Implementation of Media Gateway Control Protocol. More...
#include "asterisk.h"
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <fcntl.h>
#include <netdb.h>
#include <sys/signal.h>
#include <signal.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <arpa/inet.h>
#include <ctype.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp_engine.h"
#include "asterisk/acl.h"
#include "asterisk/callerid.h"
#include "asterisk/cli.h"
#include "asterisk/say.h"
#include "asterisk/cdr.h"
#include "asterisk/astdb.h"
#include "asterisk/features.h"
#include "asterisk/app.h"
#include "asterisk/musiconhold.h"
#include "asterisk/utils.h"
#include "asterisk/netsock.h"
#include "asterisk/causes.h"
#include "asterisk/dsp.h"
#include "asterisk/devicestate.h"
#include "asterisk/stringfields.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/event.h"
#include "asterisk/chanvars.h"
#include "asterisk/pktccops.h"
Go to the source code of this file.
Data Structures | |
struct | mgcp_endpoint |
struct | mgcp_gateway |
struct | mgcp_message |
mgcp_message: MGCP message for queuing up More... | |
struct | mgcp_request |
struct | mgcp_response |
struct | mgcp_subchannel |
Defines | |
#define | DEFAULT_EXPIRY 120 |
#define | DEFAULT_MGCP_CA_PORT 2727 |
#define | DEFAULT_MGCP_GW_PORT 2427 |
#define | DEFAULT_RETRANS 1000 |
#define | DIRECTMEDIA 1 |
#define | INADDR_NONE (in_addr_t)(-1) |
#define | MAX_EXPIRY 3600 |
#define | MAX_RETRANS 5 |
#define | MAX_SUBS 2 |
#define | MGCP_CX_CONF 3 |
#define | MGCP_CX_CONFERENCE 3 |
#define | MGCP_CX_INACTIVE 4 |
#define | MGCP_CX_MUTE 4 |
#define | MGCP_CX_RECVONLY 1 |
#define | MGCP_CX_SENDONLY 0 |
#define | MGCP_CX_SENDRECV 2 |
#define | MGCP_DTMF_HYBRID (1 << 2) |
#define | MGCP_DTMF_INBAND (1 << 1) |
#define | MGCP_DTMF_RFC2833 (1 << 0) |
#define | MGCP_MAX_HEADERS 64 |
#define | MGCP_MAX_LINES 64 |
#define | MGCP_MAX_PACKET 1500 |
#define | MGCP_OFFHOOK 2 |
#define | MGCP_ONHOOK 1 |
#define | MGCP_SUBCHANNEL_MAGIC "!978!" |
#define | MGCPDUMPER |
#define | RESPONSE_TIMEOUT 30 |
#define | SUB_ALT 1 |
#define | SUB_REAL 0 |
#define | TYPE_LINE 2 |
#define | TYPE_TRUNK 1 |
Enumerations | |
enum | { MGCP_CMD_EPCF, MGCP_CMD_CRCX, MGCP_CMD_MDCX, MGCP_CMD_DLCX, MGCP_CMD_RQNT, MGCP_CMD_NTFY, MGCP_CMD_AUEP, MGCP_CMD_AUCX, MGCP_CMD_RSIP } |
Functions | |
static char * | __get_header (struct mgcp_request *req, char *name, int *start, char *def) |
static int | __mgcp_xmit (struct mgcp_gateway *gw, char *data, int len) |
static int | acf_channel_read (struct ast_channel *chan, const char *funcname, char *preparse, char *buf, size_t buflen) |
static int | add_header (struct mgcp_request *req, const char *var, const char *value) |
static void | add_header_offhook (struct mgcp_subchannel *sub, struct mgcp_request *resp, char *tone) |
static int | add_line (struct mgcp_request *req, char *line) |
static int | add_sdp (struct mgcp_request *resp, struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp) |
static struct ast_variable * | add_var (const char *buf, struct ast_variable *list) |
AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_LOAD_ORDER,"Media Gateway Control Protocol (MGCP)",.load=load_module,.unload=unload_module,.reload=reload,.load_pri=AST_MODPRI_CHANNEL_DRIVER,.nonoptreq="res_pktccops",) | |
AST_MUTEX_DEFINE_STATIC (gatelock) | |
gatelock: mutex for gateway/endpoint lists | |
AST_MUTEX_DEFINE_STATIC (mgcp_reload_lock) | |
AST_MUTEX_DEFINE_STATIC (monlock) | |
AST_MUTEX_DEFINE_STATIC (netlock) | |
AST_MUTEX_DEFINE_STATIC (oseq_lock) | |
static int | attempt_transfer (struct mgcp_endpoint *p) |
static struct mgcp_gateway * | build_gateway (char *cat, struct ast_variable *v) |
build_gateway: parse mgcp.conf and create gateway/endpoint structures | |
static char * | control2str (int ind) |
static struct ast_variable * | copy_vars (struct ast_variable *src) |
duplicate a list of channel variables, | |
static void | destroy_endpoint (struct mgcp_endpoint *e) |
static void | destroy_gateway (struct mgcp_gateway *g) |
static void * | do_monitor (void *data) |
static void | dump_cmd_queues (struct mgcp_endpoint *p, struct mgcp_subchannel *sub) |
dump_cmd_queues: (SC:) cleanup pending commands | |
static void | dump_queue (struct mgcp_gateway *gw, struct mgcp_endpoint *p) |
static int | find_and_retrans (struct mgcp_subchannel *sub, struct mgcp_request *req) |
static struct mgcp_request * | find_command (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, struct mgcp_request **queue, ast_mutex_t *l, int ident) |
find_command: (SC:) remove command transaction from queue | |
static struct mgcp_gateway * | find_realtime_gw (char *name, char *at, struct sockaddr_in *sin) |
static struct mgcp_subchannel * | find_subchannel_and_lock (char *name, int msgid, struct sockaddr_in *sin) |
static char * | get_csv (char *c, int *len, char **next) |
get_csv: (SC:) get comma separated value | |
static char * | get_header (struct mgcp_request *req, char *name) |
static char * | get_sdp (struct mgcp_request *req, char *name) |
static char * | get_sdp_by_line (char *line, char *name, int nameLen) |
static char * | get_sdp_iterate (int *iterator, struct mgcp_request *req, char *name) |
static void | handle_hd_hf (struct mgcp_subchannel *sub, char *ev) |
static char * | handle_mgcp_audit_endpoint (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_mgcp_set_debug (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_mgcp_show_endpoints (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static int | handle_request (struct mgcp_subchannel *sub, struct mgcp_request *req, struct sockaddr_in *sin) |
static void | handle_response (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, int result, unsigned int ident, struct mgcp_request *resp) |
static int | has_voicemail (struct mgcp_endpoint *p) |
static int | init_req (struct mgcp_endpoint *p, struct mgcp_request *req, char *verb, unsigned int oseq) |
static int | init_resp (struct mgcp_request *req, char *resp, struct mgcp_request *orig, char *resprest) |
static int | load_module (void) |
load_module: PBX load module - initialization --- | |
static int | mgcp_alloc_pktcgate (struct mgcp_subchannel *sub) |
static int | mgcp_answer (struct ast_channel *ast) |
static int | mgcp_call (struct ast_channel *ast, char *dest, int timeout) |
static int | mgcp_devicestate (void *data) |
mgcp_devicestate: channel callback for device status monitoring | |
static int | mgcp_fixup (struct ast_channel *oldchan, struct ast_channel *newchan) |
static format_t | mgcp_get_codec (struct ast_channel *chan) |
static enum ast_rtp_glue_result | mgcp_get_rtp_peer (struct ast_channel *chan, struct ast_rtp_instance **instance) |
static int | mgcp_hangup (struct ast_channel *ast) |
static int | mgcp_indicate (struct ast_channel *ast, int ind, const void *data, size_t datalen) |
static struct ast_channel * | mgcp_new (struct mgcp_subchannel *sub, int state, const char *linkedid) |
static int | mgcp_pktcgate_open (struct cops_gate *gate) |
static int | mgcp_pktcgate_remove (struct cops_gate *gate) |
static int | mgcp_postrequest (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, char *data, int len, unsigned int seqno) |
static int | mgcp_prune_realtime_gateway (struct mgcp_gateway *g) |
static void | mgcp_queue_control (struct mgcp_subchannel *sub, int control) |
static void | mgcp_queue_frame (struct mgcp_subchannel *sub, struct ast_frame *f) |
static void | mgcp_queue_hangup (struct mgcp_subchannel *sub) |
static struct ast_frame * | mgcp_read (struct ast_channel *ast) |
static char * | mgcp_reload (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static struct ast_channel * | mgcp_request (const char *type, format_t format, const struct ast_channel *requestor, void *data, int *cause) |
static struct ast_frame * | mgcp_rtp_read (struct mgcp_subchannel *sub) |
static int | mgcp_senddigit_begin (struct ast_channel *ast, char digit) |
static int | mgcp_senddigit_end (struct ast_channel *ast, char digit, unsigned int duration) |
static int | mgcp_set_rtp_peer (struct ast_channel *chan, struct ast_rtp_instance *rtp, struct ast_rtp_instance *vrtp, struct ast_rtp_instance *trtp, format_t codecs, int nat_active) |
static void * | mgcp_ss (void *data) |
static int | mgcp_write (struct ast_channel *ast, struct ast_frame *frame) |
static int | mgcpsock_read (int *id, int fd, short events, void *ignore) |
static void | mwi_event_cb (const struct ast_event *event, void *userdata) |
static void | parse (struct mgcp_request *req) |
static int | process_sdp (struct mgcp_subchannel *sub, struct mgcp_request *req) |
static void | prune_gateways (void) |
static int | reload (void) |
static int | reload_config (int reload) |
static int | reqprep (struct mgcp_request *req, struct mgcp_endpoint *p, char *verb) |
static int | resend_response (struct mgcp_subchannel *sub, struct mgcp_response *resp) |
static int | respprep (struct mgcp_request *resp, struct mgcp_endpoint *p, char *msg, struct mgcp_request *req, char *msgrest) |
static int | restart_monitor (void) |
static int | retrans_pkt (const void *data) |
static void | sdpLineNum_iterator_init (int *iterator) |
static int | send_request (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, struct mgcp_request *req, unsigned int seqno) |
static int | send_response (struct mgcp_subchannel *sub, struct mgcp_request *req) |
static void | start_rtp (struct mgcp_subchannel *sub) |
static int | transmit_audit_endpoint (struct mgcp_endpoint *p) |
static int | transmit_connect (struct mgcp_subchannel *sub) |
static int | transmit_connect_with_sdp (struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp) |
static int | transmit_connection_del (struct mgcp_subchannel *sub) |
static int | transmit_connection_del_w_params (struct mgcp_endpoint *p, char *callid, char *cxident) |
static int | transmit_modify_request (struct mgcp_subchannel *sub) |
static int | transmit_modify_with_sdp (struct mgcp_subchannel *sub, struct ast_rtp_instance *rtp, format_t codecs) |
static int | transmit_notify_request (struct mgcp_subchannel *sub, char *tone) |
static int | transmit_notify_request_with_callerid (struct mgcp_subchannel *sub, char *tone, char *callernum, char *callername) |
static int | transmit_response (struct mgcp_subchannel *sub, char *msg, struct mgcp_request *req, char *msgrest) |
static int | unalloc_sub (struct mgcp_subchannel *sub) |
static int | unload_module (void) |
Variables | |
static struct in_addr | __ourip |
static char | accountcode [AST_MAX_ACCOUNT_CODE] = "" |
static int | adsi = 0 |
static int | amaflags = 0 |
static struct sockaddr_in | bindaddr |
static int | callreturn = 0 |
static int | callwaiting = 0 |
static int | cancallforward = 0 |
static format_t | capability = AST_FORMAT_ULAW |
static char | cid_name [AST_MAX_EXTENSION] = "" |
static char | cid_num [AST_MAX_EXTENSION] = "" |
static struct ast_cli_entry | cli_mgcp [] |
static const char | config [] = "mgcp.conf" |
static char | context [AST_MAX_EXTENSION] = "default" |
static ast_group_t | cur_callergroup = 0 |
static ast_group_t | cur_pickupgroup = 0 |
static struct ast_jb_conf | default_jbconf |
static int | directmedia = DIRECTMEDIA |
static int | dtmfmode = 0 |
static int | firstdigittimeout = 16000 |
static struct mgcp_gateway * | gateways |
static int | gendigittimeout = 8000 |
static struct ast_jb_conf | global_jbconf |
static int | hangupongateremove = 0 |
static int | immediate = 0 |
static struct io_context * | io |
static char | language [MAX_LANGUAGE] = "" |
static char | mailbox [AST_MAX_EXTENSION] |
static int | matchdigittimeout = 3000 |
static const char *const | mgcp_cxmodes [] |
static int | mgcp_reloading = 0 |
static struct ast_rtp_glue | mgcp_rtp_glue |
static struct ast_channel_tech | mgcp_tech |
static int | mgcpdebug = 0 |
static int | mgcpsock = -1 |
static int * | mgcpsock_read_id = NULL |
static pthread_t | monitor_thread = AST_PTHREADT_NULL |
static char | musicclass [MAX_MUSICCLASS] = "" |
static int | nat = 0 |
static int | ncs = 0 |
static int | nonCodecCapability = AST_RTP_DTMF |
static unsigned int | oseq_global = 0 |
static char | ourhost [MAXHOSTNAMELEN] |
static int | ourport |
static char | parkinglot [AST_MAX_CONTEXT] |
static int | pktcgatealloc = 0 |
struct { | |
unsigned int cos | |
unsigned int cos_audio | |
unsigned int tos | |
unsigned int tos_audio | |
} | qos |
static struct sched_context * | sched |
static int | singlepath = 0 |
static int | slowsequence = 0 |
static const char | tdesc [] = "Media Gateway Control Protocol (MGCP)" |
static int | threewaycalling = 0 |
static int | transfer = 0 |
Implementation of Media Gateway Control Protocol.
Definition in file chan_mgcp.c.
#define DEFAULT_EXPIRY 120 |
Definition at line 89 of file chan_mgcp.c.
#define DEFAULT_MGCP_CA_PORT 2727 |
#define DEFAULT_MGCP_GW_PORT 2427 |
#define DEFAULT_RETRANS 1000 |
How frequently to retransmit
Definition at line 119 of file chan_mgcp.c.
Referenced by __sip_reliable_xmit(), mgcp_postrequest(), and retrans_pkt().
#define DIRECTMEDIA 1 |
Definition at line 91 of file chan_mgcp.c.
Referenced by build_gateway().
#define INADDR_NONE (in_addr_t)(-1) |
Definition at line 94 of file chan_mgcp.c.
Referenced by build_gateway().
#define MAX_EXPIRY 3600 |
Definition at line 90 of file chan_mgcp.c.
#define MAX_RETRANS 5 |
Try only 5 times for retransmissions
Definition at line 120 of file chan_mgcp.c.
Referenced by retrans_pkt().
#define MAX_SUBS 2 |
Definition at line 284 of file chan_mgcp.c.
Referenced by build_gateway(), destroy_endpoint(), mgcp_prune_realtime_gateway(), reload_config(), and unistim_info().
#define MGCP_CX_CONF 3 |
Definition at line 126 of file chan_mgcp.c.
Referenced by handle_request().
#define MGCP_CX_CONFERENCE 3 |
Definition at line 127 of file chan_mgcp.c.
#define MGCP_CX_INACTIVE 4 |
Definition at line 129 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), and unalloc_sub().
#define MGCP_CX_MUTE 4 |
Definition at line 128 of file chan_mgcp.c.
Referenced by handle_request().
#define MGCP_CX_RECVONLY 1 |
Definition at line 124 of file chan_mgcp.c.
Referenced by handle_request(), mgcp_call(), and mgcp_hangup().
#define MGCP_CX_SENDONLY 0 |
MGCP rtp stream modes {
Definition at line 123 of file chan_mgcp.c.
#define MGCP_CX_SENDRECV 2 |
Definition at line 125 of file chan_mgcp.c.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), and mgcp_call().
#define MGCP_DTMF_HYBRID (1 << 2) |
Definition at line 114 of file chan_mgcp.c.
Referenced by add_header_offhook(), build_gateway(), mgcp_hangup(), mgcp_new(), mgcp_senddigit_begin(), mgcp_senddigit_end(), and mgcp_ss().
#define MGCP_DTMF_INBAND (1 << 1) |
Definition at line 113 of file chan_mgcp.c.
Referenced by add_header_offhook(), build_gateway(), mgcp_hangup(), mgcp_new(), mgcp_rtp_read(), mgcp_senddigit_begin(), mgcp_senddigit_end(), and mgcp_ss().
#define MGCP_DTMF_RFC2833 (1 << 0) |
Definition at line 112 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_rtp_read(), mgcp_senddigit_begin(), and mgcp_senddigit_end().
#define MGCP_MAX_HEADERS 64 |
The private structures of the mgcp channels are linked for selecting outgoing channels
Definition at line 243 of file chan_mgcp.c.
Referenced by add_header(), init_req(), init_resp(), and parse().
#define MGCP_MAX_LINES 64 |
Definition at line 244 of file chan_mgcp.c.
Referenced by add_line(), and parse().
#define MGCP_MAX_PACKET 1500 |
Also from RFC 2543, should sub headers tho
Definition at line 118 of file chan_mgcp.c.
#define MGCP_OFFHOOK 2 |
Definition at line 320 of file chan_mgcp.c.
Referenced by handle_hd_hf(), handle_request(), handle_response(), mgcp_call(), mgcp_hangup(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
#define MGCP_ONHOOK 1 |
Definition at line 319 of file chan_mgcp.c.
Referenced by build_gateway(), do_monitor(), handle_request(), handle_response(), mgcp_call(), mgcp_hangup(), mgcp_request(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
#define MGCP_SUBCHANNEL_MAGIC "!978!" |
subchannel magic string. Needed to prove that any subchannel pointer passed by asterisk really points to a valid subchannel memory area. Ugly.. But serves the purpose for the time being.
Definition at line 295 of file chan_mgcp.c.
Referenced by build_gateway(), and mgcp_hangup().
#define MGCPDUMPER |
Definition at line 88 of file chan_mgcp.c.
#define RESPONSE_TIMEOUT 30 |
#define SUB_ALT 1 |
Definition at line 287 of file chan_mgcp.c.
#define SUB_REAL 0 |
Definition at line 286 of file chan_mgcp.c.
#define TYPE_LINE 2 |
Definition at line 323 of file chan_mgcp.c.
Referenced by build_gateway(), config_line(), config_parse_variables(), do_monitor(), and mgcp_call().
#define TYPE_TRUNK 1 |
Definition at line 322 of file chan_mgcp.c.
Referenced by build_gateway().
anonymous enum |
MGCP_CMD_EPCF | |
MGCP_CMD_CRCX | |
MGCP_CMD_MDCX | |
MGCP_CMD_DLCX | |
MGCP_CMD_RQNT | |
MGCP_CMD_NTFY | |
MGCP_CMD_AUEP | |
MGCP_CMD_AUCX | |
MGCP_CMD_RSIP |
Definition at line 140 of file chan_mgcp.c.
00140 { 00141 MGCP_CMD_EPCF, 00142 MGCP_CMD_CRCX, 00143 MGCP_CMD_MDCX, 00144 MGCP_CMD_DLCX, 00145 MGCP_CMD_RQNT, 00146 MGCP_CMD_NTFY, 00147 MGCP_CMD_AUEP, 00148 MGCP_CMD_AUCX, 00149 MGCP_CMD_RSIP 00150 };
static char* __get_header | ( | struct mgcp_request * | req, | |
char * | name, | |||
int * | start, | |||
char * | def | |||
) | [static] |
Definition at line 1616 of file chan_mgcp.c.
References mgcp_request::header, mgcp_request::headers, and len().
Referenced by get_header().
01617 { 01618 int x; 01619 int len = strlen(name); 01620 char *r; 01621 for (x = *start; x < req->headers; x++) { 01622 if (!strncasecmp(req->header[x], name, len) && 01623 (req->header[x][len] == ':')) { 01624 r = req->header[x] + len + 1; 01625 while (*r && (*r < 33)) { 01626 r++; 01627 } 01628 *start = x + 1; 01629 return r; 01630 } 01631 } 01632 /* Don't return NULL, so get_header is always a valid pointer */ 01633 return def; 01634 }
static int __mgcp_xmit | ( | struct mgcp_gateway * | gw, | |
char * | data, | |||
int | len | |||
) | [static] |
Definition at line 545 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_log(), mgcp_gateway::defaddr, errno, and LOG_WARNING.
Referenced by mgcp_postrequest(), resend_response(), retrans_pkt(), and send_response().
00546 { 00547 int res; 00548 if (gw->addr.sin_addr.s_addr) 00549 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in)); 00550 else 00551 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in)); 00552 if (res != len) { 00553 ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno)); 00554 } 00555 return res; 00556 }
static int acf_channel_read | ( | struct ast_channel * | chan, | |
const char * | funcname, | |||
char * | preparse, | |||
char * | buf, | |||
size_t | buflen | |||
) | [static] |
Definition at line 4457 of file chan_mgcp.c.
References ast_log(), LOG_ERROR, mgcp_endpoint::ncs, mgcp_subchannel::parent, ast_channel::tech, and ast_channel::tech_pvt.
04458 { 04459 struct mgcp_subchannel *sub = chan->tech_pvt; 04460 int res = 0; 04461 04462 /* Sanity check */ 04463 if (!chan || chan->tech != &mgcp_tech) { 04464 ast_log(LOG_ERROR, "This function requires a valid MGCP channel\n"); 04465 return -1; 04466 } 04467 04468 if (!strcasecmp(args, "ncs")) { 04469 snprintf(buf, buflen, "%s", sub->parent->ncs ? "yes":"no"); 04470 } else { 04471 res = -1; 04472 } 04473 return res; 04474 }
static int add_header | ( | struct mgcp_request * | req, | |
const char * | var, | |||
const char * | value | |||
) | [static] |
Definition at line 2045 of file chan_mgcp.c.
References ast_log(), mgcp_request::data, mgcp_request::header, mgcp_request::headers, mgcp_request::len, mgcp_request::lines, LOG_WARNING, and MGCP_MAX_HEADERS.
Referenced by add_header_offhook(), transmit_audit_endpoint(), transmit_connect(), transmit_connect_with_sdp(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_modify_request(), transmit_modify_with_sdp(), transmit_notify_request(), and transmit_notify_request_with_callerid().
02046 { 02047 if (req->len >= sizeof(req->data) - 4) { 02048 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 02049 return -1; 02050 } 02051 if (req->lines) { 02052 ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n"); 02053 return -1; 02054 } 02055 req->header[req->headers] = req->data + req->len; 02056 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value); 02057 req->len += strlen(req->header[req->headers]); 02058 if (req->headers < MGCP_MAX_HEADERS) { 02059 req->headers++; 02060 } else { 02061 ast_log(LOG_WARNING, "Out of header space\n"); 02062 return -1; 02063 } 02064 return 0; 02065 }
static void add_header_offhook | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | resp, | |||
char * | tone | |||
) | [static] |
Definition at line 2609 of file chan_mgcp.c.
References ast_channel::_state, add_header(), ast_debug, AST_STATE_RINGING, mgcp_endpoint::dtmfmode, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_endpoint::ncs, mgcp_subchannel::owner, mgcp_subchannel::parent, and mgcp_endpoint::sub.
Referenced by transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
02610 { 02611 struct mgcp_endpoint *p = sub->parent; 02612 char tone_indicate_end = 0; 02613 02614 /* We also should check the tone to indicate, because it have no sense 02615 to request notify D/[0-9#*] (dtmf keys) if we are sending congestion 02616 tone for example G/cg */ 02617 if (p && (!strcasecmp(tone, (p->ncs ? "L/ro" : "G/cg")))) { 02618 tone_indicate_end = 1; 02619 } 02620 02621 if (p && p->sub && p->sub->owner && 02622 p->sub->owner->_state >= AST_STATE_RINGING && 02623 (p->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID))) { 02624 add_header(resp, "R", "L/hu(N),L/hf(N)"); 02625 02626 } else if (!tone_indicate_end){ 02627 add_header(resp, "R", (p->ncs ? "L/hu(N),L/hf(N),L/[0-9#*](N)" : "L/hu(N),L/hf(N),D/[0-9#*](N)")); 02628 } else { 02629 ast_debug(1, "We don't want more digits if we will end the call\n"); 02630 add_header(resp, "R", "L/hu(N),L/hf(N)"); 02631 } 02632 }
static int add_line | ( | struct mgcp_request * | req, | |
char * | line | |||
) | [static] |
Definition at line 2067 of file chan_mgcp.c.
References ast_copy_string(), ast_log(), mgcp_request::data, mgcp_request::len, mgcp_request::line, mgcp_request::lines, LOG_WARNING, and MGCP_MAX_LINES.
Referenced by add_sdp().
02068 { 02069 if (req->len >= sizeof(req->data) - 4) { 02070 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 02071 return -1; 02072 } 02073 if (!req->lines) { 02074 /* Add extra empty return */ 02075 ast_copy_string(req->data + req->len, "\r\n", sizeof(req->data) - req->len); 02076 req->len += strlen(req->data + req->len); 02077 } 02078 req->line[req->lines] = req->data + req->len; 02079 snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line); 02080 req->len += strlen(req->line[req->lines]); 02081 if (req->lines < MGCP_MAX_LINES) { 02082 req->lines++; 02083 } else { 02084 ast_log(LOG_WARNING, "Out of line space\n"); 02085 return -1; 02086 } 02087 return 0; 02088 }
static int add_sdp | ( | struct mgcp_request * | resp, | |
struct mgcp_subchannel * | sub, | |||
struct ast_rtp_instance * | rtp | |||
) | [static] |
Definition at line 2181 of file chan_mgcp.c.
References add_line(), ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_getformatname(), ast_inet_ntoa(), ast_log(), ast_rtp_codecs_payload_code(), AST_RTP_DTMF, ast_rtp_instance_get_codecs(), ast_rtp_instance_get_local_address(), ast_rtp_instance_get_remote_address(), ast_rtp_lookup_mime_subtype2(), AST_RTP_MAX, ast_sockaddr_to_sin, mgcp_endpoint::capability, len(), LOG_WARNING, mgcp_endpoint::nonCodecCapability, mgcp_gateway::ourip, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, and mgcp_subchannel::tmpdest.
Referenced by transmit_connect_with_sdp(), transmit_modify_request(), and transmit_modify_with_sdp().
02182 { 02183 int len; 02184 int codec; 02185 char costr[80]; 02186 struct sockaddr_in sin; 02187 struct ast_sockaddr sin_tmp; 02188 char v[256]; 02189 char s[256]; 02190 char o[256]; 02191 char c[256]; 02192 char t[256]; 02193 char m[256] = ""; 02194 char a[1024] = ""; 02195 format_t x; 02196 struct sockaddr_in dest = { 0, }; 02197 struct ast_sockaddr dest_tmp; 02198 struct mgcp_endpoint *p = sub->parent; 02199 /* XXX We break with the "recommendation" and send our IP, in order that our 02200 peer doesn't have to ast_gethostbyname() us XXX */ 02201 len = 0; 02202 if (!sub->rtp) { 02203 ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n"); 02204 return -1; 02205 } 02206 ast_rtp_instance_get_local_address(sub->rtp, &sin_tmp); 02207 ast_sockaddr_to_sin(&sin_tmp, &sin); 02208 if (rtp) { 02209 ast_rtp_instance_get_remote_address(sub->rtp, &dest_tmp); 02210 ast_sockaddr_to_sin(&dest_tmp, &dest); 02211 } else { 02212 if (sub->tmpdest.sin_addr.s_addr) { 02213 dest.sin_addr = sub->tmpdest.sin_addr; 02214 dest.sin_port = sub->tmpdest.sin_port; 02215 /* Reset temporary destination */ 02216 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 02217 } else { 02218 dest.sin_addr = p->parent->ourip; 02219 dest.sin_port = sin.sin_port; 02220 } 02221 } 02222 ast_debug(1, "We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port)); 02223 ast_copy_string(v, "v=0\r\n", sizeof(v)); 02224 snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr)); 02225 ast_copy_string(s, "s=session\r\n", sizeof(s)); 02226 snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr)); 02227 ast_copy_string(t, "t=0 0\r\n", sizeof(t)); 02228 snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); 02229 for (x = 1LL; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02230 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02231 /* Audio is now discontiguous */ 02232 continue; 02233 } 02234 if (p->capability & x) { 02235 ast_debug(1, "Answering with capability %s\n", ast_getformatname(x)); 02236 codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 1, x); 02237 if (codec > -1) { 02238 snprintf(costr, sizeof(costr), " %d", codec); 02239 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02240 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(1, x, 0)); 02241 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02242 } 02243 } 02244 } 02245 for (x = 1LL; x <= AST_RTP_MAX; x <<= 1) { 02246 if (p->nonCodecCapability & x) { 02247 ast_debug(1, "Answering with non-codec capability %d\n", (int) x); 02248 codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 0, x); 02249 if (codec > -1) { 02250 snprintf(costr, sizeof(costr), " %d", codec); 02251 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02252 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(0, x, 0)); 02253 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02254 if (x == AST_RTP_DTMF) { 02255 /* Indicate we support DTMF... Not sure about 16, 02256 but MSN supports it so dang it, we will too... */ 02257 snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec); 02258 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02259 } 02260 } 02261 } 02262 } 02263 strncat(m, "\r\n", sizeof(m) - strlen(m) - 1); 02264 len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); 02265 snprintf(costr, sizeof(costr), "%d", len); 02266 add_line(resp, v); 02267 add_line(resp, o); 02268 add_line(resp, s); 02269 add_line(resp, c); 02270 add_line(resp, t); 02271 add_line(resp, m); 02272 add_line(resp, a); 02273 return 0; 02274 }
static struct ast_variable * add_var | ( | const char * | buf, | |
struct ast_variable * | list | |||
) | [static, read] |
Definition at line 4587 of file chan_mgcp.c.
References ast_strdupa, ast_variable_new(), and ast_variable::next.
Referenced by build_gateway().
04588 { 04589 struct ast_variable *tmpvar = NULL; 04590 char *varname = ast_strdupa(buf), *varval = NULL; 04591 04592 if ((varval = strchr(varname, '='))) { 04593 *varval++ = '\0'; 04594 if ((tmpvar = ast_variable_new(varname, varval, ""))) { 04595 tmpvar->next = list; 04596 list = tmpvar; 04597 } 04598 } 04599 return list; 04600 }
AST_MODULE_INFO | ( | ASTERISK_GPL_KEY | , | |
AST_MODFLAG_LOAD_ORDER | , | |||
"Media Gateway Control Protocol (MGCP)" | , | |||
. | load = load_module , |
|||
. | unload = unload_module , |
|||
. | reload = reload , |
|||
. | load_pri = AST_MODPRI_CHANNEL_DRIVER , |
|||
. | nonoptreq = "res_pktccops" | |||
) |
AST_MUTEX_DEFINE_STATIC | ( | gatelock | ) |
gatelock: mutex for gateway/endpoint lists
AST_MUTEX_DEFINE_STATIC | ( | mgcp_reload_lock | ) |
AST_MUTEX_DEFINE_STATIC | ( | monlock | ) |
AST_MUTEX_DEFINE_STATIC | ( | netlock | ) |
Protect the monitoring thread, so only one process can kill or start it, and not when it's doing something critical.
AST_MUTEX_DEFINE_STATIC | ( | oseq_lock | ) |
static int attempt_transfer | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 3214 of file chan_mgcp.c.
References ast_channel::_softhangup, ast_channel::_state, mgcp_subchannel::alreadygone, ast_bridged_channel(), ast_channel_masquerade(), AST_CONTROL_RINGING, AST_CONTROL_UNHOLD, ast_debug, ast_indicate(), ast_log(), ast_queue_control(), AST_SOFTHANGUP_DEV, AST_STATE_RINGING, ast_verb, mgcp_subchannel::id, LOG_WARNING, mgcp_queue_hangup(), mgcp_gateway::name, mgcp_endpoint::name, mgcp_subchannel::next, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_endpoint::sub, and unalloc_sub().
Referenced by handle_request().
03215 { 03216 /* ************************* 03217 * I hope this works. 03218 * Copied out of chan_zap 03219 * Cross your fingers 03220 * *************************/ 03221 03222 /* In order to transfer, we need at least one of the channels to 03223 actually be in a call bridge. We can't conference two applications 03224 together (but then, why would we want to?) */ 03225 if (ast_bridged_channel(p->sub->owner)) { 03226 /* The three-way person we're about to transfer to could still be in MOH, so 03227 stop if now if appropriate */ 03228 if (ast_bridged_channel(p->sub->next->owner)) 03229 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 03230 if (p->sub->owner->_state == AST_STATE_RINGING) { 03231 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 03232 } 03233 if (ast_channel_masquerade(p->sub->next->owner, ast_bridged_channel(p->sub->owner))) { 03234 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 03235 ast_bridged_channel(p->sub->owner)->name, p->sub->next->owner->name); 03236 return -1; 03237 } 03238 /* Orphan the channel */ 03239 unalloc_sub(p->sub->next); 03240 } else if (ast_bridged_channel(p->sub->next->owner)) { 03241 if (p->sub->owner->_state == AST_STATE_RINGING) { 03242 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 03243 } 03244 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 03245 if (ast_channel_masquerade(p->sub->owner, ast_bridged_channel(p->sub->next->owner))) { 03246 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 03247 ast_bridged_channel(p->sub->next->owner)->name, p->sub->owner->name); 03248 return -1; 03249 } 03250 /*swap_subs(p, SUB_THREEWAY, SUB_REAL);*/ 03251 ast_verb(3, "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 03252 p->sub = p->sub->next; 03253 unalloc_sub(p->sub->next); 03254 /* Tell the caller not to hangup */ 03255 return 1; 03256 } else { 03257 ast_debug(1, "Neither %s nor %s are in a bridge, nothing to transfer\n", 03258 p->sub->owner->name, p->sub->next->owner->name); 03259 p->sub->next->owner->_softhangup |= AST_SOFTHANGUP_DEV; 03260 if (p->sub->next->owner) { 03261 p->sub->next->alreadygone = 1; 03262 mgcp_queue_hangup(p->sub->next); 03263 } 03264 } 03265 return 0; 03266 }
static struct mgcp_gateway * build_gateway | ( | char * | cat, | |
struct ast_variable * | v | |||
) | [static, read] |
build_gateway: parse mgcp.conf and create gateway/endpoint structures
Definition at line 3972 of file chan_mgcp.c.
References __ourip, mgcp_endpoint::accountcode, add_var(), mgcp_gateway::addr, mgcp_endpoint::adsi, mgcp_endpoint::amaflags, ast_append_ha(), ast_callerid_split(), ast_calloc, ast_cdr_amaflags2int(), ast_copy_string(), AST_EVENT_IE_CONTEXT, AST_EVENT_IE_END, AST_EVENT_IE_MAILBOX, AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS, AST_EVENT_IE_PLTYPE_STR, AST_EVENT_MWI, ast_event_subscribe(), ast_free, ast_get_group(), ast_get_ip(), ast_log(), ast_mutex_destroy, ast_mutex_init, ast_ouraddrfor(), ast_random(), AST_SCHED_DEL, ast_sockaddr_from_sin, ast_sockaddr_to_sin, ast_strdupa, ast_strlen_zero(), ast_true(), ast_variables_destroy(), ast_verb, mgcp_endpoint::callgroup, mgcp_endpoint::callreturn, mgcp_endpoint::callwaiting, mgcp_endpoint::cancallforward, mgcp_endpoint::capability, mgcp_endpoint::chanvars, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, mgcp_endpoint::cmd_queue_lock, mgcp_endpoint::context, copy_vars(), mgcp_subchannel::cx_queue_lock, mgcp_subchannel::cxmode, mgcp_gateway::defaddr, DEFAULT_MGCP_GW_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_endpoint::directmedia, DIRECTMEDIA, mgcp_endpoint::dtmfmode, mgcp_gateway::dynamic, mgcp_gateway::endpoints, mgcp_gateway::expire, mgcp_subchannel::gate, gateways, mgcp_gateway::ha, mgcp_endpoint::hangupongateremove, mgcp_endpoint::hascallwaiting, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_endpoint::immediate, INADDR_NONE, mgcp_gateway::isnamedottedip, mgcp_endpoint::language, ast_variable::lineno, mgcp_subchannel::lock, mgcp_endpoint::lock, LOG_WARNING, mgcp_subchannel::magic, mgcp_endpoint::mailbox, MAX_SUBS, mbox(), MGCP_CX_INACTIVE, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, MGCP_ONHOOK, MGCP_SUBCHANNEL_MAGIC, mgcp_gateway::msgs_lock, mgcp_endpoint::msgstate, mgcp_endpoint::musicclass, mwi_event_cb(), mgcp_endpoint::mwi_event_sub, mgcp_endpoint::name, ast_variable::name, mgcp_gateway::name, mgcp_subchannel::nat, mgcp_endpoint::ncs, mgcp_endpoint::needaudit, mgcp_subchannel::next, mgcp_endpoint::next, ast_variable::next, mgcp_gateway::next, mgcp_endpoint::onhooktime, mgcp_gateway::ourip, mgcp_subchannel::parent, mgcp_endpoint::parent, mgcp_endpoint::parkinglot, mgcp_endpoint::pickupgroup, mgcp_endpoint::pktcgatealloc, mgcp_gateway::realtime, mgcp_gateway::retransid, mgcp_endpoint::rqnt_ident, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, mgcp_subchannel::sdpsent, mgcp_endpoint::singlepath, mgcp_endpoint::slowsequence, mgcp_endpoint::sub, mgcp_endpoint::threewaycalling, mgcp_endpoint::transfer, mgcp_subchannel::txident, mgcp_endpoint::type, TYPE_LINE, TYPE_TRUNK, ast_variable::value, and mgcp_gateway::wcardep.
Referenced by find_realtime_gw(), and reload_config().
03973 { 03974 struct mgcp_gateway *gw; 03975 struct mgcp_endpoint *e; 03976 struct mgcp_subchannel *sub; 03977 struct ast_variable *chanvars = NULL; 03978 03979 /*char txident[80];*/ 03980 int i=0, y=0; 03981 int gw_reload = 0; 03982 int ep_reload = 0; 03983 directmedia = DIRECTMEDIA; 03984 03985 /* locate existing gateway */ 03986 for (gw = gateways; gw; gw = gw->next) { 03987 if (!strcasecmp(cat, gw->name)) { 03988 /* gateway already exists */ 03989 gw->delme = 0; 03990 gw_reload = 1; 03991 break; 03992 } 03993 } 03994 03995 if (!gw && !(gw = ast_calloc(1, sizeof(*gw)))) { 03996 return NULL; 03997 } 03998 03999 if (!gw_reload) { 04000 gw->expire = -1; 04001 gw->realtime = 0; 04002 gw->retransid = -1; 04003 ast_mutex_init(&gw->msgs_lock); 04004 ast_copy_string(gw->name, cat, sizeof(gw->name)); 04005 /* check if the name is numeric ip */ 04006 if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE) 04007 gw->isnamedottedip = 1; 04008 } 04009 for (; v; v = v->next) { 04010 if (!strcasecmp(v->name, "host")) { 04011 if (!strcasecmp(v->value, "dynamic")) { 04012 /* They'll register with us */ 04013 gw->dynamic = 1; 04014 memset(&gw->addr.sin_addr, 0, 4); 04015 if (gw->addr.sin_port) { 04016 /* If we've already got a port, make it the default rather than absolute */ 04017 gw->defaddr.sin_port = gw->addr.sin_port; 04018 gw->addr.sin_port = 0; 04019 } 04020 } else { 04021 /* Non-dynamic. Make sure we become that way if we're not */ 04022 AST_SCHED_DEL(sched, gw->expire); 04023 gw->dynamic = 0; 04024 { 04025 struct ast_sockaddr tmp; 04026 04027 ast_sockaddr_from_sin(&tmp, &gw->addr); 04028 if (ast_get_ip(&tmp, v->value)) { 04029 if (!gw_reload) { 04030 ast_mutex_destroy(&gw->msgs_lock); 04031 ast_free(gw); 04032 } 04033 return NULL; 04034 } 04035 ast_sockaddr_to_sin(&tmp, &gw->addr); 04036 } 04037 } 04038 } else if (!strcasecmp(v->name, "defaultip")) { 04039 struct ast_sockaddr tmp; 04040 04041 ast_sockaddr_from_sin(&tmp, &gw->defaddr); 04042 if (ast_get_ip(&tmp, v->value)) { 04043 if (!gw_reload) { 04044 ast_mutex_destroy(&gw->msgs_lock); 04045 ast_free(gw); 04046 } 04047 return NULL; 04048 } 04049 ast_sockaddr_to_sin(&tmp, &gw->defaddr); 04050 } else if (!strcasecmp(v->name, "permit") || 04051 !strcasecmp(v->name, "deny")) { 04052 gw->ha = ast_append_ha(v->name, v->value, gw->ha, NULL); 04053 } else if (!strcasecmp(v->name, "port")) { 04054 gw->addr.sin_port = htons(atoi(v->value)); 04055 } else if (!strcasecmp(v->name, "context")) { 04056 ast_copy_string(context, v->value, sizeof(context)); 04057 } else if (!strcasecmp(v->name, "dtmfmode")) { 04058 if (!strcasecmp(v->value, "inband")) 04059 dtmfmode = MGCP_DTMF_INBAND; 04060 else if (!strcasecmp(v->value, "rfc2833")) 04061 dtmfmode = MGCP_DTMF_RFC2833; 04062 else if (!strcasecmp(v->value, "hybrid")) 04063 dtmfmode = MGCP_DTMF_HYBRID; 04064 else if (!strcasecmp(v->value, "none")) 04065 dtmfmode = 0; 04066 else 04067 ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno); 04068 } else if (!strcasecmp(v->name, "nat")) { 04069 nat = ast_true(v->value); 04070 } else if (!strcasecmp(v->name, "ncs")) { 04071 ncs = ast_true(v->value); 04072 } else if (!strcasecmp(v->name, "hangupongateremove")) { 04073 hangupongateremove = ast_true(v->value); 04074 } else if (!strcasecmp(v->name, "pktcgatealloc")) { 04075 pktcgatealloc = ast_true(v->value); 04076 } else if (!strcasecmp(v->name, "callerid")) { 04077 if (!strcasecmp(v->value, "asreceived")) { 04078 cid_num[0] = '\0'; 04079 cid_name[0] = '\0'; 04080 } else { 04081 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); 04082 } 04083 } else if (!strcasecmp(v->name, "language")) { 04084 ast_copy_string(language, v->value, sizeof(language)); 04085 } else if (!strcasecmp(v->name, "accountcode")) { 04086 ast_copy_string(accountcode, v->value, sizeof(accountcode)); 04087 } else if (!strcasecmp(v->name, "amaflags")) { 04088 y = ast_cdr_amaflags2int(v->value); 04089 if (y < 0) { 04090 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); 04091 } else { 04092 amaflags = y; 04093 } 04094 } else if (!strcasecmp(v->name, "setvar")) { 04095 chanvars = add_var(v->value, chanvars); 04096 } else if (!strcasecmp(v->name, "clearvars")) { 04097 if (chanvars) { 04098 ast_variables_destroy(chanvars); 04099 chanvars = NULL; 04100 } 04101 } else if (!strcasecmp(v->name, "musiconhold")) { 04102 ast_copy_string(musicclass, v->value, sizeof(musicclass)); 04103 } else if (!strcasecmp(v->name, "parkinglot")) { 04104 ast_copy_string(parkinglot, v->value, sizeof(parkinglot)); 04105 } else if (!strcasecmp(v->name, "callgroup")) { 04106 cur_callergroup = ast_get_group(v->value); 04107 } else if (!strcasecmp(v->name, "pickupgroup")) { 04108 cur_pickupgroup = ast_get_group(v->value); 04109 } else if (!strcasecmp(v->name, "immediate")) { 04110 immediate = ast_true(v->value); 04111 } else if (!strcasecmp(v->name, "cancallforward")) { 04112 cancallforward = ast_true(v->value); 04113 } else if (!strcasecmp(v->name, "singlepath")) { 04114 singlepath = ast_true(v->value); 04115 } else if (!strcasecmp(v->name, "directmedia") || !strcasecmp(v->name, "canreinvite")) { 04116 directmedia = ast_true(v->value); 04117 } else if (!strcasecmp(v->name, "mailbox")) { 04118 ast_copy_string(mailbox, v->value, sizeof(mailbox)); 04119 } else if (!strcasecmp(v->name, "hasvoicemail")) { 04120 if (ast_true(v->value) && ast_strlen_zero(mailbox)) { 04121 ast_copy_string(mailbox, gw->name, sizeof(mailbox)); 04122 } 04123 } else if (!strcasecmp(v->name, "adsi")) { 04124 adsi = ast_true(v->value); 04125 } else if (!strcasecmp(v->name, "callreturn")) { 04126 callreturn = ast_true(v->value); 04127 } else if (!strcasecmp(v->name, "callwaiting")) { 04128 callwaiting = ast_true(v->value); 04129 } else if (!strcasecmp(v->name, "slowsequence")) { 04130 slowsequence = ast_true(v->value); 04131 } else if (!strcasecmp(v->name, "transfer")) { 04132 transfer = ast_true(v->value); 04133 } else if (!strcasecmp(v->name, "threewaycalling")) { 04134 threewaycalling = ast_true(v->value); 04135 } else if (!strcasecmp(v->name, "wcardep")) { 04136 /* locate existing endpoint */ 04137 for (e = gw->endpoints; e; e = e->next) { 04138 if (!strcasecmp(v->value, e->name)) { 04139 /* endpoint already exists */ 04140 e->delme = 0; 04141 ep_reload = 1; 04142 break; 04143 } 04144 } 04145 04146 if (!e) { 04147 /* Allocate wildcard endpoint */ 04148 e = ast_calloc(1, sizeof(*e)); 04149 ep_reload = 0; 04150 } 04151 04152 if (e) { 04153 if (!ep_reload) { 04154 memset(e, 0, sizeof(struct mgcp_endpoint)); 04155 ast_mutex_init(&e->lock); 04156 ast_mutex_init(&e->rqnt_queue_lock); 04157 ast_mutex_init(&e->cmd_queue_lock); 04158 ast_copy_string(e->name, v->value, sizeof(e->name)); 04159 e->needaudit = 1; 04160 } 04161 ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep)); 04162 /* XXX Should we really check for uniqueness?? XXX */ 04163 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 04164 ast_copy_string(e->context, context, sizeof(e->context)); 04165 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 04166 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 04167 ast_copy_string(e->language, language, sizeof(e->language)); 04168 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 04169 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 04170 ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot)); 04171 if (!ast_strlen_zero(e->mailbox)) { 04172 char *mbox, *cntx; 04173 cntx = mbox = ast_strdupa(e->mailbox); 04174 strsep(&cntx, "@"); 04175 if (ast_strlen_zero(cntx)) { 04176 cntx = "default"; 04177 } 04178 e->mwi_event_sub = ast_event_subscribe(AST_EVENT_MWI, mwi_event_cb, "MGCP MWI subscription", NULL, 04179 AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mbox, 04180 AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, cntx, 04181 AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS, 04182 AST_EVENT_IE_END); 04183 } 04184 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", (unsigned long)ast_random()); 04185 e->msgstate = -1; 04186 e->amaflags = amaflags; 04187 e->capability = capability; 04188 e->parent = gw; 04189 e->ncs = ncs; 04190 e->dtmfmode = dtmfmode; 04191 if (!ep_reload && e->sub && e->sub->rtp) { 04192 e->dtmfmode |= MGCP_DTMF_INBAND; 04193 } 04194 e->adsi = adsi; 04195 e->type = TYPE_LINE; 04196 e->immediate = immediate; 04197 e->callgroup=cur_callergroup; 04198 e->pickupgroup=cur_pickupgroup; 04199 e->callreturn = callreturn; 04200 e->cancallforward = cancallforward; 04201 e->singlepath = singlepath; 04202 e->directmedia = directmedia; 04203 e->callwaiting = callwaiting; 04204 e->hascallwaiting = callwaiting; 04205 e->slowsequence = slowsequence; 04206 e->transfer = transfer; 04207 e->threewaycalling = threewaycalling; 04208 e->onhooktime = time(NULL); 04209 /* ASSUME we're onhook */ 04210 e->hookstate = MGCP_ONHOOK; 04211 e->chanvars = copy_vars(chanvars); 04212 if (!ep_reload) { 04213 /*snprintf(txident, sizeof(txident), "%08lx", (unsigned long)ast_random());*/ 04214 for (i = 0; i < MAX_SUBS; i++) { 04215 sub = ast_calloc(1, sizeof(*sub)); 04216 if (sub) { 04217 ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 04218 ast_mutex_init(&sub->lock); 04219 ast_mutex_init(&sub->cx_queue_lock); 04220 sub->parent = e; 04221 sub->id = i; 04222 snprintf(sub->txident, sizeof(sub->txident), "%08lx", (unsigned long)ast_random()); 04223 /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/ 04224 sub->cxmode = MGCP_CX_INACTIVE; 04225 sub->nat = nat; 04226 sub->gate = NULL; 04227 sub->sdpsent = 0; 04228 sub->next = e->sub; 04229 e->sub = sub; 04230 } else { 04231 /* XXX Should find a way to clean up our memory */ 04232 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 04233 return NULL; 04234 } 04235 } 04236 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 04237 /* find the end of the list */ 04238 for (sub = e->sub; sub && sub->next; sub = sub->next); 04239 /* set the last sub->next to the first sub */ 04240 sub->next = e->sub; 04241 04242 e->next = gw->endpoints; 04243 gw->endpoints = e; 04244 } 04245 } 04246 } else if (!strcasecmp(v->name, "trunk") || 04247 !strcasecmp(v->name, "line")) { 04248 04249 /* locate existing endpoint */ 04250 for (e = gw->endpoints; e; e = e->next) { 04251 if (!strcasecmp(v->value, e->name)) { 04252 /* endpoint already exists */ 04253 e->delme = 0; 04254 ep_reload = 1; 04255 break; 04256 } 04257 } 04258 04259 if (!e) { 04260 e = ast_calloc(1, sizeof(*e)); 04261 ep_reload = 0; 04262 } 04263 04264 if (e) { 04265 if (!ep_reload) { 04266 ast_mutex_init(&e->lock); 04267 ast_mutex_init(&e->rqnt_queue_lock); 04268 ast_mutex_init(&e->cmd_queue_lock); 04269 ast_copy_string(e->name, v->value, sizeof(e->name)); 04270 e->needaudit = 1; 04271 } 04272 /* XXX Should we really check for uniqueness?? XXX */ 04273 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 04274 ast_copy_string(e->context, context, sizeof(e->context)); 04275 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 04276 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 04277 ast_copy_string(e->language, language, sizeof(e->language)); 04278 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 04279 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 04280 ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot)); 04281 if (!ast_strlen_zero(mailbox)) { 04282 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name); 04283 } 04284 if (!ep_reload) { 04285 /* XXX potential issue due to reload */ 04286 e->msgstate = -1; 04287 e->parent = gw; 04288 } 04289 e->amaflags = amaflags; 04290 e->capability = capability; 04291 e->dtmfmode = dtmfmode; 04292 e->ncs = ncs; 04293 e->pktcgatealloc = pktcgatealloc; 04294 e->hangupongateremove = hangupongateremove; 04295 e->adsi = adsi; 04296 e->type = (!strcasecmp(v->name, "trunk")) ? TYPE_TRUNK : TYPE_LINE; 04297 e->immediate = immediate; 04298 e->callgroup=cur_callergroup; 04299 e->pickupgroup=cur_pickupgroup; 04300 e->callreturn = callreturn; 04301 e->cancallforward = cancallforward; 04302 e->directmedia = directmedia; 04303 e->singlepath = singlepath; 04304 e->callwaiting = callwaiting; 04305 e->hascallwaiting = callwaiting; 04306 e->slowsequence = slowsequence; 04307 e->transfer = transfer; 04308 e->threewaycalling = threewaycalling; 04309 04310 /* If we already have a valid chanvars, it's not a new endpoint (it's a reload), 04311 so first, free previous mem 04312 */ 04313 if (e->chanvars) { 04314 ast_variables_destroy(e->chanvars); 04315 e->chanvars = NULL; 04316 } 04317 e->chanvars = copy_vars(chanvars); 04318 04319 if (!ep_reload) { 04320 e->onhooktime = time(NULL); 04321 /* ASSUME we're onhook */ 04322 e->hookstate = MGCP_ONHOOK; 04323 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", (unsigned long)ast_random()); 04324 } 04325 04326 for (i = 0, sub = NULL; i < MAX_SUBS; i++) { 04327 if (!ep_reload) { 04328 sub = ast_calloc(1, sizeof(*sub)); 04329 } else { 04330 if (!sub) { 04331 sub = e->sub; 04332 } else { 04333 sub = sub->next; 04334 } 04335 } 04336 04337 if (sub) { 04338 if (!ep_reload) { 04339 ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 04340 ast_mutex_init(&sub->lock); 04341 ast_mutex_init(&sub->cx_queue_lock); 04342 ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic)); 04343 sub->parent = e; 04344 sub->id = i; 04345 snprintf(sub->txident, sizeof(sub->txident), "%08lx", (unsigned long)ast_random()); 04346 sub->cxmode = MGCP_CX_INACTIVE; 04347 sub->next = e->sub; 04348 e->sub = sub; 04349 } 04350 sub->nat = nat; 04351 } else { 04352 /* XXX Should find a way to clean up our memory */ 04353 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 04354 return NULL; 04355 } 04356 } 04357 if (!ep_reload) { 04358 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 04359 /* find the end of the list */ 04360 for (sub = e->sub; sub && sub->next; sub = sub->next); 04361 /* set the last sub->next to the first sub */ 04362 sub->next = e->sub; 04363 04364 e->next = gw->endpoints; 04365 gw->endpoints = e; 04366 } 04367 } 04368 } else if (!strcasecmp(v->name, "name") || !strcasecmp(v->name, "lines")) { 04369 /* just eliminate realtime warnings */ 04370 } else { 04371 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno); 04372 } 04373 } 04374 if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) { 04375 ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name); 04376 if (!gw_reload) { 04377 ast_mutex_destroy(&gw->msgs_lock); 04378 ast_free(gw); 04379 } 04380 04381 /* Return NULL */ 04382 gw_reload = 1; 04383 } else { 04384 gw->defaddr.sin_family = AF_INET; 04385 gw->addr.sin_family = AF_INET; 04386 if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) { 04387 gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 04388 } 04389 if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) { 04390 gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 04391 } 04392 { 04393 struct ast_sockaddr tmp1, tmp2; 04394 struct sockaddr_in tmp3 = {0,}; 04395 04396 tmp3.sin_addr = gw->ourip; 04397 ast_sockaddr_from_sin(&tmp1, &gw->addr); 04398 ast_sockaddr_from_sin(&tmp2, &tmp3); 04399 if (gw->addr.sin_addr.s_addr && ast_ouraddrfor(&tmp1, &tmp2)) { 04400 memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip)); 04401 } else { 04402 ast_sockaddr_to_sin(&tmp2, &tmp3); 04403 gw->ourip = tmp3.sin_addr; 04404 } 04405 } 04406 } 04407 04408 if (chanvars) { 04409 ast_variables_destroy(chanvars); 04410 chanvars = NULL; 04411 } 04412 return (gw_reload ? NULL : gw); 04413 }
static char* control2str | ( | int | ind | ) | [static] |
Definition at line 1408 of file chan_mgcp.c.
References AST_CONTROL_ANSWER, AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_FLASH, AST_CONTROL_HANGUP, AST_CONTROL_OFFHOOK, AST_CONTROL_OPTION, AST_CONTROL_RADIO_KEY, AST_CONTROL_RADIO_UNKEY, AST_CONTROL_RING, AST_CONTROL_RINGING, AST_CONTROL_TAKEOFFHOOK, and AST_CONTROL_WINK.
Referenced by mgcp_indicate().
01408 { 01409 switch (ind) { 01410 case AST_CONTROL_HANGUP: 01411 return "Other end has hungup"; 01412 case AST_CONTROL_RING: 01413 return "Local ring"; 01414 case AST_CONTROL_RINGING: 01415 return "Remote end is ringing"; 01416 case AST_CONTROL_ANSWER: 01417 return "Remote end has answered"; 01418 case AST_CONTROL_BUSY: 01419 return "Remote end is busy"; 01420 case AST_CONTROL_TAKEOFFHOOK: 01421 return "Make it go off hook"; 01422 case AST_CONTROL_OFFHOOK: 01423 return "Line is off hook"; 01424 case AST_CONTROL_CONGESTION: 01425 return "Congestion (circuits busy)"; 01426 case AST_CONTROL_FLASH: 01427 return "Flash hook"; 01428 case AST_CONTROL_WINK: 01429 return "Wink"; 01430 case AST_CONTROL_OPTION: 01431 return "Set a low-level option"; 01432 case AST_CONTROL_RADIO_KEY: 01433 return "Key Radio"; 01434 case AST_CONTROL_RADIO_UNKEY: 01435 return "Un-Key Radio"; 01436 } 01437 return "UNKNOWN"; 01438 }
static struct ast_variable * copy_vars | ( | struct ast_variable * | src | ) | [static, read] |
duplicate a list of channel variables,
Definition at line 4605 of file chan_mgcp.c.
References ast_variable_new(), and ast_variable::next.
Referenced by build_gateway().
04606 { 04607 struct ast_variable *res = NULL, *tmp, *v = NULL; 04608 04609 for (v = src ; v ; v = v->next) { 04610 if ((tmp = ast_variable_new(v->name, v->value, v->file))) { 04611 tmp->next = res; 04612 res = tmp; 04613 } 04614 } 04615 return res; 04616 }
static void destroy_endpoint | ( | struct mgcp_endpoint * | e | ) | [static] |
Definition at line 4477 of file chan_mgcp.c.
References ast_dsp_free(), ast_event_unsubscribe(), ast_free, ast_mutex_destroy, ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_destroy(), ast_strlen_zero(), ast_variables_destroy(), mgcp_endpoint::chanvars, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cxident, mgcp_endpoint::dsp, dump_cmd_queues(), dump_queue(), mgcp_subchannel::gate, cops_gate::gate_open, cops_gate::gate_remove, cops_gate::got_dq_gi, mgcp_endpoint::lock, mgcp_subchannel::lock, mgcp_subchannel::magic, MAX_SUBS, mgcp_queue_hangup(), mgcp_endpoint::mwi_event_sub, mgcp_subchannel::next, mgcp_endpoint::parent, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, mgcp_endpoint::sub, cops_gate::tech_pvt, and transmit_connection_del().
Referenced by prune_gateways().
04478 { 04479 struct mgcp_subchannel *sub = e->sub->next, *s; 04480 int i; 04481 04482 for (i = 0; i < MAX_SUBS; i++) { 04483 ast_mutex_lock(&sub->lock); 04484 if (!ast_strlen_zero(sub->cxident)) { 04485 transmit_connection_del(sub); 04486 } 04487 if (sub->rtp) { 04488 ast_rtp_instance_destroy(sub->rtp); 04489 sub->rtp = NULL; 04490 } 04491 memset(sub->magic, 0, sizeof(sub->magic)); 04492 mgcp_queue_hangup(sub); 04493 dump_cmd_queues(NULL, sub); 04494 if(sub->gate) { 04495 sub->gate->tech_pvt = NULL; 04496 sub->gate->got_dq_gi = NULL; 04497 sub->gate->gate_remove = NULL; 04498 sub->gate->gate_open = NULL; 04499 } 04500 ast_mutex_unlock(&sub->lock); 04501 sub = sub->next; 04502 } 04503 04504 if (e->dsp) { 04505 ast_dsp_free(e->dsp); 04506 } 04507 04508 dump_queue(e->parent, e); 04509 dump_cmd_queues(e, NULL); 04510 04511 sub = e->sub; 04512 for (i = 0; (i < MAX_SUBS) && sub; i++) { 04513 s = sub; 04514 sub = sub->next; 04515 ast_mutex_destroy(&s->lock); 04516 ast_mutex_destroy(&s->cx_queue_lock); 04517 ast_free(s); 04518 } 04519 04520 if (e->mwi_event_sub) 04521 ast_event_unsubscribe(e->mwi_event_sub); 04522 04523 if (e->chanvars) { 04524 ast_variables_destroy(e->chanvars); 04525 e->chanvars = NULL; 04526 } 04527 04528 ast_mutex_destroy(&e->lock); 04529 ast_mutex_destroy(&e->rqnt_queue_lock); 04530 ast_mutex_destroy(&e->cmd_queue_lock); 04531 ast_free(e); 04532 }
static void destroy_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 4534 of file chan_mgcp.c.
References ast_free, ast_free_ha(), dump_queue(), and mgcp_gateway::ha.
Referenced by prune_gateways().
04535 { 04536 if (g->ha) 04537 ast_free_ha(g->ha); 04538 04539 dump_queue(g, NULL); 04540 04541 ast_free(g); 04542 }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 3774 of file chan_mgcp.c.
References ast_io_add(), AST_IO_IN, ast_io_wait(), ast_mutex_destroy, ast_mutex_lock, ast_mutex_unlock, ast_sched_runq(), ast_sched_wait(), ast_verb, mgcp_gateway::endpoints, free, gateways, has_voicemail(), MGCP_ONHOOK, mgcp_prune_realtime_gateway(), mgcpsock_read(), mgcp_gateway::msgs_lock, mgcp_gateway::next, mgcp_gateway::realtime, reload_config(), transmit_notify_request(), and TYPE_LINE.
Referenced by restart_monitor().
03775 { 03776 int res; 03777 int reloading; 03778 struct mgcp_gateway *g, *gprev; 03779 /*struct mgcp_gateway *g;*/ 03780 /*struct mgcp_endpoint *e;*/ 03781 /*time_t thispass = 0, lastpass = 0;*/ 03782 time_t lastrun = 0; 03783 03784 /* Add an I/O event to our UDP socket */ 03785 if (mgcpsock > -1) { 03786 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03787 } 03788 /* This thread monitors all the frame relay interfaces which are not yet in use 03789 (and thus do not have a separate thread) indefinitely */ 03790 /* From here on out, we die whenever asked */ 03791 for (;;) { 03792 /* Check for a reload request */ 03793 ast_mutex_lock(&mgcp_reload_lock); 03794 reloading = mgcp_reloading; 03795 mgcp_reloading = 0; 03796 ast_mutex_unlock(&mgcp_reload_lock); 03797 if (reloading) { 03798 ast_verb(1, "Reloading MGCP\n"); 03799 reload_config(1); 03800 /* Add an I/O event to our UDP socket */ 03801 if (mgcpsock > -1 && !mgcpsock_read_id) { 03802 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03803 } 03804 } 03805 03806 /* Check for interfaces needing to be killed */ 03807 /* Don't let anybody kill us right away. Nobody should lock the interface list 03808 and wait for the monitor list, but the other way around is okay. */ 03809 ast_mutex_lock(&monlock); 03810 /* Lock the network interface */ 03811 ast_mutex_lock(&netlock); 03812 03813 #if 0 03814 /* XXX THIS IS COMPLETELY HOSED */ 03815 /* The gateway goes into a state of panic */ 03816 /* If the vmwi indicator is sent while it is reseting interfaces */ 03817 lastpass = thispass; 03818 thispass = time(NULL); 03819 g = gateways; 03820 while(g) { 03821 if (thispass != lastpass) { 03822 e = g->endpoints; 03823 while(e) { 03824 if (e->type == TYPE_LINE) { 03825 res = has_voicemail(e); 03826 if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){ 03827 if (res) { 03828 transmit_notify_request(e, "L/vmwi(+)"); 03829 } else { 03830 transmit_notify_request(e, "L/vmwi(-)"); 03831 } 03832 e->msgstate = res; 03833 e->onhooktime = thispass; 03834 } 03835 } 03836 e = e->next; 03837 } 03838 } 03839 g = g->next; 03840 } 03841 #endif 03842 /* pruning unused realtime gateways, running in every 60 seconds*/ 03843 if(time(NULL) > (lastrun + 60)) { 03844 ast_mutex_lock(&gatelock); 03845 g = gateways; 03846 gprev = NULL; 03847 while(g) { 03848 if(g->realtime) { 03849 if(mgcp_prune_realtime_gateway(g)) { 03850 if(gprev) { 03851 gprev->next = g->next; 03852 } else { 03853 gateways = g->next; 03854 } 03855 ast_mutex_unlock(&g->msgs_lock); 03856 ast_mutex_destroy(&g->msgs_lock); 03857 free(g); 03858 } else { 03859 ast_mutex_unlock(&g->msgs_lock); 03860 gprev = g; 03861 } 03862 } else { 03863 gprev = g; 03864 } 03865 g = g->next; 03866 } 03867 ast_mutex_unlock(&gatelock); 03868 lastrun = time(NULL); 03869 } 03870 /* Okay, now that we know what to do, release the network lock */ 03871 ast_mutex_unlock(&netlock); 03872 /* And from now on, we're okay to be killed, so release the monitor lock as well */ 03873 ast_mutex_unlock(&monlock); 03874 pthread_testcancel(); 03875 /* Wait for sched or io */ 03876 res = ast_sched_wait(sched); 03877 /* copied from chan_sip.c */ 03878 if ((res < 0) || (res > 1000)) { 03879 res = 1000; 03880 } 03881 res = ast_io_wait(io, res); 03882 ast_mutex_lock(&monlock); 03883 if (res >= 0) { 03884 ast_sched_runq(sched); 03885 } 03886 ast_mutex_unlock(&monlock); 03887 } 03888 /* Never reached */ 03889 return NULL; 03890 }
static void dump_cmd_queues | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub | |||
) | [static] |
dump_cmd_queues: (SC:) cleanup pending commands
Definition at line 2695 of file chan_mgcp.c.
References ast_free, ast_mutex_lock, ast_mutex_unlock, mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, mgcp_subchannel::next, mgcp_request::next, mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, and mgcp_endpoint::sub.
Referenced by destroy_endpoint(), handle_request(), handle_response(), and unalloc_sub().
02696 { 02697 struct mgcp_request *t, *q; 02698 02699 if (p) { 02700 ast_mutex_lock(&p->rqnt_queue_lock); 02701 for (q = p->rqnt_queue; q; t = q->next, ast_free(q), q=t); 02702 p->rqnt_queue = NULL; 02703 ast_mutex_unlock(&p->rqnt_queue_lock); 02704 02705 ast_mutex_lock(&p->cmd_queue_lock); 02706 for (q = p->cmd_queue; q; t = q->next, ast_free(q), q=t); 02707 p->cmd_queue = NULL; 02708 ast_mutex_unlock(&p->cmd_queue_lock); 02709 02710 ast_mutex_lock(&p->sub->cx_queue_lock); 02711 for (q = p->sub->cx_queue; q; t = q->next, ast_free(q), q=t); 02712 p->sub->cx_queue = NULL; 02713 ast_mutex_unlock(&p->sub->cx_queue_lock); 02714 02715 ast_mutex_lock(&p->sub->next->cx_queue_lock); 02716 for (q = p->sub->next->cx_queue; q; t = q->next, ast_free(q), q=t); 02717 p->sub->next->cx_queue = NULL; 02718 ast_mutex_unlock(&p->sub->next->cx_queue_lock); 02719 } else if (sub) { 02720 ast_mutex_lock(&sub->cx_queue_lock); 02721 for (q = sub->cx_queue; q; t = q->next, ast_free(q), q=t); 02722 sub->cx_queue = NULL; 02723 ast_mutex_unlock(&sub->cx_queue_lock); 02724 } 02725 }
static void dump_queue | ( | struct mgcp_gateway * | gw, | |
struct mgcp_endpoint * | p | |||
) | [static] |
Definition at line 581 of file chan_mgcp.c.
References ast_free, ast_log(), ast_mutex_lock, ast_mutex_unlock, LOG_NOTICE, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_message::next, mgcp_message::owner_ep, and mgcp_message::seqno.
Referenced by destroy_endpoint(), destroy_gateway(), and handle_request().
00582 { 00583 struct mgcp_message *cur, *q = NULL, *w, *prev; 00584 00585 ast_mutex_lock(&gw->msgs_lock); 00586 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 00587 if (!p || cur->owner_ep == p) { 00588 if (prev) { 00589 prev->next = cur->next; 00590 } else { 00591 gw->msgs = cur->next; 00592 } 00593 00594 ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n", 00595 gw->name, cur->seqno); 00596 00597 w = cur; 00598 if (q) { 00599 w->next = q; 00600 } else { 00601 w->next = NULL; 00602 } 00603 q = w; 00604 } 00605 } 00606 ast_mutex_unlock(&gw->msgs_lock); 00607 00608 while (q) { 00609 cur = q; 00610 q = q->next; 00611 ast_free(cur); 00612 } 00613 }
static int find_and_retrans | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 3595 of file chan_mgcp.c.
References ast_free, mgcp_request::identifier, mgcp_response::next, mgcp_endpoint::parent, mgcp_subchannel::parent, resend_response(), RESPONSE_TIMEOUT, and mgcp_gateway::responses.
Referenced by mgcpsock_read().
03596 { 03597 int seqno=0; 03598 time_t now; 03599 struct mgcp_response *prev = NULL, *cur, *next, *answer = NULL; 03600 time(&now); 03601 if (sscanf(req->identifier, "%30d", &seqno) != 1) { 03602 seqno = 0; 03603 } 03604 for (cur = sub->parent->parent->responses, next = cur ? cur->next : NULL; cur; cur = next, next = cur ? cur->next : NULL) { 03605 if (now - cur->whensent > RESPONSE_TIMEOUT) { 03606 /* Delete this entry */ 03607 if (prev) 03608 prev->next = next; 03609 else 03610 sub->parent->parent->responses = next; 03611 ast_free(cur); 03612 } else { 03613 if (seqno == cur->seqno) 03614 answer = cur; 03615 prev = cur; 03616 } 03617 } 03618 if (answer) { 03619 resend_response(sub, answer); 03620 return 1; 03621 } 03622 return 0; 03623 }
static struct mgcp_request* find_command | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
struct mgcp_request ** | queue, | |||
ast_mutex_t * | l, | |||
int | ident | |||
) | [static, read] |
find_command: (SC:) remove command transaction from queue
Definition at line 2729 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_debug, ast_inet_ntoa(), ast_mutex_lock, ast_mutex_unlock, mgcp_postrequest(), mgcp_request::next, and mgcp_endpoint::parent.
Referenced by handle_response().
02731 { 02732 struct mgcp_request *prev, *req; 02733 02734 ast_mutex_lock(l); 02735 for (prev = NULL, req = *queue; req; prev = req, req = req->next) { 02736 if (req->trid == ident) { 02737 /* remove from queue */ 02738 if (!prev) 02739 *queue = req->next; 02740 else 02741 prev->next = req->next; 02742 02743 /* send next pending command */ 02744 if (*queue) { 02745 ast_debug(1, "Posting Queued Request:\n%s to %s:%d\n", (*queue)->data, 02746 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 02747 02748 mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid); 02749 } 02750 break; 02751 } 02752 } 02753 ast_mutex_unlock(l); 02754 return req; 02755 }
static struct mgcp_gateway* find_realtime_gw | ( | char * | name, | |
char * | at, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1667 of file chan_mgcp.c.
References args, AST_APP_ARG, ast_check_realtime(), ast_copy_string(), ast_debug, AST_DECLARE_APP_ARGS, ast_load_realtime(), AST_STANDARD_APP_ARGS, ast_strlen_zero(), ast_variables_destroy(), build_gateway(), mgcp_gateway::endpoints, gateways, ast_variable::name, mgcp_endpoint::needaudit, mgcp_endpoint::next, mgcp_gateway::next, ast_variable::next, mgcp_gateway::realtime, transmit_audit_endpoint(), and ast_variable::value.
Referenced by find_subchannel_and_lock().
01668 { 01669 struct mgcp_gateway *g = NULL; 01670 struct ast_variable *mgcpgwconfig = NULL; 01671 struct ast_variable *gwv, *epname = NULL; 01672 struct mgcp_endpoint *e; 01673 char lines[256]; 01674 int i, j; 01675 01676 ast_debug(1, "*** find Realtime MGCPGW\n"); 01677 01678 if (!(i = ast_check_realtime("mgcpgw")) || !(j = ast_check_realtime("mgcpep"))) { 01679 return NULL; 01680 } 01681 01682 if (ast_strlen_zero(at)) { 01683 ast_debug(1, "null gw name\n"); 01684 return NULL; 01685 } 01686 01687 if (!(mgcpgwconfig = ast_load_realtime("mgcpgw", "name", at, NULL))) { 01688 return NULL; 01689 } 01690 01691 /*! 01692 * \note This is a fairly odd way of instantiating lines. Instead of each 01693 * line created by virtue of being in the database (and loaded via 01694 * ast_load_realtime_multientry), this code forces a specific order with a 01695 * "lines" entry in the "mgcpgw" record. This has benefits, because as with 01696 * chan_dahdi, values are inherited across definitions. The downside is 01697 * that it's not as clear what the values will be simply by looking at a 01698 * single row in the database, and it's probable that the sanest configuration 01699 * should have the first column in the "mgcpep" table be "clearvars", with a 01700 * static value of "all", if any variables are set at all. It may be worth 01701 * making this assumption explicit in the code in the future, and then just 01702 * using ast_load_realtime_multientry for the "mgcpep" records. 01703 */ 01704 lines[0] = '\0'; 01705 for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) { 01706 if (!strcasecmp(gwv->name, "lines")) { 01707 ast_copy_string(lines, gwv->value, sizeof(lines)); 01708 break; 01709 } 01710 } 01711 /* Position gwv at the end of the list */ 01712 for (gwv = gwv && gwv->next ? gwv : mgcpgwconfig; gwv->next; gwv = gwv->next); 01713 01714 if (!ast_strlen_zero(lines)) { 01715 AST_DECLARE_APP_ARGS(args, 01716 AST_APP_ARG(line)[100]; 01717 ); 01718 AST_STANDARD_APP_ARGS(args, lines); 01719 for (i = 0; i < args.argc; i++) { 01720 gwv->next = ast_load_realtime("mgcpep", "name", at, "line", args.line[i], NULL); 01721 01722 /* Remove "line" AND position gwv at the end of the list. */ 01723 for (epname = NULL; gwv->next; gwv = gwv->next) { 01724 if (!strcasecmp(gwv->next->name, "line")) { 01725 /* Remove it from the list */ 01726 epname = gwv->next; 01727 gwv->next = gwv->next->next; 01728 } 01729 } 01730 /* Since "line" instantiates the configuration, we have to move it to the end. */ 01731 if (epname) { 01732 gwv->next = epname; 01733 epname->next = NULL; 01734 gwv = gwv->next; 01735 } 01736 } 01737 } 01738 for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) { 01739 ast_debug(1, "MGCP Realtime var: %s => %s\n", gwv->name, gwv->value); 01740 } 01741 01742 if (mgcpgwconfig) { 01743 g = build_gateway(at, mgcpgwconfig); 01744 ast_variables_destroy(mgcpgwconfig); 01745 } 01746 if (g) { 01747 g->next = gateways; 01748 g->realtime = 1; 01749 gateways = g; 01750 for (e = g->endpoints; e; e = e->next) { 01751 transmit_audit_endpoint(e); 01752 e->needaudit = 0; 01753 } 01754 } 01755 return g; 01756 }
static struct mgcp_subchannel* find_subchannel_and_lock | ( | char * | name, | |
int | msgid, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1758 of file chan_mgcp.c.
References __ourip, mgcp_gateway::addr, ast_copy_string(), ast_debug, ast_inet_ntoa(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_ouraddrfor(), ast_sockaddr_from_sin, ast_sockaddr_to_sin, ast_verb, mgcp_gateway::defaddr, mgcp_gateway::dynamic, mgcp_gateway::endpoints, find_realtime_gw(), gateways, mgcp_subchannel::id, mgcp_subchannel::lock, LOG_NOTICE, mgcp_endpoint::name, mgcp_gateway::name, mgcp_endpoint::next, mgcp_gateway::next, mgcp_gateway::ourip, and mgcp_endpoint::sub.
Referenced by mgcp_request(), and mgcpsock_read().
01759 { 01760 struct mgcp_endpoint *p = NULL; 01761 struct mgcp_subchannel *sub = NULL; 01762 struct mgcp_gateway *g; 01763 char tmp[256] = ""; 01764 char *at = NULL, *c; 01765 int found = 0; 01766 if (name) { 01767 ast_copy_string(tmp, name, sizeof(tmp)); 01768 at = strchr(tmp, '@'); 01769 if (!at) { 01770 ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name); 01771 return NULL; 01772 } 01773 *at++ = '\0'; 01774 } 01775 ast_mutex_lock(&gatelock); 01776 if (at && (at[0] == '[')) { 01777 at++; 01778 c = strrchr(at, ']'); 01779 if (c) { 01780 *c = '\0'; 01781 } 01782 } 01783 for (g = gateways ? gateways : find_realtime_gw(name, at, sin); g; g = g->next ? g->next : find_realtime_gw(name, at, sin)) { 01784 if ((!name || !strcasecmp(g->name, at)) && 01785 (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) { 01786 /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */ 01787 if (sin && g->dynamic && name) { 01788 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01789 (g->addr.sin_port != sin->sin_port)) { 01790 memcpy(&g->addr, sin, sizeof(g->addr)); 01791 { 01792 struct ast_sockaddr tmp1, tmp2; 01793 struct sockaddr_in tmp3 = {0,}; 01794 01795 tmp3.sin_addr = g->ourip; 01796 ast_sockaddr_from_sin(&tmp1, &g->addr); 01797 ast_sockaddr_from_sin(&tmp2, &tmp3); 01798 if (ast_ouraddrfor(&tmp1, &tmp2)) { 01799 memcpy(&g->ourip, &__ourip, sizeof(g->ourip)); 01800 } 01801 ast_sockaddr_to_sin(&tmp2, &tmp3); 01802 g->ourip = tmp3.sin_addr; 01803 } 01804 ast_verb(3, "Registered MGCP gateway '%s' at %s port %d\n", g->name, ast_inet_ntoa(g->addr.sin_addr), ntohs(g->addr.sin_port)); 01805 } 01806 /* not dynamic, check if the name matches */ 01807 } else if (name) { 01808 if (strcasecmp(g->name, at)) { 01809 g = g->next; 01810 continue; 01811 } 01812 /* not dynamic, no name, check if the addr matches */ 01813 } else if (!name && sin) { 01814 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01815 (g->addr.sin_port != sin->sin_port)) { 01816 if(!g->next) 01817 g = find_realtime_gw(name, at, sin); 01818 else 01819 g = g->next; 01820 continue; 01821 } 01822 } else { 01823 continue; 01824 } 01825 for (p = g->endpoints; p; p = p->next) { 01826 ast_debug(1, "Searching on %s@%s for subchannel\n", p->name, g->name); 01827 if (msgid) { 01828 sub = p->sub; 01829 found = 1; 01830 break; 01831 } else if (name && !strcasecmp(p->name, tmp)) { 01832 ast_debug(1, "Coundn't determine subchannel, assuming current master %s@%s-%d\n", 01833 p->name, g->name, p->sub->id); 01834 sub = p->sub; 01835 found = 1; 01836 break; 01837 } 01838 } 01839 if (sub && found) { 01840 ast_mutex_lock(&sub->lock); 01841 break; 01842 } 01843 } 01844 } 01845 ast_mutex_unlock(&gatelock); 01846 if (!sub) { 01847 if (name) { 01848 if (g) { 01849 ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at); 01850 } else { 01851 ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp); 01852 } 01853 } 01854 } 01855 return sub; 01856 }
static char* get_csv | ( | char * | c, | |
int * | len, | |||
char ** | next | |||
) | [static] |
get_csv: (SC:) get comma separated value
Definition at line 1643 of file chan_mgcp.c.
Referenced by handle_response().
01644 { 01645 char *s; 01646 01647 *next = NULL, *len = 0; 01648 if (!c) return NULL; 01649 01650 while (*c && (*c < 33 || *c == ',')) { 01651 c++; 01652 } 01653 01654 s = c; 01655 while (*c && (*c >= 33 && *c != ',')) { 01656 c++, (*len)++; 01657 } 01658 *next = c; 01659 01660 if (*len == 0) { 01661 s = NULL, *next = NULL; 01662 } 01663 01664 return s; 01665 }
static char* get_header | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1636 of file chan_mgcp.c.
References __get_header().
Referenced by handle_request(), and handle_response().
01637 { 01638 int start = 0; 01639 return __get_header(req, name, &start, ""); 01640 }
static char* get_sdp | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1587 of file chan_mgcp.c.
References get_sdp_by_line(), len(), mgcp_request::line, and mgcp_request::lines.
Referenced by process_sdp().
static char* get_sdp_by_line | ( | char * | line, | |
char * | name, | |||
int | nameLen | |||
) | [static] |
Definition at line 1577 of file chan_mgcp.c.
Referenced by get_sdp(), and get_sdp_iterate().
01578 { 01579 if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') { 01580 char *r = line + nameLen + 1; 01581 while (*r && (*r < 33)) ++r; 01582 return r; 01583 } 01584 return ""; 01585 }
static char* get_sdp_iterate | ( | int * | iterator, | |
struct mgcp_request * | req, | |||
char * | name | |||
) | [static] |
Definition at line 1605 of file chan_mgcp.c.
References get_sdp_by_line(), len(), and mgcp_request::line.
Referenced by process_sdp().
01606 { 01607 int len = strlen(name); 01608 char *r; 01609 while (*iterator < req->lines) { 01610 r = get_sdp_by_line(req->line[(*iterator)++], name, len); 01611 if (r[0] != '\0') return r; 01612 } 01613 return ""; 01614 }
static void handle_hd_hf | ( | struct mgcp_subchannel * | sub, | |
char * | ev | |||
) | [static] |
Definition at line 3268 of file chan_mgcp.c.
References ast_bridged_channel(), AST_CONTROL_ANSWER, AST_CONTROL_UNHOLD, ast_hangup(), ast_log(), ast_pthread_create_detached, ast_queue_control(), AST_STATE_DOWN, AST_STATE_RING, mgcp_subchannel::cxmode, errno, has_voicemail(), mgcp_endpoint::hookstate, mgcp_endpoint::immediate, LOG_WARNING, MGCP_CX_SENDRECV, mgcp_new(), MGCP_OFFHOOK, mgcp_queue_control(), mgcp_ss(), mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), transmit_modify_request(), and transmit_notify_request().
Referenced by handle_request().
03269 { 03270 struct mgcp_endpoint *p = sub->parent; 03271 struct ast_channel *c; 03272 pthread_t t; 03273 03274 /* Off hook / answer */ 03275 if (sub->outgoing) { 03276 /* Answered */ 03277 if (sub->owner) { 03278 if (ast_bridged_channel(sub->owner)) 03279 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03280 sub->cxmode = MGCP_CX_SENDRECV; 03281 if (!sub->rtp) { 03282 start_rtp(sub); 03283 } else { 03284 transmit_modify_request(sub); 03285 } 03286 /*transmit_notify_request(sub, "aw");*/ 03287 transmit_notify_request(sub, ""); 03288 mgcp_queue_control(sub, AST_CONTROL_ANSWER); 03289 } 03290 } else { 03291 /* Start switch */ 03292 /*sub->cxmode = MGCP_CX_SENDRECV;*/ 03293 if (!sub->owner) { 03294 if (!sub->rtp) { 03295 start_rtp(sub); 03296 } else { 03297 transmit_modify_request(sub); 03298 } 03299 if (p->immediate) { 03300 /* The channel is immediately up. Start right away */ 03301 #ifdef DLINK_BUGGY_FIRMWARE 03302 transmit_notify_request(sub, "rt"); 03303 #else 03304 transmit_notify_request(sub, p->ncs ? "L/rt" : "G/rt"); 03305 #endif 03306 c = mgcp_new(sub, AST_STATE_RING, NULL); 03307 if (!c) { 03308 ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name); 03309 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03310 ast_hangup(c); 03311 } 03312 } else { 03313 if (has_voicemail(p)) { 03314 transmit_notify_request(sub, "L/sl"); 03315 } else { 03316 transmit_notify_request(sub, "L/dl"); 03317 } 03318 c = mgcp_new(sub, AST_STATE_DOWN, NULL); 03319 if (c) { 03320 if (ast_pthread_create_detached(&t, NULL, mgcp_ss, c)) { 03321 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno)); 03322 ast_hangup(c); 03323 } 03324 } else { 03325 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name); 03326 } 03327 } 03328 } else { 03329 if (p->hookstate == MGCP_OFFHOOK) { 03330 ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03331 } else { 03332 ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03333 ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n"); 03334 } 03335 if (ast_bridged_channel(sub->owner)) 03336 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03337 sub->cxmode = MGCP_CX_SENDRECV; 03338 if (!sub->rtp) { 03339 start_rtp(sub); 03340 } else { 03341 transmit_modify_request(sub); 03342 } 03343 /*transmit_notify_request(sub, "aw");*/ 03344 transmit_notify_request(sub, ""); 03345 /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/ 03346 } 03347 } 03348 }
static char* handle_mgcp_audit_endpoint | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1081 of file chan_mgcp.c.
References ast_cli_args::argc, ast_cli_args::argv, ast_cli(), ast_mutex_lock, ast_mutex_unlock, ast_strdupa, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, mgcp_gateway::endpoints, ast_cli_args::fd, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_endpoint::next, mgcp_gateway::next, transmit_audit_endpoint(), and ast_cli_entry::usage.
01082 { 01083 struct mgcp_gateway *mg; 01084 struct mgcp_endpoint *me; 01085 int found = 0; 01086 char *ename,*gname, *c; 01087 01088 switch (cmd) { 01089 case CLI_INIT: 01090 e->command = "mgcp audit endpoint"; 01091 e->usage = 01092 "Usage: mgcp audit endpoint <endpointid>\n" 01093 " Lists the capabilities of an endpoint in the MGCP (Media Gateway Control Protocol) subsystem.\n" 01094 " mgcp debug MUST be on to see the results of this command.\n"; 01095 return NULL; 01096 case CLI_GENERATE: 01097 return NULL; 01098 } 01099 01100 if (!mgcpdebug) { 01101 return CLI_SHOWUSAGE; 01102 } 01103 if (a->argc != 4) 01104 return CLI_SHOWUSAGE; 01105 /* split the name into parts by null */ 01106 ename = ast_strdupa(a->argv[3]); 01107 for (gname = ename; *gname; gname++) { 01108 if (*gname == '@') { 01109 *gname = 0; 01110 gname++; 01111 break; 01112 } 01113 } 01114 if (gname[0] == '[') { 01115 gname++; 01116 } 01117 if ((c = strrchr(gname, ']'))) { 01118 *c = '\0'; 01119 } 01120 ast_mutex_lock(&gatelock); 01121 for (mg = gateways; mg; mg = mg->next) { 01122 if (!strcasecmp(mg->name, gname)) { 01123 for (me = mg->endpoints; me; me = me->next) { 01124 if (!strcasecmp(me->name, ename)) { 01125 found = 1; 01126 transmit_audit_endpoint(me); 01127 break; 01128 } 01129 } 01130 if (found) { 01131 break; 01132 } 01133 } 01134 } 01135 if (!found) { 01136 ast_cli(a->fd, " << Could not find endpoint >> "); 01137 } 01138 ast_mutex_unlock(&gatelock); 01139 return CLI_SUCCESS; 01140 }
static char* handle_mgcp_set_debug | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1142 of file chan_mgcp.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, and ast_cli_entry::usage.
01143 { 01144 switch (cmd) { 01145 case CLI_INIT: 01146 e->command = "mgcp set debug {on|off}"; 01147 e->usage = 01148 "Usage: mgcp set debug {on|off}\n" 01149 " Enables/Disables dumping of MGCP packets for debugging purposes\n"; 01150 return NULL; 01151 case CLI_GENERATE: 01152 return NULL; 01153 } 01154 01155 if (a->argc != e->args) 01156 return CLI_SHOWUSAGE; 01157 01158 if (!strncasecmp(a->argv[e->args - 1], "on", 2)) { 01159 mgcpdebug = 1; 01160 ast_cli(a->fd, "MGCP Debugging Enabled\n"); 01161 } else if (!strncasecmp(a->argv[3], "off", 3)) { 01162 mgcpdebug = 0; 01163 ast_cli(a->fd, "MGCP Debugging Disabled\n"); 01164 } else { 01165 return CLI_SHOWUSAGE; 01166 } 01167 return CLI_SUCCESS; 01168 }
static char* handle_mgcp_show_endpoints | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1039 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_cli_args::argc, ast_cli(), ast_inet_ntoa(), ast_mutex_lock, ast_mutex_unlock, mgcp_endpoint::chanvars, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, mgcp_endpoint::context, mgcp_gateway::defaddr, mgcp_gateway::dynamic, mgcp_gateway::endpoints, ast_cli_args::fd, gateways, ast_variable::name, mgcp_endpoint::name, mgcp_gateway::name, ast_variable::next, mgcp_endpoint::next, mgcp_gateway::next, mgcp_subchannel::owner, mgcp_gateway::realtime, mgcp_endpoint::sub, ast_cli_entry::usage, and ast_variable::value.
01040 { 01041 struct mgcp_gateway *mg; 01042 struct mgcp_endpoint *me; 01043 int hasendpoints = 0; 01044 struct ast_variable * v = NULL; 01045 01046 switch (cmd) { 01047 case CLI_INIT: 01048 e->command = "mgcp show endpoints"; 01049 e->usage = 01050 "Usage: mgcp show endpoints\n" 01051 " Lists all endpoints known to the MGCP (Media Gateway Control Protocol) subsystem.\n"; 01052 return NULL; 01053 case CLI_GENERATE: 01054 return NULL; 01055 } 01056 01057 if (a->argc != 3) { 01058 return CLI_SHOWUSAGE; 01059 } 01060 ast_mutex_lock(&gatelock); 01061 for (mg = gateways; mg; mg = mg->next) { 01062 ast_cli(a->fd, "Gateway '%s' at %s (%s%s)\n", mg->name, mg->addr.sin_addr.s_addr ? ast_inet_ntoa(mg->addr.sin_addr) : ast_inet_ntoa(mg->defaddr.sin_addr), mg->realtime ? "Realtime, " : "", mg->dynamic ? "Dynamic" : "Static"); 01063 for (me = mg->endpoints; me; me = me->next) { 01064 ast_cli(a->fd, " -- '%s@%s in '%s' is %s\n", me->name, mg->name, me->context, me->sub->owner ? "active" : "idle"); 01065 if (me->chanvars) { 01066 ast_cli(a->fd, " Variables:\n"); 01067 for (v = me->chanvars ; v ; v = v->next) { 01068 ast_cli(a->fd, " %s = '%s'\n", v->name, v->value); 01069 } 01070 } 01071 hasendpoints = 1; 01072 } 01073 if (!hasendpoints) { 01074 ast_cli(a->fd, " << No Endpoints Defined >> "); 01075 } 01076 } 01077 ast_mutex_unlock(&gatelock); 01078 return CLI_SUCCESS; 01079 }
static int handle_request | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 3350 of file chan_mgcp.c.
References ast_channel::_state, mgcp_subchannel::alreadygone, ast_bridged_channel(), AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_debug, AST_FRAME_DTMF, ast_inet_ntoa(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_queue_control(), AST_STATE_DOWN, AST_STATE_UP, ast_verb, attempt_transfer(), mgcp_endpoint::callwaiting, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::dtmf_buf, dump_cmd_queues(), dump_queue(), mgcp_gateway::endpoints, ast_frame::frametype, get_header(), handle_hd_hf(), has_voicemail(), mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::hookstate, mgcp_subchannel::id, ast_frame_subclass::integer, mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, MGCP_CX_CONF, MGCP_CX_MUTE, MGCP_CX_RECVONLY, MGCP_CX_SENDRECV, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_queue_frame(), mgcp_queue_hangup(), mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, mgcp_subchannel::next, mgcp_endpoint::next, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, ast_frame::src, mgcp_endpoint::sub, ast_frame::subclass, mgcp_endpoint::threewaycalling, mgcp_endpoint::transfer, transmit_audit_endpoint(), transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), transmit_response(), mgcp_request::verb, and mgcp_gateway::wcardep.
Referenced by mgcpsock_read().
03351 { 03352 char *ev, *s; 03353 struct ast_frame f = { 0, }; 03354 struct mgcp_endpoint *p = sub->parent; 03355 struct mgcp_gateway *g = NULL; 03356 int res; 03357 03358 ast_debug(1, "Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name); 03359 /* Clear out potential response */ 03360 if (!strcasecmp(req->verb, "RSIP")) { 03361 /* Test if this RSIP request is just a keepalive */ 03362 if (!strcasecmp( get_header(req, "RM"), "X-keepalive")) { 03363 ast_verb(3, "Received keepalive request from %s@%s\n", p->name, p->parent->name); 03364 transmit_response(sub, "200", req, "OK"); 03365 } else { 03366 dump_queue(p->parent, p); 03367 dump_cmd_queues(p, NULL); 03368 03369 if ((strcmp(p->name, p->parent->wcardep) != 0)) { 03370 ast_verb(3, "Resetting interface %s@%s\n", p->name, p->parent->name); 03371 } 03372 /* For RSIP on wildcard we reset all endpoints */ 03373 if (!strcmp(p->name, p->parent->wcardep)) { 03374 /* Reset all endpoints */ 03375 struct mgcp_endpoint *tmp_ep; 03376 03377 g = p->parent; 03378 for (tmp_ep = g->endpoints; tmp_ep; tmp_ep = tmp_ep->next) { 03379 /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/ 03380 if (strcmp(tmp_ep->name, g->wcardep) != 0) { 03381 struct mgcp_subchannel *tmp_sub, *first_sub; 03382 ast_verb(3, "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name); 03383 03384 first_sub = tmp_ep->sub; 03385 tmp_sub = tmp_ep->sub; 03386 while (tmp_sub) { 03387 mgcp_queue_hangup(tmp_sub); 03388 tmp_sub = tmp_sub->next; 03389 if (tmp_sub == first_sub) 03390 break; 03391 } 03392 } 03393 } 03394 } else if (sub->owner) { 03395 mgcp_queue_hangup(sub); 03396 } 03397 transmit_response(sub, "200", req, "OK"); 03398 /* We don't send NTFY or AUEP to wildcard ep */ 03399 if (strcmp(p->name, p->parent->wcardep) != 0) { 03400 transmit_notify_request(sub, ""); 03401 /* Audit endpoint. 03402 Idea is to prevent lost lines due to race conditions 03403 */ 03404 transmit_audit_endpoint(p); 03405 } 03406 } 03407 } else if (!strcasecmp(req->verb, "NTFY")) { 03408 /* Acknowledge and be sure we keep looking for the same things */ 03409 transmit_response(sub, "200", req, "OK"); 03410 /* Notified of an event */ 03411 ev = get_header(req, "O"); 03412 s = strchr(ev, '/'); 03413 if (s) ev = s + 1; 03414 ast_debug(1, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev); 03415 /* Keep looking for events unless this was a hangup */ 03416 if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) { 03417 transmit_notify_request(sub, p->curtone); 03418 } 03419 if (!strcasecmp(ev, "hd")) { 03420 p->hookstate = MGCP_OFFHOOK; 03421 sub->cxmode = MGCP_CX_SENDRECV; 03422 03423 if (p) { 03424 /* When the endpoint have a Off hook transition we allways 03425 starts without any previous dtmfs */ 03426 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03427 } 03428 03429 handle_hd_hf(sub, ev); 03430 } else if (!strcasecmp(ev, "hf")) { 03431 /* We can assume we are offhook if we received a hookflash */ 03432 /* First let's just do call wait and ignore threeway */ 03433 /* We're currently in charge */ 03434 if (p->hookstate != MGCP_OFFHOOK) { 03435 /* Cisco c7940 sends hf even if the phone is onhook */ 03436 /* Thanks to point on IRC for pointing this out */ 03437 return -1; 03438 } 03439 /* do not let * conference two down channels */ 03440 if (sub->owner && sub->owner->_state == AST_STATE_DOWN && !sub->next->owner) 03441 return -1; 03442 03443 if (p->callwaiting || p->transfer || p->threewaycalling) { 03444 ast_verb(3, "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 03445 p->sub = p->sub->next; 03446 03447 /* transfer control to our next subchannel */ 03448 if (!sub->next->owner) { 03449 /* plave the first call on hold and start up a new call */ 03450 sub->cxmode = MGCP_CX_MUTE; 03451 ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03452 transmit_modify_request(sub); 03453 if (sub->owner && ast_bridged_channel(sub->owner)) 03454 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03455 sub->next->cxmode = MGCP_CX_RECVONLY; 03456 handle_hd_hf(sub->next, ev); 03457 } else if (sub->owner && sub->next->owner) { 03458 /* We've got two active calls lets decide whether or not to conference or just flip flop */ 03459 if ((!sub->outgoing) && (!sub->next->outgoing)) { 03460 /* We made both calls lets conferenct */ 03461 ast_verb(3, "MGCP Conferencing %d and %d on %s@%s\n", 03462 sub->id, sub->next->id, p->name, p->parent->name); 03463 sub->cxmode = MGCP_CX_CONF; 03464 sub->next->cxmode = MGCP_CX_CONF; 03465 if (ast_bridged_channel(sub->next->owner)) 03466 ast_queue_control(sub->next->owner, AST_CONTROL_UNHOLD); 03467 transmit_modify_request(sub); 03468 transmit_modify_request(sub->next); 03469 } else { 03470 /* Let's flipflop between calls */ 03471 /* XXX Need to check for state up ??? */ 03472 /* XXX Need a way to indicate the current call, or maybe the call that's waiting */ 03473 ast_verb(3, "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n", 03474 sub->id, sub->next->id, p->name, p->parent->name); 03475 sub->cxmode = MGCP_CX_MUTE; 03476 ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03477 transmit_modify_request(sub); 03478 if (ast_bridged_channel(sub->owner)) 03479 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03480 03481 if (ast_bridged_channel(sub->next->owner)) 03482 ast_queue_control(sub->next->owner, AST_CONTROL_HOLD); 03483 03484 handle_hd_hf(sub->next, ev); 03485 } 03486 } else { 03487 /* We've most likely lost one of our calls find an active call and bring it up */ 03488 if (sub->owner) { 03489 p->sub = sub; 03490 } else if (sub->next->owner) { 03491 p->sub = sub->next; 03492 } else { 03493 /* We seem to have lost both our calls */ 03494 /* XXX - What do we do now? */ 03495 return -1; 03496 } 03497 if (ast_bridged_channel(p->sub->owner)) 03498 ast_queue_control(p->sub->owner, AST_CONTROL_UNHOLD); 03499 p->sub->cxmode = MGCP_CX_SENDRECV; 03500 transmit_modify_request(p->sub); 03501 } 03502 } else { 03503 ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n", 03504 p->name, p->parent->name); 03505 } 03506 } else if (!strcasecmp(ev, "hu")) { 03507 p->hookstate = MGCP_ONHOOK; 03508 sub->cxmode = MGCP_CX_RECVONLY; 03509 ast_debug(1, "MGCP %s@%s Went on hook\n", p->name, p->parent->name); 03510 /* Do we need to send MDCX before a DLCX ? 03511 if (sub->rtp) { 03512 transmit_modify_request(sub); 03513 } 03514 */ 03515 if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) { 03516 /* We're allowed to transfer, we have two avtive calls and */ 03517 /* we made at least one of the calls. Let's try and transfer */ 03518 ast_mutex_lock(&p->sub->next->lock); 03519 res = attempt_transfer(p); 03520 if (res < 0) { 03521 if (p->sub->next->owner) { 03522 sub->next->alreadygone = 1; 03523 mgcp_queue_hangup(sub->next); 03524 } 03525 } else if (res) { 03526 ast_log(LOG_WARNING, "Transfer attempt failed\n"); 03527 ast_mutex_unlock(&p->sub->next->lock); 03528 return -1; 03529 } 03530 ast_mutex_unlock(&p->sub->next->lock); 03531 } else { 03532 /* Hangup the current call */ 03533 /* If there is another active call, mgcp_hangup will ring the phone with the other call */ 03534 if (sub->owner) { 03535 sub->alreadygone = 1; 03536 mgcp_queue_hangup(sub); 03537 } else { 03538 ast_verb(3, "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n", 03539 p->name, p->parent->name, sub->id); 03540 /* Instruct the other side to remove the connection since it apparently * 03541 * still thinks the channel is active. * 03542 * For Cisco IAD2421 /BAK/ */ 03543 transmit_connection_del(sub); 03544 } 03545 } 03546 if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) { 03547 p->hidecallerid = 0; 03548 if (p->hascallwaiting && !p->callwaiting) { 03549 ast_verb(3, "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id); 03550 p->callwaiting = -1; 03551 } 03552 if (has_voicemail(p)) { 03553 ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name); 03554 transmit_notify_request(sub, "L/vmwi(+)"); 03555 } else { 03556 ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name); 03557 transmit_notify_request(sub, "L/vmwi(-)"); 03558 } 03559 } 03560 } else if ((strlen(ev) == 1) && 03561 (((ev[0] >= '0') && (ev[0] <= '9')) || 03562 ((ev[0] >= 'A') && (ev[0] <= 'D')) || 03563 (ev[0] == '*') || (ev[0] == '#'))) { 03564 if (sub && sub->owner && (sub->owner->_state >= AST_STATE_UP)) { 03565 f.frametype = AST_FRAME_DTMF; 03566 f.subclass.integer = ev[0]; 03567 f.src = "mgcp"; 03568 /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */ 03569 mgcp_queue_frame(sub, &f); 03570 ast_mutex_lock(&sub->next->lock); 03571 if (sub->next->owner) 03572 mgcp_queue_frame(sub->next, &f); 03573 ast_mutex_unlock(&sub->next->lock); 03574 if (strstr(p->curtone, (p->ncs ? "wt1" : "wt")) && (ev[0] == 'A')) { 03575 memset(p->curtone, 0, sizeof(p->curtone)); 03576 } 03577 } else { 03578 p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0]; 03579 p->dtmf_buf[strlen(p->dtmf_buf)] = '\0'; 03580 } 03581 } else if (!strcasecmp(ev, "T")) { 03582 /* Digit timeout -- unimportant */ 03583 } else if (!strcasecmp(ev, "ping")) { 03584 /* ping -- unimportant */ 03585 } else { 03586 ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name); 03587 } 03588 } else { 03589 ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr)); 03590 transmit_response(sub, "510", req, "Unknown verb"); 03591 } 03592 return 0; 03593 }
static void handle_response | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
int | result, | |||
unsigned int | ident, | |||
struct mgcp_request * | resp | |||
) | [static] |
Definition at line 2758 of file chan_mgcp.c.
References ast_channel::_state, AST_CONTROL_RINGING, ast_copy_string(), ast_free, ast_log(), ast_queue_control(), AST_STATE_RINGING, ast_strlen_zero(), ast_verb, mgcp_request::cmd, mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, mgcp_subchannel::cxident, dump_cmd_queues(), find_command(), get_csv(), get_header(), mgcp_endpoint::hookstate, mgcp_subchannel::id, len(), mgcp_request::lines, LOG_NOTICE, LOG_WARNING, MGCP_CMD_AUEP, MGCP_CMD_CRCX, MGCP_CMD_MDCX, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_queue_hangup(), mgcp_endpoint::name, mgcp_gateway::name, mgcp_subchannel::next, mgcp_subchannel::owner, mgcp_endpoint::parent, process_sdp(), mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, mgcp_endpoint::slowsequence, start_rtp(), mgcp_endpoint::sub, mgcp_subchannel::tmpdest, transmit_connection_del(), transmit_connection_del_w_params(), transmit_modify_with_sdp(), transmit_notify_request(), and transmit_response().
Referenced by mgcpsock_read(), and retrans_pkt().
02760 { 02761 char *c; 02762 struct mgcp_request *req; 02763 struct mgcp_gateway *gw = p->parent; 02764 02765 if (result < 200) { 02766 /* provisional response */ 02767 return; 02768 } 02769 02770 if (p->slowsequence) 02771 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02772 else if (sub) 02773 req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident); 02774 else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident))) 02775 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02776 02777 if (!req) { 02778 ast_verb(3, "No command found on [%s] for transaction %u. Ignoring...\n", 02779 gw->name, ident); 02780 return; 02781 } 02782 02783 if (p && (result >= 400) && (result <= 599)) { 02784 switch (result) { 02785 case 401: 02786 p->hookstate = MGCP_OFFHOOK; 02787 break; 02788 case 402: 02789 p->hookstate = MGCP_ONHOOK; 02790 break; 02791 case 406: 02792 ast_log(LOG_NOTICE, "Transaction %u timed out\n", ident); 02793 break; 02794 case 407: 02795 ast_log(LOG_NOTICE, "Transaction %u aborted\n", ident); 02796 break; 02797 } 02798 if (sub) { 02799 if (!sub->cxident[0] && (req->cmd == MGCP_CMD_CRCX)) { 02800 ast_log(LOG_NOTICE, "DLCX for all connections on %s due to error %d\n", gw->name, result); 02801 transmit_connection_del(sub); 02802 } 02803 if (sub->owner) { 02804 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02805 result, p->name, p->parent->name, sub ? sub->id:-1); 02806 mgcp_queue_hangup(sub); 02807 } 02808 } else { 02809 if (p->sub->next->owner) { 02810 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02811 result, p->name, p->parent->name, sub ? sub->id:-1); 02812 mgcp_queue_hangup(p->sub); 02813 } 02814 02815 if (p->sub->owner) { 02816 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02817 result, p->name, p->parent->name, sub ? sub->id:-1); 02818 mgcp_queue_hangup(p->sub); 02819 } 02820 02821 dump_cmd_queues(p, NULL); 02822 } 02823 } 02824 02825 if (resp) { 02826 /* responseAck: */ 02827 if (result == 200 && (req->cmd == MGCP_CMD_CRCX || req->cmd == MGCP_CMD_MDCX)) { 02828 if (sub) { 02829 transmit_response(sub, "000", resp, "OK"); 02830 if (sub->owner && sub->owner->_state == AST_STATE_RINGING) { 02831 ast_queue_control(sub->owner, AST_CONTROL_RINGING); 02832 } 02833 } 02834 } 02835 if (req->cmd == MGCP_CMD_CRCX) { 02836 if ((c = get_header(resp, "I"))) { 02837 if (!ast_strlen_zero(c) && sub) { 02838 /* if we are hanging up do not process this conn. */ 02839 if (sub->owner) { 02840 if (!ast_strlen_zero(sub->cxident)) { 02841 if (strcasecmp(c, sub->cxident)) { 02842 ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c); 02843 } 02844 } 02845 ast_copy_string(sub->cxident, c, sizeof(sub->cxident)); 02846 if (sub->tmpdest.sin_addr.s_addr) { 02847 transmit_modify_with_sdp(sub, NULL, 0); 02848 } 02849 } else { 02850 /* XXX delete this one 02851 callid and conn id may already be lost. 02852 so the following del conn may have a side effect of 02853 cleaning up the next subchannel */ 02854 transmit_connection_del(sub); 02855 } 02856 } 02857 } 02858 } 02859 02860 if (req->cmd == MGCP_CMD_AUEP) { 02861 /* check stale connection ids */ 02862 if ((c = get_header(resp, "I"))) { 02863 char *v, *n; 02864 int len; 02865 while ((v = get_csv(c, &len, &n))) { 02866 if (len) { 02867 if (strncasecmp(v, p->sub->cxident, len) && 02868 strncasecmp(v, p->sub->next->cxident, len)) { 02869 /* connection id not found. delete it */ 02870 char cxident[80] = ""; 02871 02872 if (len > (sizeof(cxident) - 1)) 02873 len = sizeof(cxident) - 1; 02874 ast_copy_string(cxident, v, len); 02875 ast_verb(3, "Non existing connection id %s on %s@%s \n", 02876 cxident, p->name, gw->name); 02877 transmit_connection_del_w_params(p, NULL, cxident); 02878 } 02879 } 02880 c = n; 02881 } 02882 } 02883 02884 /* Try to determine the hookstate returned from an audit endpoint command */ 02885 if ((c = get_header(resp, "ES"))) { 02886 if (!ast_strlen_zero(c)) { 02887 if (strstr(c, "hu")) { 02888 if (p->hookstate != MGCP_ONHOOK) { 02889 /* XXX cleanup if we think we are offhook XXX */ 02890 if ((p->sub->owner || p->sub->next->owner ) && 02891 p->hookstate == MGCP_OFFHOOK) 02892 mgcp_queue_hangup(sub); 02893 p->hookstate = MGCP_ONHOOK; 02894 02895 /* update the requested events according to the new hookstate */ 02896 transmit_notify_request(p->sub, ""); 02897 02898 ast_verb(3, "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name); 02899 } 02900 } else if (strstr(c, "hd")) { 02901 if (p->hookstate != MGCP_OFFHOOK) { 02902 p->hookstate = MGCP_OFFHOOK; 02903 02904 /* update the requested events according to the new hookstate */ 02905 transmit_notify_request(p->sub, ""); 02906 02907 ast_verb(3, "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name); 02908 } 02909 } 02910 } 02911 } 02912 } 02913 02914 if (resp && resp->lines) { 02915 /* do not process sdp if we are hanging up. this may be a late response */ 02916 if (sub && sub->owner) { 02917 if (!sub->rtp) 02918 start_rtp(sub); 02919 if (sub->rtp) 02920 process_sdp(sub, resp); 02921 } 02922 } 02923 } 02924 02925 ast_free(req); 02926 }
static int has_voicemail | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 492 of file chan_mgcp.c.
References ast_app_has_voicemail(), ast_event_destroy(), ast_event_get_cached(), ast_event_get_ie_uint(), AST_EVENT_IE_CONTEXT, AST_EVENT_IE_END, AST_EVENT_IE_MAILBOX, AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_STR, AST_EVENT_MWI, ast_strdupa, ast_strlen_zero(), mgcp_endpoint::mailbox, and mbox().
Referenced by do_monitor(), handle_hd_hf(), handle_request(), mgcp_hangup(), and mgcp_request().
00493 { 00494 int new_msgs; 00495 struct ast_event *event; 00496 char *mbox, *cntx; 00497 00498 cntx = mbox = ast_strdupa(p->mailbox); 00499 strsep(&cntx, "@"); 00500 if (ast_strlen_zero(cntx)) 00501 cntx = "default"; 00502 00503 event = ast_event_get_cached(AST_EVENT_MWI, 00504 AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mbox, 00505 AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, cntx, 00506 AST_EVENT_IE_END); 00507 00508 if (event) { 00509 new_msgs = ast_event_get_ie_uint(event, AST_EVENT_IE_NEWMSGS); 00510 ast_event_destroy(event); 00511 } else 00512 new_msgs = ast_app_has_voicemail(p->mailbox, NULL); 00513 00514 return new_msgs; 00515 }
static int init_req | ( | struct mgcp_endpoint * | p, | |
struct mgcp_request * | req, | |||
char * | verb, | |||
unsigned int | oseq | |||
) | [static] |
Definition at line 2108 of file chan_mgcp.c.
References ast_log(), mgcp_request::data, mgcp_request::header, mgcp_request::headers, mgcp_gateway::isnamedottedip, mgcp_request::len, LOG_WARNING, MGCP_MAX_HEADERS, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, and mgcp_endpoint::parent.
Referenced by reqprep().
02109 { 02110 /* Initialize a response */ 02111 if (req->headers || req->len) { 02112 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 02113 return -1; 02114 } 02115 req->header[req->headers] = req->data + req->len; 02116 /* check if we need brackets around the gw name */ 02117 if (p->parent->isnamedottedip) { 02118 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %u %s@[%s] MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : ""); 02119 } else { 02120 + snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %u %s@%s MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : ""); 02121 } 02122 req->len += strlen(req->header[req->headers]); 02123 if (req->headers < MGCP_MAX_HEADERS) { 02124 req->headers++; 02125 } else { 02126 ast_log(LOG_WARNING, "Out of header space\n"); 02127 } 02128 return 0; 02129 }
static int init_resp | ( | struct mgcp_request * | req, | |
char * | resp, | |||
struct mgcp_request * | orig, | |||
char * | resprest | |||
) | [static] |
Definition at line 2090 of file chan_mgcp.c.
References ast_log(), mgcp_request::data, mgcp_request::header, mgcp_request::headers, mgcp_request::identifier, mgcp_request::len, LOG_WARNING, and MGCP_MAX_HEADERS.
Referenced by respprep().
02091 { 02092 /* Initialize a response */ 02093 if (req->headers || req->len) { 02094 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 02095 return -1; 02096 } 02097 req->header[req->headers] = req->data + req->len; 02098 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest); 02099 req->len += strlen(req->header[req->headers]); 02100 if (req->headers < MGCP_MAX_HEADERS) { 02101 req->headers++; 02102 } else { 02103 ast_log(LOG_WARNING, "Out of header space\n"); 02104 } 02105 return 0; 02106 }
static int load_module | ( | void | ) | [static] |
load_module: PBX load module - initialization ---
Definition at line 4794 of file chan_mgcp.c.
References ast_channel_register(), ast_cli_register_multiple(), ast_log(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_rtp_glue_register, io_context_create(), io_context_destroy(), LOG_ERROR, LOG_WARNING, reload_config(), restart_monitor(), sched_context_create(), and sched_context_destroy().
04795 { 04796 if (!(sched = sched_context_create())) { 04797 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 04798 return AST_MODULE_LOAD_FAILURE; 04799 } 04800 04801 if (!(io = io_context_create())) { 04802 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 04803 sched_context_destroy(sched); 04804 return AST_MODULE_LOAD_FAILURE; 04805 } 04806 04807 if (reload_config(0)) 04808 return AST_MODULE_LOAD_DECLINE; 04809 04810 /* Make sure we can register our mgcp channel type */ 04811 if (ast_channel_register(&mgcp_tech)) { 04812 ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n"); 04813 io_context_destroy(io); 04814 sched_context_destroy(sched); 04815 return AST_MODULE_LOAD_FAILURE; 04816 } 04817 04818 ast_rtp_glue_register(&mgcp_rtp_glue); 04819 ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04820 04821 /* And start the monitor for the first time */ 04822 restart_monitor(); 04823 04824 return AST_MODULE_LOAD_SUCCESS; 04825 }
static int mgcp_alloc_pktcgate | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2416 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_pktccops_gate_alloc(), mgcp_subchannel::gate, cops_gate::gate_open, GATE_SET, mgcp_pktcgate_open(), mgcp_pktcgate_remove(), mgcp_endpoint::parent, mgcp_subchannel::parent, and cops_gate::tech_pvt.
Referenced by start_rtp().
02417 { 02418 struct mgcp_endpoint *p = sub->parent; 02419 sub->gate = ast_pktccops_gate_alloc(GATE_SET, NULL, ntohl(p->parent->addr.sin_addr.s_addr), 02420 8, 128000, 232, 0, 0, NULL, &mgcp_pktcgate_remove); 02421 02422 if (!sub->gate) { 02423 return 0; 02424 } 02425 sub->gate->tech_pvt = sub; 02426 sub->gate->gate_open = &mgcp_pktcgate_open; 02427 return 1; 02428 }
static int mgcp_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1177 of file chan_mgcp.c.
References ast_channel::_state, ast_debug, ast_mutex_lock, ast_mutex_unlock, ast_setstate(), AST_STATE_UP, ast_verb, mgcp_subchannel::cxmode, mgcp_subchannel::id, mgcp_subchannel::lock, MGCP_CX_SENDRECV, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), ast_channel::tech_pvt, transmit_modify_request(), and transmit_notify_request().
01178 { 01179 int res = 0; 01180 struct mgcp_subchannel *sub = ast->tech_pvt; 01181 struct mgcp_endpoint *p = sub->parent; 01182 01183 ast_mutex_lock(&sub->lock); 01184 sub->cxmode = MGCP_CX_SENDRECV; 01185 if (!sub->rtp) { 01186 start_rtp(sub); 01187 } else { 01188 transmit_modify_request(sub); 01189 } 01190 ast_verb(3, "MGCP mgcp_answer(%s) on %s@%s-%d\n", 01191 ast->name, p->name, p->parent->name, sub->id); 01192 if (ast->_state != AST_STATE_UP) { 01193 ast_setstate(ast, AST_STATE_UP); 01194 ast_debug(1, "mgcp_answer(%s)\n", ast->name); 01195 transmit_notify_request(sub, ""); 01196 transmit_modify_request(sub); 01197 } 01198 ast_mutex_unlock(&sub->lock); 01199 return res; 01200 }
static int mgcp_call | ( | struct ast_channel * | ast, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
Definition at line 837 of file chan_mgcp.c.
References ast_channel::_state, ast_copy_string(), ast_debug, AST_LIST_TRAVERSE, ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RINGING, ast_strlen_zero(), ast_var_name(), ast_var_value(), mgcp_subchannel::callid, ast_channel::connected, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, ast_party_connected_line::id, mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, MGCP_CX_RECVONLY, MGCP_CX_SENDRECV, MGCP_OFFHOOK, MGCP_ONHOOK, ast_party_id::name, mgcp_endpoint::ncs, mgcp_subchannel::next, ast_party_id::number, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_subchannel::parent, mgcp_subchannel::rtp, S_COR, start_rtp(), ast_party_name::str, ast_party_number::str, ast_channel::tech_pvt, transmit_modify_request(), transmit_notify_request_with_callerid(), mgcp_endpoint::type, TYPE_LINE, ast_party_name::valid, ast_party_number::valid, and ast_channel::varshead.
00838 { 00839 int res; 00840 struct mgcp_endpoint *p; 00841 struct mgcp_subchannel *sub; 00842 char tone[50] = ""; 00843 const char *distinctive_ring = NULL; 00844 struct varshead *headp; 00845 struct ast_var_t *current; 00846 00847 ast_debug(3, "MGCP mgcp_call(%s)\n", ast->name); 00848 sub = ast->tech_pvt; 00849 p = sub->parent; 00850 headp = &ast->varshead; 00851 AST_LIST_TRAVERSE(headp,current,entries) { 00852 /* Check whether there is an ALERT_INFO variable */ 00853 if (strcasecmp(ast_var_name(current),"ALERT_INFO") == 0) { 00854 distinctive_ring = ast_var_value(current); 00855 } 00856 } 00857 00858 ast_mutex_lock(&sub->lock); 00859 switch (p->hookstate) { 00860 case MGCP_OFFHOOK: 00861 if (!ast_strlen_zero(distinctive_ring)) { 00862 snprintf(tone, sizeof(tone), "L/wt%s", distinctive_ring); 00863 ast_debug(3, "MGCP distinctive callwait %s\n", tone); 00864 } else { 00865 ast_copy_string(tone, (p->ncs ? "L/wt1" : "L/wt"), sizeof(tone)); 00866 ast_debug(3, "MGCP normal callwait %s\n", tone); 00867 } 00868 break; 00869 case MGCP_ONHOOK: 00870 default: 00871 if (!ast_strlen_zero(distinctive_ring)) { 00872 snprintf(tone, sizeof(tone), "L/r%s", distinctive_ring); 00873 ast_debug(3, "MGCP distinctive ring %s\n", tone); 00874 } else { 00875 ast_copy_string(tone, "L/rg", sizeof(tone)); 00876 ast_debug(3, "MGCP default ring\n"); 00877 } 00878 break; 00879 } 00880 00881 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 00882 ast_log(LOG_WARNING, "mgcp_call called on %s, neither down nor reserved\n", ast->name); 00883 ast_mutex_unlock(&sub->lock); 00884 return -1; 00885 } 00886 00887 res = 0; 00888 sub->outgoing = 1; 00889 sub->cxmode = MGCP_CX_RECVONLY; 00890 ast_setstate(ast, AST_STATE_RINGING); 00891 if (p->type == TYPE_LINE) { 00892 if (!sub->rtp) { 00893 start_rtp(sub); 00894 } else { 00895 transmit_modify_request(sub); 00896 } 00897 00898 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00899 /* try to prevent a callwait from disturbing the other connection */ 00900 sub->next->cxmode = MGCP_CX_RECVONLY; 00901 transmit_modify_request(sub->next); 00902 } 00903 00904 transmit_notify_request_with_callerid(sub, tone, 00905 S_COR(ast->connected.id.number.valid, ast->connected.id.number.str, ""), 00906 S_COR(ast->connected.id.name.valid, ast->connected.id.name.str, "")); 00907 ast_setstate(ast, AST_STATE_RINGING); 00908 00909 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00910 /* Put the connection back in sendrecv */ 00911 sub->next->cxmode = MGCP_CX_SENDRECV; 00912 transmit_modify_request(sub->next); 00913 } 00914 } else { 00915 ast_log(LOG_NOTICE, "Don't know how to dial on trunks yet\n"); 00916 res = -1; 00917 } 00918 ast_mutex_unlock(&sub->lock); 00919 return res; 00920 }
static int mgcp_devicestate | ( | void * | data | ) | [static] |
mgcp_devicestate: channel callback for device status monitoring
data | tech/resource name of MGCP device to query |
Callback for device state management in channel subsystem to obtain device status (up/down) of a specific MGCP endpoint
Definition at line 1362 of file chan_mgcp.c.
References AST_DEVICE_INVALID, AST_DEVICE_UNKNOWN, ast_mutex_lock, ast_mutex_unlock, ast_strdupa, mgcp_gateway::endpoints, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_endpoint::next, and mgcp_gateway::next.
01363 { 01364 struct mgcp_gateway *g; 01365 struct mgcp_endpoint *e = NULL; 01366 char *tmp, *endpt, *gw; 01367 int ret = AST_DEVICE_INVALID; 01368 01369 endpt = ast_strdupa(data); 01370 if ((tmp = strchr(endpt, '@'))) { 01371 *tmp++ = '\0'; 01372 gw = tmp; 01373 } else 01374 goto error; 01375 01376 ast_mutex_lock(&gatelock); 01377 for (g = gateways; g; g = g->next) { 01378 if (strcasecmp(g->name, gw) == 0) { 01379 e = g->endpoints; 01380 break; 01381 } 01382 } 01383 01384 if (!e) 01385 goto error; 01386 01387 for (; e; e = e->next) { 01388 if (strcasecmp(e->name, endpt) == 0) { 01389 break; 01390 } 01391 } 01392 01393 if (!e) 01394 goto error; 01395 01396 /* 01397 * As long as the gateway/endpoint is valid, we'll 01398 * assume that the device is available and its state 01399 * can be tracked. 01400 */ 01401 ret = AST_DEVICE_UNKNOWN; 01402 01403 error: 01404 ast_mutex_unlock(&gatelock); 01405 return ret; 01406 }
static int mgcp_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1284 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock, ast_mutex_unlock, mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, mgcp_subchannel::owner, and ast_channel::tech_pvt.
01285 { 01286 struct mgcp_subchannel *sub = newchan->tech_pvt; 01287 01288 ast_mutex_lock(&sub->lock); 01289 ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", oldchan->name, newchan->name); 01290 if (sub->owner != oldchan) { 01291 ast_mutex_unlock(&sub->lock); 01292 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner); 01293 return -1; 01294 } 01295 sub->owner = newchan; 01296 ast_mutex_unlock(&sub->lock); 01297 return 0; 01298 }
static format_t mgcp_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 4442 of file chan_mgcp.c.
References mgcp_endpoint::capability, mgcp_subchannel::parent, and ast_channel::tech_pvt.
04443 { 04444 struct mgcp_subchannel *sub = chan->tech_pvt; 04445 struct mgcp_endpoint *p = sub->parent; 04446 return p->capability; 04447 }
static enum ast_rtp_glue_result mgcp_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp_instance ** | instance | |||
) | [static] |
Definition at line 4415 of file chan_mgcp.c.
References ao2_ref, AST_RTP_GLUE_RESULT_FORBID, AST_RTP_GLUE_RESULT_LOCAL, AST_RTP_GLUE_RESULT_REMOTE, mgcp_endpoint::directmedia, mgcp_subchannel::parent, mgcp_subchannel::rtp, and ast_channel::tech_pvt.
04416 { 04417 struct mgcp_subchannel *sub = NULL; 04418 04419 if (!(sub = chan->tech_pvt) || !(sub->rtp)) 04420 return AST_RTP_GLUE_RESULT_FORBID; 04421 04422 *instance = sub->rtp ? ao2_ref(sub->rtp, +1), sub->rtp : NULL; 04423 04424 if (sub->parent->directmedia) 04425 return AST_RTP_GLUE_RESULT_REMOTE; 04426 else 04427 return AST_RTP_GLUE_RESULT_LOCAL; 04428 }
static int mgcp_hangup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 922 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_bridged_channel(), ast_debug, ast_dsp_free(), ast_module_unref(), ast_mutex_lock, ast_mutex_unlock, ast_pktccops_gate_alloc(), ast_rtp_instance_destroy(), ast_strlen_zero(), ast_verb, ast_channel::caller, mgcp_subchannel::callid, mgcp_endpoint::callwaiting, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, cops_gate::deltimer, mgcp_endpoint::dsp, mgcp_endpoint::dtmf_buf, mgcp_endpoint::dtmfmode, mgcp_subchannel::gate, GATE_ALLOC_PROGRESS, GATE_ALLOCATED, GATE_DEL, cops_gate::gate_open, cops_gate::gate_remove, cops_gate::got_dq_gi, has_voicemail(), mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::hookstate, ast_party_caller::id, mgcp_subchannel::lock, mgcp_subchannel::magic, MGCP_CX_INACTIVE, MGCP_CX_RECVONLY, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_OFFHOOK, MGCP_ONHOOK, MGCP_SUBCHANNEL_MAGIC, ast_party_id::name, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, mgcp_subchannel::next, ast_party_id::number, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_endpoint::pktcgatealloc, mgcp_subchannel::rtp, S_COR, cops_gate::state, ast_party_name::str, ast_party_number::str, mgcp_endpoint::sub, cops_gate::tech_pvt, ast_channel::tech_pvt, mgcp_subchannel::tmpdest, transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), transmit_notify_request_with_callerid(), ast_party_name::valid, and ast_party_number::valid.
00923 { 00924 struct mgcp_subchannel *sub = ast->tech_pvt; 00925 struct mgcp_endpoint *p = sub->parent; 00926 struct ast_channel *bridged; 00927 00928 ast_debug(1, "mgcp_hangup(%s)\n", ast->name); 00929 if (!ast->tech_pvt) { 00930 ast_debug(1, "Asked to hangup channel not connected\n"); 00931 return 0; 00932 } 00933 if (strcmp(sub->magic, MGCP_SUBCHANNEL_MAGIC)) { 00934 ast_debug(1, "Invalid magic. MGCP subchannel freed up already.\n"); 00935 return 0; 00936 } 00937 ast_mutex_lock(&sub->lock); 00938 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s\n", ast->name, p->name, p->parent->name); 00939 00940 if ((p->dtmfmode & MGCP_DTMF_INBAND) && p->dsp) { 00941 /* check whether other channel is active. */ 00942 if (!sub->next->owner) { 00943 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 00944 p->dtmfmode &= ~MGCP_DTMF_INBAND; 00945 } 00946 ast_debug(2, "MGCP free dsp on %s@%s\n", p->name, p->parent->name); 00947 ast_dsp_free(p->dsp); 00948 p->dsp = NULL; 00949 } 00950 } 00951 00952 sub->owner = NULL; 00953 00954 /* for deleting gate */ 00955 if (p->pktcgatealloc && sub->gate) { 00956 sub->gate->gate_open = NULL; 00957 sub->gate->gate_remove = NULL; 00958 sub->gate->got_dq_gi = NULL; 00959 sub->gate->tech_pvt = NULL; 00960 if (sub->gate->state == GATE_ALLOC_PROGRESS || sub->gate->state == GATE_ALLOCATED) { 00961 ast_pktccops_gate_alloc(GATE_DEL, sub->gate, 0, 0, 0, 0, 0, 0, NULL, NULL); 00962 } else { 00963 sub->gate->deltimer = time(NULL) + 5; 00964 } 00965 sub->gate = NULL; 00966 } 00967 00968 if (!ast_strlen_zero(sub->cxident)) { 00969 transmit_connection_del(sub); 00970 } 00971 sub->cxident[0] = '\0'; 00972 if ((sub == p->sub) && sub->next->owner) { 00973 if (p->hookstate == MGCP_OFFHOOK) { 00974 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00975 /* ncs fix! */ 00976 bridged = ast_bridged_channel(sub->next->owner); 00977 transmit_notify_request_with_callerid(p->sub, (p->ncs ? "L/wt1" : "L/wt"), 00978 S_COR(bridged->caller.id.number.valid, bridged->caller.id.number.str, ""), 00979 S_COR(bridged->caller.id.name.valid, bridged->caller.id.name.str, "")); 00980 } 00981 } else { 00982 /* set our other connection as the primary and swith over to it */ 00983 p->sub = sub->next; 00984 p->sub->cxmode = MGCP_CX_RECVONLY; 00985 transmit_modify_request(p->sub); 00986 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00987 bridged = ast_bridged_channel(sub->next->owner); 00988 transmit_notify_request_with_callerid(p->sub, "L/rg", 00989 S_COR(bridged->caller.id.number.valid, bridged->caller.id.number.str, ""), 00990 S_COR(bridged->caller.id.name.valid, bridged->caller.id.name.str, "")); 00991 } 00992 } 00993 00994 } else if ((sub == p->sub->next) && p->hookstate == MGCP_OFFHOOK) { 00995 transmit_notify_request(sub, p->ncs ? "" : "L/v"); 00996 } else if (p->hookstate == MGCP_OFFHOOK) { 00997 transmit_notify_request(sub, "L/ro"); 00998 } else { 00999 transmit_notify_request(sub, ""); 01000 } 01001 01002 ast->tech_pvt = NULL; 01003 sub->alreadygone = 0; 01004 sub->outgoing = 0; 01005 sub->cxmode = MGCP_CX_INACTIVE; 01006 sub->callid[0] = '\0'; 01007 if (p) { 01008 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 01009 } 01010 /* Reset temporary destination */ 01011 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 01012 if (sub->rtp) { 01013 ast_rtp_instance_destroy(sub->rtp); 01014 sub->rtp = NULL; 01015 } 01016 01017 ast_module_unref(ast_module_info->self); 01018 01019 if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) { 01020 p->hidecallerid = 0; 01021 if (p->hascallwaiting && !p->callwaiting) { 01022 ast_verb(3, "Enabling call waiting on %s\n", ast->name); 01023 p->callwaiting = -1; 01024 } 01025 if (has_voicemail(p)) { 01026 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n", 01027 ast->name, p->name, p->parent->name); 01028 transmit_notify_request(sub, "L/vmwi(+)"); 01029 } else { 01030 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n", 01031 ast->name, p->name, p->parent->name); 01032 transmit_notify_request(sub, "L/vmwi(-)"); 01033 } 01034 } 01035 ast_mutex_unlock(&sub->lock); 01036 return 0; 01037 }
static int mgcp_indicate | ( | struct ast_channel * | ast, | |
int | ind, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1440 of file chan_mgcp.c.
References AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_HOLD, AST_CONTROL_INCOMPLETE, AST_CONTROL_PROCEEDING, AST_CONTROL_PROGRESS, AST_CONTROL_RINGING, AST_CONTROL_SRCCHANGE, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, ast_debug, ast_log(), ast_moh_start(), ast_moh_stop(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_change_source(), ast_rtp_instance_update_source(), control2str(), mgcp_subchannel::lock, LOG_WARNING, mgcp_endpoint::ncs, mgcp_subchannel::parent, mgcp_subchannel::rtp, mgcp_subchannel::sdpsent, ast_channel::tech_pvt, transmit_modify_request(), and transmit_notify_request().
01441 { 01442 struct mgcp_subchannel *sub = ast->tech_pvt; 01443 int res = 0; 01444 01445 ast_debug(3, "MGCP asked to indicate %d '%s' condition on channel %s\n", 01446 ind, control2str(ind), ast->name); 01447 ast_mutex_lock(&sub->lock); 01448 switch(ind) { 01449 case AST_CONTROL_RINGING: 01450 #ifdef DLINK_BUGGY_FIRMWARE 01451 transmit_notify_request(sub, "rt"); 01452 #else 01453 if (!sub->sdpsent) { /* will hide the inband progress!!! */ 01454 transmit_notify_request(sub, sub->parent->ncs ? "L/rt" : "G/rt"); 01455 } 01456 #endif 01457 break; 01458 case AST_CONTROL_BUSY: 01459 transmit_notify_request(sub, "L/bz"); 01460 break; 01461 case AST_CONTROL_INCOMPLETE: 01462 /* We do not currently support resetting of the Interdigit Timer, so treat 01463 * Incomplete control frames as a congestion response 01464 */ 01465 case AST_CONTROL_CONGESTION: 01466 transmit_notify_request(sub, sub->parent->ncs ? "L/cg" : "G/cg"); 01467 break; 01468 case AST_CONTROL_HOLD: 01469 ast_moh_start(ast, data, NULL); 01470 break; 01471 case AST_CONTROL_UNHOLD: 01472 ast_moh_stop(ast); 01473 break; 01474 case AST_CONTROL_SRCUPDATE: 01475 ast_rtp_instance_update_source(sub->rtp); 01476 break; 01477 case AST_CONTROL_SRCCHANGE: 01478 ast_rtp_instance_change_source(sub->rtp); 01479 break; 01480 case AST_CONTROL_PROGRESS: 01481 case AST_CONTROL_PROCEEDING: 01482 transmit_modify_request(sub); 01483 case -1: 01484 transmit_notify_request(sub, ""); 01485 break; 01486 default: 01487 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind); 01488 res = -1; 01489 } 01490 ast_mutex_unlock(&sub->lock); 01491 return res; 01492 }
static struct ast_channel* mgcp_new | ( | struct mgcp_subchannel * | sub, | |
int | state, | |||
const char * | linkedid | |||
) | [static, read] |
Definition at line 1494 of file chan_mgcp.c.
References mgcp_endpoint::accountcode, mgcp_endpoint::adsi, ast_channel::adsicpe, ast_channel::amaflags, mgcp_endpoint::amaflags, ast_party_caller::ani, AST_ADSI_UNAVAILABLE, ast_best_codec(), ast_channel_alloc, ast_channel_set_fd(), ast_copy_string(), ast_dsp_new(), ast_dsp_set_digitmode(), ast_dsp_set_features(), ast_get_encoded_str(), ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), ast_rtp_instance_fd(), ast_state2str(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_set, ast_strlen_zero(), ast_verb, mgcp_endpoint::call_forward, ast_channel::caller, mgcp_endpoint::callgroup, ast_channel::callgroup, mgcp_endpoint::capability, mgcp_endpoint::chanvars, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, ast_channel::context, mgcp_endpoint::context, mgcp_endpoint::dsp, DSP_DIGITMODE_NOQUELCH, DSP_FEATURE_DIGIT_DETECT, mgcp_endpoint::dtmfmode, ast_channel::exten, mgcp_endpoint::exten, global_jbconf, mgcp_subchannel::id, mgcp_endpoint::language, LOG_WARNING, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, ast_variable::name, mgcp_gateway::name, mgcp_endpoint::name, ast_channel::nativeformats, ast_variable::next, ast_party_id::number, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, pbx_builtin_setvar_helper(), mgcp_endpoint::pickupgroup, ast_channel::pickupgroup, ast_channel::priority, ast_channel::rawreadformat, ast_channel::rawwriteformat, ast_channel::readformat, ast_channel::rings, mgcp_subchannel::rtp, ast_party_number::str, ast_channel::tech, ast_channel::tech_pvt, ast_party_number::valid, ast_variable::value, and ast_channel::writeformat.
Referenced by handle_hd_hf(), and mgcp_request().
01495 { 01496 struct ast_channel *tmp; 01497 struct ast_variable *v = NULL; 01498 struct mgcp_endpoint *i = sub->parent; 01499 int fmt; 01500 01501 tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, linkedid, i->accountcode, i->exten, i->context, i->amaflags, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id); 01502 if (tmp) { 01503 tmp->tech = &mgcp_tech; 01504 tmp->nativeformats = i->capability; 01505 if (!tmp->nativeformats) { 01506 tmp->nativeformats = capability; 01507 } 01508 fmt = ast_best_codec(tmp->nativeformats); 01509 if (sub->rtp) { 01510 ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(sub->rtp, 0)); 01511 } 01512 if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) { 01513 i->dsp = ast_dsp_new(); 01514 ast_dsp_set_features(i->dsp, DSP_FEATURE_DIGIT_DETECT); 01515 /* this is to prevent clipping of dtmf tones during dsp processing */ 01516 ast_dsp_set_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH); 01517 } else { 01518 i->dsp = NULL; 01519 } 01520 if (state == AST_STATE_RING) 01521 tmp->rings = 1; 01522 tmp->writeformat = fmt; 01523 tmp->rawwriteformat = fmt; 01524 tmp->readformat = fmt; 01525 tmp->rawreadformat = fmt; 01526 tmp->tech_pvt = sub; 01527 if (!ast_strlen_zero(i->language)) 01528 ast_string_field_set(tmp, language, i->language); 01529 if (!ast_strlen_zero(i->accountcode)) 01530 ast_string_field_set(tmp, accountcode, i->accountcode); 01531 if (i->amaflags) 01532 tmp->amaflags = i->amaflags; 01533 sub->owner = tmp; 01534 ast_module_ref(ast_module_info->self); 01535 tmp->callgroup = i->callgroup; 01536 tmp->pickupgroup = i->pickupgroup; 01537 ast_string_field_set(tmp, call_forward, i->call_forward); 01538 ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); 01539 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01540 01541 /* Don't use ast_set_callerid() here because it will 01542 * generate a needless NewCallerID event */ 01543 if (!ast_strlen_zero(i->cid_num)) { 01544 tmp->caller.ani.number.valid = 1; 01545 tmp->caller.ani.number.str = ast_strdup(i->cid_num); 01546 } 01547 01548 if (!i->adsi) { 01549 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01550 } 01551 tmp->priority = 1; 01552 01553 /* Set channel variables for this call from configuration */ 01554 for (v = i->chanvars ; v ; v = v->next) { 01555 char valuebuf[1024]; 01556 pbx_builtin_setvar_helper(tmp, v->name, ast_get_encoded_str(v->value, valuebuf, sizeof(valuebuf))); 01557 } 01558 01559 if (sub->rtp) { 01560 ast_jb_configure(tmp, &global_jbconf); 01561 } 01562 if (state != AST_STATE_DOWN) { 01563 if (ast_pbx_start(tmp)) { 01564 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01565 ast_hangup(tmp); 01566 tmp = NULL; 01567 } 01568 } 01569 ast_verb(3, "MGCP mgcp_new(%s) created in state: %s\n", 01570 tmp->name, ast_state2str(state)); 01571 } else { 01572 ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); 01573 } 01574 return tmp; 01575 }
static int mgcp_pktcgate_open | ( | struct cops_gate * | gate | ) | [static] |
Definition at line 2403 of file chan_mgcp.c.
References ast_debug, ast_mutex_lock, ast_mutex_unlock, cops_gate::gateid, mgcp_subchannel::lock, mgcp_subchannel::sdpsent, cops_gate::tech_pvt, and transmit_modify_with_sdp().
Referenced by mgcp_alloc_pktcgate().
02404 { 02405 struct mgcp_subchannel *sub = gate->tech_pvt; 02406 if (!sub) { 02407 return 1; 02408 } 02409 ast_mutex_lock(&sub->lock); 02410 ast_debug(1, "Pktc: gate 0x%x open\n", gate->gateid); 02411 if (!sub->sdpsent) transmit_modify_with_sdp(sub, NULL, 0); 02412 ast_mutex_unlock(&sub->lock); 02413 return 1; 02414 }
static int mgcp_pktcgate_remove | ( | struct cops_gate * | gate | ) | [static] |
Definition at line 2380 of file chan_mgcp.c.
References AST_CAUSE_REQUESTED_CHAN_UNAVAIL, ast_channel_unlock, ast_debug, ast_mutex_lock, ast_mutex_unlock, ast_softhangup(), mgcp_subchannel::gate, GATE_CLOSED, cops_gate::gateid, mgcp_endpoint::hangupongateremove, mgcp_subchannel::lock, mgcp_subchannel::owner, mgcp_subchannel::parent, cops_gate::state, and cops_gate::tech_pvt.
Referenced by mgcp_alloc_pktcgate().
02381 { 02382 struct mgcp_subchannel *sub = gate->tech_pvt; 02383 02384 if (!sub) { 02385 return 1; 02386 } 02387 02388 ast_mutex_lock(&sub->lock); 02389 ast_debug(1, "Pktc: gate 0x%x deleted\n", gate->gateid); 02390 if (sub->gate->state != GATE_CLOSED && sub->parent->hangupongateremove) { 02391 sub->gate = NULL; 02392 if (sub->owner) { 02393 ast_softhangup(sub->owner, AST_CAUSE_REQUESTED_CHAN_UNAVAIL); 02394 ast_channel_unlock(sub->owner); 02395 } 02396 } else { 02397 sub->gate = NULL; 02398 } 02399 ast_mutex_unlock(&sub->lock); 02400 return 1; 02401 }
static int mgcp_postrequest | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
char * | data, | |||
int | len, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 710 of file chan_mgcp.c.
References __mgcp_xmit(), ast_free, ast_malloc, ast_mutex_lock, ast_mutex_unlock, ast_sched_add(), ast_tvnow(), mgcp_message::buf, DEFAULT_RETRANS, mgcp_message::expire, mgcp_message::len, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_message::next, mgcp_message::owner_ep, mgcp_message::owner_sub, mgcp_endpoint::parent, mgcp_message::retrans, retrans_pkt(), mgcp_gateway::retransid, and mgcp_message::seqno.
Referenced by find_command(), and send_request().
00712 { 00713 struct mgcp_message *msg; 00714 struct mgcp_message *cur; 00715 struct mgcp_gateway *gw; 00716 struct timeval now; 00717 00718 if (!(msg = ast_malloc(sizeof(*msg) + len))) { 00719 return -1; 00720 } 00721 if (!(gw = ((p && p->parent) ? p->parent : NULL))) { 00722 ast_free(msg); 00723 return -1; 00724 } 00725 00726 msg->owner_sub = sub; 00727 msg->owner_ep = p; 00728 msg->seqno = seqno; 00729 msg->next = NULL; 00730 msg->len = len; 00731 msg->retrans = 0; 00732 memcpy(msg->buf, data, msg->len); 00733 00734 ast_mutex_lock(&gw->msgs_lock); 00735 for (cur = gw->msgs; cur && cur->next; cur = cur->next); 00736 if (cur) { 00737 cur->next = msg; 00738 } else { 00739 gw->msgs = msg; 00740 } 00741 00742 now = ast_tvnow(); 00743 msg->expire = now.tv_sec * 1000 + now.tv_usec / 1000 + DEFAULT_RETRANS; 00744 00745 if (gw->retransid == -1) 00746 gw->retransid = ast_sched_add(sched, DEFAULT_RETRANS, retrans_pkt, (void *)gw); 00747 ast_mutex_unlock(&gw->msgs_lock); 00748 __mgcp_xmit(gw, msg->buf, msg->len); 00749 /* XXX Should schedule retransmission XXX */ 00750 return 0; 00751 }
static int mgcp_prune_realtime_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 3716 of file chan_mgcp.c.
References ast_debug, ast_mutex_destroy, ast_mutex_lock, ast_mutex_trylock, ast_mutex_unlock, ast_strlen_zero(), mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, mgcp_subchannel::cxident, mgcp_endpoint::dsp, mgcp_gateway::endpoints, free, mgcp_subchannel::gate, mgcp_gateway::ha, mgcp_subchannel::lock, mgcp_endpoint::lock, MAX_SUBS, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_subchannel::next, mgcp_endpoint::next, mgcp_gateway::realtime, mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, and mgcp_endpoint::sub.
Referenced by do_monitor().
03717 { 03718 struct mgcp_endpoint *enext, *e; 03719 struct mgcp_subchannel *s, *sub; 03720 int i, prune = 1; 03721 03722 if (g->ha || !g->realtime || ast_mutex_trylock(&g->msgs_lock) || g->msgs) { 03723 ast_mutex_unlock(&g->msgs_lock); 03724 return 0; 03725 } 03726 03727 for (e = g->endpoints; e; e = e->next) { 03728 ast_mutex_lock(&e->lock); 03729 if (e->dsp || ast_mutex_trylock(&e->rqnt_queue_lock) || ast_mutex_trylock(&e->cmd_queue_lock)) { 03730 prune = 0; 03731 } else if (e->rqnt_queue || e->cmd_queue) { 03732 prune = 0; 03733 } 03734 s = e->sub; 03735 for (i = 0; (i < MAX_SUBS) && s; i++) { 03736 ast_mutex_lock(&s->lock); 03737 if (!ast_strlen_zero(s->cxident) || s->rtp || ast_mutex_trylock(&s->cx_queue_lock) || s->gate) { 03738 prune = 0; 03739 } else if (s->cx_queue) { 03740 prune = 0; 03741 } 03742 s = s->next; 03743 } 03744 } 03745 03746 for (e = g->endpoints, sub = e->sub, enext = e->next; e; e = enext, enext = e->next) { 03747 for (i = 0; (i < MAX_SUBS) && sub; i++) { 03748 s = sub; 03749 sub = sub->next; 03750 ast_mutex_unlock(&s->lock); 03751 ast_mutex_unlock(&s->cx_queue_lock); 03752 if (prune) { 03753 ast_mutex_destroy(&s->lock); 03754 ast_mutex_destroy(&s->cx_queue_lock); 03755 free(s); 03756 } 03757 } 03758 ast_mutex_unlock(&e->lock); 03759 ast_mutex_unlock(&e->rqnt_queue_lock); 03760 ast_mutex_unlock(&e->cmd_queue_lock); 03761 if (prune) { 03762 ast_mutex_destroy(&e->lock); 03763 ast_mutex_destroy(&e->rqnt_queue_lock); 03764 ast_mutex_destroy(&e->cmd_queue_lock); 03765 free(e); 03766 } 03767 } 03768 if (prune) { 03769 ast_debug(1, "***** MGCP REALTIME PRUNE GW: %s\n", g->name); 03770 } 03771 return prune; 03772 }
static void mgcp_queue_control | ( | struct mgcp_subchannel * | sub, | |
int | control | |||
) | [static] |
Definition at line 649 of file chan_mgcp.c.
References AST_FRAME_CONTROL, and mgcp_queue_frame().
Referenced by handle_hd_hf().
00650 { 00651 struct ast_frame f = { AST_FRAME_CONTROL, { control } }; 00652 return mgcp_queue_frame(sub, &f); 00653 }
static void mgcp_queue_frame | ( | struct mgcp_subchannel * | sub, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 615 of file chan_mgcp.c.
References ast_channel_trylock, ast_channel_unlock, ast_queue_frame(), DEADLOCK_AVOIDANCE, mgcp_subchannel::lock, and mgcp_subchannel::owner.
Referenced by handle_request(), and mgcp_queue_control().
00616 { 00617 for (;;) { 00618 if (sub->owner) { 00619 if (!ast_channel_trylock(sub->owner)) { 00620 ast_queue_frame(sub->owner, f); 00621 ast_channel_unlock(sub->owner); 00622 break; 00623 } else { 00624 DEADLOCK_AVOIDANCE(&sub->lock); 00625 } 00626 } else { 00627 break; 00628 } 00629 } 00630 }
static void mgcp_queue_hangup | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 632 of file chan_mgcp.c.
References ast_channel_trylock, ast_channel_unlock, ast_queue_hangup(), DEADLOCK_AVOIDANCE, mgcp_subchannel::lock, and mgcp_subchannel::owner.
Referenced by attempt_transfer(), destroy_endpoint(), handle_request(), handle_response(), and start_rtp().
00633 { 00634 for (;;) { 00635 if (sub->owner) { 00636 if (!ast_channel_trylock(sub->owner)) { 00637 ast_queue_hangup(sub->owner); 00638 ast_channel_unlock(sub->owner); 00639 break; 00640 } else { 00641 DEADLOCK_AVOIDANCE(&sub->lock); 00642 } 00643 } else { 00644 break; 00645 } 00646 } 00647 }
static struct ast_frame * mgcp_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1233 of file chan_mgcp.c.
References ast_mutex_lock, ast_mutex_unlock, f, mgcp_subchannel::lock, mgcp_rtp_read(), and ast_channel::tech_pvt.
01234 { 01235 struct ast_frame *f; 01236 struct mgcp_subchannel *sub = ast->tech_pvt; 01237 ast_mutex_lock(&sub->lock); 01238 f = mgcp_rtp_read(sub); 01239 ast_mutex_unlock(&sub->lock); 01240 return f; 01241 }
static char * mgcp_reload | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 4827 of file chan_mgcp.c.
References ast_cli_args::argc, ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_verbose, CLI_GENERATE, CLI_INIT, CLI_SUCCESS, ast_cli_entry::command, LOG_WARNING, restart_monitor(), and ast_cli_entry::usage.
Referenced by reload(), and unload_module().
04828 { 04829 static int deprecated = 0; 04830 04831 if (e) { 04832 switch (cmd) { 04833 case CLI_INIT: 04834 e->command = "mgcp reload"; 04835 e->usage = 04836 "Usage: mgcp reload\n" 04837 " 'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"; 04838 return NULL; 04839 case CLI_GENERATE: 04840 return NULL; 04841 } 04842 } 04843 04844 if (!deprecated && a && a->argc > 0) { 04845 ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"); 04846 deprecated = 1; 04847 } 04848 04849 ast_mutex_lock(&mgcp_reload_lock); 04850 if (mgcp_reloading) { 04851 ast_verbose("Previous mgcp reload not yet done\n"); 04852 } else { 04853 mgcp_reloading = 1; 04854 } 04855 ast_mutex_unlock(&mgcp_reload_lock); 04856 restart_monitor(); 04857 return CLI_SUCCESS; 04858 }
static struct ast_channel * mgcp_request | ( | const char * | type, | |
format_t | format, | |||
const struct ast_channel * | requestor, | |||
void * | data, | |||
int * | cause | |||
) | [static, read] |
Definition at line 3921 of file chan_mgcp.c.
References AST_CAUSE_BUSY, AST_CAUSE_UNREGISTERED, ast_copy_string(), ast_getformatname_multiple(), ast_log(), ast_mutex_unlock, AST_STATE_DOWN, ast_strlen_zero(), ast_verb, mgcp_endpoint::call_forward, mgcp_endpoint::callwaiting, mgcp_endpoint::dnd, find_subchannel_and_lock(), has_voicemail(), mgcp_endpoint::hookstate, mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, mgcp_new(), MGCP_ONHOOK, mgcp_subchannel::next, mgcp_subchannel::owner, mgcp_subchannel::parent, restart_monitor(), and transmit_notify_request().
03922 { 03923 struct mgcp_subchannel *sub; 03924 struct ast_channel *tmpc = NULL; 03925 char tmp[256]; 03926 char *dest = data; 03927 03928 format &= capability; 03929 if (!format) { 03930 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%s'\n", ast_getformatname_multiple(tmp, sizeof(tmp), format)); 03931 /*return NULL;*/ 03932 } 03933 ast_copy_string(tmp, dest, sizeof(tmp)); 03934 if (ast_strlen_zero(tmp)) { 03935 ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n"); 03936 return NULL; 03937 } 03938 if (!(sub = find_subchannel_and_lock(tmp, 0, NULL))) { 03939 ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp); 03940 *cause = AST_CAUSE_UNREGISTERED; 03941 return NULL; 03942 } 03943 03944 ast_verb(3, "MGCP mgcp_request(%s)\n", tmp); 03945 ast_verb(3, "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n", 03946 sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0); 03947 /* Must be busy */ 03948 if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) || 03949 ((!sub->parent->callwaiting) && (sub->owner)) || 03950 (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) { 03951 if (sub->parent->hookstate == MGCP_ONHOOK) { 03952 if (has_voicemail(sub->parent)) { 03953 transmit_notify_request(sub,"L/vmwi(+)"); 03954 } else { 03955 transmit_notify_request(sub,"L/vmwi(-)"); 03956 } 03957 } 03958 *cause = AST_CAUSE_BUSY; 03959 ast_mutex_unlock(&sub->lock); 03960 return NULL; 03961 } 03962 tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN, requestor ? requestor->linkedid : NULL); 03963 ast_mutex_unlock(&sub->lock); 03964 if (!tmpc) 03965 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp); 03966 restart_monitor(); 03967 return tmpc; 03968 }
static struct ast_frame* mgcp_rtp_read | ( | struct mgcp_subchannel * | sub | ) | [static, read] |
Definition at line 1202 of file chan_mgcp.c.
References ast_debug, ast_dsp_process(), AST_FRAME_DTMF, AST_FRAME_VOICE, ast_getformatname(), ast_log(), ast_null_frame, ast_rtp_instance_read(), ast_set_read_format(), ast_set_write_format(), ast_frame_subclass::codec, mgcp_endpoint::dsp, mgcp_endpoint::dtmfmode, f, ast_frame::frametype, LOG_NOTICE, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, ast_channel::nativeformats, mgcp_subchannel::owner, mgcp_subchannel::parent, ast_channel::readformat, mgcp_subchannel::rtp, ast_frame::subclass, and ast_channel::writeformat.
Referenced by mgcp_read().
01203 { 01204 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */ 01205 struct ast_frame *f; 01206 01207 f = ast_rtp_instance_read(sub->rtp, 0); 01208 /* Don't send RFC2833 if we're not supposed to */ 01209 if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833)) 01210 return &ast_null_frame; 01211 if (sub->owner) { 01212 /* We already hold the channel lock */ 01213 if (f->frametype == AST_FRAME_VOICE) { 01214 if (f->subclass.codec != sub->owner->nativeformats) { 01215 ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(f->subclass.codec)); 01216 sub->owner->nativeformats = f->subclass.codec; 01217 ast_set_read_format(sub->owner, sub->owner->readformat); 01218 ast_set_write_format(sub->owner, sub->owner->writeformat); 01219 } 01220 /* Courtesy fearnor aka alex@pilosoft.com */ 01221 if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) { 01222 #if 0 01223 ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n"); 01224 #endif 01225 f = ast_dsp_process(sub->owner, sub->parent->dsp, f); 01226 } 01227 } 01228 } 01229 return f; 01230 }
static int mgcp_senddigit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1300 of file chan_mgcp.c.
References ast_debug, ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_dtmf_begin(), mgcp_endpoint::dtmfmode, mgcp_subchannel::lock, LOG_ERROR, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, mgcp_subchannel::parent, mgcp_subchannel::rtp, and ast_channel::tech_pvt.
01301 { 01302 struct mgcp_subchannel *sub = ast->tech_pvt; 01303 struct mgcp_endpoint *p = sub->parent; 01304 int res = 0; 01305 01306 ast_mutex_lock(&sub->lock); 01307 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01308 ast_debug(1, "Sending DTMF using inband/hybrid\n"); 01309 res = -1; /* Let asterisk play inband indications */ 01310 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01311 ast_debug(1, "Sending DTMF using RFC2833\n"); 01312 ast_rtp_instance_dtmf_begin(sub->rtp, digit); 01313 } else { 01314 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01315 } 01316 ast_mutex_unlock(&sub->lock); 01317 01318 return res; 01319 }
static int mgcp_senddigit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1321 of file chan_mgcp.c.
References ast_debug, ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_dtmf_end(), mgcp_endpoint::dtmfmode, mgcp_subchannel::lock, LOG_ERROR, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, mgcp_endpoint::ncs, mgcp_subchannel::parent, mgcp_subchannel::rtp, ast_channel::tech_pvt, and transmit_notify_request().
01322 { 01323 struct mgcp_subchannel *sub = ast->tech_pvt; 01324 struct mgcp_endpoint *p = sub->parent; 01325 int res = 0; 01326 char tmp[4]; 01327 01328 ast_mutex_lock(&sub->lock); 01329 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01330 ast_debug(1, "Stopping DTMF using inband/hybrid\n"); 01331 res = -1; /* Tell Asterisk to stop inband indications */ 01332 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01333 ast_debug(1, "Stopping DTMF using RFC2833\n"); 01334 if (sub->parent->ncs) { 01335 tmp[0] = digit; 01336 tmp[1] = '\0'; 01337 } else { 01338 tmp[0] = 'D'; 01339 tmp[1] = '/'; 01340 tmp[2] = digit; 01341 tmp[3] = '\0'; 01342 } 01343 transmit_notify_request(sub, tmp); 01344 ast_rtp_instance_dtmf_end(sub->rtp, digit); 01345 } else { 01346 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01347 } 01348 ast_mutex_unlock(&sub->lock); 01349 01350 return res; 01351 }
static int mgcp_set_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp_instance * | rtp, | |||
struct ast_rtp_instance * | vrtp, | |||
struct ast_rtp_instance * | trtp, | |||
format_t | codecs, | |||
int | nat_active | |||
) | [static] |
Definition at line 4430 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_channel::tech_pvt, and transmit_modify_with_sdp().
04431 { 04432 /* XXX Is there such thing as video support with MGCP? XXX */ 04433 struct mgcp_subchannel *sub; 04434 sub = chan->tech_pvt; 04435 if (sub && !sub->alreadygone) { 04436 transmit_modify_with_sdp(sub, rtp, codecs); 04437 return 0; 04438 } 04439 return -1; 04440 }
static void* mgcp_ss | ( | void * | data | ) | [static] |
Definition at line 2961 of file chan_mgcp.c.
References ast_party_caller::ani, ast_bridged_channel(), ast_canmatch_extension(), ast_copy_string(), ast_db_put(), ast_debug, ast_exists_extension(), ast_hangup(), ast_ignore_pattern(), ast_indicate(), ast_log(), ast_masq_park_call_exten(), ast_matchmore_extension(), AST_MAX_EXTENSION, ast_parking_ext_valid(), ast_pbx_run(), ast_pickup_call(), ast_pickup_ext(), ast_safe_sleep(), ast_say_digit_str(), ast_set_callerid(), ast_setstate(), AST_STATE_RING, ast_strdup, ast_strlen_zero(), ast_verb, ast_waitfordigit(), mgcp_endpoint::call_forward, ast_channel::caller, mgcp_endpoint::callreturn, mgcp_endpoint::callwaiting, mgcp_endpoint::cancallforward, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, ast_channel::context, ast_channel::dialed, mgcp_endpoint::dnd, mgcp_endpoint::dtmf_buf, mgcp_endpoint::dtmfmode, exten, ast_channel::exten, mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, ast_party_caller::id, mgcp_endpoint::lastcallerid, len(), LOG_WARNING, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, mgcp_subchannel::next, ast_party_id::number, ast_party_dialed::number, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, ast_channel::rings, S_COR, start_rtp(), ast_party_number::str, ast_party_dialed::str, ast_channel::tech_pvt, transmit_notify_request(), and ast_party_number::valid.
Referenced by handle_hd_hf().
02962 { 02963 struct ast_channel *chan = data; 02964 struct mgcp_subchannel *sub = chan->tech_pvt; 02965 struct mgcp_endpoint *p = sub->parent; 02966 /* char exten[AST_MAX_EXTENSION] = ""; */ 02967 int len = 0; 02968 int timeout = firstdigittimeout; 02969 int res= 0; 02970 int getforward = 0; 02971 int loop_pause = 100; 02972 02973 len = strlen(p->dtmf_buf); 02974 02975 while (len < AST_MAX_EXTENSION - 1) { 02976 ast_debug(1, "Dtmf buffer '%s' for '%s@%s'\n", p->dtmf_buf, p->name, p->parent->name); 02977 res = 1; /* Assume that we will get a digit */ 02978 while (strlen(p->dtmf_buf) == len) { 02979 ast_safe_sleep(chan, loop_pause); 02980 timeout -= loop_pause; 02981 if (timeout <= 0){ 02982 res = 0; 02983 break; 02984 } 02985 res = 1; 02986 } 02987 02988 timeout = 0; 02989 len = strlen(p->dtmf_buf); 02990 02991 if (!ast_ignore_pattern(chan->context, p->dtmf_buf)) { 02992 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02993 ast_indicate(chan, -1); 02994 } else { 02995 /* XXX Redundant? We should already be playing dialtone */ 02996 /*tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/ 02997 transmit_notify_request(sub, "L/dl"); 02998 } 02999 if (ast_exists_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 03000 if (!res || !ast_matchmore_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 03001 if (getforward) { 03002 /* Record this as the forwarding extension */ 03003 ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward)); 03004 ast_verb(3, "Setting call forward to '%s' on channel %s\n", 03005 p->call_forward, chan->name); 03006 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03007 transmit_notify_request(sub, "L/sl"); 03008 if (res) 03009 break; 03010 usleep(500000); 03011 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 03012 ast_indicate(chan, -1); 03013 sleep(1); 03014 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03015 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/ 03016 transmit_notify_request(sub, "L/dl"); 03017 len = 0; 03018 getforward = 0; 03019 } else { 03020 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 03021 ast_indicate(chan, -1); 03022 ast_copy_string(chan->exten, p->dtmf_buf, sizeof(chan->exten)); 03023 chan->dialed.number.str = ast_strdup(p->dtmf_buf); 03024 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03025 ast_set_callerid(chan, 03026 p->hidecallerid ? "" : p->cid_num, 03027 p->hidecallerid ? "" : p->cid_name, 03028 chan->caller.ani.number.valid ? NULL : p->cid_num); 03029 ast_setstate(chan, AST_STATE_RING); 03030 /*dahdi_enable_ec(p);*/ 03031 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 03032 p->dtmfmode |= MGCP_DTMF_INBAND; 03033 ast_indicate(chan, -1); 03034 } 03035 res = ast_pbx_run(chan); 03036 if (res) { 03037 ast_log(LOG_WARNING, "PBX exited non-zero\n"); 03038 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03039 /*transmit_notify_request(p, "nbz", 1);*/ 03040 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03041 } 03042 return NULL; 03043 } 03044 } else { 03045 /* It's a match, but they just typed a digit, and there is an ambiguous match, 03046 so just set the timeout to matchdigittimeout and wait some more */ 03047 timeout = matchdigittimeout; 03048 } 03049 } else if (res == 0) { 03050 ast_debug(1, "not enough digits (and no ambiguous match)...\n"); 03051 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03052 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03053 /*dahdi_wait_event(p->subs[index].zfd);*/ 03054 ast_hangup(chan); 03055 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03056 return NULL; 03057 } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) { 03058 ast_verb(3, "Disabling call waiting on %s\n", chan->name); 03059 /* Disable call waiting if enabled */ 03060 p->callwaiting = 0; 03061 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03062 transmit_notify_request(sub, "L/sl"); 03063 len = 0; 03064 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03065 timeout = firstdigittimeout; 03066 } else if (!strcmp(p->dtmf_buf,ast_pickup_ext())) { 03067 /* Scan all channels and see if any there 03068 * ringing channqels with that have call groups 03069 * that equal this channels pickup group 03070 */ 03071 if (ast_pickup_call(chan)) { 03072 ast_log(LOG_WARNING, "No call pickup possible...\n"); 03073 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03074 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03075 } 03076 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03077 ast_hangup(chan); 03078 return NULL; 03079 } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) { 03080 ast_verb(3, "Disabling Caller*ID on %s\n", chan->name); 03081 /* Disable Caller*ID if enabled */ 03082 p->hidecallerid = 1; 03083 ast_set_callerid(chan, "", "", NULL); 03084 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03085 transmit_notify_request(sub, "L/sl"); 03086 len = 0; 03087 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03088 timeout = firstdigittimeout; 03089 } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) { 03090 res = 0; 03091 if (!ast_strlen_zero(p->lastcallerid)) { 03092 res = ast_say_digit_str(chan, p->lastcallerid, "", chan->language); 03093 } 03094 if (!res) 03095 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03096 transmit_notify_request(sub, "L/sl"); 03097 break; 03098 } else if (!strcmp(p->dtmf_buf, "*78")) { 03099 /* Do not disturb */ 03100 ast_verb(3, "Enabled DND on channel %s\n", chan->name); 03101 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03102 transmit_notify_request(sub, "L/sl"); 03103 p->dnd = 1; 03104 getforward = 0; 03105 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03106 len = 0; 03107 } else if (!strcmp(p->dtmf_buf, "*79")) { 03108 /* Do not disturb */ 03109 ast_verb(3, "Disabled DND on channel %s\n", chan->name); 03110 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03111 transmit_notify_request(sub, "L/sl"); 03112 p->dnd = 0; 03113 getforward = 0; 03114 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03115 len = 0; 03116 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) { 03117 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03118 transmit_notify_request(sub, "L/sl"); 03119 getforward = 1; 03120 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03121 len = 0; 03122 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) { 03123 ast_verb(3, "Cancelling call forwarding on channel %s\n", chan->name); 03124 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03125 transmit_notify_request(sub, "L/sl"); 03126 memset(p->call_forward, 0, sizeof(p->call_forward)); 03127 getforward = 0; 03128 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03129 len = 0; 03130 } else if (ast_parking_ext_valid(p->dtmf_buf, chan, chan->context) && 03131 sub->next->owner && ast_bridged_channel(sub->next->owner)) { 03132 /* This is a three way call, the main call being a real channel, 03133 and we're parking the first call. */ 03134 ast_masq_park_call_exten(ast_bridged_channel(sub->next->owner), chan, 03135 p->dtmf_buf, chan->context, 0, NULL); 03136 ast_verb(3, "Parking call to '%s'\n", chan->name); 03137 break; 03138 } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) { 03139 ast_verb(3, "Blacklisting number %s\n", p->lastcallerid); 03140 res = ast_db_put("blacklist", p->lastcallerid, "1"); 03141 if (!res) { 03142 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03143 transmit_notify_request(sub, "L/sl"); 03144 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03145 len = 0; 03146 } 03147 } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) { 03148 ast_verb(3, "Enabling Caller*ID on %s\n", chan->name); 03149 /* Enable Caller*ID if enabled */ 03150 p->hidecallerid = 0; 03151 ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); 03152 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03153 transmit_notify_request(sub, "L/sl"); 03154 len = 0; 03155 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03156 timeout = firstdigittimeout; 03157 } else if (!ast_canmatch_extension(chan, chan->context, p->dtmf_buf, 1, 03158 S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL)) 03159 && ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) { 03160 ast_debug(1, "Can't match %s from '%s' in context %s\n", p->dtmf_buf, 03161 S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, "<Unknown Caller>"), 03162 chan->context); 03163 break; 03164 } 03165 if (!timeout) 03166 timeout = gendigittimeout; 03167 if (len && !ast_ignore_pattern(chan->context, p->dtmf_buf)) 03168 /*tone_zone_play_tone(p->subs[index].zfd, -1);*/ 03169 ast_indicate(chan, -1); 03170 } 03171 #if 0 03172 for (;;) { 03173 res = ast_waitfordigit(chan, to); 03174 if (!res) { 03175 ast_debug(1, "Timeout...\n"); 03176 break; 03177 } 03178 if (res < 0) { 03179 ast_debug(1, "Got hangup...\n"); 03180 ast_hangup(chan); 03181 break; 03182 } 03183 exten[pos++] = res; 03184 if (!ast_ignore_pattern(chan->context, exten)) 03185 ast_indicate(chan, -1); 03186 if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) { 03187 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) 03188 to = 3000; 03189 else 03190 to = 8000; 03191 } else 03192 break; 03193 } 03194 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) { 03195 ast_copy_string(chan->exten, exten, sizeof(chan->exten)1); 03196 if (!p->rtp) { 03197 start_rtp(p); 03198 } 03199 ast_setstate(chan, AST_STATE_RING); 03200 chan->rings = 1; 03201 if (ast_pbx_run(chan)) { 03202 ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name); 03203 } else { 03204 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03205 return NULL; 03206 } 03207 } 03208 #endif 03209 ast_hangup(chan); 03210 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03211 return NULL; 03212 }
static int mgcp_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | frame | |||
) | [static] |
Definition at line 1243 of file chan_mgcp.c.
References ast_debug, AST_FRAME_IMAGE, AST_FRAME_VOICE, ast_getformatname(), ast_getformatname_multiple(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_rtp_instance_write(), ast_frame_subclass::codec, ast_frame::frametype, mgcp_subchannel::gate, GATE_ALLOCATED, mgcp_subchannel::lock, LOG_WARNING, ast_channel::nativeformats, mgcp_subchannel::parent, ast_channel::readformat, mgcp_subchannel::rtp, mgcp_subchannel::sdpsent, mgcp_endpoint::singlepath, cops_gate::state, mgcp_endpoint::sub, ast_frame::subclass, ast_channel::tech_pvt, transmit_modify_with_sdp(), and ast_channel::writeformat.
01244 { 01245 struct mgcp_subchannel *sub = ast->tech_pvt; 01246 int res = 0; 01247 char buf[256]; 01248 01249 if (frame->frametype != AST_FRAME_VOICE) { 01250 if (frame->frametype == AST_FRAME_IMAGE) 01251 return 0; 01252 else { 01253 ast_log(LOG_WARNING, "Can't send %u type frames with MGCP write\n", frame->frametype); 01254 return 0; 01255 } 01256 } else { 01257 if (!(frame->subclass.codec & ast->nativeformats)) { 01258 ast_log(LOG_WARNING, "Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n", 01259 ast_getformatname(frame->subclass.codec), 01260 ast_getformatname_multiple(buf, sizeof(buf), ast->nativeformats), 01261 ast_getformatname(ast->readformat), 01262 ast_getformatname(ast->writeformat)); 01263 /* return -1; */ 01264 } 01265 } 01266 if (sub) { 01267 ast_mutex_lock(&sub->lock); 01268 if (!sub->sdpsent && sub->gate) { 01269 if (sub->gate->state == GATE_ALLOCATED) { 01270 ast_debug(1, "GATE ALLOCATED, sending sdp\n"); 01271 transmit_modify_with_sdp(sub, NULL, 0); 01272 } 01273 } 01274 if ((sub->parent->sub == sub) || !sub->parent->singlepath) { 01275 if (sub->rtp) { 01276 res = ast_rtp_instance_write(sub->rtp, frame); 01277 } 01278 } 01279 ast_mutex_unlock(&sub->lock); 01280 } 01281 return res; 01282 }
static int mgcpsock_read | ( | int * | id, | |
int | fd, | |||
short | events, | |||
void * | ignore | |||
) | [static] |
Definition at line 3625 of file chan_mgcp.c.
References ast_debug, ast_free, ast_inet_ntoa(), ast_log(), ast_mutex_lock, ast_mutex_unlock, AST_SCHED_DEL, ast_strlen_zero(), mgcp_request::data, mgcp_request::endpoint, errno, find_and_retrans(), find_subchannel_and_lock(), handle_request(), handle_response(), mgcp_request::headers, mgcp_request::identifier, mgcp_request::len, len(), mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_message::next, mgcp_message::owner_ep, mgcp_message::owner_sub, mgcp_endpoint::parent, mgcp_subchannel::parent, parse(), mgcp_gateway::retransid, mgcp_message::seqno, mgcp_request::verb, and mgcp_request::version.
Referenced by do_monitor().
03626 { 03627 struct mgcp_request req; 03628 struct sockaddr_in sin; 03629 struct mgcp_subchannel *sub; 03630 int res; 03631 socklen_t len; 03632 int result; 03633 int ident; 03634 len = sizeof(sin); 03635 memset(&req, 0, sizeof(req)); 03636 res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len); 03637 if (res < 0) { 03638 if (errno != ECONNREFUSED) 03639 ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno)); 03640 return 1; 03641 } 03642 req.data[res] = '\0'; 03643 req.len = res; 03644 ast_debug(1, "MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 03645 parse(&req); 03646 if (req.headers < 1) { 03647 /* Must have at least one header */ 03648 return 1; 03649 } 03650 if (ast_strlen_zero(req.identifier)) { 03651 ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr)); 03652 return 1; 03653 } 03654 03655 if (sscanf(req.verb, "%30d", &result) && sscanf(req.identifier, "%30d", &ident)) { 03656 if (result < 200) { 03657 ast_debug(1, "Ignoring provisional response on transaction %d\n", ident); 03658 return 1; 03659 } 03660 /* Try to find who this message is for, if it's important */ 03661 sub = find_subchannel_and_lock(NULL, ident, &sin); 03662 if (sub) { 03663 struct mgcp_gateway *gw = sub->parent->parent; 03664 struct mgcp_message *cur, *prev; 03665 03666 ast_mutex_unlock(&sub->lock); 03667 ast_mutex_lock(&gw->msgs_lock); 03668 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 03669 if (cur->seqno == ident) { 03670 ast_debug(1, "Got response back on transaction %d\n", ident); 03671 if (prev) 03672 prev->next = cur->next; 03673 else 03674 gw->msgs = cur->next; 03675 break; 03676 } 03677 } 03678 03679 /* stop retrans timer if the queue is empty */ 03680 if (!gw->msgs) { 03681 AST_SCHED_DEL(sched, gw->retransid); 03682 } 03683 03684 ast_mutex_unlock(&gw->msgs_lock); 03685 if (cur) { 03686 handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req); 03687 ast_free(cur); 03688 return 1; 03689 } 03690 03691 ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n", 03692 gw->name, ident); 03693 } 03694 } else { 03695 if (ast_strlen_zero(req.endpoint) || 03696 ast_strlen_zero(req.version) || 03697 ast_strlen_zero(req.verb)) { 03698 ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n"); 03699 return 1; 03700 } 03701 /* Process request, with iflock held */ 03702 sub = find_subchannel_and_lock(req.endpoint, 0, &sin); 03703 if (sub) { 03704 /* look first to find a matching response in the queue */ 03705 if (!find_and_retrans(sub, &req)) 03706 /* pass the request off to the currently mastering subchannel */ 03707 handle_request(sub, &req, &sin); 03708 ast_mutex_unlock(&sub->lock); 03709 } 03710 } 03711 return 1; 03712 }
static void mwi_event_cb | ( | const struct ast_event * | event, | |
void * | userdata | |||
) | [static] |
Definition at line 484 of file chan_mgcp.c.
Referenced by build_gateway().
00485 { 00486 /* This module does not handle MWI in an event-based manner. However, it 00487 * subscribes to MWI for each mailbox that is configured so that the core 00488 * knows that we care about it. Then, chan_mgcp will get the MWI from the 00489 * event cache instead of checking the mailbox directly. */ 00490 }
static void parse | ( | struct mgcp_request * | req | ) | [static] |
Definition at line 1858 of file chan_mgcp.c.
References ast_debug, ast_log(), ast_strlen_zero(), mgcp_request::data, mgcp_request::endpoint, f, mgcp_request::header, mgcp_request::headers, mgcp_request::identifier, mgcp_request::line, mgcp_request::lines, LOG_WARNING, MGCP_MAX_HEADERS, MGCP_MAX_LINES, mgcp_request::verb, and mgcp_request::version.
Referenced by acf_jabberreceive_read(), acf_meetme_info(), add_agent(), app_exec(), aqm_exec(), ast_masq_park_call_exten(), ast_park_call_exten(), ast_parse_allow_disallow(), celgenuserevent_exec(), chanspy_exec(), conf_exec(), conf_run(), confbridge_exec(), config_function_read(), cut_internal(), dial_exec_full(), dictate_exec(), directory_exec(), dundi_query_read(), dundi_result_read(), dundifunc_read(), enum_query_read(), enum_result_read(), execif_exec(), expand_gosub_args(), extenspy_exec(), find_conf(), function_agent(), get_comma(), get_in_brackets_const(), get_in_brackets_full(), gosub_exec(), handle_statechange(), iconv_read(), isAnsweringMachine(), isexten_function_read(), log_exec(), login_exec(), man_do_variable_value(), mgcpsock_read(), mixmonitor_exec(), originate_exec(), oss_call(), oss_request(), page_exec(), park_call_exec(), parked_call_exec(), parse_cookies(), pbx_builtin_answer(), pbx_builtin_background(), pbx_builtin_waitexten(), pickupchan_exec(), play_moh_exec(), pqm_exec(), privacy_exec(), ql_exec(), queue_exec(), rcvfax_exec(), receivefax_exec(), record_exec(), reload_single_member(), retrydial_exec(), rqm_exec(), saycountedadj_exec(), saycountednoun_exec(), sayunixtime_exec(), sendfax_exec(), sip_acf_channel_read(), sla_trunk_exec(), smdi_msg_read(), smdi_msg_retrieve_read(), sms_exec(), sndfax_exec(), softhangup_exec(), speech_background(), srv_result_read(), start_moh_exec(), start_monitor_exec(), transfer_exec(), upqm_exec(), userevent_exec(), verbose_exec(), vm_execmain(), xfer_park_call_helper(), and zapateller_exec().
01859 { 01860 /* Divide fields by NULL's */ 01861 char *c; 01862 int f = 0; 01863 c = req->data; 01864 01865 /* First header starts immediately */ 01866 req->header[f] = c; 01867 for (; *c; c++) { 01868 if (*c == '\n') { 01869 /* We've got a new header */ 01870 *c = 0; 01871 ast_debug(3, "Header: %s (%d)\n", req->header[f], (int) strlen(req->header[f])); 01872 if (ast_strlen_zero(req->header[f])) { 01873 /* Line by itself means we're now in content */ 01874 c++; 01875 break; 01876 } 01877 if (f >= MGCP_MAX_HEADERS - 1) { 01878 ast_log(LOG_WARNING, "Too many MGCP headers...\n"); 01879 } else { 01880 f++; 01881 } 01882 req->header[f] = c + 1; 01883 } else if (*c == '\r') { 01884 /* Ignore but eliminate \r's */ 01885 *c = 0; 01886 } 01887 } 01888 /* Check for last header */ 01889 if (!ast_strlen_zero(req->header[f])) { 01890 f++; 01891 } 01892 req->headers = f; 01893 /* Now we process any mime content */ 01894 f = 0; 01895 req->line[f] = c; 01896 for (; *c; c++) { 01897 if (*c == '\n') { 01898 /* We've got a new line */ 01899 *c = 0; 01900 ast_debug(3, "Line: %s (%d)\n", req->line[f], (int) strlen(req->line[f])); 01901 if (f >= MGCP_MAX_LINES - 1) { 01902 ast_log(LOG_WARNING, "Too many SDP lines...\n"); 01903 } else { 01904 f++; 01905 } 01906 req->line[f] = c + 1; 01907 } else if (*c == '\r') { 01908 /* Ignore and eliminate \r's */ 01909 *c = 0; 01910 } 01911 } 01912 /* Check for last line */ 01913 if (!ast_strlen_zero(req->line[f])) { 01914 f++; 01915 } 01916 req->lines = f; 01917 /* Parse up the initial header */ 01918 c = req->header[0]; 01919 while (*c && *c < 33) c++; 01920 /* First the verb */ 01921 req->verb = c; 01922 while (*c && (*c > 32)) c++; 01923 if (*c) { 01924 *c = '\0'; 01925 c++; 01926 while (*c && (*c < 33)) c++; 01927 req->identifier = c; 01928 while (*c && (*c > 32)) c++; 01929 if (*c) { 01930 *c = '\0'; 01931 c++; 01932 while (*c && (*c < 33)) c++; 01933 req->endpoint = c; 01934 while (*c && (*c > 32)) c++; 01935 if (*c) { 01936 *c = '\0'; 01937 c++; 01938 while (*c && (*c < 33)) c++; 01939 req->version = c; 01940 while (*c && (*c > 32)) c++; 01941 while (*c && (*c < 33)) c++; 01942 while (*c && (*c > 32)) c++; 01943 *c = '\0'; 01944 } 01945 } 01946 } 01947 01948 ast_debug(1, "Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n", 01949 req->verb, req->identifier, req->endpoint, req->version); 01950 ast_debug(1, "%d headers, %d lines\n", req->headers, req->lines); 01951 if (*c) { 01952 ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c); 01953 } 01954 }
static int process_sdp | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 1956 of file chan_mgcp.c.
References ast_debug, ast_getformatname_multiple(), ast_gethostbyname(), ast_inet_ntoa(), ast_log(), ast_rtp_codecs_payload_formats(), ast_rtp_codecs_payloads_clear(), ast_rtp_codecs_payloads_set_m_type(), ast_rtp_codecs_payloads_set_rtpmap_type(), ast_rtp_instance_get_codecs(), ast_rtp_instance_set_remote_address(), ast_sockaddr_from_sin, ast_strdupa, ast_strlen_zero(), mgcp_endpoint::capability, get_sdp(), get_sdp_iterate(), hp, len(), LOG_WARNING, mgcp_endpoint::nonCodecCapability, mgcp_subchannel::parent, mgcp_subchannel::rtp, and sdpLineNum_iterator_init().
Referenced by handle_response().
01957 { 01958 char *m; 01959 char *c; 01960 char *a; 01961 char host[258]; 01962 int len = 0; 01963 int portno; 01964 format_t peercapability; 01965 int peerNonCodecCapability; 01966 struct sockaddr_in sin; 01967 struct ast_sockaddr sin_tmp; 01968 char *codecs; 01969 struct ast_hostent ahp; struct hostent *hp; 01970 int codec, codec_count=0; 01971 int iterator; 01972 struct mgcp_endpoint *p = sub->parent; 01973 char tmp1[256], tmp2[256], tmp3[256]; 01974 01975 /* Get codec and RTP info from SDP */ 01976 m = get_sdp(req, "m"); 01977 c = get_sdp(req, "c"); 01978 if (ast_strlen_zero(m) || ast_strlen_zero(c)) { 01979 ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c); 01980 return -1; 01981 } 01982 if (sscanf(c, "IN IP4 %256s", host) != 1) { 01983 ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c); 01984 return -1; 01985 } 01986 /* XXX This could block for a long time, and block the main thread! XXX */ 01987 hp = ast_gethostbyname(host, &ahp); 01988 if (!hp) { 01989 ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); 01990 return -1; 01991 } 01992 if (sscanf(m, "audio %30d RTP/AVP %n", &portno, &len) != 1 || !len) { 01993 ast_log(LOG_WARNING, "Malformed media stream descriptor: %s\n", m); 01994 return -1; 01995 } 01996 sin.sin_family = AF_INET; 01997 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01998 sin.sin_port = htons(portno); 01999 ast_sockaddr_from_sin(&sin_tmp, &sin); 02000 ast_rtp_instance_set_remote_address(sub->rtp, &sin_tmp); 02001 ast_debug(3, "Peer RTP is at port %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 02002 /* Scan through the RTP payload types specified in a "m=" line: */ 02003 ast_rtp_codecs_payloads_clear(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp); 02004 codecs = ast_strdupa(m + len); 02005 while (!ast_strlen_zero(codecs)) { 02006 if (sscanf(codecs, "%30d%n", &codec, &len) != 1) { 02007 if (codec_count) { 02008 break; 02009 } 02010 ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs); 02011 return -1; 02012 } 02013 ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec); 02014 codec_count++; 02015 codecs += len; 02016 } 02017 02018 /* Next, scan through each "a=rtpmap:" line, noting each */ 02019 /* specified RTP payload type (with corresponding MIME subtype): */ 02020 sdpLineNum_iterator_init(&iterator); 02021 while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { 02022 char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */ 02023 if (sscanf(a, "rtpmap: %30d %127[^/]/", &codec, mimeSubtype) != 2) 02024 continue; 02025 /* Note: should really look at the 'freq' and '#chans' params too */ 02026 ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec, "audio", mimeSubtype, 0); 02027 } 02028 02029 /* Now gather all of the codecs that were asked for: */ 02030 ast_rtp_codecs_payload_formats(ast_rtp_instance_get_codecs(sub->rtp), &peercapability, &peerNonCodecCapability); 02031 p->capability = capability & peercapability; 02032 ast_debug(1, "Capabilities: us - %s, them - %s, combined - %s\n", 02033 ast_getformatname_multiple(tmp1, sizeof(tmp1), capability), 02034 ast_getformatname_multiple(tmp2, sizeof(tmp2), peercapability), 02035 ast_getformatname_multiple(tmp3, sizeof(tmp3), p->capability)); 02036 ast_debug(1, "Non-codec capabilities: us - %d, them - %d, combined - %d\n", 02037 nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability); 02038 if (!p->capability) { 02039 ast_log(LOG_WARNING, "No compatible codecs!\n"); 02040 return -1; 02041 } 02042 return 0; 02043 }
static void prune_gateways | ( | void | ) | [static] |
Definition at line 4544 of file chan_mgcp.c.
References ast_mutex_lock, ast_mutex_unlock, mgcp_gateway::delme, mgcp_endpoint::delme, destroy_endpoint(), destroy_gateway(), mgcp_gateway::endpoints, gateways, mgcp_gateway::next, mgcp_endpoint::next, and mgcp_gateway::realtime.
Referenced by reload_config(), and unload_module().
04545 { 04546 struct mgcp_gateway *g, *z, *r; 04547 struct mgcp_endpoint *e, *p, *t; 04548 04549 ast_mutex_lock(&gatelock); 04550 04551 /* prune gateways */ 04552 for (z = NULL, g = gateways; g;) { 04553 /* prune endpoints */ 04554 for (p = NULL, e = g->endpoints; e; ) { 04555 if (!g->realtime && (e->delme || g->delme)) { 04556 t = e; 04557 e = e->next; 04558 if (!p) 04559 g->endpoints = e; 04560 else 04561 p->next = e; 04562 destroy_endpoint(t); 04563 } else { 04564 p = e; 04565 e = e->next; 04566 } 04567 } 04568 04569 if (g->delme) { 04570 r = g; 04571 g = g->next; 04572 if (!z) 04573 gateways = g; 04574 else 04575 z->next = g; 04576 04577 destroy_gateway(r); 04578 } else { 04579 z = g; 04580 g = g->next; 04581 } 04582 } 04583 04584 ast_mutex_unlock(&gatelock); 04585 }
static int reload | ( | void | ) | [static] |
Definition at line 4860 of file chan_mgcp.c.
References mgcp_reload().
04861 { 04862 mgcp_reload(NULL, 0, NULL); 04863 return 0; 04864 }
static int reload_config | ( | int | reload | ) | [static] |
Definition at line 4619 of file chan_mgcp.c.
References __ourip, ast_category_browse(), ast_config_destroy(), ast_config_load, ast_getformatbyname(), ast_gethostbyname(), ast_inet_ntoa(), ast_io_remove(), ast_io_wait(), ast_jb_read_conf(), ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_netsock_set_qos(), ast_sched_runq(), ast_str2cos(), ast_str2tos(), ast_variable_browse(), ast_verb, bindaddr, build_gateway(), CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEINVALID, CONFIG_STATUS_FILEUNCHANGED, DEFAULT_MGCP_CA_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_gateway::endpoints, errno, format, gateways, global_jbconf, hp, ast_variable::lineno, LOG_ERROR, LOG_NOTICE, LOG_WARNING, mgcp_endpoint::name, mgcp_gateway::name, ast_variable::name, mgcp_endpoint::needaudit, mgcp_endpoint::next, mgcp_gateway::next, ast_variable::next, prune_gateways(), qos, transmit_audit_endpoint(), and ast_variable::value.
Referenced by do_monitor(), and load_module().
04620 { 04621 struct ast_config *cfg; 04622 struct ast_variable *v; 04623 struct mgcp_gateway *g; 04624 struct mgcp_endpoint *e; 04625 char *cat; 04626 struct ast_hostent ahp; 04627 struct hostent *hp; 04628 int format; 04629 struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 }; 04630 04631 if (gethostname(ourhost, sizeof(ourhost)-1)) { 04632 ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n"); 04633 return 0; 04634 } 04635 cfg = ast_config_load(config, config_flags); 04636 04637 /* We *must* have a config file otherwise stop immediately */ 04638 if (!cfg) { 04639 ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config); 04640 return 0; 04641 } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) { 04642 return 0; 04643 } else if (cfg == CONFIG_STATUS_FILEINVALID) { 04644 ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config); 04645 return 0; 04646 } 04647 04648 memset(&bindaddr, 0, sizeof(bindaddr)); 04649 dtmfmode = 0; 04650 04651 /* Copy the default jb config over global_jbconf */ 04652 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 04653 04654 for (v = ast_variable_browse(cfg, "general"); v; v = v->next) { 04655 /* handle jb conf */ 04656 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) { 04657 continue; 04658 } 04659 04660 /* Create the interface list */ 04661 if (!strcasecmp(v->name, "bindaddr")) { 04662 if (!(hp = ast_gethostbyname(v->value, &ahp))) { 04663 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); 04664 } else { 04665 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 04666 } 04667 } else if (!strcasecmp(v->name, "allow")) { 04668 format = ast_getformatbyname(v->value); 04669 if (format < 1) { 04670 ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value); 04671 } else { 04672 capability |= format; 04673 } 04674 } else if (!strcasecmp(v->name, "disallow")) { 04675 format = ast_getformatbyname(v->value); 04676 if (format < 1) { 04677 ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value); 04678 } else { 04679 capability &= ~format; 04680 } 04681 } else if (!strcasecmp(v->name, "tos")) { 04682 if (ast_str2tos(v->value, &qos.tos)) { 04683 ast_log(LOG_WARNING, "Invalid tos value at line %d, refer to QoS documentation\n", v->lineno); 04684 } 04685 } else if (!strcasecmp(v->name, "tos_audio")) { 04686 if (ast_str2tos(v->value, &qos.tos_audio)) 04687 ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno); 04688 } else if (!strcasecmp(v->name, "cos")) { 04689 if (ast_str2cos(v->value, &qos.cos)) 04690 ast_log(LOG_WARNING, "Invalid cos value at line %d, refer to QoS documentation\n", v->lineno); 04691 } else if (!strcasecmp(v->name, "cos_audio")) { 04692 if (ast_str2cos(v->value, &qos.cos_audio)) 04693 ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno); 04694 } else if (!strcasecmp(v->name, "port")) { 04695 if (sscanf(v->value, "%5d", &ourport) == 1) { 04696 bindaddr.sin_port = htons(ourport); 04697 } else { 04698 ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config); 04699 } 04700 } else if (!strcasecmp(v->name, "firstdigittimeout")) { 04701 firstdigittimeout = atoi(v->value); 04702 } else if (!strcasecmp(v->name, "gendigittimeout")) { 04703 gendigittimeout = atoi(v->value); 04704 } else if (!strcasecmp(v->name, "matchdigittimeout")) { 04705 matchdigittimeout = atoi(v->value); 04706 } 04707 } 04708 04709 /* mark existing entries for deletion */ 04710 ast_mutex_lock(&gatelock); 04711 for (g = gateways; g; g = g->next) { 04712 g->delme = 1; 04713 for (e = g->endpoints; e; e = e->next) { 04714 e->delme = 1; 04715 } 04716 } 04717 ast_mutex_unlock(&gatelock); 04718 04719 for (cat = ast_category_browse(cfg, NULL); cat; cat = ast_category_browse(cfg, cat)) { 04720 if (strcasecmp(cat, "general")) { 04721 ast_mutex_lock(&gatelock); 04722 if ((g = build_gateway(cat, ast_variable_browse(cfg, cat)))) { 04723 ast_verb(3, "Added gateway '%s'\n", g->name); 04724 g->next = gateways; 04725 gateways = g; 04726 } 04727 ast_mutex_unlock(&gatelock); 04728 04729 /* FS: process queue and IO */ 04730 if (monitor_thread == pthread_self()) { 04731 if (sched) ast_sched_runq(sched); 04732 if (io) ast_io_wait(io, 10); 04733 } 04734 } 04735 } 04736 04737 /* prune deleted entries etc. */ 04738 prune_gateways(); 04739 04740 if (ntohl(bindaddr.sin_addr.s_addr)) { 04741 memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip)); 04742 } else { 04743 hp = ast_gethostbyname(ourhost, &ahp); 04744 if (!hp) { 04745 ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n"); 04746 ast_config_destroy(cfg); 04747 return 0; 04748 } 04749 memcpy(&__ourip, hp->h_addr, sizeof(__ourip)); 04750 } 04751 if (!ntohs(bindaddr.sin_port)) 04752 bindaddr.sin_port = htons(DEFAULT_MGCP_CA_PORT); 04753 bindaddr.sin_family = AF_INET; 04754 ast_mutex_lock(&netlock); 04755 if (mgcpsock > -1) 04756 close(mgcpsock); 04757 04758 if (mgcpsock_read_id != NULL) 04759 ast_io_remove(io, mgcpsock_read_id); 04760 mgcpsock_read_id = NULL; 04761 04762 mgcpsock = socket(AF_INET, SOCK_DGRAM, 0); 04763 if (mgcpsock < 0) { 04764 ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno)); 04765 } else { 04766 if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) { 04767 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n", 04768 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port), 04769 strerror(errno)); 04770 close(mgcpsock); 04771 mgcpsock = -1; 04772 } else { 04773 ast_verb(2, "MGCP Listening on %s:%d\n", 04774 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port)); 04775 ast_netsock_set_qos(mgcpsock, qos.tos, qos.cos, "MGCP"); 04776 } 04777 } 04778 ast_mutex_unlock(&netlock); 04779 ast_config_destroy(cfg); 04780 04781 /* send audit only to the new endpoints */ 04782 for (g = gateways; g; g = g->next) { 04783 for (e = g->endpoints; e && e->needaudit; e = e->next) { 04784 e->needaudit = 0; 04785 transmit_audit_endpoint(e); 04786 ast_verb(3, "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name); 04787 } 04788 } 04789 04790 return 0; 04791 }
static int reqprep | ( | struct mgcp_request * | req, | |
struct mgcp_endpoint * | p, | |||
char * | verb | |||
) | [static] |
Definition at line 2139 of file chan_mgcp.c.
References ast_mutex_lock, ast_mutex_unlock, and init_req().
Referenced by transmit_audit_endpoint(), transmit_connect(), transmit_connect_with_sdp(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_modify_request(), transmit_modify_with_sdp(), transmit_notify_request(), and transmit_notify_request_with_callerid().
02140 { 02141 unsigned int oseq; 02142 memset(req, 0, sizeof(struct mgcp_request)); 02143 ast_mutex_lock(&oseq_lock); 02144 oseq_global++; 02145 if (oseq_global > 999999999) { 02146 oseq_global = 1; 02147 } 02148 oseq = oseq_global; 02149 ast_mutex_unlock(&oseq_lock); 02150 init_req(p, req, verb, oseq); 02151 return oseq; 02152 }
static int resend_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_response * | resp | |||
) | [static] |
Definition at line 558 of file chan_mgcp.c.
References __mgcp_xmit(), mgcp_gateway::addr, ast_debug, ast_inet_ntoa(), mgcp_response::buf, mgcp_response::len, mgcp_endpoint::parent, and mgcp_subchannel::parent.
Referenced by find_and_retrans().
00559 { 00560 struct mgcp_endpoint *p = sub->parent; 00561 int res; 00562 ast_debug(1, "Retransmitting:\n%s\n to %s:%d\n", resp->buf, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00563 res = __mgcp_xmit(p->parent, resp->buf, resp->len); 00564 if (res > 0) 00565 res = 0; 00566 return res; 00567 }
static int respprep | ( | struct mgcp_request * | resp, | |
struct mgcp_endpoint * | p, | |||
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2132 of file chan_mgcp.c.
References init_resp().
Referenced by transmit_response().
02133 { 02134 memset(resp, 0, sizeof(*resp)); 02135 init_resp(resp, msg, req, msgrest); 02136 return 0; 02137 }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 3892 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock, ast_mutex_unlock, ast_pthread_create_background, AST_PTHREADT_NULL, AST_PTHREADT_STOP, do_monitor(), LOG_ERROR, and LOG_WARNING.
Referenced by load_module(), mgcp_reload(), and mgcp_request().
03893 { 03894 /* If we're supposed to be stopped -- stay stopped */ 03895 if (monitor_thread == AST_PTHREADT_STOP) 03896 return 0; 03897 if (ast_mutex_lock(&monlock)) { 03898 ast_log(LOG_WARNING, "Unable to lock monitor\n"); 03899 return -1; 03900 } 03901 if (monitor_thread == pthread_self()) { 03902 ast_mutex_unlock(&monlock); 03903 ast_log(LOG_WARNING, "Cannot kill myself\n"); 03904 return -1; 03905 } 03906 if (monitor_thread != AST_PTHREADT_NULL) { 03907 /* Wake up the thread */ 03908 pthread_kill(monitor_thread, SIGURG); 03909 } else { 03910 /* Start a new monitor */ 03911 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { 03912 ast_mutex_unlock(&monlock); 03913 ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); 03914 return -1; 03915 } 03916 } 03917 ast_mutex_unlock(&monlock); 03918 return 0; 03919 }
static int retrans_pkt | ( | const void * | data | ) | [static] |
Definition at line 655 of file chan_mgcp.c.
References __mgcp_xmit(), ast_debug, ast_free, ast_log(), ast_mutex_lock, ast_mutex_unlock, mgcp_message::buf, handle_response(), mgcp_message::len, LOG_WARNING, MAX_RETRANS, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_message::next, mgcp_message::owner_ep, mgcp_message::owner_sub, mgcp_message::retrans, mgcp_gateway::retransid, and mgcp_message::seqno.
Referenced by mgcp_postrequest().
00656 { 00657 struct mgcp_gateway *gw = (struct mgcp_gateway *)data; 00658 struct mgcp_message *cur, *exq = NULL, *w, *prev; 00659 int res = 0; 00660 00661 /* find out expired msgs */ 00662 ast_mutex_lock(&gw->msgs_lock); 00663 00664 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 00665 if (cur->retrans < MAX_RETRANS) { 00666 cur->retrans++; 00667 ast_debug(1, "Retransmitting #%d transaction %u on [%s]\n", 00668 cur->retrans, cur->seqno, gw->name); 00669 __mgcp_xmit(gw, cur->buf, cur->len); 00670 } else { 00671 if (prev) 00672 prev->next = cur->next; 00673 else 00674 gw->msgs = cur->next; 00675 00676 ast_log(LOG_WARNING, "Maximum retries exceeded for transaction %u on [%s]\n", 00677 cur->seqno, gw->name); 00678 00679 w = cur; 00680 00681 if (exq) { 00682 w->next = exq; 00683 } else { 00684 w->next = NULL; 00685 } 00686 exq = w; 00687 } 00688 } 00689 00690 if (!gw->msgs) { 00691 gw->retransid = -1; 00692 res = 0; 00693 } else { 00694 res = 1; 00695 } 00696 ast_mutex_unlock(&gw->msgs_lock); 00697 00698 while (exq) { 00699 cur = exq; 00700 /* time-out transaction */ 00701 handle_response(cur->owner_ep, cur->owner_sub, 406, cur->seqno, NULL); 00702 exq = exq->next; 00703 ast_free(cur); 00704 } 00705 00706 return res; 00707 }
static void sdpLineNum_iterator_init | ( | int * | iterator | ) | [static] |
Definition at line 1600 of file chan_mgcp.c.
Referenced by process_sdp().
static int send_request | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
struct mgcp_request * | req, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 754 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_debug, ast_free, ast_inet_ntoa(), ast_log(), ast_malloc, ast_mutex_lock, ast_mutex_unlock, mgcp_request::cmd, mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, mgcp_request::data, mgcp_request::len, LOG_WARNING, MGCP_CMD_CRCX, MGCP_CMD_DLCX, MGCP_CMD_MDCX, MGCP_CMD_RQNT, mgcp_postrequest(), mgcp_endpoint::ncs, mgcp_request::next, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, and mgcp_endpoint::slowsequence.
Referenced by transmit_audit_endpoint(), transmit_connect(), transmit_connect_with_sdp(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_modify_request(), transmit_modify_with_sdp(), transmit_notify_request(), and transmit_notify_request_with_callerid().
00756 { 00757 int res = 0; 00758 struct mgcp_request **queue, *q, *r, *t; 00759 ast_mutex_t *l; 00760 00761 ast_debug(1, "Slow sequence is %d\n", p->slowsequence); 00762 if (p->slowsequence) { 00763 queue = &p->cmd_queue; 00764 l = &p->cmd_queue_lock; 00765 ast_mutex_lock(l); 00766 } else { 00767 switch (req->cmd) { 00768 case MGCP_CMD_DLCX: 00769 queue = &sub->cx_queue; 00770 l = &sub->cx_queue_lock; 00771 ast_mutex_lock(l); 00772 q = sub->cx_queue; 00773 /* delete pending cx cmds */ 00774 /* buggy sb5120 */ 00775 if (!sub->parent->ncs) { 00776 while (q) { 00777 r = q->next; 00778 ast_free(q); 00779 q = r; 00780 } 00781 *queue = NULL; 00782 } 00783 break; 00784 00785 case MGCP_CMD_CRCX: 00786 case MGCP_CMD_MDCX: 00787 queue = &sub->cx_queue; 00788 l = &sub->cx_queue_lock; 00789 ast_mutex_lock(l); 00790 break; 00791 00792 case MGCP_CMD_RQNT: 00793 queue = &p->rqnt_queue; 00794 l = &p->rqnt_queue_lock; 00795 ast_mutex_lock(l); 00796 break; 00797 00798 default: 00799 queue = &p->cmd_queue; 00800 l = &p->cmd_queue_lock; 00801 ast_mutex_lock(l); 00802 break; 00803 } 00804 } 00805 00806 if (!(r = ast_malloc(sizeof(*r)))) { 00807 ast_log(LOG_WARNING, "Cannot post MGCP request: insufficient memory\n"); 00808 ast_mutex_unlock(l); 00809 return -1; 00810 } 00811 memcpy(r, req, sizeof(*r)); 00812 00813 if (!(*queue)) { 00814 ast_debug(1, "Posting Request:\n%s to %s:%d\n", req->data, 00815 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00816 00817 res = mgcp_postrequest(p, sub, req->data, req->len, seqno); 00818 } else { 00819 ast_debug(1, "Queueing Request:\n%s to %s:%d\n", req->data, 00820 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00821 } 00822 00823 /* XXX find tail. We could also keep tail in the data struct for faster access */ 00824 for (t = *queue; t && t->next; t = t->next); 00825 00826 r->next = NULL; 00827 if (t) 00828 t->next = r; 00829 else 00830 *queue = r; 00831 00832 ast_mutex_unlock(l); 00833 00834 return res; 00835 }
static int send_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 569 of file chan_mgcp.c.
References __mgcp_xmit(), mgcp_gateway::addr, ast_debug, ast_inet_ntoa(), mgcp_request::data, mgcp_request::len, mgcp_endpoint::parent, and mgcp_subchannel::parent.
Referenced by transmit_response().
00570 { 00571 struct mgcp_endpoint *p = sub->parent; 00572 int res; 00573 ast_debug(1, "Transmitting:\n%s\n to %s:%d\n", req->data, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00574 res = __mgcp_xmit(p->parent, req->data, req->len); 00575 if (res > 0) 00576 res = 0; 00577 return res; 00578 }
static void start_rtp | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2928 of file chan_mgcp.c.
References ast_channel_set_fd(), ast_mutex_lock, ast_mutex_unlock, ast_random(), ast_rtp_instance_destroy(), ast_rtp_instance_fd(), ast_rtp_instance_new(), ast_rtp_instance_set_prop(), ast_rtp_instance_set_qos(), AST_RTP_PROPERTY_NAT, ast_sockaddr_from_sin, bindaddr, mgcp_subchannel::callid, mgcp_subchannel::gate, mgcp_subchannel::lock, mgcp_alloc_pktcgate(), mgcp_queue_hangup(), mgcp_subchannel::nat, mgcp_subchannel::owner, mgcp_subchannel::parent, mgcp_endpoint::pktcgatealloc, qos, mgcp_subchannel::rtp, transmit_connect(), transmit_connect_with_sdp(), and mgcp_subchannel::txident.
Referenced by handle_hd_hf(), handle_response(), mgcp_answer(), mgcp_call(), and mgcp_ss().
02929 { 02930 struct ast_sockaddr bindaddr_tmp; 02931 02932 ast_mutex_lock(&sub->lock); 02933 /* check again to be on the safe side */ 02934 if (sub->rtp) { 02935 ast_rtp_instance_destroy(sub->rtp); 02936 sub->rtp = NULL; 02937 } 02938 /* Allocate the RTP now */ 02939 ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); 02940 sub->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL); 02941 if (sub->rtp && sub->owner) 02942 ast_channel_set_fd(sub->owner, 0, ast_rtp_instance_fd(sub->rtp, 0)); 02943 if (sub->rtp) { 02944 ast_rtp_instance_set_qos(sub->rtp, qos.tos_audio, qos.cos_audio, "MGCP RTP"); 02945 ast_rtp_instance_set_prop(sub->rtp, AST_RTP_PROPERTY_NAT, sub->nat); 02946 } 02947 /* Make a call*ID */ 02948 snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", (unsigned long)ast_random(), sub->txident); 02949 /* Transmit the connection create */ 02950 if(!sub->parent->pktcgatealloc) { 02951 transmit_connect_with_sdp(sub, NULL); 02952 } else { 02953 transmit_connect(sub); 02954 sub->gate = NULL; 02955 if(!mgcp_alloc_pktcgate(sub)) 02956 mgcp_queue_hangup(sub); 02957 } 02958 ast_mutex_unlock(&sub->lock); 02959 }
static int transmit_audit_endpoint | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 2637 of file chan_mgcp.c.
References add_header(), mgcp_request::cmd, MGCP_CMD_AUEP, reqprep(), send_request(), and mgcp_request::trid.
Referenced by find_realtime_gw(), handle_mgcp_audit_endpoint(), handle_request(), and reload_config().
02638 { 02639 struct mgcp_request resp; 02640 unsigned int oseq; 02641 oseq = reqprep(&resp, p, "AUEP"); 02642 /* removed unknown param VS */ 02643 /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/ 02644 add_header(&resp, "F", "A"); 02645 /* fill in new fields */ 02646 resp.cmd = MGCP_CMD_AUEP; 02647 resp.trid = oseq; 02648 return send_request(p, NULL, &resp, oseq); 02649 }
static int transmit_connect | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2430 of file chan_mgcp.c.
References add_header(), ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_rtp_lookup_mime_subtype2(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxmode, mgcp_subchannel::id, MGCP_CMD_CRCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_subchannel::sdpsent, send_request(), mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by start_rtp().
02431 { 02432 struct mgcp_request resp; 02433 char local[256]; 02434 char tmp[80]; 02435 format_t x; 02436 struct mgcp_endpoint *p = sub->parent; 02437 unsigned int oseq; 02438 02439 ast_copy_string(local, "p:20, s:off, e:on", sizeof(local)); 02440 02441 for (x = 1LL; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02442 if (p->capability & x) { 02443 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02444 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02445 } 02446 } 02447 02448 ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02449 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02450 sub->sdpsent = 0; 02451 oseq = reqprep(&resp, p, "CRCX"); 02452 add_header(&resp, "C", sub->callid); 02453 add_header(&resp, "L", local); 02454 add_header(&resp, "M", "inactive"); 02455 /* X header should not be sent. kept for compatibility */ 02456 add_header(&resp, "X", sub->txident); 02457 /*add_header(&resp, "S", "");*/ 02458 /* fill in new fields */ 02459 resp.cmd = MGCP_CMD_CRCX; 02460 resp.trid = oseq; 02461 return send_request(p, sub, &resp, oseq); 02462 }
static int transmit_connect_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp_instance * | rtp | |||
) | [static] |
Definition at line 2334 of file chan_mgcp.c.
References add_header(), add_sdp(), ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_rtp_lookup_mime_subtype2(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxmode, mgcp_subchannel::gate, GATE_ALLOCATED, cops_gate::gateid, mgcp_subchannel::id, MGCP_CMD_CRCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_subchannel::sdpsent, send_request(), cops_gate::state, mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by start_rtp().
02335 { 02336 struct mgcp_request resp; 02337 char local[256]; 02338 char tmp[80]; 02339 int x; 02340 struct mgcp_endpoint *p = sub->parent; 02341 unsigned int oseq; 02342 02343 ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02344 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02345 02346 ast_copy_string(local, "e:on, s:off, p:20", sizeof(local)); 02347 02348 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02349 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02350 /* No longer contiguous */ 02351 continue; 02352 } 02353 if (p->capability & x) { 02354 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02355 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02356 } 02357 } 02358 02359 if (sub->gate) { 02360 if(sub->gate->state == GATE_ALLOCATED) { 02361 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02362 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02363 } 02364 } 02365 sub->sdpsent = 1; 02366 oseq = reqprep(&resp, p, "CRCX"); 02367 add_header(&resp, "C", sub->callid); 02368 add_header(&resp, "L", local); 02369 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02370 /* X header should not be sent. kept for compatibility */ 02371 add_header(&resp, "X", sub->txident); 02372 /*add_header(&resp, "S", "");*/ 02373 add_sdp(&resp, sub, rtp); 02374 /* fill in new fields */ 02375 resp.cmd = MGCP_CMD_CRCX; 02376 resp.trid = oseq; 02377 return send_request(p, sub, &resp, oseq); 02378 }
static int transmit_connection_del | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2651 of file chan_mgcp.c.
References add_header(), ast_debug, mgcp_subchannel::callid, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_subchannel::id, MGCP_CMD_DLCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by destroy_endpoint(), handle_request(), handle_response(), mgcp_hangup(), and unalloc_sub().
02652 { 02653 struct mgcp_endpoint *p = sub->parent; 02654 struct mgcp_request resp; 02655 unsigned int oseq; 02656 02657 ast_debug(3, "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n", 02658 sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02659 oseq = reqprep(&resp, p, "DLCX"); 02660 /* check if call id is avail */ 02661 if (sub->callid[0]) 02662 add_header(&resp, "C", sub->callid); 02663 /* X header should not be sent. kept for compatibility */ 02664 add_header(&resp, "X", sub->txident); 02665 /* check if cxident is avail */ 02666 if (sub->cxident[0]) 02667 add_header(&resp, "I", sub->cxident); 02668 /* fill in new fields */ 02669 resp.cmd = MGCP_CMD_DLCX; 02670 resp.trid = oseq; 02671 return send_request(p, sub, &resp, oseq); 02672 }
static int transmit_connection_del_w_params | ( | struct mgcp_endpoint * | p, | |
char * | callid, | |||
char * | cxident | |||
) | [static] |
Definition at line 2674 of file chan_mgcp.c.
References add_header(), ast_debug, mgcp_request::cmd, MGCP_CMD_DLCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, reqprep(), send_request(), mgcp_endpoint::sub, and mgcp_request::trid.
Referenced by handle_response().
02675 { 02676 struct mgcp_request resp; 02677 unsigned int oseq; 02678 02679 ast_debug(3, "Delete connection %s %s@%s on callid: %s\n", 02680 cxident ? cxident : "", p->name, p->parent->name, callid ? callid : ""); 02681 oseq = reqprep(&resp, p, "DLCX"); 02682 /* check if call id is avail */ 02683 if (callid && *callid) 02684 add_header(&resp, "C", callid); 02685 /* check if cxident is avail */ 02686 if (cxident && *cxident) 02687 add_header(&resp, "I", cxident); 02688 /* fill in new fields */ 02689 resp.cmd = MGCP_CMD_DLCX; 02690 resp.trid = oseq; 02691 return send_request(p, p->sub, &resp, oseq); 02692 }
static int transmit_modify_request | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2537 of file chan_mgcp.c.
References add_header(), add_header_offhook(), add_sdp(), ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_rtp_lookup_mime_subtype2(), ast_strlen_zero(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_subchannel::gate, GATE_ALLOCATED, GATE_OPEN, cops_gate::gateid, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_MDCX, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::ncs, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_subchannel::sdpsent, send_request(), cops_gate::state, mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), mgcp_call(), mgcp_hangup(), and mgcp_indicate().
02538 { 02539 struct mgcp_request resp; 02540 struct mgcp_endpoint *p = sub->parent; 02541 format_t x; 02542 int fc = 1; 02543 char local[256]; 02544 char tmp[80]; 02545 unsigned int oseq; 02546 02547 if (ast_strlen_zero(sub->cxident)) { 02548 /* We don't have a CXident yet, store the destination and 02549 wait a bit */ 02550 return 0; 02551 } 02552 ast_debug(3, "Modified %s@%s-%d with new mode: %s on callid: %s\n", 02553 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02554 02555 ast_copy_string(local, "", sizeof(local)); 02556 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02557 if (p->capability & x) { 02558 if (p->ncs && !fc) { 02559 p->capability = x; /* sb5120e bug */ 02560 break; 02561 } else { 02562 fc = 0; 02563 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02564 } 02565 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02566 } 02567 } 02568 02569 if (!sub->sdpsent) { 02570 if (sub->gate) { 02571 if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) { 02572 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02573 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02574 } else { 02575 /* we still don't have gateid wait */ 02576 return 0; 02577 } 02578 } 02579 } 02580 02581 oseq = reqprep(&resp, p, "MDCX"); 02582 add_header(&resp, "C", sub->callid); 02583 if (!sub->sdpsent) { 02584 add_header(&resp, "L", local); 02585 } 02586 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02587 /* X header should not be sent. kept for compatibility */ 02588 add_header(&resp, "X", sub->txident); 02589 add_header(&resp, "I", sub->cxident); 02590 switch (sub->parent->hookstate) { 02591 case MGCP_ONHOOK: 02592 add_header(&resp, "R", "L/hd(N)"); 02593 break; 02594 case MGCP_OFFHOOK: 02595 add_header_offhook(sub, &resp, ""); 02596 break; 02597 } 02598 if (!sub->sdpsent) { 02599 add_sdp(&resp, sub, NULL); 02600 sub->sdpsent = 1; 02601 } 02602 /* fill in new fields */ 02603 resp.cmd = MGCP_CMD_MDCX; 02604 resp.trid = oseq; 02605 return send_request(p, sub, &resp, oseq); 02606 }
static int transmit_modify_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp_instance * | rtp, | |||
format_t | codecs | |||
) | [static] |
Definition at line 2276 of file chan_mgcp.c.
References add_header(), add_sdp(), ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_rtp_instance_get_remote_address(), ast_rtp_lookup_mime_subtype2(), ast_sockaddr_to_sin, ast_strlen_zero(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_subchannel::gate, GATE_ALLOCATED, GATE_OPEN, cops_gate::gateid, MGCP_CMD_MDCX, mgcp_subchannel::parent, reqprep(), mgcp_subchannel::sdpsent, send_request(), cops_gate::state, mgcp_subchannel::tmpdest, mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by handle_response(), mgcp_pktcgate_open(), mgcp_set_rtp_peer(), and mgcp_write().
02277 { 02278 struct mgcp_request resp; 02279 char local[256]; 02280 char tmp[80]; 02281 struct mgcp_endpoint *p = sub->parent; 02282 format_t x; 02283 struct ast_sockaddr sub_tmpdest_tmp; 02284 unsigned int oseq; 02285 02286 if (ast_strlen_zero(sub->cxident) && rtp) { 02287 /* We don't have a CXident yet, store the destination and 02288 wait a bit */ 02289 ast_rtp_instance_get_remote_address(rtp, &sub_tmpdest_tmp); 02290 ast_sockaddr_to_sin(&sub_tmpdest_tmp, &sub->tmpdest); 02291 return 0; 02292 } 02293 ast_copy_string(local, "e:on, s:off, p:20", sizeof(local)); 02294 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02295 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02296 /* No longer contiguous */ 02297 continue; 02298 } 02299 if (p->capability & x) { 02300 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02301 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02302 } 02303 } 02304 02305 if (sub->gate) { 02306 if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) { 02307 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02308 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02309 sub->sdpsent = 1; 02310 } else { 02311 /* oops wait */ 02312 ast_debug(1, "Waiting for opened gate...\n"); 02313 sub->sdpsent = 0; 02314 return 0; 02315 } 02316 } 02317 02318 02319 oseq = reqprep(&resp, p, "MDCX"); 02320 add_header(&resp, "C", sub->callid); 02321 add_header(&resp, "L", local); 02322 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02323 /* X header should not be sent. kept for compatibility */ 02324 add_header(&resp, "X", sub->txident); 02325 add_header(&resp, "I", sub->cxident); 02326 /*add_header(&resp, "S", "");*/ 02327 add_sdp(&resp, sub, rtp); 02328 /* fill in new fields */ 02329 resp.cmd = MGCP_CMD_MDCX; 02330 resp.trid = oseq; 02331 return send_request(p, sub, &resp, oseq); 02332 }
static int transmit_notify_request | ( | struct mgcp_subchannel * | sub, | |
char * | tone | |||
) | [static] |
Definition at line 2464 of file chan_mgcp.c.
References add_header(), add_header_offhook(), ast_copy_string(), ast_debug, ast_strlen_zero(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_RQNT, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, send_request(), and mgcp_request::trid.
Referenced by do_monitor(), handle_hd_hf(), handle_request(), handle_response(), mgcp_answer(), mgcp_hangup(), mgcp_indicate(), mgcp_request(), mgcp_senddigit_end(), and mgcp_ss().
02465 { 02466 struct mgcp_request resp; 02467 struct mgcp_endpoint *p = sub->parent; 02468 unsigned int oseq; 02469 02470 ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02471 tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02472 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02473 oseq = reqprep(&resp, p, "RQNT"); 02474 add_header(&resp, "X", p->rqnt_ident); 02475 switch (p->hookstate) { 02476 case MGCP_ONHOOK: 02477 add_header(&resp, "R", "L/hd(N)"); 02478 break; 02479 case MGCP_OFFHOOK: 02480 add_header_offhook(sub, &resp, tone); 02481 break; 02482 } 02483 if (!ast_strlen_zero(tone)) { 02484 add_header(&resp, "S", tone); 02485 } 02486 /* fill in new fields */ 02487 resp.cmd = MGCP_CMD_RQNT; 02488 resp.trid = oseq; 02489 return send_request(p, NULL, &resp, oseq); 02490 }
static int transmit_notify_request_with_callerid | ( | struct mgcp_subchannel * | sub, | |
char * | tone, | |||
char * | callernum, | |||
char * | callername | |||
) | [static] |
Definition at line 2492 of file chan_mgcp.c.
References add_header(), add_header_offhook(), ast_copy_string(), ast_debug, ast_localtime(), ast_strlen_zero(), ast_tvnow(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_endpoint::lastcallerid, MGCP_CMD_RQNT, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, send_request(), ast_tm::tm_hour, ast_tm::tm_mday, ast_tm::tm_min, ast_tm::tm_mon, and mgcp_request::trid.
Referenced by mgcp_call(), and mgcp_hangup().
02493 { 02494 struct mgcp_request resp; 02495 char tone2[256]; 02496 char *l, *n; 02497 struct timeval t = ast_tvnow(); 02498 struct ast_tm tm; 02499 struct mgcp_endpoint *p = sub->parent; 02500 unsigned int oseq; 02501 02502 ast_localtime(&t, &tm, NULL); 02503 n = callername; 02504 l = callernum; 02505 if (!n) 02506 n = ""; 02507 if (!l) 02508 l = ""; 02509 02510 /* Keep track of last callerid for blacklist and callreturn */ 02511 ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid)); 02512 02513 snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone, 02514 tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n); 02515 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02516 oseq = reqprep(&resp, p, "RQNT"); 02517 add_header(&resp, "X", p->rqnt_ident); 02518 switch (p->hookstate) { 02519 case MGCP_ONHOOK: 02520 add_header(&resp, "R", "L/hd(N)"); 02521 break; 02522 case MGCP_OFFHOOK: 02523 add_header_offhook(sub, &resp, tone); 02524 break; 02525 } 02526 if (!ast_strlen_zero(tone2)) { 02527 add_header(&resp, "S", tone2); 02528 } 02529 ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02530 tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02531 /* fill in new fields */ 02532 resp.cmd = MGCP_CMD_RQNT; 02533 resp.trid = oseq; 02534 return send_request(p, NULL, &resp, oseq); 02535 }
static int transmit_response | ( | struct mgcp_subchannel * | sub, | |
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2154 of file chan_mgcp.c.
References ast_calloc, mgcp_response::buf, mgcp_request::data, mgcp_request::identifier, mgcp_response::len, mgcp_request::len, mgcp_response::next, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_gateway::responses, respprep(), send_response(), mgcp_response::seqno, and mgcp_response::whensent.
Referenced by handle_request(), and handle_response().
02155 { 02156 struct mgcp_request resp; 02157 struct mgcp_endpoint *p = sub->parent; 02158 struct mgcp_response *mgr; 02159 02160 if (!sub) { 02161 return -1; 02162 } 02163 02164 respprep(&resp, p, msg, req, msgrest); 02165 if (!(mgr = ast_calloc(1, sizeof(*mgr) + resp.len + 1))) { 02166 return send_response(sub, &resp); 02167 } 02168 /* Store MGCP response in case we have to retransmit */ 02169 sscanf(req->identifier, "%30d", &mgr->seqno); 02170 time(&mgr->whensent); 02171 mgr->len = resp.len; 02172 memcpy(mgr->buf, resp.data, resp.len); 02173 mgr->buf[resp.len] = '\0'; 02174 mgr->next = p->parent->responses; 02175 p->parent->responses = mgr; 02176 02177 return send_response(sub, &resp); 02178 }
static int unalloc_sub | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 517 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_debug, ast_log(), ast_rtp_instance_destroy(), ast_strlen_zero(), mgcp_subchannel::callid, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, dump_cmd_queues(), mgcp_subchannel::id, LOG_WARNING, MGCP_CX_INACTIVE, mgcp_gateway::name, mgcp_endpoint::name, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, mgcp_endpoint::sub, mgcp_subchannel::tmpdest, and transmit_connection_del().
Referenced by attempt_transfer().
00518 { 00519 struct mgcp_endpoint *p = sub->parent; 00520 if (p->sub == sub) { 00521 ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name); 00522 return -1; 00523 } 00524 ast_debug(1, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name); 00525 00526 sub->owner = NULL; 00527 if (!ast_strlen_zero(sub->cxident)) { 00528 transmit_connection_del(sub); 00529 } 00530 sub->cxident[0] = '\0'; 00531 sub->callid[0] = '\0'; 00532 sub->cxmode = MGCP_CX_INACTIVE; 00533 sub->outgoing = 0; 00534 sub->alreadygone = 0; 00535 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00536 if (sub->rtp) { 00537 ast_rtp_instance_destroy(sub->rtp); 00538 sub->rtp = NULL; 00539 } 00540 dump_cmd_queues(NULL, sub); 00541 return 0; 00542 }
static int unload_module | ( | void | ) | [static] |
Definition at line 4866 of file chan_mgcp.c.
References ast_channel_register(), ast_channel_unregister(), ast_cli_unregister_multiple(), ast_log(), ast_mutex_lock, ast_mutex_trylock, ast_mutex_unlock, AST_PTHREADT_NULL, AST_PTHREADT_STOP, ast_rtp_glue_unregister(), mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_gateway::endpoints, gateways, LOG_WARNING, mgcp_reload(), mgcp_endpoint::next, mgcp_gateway::next, prune_gateways(), and sched_context_destroy().
04867 { 04868 struct mgcp_endpoint *e; 04869 struct mgcp_gateway *g; 04870 04871 /* Check to see if we're reloading */ 04872 if (ast_mutex_trylock(&mgcp_reload_lock)) { 04873 ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n"); 04874 return -1; 04875 } else { 04876 mgcp_reloading = 1; 04877 ast_mutex_unlock(&mgcp_reload_lock); 04878 } 04879 04880 /* First, take us out of the channel loop */ 04881 ast_channel_unregister(&mgcp_tech); 04882 04883 /* Shut down the monitoring thread */ 04884 if (!ast_mutex_lock(&monlock)) { 04885 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) { 04886 pthread_cancel(monitor_thread); 04887 pthread_kill(monitor_thread, SIGURG); 04888 pthread_join(monitor_thread, NULL); 04889 } 04890 monitor_thread = AST_PTHREADT_STOP; 04891 ast_mutex_unlock(&monlock); 04892 } else { 04893 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 04894 /* We always want to leave this in a consistent state */ 04895 ast_channel_register(&mgcp_tech); 04896 mgcp_reloading = 0; 04897 mgcp_reload(NULL, 0, NULL); 04898 return -1; 04899 } 04900 04901 if (!ast_mutex_lock(&gatelock)) { 04902 for (g = gateways; g; g = g->next) { 04903 g->delme = 1; 04904 for (e = g->endpoints; e; e = e->next) { 04905 e->delme = 1; 04906 } 04907 } 04908 04909 prune_gateways(); 04910 ast_mutex_unlock(&gatelock); 04911 } else { 04912 ast_log(LOG_WARNING, "Unable to lock the gateways list.\n"); 04913 /* We always want to leave this in a consistent state */ 04914 ast_channel_register(&mgcp_tech); 04915 /* Allow the monitor to restart */ 04916 monitor_thread = AST_PTHREADT_NULL; 04917 mgcp_reloading = 0; 04918 mgcp_reload(NULL, 0, NULL); 04919 return -1; 04920 } 04921 04922 close(mgcpsock); 04923 ast_rtp_glue_unregister(&mgcp_rtp_glue); 04924 ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04925 sched_context_destroy(sched); 04926 04927 return 0; 04928 }
struct in_addr __ourip [static] |
Definition at line 232 of file chan_mgcp.c.
Referenced by build_gateway(), find_subchannel_and_lock(), and reload_config().
char accountcode[AST_MAX_ACCOUNT_CODE] = "" [static] |
Definition at line 195 of file chan_mgcp.c.
int adsi = 0 [static] |
Definition at line 201 of file chan_mgcp.c.
int amaflags = 0 [static] |
Definition at line 199 of file chan_mgcp.c.
struct sockaddr_in bindaddr [static] |
Definition at line 427 of file chan_mgcp.c.
int callreturn = 0 [static] |
Definition at line 180 of file chan_mgcp.c.
int callwaiting = 0 [static] |
Definition at line 178 of file chan_mgcp.c.
int cancallforward = 0 [static] |
Definition at line 189 of file chan_mgcp.c.
format_t capability = AST_FORMAT_ULAW [static] |
Definition at line 228 of file chan_mgcp.c.
Referenced by add_sdp(), build_setup(), iax2_call(), parse_setup(), set_config(), and set_local_capabilities().
char cid_name[AST_MAX_EXTENSION] = "" [static] |
Definition at line 158 of file chan_mgcp.c.
Referenced by __analog_handle_event(), __oh323_new(), action_originate(), apply_outgoing(), build_peer(), build_user(), check_access(), check_peer_ok(), check_user_full(), create_addr_from_peer(), dahdi_handle_event(), get_pai(), get_rpid(), misdn_new(), read_config(), set_peer_defaults(), set_pvt_defaults(), sip_call(), socket_process(), and store_callerid().
char cid_num[AST_MAX_EXTENSION] = "" [static] |
Definition at line 157 of file chan_mgcp.c.
Referenced by __analog_handle_event(), __oh323_new(), action_originate(), apply_outgoing(), build_peer(), build_user(), check_access(), check_peer_ok(), check_user_full(), create_addr_from_peer(), dahdi_handle_event(), get_pai(), get_rpid(), misdn_new(), read_config(), set_peer_defaults(), set_pvt_defaults(), socket_process(), state_notify_build_xml(), and store_callerid().
struct ast_cli_entry cli_mgcp[] [static] |
Definition at line 1170 of file chan_mgcp.c.
const char config[] = "mgcp.conf" [static] |
Definition at line 110 of file chan_mgcp.c.
char context[AST_MAX_EXTENSION] = "default" [static] |
Definition at line 152 of file chan_mgcp.c.
unsigned int cos |
Definition at line 172 of file chan_mgcp.c.
unsigned int cos_audio |
Definition at line 173 of file chan_mgcp.c.
ast_group_t cur_callergroup = 0 [static] |
Definition at line 166 of file chan_mgcp.c.
ast_group_t cur_pickupgroup = 0 [static] |
Definition at line 167 of file chan_mgcp.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 99 of file chan_mgcp.c.
int directmedia = DIRECTMEDIA [static] |
Definition at line 193 of file chan_mgcp.c.
int dtmfmode = 0 [static] |
Definition at line 160 of file chan_mgcp.c.
Referenced by set_local_capabilities().
int firstdigittimeout = 16000 [static] |
Wait up to 16 seconds for first digit (FXO logic)
Definition at line 207 of file chan_mgcp.c.
struct mgcp_gateway * gateways [static] |
int gendigittimeout = 8000 [static] |
How long to wait for following digits (FXO logic)
Definition at line 210 of file chan_mgcp.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 107 of file chan_mgcp.c.
Referenced by mgcp_new(), and reload_config().
int hangupongateremove = 0 [static] |
Definition at line 164 of file chan_mgcp.c.
int immediate = 0 [static] |
Definition at line 176 of file chan_mgcp.c.
struct io_context* io [static] |
Definition at line 238 of file chan_mgcp.c.
char language[MAX_LANGUAGE] = "" [static] |
Definition at line 154 of file chan_mgcp.c.
char mailbox[AST_MAX_EXTENSION] [static] |
Definition at line 197 of file chan_mgcp.c.
Referenced by action_mailboxcount(), action_mailboxstatus(), add_peer_mailboxes(), add_peer_mwi_subs(), aji_handle_pubsub_event(), aji_mwi_cb(), append_mailbox_mapping(), ast_event_hash_mwi(), build_peer(), chanspy_exec(), clear_peer_mailboxes(), disa_exec(), extenspy_exec(), get_cached_mwi(), handle_request_notify(), has_voicemail(), minivm_mwi_exec(), mkintf(), notify_message(), peer_mailboxes_to_str(), peers_data_provider_get(), queue_mwi_event(), realtime_directory(), sip_subscribe_mwi(), unistim_send_mwi_to_peer(), and update_registry().
int matchdigittimeout = 3000 [static] |
How long to wait for an extra digit, if there is an ambiguous match
Definition at line 213 of file chan_mgcp.c.
const char* const mgcp_cxmodes[] [static] |
}
Definition at line 132 of file chan_mgcp.c.
int mgcp_reloading = 0 [static] |
Definition at line 420 of file chan_mgcp.c.
struct ast_rtp_glue mgcp_rtp_glue [static] |
Definition at line 4449 of file chan_mgcp.c.
struct ast_channel_tech mgcp_tech [static] |
Definition at line 464 of file chan_mgcp.c.
int mgcpdebug = 0 [static] |
Definition at line 235 of file chan_mgcp.c.
int mgcpsock = -1 [static] |
Definition at line 425 of file chan_mgcp.c.
int* mgcpsock_read_id = NULL [static] |
Definition at line 3714 of file chan_mgcp.c.
pthread_t monitor_thread = AST_PTHREADT_NULL [static] |
This is the thread for the monitor which checks for input on the channels which are not currently in use.
Definition at line 224 of file chan_mgcp.c.
char musicclass[MAX_MUSICCLASS] = "" [static] |
Definition at line 155 of file chan_mgcp.c.
Referenced by ast_do_masquerade(), begin_dial_channel(), dial_exec_full(), findmeexec(), func_channel_write_real(), gtalk_new(), jingle_new(), local_call(), moh_handle_digit(), monitor_dial(), and set_moh_exec().
int nat = 0 [static] |
Definition at line 161 of file chan_mgcp.c.
int ncs = 0 [static] |
Definition at line 162 of file chan_mgcp.c.
int nonCodecCapability = AST_RTP_DTMF [static] |
Definition at line 229 of file chan_mgcp.c.
unsigned int oseq_global = 0 [static] |
Definition at line 203 of file chan_mgcp.c.
char ourhost[MAXHOSTNAMELEN] [static] |
Definition at line 231 of file chan_mgcp.c.
Referenced by ast_find_ourip().
int ourport [static] |
Definition at line 233 of file chan_mgcp.c.
Referenced by initreqprep(), and transmit_notify_with_mwi().
char parkinglot[AST_MAX_CONTEXT] [static] |
Definition at line 156 of file chan_mgcp.c.
Referenced by __find_callno(), ast_do_masquerade(), ast_iax2_new(), build_peer(), build_user(), check_access(), check_peer_ok(), create_addr_from_peer(), dahdi_new(), func_channel_write_real(), gtalk_load_config(), gtalk_new(), iax_park(), set_pvt_defaults(), sip_alloc(), sip_new(), sip_park(), skinny_new(), and store_config_core().
int pktcgatealloc = 0 [static] |
Definition at line 163 of file chan_mgcp.c.
struct { ... } qos [static] |
Referenced by reload_config(), and start_rtp().
struct sched_context* sched [static] |
Definition at line 237 of file chan_mgcp.c.
int singlepath = 0 [static] |
Definition at line 191 of file chan_mgcp.c.
int slowsequence = 0 [static] |
Definition at line 182 of file chan_mgcp.c.
const char tdesc[] = "Media Gateway Control Protocol (MGCP)" [static] |
Definition at line 109 of file chan_mgcp.c.
int threewaycalling = 0 [static] |
Definition at line 184 of file chan_mgcp.c.
unsigned int tos |
Definition at line 170 of file chan_mgcp.c.
unsigned int tos_audio |
Definition at line 171 of file chan_mgcp.c.
int transfer = 0 [static] |
This is for flashhook transfers
Definition at line 187 of file chan_mgcp.c.
Referenced by leave_voicemail(), and send_packet().