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) | |
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) |
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 |
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 283 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 242 of file chan_mgcp.c.
Referenced by add_header(), init_req(), init_resp(), and parse().
#define MGCP_MAX_LINES 64 |
Definition at line 243 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 319 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 318 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 294 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 286 of file chan_mgcp.c.
#define SUB_REAL 0 |
Definition at line 285 of file chan_mgcp.c.
#define TYPE_LINE 2 |
Definition at line 322 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 321 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 1615 of file chan_mgcp.c.
References mgcp_request::header, mgcp_request::headers, and len().
Referenced by get_header().
01616 { 01617 int x; 01618 int len = strlen(name); 01619 char *r; 01620 for (x = *start; x < req->headers; x++) { 01621 if (!strncasecmp(req->header[x], name, len) && 01622 (req->header[x][len] == ':')) { 01623 r = req->header[x] + len + 1; 01624 while (*r && (*r < 33)) { 01625 r++; 01626 } 01627 *start = x + 1; 01628 return r; 01629 } 01630 } 01631 /* Don't return NULL, so get_header is always a valid pointer */ 01632 return def; 01633 }
static int __mgcp_xmit | ( | struct mgcp_gateway * | gw, | |
char * | data, | |||
int | len | |||
) | [static] |
Definition at line 544 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().
00545 { 00546 int res; 00547 if (gw->addr.sin_addr.s_addr) 00548 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in)); 00549 else 00550 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in)); 00551 if (res != len) { 00552 ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno)); 00553 } 00554 return res; 00555 }
static int acf_channel_read | ( | struct ast_channel * | chan, | |
const char * | funcname, | |||
char * | preparse, | |||
char * | buf, | |||
size_t | buflen | |||
) | [static] |
Definition at line 4443 of file chan_mgcp.c.
References ast_log(), LOG_ERROR, mgcp_endpoint::ncs, mgcp_subchannel::parent, ast_channel::tech, and ast_channel::tech_pvt.
04444 { 04445 struct mgcp_subchannel *sub = chan->tech_pvt; 04446 int res = 0; 04447 04448 /* Sanity check */ 04449 if (!chan || chan->tech != &mgcp_tech) { 04450 ast_log(LOG_ERROR, "This function requires a valid MGCP channel\n"); 04451 return -1; 04452 } 04453 04454 if (!strcasecmp(args, "ncs")) { 04455 snprintf(buf, buflen, "%s", sub->parent->ncs ? "yes":"no"); 04456 } else { 04457 res = -1; 04458 } 04459 return res; 04460 }
static int add_header | ( | struct mgcp_request * | req, | |
const char * | var, | |||
const char * | value | |||
) | [static] |
Definition at line 2044 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().
02045 { 02046 if (req->len >= sizeof(req->data) - 4) { 02047 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 02048 return -1; 02049 } 02050 if (req->lines) { 02051 ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n"); 02052 return -1; 02053 } 02054 req->header[req->headers] = req->data + req->len; 02055 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value); 02056 req->len += strlen(req->header[req->headers]); 02057 if (req->headers < MGCP_MAX_HEADERS) { 02058 req->headers++; 02059 } else { 02060 ast_log(LOG_WARNING, "Out of header space\n"); 02061 return -1; 02062 } 02063 return 0; 02064 }
static void add_header_offhook | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | resp, | |||
char * | tone | |||
) | [static] |
Definition at line 2598 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().
02599 { 02600 struct mgcp_endpoint *p = sub->parent; 02601 char tone_indicate_end = 0; 02602 02603 /* We also should check the tone to indicate, because it have no sense 02604 to request notify D/[0-9#*] (dtmf keys) if we are sending congestion 02605 tone for example G/cg */ 02606 if (p && (!strcasecmp(tone, (p->ncs ? "L/ro" : "G/cg")))) { 02607 tone_indicate_end = 1; 02608 } 02609 02610 if (p && p->sub && p->sub->owner && 02611 p->sub->owner->_state >= AST_STATE_RINGING && 02612 (p->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID))) { 02613 add_header(resp, "R", "L/hu(N),L/hf(N)"); 02614 02615 } else if (!tone_indicate_end){ 02616 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)")); 02617 } else { 02618 ast_debug(1, "We don't want more digits if we will end the call\n"); 02619 add_header(resp, "R", "L/hu(N),L/hf(N)"); 02620 } 02621 }
static int add_line | ( | struct mgcp_request * | req, | |
char * | line | |||
) | [static] |
Definition at line 2066 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().
02067 { 02068 if (req->len >= sizeof(req->data) - 4) { 02069 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 02070 return -1; 02071 } 02072 if (!req->lines) { 02073 /* Add extra empty return */ 02074 ast_copy_string(req->data + req->len, "\r\n", sizeof(req->data) - req->len); 02075 req->len += strlen(req->data + req->len); 02076 } 02077 req->line[req->lines] = req->data + req->len; 02078 snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line); 02079 req->len += strlen(req->line[req->lines]); 02080 if (req->lines < MGCP_MAX_LINES) { 02081 req->lines++; 02082 } else { 02083 ast_log(LOG_WARNING, "Out of line space\n"); 02084 return -1; 02085 } 02086 return 0; 02087 }
static int add_sdp | ( | struct mgcp_request * | resp, | |
struct mgcp_subchannel * | sub, | |||
struct ast_rtp_instance * | rtp | |||
) | [static] |
Definition at line 2176 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().
02177 { 02178 int len; 02179 int codec; 02180 char costr[80]; 02181 struct sockaddr_in sin; 02182 struct ast_sockaddr sin_tmp; 02183 char v[256]; 02184 char s[256]; 02185 char o[256]; 02186 char c[256]; 02187 char t[256]; 02188 char m[256] = ""; 02189 char a[1024] = ""; 02190 format_t x; 02191 struct sockaddr_in dest = { 0, }; 02192 struct ast_sockaddr dest_tmp; 02193 struct mgcp_endpoint *p = sub->parent; 02194 /* XXX We break with the "recommendation" and send our IP, in order that our 02195 peer doesn't have to ast_gethostbyname() us XXX */ 02196 len = 0; 02197 if (!sub->rtp) { 02198 ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n"); 02199 return -1; 02200 } 02201 ast_rtp_instance_get_local_address(sub->rtp, &sin_tmp); 02202 ast_sockaddr_to_sin(&sin_tmp, &sin); 02203 if (rtp) { 02204 ast_rtp_instance_get_remote_address(sub->rtp, &dest_tmp); 02205 ast_sockaddr_to_sin(&dest_tmp, &dest); 02206 } else { 02207 if (sub->tmpdest.sin_addr.s_addr) { 02208 dest.sin_addr = sub->tmpdest.sin_addr; 02209 dest.sin_port = sub->tmpdest.sin_port; 02210 /* Reset temporary destination */ 02211 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 02212 } else { 02213 dest.sin_addr = p->parent->ourip; 02214 dest.sin_port = sin.sin_port; 02215 } 02216 } 02217 ast_debug(1, "We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port)); 02218 ast_copy_string(v, "v=0\r\n", sizeof(v)); 02219 snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr)); 02220 ast_copy_string(s, "s=session\r\n", sizeof(s)); 02221 snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr)); 02222 ast_copy_string(t, "t=0 0\r\n", sizeof(t)); 02223 snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); 02224 for (x = 1LL; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02225 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02226 /* Audio is now discontiguous */ 02227 continue; 02228 } 02229 if (p->capability & x) { 02230 ast_debug(1, "Answering with capability %s\n", ast_getformatname(x)); 02231 codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 1, x); 02232 if (codec > -1) { 02233 snprintf(costr, sizeof(costr), " %d", codec); 02234 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02235 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(1, x, 0)); 02236 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02237 } 02238 } 02239 } 02240 for (x = 1LL; x <= AST_RTP_MAX; x <<= 1) { 02241 if (p->nonCodecCapability & x) { 02242 ast_debug(1, "Answering with non-codec capability %d\n", (int) x); 02243 codec = ast_rtp_codecs_payload_code(ast_rtp_instance_get_codecs(sub->rtp), 0, x); 02244 if (codec > -1) { 02245 snprintf(costr, sizeof(costr), " %d", codec); 02246 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02247 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype2(0, x, 0)); 02248 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02249 if (x == AST_RTP_DTMF) { 02250 /* Indicate we support DTMF... Not sure about 16, 02251 but MSN supports it so dang it, we will too... */ 02252 snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec); 02253 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02254 } 02255 } 02256 } 02257 } 02258 strncat(m, "\r\n", sizeof(m) - strlen(m) - 1); 02259 len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); 02260 snprintf(costr, sizeof(costr), "%d", len); 02261 add_line(resp, v); 02262 add_line(resp, o); 02263 add_line(resp, s); 02264 add_line(resp, c); 02265 add_line(resp, t); 02266 add_line(resp, m); 02267 add_line(resp, a); 02268 return 0; 02269 }
static struct ast_variable * add_var | ( | const char * | buf, | |
struct ast_variable * | list | |||
) | [static, read] |
Definition at line 4573 of file chan_mgcp.c.
References ast_strdupa, ast_variable_new(), and ast_variable::next.
Referenced by build_gateway().
04574 { 04575 struct ast_variable *tmpvar = NULL; 04576 char *varname = ast_strdupa(buf), *varval = NULL; 04577 04578 if ((varval = strchr(varname, '='))) { 04579 *varval++ = '\0'; 04580 if ((tmpvar = ast_variable_new(varname, varval, ""))) { 04581 tmpvar->next = list; 04582 list = tmpvar; 04583 } 04584 } 04585 return list; 04586 }
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.
static int attempt_transfer | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 3200 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().
03201 { 03202 /* ************************* 03203 * I hope this works. 03204 * Copied out of chan_zap 03205 * Cross your fingers 03206 * *************************/ 03207 03208 /* In order to transfer, we need at least one of the channels to 03209 actually be in a call bridge. We can't conference two applications 03210 together (but then, why would we want to?) */ 03211 if (ast_bridged_channel(p->sub->owner)) { 03212 /* The three-way person we're about to transfer to could still be in MOH, so 03213 stop if now if appropriate */ 03214 if (ast_bridged_channel(p->sub->next->owner)) 03215 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 03216 if (p->sub->owner->_state == AST_STATE_RINGING) { 03217 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 03218 } 03219 if (ast_channel_masquerade(p->sub->next->owner, ast_bridged_channel(p->sub->owner))) { 03220 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 03221 ast_bridged_channel(p->sub->owner)->name, p->sub->next->owner->name); 03222 return -1; 03223 } 03224 /* Orphan the channel */ 03225 unalloc_sub(p->sub->next); 03226 } else if (ast_bridged_channel(p->sub->next->owner)) { 03227 if (p->sub->owner->_state == AST_STATE_RINGING) { 03228 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 03229 } 03230 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 03231 if (ast_channel_masquerade(p->sub->owner, ast_bridged_channel(p->sub->next->owner))) { 03232 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 03233 ast_bridged_channel(p->sub->next->owner)->name, p->sub->owner->name); 03234 return -1; 03235 } 03236 /*swap_subs(p, SUB_THREEWAY, SUB_REAL);*/ 03237 ast_verb(3, "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 03238 p->sub = p->sub->next; 03239 unalloc_sub(p->sub->next); 03240 /* Tell the caller not to hangup */ 03241 return 1; 03242 } else { 03243 ast_debug(1, "Neither %s nor %s are in a bridge, nothing to transfer\n", 03244 p->sub->owner->name, p->sub->next->owner->name); 03245 p->sub->next->owner->_softhangup |= AST_SOFTHANGUP_DEV; 03246 if (p->sub->next->owner) { 03247 p->sub->next->alreadygone = 1; 03248 mgcp_queue_hangup(p->sub->next); 03249 } 03250 } 03251 return 0; 03252 }
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 3958 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().
03959 { 03960 struct mgcp_gateway *gw; 03961 struct mgcp_endpoint *e; 03962 struct mgcp_subchannel *sub; 03963 struct ast_variable *chanvars = NULL; 03964 03965 /*char txident[80];*/ 03966 int i=0, y=0; 03967 int gw_reload = 0; 03968 int ep_reload = 0; 03969 directmedia = DIRECTMEDIA; 03970 03971 /* locate existing gateway */ 03972 for (gw = gateways; gw; gw = gw->next) { 03973 if (!strcasecmp(cat, gw->name)) { 03974 /* gateway already exists */ 03975 gw->delme = 0; 03976 gw_reload = 1; 03977 break; 03978 } 03979 } 03980 03981 if (!gw && !(gw = ast_calloc(1, sizeof(*gw)))) { 03982 return NULL; 03983 } 03984 03985 if (!gw_reload) { 03986 gw->expire = -1; 03987 gw->realtime = 0; 03988 gw->retransid = -1; 03989 ast_mutex_init(&gw->msgs_lock); 03990 ast_copy_string(gw->name, cat, sizeof(gw->name)); 03991 /* check if the name is numeric ip */ 03992 if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE) 03993 gw->isnamedottedip = 1; 03994 } 03995 for (; v; v = v->next) { 03996 if (!strcasecmp(v->name, "host")) { 03997 if (!strcasecmp(v->value, "dynamic")) { 03998 /* They'll register with us */ 03999 gw->dynamic = 1; 04000 memset(&gw->addr.sin_addr, 0, 4); 04001 if (gw->addr.sin_port) { 04002 /* If we've already got a port, make it the default rather than absolute */ 04003 gw->defaddr.sin_port = gw->addr.sin_port; 04004 gw->addr.sin_port = 0; 04005 } 04006 } else { 04007 /* Non-dynamic. Make sure we become that way if we're not */ 04008 AST_SCHED_DEL(sched, gw->expire); 04009 gw->dynamic = 0; 04010 { 04011 struct ast_sockaddr tmp; 04012 04013 ast_sockaddr_from_sin(&tmp, &gw->addr); 04014 if (ast_get_ip(&tmp, v->value)) { 04015 if (!gw_reload) { 04016 ast_mutex_destroy(&gw->msgs_lock); 04017 ast_free(gw); 04018 } 04019 return NULL; 04020 } 04021 ast_sockaddr_to_sin(&tmp, &gw->addr); 04022 } 04023 } 04024 } else if (!strcasecmp(v->name, "defaultip")) { 04025 struct ast_sockaddr tmp; 04026 04027 ast_sockaddr_from_sin(&tmp, &gw->defaddr); 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->defaddr); 04036 } else if (!strcasecmp(v->name, "permit") || 04037 !strcasecmp(v->name, "deny")) { 04038 gw->ha = ast_append_ha(v->name, v->value, gw->ha, NULL); 04039 } else if (!strcasecmp(v->name, "port")) { 04040 gw->addr.sin_port = htons(atoi(v->value)); 04041 } else if (!strcasecmp(v->name, "context")) { 04042 ast_copy_string(context, v->value, sizeof(context)); 04043 } else if (!strcasecmp(v->name, "dtmfmode")) { 04044 if (!strcasecmp(v->value, "inband")) 04045 dtmfmode = MGCP_DTMF_INBAND; 04046 else if (!strcasecmp(v->value, "rfc2833")) 04047 dtmfmode = MGCP_DTMF_RFC2833; 04048 else if (!strcasecmp(v->value, "hybrid")) 04049 dtmfmode = MGCP_DTMF_HYBRID; 04050 else if (!strcasecmp(v->value, "none")) 04051 dtmfmode = 0; 04052 else 04053 ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno); 04054 } else if (!strcasecmp(v->name, "nat")) { 04055 nat = ast_true(v->value); 04056 } else if (!strcasecmp(v->name, "ncs")) { 04057 ncs = ast_true(v->value); 04058 } else if (!strcasecmp(v->name, "hangupongateremove")) { 04059 hangupongateremove = ast_true(v->value); 04060 } else if (!strcasecmp(v->name, "pktcgatealloc")) { 04061 pktcgatealloc = ast_true(v->value); 04062 } else if (!strcasecmp(v->name, "callerid")) { 04063 if (!strcasecmp(v->value, "asreceived")) { 04064 cid_num[0] = '\0'; 04065 cid_name[0] = '\0'; 04066 } else { 04067 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); 04068 } 04069 } else if (!strcasecmp(v->name, "language")) { 04070 ast_copy_string(language, v->value, sizeof(language)); 04071 } else if (!strcasecmp(v->name, "accountcode")) { 04072 ast_copy_string(accountcode, v->value, sizeof(accountcode)); 04073 } else if (!strcasecmp(v->name, "amaflags")) { 04074 y = ast_cdr_amaflags2int(v->value); 04075 if (y < 0) { 04076 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); 04077 } else { 04078 amaflags = y; 04079 } 04080 } else if (!strcasecmp(v->name, "setvar")) { 04081 chanvars = add_var(v->value, chanvars); 04082 } else if (!strcasecmp(v->name, "clearvars")) { 04083 if (chanvars) { 04084 ast_variables_destroy(chanvars); 04085 chanvars = NULL; 04086 } 04087 } else if (!strcasecmp(v->name, "musiconhold")) { 04088 ast_copy_string(musicclass, v->value, sizeof(musicclass)); 04089 } else if (!strcasecmp(v->name, "parkinglot")) { 04090 ast_copy_string(parkinglot, v->value, sizeof(parkinglot)); 04091 } else if (!strcasecmp(v->name, "callgroup")) { 04092 cur_callergroup = ast_get_group(v->value); 04093 } else if (!strcasecmp(v->name, "pickupgroup")) { 04094 cur_pickupgroup = ast_get_group(v->value); 04095 } else if (!strcasecmp(v->name, "immediate")) { 04096 immediate = ast_true(v->value); 04097 } else if (!strcasecmp(v->name, "cancallforward")) { 04098 cancallforward = ast_true(v->value); 04099 } else if (!strcasecmp(v->name, "singlepath")) { 04100 singlepath = ast_true(v->value); 04101 } else if (!strcasecmp(v->name, "directmedia") || !strcasecmp(v->name, "canreinvite")) { 04102 directmedia = ast_true(v->value); 04103 } else if (!strcasecmp(v->name, "mailbox")) { 04104 ast_copy_string(mailbox, v->value, sizeof(mailbox)); 04105 } else if (!strcasecmp(v->name, "hasvoicemail")) { 04106 if (ast_true(v->value) && ast_strlen_zero(mailbox)) { 04107 ast_copy_string(mailbox, gw->name, sizeof(mailbox)); 04108 } 04109 } else if (!strcasecmp(v->name, "adsi")) { 04110 adsi = ast_true(v->value); 04111 } else if (!strcasecmp(v->name, "callreturn")) { 04112 callreturn = ast_true(v->value); 04113 } else if (!strcasecmp(v->name, "callwaiting")) { 04114 callwaiting = ast_true(v->value); 04115 } else if (!strcasecmp(v->name, "slowsequence")) { 04116 slowsequence = ast_true(v->value); 04117 } else if (!strcasecmp(v->name, "transfer")) { 04118 transfer = ast_true(v->value); 04119 } else if (!strcasecmp(v->name, "threewaycalling")) { 04120 threewaycalling = ast_true(v->value); 04121 } else if (!strcasecmp(v->name, "wcardep")) { 04122 /* locate existing endpoint */ 04123 for (e = gw->endpoints; e; e = e->next) { 04124 if (!strcasecmp(v->value, e->name)) { 04125 /* endpoint already exists */ 04126 e->delme = 0; 04127 ep_reload = 1; 04128 break; 04129 } 04130 } 04131 04132 if (!e) { 04133 /* Allocate wildcard endpoint */ 04134 e = ast_calloc(1, sizeof(*e)); 04135 ep_reload = 0; 04136 } 04137 04138 if (e) { 04139 if (!ep_reload) { 04140 memset(e, 0, sizeof(struct mgcp_endpoint)); 04141 ast_mutex_init(&e->lock); 04142 ast_mutex_init(&e->rqnt_queue_lock); 04143 ast_mutex_init(&e->cmd_queue_lock); 04144 ast_copy_string(e->name, v->value, sizeof(e->name)); 04145 e->needaudit = 1; 04146 } 04147 ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep)); 04148 /* XXX Should we really check for uniqueness?? XXX */ 04149 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 04150 ast_copy_string(e->context, context, sizeof(e->context)); 04151 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 04152 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 04153 ast_copy_string(e->language, language, sizeof(e->language)); 04154 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 04155 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 04156 ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot)); 04157 if (!ast_strlen_zero(e->mailbox)) { 04158 char *mbox, *cntx; 04159 cntx = mbox = ast_strdupa(e->mailbox); 04160 strsep(&cntx, "@"); 04161 if (ast_strlen_zero(cntx)) { 04162 cntx = "default"; 04163 } 04164 e->mwi_event_sub = ast_event_subscribe(AST_EVENT_MWI, mwi_event_cb, "MGCP MWI subscription", NULL, 04165 AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mbox, 04166 AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, cntx, 04167 AST_EVENT_IE_NEWMSGS, AST_EVENT_IE_PLTYPE_EXISTS, 04168 AST_EVENT_IE_END); 04169 } 04170 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 04171 e->msgstate = -1; 04172 e->amaflags = amaflags; 04173 e->capability = capability; 04174 e->parent = gw; 04175 e->ncs = ncs; 04176 e->dtmfmode = dtmfmode; 04177 if (!ep_reload && e->sub && e->sub->rtp) { 04178 e->dtmfmode |= MGCP_DTMF_INBAND; 04179 } 04180 e->adsi = adsi; 04181 e->type = TYPE_LINE; 04182 e->immediate = immediate; 04183 e->callgroup=cur_callergroup; 04184 e->pickupgroup=cur_pickupgroup; 04185 e->callreturn = callreturn; 04186 e->cancallforward = cancallforward; 04187 e->singlepath = singlepath; 04188 e->directmedia = directmedia; 04189 e->callwaiting = callwaiting; 04190 e->hascallwaiting = callwaiting; 04191 e->slowsequence = slowsequence; 04192 e->transfer = transfer; 04193 e->threewaycalling = threewaycalling; 04194 e->onhooktime = time(NULL); 04195 /* ASSUME we're onhook */ 04196 e->hookstate = MGCP_ONHOOK; 04197 e->chanvars = copy_vars(chanvars); 04198 if (!ep_reload) { 04199 /*snprintf(txident, sizeof(txident), "%08lx", ast_random());*/ 04200 for (i = 0; i < MAX_SUBS; i++) { 04201 sub = ast_calloc(1, sizeof(*sub)); 04202 if (sub) { 04203 ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 04204 ast_mutex_init(&sub->lock); 04205 ast_mutex_init(&sub->cx_queue_lock); 04206 sub->parent = e; 04207 sub->id = i; 04208 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 04209 /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/ 04210 sub->cxmode = MGCP_CX_INACTIVE; 04211 sub->nat = nat; 04212 sub->gate = NULL; 04213 sub->sdpsent = 0; 04214 sub->next = e->sub; 04215 e->sub = sub; 04216 } else { 04217 /* XXX Should find a way to clean up our memory */ 04218 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 04219 return NULL; 04220 } 04221 } 04222 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 04223 /* find the end of the list */ 04224 for (sub = e->sub; sub && sub->next; sub = sub->next); 04225 /* set the last sub->next to the first sub */ 04226 sub->next = e->sub; 04227 04228 e->next = gw->endpoints; 04229 gw->endpoints = e; 04230 } 04231 } 04232 } else if (!strcasecmp(v->name, "trunk") || 04233 !strcasecmp(v->name, "line")) { 04234 04235 /* locate existing endpoint */ 04236 for (e = gw->endpoints; e; e = e->next) { 04237 if (!strcasecmp(v->value, e->name)) { 04238 /* endpoint already exists */ 04239 e->delme = 0; 04240 ep_reload = 1; 04241 break; 04242 } 04243 } 04244 04245 if (!e) { 04246 e = ast_calloc(1, sizeof(*e)); 04247 ep_reload = 0; 04248 } 04249 04250 if (e) { 04251 if (!ep_reload) { 04252 ast_mutex_init(&e->lock); 04253 ast_mutex_init(&e->rqnt_queue_lock); 04254 ast_mutex_init(&e->cmd_queue_lock); 04255 ast_copy_string(e->name, v->value, sizeof(e->name)); 04256 e->needaudit = 1; 04257 } 04258 /* XXX Should we really check for uniqueness?? XXX */ 04259 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 04260 ast_copy_string(e->context, context, sizeof(e->context)); 04261 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 04262 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 04263 ast_copy_string(e->language, language, sizeof(e->language)); 04264 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 04265 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 04266 ast_copy_string(e->parkinglot, parkinglot, sizeof(e->parkinglot)); 04267 if (!ast_strlen_zero(mailbox)) { 04268 ast_verb(3, "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name); 04269 } 04270 if (!ep_reload) { 04271 /* XXX potential issue due to reload */ 04272 e->msgstate = -1; 04273 e->parent = gw; 04274 } 04275 e->amaflags = amaflags; 04276 e->capability = capability; 04277 e->dtmfmode = dtmfmode; 04278 e->ncs = ncs; 04279 e->pktcgatealloc = pktcgatealloc; 04280 e->hangupongateremove = hangupongateremove; 04281 e->adsi = adsi; 04282 e->type = (!strcasecmp(v->name, "trunk")) ? TYPE_TRUNK : TYPE_LINE; 04283 e->immediate = immediate; 04284 e->callgroup=cur_callergroup; 04285 e->pickupgroup=cur_pickupgroup; 04286 e->callreturn = callreturn; 04287 e->cancallforward = cancallforward; 04288 e->directmedia = directmedia; 04289 e->singlepath = singlepath; 04290 e->callwaiting = callwaiting; 04291 e->hascallwaiting = callwaiting; 04292 e->slowsequence = slowsequence; 04293 e->transfer = transfer; 04294 e->threewaycalling = threewaycalling; 04295 04296 /* If we already have a valid chanvars, it's not a new endpoint (it's a reload), 04297 so first, free previous mem 04298 */ 04299 if (e->chanvars) { 04300 ast_variables_destroy(e->chanvars); 04301 e->chanvars = NULL; 04302 } 04303 e->chanvars = copy_vars(chanvars); 04304 04305 if (!ep_reload) { 04306 e->onhooktime = time(NULL); 04307 /* ASSUME we're onhook */ 04308 e->hookstate = MGCP_ONHOOK; 04309 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 04310 } 04311 04312 for (i = 0, sub = NULL; i < MAX_SUBS; i++) { 04313 if (!ep_reload) { 04314 sub = ast_calloc(1, sizeof(*sub)); 04315 } else { 04316 if (!sub) { 04317 sub = e->sub; 04318 } else { 04319 sub = sub->next; 04320 } 04321 } 04322 04323 if (sub) { 04324 if (!ep_reload) { 04325 ast_verb(3, "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 04326 ast_mutex_init(&sub->lock); 04327 ast_mutex_init(&sub->cx_queue_lock); 04328 ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic)); 04329 sub->parent = e; 04330 sub->id = i; 04331 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 04332 sub->cxmode = MGCP_CX_INACTIVE; 04333 sub->next = e->sub; 04334 e->sub = sub; 04335 } 04336 sub->nat = nat; 04337 } else { 04338 /* XXX Should find a way to clean up our memory */ 04339 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 04340 return NULL; 04341 } 04342 } 04343 if (!ep_reload) { 04344 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 04345 /* find the end of the list */ 04346 for (sub = e->sub; sub && sub->next; sub = sub->next); 04347 /* set the last sub->next to the first sub */ 04348 sub->next = e->sub; 04349 04350 e->next = gw->endpoints; 04351 gw->endpoints = e; 04352 } 04353 } 04354 } else if (!strcasecmp(v->name, "name") || !strcasecmp(v->name, "lines")) { 04355 /* just eliminate realtime warnings */ 04356 } else { 04357 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno); 04358 } 04359 } 04360 if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) { 04361 ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name); 04362 if (!gw_reload) { 04363 ast_mutex_destroy(&gw->msgs_lock); 04364 ast_free(gw); 04365 } 04366 04367 /* Return NULL */ 04368 gw_reload = 1; 04369 } else { 04370 gw->defaddr.sin_family = AF_INET; 04371 gw->addr.sin_family = AF_INET; 04372 if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) { 04373 gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 04374 } 04375 if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) { 04376 gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 04377 } 04378 { 04379 struct ast_sockaddr tmp1, tmp2; 04380 struct sockaddr_in tmp3 = {0,}; 04381 04382 tmp3.sin_addr = gw->ourip; 04383 ast_sockaddr_from_sin(&tmp1, &gw->addr); 04384 ast_sockaddr_from_sin(&tmp2, &tmp3); 04385 if (gw->addr.sin_addr.s_addr && ast_ouraddrfor(&tmp1, &tmp2)) { 04386 memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip)); 04387 } else { 04388 ast_sockaddr_to_sin(&tmp2, &tmp3); 04389 gw->ourip = tmp3.sin_addr; 04390 } 04391 } 04392 } 04393 04394 if (chanvars) { 04395 ast_variables_destroy(chanvars); 04396 chanvars = NULL; 04397 } 04398 return (gw_reload ? NULL : gw); 04399 }
static char* control2str | ( | int | ind | ) | [static] |
Definition at line 1407 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().
01407 { 01408 switch (ind) { 01409 case AST_CONTROL_HANGUP: 01410 return "Other end has hungup"; 01411 case AST_CONTROL_RING: 01412 return "Local ring"; 01413 case AST_CONTROL_RINGING: 01414 return "Remote end is ringing"; 01415 case AST_CONTROL_ANSWER: 01416 return "Remote end has answered"; 01417 case AST_CONTROL_BUSY: 01418 return "Remote end is busy"; 01419 case AST_CONTROL_TAKEOFFHOOK: 01420 return "Make it go off hook"; 01421 case AST_CONTROL_OFFHOOK: 01422 return "Line is off hook"; 01423 case AST_CONTROL_CONGESTION: 01424 return "Congestion (circuits busy)"; 01425 case AST_CONTROL_FLASH: 01426 return "Flash hook"; 01427 case AST_CONTROL_WINK: 01428 return "Wink"; 01429 case AST_CONTROL_OPTION: 01430 return "Set a low-level option"; 01431 case AST_CONTROL_RADIO_KEY: 01432 return "Key Radio"; 01433 case AST_CONTROL_RADIO_UNKEY: 01434 return "Un-Key Radio"; 01435 } 01436 return "UNKNOWN"; 01437 }
static struct ast_variable * copy_vars | ( | struct ast_variable * | src | ) | [static, read] |
duplicate a list of channel variables,
Definition at line 4591 of file chan_mgcp.c.
References ast_variable_new(), and ast_variable::next.
Referenced by build_gateway().
04592 { 04593 struct ast_variable *res = NULL, *tmp, *v = NULL; 04594 04595 for (v = src ; v ; v = v->next) { 04596 if ((tmp = ast_variable_new(v->name, v->value, v->file))) { 04597 tmp->next = res; 04598 res = tmp; 04599 } 04600 } 04601 return res; 04602 }
static void destroy_endpoint | ( | struct mgcp_endpoint * | e | ) | [static] |
Definition at line 4463 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().
04464 { 04465 struct mgcp_subchannel *sub = e->sub->next, *s; 04466 int i; 04467 04468 for (i = 0; i < MAX_SUBS; i++) { 04469 ast_mutex_lock(&sub->lock); 04470 if (!ast_strlen_zero(sub->cxident)) { 04471 transmit_connection_del(sub); 04472 } 04473 if (sub->rtp) { 04474 ast_rtp_instance_destroy(sub->rtp); 04475 sub->rtp = NULL; 04476 } 04477 memset(sub->magic, 0, sizeof(sub->magic)); 04478 mgcp_queue_hangup(sub); 04479 dump_cmd_queues(NULL, sub); 04480 if(sub->gate) { 04481 sub->gate->tech_pvt = NULL; 04482 sub->gate->got_dq_gi = NULL; 04483 sub->gate->gate_remove = NULL; 04484 sub->gate->gate_open = NULL; 04485 } 04486 ast_mutex_unlock(&sub->lock); 04487 sub = sub->next; 04488 } 04489 04490 if (e->dsp) { 04491 ast_dsp_free(e->dsp); 04492 } 04493 04494 dump_queue(e->parent, e); 04495 dump_cmd_queues(e, NULL); 04496 04497 sub = e->sub; 04498 for (i = 0; (i < MAX_SUBS) && sub; i++) { 04499 s = sub; 04500 sub = sub->next; 04501 ast_mutex_destroy(&s->lock); 04502 ast_mutex_destroy(&s->cx_queue_lock); 04503 ast_free(s); 04504 } 04505 04506 if (e->mwi_event_sub) 04507 ast_event_unsubscribe(e->mwi_event_sub); 04508 04509 if (e->chanvars) { 04510 ast_variables_destroy(e->chanvars); 04511 e->chanvars = NULL; 04512 } 04513 04514 ast_mutex_destroy(&e->lock); 04515 ast_mutex_destroy(&e->rqnt_queue_lock); 04516 ast_mutex_destroy(&e->cmd_queue_lock); 04517 ast_free(e); 04518 }
static void destroy_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 4520 of file chan_mgcp.c.
References ast_free, ast_free_ha(), dump_queue(), and mgcp_gateway::ha.
Referenced by prune_gateways().
04521 { 04522 if (g->ha) 04523 ast_free_ha(g->ha); 04524 04525 dump_queue(g, NULL); 04526 04527 ast_free(g); 04528 }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 3760 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().
03761 { 03762 int res; 03763 int reloading; 03764 struct mgcp_gateway *g, *gprev; 03765 /*struct mgcp_gateway *g;*/ 03766 /*struct mgcp_endpoint *e;*/ 03767 /*time_t thispass = 0, lastpass = 0;*/ 03768 time_t lastrun = 0; 03769 03770 /* Add an I/O event to our UDP socket */ 03771 if (mgcpsock > -1) { 03772 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03773 } 03774 /* This thread monitors all the frame relay interfaces which are not yet in use 03775 (and thus do not have a separate thread) indefinitely */ 03776 /* From here on out, we die whenever asked */ 03777 for (;;) { 03778 /* Check for a reload request */ 03779 ast_mutex_lock(&mgcp_reload_lock); 03780 reloading = mgcp_reloading; 03781 mgcp_reloading = 0; 03782 ast_mutex_unlock(&mgcp_reload_lock); 03783 if (reloading) { 03784 ast_verb(1, "Reloading MGCP\n"); 03785 reload_config(1); 03786 /* Add an I/O event to our UDP socket */ 03787 if (mgcpsock > -1 && !mgcpsock_read_id) { 03788 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03789 } 03790 } 03791 03792 /* Check for interfaces needing to be killed */ 03793 /* Don't let anybody kill us right away. Nobody should lock the interface list 03794 and wait for the monitor list, but the other way around is okay. */ 03795 ast_mutex_lock(&monlock); 03796 /* Lock the network interface */ 03797 ast_mutex_lock(&netlock); 03798 03799 #if 0 03800 /* XXX THIS IS COMPLETELY HOSED */ 03801 /* The gateway goes into a state of panic */ 03802 /* If the vmwi indicator is sent while it is reseting interfaces */ 03803 lastpass = thispass; 03804 thispass = time(NULL); 03805 g = gateways; 03806 while(g) { 03807 if (thispass != lastpass) { 03808 e = g->endpoints; 03809 while(e) { 03810 if (e->type == TYPE_LINE) { 03811 res = has_voicemail(e); 03812 if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){ 03813 if (res) { 03814 transmit_notify_request(e, "L/vmwi(+)"); 03815 } else { 03816 transmit_notify_request(e, "L/vmwi(-)"); 03817 } 03818 e->msgstate = res; 03819 e->onhooktime = thispass; 03820 } 03821 } 03822 e = e->next; 03823 } 03824 } 03825 g = g->next; 03826 } 03827 #endif 03828 /* pruning unused realtime gateways, running in every 60 seconds*/ 03829 if(time(NULL) > (lastrun + 60)) { 03830 ast_mutex_lock(&gatelock); 03831 g = gateways; 03832 gprev = NULL; 03833 while(g) { 03834 if(g->realtime) { 03835 if(mgcp_prune_realtime_gateway(g)) { 03836 if(gprev) { 03837 gprev->next = g->next; 03838 } else { 03839 gateways = g->next; 03840 } 03841 ast_mutex_unlock(&g->msgs_lock); 03842 ast_mutex_destroy(&g->msgs_lock); 03843 free(g); 03844 } else { 03845 ast_mutex_unlock(&g->msgs_lock); 03846 gprev = g; 03847 } 03848 } else { 03849 gprev = g; 03850 } 03851 g = g->next; 03852 } 03853 ast_mutex_unlock(&gatelock); 03854 lastrun = time(NULL); 03855 } 03856 /* Okay, now that we know what to do, release the network lock */ 03857 ast_mutex_unlock(&netlock); 03858 /* And from now on, we're okay to be killed, so release the monitor lock as well */ 03859 ast_mutex_unlock(&monlock); 03860 pthread_testcancel(); 03861 /* Wait for sched or io */ 03862 res = ast_sched_wait(sched); 03863 /* copied from chan_sip.c */ 03864 if ((res < 0) || (res > 1000)) { 03865 res = 1000; 03866 } 03867 res = ast_io_wait(io, res); 03868 ast_mutex_lock(&monlock); 03869 if (res >= 0) { 03870 ast_sched_runq(sched); 03871 } 03872 ast_mutex_unlock(&monlock); 03873 } 03874 /* Never reached */ 03875 return NULL; 03876 }
static void dump_cmd_queues | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub | |||
) | [static] |
dump_cmd_queues: (SC:) cleanup pending commands
Definition at line 2681 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().
02682 { 02683 struct mgcp_request *t, *q; 02684 02685 if (p) { 02686 ast_mutex_lock(&p->rqnt_queue_lock); 02687 for (q = p->rqnt_queue; q; t = q->next, ast_free(q), q=t); 02688 p->rqnt_queue = NULL; 02689 ast_mutex_unlock(&p->rqnt_queue_lock); 02690 02691 ast_mutex_lock(&p->cmd_queue_lock); 02692 for (q = p->cmd_queue; q; t = q->next, ast_free(q), q=t); 02693 p->cmd_queue = NULL; 02694 ast_mutex_unlock(&p->cmd_queue_lock); 02695 02696 ast_mutex_lock(&p->sub->cx_queue_lock); 02697 for (q = p->sub->cx_queue; q; t = q->next, ast_free(q), q=t); 02698 p->sub->cx_queue = NULL; 02699 ast_mutex_unlock(&p->sub->cx_queue_lock); 02700 02701 ast_mutex_lock(&p->sub->next->cx_queue_lock); 02702 for (q = p->sub->next->cx_queue; q; t = q->next, ast_free(q), q=t); 02703 p->sub->next->cx_queue = NULL; 02704 ast_mutex_unlock(&p->sub->next->cx_queue_lock); 02705 } else if (sub) { 02706 ast_mutex_lock(&sub->cx_queue_lock); 02707 for (q = sub->cx_queue; q; t = q->next, ast_free(q), q=t); 02708 sub->cx_queue = NULL; 02709 ast_mutex_unlock(&sub->cx_queue_lock); 02710 } 02711 }
static void dump_queue | ( | struct mgcp_gateway * | gw, | |
struct mgcp_endpoint * | p | |||
) | [static] |
Definition at line 580 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().
00581 { 00582 struct mgcp_message *cur, *q = NULL, *w, *prev; 00583 00584 ast_mutex_lock(&gw->msgs_lock); 00585 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 00586 if (!p || cur->owner_ep == p) { 00587 if (prev) { 00588 prev->next = cur->next; 00589 } else { 00590 gw->msgs = cur->next; 00591 } 00592 00593 ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n", 00594 gw->name, cur->seqno); 00595 00596 w = cur; 00597 if (q) { 00598 w->next = q; 00599 } else { 00600 w->next = NULL; 00601 } 00602 q = w; 00603 } 00604 } 00605 ast_mutex_unlock(&gw->msgs_lock); 00606 00607 while (q) { 00608 cur = q; 00609 q = q->next; 00610 ast_free(cur); 00611 } 00612 }
static int find_and_retrans | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 3581 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().
03582 { 03583 int seqno=0; 03584 time_t now; 03585 struct mgcp_response *prev = NULL, *cur, *next, *answer = NULL; 03586 time(&now); 03587 if (sscanf(req->identifier, "%30d", &seqno) != 1) { 03588 seqno = 0; 03589 } 03590 for (cur = sub->parent->parent->responses, next = cur ? cur->next : NULL; cur; cur = next, next = cur ? cur->next : NULL) { 03591 if (now - cur->whensent > RESPONSE_TIMEOUT) { 03592 /* Delete this entry */ 03593 if (prev) 03594 prev->next = next; 03595 else 03596 sub->parent->parent->responses = next; 03597 ast_free(cur); 03598 } else { 03599 if (seqno == cur->seqno) 03600 answer = cur; 03601 prev = cur; 03602 } 03603 } 03604 if (answer) { 03605 resend_response(sub, answer); 03606 return 1; 03607 } 03608 return 0; 03609 }
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 2715 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().
02717 { 02718 struct mgcp_request *prev, *req; 02719 02720 ast_mutex_lock(l); 02721 for (prev = NULL, req = *queue; req; prev = req, req = req->next) { 02722 if (req->trid == ident) { 02723 /* remove from queue */ 02724 if (!prev) 02725 *queue = req->next; 02726 else 02727 prev->next = req->next; 02728 02729 /* send next pending command */ 02730 if (*queue) { 02731 ast_debug(1, "Posting Queued Request:\n%s to %s:%d\n", (*queue)->data, 02732 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 02733 02734 mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid); 02735 } 02736 break; 02737 } 02738 } 02739 ast_mutex_unlock(l); 02740 return req; 02741 }
static struct mgcp_gateway* find_realtime_gw | ( | char * | name, | |
char * | at, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1666 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().
01667 { 01668 struct mgcp_gateway *g = NULL; 01669 struct ast_variable *mgcpgwconfig = NULL; 01670 struct ast_variable *gwv, *epname = NULL; 01671 struct mgcp_endpoint *e; 01672 char lines[256]; 01673 int i, j; 01674 01675 ast_debug(1, "*** find Realtime MGCPGW\n"); 01676 01677 if (!(i = ast_check_realtime("mgcpgw")) || !(j = ast_check_realtime("mgcpep"))) { 01678 return NULL; 01679 } 01680 01681 if (ast_strlen_zero(at)) { 01682 ast_debug(1, "null gw name\n"); 01683 return NULL; 01684 } 01685 01686 if (!(mgcpgwconfig = ast_load_realtime("mgcpgw", "name", at, NULL))) { 01687 return NULL; 01688 } 01689 01690 /*! 01691 * \note This is a fairly odd way of instantiating lines. Instead of each 01692 * line created by virtue of being in the database (and loaded via 01693 * ast_load_realtime_multientry), this code forces a specific order with a 01694 * "lines" entry in the "mgcpgw" record. This has benefits, because as with 01695 * chan_dahdi, values are inherited across definitions. The downside is 01696 * that it's not as clear what the values will be simply by looking at a 01697 * single row in the database, and it's probable that the sanest configuration 01698 * should have the first column in the "mgcpep" table be "clearvars", with a 01699 * static value of "all", if any variables are set at all. It may be worth 01700 * making this assumption explicit in the code in the future, and then just 01701 * using ast_load_realtime_multientry for the "mgcpep" records. 01702 */ 01703 lines[0] = '\0'; 01704 for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) { 01705 if (!strcasecmp(gwv->name, "lines")) { 01706 ast_copy_string(lines, gwv->value, sizeof(lines)); 01707 break; 01708 } 01709 } 01710 /* Position gwv at the end of the list */ 01711 for (gwv = gwv && gwv->next ? gwv : mgcpgwconfig; gwv->next; gwv = gwv->next); 01712 01713 if (!ast_strlen_zero(lines)) { 01714 AST_DECLARE_APP_ARGS(args, 01715 AST_APP_ARG(line)[100]; 01716 ); 01717 AST_STANDARD_APP_ARGS(args, lines); 01718 for (i = 0; i < args.argc; i++) { 01719 gwv->next = ast_load_realtime("mgcpep", "name", at, "line", args.line[i], NULL); 01720 01721 /* Remove "line" AND position gwv at the end of the list. */ 01722 for (epname = NULL; gwv->next; gwv = gwv->next) { 01723 if (!strcasecmp(gwv->next->name, "line")) { 01724 /* Remove it from the list */ 01725 epname = gwv->next; 01726 gwv->next = gwv->next->next; 01727 } 01728 } 01729 /* Since "line" instantiates the configuration, we have to move it to the end. */ 01730 if (epname) { 01731 gwv->next = epname; 01732 epname->next = NULL; 01733 gwv = gwv->next; 01734 } 01735 } 01736 } 01737 for (gwv = mgcpgwconfig; gwv; gwv = gwv->next) { 01738 ast_debug(1, "MGCP Realtime var: %s => %s\n", gwv->name, gwv->value); 01739 } 01740 01741 if (mgcpgwconfig) { 01742 g = build_gateway(at, mgcpgwconfig); 01743 ast_variables_destroy(mgcpgwconfig); 01744 } 01745 if (g) { 01746 g->next = gateways; 01747 g->realtime = 1; 01748 gateways = g; 01749 for (e = g->endpoints; e; e = e->next) { 01750 transmit_audit_endpoint(e); 01751 e->needaudit = 0; 01752 } 01753 } 01754 return g; 01755 }
static struct mgcp_subchannel* find_subchannel_and_lock | ( | char * | name, | |
int | msgid, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1757 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().
01758 { 01759 struct mgcp_endpoint *p = NULL; 01760 struct mgcp_subchannel *sub = NULL; 01761 struct mgcp_gateway *g; 01762 char tmp[256] = ""; 01763 char *at = NULL, *c; 01764 int found = 0; 01765 if (name) { 01766 ast_copy_string(tmp, name, sizeof(tmp)); 01767 at = strchr(tmp, '@'); 01768 if (!at) { 01769 ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name); 01770 return NULL; 01771 } 01772 *at++ = '\0'; 01773 } 01774 ast_mutex_lock(&gatelock); 01775 if (at && (at[0] == '[')) { 01776 at++; 01777 c = strrchr(at, ']'); 01778 if (c) { 01779 *c = '\0'; 01780 } 01781 } 01782 for (g = gateways ? gateways : find_realtime_gw(name, at, sin); g; g = g->next ? g->next : find_realtime_gw(name, at, sin)) { 01783 if ((!name || !strcasecmp(g->name, at)) && 01784 (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) { 01785 /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */ 01786 if (sin && g->dynamic && name) { 01787 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01788 (g->addr.sin_port != sin->sin_port)) { 01789 memcpy(&g->addr, sin, sizeof(g->addr)); 01790 { 01791 struct ast_sockaddr tmp1, tmp2; 01792 struct sockaddr_in tmp3 = {0,}; 01793 01794 tmp3.sin_addr = g->ourip; 01795 ast_sockaddr_from_sin(&tmp1, &g->addr); 01796 ast_sockaddr_from_sin(&tmp2, &tmp3); 01797 if (ast_ouraddrfor(&tmp1, &tmp2)) { 01798 memcpy(&g->ourip, &__ourip, sizeof(g->ourip)); 01799 } 01800 ast_sockaddr_to_sin(&tmp2, &tmp3); 01801 g->ourip = tmp3.sin_addr; 01802 } 01803 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)); 01804 } 01805 /* not dynamic, check if the name matches */ 01806 } else if (name) { 01807 if (strcasecmp(g->name, at)) { 01808 g = g->next; 01809 continue; 01810 } 01811 /* not dynamic, no name, check if the addr matches */ 01812 } else if (!name && sin) { 01813 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01814 (g->addr.sin_port != sin->sin_port)) { 01815 if(!g->next) 01816 g = find_realtime_gw(name, at, sin); 01817 else 01818 g = g->next; 01819 continue; 01820 } 01821 } else { 01822 continue; 01823 } 01824 for (p = g->endpoints; p; p = p->next) { 01825 ast_debug(1, "Searching on %s@%s for subchannel\n", p->name, g->name); 01826 if (msgid) { 01827 sub = p->sub; 01828 found = 1; 01829 break; 01830 } else if (name && !strcasecmp(p->name, tmp)) { 01831 ast_debug(1, "Coundn't determine subchannel, assuming current master %s@%s-%d\n", 01832 p->name, g->name, p->sub->id); 01833 sub = p->sub; 01834 found = 1; 01835 break; 01836 } 01837 } 01838 if (sub && found) { 01839 ast_mutex_lock(&sub->lock); 01840 break; 01841 } 01842 } 01843 } 01844 ast_mutex_unlock(&gatelock); 01845 if (!sub) { 01846 if (name) { 01847 if (g) { 01848 ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at); 01849 } else { 01850 ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp); 01851 } 01852 } 01853 } 01854 return sub; 01855 }
static char* get_csv | ( | char * | c, | |
int * | len, | |||
char ** | next | |||
) | [static] |
get_csv: (SC:) get comma separated value
Definition at line 1642 of file chan_mgcp.c.
Referenced by handle_response().
01643 { 01644 char *s; 01645 01646 *next = NULL, *len = 0; 01647 if (!c) return NULL; 01648 01649 while (*c && (*c < 33 || *c == ',')) { 01650 c++; 01651 } 01652 01653 s = c; 01654 while (*c && (*c >= 33 && *c != ',')) { 01655 c++, (*len)++; 01656 } 01657 *next = c; 01658 01659 if (*len == 0) { 01660 s = NULL, *next = NULL; 01661 } 01662 01663 return s; 01664 }
static char* get_header | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1635 of file chan_mgcp.c.
References __get_header().
Referenced by handle_request(), and handle_response().
01636 { 01637 int start = 0; 01638 return __get_header(req, name, &start, ""); 01639 }
static char* get_sdp | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1586 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 1576 of file chan_mgcp.c.
Referenced by get_sdp(), and get_sdp_iterate().
01577 { 01578 if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') { 01579 char *r = line + nameLen + 1; 01580 while (*r && (*r < 33)) ++r; 01581 return r; 01582 } 01583 return ""; 01584 }
static char* get_sdp_iterate | ( | int * | iterator, | |
struct mgcp_request * | req, | |||
char * | name | |||
) | [static] |
Definition at line 1604 of file chan_mgcp.c.
References get_sdp_by_line(), len(), and mgcp_request::line.
Referenced by process_sdp().
01605 { 01606 int len = strlen(name); 01607 char *r; 01608 while (*iterator < req->lines) { 01609 r = get_sdp_by_line(req->line[(*iterator)++], name, len); 01610 if (r[0] != '\0') return r; 01611 } 01612 return ""; 01613 }
static void handle_hd_hf | ( | struct mgcp_subchannel * | sub, | |
char * | ev | |||
) | [static] |
Definition at line 3254 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().
03255 { 03256 struct mgcp_endpoint *p = sub->parent; 03257 struct ast_channel *c; 03258 pthread_t t; 03259 03260 /* Off hook / answer */ 03261 if (sub->outgoing) { 03262 /* Answered */ 03263 if (sub->owner) { 03264 if (ast_bridged_channel(sub->owner)) 03265 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03266 sub->cxmode = MGCP_CX_SENDRECV; 03267 if (!sub->rtp) { 03268 start_rtp(sub); 03269 } else { 03270 transmit_modify_request(sub); 03271 } 03272 /*transmit_notify_request(sub, "aw");*/ 03273 transmit_notify_request(sub, ""); 03274 mgcp_queue_control(sub, AST_CONTROL_ANSWER); 03275 } 03276 } else { 03277 /* Start switch */ 03278 /*sub->cxmode = MGCP_CX_SENDRECV;*/ 03279 if (!sub->owner) { 03280 if (!sub->rtp) { 03281 start_rtp(sub); 03282 } else { 03283 transmit_modify_request(sub); 03284 } 03285 if (p->immediate) { 03286 /* The channel is immediately up. Start right away */ 03287 #ifdef DLINK_BUGGY_FIRMWARE 03288 transmit_notify_request(sub, "rt"); 03289 #else 03290 transmit_notify_request(sub, p->ncs ? "L/rt" : "G/rt"); 03291 #endif 03292 c = mgcp_new(sub, AST_STATE_RING, NULL); 03293 if (!c) { 03294 ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name); 03295 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03296 ast_hangup(c); 03297 } 03298 } else { 03299 if (has_voicemail(p)) { 03300 transmit_notify_request(sub, "L/sl"); 03301 } else { 03302 transmit_notify_request(sub, "L/dl"); 03303 } 03304 c = mgcp_new(sub, AST_STATE_DOWN, NULL); 03305 if (c) { 03306 if (ast_pthread_create_detached(&t, NULL, mgcp_ss, c)) { 03307 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno)); 03308 ast_hangup(c); 03309 } 03310 } else { 03311 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name); 03312 } 03313 } 03314 } else { 03315 if (p->hookstate == MGCP_OFFHOOK) { 03316 ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03317 } else { 03318 ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03319 ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n"); 03320 } 03321 if (ast_bridged_channel(sub->owner)) 03322 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03323 sub->cxmode = MGCP_CX_SENDRECV; 03324 if (!sub->rtp) { 03325 start_rtp(sub); 03326 } else { 03327 transmit_modify_request(sub); 03328 } 03329 /*transmit_notify_request(sub, "aw");*/ 03330 transmit_notify_request(sub, ""); 03331 /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/ 03332 } 03333 } 03334 }
static char* handle_mgcp_audit_endpoint | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1080 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.
01081 { 01082 struct mgcp_gateway *mg; 01083 struct mgcp_endpoint *me; 01084 int found = 0; 01085 char *ename,*gname, *c; 01086 01087 switch (cmd) { 01088 case CLI_INIT: 01089 e->command = "mgcp audit endpoint"; 01090 e->usage = 01091 "Usage: mgcp audit endpoint <endpointid>\n" 01092 " Lists the capabilities of an endpoint in the MGCP (Media Gateway Control Protocol) subsystem.\n" 01093 " mgcp debug MUST be on to see the results of this command.\n"; 01094 return NULL; 01095 case CLI_GENERATE: 01096 return NULL; 01097 } 01098 01099 if (!mgcpdebug) { 01100 return CLI_SHOWUSAGE; 01101 } 01102 if (a->argc != 4) 01103 return CLI_SHOWUSAGE; 01104 /* split the name into parts by null */ 01105 ename = ast_strdupa(a->argv[3]); 01106 for (gname = ename; *gname; gname++) { 01107 if (*gname == '@') { 01108 *gname = 0; 01109 gname++; 01110 break; 01111 } 01112 } 01113 if (gname[0] == '[') { 01114 gname++; 01115 } 01116 if ((c = strrchr(gname, ']'))) { 01117 *c = '\0'; 01118 } 01119 ast_mutex_lock(&gatelock); 01120 for (mg = gateways; mg; mg = mg->next) { 01121 if (!strcasecmp(mg->name, gname)) { 01122 for (me = mg->endpoints; me; me = me->next) { 01123 if (!strcasecmp(me->name, ename)) { 01124 found = 1; 01125 transmit_audit_endpoint(me); 01126 break; 01127 } 01128 } 01129 if (found) { 01130 break; 01131 } 01132 } 01133 } 01134 if (!found) { 01135 ast_cli(a->fd, " << Could not find endpoint >> "); 01136 } 01137 ast_mutex_unlock(&gatelock); 01138 return CLI_SUCCESS; 01139 }
static char* handle_mgcp_set_debug | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1141 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.
01142 { 01143 switch (cmd) { 01144 case CLI_INIT: 01145 e->command = "mgcp set debug {on|off}"; 01146 e->usage = 01147 "Usage: mgcp set debug {on|off}\n" 01148 " Enables/Disables dumping of MGCP packets for debugging purposes\n"; 01149 return NULL; 01150 case CLI_GENERATE: 01151 return NULL; 01152 } 01153 01154 if (a->argc != e->args) 01155 return CLI_SHOWUSAGE; 01156 01157 if (!strncasecmp(a->argv[e->args - 1], "on", 2)) { 01158 mgcpdebug = 1; 01159 ast_cli(a->fd, "MGCP Debugging Enabled\n"); 01160 } else if (!strncasecmp(a->argv[3], "off", 3)) { 01161 mgcpdebug = 0; 01162 ast_cli(a->fd, "MGCP Debugging Disabled\n"); 01163 } else { 01164 return CLI_SHOWUSAGE; 01165 } 01166 return CLI_SUCCESS; 01167 }
static char* handle_mgcp_show_endpoints | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 1038 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.
01039 { 01040 struct mgcp_gateway *mg; 01041 struct mgcp_endpoint *me; 01042 int hasendpoints = 0; 01043 struct ast_variable * v = NULL; 01044 01045 switch (cmd) { 01046 case CLI_INIT: 01047 e->command = "mgcp show endpoints"; 01048 e->usage = 01049 "Usage: mgcp show endpoints\n" 01050 " Lists all endpoints known to the MGCP (Media Gateway Control Protocol) subsystem.\n"; 01051 return NULL; 01052 case CLI_GENERATE: 01053 return NULL; 01054 } 01055 01056 if (a->argc != 3) { 01057 return CLI_SHOWUSAGE; 01058 } 01059 ast_mutex_lock(&gatelock); 01060 for (mg = gateways; mg; mg = mg->next) { 01061 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"); 01062 for (me = mg->endpoints; me; me = me->next) { 01063 ast_cli(a->fd, " -- '%s@%s in '%s' is %s\n", me->name, mg->name, me->context, me->sub->owner ? "active" : "idle"); 01064 if (me->chanvars) { 01065 ast_cli(a->fd, " Variables:\n"); 01066 for (v = me->chanvars ; v ; v = v->next) { 01067 ast_cli(a->fd, " %s = '%s'\n", v->name, v->value); 01068 } 01069 } 01070 hasendpoints = 1; 01071 } 01072 if (!hasendpoints) { 01073 ast_cli(a->fd, " << No Endpoints Defined >> "); 01074 } 01075 } 01076 ast_mutex_unlock(&gatelock); 01077 return CLI_SUCCESS; 01078 }
static int handle_request | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 3336 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().
03337 { 03338 char *ev, *s; 03339 struct ast_frame f = { 0, }; 03340 struct mgcp_endpoint *p = sub->parent; 03341 struct mgcp_gateway *g = NULL; 03342 int res; 03343 03344 ast_debug(1, "Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name); 03345 /* Clear out potential response */ 03346 if (!strcasecmp(req->verb, "RSIP")) { 03347 /* Test if this RSIP request is just a keepalive */ 03348 if (!strcasecmp( get_header(req, "RM"), "X-keepalive")) { 03349 ast_verb(3, "Received keepalive request from %s@%s\n", p->name, p->parent->name); 03350 transmit_response(sub, "200", req, "OK"); 03351 } else { 03352 dump_queue(p->parent, p); 03353 dump_cmd_queues(p, NULL); 03354 03355 if ((strcmp(p->name, p->parent->wcardep) != 0)) { 03356 ast_verb(3, "Resetting interface %s@%s\n", p->name, p->parent->name); 03357 } 03358 /* For RSIP on wildcard we reset all endpoints */ 03359 if (!strcmp(p->name, p->parent->wcardep)) { 03360 /* Reset all endpoints */ 03361 struct mgcp_endpoint *tmp_ep; 03362 03363 g = p->parent; 03364 for (tmp_ep = g->endpoints; tmp_ep; tmp_ep = tmp_ep->next) { 03365 /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/ 03366 if (strcmp(tmp_ep->name, g->wcardep) != 0) { 03367 struct mgcp_subchannel *tmp_sub, *first_sub; 03368 ast_verb(3, "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name); 03369 03370 first_sub = tmp_ep->sub; 03371 tmp_sub = tmp_ep->sub; 03372 while (tmp_sub) { 03373 mgcp_queue_hangup(tmp_sub); 03374 tmp_sub = tmp_sub->next; 03375 if (tmp_sub == first_sub) 03376 break; 03377 } 03378 } 03379 } 03380 } else if (sub->owner) { 03381 mgcp_queue_hangup(sub); 03382 } 03383 transmit_response(sub, "200", req, "OK"); 03384 /* We don't send NTFY or AUEP to wildcard ep */ 03385 if (strcmp(p->name, p->parent->wcardep) != 0) { 03386 transmit_notify_request(sub, ""); 03387 /* Audit endpoint. 03388 Idea is to prevent lost lines due to race conditions 03389 */ 03390 transmit_audit_endpoint(p); 03391 } 03392 } 03393 } else if (!strcasecmp(req->verb, "NTFY")) { 03394 /* Acknowledge and be sure we keep looking for the same things */ 03395 transmit_response(sub, "200", req, "OK"); 03396 /* Notified of an event */ 03397 ev = get_header(req, "O"); 03398 s = strchr(ev, '/'); 03399 if (s) ev = s + 1; 03400 ast_debug(1, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev); 03401 /* Keep looking for events unless this was a hangup */ 03402 if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) { 03403 transmit_notify_request(sub, p->curtone); 03404 } 03405 if (!strcasecmp(ev, "hd")) { 03406 p->hookstate = MGCP_OFFHOOK; 03407 sub->cxmode = MGCP_CX_SENDRECV; 03408 03409 if (p) { 03410 /* When the endpoint have a Off hook transition we allways 03411 starts without any previous dtmfs */ 03412 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03413 } 03414 03415 handle_hd_hf(sub, ev); 03416 } else if (!strcasecmp(ev, "hf")) { 03417 /* We can assume we are offhook if we received a hookflash */ 03418 /* First let's just do call wait and ignore threeway */ 03419 /* We're currently in charge */ 03420 if (p->hookstate != MGCP_OFFHOOK) { 03421 /* Cisco c7940 sends hf even if the phone is onhook */ 03422 /* Thanks to point on IRC for pointing this out */ 03423 return -1; 03424 } 03425 /* do not let * conference two down channels */ 03426 if (sub->owner && sub->owner->_state == AST_STATE_DOWN && !sub->next->owner) 03427 return -1; 03428 03429 if (p->callwaiting || p->transfer || p->threewaycalling) { 03430 ast_verb(3, "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 03431 p->sub = p->sub->next; 03432 03433 /* transfer control to our next subchannel */ 03434 if (!sub->next->owner) { 03435 /* plave the first call on hold and start up a new call */ 03436 sub->cxmode = MGCP_CX_MUTE; 03437 ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03438 transmit_modify_request(sub); 03439 if (sub->owner && ast_bridged_channel(sub->owner)) 03440 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03441 sub->next->cxmode = MGCP_CX_RECVONLY; 03442 handle_hd_hf(sub->next, ev); 03443 } else if (sub->owner && sub->next->owner) { 03444 /* We've got two active calls lets decide whether or not to conference or just flip flop */ 03445 if ((!sub->outgoing) && (!sub->next->outgoing)) { 03446 /* We made both calls lets conferenct */ 03447 ast_verb(3, "MGCP Conferencing %d and %d on %s@%s\n", 03448 sub->id, sub->next->id, p->name, p->parent->name); 03449 sub->cxmode = MGCP_CX_CONF; 03450 sub->next->cxmode = MGCP_CX_CONF; 03451 if (ast_bridged_channel(sub->next->owner)) 03452 ast_queue_control(sub->next->owner, AST_CONTROL_UNHOLD); 03453 transmit_modify_request(sub); 03454 transmit_modify_request(sub->next); 03455 } else { 03456 /* Let's flipflop between calls */ 03457 /* XXX Need to check for state up ??? */ 03458 /* XXX Need a way to indicate the current call, or maybe the call that's waiting */ 03459 ast_verb(3, "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n", 03460 sub->id, sub->next->id, p->name, p->parent->name); 03461 sub->cxmode = MGCP_CX_MUTE; 03462 ast_verb(3, "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03463 transmit_modify_request(sub); 03464 if (ast_bridged_channel(sub->owner)) 03465 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03466 03467 if (ast_bridged_channel(sub->next->owner)) 03468 ast_queue_control(sub->next->owner, AST_CONTROL_HOLD); 03469 03470 handle_hd_hf(sub->next, ev); 03471 } 03472 } else { 03473 /* We've most likely lost one of our calls find an active call and bring it up */ 03474 if (sub->owner) { 03475 p->sub = sub; 03476 } else if (sub->next->owner) { 03477 p->sub = sub->next; 03478 } else { 03479 /* We seem to have lost both our calls */ 03480 /* XXX - What do we do now? */ 03481 return -1; 03482 } 03483 if (ast_bridged_channel(p->sub->owner)) 03484 ast_queue_control(p->sub->owner, AST_CONTROL_UNHOLD); 03485 p->sub->cxmode = MGCP_CX_SENDRECV; 03486 transmit_modify_request(p->sub); 03487 } 03488 } else { 03489 ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n", 03490 p->name, p->parent->name); 03491 } 03492 } else if (!strcasecmp(ev, "hu")) { 03493 p->hookstate = MGCP_ONHOOK; 03494 sub->cxmode = MGCP_CX_RECVONLY; 03495 ast_debug(1, "MGCP %s@%s Went on hook\n", p->name, p->parent->name); 03496 /* Do we need to send MDCX before a DLCX ? 03497 if (sub->rtp) { 03498 transmit_modify_request(sub); 03499 } 03500 */ 03501 if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) { 03502 /* We're allowed to transfer, we have two avtive calls and */ 03503 /* we made at least one of the calls. Let's try and transfer */ 03504 ast_mutex_lock(&p->sub->next->lock); 03505 res = attempt_transfer(p); 03506 if (res < 0) { 03507 if (p->sub->next->owner) { 03508 sub->next->alreadygone = 1; 03509 mgcp_queue_hangup(sub->next); 03510 } 03511 } else if (res) { 03512 ast_log(LOG_WARNING, "Transfer attempt failed\n"); 03513 ast_mutex_unlock(&p->sub->next->lock); 03514 return -1; 03515 } 03516 ast_mutex_unlock(&p->sub->next->lock); 03517 } else { 03518 /* Hangup the current call */ 03519 /* If there is another active call, mgcp_hangup will ring the phone with the other call */ 03520 if (sub->owner) { 03521 sub->alreadygone = 1; 03522 mgcp_queue_hangup(sub); 03523 } else { 03524 ast_verb(3, "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n", 03525 p->name, p->parent->name, sub->id); 03526 /* Instruct the other side to remove the connection since it apparently * 03527 * still thinks the channel is active. * 03528 * For Cisco IAD2421 /BAK/ */ 03529 transmit_connection_del(sub); 03530 } 03531 } 03532 if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) { 03533 p->hidecallerid = 0; 03534 if (p->hascallwaiting && !p->callwaiting) { 03535 ast_verb(3, "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id); 03536 p->callwaiting = -1; 03537 } 03538 if (has_voicemail(p)) { 03539 ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name); 03540 transmit_notify_request(sub, "L/vmwi(+)"); 03541 } else { 03542 ast_verb(3, "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name); 03543 transmit_notify_request(sub, "L/vmwi(-)"); 03544 } 03545 } 03546 } else if ((strlen(ev) == 1) && 03547 (((ev[0] >= '0') && (ev[0] <= '9')) || 03548 ((ev[0] >= 'A') && (ev[0] <= 'D')) || 03549 (ev[0] == '*') || (ev[0] == '#'))) { 03550 if (sub && sub->owner && (sub->owner->_state >= AST_STATE_UP)) { 03551 f.frametype = AST_FRAME_DTMF; 03552 f.subclass.integer = ev[0]; 03553 f.src = "mgcp"; 03554 /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */ 03555 mgcp_queue_frame(sub, &f); 03556 ast_mutex_lock(&sub->next->lock); 03557 if (sub->next->owner) 03558 mgcp_queue_frame(sub->next, &f); 03559 ast_mutex_unlock(&sub->next->lock); 03560 if (strstr(p->curtone, (p->ncs ? "wt1" : "wt")) && (ev[0] == 'A')) { 03561 memset(p->curtone, 0, sizeof(p->curtone)); 03562 } 03563 } else { 03564 p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0]; 03565 p->dtmf_buf[strlen(p->dtmf_buf)] = '\0'; 03566 } 03567 } else if (!strcasecmp(ev, "T")) { 03568 /* Digit timeout -- unimportant */ 03569 } else if (!strcasecmp(ev, "ping")) { 03570 /* ping -- unimportant */ 03571 } else { 03572 ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name); 03573 } 03574 } else { 03575 ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr)); 03576 transmit_response(sub, "510", req, "Unknown verb"); 03577 } 03578 return 0; 03579 }
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 2744 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().
02746 { 02747 char *c; 02748 struct mgcp_request *req; 02749 struct mgcp_gateway *gw = p->parent; 02750 02751 if (result < 200) { 02752 /* provisional response */ 02753 return; 02754 } 02755 02756 if (p->slowsequence) 02757 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02758 else if (sub) 02759 req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident); 02760 else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident))) 02761 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02762 02763 if (!req) { 02764 ast_verb(3, "No command found on [%s] for transaction %d. Ignoring...\n", 02765 gw->name, ident); 02766 return; 02767 } 02768 02769 if (p && (result >= 400) && (result <= 599)) { 02770 switch (result) { 02771 case 401: 02772 p->hookstate = MGCP_OFFHOOK; 02773 break; 02774 case 402: 02775 p->hookstate = MGCP_ONHOOK; 02776 break; 02777 case 406: 02778 ast_log(LOG_NOTICE, "Transaction %d timed out\n", ident); 02779 break; 02780 case 407: 02781 ast_log(LOG_NOTICE, "Transaction %d aborted\n", ident); 02782 break; 02783 } 02784 if (sub) { 02785 if (!sub->cxident[0] && (req->cmd == MGCP_CMD_CRCX)) { 02786 ast_log(LOG_NOTICE, "DLCX for all connections on %s due to error %d\n", gw->name, result); 02787 transmit_connection_del(sub); 02788 } 02789 if (sub->owner) { 02790 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02791 result, p->name, p->parent->name, sub ? sub->id:-1); 02792 mgcp_queue_hangup(sub); 02793 } 02794 } else { 02795 if (p->sub->next->owner) { 02796 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02797 result, p->name, p->parent->name, sub ? sub->id:-1); 02798 mgcp_queue_hangup(p->sub); 02799 } 02800 02801 if (p->sub->owner) { 02802 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02803 result, p->name, p->parent->name, sub ? sub->id:-1); 02804 mgcp_queue_hangup(p->sub); 02805 } 02806 02807 dump_cmd_queues(p, NULL); 02808 } 02809 } 02810 02811 if (resp) { 02812 /* responseAck: */ 02813 if (result == 200 && (req->cmd == MGCP_CMD_CRCX || req->cmd == MGCP_CMD_MDCX)) { 02814 if (sub) { 02815 transmit_response(sub, "000", resp, "OK"); 02816 if (sub->owner && sub->owner->_state == AST_STATE_RINGING) { 02817 ast_queue_control(sub->owner, AST_CONTROL_RINGING); 02818 } 02819 } 02820 } 02821 if (req->cmd == MGCP_CMD_CRCX) { 02822 if ((c = get_header(resp, "I"))) { 02823 if (!ast_strlen_zero(c) && sub) { 02824 /* if we are hanging up do not process this conn. */ 02825 if (sub->owner) { 02826 if (!ast_strlen_zero(sub->cxident)) { 02827 if (strcasecmp(c, sub->cxident)) { 02828 ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c); 02829 } 02830 } 02831 ast_copy_string(sub->cxident, c, sizeof(sub->cxident)); 02832 if (sub->tmpdest.sin_addr.s_addr) { 02833 transmit_modify_with_sdp(sub, NULL, 0); 02834 } 02835 } else { 02836 /* XXX delete this one 02837 callid and conn id may already be lost. 02838 so the following del conn may have a side effect of 02839 cleaning up the next subchannel */ 02840 transmit_connection_del(sub); 02841 } 02842 } 02843 } 02844 } 02845 02846 if (req->cmd == MGCP_CMD_AUEP) { 02847 /* check stale connection ids */ 02848 if ((c = get_header(resp, "I"))) { 02849 char *v, *n; 02850 int len; 02851 while ((v = get_csv(c, &len, &n))) { 02852 if (len) { 02853 if (strncasecmp(v, p->sub->cxident, len) && 02854 strncasecmp(v, p->sub->next->cxident, len)) { 02855 /* connection id not found. delete it */ 02856 char cxident[80] = ""; 02857 02858 if (len > (sizeof(cxident) - 1)) 02859 len = sizeof(cxident) - 1; 02860 ast_copy_string(cxident, v, len); 02861 ast_verb(3, "Non existing connection id %s on %s@%s \n", 02862 cxident, p->name, gw->name); 02863 transmit_connection_del_w_params(p, NULL, cxident); 02864 } 02865 } 02866 c = n; 02867 } 02868 } 02869 02870 /* Try to determine the hookstate returned from an audit endpoint command */ 02871 if ((c = get_header(resp, "ES"))) { 02872 if (!ast_strlen_zero(c)) { 02873 if (strstr(c, "hu")) { 02874 if (p->hookstate != MGCP_ONHOOK) { 02875 /* XXX cleanup if we think we are offhook XXX */ 02876 if ((p->sub->owner || p->sub->next->owner ) && 02877 p->hookstate == MGCP_OFFHOOK) 02878 mgcp_queue_hangup(sub); 02879 p->hookstate = MGCP_ONHOOK; 02880 02881 /* update the requested events according to the new hookstate */ 02882 transmit_notify_request(p->sub, ""); 02883 02884 ast_verb(3, "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name); 02885 } 02886 } else if (strstr(c, "hd")) { 02887 if (p->hookstate != MGCP_OFFHOOK) { 02888 p->hookstate = MGCP_OFFHOOK; 02889 02890 /* update the requested events according to the new hookstate */ 02891 transmit_notify_request(p->sub, ""); 02892 02893 ast_verb(3, "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name); 02894 } 02895 } 02896 } 02897 } 02898 } 02899 02900 if (resp && resp->lines) { 02901 /* do not process sdp if we are hanging up. this may be a late response */ 02902 if (sub && sub->owner) { 02903 if (!sub->rtp) 02904 start_rtp(sub); 02905 if (sub->rtp) 02906 process_sdp(sub, resp); 02907 } 02908 } 02909 } 02910 02911 ast_free(req); 02912 }
static int has_voicemail | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 491 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().
00492 { 00493 int new_msgs; 00494 struct ast_event *event; 00495 char *mbox, *cntx; 00496 00497 cntx = mbox = ast_strdupa(p->mailbox); 00498 strsep(&cntx, "@"); 00499 if (ast_strlen_zero(cntx)) 00500 cntx = "default"; 00501 00502 event = ast_event_get_cached(AST_EVENT_MWI, 00503 AST_EVENT_IE_MAILBOX, AST_EVENT_IE_PLTYPE_STR, mbox, 00504 AST_EVENT_IE_CONTEXT, AST_EVENT_IE_PLTYPE_STR, cntx, 00505 AST_EVENT_IE_END); 00506 00507 if (event) { 00508 new_msgs = ast_event_get_ie_uint(event, AST_EVENT_IE_NEWMSGS); 00509 ast_event_destroy(event); 00510 } else 00511 new_msgs = ast_app_has_voicemail(p->mailbox, NULL); 00512 00513 return new_msgs; 00514 }
static int init_req | ( | struct mgcp_endpoint * | p, | |
struct mgcp_request * | req, | |||
char * | verb | |||
) | [static] |
Definition at line 2107 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().
02108 { 02109 /* Initialize a response */ 02110 if (req->headers || req->len) { 02111 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 02112 return -1; 02113 } 02114 req->header[req->headers] = req->data + req->len; 02115 /* check if we need brackets around the gw name */ 02116 if (p->parent->isnamedottedip) { 02117 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %d %s@[%s] MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : ""); 02118 } else { 02119 + snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %d %s@%s MGCP 1.0%s\r\n", verb, oseq, p->name, p->parent->name, p->ncs ? " NCS 1.0" : ""); 02120 } 02121 req->len += strlen(req->header[req->headers]); 02122 if (req->headers < MGCP_MAX_HEADERS) { 02123 req->headers++; 02124 } else { 02125 ast_log(LOG_WARNING, "Out of header space\n"); 02126 } 02127 return 0; 02128 }
static int init_resp | ( | struct mgcp_request * | req, | |
char * | resp, | |||
struct mgcp_request * | orig, | |||
char * | resprest | |||
) | [static] |
Definition at line 2089 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().
02090 { 02091 /* Initialize a response */ 02092 if (req->headers || req->len) { 02093 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 02094 return -1; 02095 } 02096 req->header[req->headers] = req->data + req->len; 02097 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest); 02098 req->len += strlen(req->header[req->headers]); 02099 if (req->headers < MGCP_MAX_HEADERS) { 02100 req->headers++; 02101 } else { 02102 ast_log(LOG_WARNING, "Out of header space\n"); 02103 } 02104 return 0; 02105 }
static int load_module | ( | void | ) | [static] |
load_module: PBX load module - initialization ---
Definition at line 4780 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().
04781 { 04782 if (!(sched = sched_context_create())) { 04783 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 04784 return AST_MODULE_LOAD_FAILURE; 04785 } 04786 04787 if (!(io = io_context_create())) { 04788 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 04789 sched_context_destroy(sched); 04790 return AST_MODULE_LOAD_FAILURE; 04791 } 04792 04793 if (reload_config(0)) 04794 return AST_MODULE_LOAD_DECLINE; 04795 04796 /* Make sure we can register our mgcp channel type */ 04797 if (ast_channel_register(&mgcp_tech)) { 04798 ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n"); 04799 io_context_destroy(io); 04800 sched_context_destroy(sched); 04801 return AST_MODULE_LOAD_FAILURE; 04802 } 04803 04804 ast_rtp_glue_register(&mgcp_rtp_glue); 04805 ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04806 04807 /* And start the monitor for the first time */ 04808 restart_monitor(); 04809 04810 return AST_MODULE_LOAD_SUCCESS; 04811 }
static int mgcp_alloc_pktcgate | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2409 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().
02410 { 02411 struct mgcp_endpoint *p = sub->parent; 02412 sub->gate = ast_pktccops_gate_alloc(GATE_SET, NULL, ntohl(p->parent->addr.sin_addr.s_addr), 02413 8, 128000, 232, 0, 0, NULL, &mgcp_pktcgate_remove); 02414 02415 if (!sub->gate) { 02416 return 0; 02417 } 02418 sub->gate->tech_pvt = sub; 02419 sub->gate->gate_open = &mgcp_pktcgate_open; 02420 return 1; 02421 }
static int mgcp_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1176 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().
01177 { 01178 int res = 0; 01179 struct mgcp_subchannel *sub = ast->tech_pvt; 01180 struct mgcp_endpoint *p = sub->parent; 01181 01182 ast_mutex_lock(&sub->lock); 01183 sub->cxmode = MGCP_CX_SENDRECV; 01184 if (!sub->rtp) { 01185 start_rtp(sub); 01186 } else { 01187 transmit_modify_request(sub); 01188 } 01189 ast_verb(3, "MGCP mgcp_answer(%s) on %s@%s-%d\n", 01190 ast->name, p->name, p->parent->name, sub->id); 01191 if (ast->_state != AST_STATE_UP) { 01192 ast_setstate(ast, AST_STATE_UP); 01193 ast_debug(1, "mgcp_answer(%s)\n", ast->name); 01194 transmit_notify_request(sub, ""); 01195 transmit_modify_request(sub); 01196 } 01197 ast_mutex_unlock(&sub->lock); 01198 return res; 01199 }
static int mgcp_call | ( | struct ast_channel * | ast, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
Definition at line 836 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.
00837 { 00838 int res; 00839 struct mgcp_endpoint *p; 00840 struct mgcp_subchannel *sub; 00841 char tone[50] = ""; 00842 const char *distinctive_ring = NULL; 00843 struct varshead *headp; 00844 struct ast_var_t *current; 00845 00846 ast_debug(3, "MGCP mgcp_call(%s)\n", ast->name); 00847 sub = ast->tech_pvt; 00848 p = sub->parent; 00849 headp = &ast->varshead; 00850 AST_LIST_TRAVERSE(headp,current,entries) { 00851 /* Check whether there is an ALERT_INFO variable */ 00852 if (strcasecmp(ast_var_name(current),"ALERT_INFO") == 0) { 00853 distinctive_ring = ast_var_value(current); 00854 } 00855 } 00856 00857 ast_mutex_lock(&sub->lock); 00858 switch (p->hookstate) { 00859 case MGCP_OFFHOOK: 00860 if (!ast_strlen_zero(distinctive_ring)) { 00861 snprintf(tone, sizeof(tone), "L/wt%s", distinctive_ring); 00862 ast_debug(3, "MGCP distinctive callwait %s\n", tone); 00863 } else { 00864 ast_copy_string(tone, (p->ncs ? "L/wt1" : "L/wt"), sizeof(tone)); 00865 ast_debug(3, "MGCP normal callwait %s\n", tone); 00866 } 00867 break; 00868 case MGCP_ONHOOK: 00869 default: 00870 if (!ast_strlen_zero(distinctive_ring)) { 00871 snprintf(tone, sizeof(tone), "L/r%s", distinctive_ring); 00872 ast_debug(3, "MGCP distinctive ring %s\n", tone); 00873 } else { 00874 ast_copy_string(tone, "L/rg", sizeof(tone)); 00875 ast_debug(3, "MGCP default ring\n"); 00876 } 00877 break; 00878 } 00879 00880 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 00881 ast_log(LOG_WARNING, "mgcp_call called on %s, neither down nor reserved\n", ast->name); 00882 ast_mutex_unlock(&sub->lock); 00883 return -1; 00884 } 00885 00886 res = 0; 00887 sub->outgoing = 1; 00888 sub->cxmode = MGCP_CX_RECVONLY; 00889 ast_setstate(ast, AST_STATE_RINGING); 00890 if (p->type == TYPE_LINE) { 00891 if (!sub->rtp) { 00892 start_rtp(sub); 00893 } else { 00894 transmit_modify_request(sub); 00895 } 00896 00897 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00898 /* try to prevent a callwait from disturbing the other connection */ 00899 sub->next->cxmode = MGCP_CX_RECVONLY; 00900 transmit_modify_request(sub->next); 00901 } 00902 00903 transmit_notify_request_with_callerid(sub, tone, 00904 S_COR(ast->connected.id.number.valid, ast->connected.id.number.str, ""), 00905 S_COR(ast->connected.id.name.valid, ast->connected.id.name.str, "")); 00906 ast_setstate(ast, AST_STATE_RINGING); 00907 00908 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00909 /* Put the connection back in sendrecv */ 00910 sub->next->cxmode = MGCP_CX_SENDRECV; 00911 transmit_modify_request(sub->next); 00912 } 00913 } else { 00914 ast_log(LOG_NOTICE, "Don't know how to dial on trunks yet\n"); 00915 res = -1; 00916 } 00917 ast_mutex_unlock(&sub->lock); 00918 return res; 00919 }
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 1361 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.
01362 { 01363 struct mgcp_gateway *g; 01364 struct mgcp_endpoint *e = NULL; 01365 char *tmp, *endpt, *gw; 01366 int ret = AST_DEVICE_INVALID; 01367 01368 endpt = ast_strdupa(data); 01369 if ((tmp = strchr(endpt, '@'))) { 01370 *tmp++ = '\0'; 01371 gw = tmp; 01372 } else 01373 goto error; 01374 01375 ast_mutex_lock(&gatelock); 01376 for (g = gateways; g; g = g->next) { 01377 if (strcasecmp(g->name, gw) == 0) { 01378 e = g->endpoints; 01379 break; 01380 } 01381 } 01382 01383 if (!e) 01384 goto error; 01385 01386 for (; e; e = e->next) { 01387 if (strcasecmp(e->name, endpt) == 0) { 01388 break; 01389 } 01390 } 01391 01392 if (!e) 01393 goto error; 01394 01395 /* 01396 * As long as the gateway/endpoint is valid, we'll 01397 * assume that the device is available and its state 01398 * can be tracked. 01399 */ 01400 ret = AST_DEVICE_UNKNOWN; 01401 01402 error: 01403 ast_mutex_unlock(&gatelock); 01404 return ret; 01405 }
static int mgcp_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1283 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.
01284 { 01285 struct mgcp_subchannel *sub = newchan->tech_pvt; 01286 01287 ast_mutex_lock(&sub->lock); 01288 ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", oldchan->name, newchan->name); 01289 if (sub->owner != oldchan) { 01290 ast_mutex_unlock(&sub->lock); 01291 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner); 01292 return -1; 01293 } 01294 sub->owner = newchan; 01295 ast_mutex_unlock(&sub->lock); 01296 return 0; 01297 }
static format_t mgcp_get_codec | ( | struct ast_channel * | chan | ) | [static] |
Definition at line 4428 of file chan_mgcp.c.
References mgcp_endpoint::capability, mgcp_subchannel::parent, and ast_channel::tech_pvt.
04429 { 04430 struct mgcp_subchannel *sub = chan->tech_pvt; 04431 struct mgcp_endpoint *p = sub->parent; 04432 return p->capability; 04433 }
static enum ast_rtp_glue_result mgcp_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp_instance ** | instance | |||
) | [static] |
Definition at line 4401 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.
04402 { 04403 struct mgcp_subchannel *sub = NULL; 04404 04405 if (!(sub = chan->tech_pvt) || !(sub->rtp)) 04406 return AST_RTP_GLUE_RESULT_FORBID; 04407 04408 *instance = sub->rtp ? ao2_ref(sub->rtp, +1), sub->rtp : NULL; 04409 04410 if (sub->parent->directmedia) 04411 return AST_RTP_GLUE_RESULT_REMOTE; 04412 else 04413 return AST_RTP_GLUE_RESULT_LOCAL; 04414 }
static int mgcp_hangup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 921 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.
00922 { 00923 struct mgcp_subchannel *sub = ast->tech_pvt; 00924 struct mgcp_endpoint *p = sub->parent; 00925 struct ast_channel *bridged; 00926 00927 ast_debug(1, "mgcp_hangup(%s)\n", ast->name); 00928 if (!ast->tech_pvt) { 00929 ast_debug(1, "Asked to hangup channel not connected\n"); 00930 return 0; 00931 } 00932 if (strcmp(sub->magic, MGCP_SUBCHANNEL_MAGIC)) { 00933 ast_debug(1, "Invalid magic. MGCP subchannel freed up already.\n"); 00934 return 0; 00935 } 00936 ast_mutex_lock(&sub->lock); 00937 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s\n", ast->name, p->name, p->parent->name); 00938 00939 if ((p->dtmfmode & MGCP_DTMF_INBAND) && p->dsp) { 00940 /* check whether other channel is active. */ 00941 if (!sub->next->owner) { 00942 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 00943 p->dtmfmode &= ~MGCP_DTMF_INBAND; 00944 } 00945 ast_debug(2, "MGCP free dsp on %s@%s\n", p->name, p->parent->name); 00946 ast_dsp_free(p->dsp); 00947 p->dsp = NULL; 00948 } 00949 } 00950 00951 sub->owner = NULL; 00952 00953 /* for deleting gate */ 00954 if (p->pktcgatealloc && sub->gate) { 00955 sub->gate->gate_open = NULL; 00956 sub->gate->gate_remove = NULL; 00957 sub->gate->got_dq_gi = NULL; 00958 sub->gate->tech_pvt = NULL; 00959 if (sub->gate->state == GATE_ALLOC_PROGRESS || sub->gate->state == GATE_ALLOCATED) { 00960 ast_pktccops_gate_alloc(GATE_DEL, sub->gate, 0, 0, 0, 0, 0, 0, NULL, NULL); 00961 } else { 00962 sub->gate->deltimer = time(NULL) + 5; 00963 } 00964 sub->gate = NULL; 00965 } 00966 00967 if (!ast_strlen_zero(sub->cxident)) { 00968 transmit_connection_del(sub); 00969 } 00970 sub->cxident[0] = '\0'; 00971 if ((sub == p->sub) && sub->next->owner) { 00972 if (p->hookstate == MGCP_OFFHOOK) { 00973 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00974 /* ncs fix! */ 00975 bridged = ast_bridged_channel(sub->next->owner); 00976 transmit_notify_request_with_callerid(p->sub, (p->ncs ? "L/wt1" : "L/wt"), 00977 S_COR(bridged->caller.id.number.valid, bridged->caller.id.number.str, ""), 00978 S_COR(bridged->caller.id.name.valid, bridged->caller.id.name.str, "")); 00979 } 00980 } else { 00981 /* set our other connection as the primary and swith over to it */ 00982 p->sub = sub->next; 00983 p->sub->cxmode = MGCP_CX_RECVONLY; 00984 transmit_modify_request(p->sub); 00985 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00986 bridged = ast_bridged_channel(sub->next->owner); 00987 transmit_notify_request_with_callerid(p->sub, "L/rg", 00988 S_COR(bridged->caller.id.number.valid, bridged->caller.id.number.str, ""), 00989 S_COR(bridged->caller.id.name.valid, bridged->caller.id.name.str, "")); 00990 } 00991 } 00992 00993 } else if ((sub == p->sub->next) && p->hookstate == MGCP_OFFHOOK) { 00994 transmit_notify_request(sub, p->ncs ? "" : "L/v"); 00995 } else if (p->hookstate == MGCP_OFFHOOK) { 00996 transmit_notify_request(sub, "L/ro"); 00997 } else { 00998 transmit_notify_request(sub, ""); 00999 } 01000 01001 ast->tech_pvt = NULL; 01002 sub->alreadygone = 0; 01003 sub->outgoing = 0; 01004 sub->cxmode = MGCP_CX_INACTIVE; 01005 sub->callid[0] = '\0'; 01006 if (p) { 01007 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 01008 } 01009 /* Reset temporary destination */ 01010 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 01011 if (sub->rtp) { 01012 ast_rtp_instance_destroy(sub->rtp); 01013 sub->rtp = NULL; 01014 } 01015 01016 ast_module_unref(ast_module_info->self); 01017 01018 if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) { 01019 p->hidecallerid = 0; 01020 if (p->hascallwaiting && !p->callwaiting) { 01021 ast_verb(3, "Enabling call waiting on %s\n", ast->name); 01022 p->callwaiting = -1; 01023 } 01024 if (has_voicemail(p)) { 01025 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n", 01026 ast->name, p->name, p->parent->name); 01027 transmit_notify_request(sub, "L/vmwi(+)"); 01028 } else { 01029 ast_debug(3, "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n", 01030 ast->name, p->name, p->parent->name); 01031 transmit_notify_request(sub, "L/vmwi(-)"); 01032 } 01033 } 01034 ast_mutex_unlock(&sub->lock); 01035 return 0; 01036 }
static int mgcp_indicate | ( | struct ast_channel * | ast, | |
int | ind, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1439 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().
01440 { 01441 struct mgcp_subchannel *sub = ast->tech_pvt; 01442 int res = 0; 01443 01444 ast_debug(3, "MGCP asked to indicate %d '%s' condition on channel %s\n", 01445 ind, control2str(ind), ast->name); 01446 ast_mutex_lock(&sub->lock); 01447 switch(ind) { 01448 case AST_CONTROL_RINGING: 01449 #ifdef DLINK_BUGGY_FIRMWARE 01450 transmit_notify_request(sub, "rt"); 01451 #else 01452 if (!sub->sdpsent) { /* will hide the inband progress!!! */ 01453 transmit_notify_request(sub, sub->parent->ncs ? "L/rt" : "G/rt"); 01454 } 01455 #endif 01456 break; 01457 case AST_CONTROL_BUSY: 01458 transmit_notify_request(sub, "L/bz"); 01459 break; 01460 case AST_CONTROL_INCOMPLETE: 01461 /* We do not currently support resetting of the Interdigit Timer, so treat 01462 * Incomplete control frames as a congestion response 01463 */ 01464 case AST_CONTROL_CONGESTION: 01465 transmit_notify_request(sub, sub->parent->ncs ? "L/cg" : "G/cg"); 01466 break; 01467 case AST_CONTROL_HOLD: 01468 ast_moh_start(ast, data, NULL); 01469 break; 01470 case AST_CONTROL_UNHOLD: 01471 ast_moh_stop(ast); 01472 break; 01473 case AST_CONTROL_SRCUPDATE: 01474 ast_rtp_instance_update_source(sub->rtp); 01475 break; 01476 case AST_CONTROL_SRCCHANGE: 01477 ast_rtp_instance_change_source(sub->rtp); 01478 break; 01479 case AST_CONTROL_PROGRESS: 01480 case AST_CONTROL_PROCEEDING: 01481 transmit_modify_request(sub); 01482 case -1: 01483 transmit_notify_request(sub, ""); 01484 break; 01485 default: 01486 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind); 01487 res = -1; 01488 } 01489 ast_mutex_unlock(&sub->lock); 01490 return res; 01491 }
static struct ast_channel* mgcp_new | ( | struct mgcp_subchannel * | sub, | |
int | state, | |||
const char * | linkedid | |||
) | [static, read] |
Definition at line 1493 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().
01494 { 01495 struct ast_channel *tmp; 01496 struct ast_variable *v = NULL; 01497 struct mgcp_endpoint *i = sub->parent; 01498 int fmt; 01499 01500 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); 01501 if (tmp) { 01502 tmp->tech = &mgcp_tech; 01503 tmp->nativeformats = i->capability; 01504 if (!tmp->nativeformats) { 01505 tmp->nativeformats = capability; 01506 } 01507 fmt = ast_best_codec(tmp->nativeformats); 01508 if (sub->rtp) { 01509 ast_channel_set_fd(tmp, 0, ast_rtp_instance_fd(sub->rtp, 0)); 01510 } 01511 if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) { 01512 i->dsp = ast_dsp_new(); 01513 ast_dsp_set_features(i->dsp, DSP_FEATURE_DIGIT_DETECT); 01514 /* this is to prevent clipping of dtmf tones during dsp processing */ 01515 ast_dsp_set_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH); 01516 } else { 01517 i->dsp = NULL; 01518 } 01519 if (state == AST_STATE_RING) 01520 tmp->rings = 1; 01521 tmp->writeformat = fmt; 01522 tmp->rawwriteformat = fmt; 01523 tmp->readformat = fmt; 01524 tmp->rawreadformat = fmt; 01525 tmp->tech_pvt = sub; 01526 if (!ast_strlen_zero(i->language)) 01527 ast_string_field_set(tmp, language, i->language); 01528 if (!ast_strlen_zero(i->accountcode)) 01529 ast_string_field_set(tmp, accountcode, i->accountcode); 01530 if (i->amaflags) 01531 tmp->amaflags = i->amaflags; 01532 sub->owner = tmp; 01533 ast_module_ref(ast_module_info->self); 01534 tmp->callgroup = i->callgroup; 01535 tmp->pickupgroup = i->pickupgroup; 01536 ast_string_field_set(tmp, call_forward, i->call_forward); 01537 ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); 01538 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01539 01540 /* Don't use ast_set_callerid() here because it will 01541 * generate a needless NewCallerID event */ 01542 if (!ast_strlen_zero(i->cid_num)) { 01543 tmp->caller.ani.number.valid = 1; 01544 tmp->caller.ani.number.str = ast_strdup(i->cid_num); 01545 } 01546 01547 if (!i->adsi) { 01548 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01549 } 01550 tmp->priority = 1; 01551 01552 /* Set channel variables for this call from configuration */ 01553 for (v = i->chanvars ; v ; v = v->next) { 01554 char valuebuf[1024]; 01555 pbx_builtin_setvar_helper(tmp, v->name, ast_get_encoded_str(v->value, valuebuf, sizeof(valuebuf))); 01556 } 01557 01558 if (sub->rtp) { 01559 ast_jb_configure(tmp, &global_jbconf); 01560 } 01561 if (state != AST_STATE_DOWN) { 01562 if (ast_pbx_start(tmp)) { 01563 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01564 ast_hangup(tmp); 01565 tmp = NULL; 01566 } 01567 } 01568 ast_verb(3, "MGCP mgcp_new(%s) created in state: %s\n", 01569 tmp->name, ast_state2str(state)); 01570 } else { 01571 ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); 01572 } 01573 return tmp; 01574 }
static int mgcp_pktcgate_open | ( | struct cops_gate * | gate | ) | [static] |
Definition at line 2396 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().
02397 { 02398 struct mgcp_subchannel *sub = gate->tech_pvt; 02399 if (!sub) { 02400 return 1; 02401 } 02402 ast_mutex_lock(&sub->lock); 02403 ast_debug(1, "Pktc: gate 0x%x open\n", gate->gateid); 02404 if (!sub->sdpsent) transmit_modify_with_sdp(sub, NULL, 0); 02405 ast_mutex_unlock(&sub->lock); 02406 return 1; 02407 }
static int mgcp_pktcgate_remove | ( | struct cops_gate * | gate | ) | [static] |
Definition at line 2373 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().
02374 { 02375 struct mgcp_subchannel *sub = gate->tech_pvt; 02376 02377 if (!sub) { 02378 return 1; 02379 } 02380 02381 ast_mutex_lock(&sub->lock); 02382 ast_debug(1, "Pktc: gate 0x%x deleted\n", gate->gateid); 02383 if (sub->gate->state != GATE_CLOSED && sub->parent->hangupongateremove) { 02384 sub->gate = NULL; 02385 if (sub->owner) { 02386 ast_softhangup(sub->owner, AST_CAUSE_REQUESTED_CHAN_UNAVAIL); 02387 ast_channel_unlock(sub->owner); 02388 } 02389 } else { 02390 sub->gate = NULL; 02391 } 02392 ast_mutex_unlock(&sub->lock); 02393 return 1; 02394 }
static int mgcp_postrequest | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
char * | data, | |||
int | len, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 709 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().
00711 { 00712 struct mgcp_message *msg; 00713 struct mgcp_message *cur; 00714 struct mgcp_gateway *gw; 00715 struct timeval now; 00716 00717 if (!(msg = ast_malloc(sizeof(*msg) + len))) { 00718 return -1; 00719 } 00720 if (!(gw = ((p && p->parent) ? p->parent : NULL))) { 00721 ast_free(msg); 00722 return -1; 00723 } 00724 00725 msg->owner_sub = sub; 00726 msg->owner_ep = p; 00727 msg->seqno = seqno; 00728 msg->next = NULL; 00729 msg->len = len; 00730 msg->retrans = 0; 00731 memcpy(msg->buf, data, msg->len); 00732 00733 ast_mutex_lock(&gw->msgs_lock); 00734 for (cur = gw->msgs; cur && cur->next; cur = cur->next); 00735 if (cur) { 00736 cur->next = msg; 00737 } else { 00738 gw->msgs = msg; 00739 } 00740 00741 now = ast_tvnow(); 00742 msg->expire = now.tv_sec * 1000 + now.tv_usec / 1000 + DEFAULT_RETRANS; 00743 00744 if (gw->retransid == -1) 00745 gw->retransid = ast_sched_add(sched, DEFAULT_RETRANS, retrans_pkt, (void *)gw); 00746 ast_mutex_unlock(&gw->msgs_lock); 00747 __mgcp_xmit(gw, msg->buf, msg->len); 00748 /* XXX Should schedule retransmission XXX */ 00749 return 0; 00750 }
static int mgcp_prune_realtime_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 3702 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().
03703 { 03704 struct mgcp_endpoint *enext, *e; 03705 struct mgcp_subchannel *s, *sub; 03706 int i, prune = 1; 03707 03708 if (g->ha || !g->realtime || ast_mutex_trylock(&g->msgs_lock) || g->msgs) { 03709 ast_mutex_unlock(&g->msgs_lock); 03710 return 0; 03711 } 03712 03713 for (e = g->endpoints; e; e = e->next) { 03714 ast_mutex_lock(&e->lock); 03715 if (e->dsp || ast_mutex_trylock(&e->rqnt_queue_lock) || ast_mutex_trylock(&e->cmd_queue_lock)) { 03716 prune = 0; 03717 } else if (e->rqnt_queue || e->cmd_queue) { 03718 prune = 0; 03719 } 03720 s = e->sub; 03721 for (i = 0; (i < MAX_SUBS) && s; i++) { 03722 ast_mutex_lock(&s->lock); 03723 if (!ast_strlen_zero(s->cxident) || s->rtp || ast_mutex_trylock(&s->cx_queue_lock) || s->gate) { 03724 prune = 0; 03725 } else if (s->cx_queue) { 03726 prune = 0; 03727 } 03728 s = s->next; 03729 } 03730 } 03731 03732 for (e = g->endpoints, sub = e->sub, enext = e->next; e; e = enext, enext = e->next) { 03733 for (i = 0; (i < MAX_SUBS) && sub; i++) { 03734 s = sub; 03735 sub = sub->next; 03736 ast_mutex_unlock(&s->lock); 03737 ast_mutex_unlock(&s->cx_queue_lock); 03738 if (prune) { 03739 ast_mutex_destroy(&s->lock); 03740 ast_mutex_destroy(&s->cx_queue_lock); 03741 free(s); 03742 } 03743 } 03744 ast_mutex_unlock(&e->lock); 03745 ast_mutex_unlock(&e->rqnt_queue_lock); 03746 ast_mutex_unlock(&e->cmd_queue_lock); 03747 if (prune) { 03748 ast_mutex_destroy(&e->lock); 03749 ast_mutex_destroy(&e->rqnt_queue_lock); 03750 ast_mutex_destroy(&e->cmd_queue_lock); 03751 free(e); 03752 } 03753 } 03754 if (prune) { 03755 ast_debug(1, "***** MGCP REALTIME PRUNE GW: %s\n", g->name); 03756 } 03757 return prune; 03758 }
static void mgcp_queue_control | ( | struct mgcp_subchannel * | sub, | |
int | control | |||
) | [static] |
Definition at line 648 of file chan_mgcp.c.
References AST_FRAME_CONTROL, and mgcp_queue_frame().
Referenced by handle_hd_hf().
00649 { 00650 struct ast_frame f = { AST_FRAME_CONTROL, { control } }; 00651 return mgcp_queue_frame(sub, &f); 00652 }
static void mgcp_queue_frame | ( | struct mgcp_subchannel * | sub, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 614 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().
00615 { 00616 for (;;) { 00617 if (sub->owner) { 00618 if (!ast_channel_trylock(sub->owner)) { 00619 ast_queue_frame(sub->owner, f); 00620 ast_channel_unlock(sub->owner); 00621 break; 00622 } else { 00623 DEADLOCK_AVOIDANCE(&sub->lock); 00624 } 00625 } else { 00626 break; 00627 } 00628 } 00629 }
static void mgcp_queue_hangup | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 631 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().
00632 { 00633 for (;;) { 00634 if (sub->owner) { 00635 if (!ast_channel_trylock(sub->owner)) { 00636 ast_queue_hangup(sub->owner); 00637 ast_channel_unlock(sub->owner); 00638 break; 00639 } else { 00640 DEADLOCK_AVOIDANCE(&sub->lock); 00641 } 00642 } else { 00643 break; 00644 } 00645 } 00646 }
static struct ast_frame * mgcp_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1232 of file chan_mgcp.c.
References ast_mutex_lock, ast_mutex_unlock, f, mgcp_subchannel::lock, mgcp_rtp_read(), and ast_channel::tech_pvt.
01233 { 01234 struct ast_frame *f; 01235 struct mgcp_subchannel *sub = ast->tech_pvt; 01236 ast_mutex_lock(&sub->lock); 01237 f = mgcp_rtp_read(sub); 01238 ast_mutex_unlock(&sub->lock); 01239 return f; 01240 }
static char * mgcp_reload | ( | struct ast_cli_entry * | e, | |
int | cmd, | |||
struct ast_cli_args * | a | |||
) | [static] |
Definition at line 4813 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().
04814 { 04815 static int deprecated = 0; 04816 04817 if (e) { 04818 switch (cmd) { 04819 case CLI_INIT: 04820 e->command = "mgcp reload"; 04821 e->usage = 04822 "Usage: mgcp reload\n" 04823 " 'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"; 04824 return NULL; 04825 case CLI_GENERATE: 04826 return NULL; 04827 } 04828 } 04829 04830 if (!deprecated && a && a->argc > 0) { 04831 ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"); 04832 deprecated = 1; 04833 } 04834 04835 ast_mutex_lock(&mgcp_reload_lock); 04836 if (mgcp_reloading) { 04837 ast_verbose("Previous mgcp reload not yet done\n"); 04838 } else { 04839 mgcp_reloading = 1; 04840 } 04841 ast_mutex_unlock(&mgcp_reload_lock); 04842 restart_monitor(); 04843 return CLI_SUCCESS; 04844 }
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 3907 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().
03908 { 03909 struct mgcp_subchannel *sub; 03910 struct ast_channel *tmpc = NULL; 03911 char tmp[256]; 03912 char *dest = data; 03913 03914 format &= capability; 03915 if (!format) { 03916 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%s'\n", ast_getformatname_multiple(tmp, sizeof(tmp), format)); 03917 /*return NULL;*/ 03918 } 03919 ast_copy_string(tmp, dest, sizeof(tmp)); 03920 if (ast_strlen_zero(tmp)) { 03921 ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n"); 03922 return NULL; 03923 } 03924 if (!(sub = find_subchannel_and_lock(tmp, 0, NULL))) { 03925 ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp); 03926 *cause = AST_CAUSE_UNREGISTERED; 03927 return NULL; 03928 } 03929 03930 ast_verb(3, "MGCP mgcp_request(%s)\n", tmp); 03931 ast_verb(3, "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n", 03932 sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0); 03933 /* Must be busy */ 03934 if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) || 03935 ((!sub->parent->callwaiting) && (sub->owner)) || 03936 (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) { 03937 if (sub->parent->hookstate == MGCP_ONHOOK) { 03938 if (has_voicemail(sub->parent)) { 03939 transmit_notify_request(sub,"L/vmwi(+)"); 03940 } else { 03941 transmit_notify_request(sub,"L/vmwi(-)"); 03942 } 03943 } 03944 *cause = AST_CAUSE_BUSY; 03945 ast_mutex_unlock(&sub->lock); 03946 return NULL; 03947 } 03948 tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN, requestor ? requestor->linkedid : NULL); 03949 ast_mutex_unlock(&sub->lock); 03950 if (!tmpc) 03951 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp); 03952 restart_monitor(); 03953 return tmpc; 03954 }
static struct ast_frame* mgcp_rtp_read | ( | struct mgcp_subchannel * | sub | ) | [static, read] |
Definition at line 1201 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().
01202 { 01203 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */ 01204 struct ast_frame *f; 01205 01206 f = ast_rtp_instance_read(sub->rtp, 0); 01207 /* Don't send RFC2833 if we're not supposed to */ 01208 if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833)) 01209 return &ast_null_frame; 01210 if (sub->owner) { 01211 /* We already hold the channel lock */ 01212 if (f->frametype == AST_FRAME_VOICE) { 01213 if (f->subclass.codec != sub->owner->nativeformats) { 01214 ast_debug(1, "Oooh, format changed to %s\n", ast_getformatname(f->subclass.codec)); 01215 sub->owner->nativeformats = f->subclass.codec; 01216 ast_set_read_format(sub->owner, sub->owner->readformat); 01217 ast_set_write_format(sub->owner, sub->owner->writeformat); 01218 } 01219 /* Courtesy fearnor aka alex@pilosoft.com */ 01220 if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) { 01221 #if 0 01222 ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n"); 01223 #endif 01224 f = ast_dsp_process(sub->owner, sub->parent->dsp, f); 01225 } 01226 } 01227 } 01228 return f; 01229 }
static int mgcp_senddigit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1299 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.
01300 { 01301 struct mgcp_subchannel *sub = ast->tech_pvt; 01302 struct mgcp_endpoint *p = sub->parent; 01303 int res = 0; 01304 01305 ast_mutex_lock(&sub->lock); 01306 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01307 ast_debug(1, "Sending DTMF using inband/hybrid\n"); 01308 res = -1; /* Let asterisk play inband indications */ 01309 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01310 ast_debug(1, "Sending DTMF using RFC2833\n"); 01311 ast_rtp_instance_dtmf_begin(sub->rtp, digit); 01312 } else { 01313 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01314 } 01315 ast_mutex_unlock(&sub->lock); 01316 01317 return res; 01318 }
static int mgcp_senddigit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1320 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().
01321 { 01322 struct mgcp_subchannel *sub = ast->tech_pvt; 01323 struct mgcp_endpoint *p = sub->parent; 01324 int res = 0; 01325 char tmp[4]; 01326 01327 ast_mutex_lock(&sub->lock); 01328 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01329 ast_debug(1, "Stopping DTMF using inband/hybrid\n"); 01330 res = -1; /* Tell Asterisk to stop inband indications */ 01331 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01332 ast_debug(1, "Stopping DTMF using RFC2833\n"); 01333 if (sub->parent->ncs) { 01334 tmp[0] = digit; 01335 tmp[1] = '\0'; 01336 } else { 01337 tmp[0] = 'D'; 01338 tmp[1] = '/'; 01339 tmp[2] = digit; 01340 tmp[3] = '\0'; 01341 } 01342 transmit_notify_request(sub, tmp); 01343 ast_rtp_instance_dtmf_end(sub->rtp, digit); 01344 } else { 01345 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01346 } 01347 ast_mutex_unlock(&sub->lock); 01348 01349 return res; 01350 }
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 4416 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_channel::tech_pvt, and transmit_modify_with_sdp().
04417 { 04418 /* XXX Is there such thing as video support with MGCP? XXX */ 04419 struct mgcp_subchannel *sub; 04420 sub = chan->tech_pvt; 04421 if (sub && !sub->alreadygone) { 04422 transmit_modify_with_sdp(sub, rtp, codecs); 04423 return 0; 04424 } 04425 return -1; 04426 }
static void* mgcp_ss | ( | void * | data | ) | [static] |
Definition at line 2947 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().
02948 { 02949 struct ast_channel *chan = data; 02950 struct mgcp_subchannel *sub = chan->tech_pvt; 02951 struct mgcp_endpoint *p = sub->parent; 02952 /* char exten[AST_MAX_EXTENSION] = ""; */ 02953 int len = 0; 02954 int timeout = firstdigittimeout; 02955 int res= 0; 02956 int getforward = 0; 02957 int loop_pause = 100; 02958 02959 len = strlen(p->dtmf_buf); 02960 02961 while (len < AST_MAX_EXTENSION - 1) { 02962 ast_debug(1, "Dtmf buffer '%s' for '%s@%s'\n", p->dtmf_buf, p->name, p->parent->name); 02963 res = 1; /* Assume that we will get a digit */ 02964 while (strlen(p->dtmf_buf) == len) { 02965 ast_safe_sleep(chan, loop_pause); 02966 timeout -= loop_pause; 02967 if (timeout <= 0){ 02968 res = 0; 02969 break; 02970 } 02971 res = 1; 02972 } 02973 02974 timeout = 0; 02975 len = strlen(p->dtmf_buf); 02976 02977 if (!ast_ignore_pattern(chan->context, p->dtmf_buf)) { 02978 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02979 ast_indicate(chan, -1); 02980 } else { 02981 /* XXX Redundant? We should already be playing dialtone */ 02982 /*tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/ 02983 transmit_notify_request(sub, "L/dl"); 02984 } 02985 if (ast_exists_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02986 if (!res || !ast_matchmore_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02987 if (getforward) { 02988 /* Record this as the forwarding extension */ 02989 ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward)); 02990 ast_verb(3, "Setting call forward to '%s' on channel %s\n", 02991 p->call_forward, chan->name); 02992 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 02993 transmit_notify_request(sub, "L/sl"); 02994 if (res) 02995 break; 02996 usleep(500000); 02997 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02998 ast_indicate(chan, -1); 02999 sleep(1); 03000 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03001 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALTONE);*/ 03002 transmit_notify_request(sub, "L/dl"); 03003 len = 0; 03004 getforward = 0; 03005 } else { 03006 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 03007 ast_indicate(chan, -1); 03008 ast_copy_string(chan->exten, p->dtmf_buf, sizeof(chan->exten)); 03009 chan->dialed.number.str = ast_strdup(p->dtmf_buf); 03010 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03011 ast_set_callerid(chan, 03012 p->hidecallerid ? "" : p->cid_num, 03013 p->hidecallerid ? "" : p->cid_name, 03014 chan->caller.ani.number.valid ? NULL : p->cid_num); 03015 ast_setstate(chan, AST_STATE_RING); 03016 /*dahdi_enable_ec(p);*/ 03017 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 03018 p->dtmfmode |= MGCP_DTMF_INBAND; 03019 ast_indicate(chan, -1); 03020 } 03021 res = ast_pbx_run(chan); 03022 if (res) { 03023 ast_log(LOG_WARNING, "PBX exited non-zero\n"); 03024 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03025 /*transmit_notify_request(p, "nbz", 1);*/ 03026 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03027 } 03028 return NULL; 03029 } 03030 } else { 03031 /* It's a match, but they just typed a digit, and there is an ambiguous match, 03032 so just set the timeout to matchdigittimeout and wait some more */ 03033 timeout = matchdigittimeout; 03034 } 03035 } else if (res == 0) { 03036 ast_debug(1, "not enough digits (and no ambiguous match)...\n"); 03037 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03038 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03039 /*dahdi_wait_event(p->subs[index].zfd);*/ 03040 ast_hangup(chan); 03041 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03042 return NULL; 03043 } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) { 03044 ast_verb(3, "Disabling call waiting on %s\n", chan->name); 03045 /* Disable call waiting if enabled */ 03046 p->callwaiting = 0; 03047 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03048 transmit_notify_request(sub, "L/sl"); 03049 len = 0; 03050 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03051 timeout = firstdigittimeout; 03052 } else if (!strcmp(p->dtmf_buf,ast_pickup_ext())) { 03053 /* Scan all channels and see if any there 03054 * ringing channqels with that have call groups 03055 * that equal this channels pickup group 03056 */ 03057 if (ast_pickup_call(chan)) { 03058 ast_log(LOG_WARNING, "No call pickup possible...\n"); 03059 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_CONGESTION);*/ 03060 transmit_notify_request(sub, p->ncs ? "L/cg" : "G/cg"); 03061 } 03062 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03063 ast_hangup(chan); 03064 return NULL; 03065 } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) { 03066 ast_verb(3, "Disabling Caller*ID on %s\n", chan->name); 03067 /* Disable Caller*ID if enabled */ 03068 p->hidecallerid = 1; 03069 ast_set_callerid(chan, "", "", NULL); 03070 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03071 transmit_notify_request(sub, "L/sl"); 03072 len = 0; 03073 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03074 timeout = firstdigittimeout; 03075 } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) { 03076 res = 0; 03077 if (!ast_strlen_zero(p->lastcallerid)) { 03078 res = ast_say_digit_str(chan, p->lastcallerid, "", chan->language); 03079 } 03080 if (!res) 03081 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03082 transmit_notify_request(sub, "L/sl"); 03083 break; 03084 } else if (!strcmp(p->dtmf_buf, "*78")) { 03085 /* Do not disturb */ 03086 ast_verb(3, "Enabled DND on channel %s\n", chan->name); 03087 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03088 transmit_notify_request(sub, "L/sl"); 03089 p->dnd = 1; 03090 getforward = 0; 03091 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03092 len = 0; 03093 } else if (!strcmp(p->dtmf_buf, "*79")) { 03094 /* Do not disturb */ 03095 ast_verb(3, "Disabled DND on channel %s\n", chan->name); 03096 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03097 transmit_notify_request(sub, "L/sl"); 03098 p->dnd = 0; 03099 getforward = 0; 03100 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03101 len = 0; 03102 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) { 03103 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03104 transmit_notify_request(sub, "L/sl"); 03105 getforward = 1; 03106 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03107 len = 0; 03108 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) { 03109 ast_verb(3, "Cancelling call forwarding 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 memset(p->call_forward, 0, sizeof(p->call_forward)); 03113 getforward = 0; 03114 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03115 len = 0; 03116 } else if (ast_parking_ext_valid(p->dtmf_buf, chan, chan->context) && 03117 sub->next->owner && ast_bridged_channel(sub->next->owner)) { 03118 /* This is a three way call, the main call being a real channel, 03119 and we're parking the first call. */ 03120 ast_masq_park_call_exten(ast_bridged_channel(sub->next->owner), chan, 03121 p->dtmf_buf, chan->context, 0, NULL); 03122 ast_verb(3, "Parking call to '%s'\n", chan->name); 03123 break; 03124 } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) { 03125 ast_verb(3, "Blacklisting number %s\n", p->lastcallerid); 03126 res = ast_db_put("blacklist", p->lastcallerid, "1"); 03127 if (!res) { 03128 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03129 transmit_notify_request(sub, "L/sl"); 03130 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03131 len = 0; 03132 } 03133 } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) { 03134 ast_verb(3, "Enabling Caller*ID on %s\n", chan->name); 03135 /* Enable Caller*ID if enabled */ 03136 p->hidecallerid = 0; 03137 ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); 03138 /*res = tone_zone_play_tone(p->subs[index].zfd, DAHDI_TONE_DIALRECALL);*/ 03139 transmit_notify_request(sub, "L/sl"); 03140 len = 0; 03141 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03142 timeout = firstdigittimeout; 03143 } else if (!ast_canmatch_extension(chan, chan->context, p->dtmf_buf, 1, 03144 S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, NULL)) 03145 && ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) { 03146 ast_debug(1, "Can't match %s from '%s' in context %s\n", p->dtmf_buf, 03147 S_COR(chan->caller.id.number.valid, chan->caller.id.number.str, "<Unknown Caller>"), 03148 chan->context); 03149 break; 03150 } 03151 if (!timeout) 03152 timeout = gendigittimeout; 03153 if (len && !ast_ignore_pattern(chan->context, p->dtmf_buf)) 03154 /*tone_zone_play_tone(p->subs[index].zfd, -1);*/ 03155 ast_indicate(chan, -1); 03156 } 03157 #if 0 03158 for (;;) { 03159 res = ast_waitfordigit(chan, to); 03160 if (!res) { 03161 ast_debug(1, "Timeout...\n"); 03162 break; 03163 } 03164 if (res < 0) { 03165 ast_debug(1, "Got hangup...\n"); 03166 ast_hangup(chan); 03167 break; 03168 } 03169 exten[pos++] = res; 03170 if (!ast_ignore_pattern(chan->context, exten)) 03171 ast_indicate(chan, -1); 03172 if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) { 03173 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) 03174 to = 3000; 03175 else 03176 to = 8000; 03177 } else 03178 break; 03179 } 03180 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) { 03181 ast_copy_string(chan->exten, exten, sizeof(chan->exten)1); 03182 if (!p->rtp) { 03183 start_rtp(p); 03184 } 03185 ast_setstate(chan, AST_STATE_RING); 03186 chan->rings = 1; 03187 if (ast_pbx_run(chan)) { 03188 ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name); 03189 } else { 03190 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03191 return NULL; 03192 } 03193 } 03194 #endif 03195 ast_hangup(chan); 03196 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 03197 return NULL; 03198 }
static int mgcp_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | frame | |||
) | [static] |
Definition at line 1242 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.
01243 { 01244 struct mgcp_subchannel *sub = ast->tech_pvt; 01245 int res = 0; 01246 char buf[256]; 01247 01248 if (frame->frametype != AST_FRAME_VOICE) { 01249 if (frame->frametype == AST_FRAME_IMAGE) 01250 return 0; 01251 else { 01252 ast_log(LOG_WARNING, "Can't send %d type frames with MGCP write\n", frame->frametype); 01253 return 0; 01254 } 01255 } else { 01256 if (!(frame->subclass.codec & ast->nativeformats)) { 01257 ast_log(LOG_WARNING, "Asked to transmit frame type %s, while native formats is %s (read/write = %s/%s)\n", 01258 ast_getformatname(frame->subclass.codec), 01259 ast_getformatname_multiple(buf, sizeof(buf), ast->nativeformats), 01260 ast_getformatname(ast->readformat), 01261 ast_getformatname(ast->writeformat)); 01262 /* return -1; */ 01263 } 01264 } 01265 if (sub) { 01266 ast_mutex_lock(&sub->lock); 01267 if (!sub->sdpsent && sub->gate) { 01268 if (sub->gate->state == GATE_ALLOCATED) { 01269 ast_debug(1, "GATE ALLOCATED, sending sdp\n"); 01270 transmit_modify_with_sdp(sub, NULL, 0); 01271 } 01272 } 01273 if ((sub->parent->sub == sub) || !sub->parent->singlepath) { 01274 if (sub->rtp) { 01275 res = ast_rtp_instance_write(sub->rtp, frame); 01276 } 01277 } 01278 ast_mutex_unlock(&sub->lock); 01279 } 01280 return res; 01281 }
static int mgcpsock_read | ( | int * | id, | |
int | fd, | |||
short | events, | |||
void * | ignore | |||
) | [static] |
Definition at line 3611 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().
03612 { 03613 struct mgcp_request req; 03614 struct sockaddr_in sin; 03615 struct mgcp_subchannel *sub; 03616 int res; 03617 socklen_t len; 03618 int result; 03619 int ident; 03620 len = sizeof(sin); 03621 memset(&req, 0, sizeof(req)); 03622 res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len); 03623 if (res < 0) { 03624 if (errno != ECONNREFUSED) 03625 ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno)); 03626 return 1; 03627 } 03628 req.data[res] = '\0'; 03629 req.len = res; 03630 ast_debug(1, "MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 03631 parse(&req); 03632 if (req.headers < 1) { 03633 /* Must have at least one header */ 03634 return 1; 03635 } 03636 if (ast_strlen_zero(req.identifier)) { 03637 ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr)); 03638 return 1; 03639 } 03640 03641 if (sscanf(req.verb, "%30d", &result) && sscanf(req.identifier, "%30d", &ident)) { 03642 if (result < 200) { 03643 ast_debug(1, "Ignoring provisional response on transaction %d\n", ident); 03644 return 1; 03645 } 03646 /* Try to find who this message is for, if it's important */ 03647 sub = find_subchannel_and_lock(NULL, ident, &sin); 03648 if (sub) { 03649 struct mgcp_gateway *gw = sub->parent->parent; 03650 struct mgcp_message *cur, *prev; 03651 03652 ast_mutex_unlock(&sub->lock); 03653 ast_mutex_lock(&gw->msgs_lock); 03654 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 03655 if (cur->seqno == ident) { 03656 ast_debug(1, "Got response back on transaction %d\n", ident); 03657 if (prev) 03658 prev->next = cur->next; 03659 else 03660 gw->msgs = cur->next; 03661 break; 03662 } 03663 } 03664 03665 /* stop retrans timer if the queue is empty */ 03666 if (!gw->msgs) { 03667 AST_SCHED_DEL(sched, gw->retransid); 03668 } 03669 03670 ast_mutex_unlock(&gw->msgs_lock); 03671 if (cur) { 03672 handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req); 03673 ast_free(cur); 03674 return 1; 03675 } 03676 03677 ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n", 03678 gw->name, ident); 03679 } 03680 } else { 03681 if (ast_strlen_zero(req.endpoint) || 03682 ast_strlen_zero(req.version) || 03683 ast_strlen_zero(req.verb)) { 03684 ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n"); 03685 return 1; 03686 } 03687 /* Process request, with iflock held */ 03688 sub = find_subchannel_and_lock(req.endpoint, 0, &sin); 03689 if (sub) { 03690 /* look first to find a matching response in the queue */ 03691 if (!find_and_retrans(sub, &req)) 03692 /* pass the request off to the currently mastering subchannel */ 03693 handle_request(sub, &req, &sin); 03694 ast_mutex_unlock(&sub->lock); 03695 } 03696 } 03697 return 1; 03698 }
static void mwi_event_cb | ( | const struct ast_event * | event, | |
void * | userdata | |||
) | [static] |
Definition at line 483 of file chan_mgcp.c.
Referenced by build_gateway().
00484 { 00485 /* This module does not handle MWI in an event-based manner. However, it 00486 * subscribes to MWI for each mailbox that is configured so that the core 00487 * knows that we care about it. Then, chan_mgcp will get the MWI from the 00488 * event cache instead of checking the mailbox directly. */ 00489 }
static void parse | ( | struct mgcp_request * | req | ) | [static] |
Definition at line 1857 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(), 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(), 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().
01858 { 01859 /* Divide fields by NULL's */ 01860 char *c; 01861 int f = 0; 01862 c = req->data; 01863 01864 /* First header starts immediately */ 01865 req->header[f] = c; 01866 for (; *c; c++) { 01867 if (*c == '\n') { 01868 /* We've got a new header */ 01869 *c = 0; 01870 ast_debug(3, "Header: %s (%d)\n", req->header[f], (int) strlen(req->header[f])); 01871 if (ast_strlen_zero(req->header[f])) { 01872 /* Line by itself means we're now in content */ 01873 c++; 01874 break; 01875 } 01876 if (f >= MGCP_MAX_HEADERS - 1) { 01877 ast_log(LOG_WARNING, "Too many MGCP headers...\n"); 01878 } else { 01879 f++; 01880 } 01881 req->header[f] = c + 1; 01882 } else if (*c == '\r') { 01883 /* Ignore but eliminate \r's */ 01884 *c = 0; 01885 } 01886 } 01887 /* Check for last header */ 01888 if (!ast_strlen_zero(req->header[f])) { 01889 f++; 01890 } 01891 req->headers = f; 01892 /* Now we process any mime content */ 01893 f = 0; 01894 req->line[f] = c; 01895 for (; *c; c++) { 01896 if (*c == '\n') { 01897 /* We've got a new line */ 01898 *c = 0; 01899 ast_debug(3, "Line: %s (%d)\n", req->line[f], (int) strlen(req->line[f])); 01900 if (f >= MGCP_MAX_LINES - 1) { 01901 ast_log(LOG_WARNING, "Too many SDP lines...\n"); 01902 } else { 01903 f++; 01904 } 01905 req->line[f] = c + 1; 01906 } else if (*c == '\r') { 01907 /* Ignore and eliminate \r's */ 01908 *c = 0; 01909 } 01910 } 01911 /* Check for last line */ 01912 if (!ast_strlen_zero(req->line[f])) { 01913 f++; 01914 } 01915 req->lines = f; 01916 /* Parse up the initial header */ 01917 c = req->header[0]; 01918 while (*c && *c < 33) c++; 01919 /* First the verb */ 01920 req->verb = c; 01921 while (*c && (*c > 32)) c++; 01922 if (*c) { 01923 *c = '\0'; 01924 c++; 01925 while (*c && (*c < 33)) c++; 01926 req->identifier = c; 01927 while (*c && (*c > 32)) c++; 01928 if (*c) { 01929 *c = '\0'; 01930 c++; 01931 while (*c && (*c < 33)) c++; 01932 req->endpoint = c; 01933 while (*c && (*c > 32)) c++; 01934 if (*c) { 01935 *c = '\0'; 01936 c++; 01937 while (*c && (*c < 33)) c++; 01938 req->version = c; 01939 while (*c && (*c > 32)) c++; 01940 while (*c && (*c < 33)) c++; 01941 while (*c && (*c > 32)) c++; 01942 *c = '\0'; 01943 } 01944 } 01945 } 01946 01947 ast_debug(1, "Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n", 01948 req->verb, req->identifier, req->endpoint, req->version); 01949 ast_debug(1, "%d headers, %d lines\n", req->headers, req->lines); 01950 if (*c) { 01951 ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c); 01952 } 01953 }
static int process_sdp | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 1955 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().
01956 { 01957 char *m; 01958 char *c; 01959 char *a; 01960 char host[258]; 01961 int len; 01962 int portno; 01963 format_t peercapability; 01964 int peerNonCodecCapability; 01965 struct sockaddr_in sin; 01966 struct ast_sockaddr sin_tmp; 01967 char *codecs; 01968 struct ast_hostent ahp; struct hostent *hp; 01969 int codec, codec_count=0; 01970 int iterator; 01971 struct mgcp_endpoint *p = sub->parent; 01972 char tmp1[256], tmp2[256], tmp3[256]; 01973 01974 /* Get codec and RTP info from SDP */ 01975 m = get_sdp(req, "m"); 01976 c = get_sdp(req, "c"); 01977 if (ast_strlen_zero(m) || ast_strlen_zero(c)) { 01978 ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c); 01979 return -1; 01980 } 01981 if (sscanf(c, "IN IP4 %256s", host) != 1) { 01982 ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c); 01983 return -1; 01984 } 01985 /* XXX This could block for a long time, and block the main thread! XXX */ 01986 hp = ast_gethostbyname(host, &ahp); 01987 if (!hp) { 01988 ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); 01989 return -1; 01990 } 01991 if (sscanf(m, "audio %30d RTP/AVP %n", &portno, &len) != 1) { 01992 ast_log(LOG_WARNING, "Unable to determine port number for RTP in '%s'\n", m); 01993 return -1; 01994 } 01995 sin.sin_family = AF_INET; 01996 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01997 sin.sin_port = htons(portno); 01998 ast_sockaddr_from_sin(&sin_tmp, &sin); 01999 ast_rtp_instance_set_remote_address(sub->rtp, &sin_tmp); 02000 ast_debug(3, "Peer RTP is at port %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 02001 /* Scan through the RTP payload types specified in a "m=" line: */ 02002 ast_rtp_codecs_payloads_clear(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp); 02003 codecs = ast_strdupa(m + len); 02004 while (!ast_strlen_zero(codecs)) { 02005 if (sscanf(codecs, "%30d%n", &codec, &len) != 1) { 02006 if (codec_count) { 02007 break; 02008 } 02009 ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs); 02010 return -1; 02011 } 02012 ast_rtp_codecs_payloads_set_m_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec); 02013 codec_count++; 02014 codecs += len; 02015 } 02016 02017 /* Next, scan through each "a=rtpmap:" line, noting each */ 02018 /* specified RTP payload type (with corresponding MIME subtype): */ 02019 sdpLineNum_iterator_init(&iterator); 02020 while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { 02021 char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */ 02022 if (sscanf(a, "rtpmap: %30u %127[^/]/", &codec, mimeSubtype) != 2) 02023 continue; 02024 /* Note: should really look at the 'freq' and '#chans' params too */ 02025 ast_rtp_codecs_payloads_set_rtpmap_type(ast_rtp_instance_get_codecs(sub->rtp), sub->rtp, codec, "audio", mimeSubtype, 0); 02026 } 02027 02028 /* Now gather all of the codecs that were asked for: */ 02029 ast_rtp_codecs_payload_formats(ast_rtp_instance_get_codecs(sub->rtp), &peercapability, &peerNonCodecCapability); 02030 p->capability = capability & peercapability; 02031 ast_debug(1, "Capabilities: us - %s, them - %s, combined - %s\n", 02032 ast_getformatname_multiple(tmp1, sizeof(tmp1), capability), 02033 ast_getformatname_multiple(tmp2, sizeof(tmp2), peercapability), 02034 ast_getformatname_multiple(tmp3, sizeof(tmp3), p->capability)); 02035 ast_debug(1, "Non-codec capabilities: us - %d, them - %d, combined - %d\n", 02036 nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability); 02037 if (!p->capability) { 02038 ast_log(LOG_WARNING, "No compatible codecs!\n"); 02039 return -1; 02040 } 02041 return 0; 02042 }
static void prune_gateways | ( | void | ) | [static] |
Definition at line 4530 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().
04531 { 04532 struct mgcp_gateway *g, *z, *r; 04533 struct mgcp_endpoint *e, *p, *t; 04534 04535 ast_mutex_lock(&gatelock); 04536 04537 /* prune gateways */ 04538 for (z = NULL, g = gateways; g;) { 04539 /* prune endpoints */ 04540 for (p = NULL, e = g->endpoints; e; ) { 04541 if (!g->realtime && (e->delme || g->delme)) { 04542 t = e; 04543 e = e->next; 04544 if (!p) 04545 g->endpoints = e; 04546 else 04547 p->next = e; 04548 destroy_endpoint(t); 04549 } else { 04550 p = e; 04551 e = e->next; 04552 } 04553 } 04554 04555 if (g->delme) { 04556 r = g; 04557 g = g->next; 04558 if (!z) 04559 gateways = g; 04560 else 04561 z->next = g; 04562 04563 destroy_gateway(r); 04564 } else { 04565 z = g; 04566 g = g->next; 04567 } 04568 } 04569 04570 ast_mutex_unlock(&gatelock); 04571 }
static int reload | ( | void | ) | [static] |
Definition at line 4846 of file chan_mgcp.c.
References mgcp_reload().
04847 { 04848 mgcp_reload(NULL, 0, NULL); 04849 return 0; 04850 }
static int reload_config | ( | int | reload | ) | [static] |
Definition at line 4605 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().
04606 { 04607 struct ast_config *cfg; 04608 struct ast_variable *v; 04609 struct mgcp_gateway *g; 04610 struct mgcp_endpoint *e; 04611 char *cat; 04612 struct ast_hostent ahp; 04613 struct hostent *hp; 04614 int format; 04615 struct ast_flags config_flags = { reload ? CONFIG_FLAG_FILEUNCHANGED : 0 }; 04616 04617 if (gethostname(ourhost, sizeof(ourhost)-1)) { 04618 ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n"); 04619 return 0; 04620 } 04621 cfg = ast_config_load(config, config_flags); 04622 04623 /* We *must* have a config file otherwise stop immediately */ 04624 if (!cfg) { 04625 ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config); 04626 return 0; 04627 } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) { 04628 return 0; 04629 } else if (cfg == CONFIG_STATUS_FILEINVALID) { 04630 ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config); 04631 return 0; 04632 } 04633 04634 memset(&bindaddr, 0, sizeof(bindaddr)); 04635 dtmfmode = 0; 04636 04637 /* Copy the default jb config over global_jbconf */ 04638 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 04639 04640 for (v = ast_variable_browse(cfg, "general"); v; v = v->next) { 04641 /* handle jb conf */ 04642 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) { 04643 continue; 04644 } 04645 04646 /* Create the interface list */ 04647 if (!strcasecmp(v->name, "bindaddr")) { 04648 if (!(hp = ast_gethostbyname(v->value, &ahp))) { 04649 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); 04650 } else { 04651 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 04652 } 04653 } else if (!strcasecmp(v->name, "allow")) { 04654 format = ast_getformatbyname(v->value); 04655 if (format < 1) { 04656 ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value); 04657 } else { 04658 capability |= format; 04659 } 04660 } else if (!strcasecmp(v->name, "disallow")) { 04661 format = ast_getformatbyname(v->value); 04662 if (format < 1) { 04663 ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value); 04664 } else { 04665 capability &= ~format; 04666 } 04667 } else if (!strcasecmp(v->name, "tos")) { 04668 if (ast_str2tos(v->value, &qos.tos)) { 04669 ast_log(LOG_WARNING, "Invalid tos value at line %d, refer to QoS documentation\n", v->lineno); 04670 } 04671 } else if (!strcasecmp(v->name, "tos_audio")) { 04672 if (ast_str2tos(v->value, &qos.tos_audio)) 04673 ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno); 04674 } else if (!strcasecmp(v->name, "cos")) { 04675 if (ast_str2cos(v->value, &qos.cos)) 04676 ast_log(LOG_WARNING, "Invalid cos value at line %d, refer to QoS documentation\n", v->lineno); 04677 } else if (!strcasecmp(v->name, "cos_audio")) { 04678 if (ast_str2cos(v->value, &qos.cos_audio)) 04679 ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno); 04680 } else if (!strcasecmp(v->name, "port")) { 04681 if (sscanf(v->value, "%5d", &ourport) == 1) { 04682 bindaddr.sin_port = htons(ourport); 04683 } else { 04684 ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config); 04685 } 04686 } else if (!strcasecmp(v->name, "firstdigittimeout")) { 04687 firstdigittimeout = atoi(v->value); 04688 } else if (!strcasecmp(v->name, "gendigittimeout")) { 04689 gendigittimeout = atoi(v->value); 04690 } else if (!strcasecmp(v->name, "matchdigittimeout")) { 04691 matchdigittimeout = atoi(v->value); 04692 } 04693 } 04694 04695 /* mark existing entries for deletion */ 04696 ast_mutex_lock(&gatelock); 04697 for (g = gateways; g; g = g->next) { 04698 g->delme = 1; 04699 for (e = g->endpoints; e; e = e->next) { 04700 e->delme = 1; 04701 } 04702 } 04703 ast_mutex_unlock(&gatelock); 04704 04705 for (cat = ast_category_browse(cfg, NULL); cat; cat = ast_category_browse(cfg, cat)) { 04706 if (strcasecmp(cat, "general")) { 04707 ast_mutex_lock(&gatelock); 04708 if ((g = build_gateway(cat, ast_variable_browse(cfg, cat)))) { 04709 ast_verb(3, "Added gateway '%s'\n", g->name); 04710 g->next = gateways; 04711 gateways = g; 04712 } 04713 ast_mutex_unlock(&gatelock); 04714 04715 /* FS: process queue and IO */ 04716 if (monitor_thread == pthread_self()) { 04717 if (sched) ast_sched_runq(sched); 04718 if (io) ast_io_wait(io, 10); 04719 } 04720 } 04721 } 04722 04723 /* prune deleted entries etc. */ 04724 prune_gateways(); 04725 04726 if (ntohl(bindaddr.sin_addr.s_addr)) { 04727 memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip)); 04728 } else { 04729 hp = ast_gethostbyname(ourhost, &ahp); 04730 if (!hp) { 04731 ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n"); 04732 ast_config_destroy(cfg); 04733 return 0; 04734 } 04735 memcpy(&__ourip, hp->h_addr, sizeof(__ourip)); 04736 } 04737 if (!ntohs(bindaddr.sin_port)) 04738 bindaddr.sin_port = htons(DEFAULT_MGCP_CA_PORT); 04739 bindaddr.sin_family = AF_INET; 04740 ast_mutex_lock(&netlock); 04741 if (mgcpsock > -1) 04742 close(mgcpsock); 04743 04744 if (mgcpsock_read_id != NULL) 04745 ast_io_remove(io, mgcpsock_read_id); 04746 mgcpsock_read_id = NULL; 04747 04748 mgcpsock = socket(AF_INET, SOCK_DGRAM, 0); 04749 if (mgcpsock < 0) { 04750 ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno)); 04751 } else { 04752 if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) { 04753 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n", 04754 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port), 04755 strerror(errno)); 04756 close(mgcpsock); 04757 mgcpsock = -1; 04758 } else { 04759 ast_verb(2, "MGCP Listening on %s:%d\n", 04760 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port)); 04761 ast_netsock_set_qos(mgcpsock, qos.tos, qos.cos, "MGCP"); 04762 } 04763 } 04764 ast_mutex_unlock(&netlock); 04765 ast_config_destroy(cfg); 04766 04767 /* send audit only to the new endpoints */ 04768 for (g = gateways; g; g = g->next) { 04769 for (e = g->endpoints; e && e->needaudit; e = e->next) { 04770 e->needaudit = 0; 04771 transmit_audit_endpoint(e); 04772 ast_verb(3, "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name); 04773 } 04774 } 04775 04776 return 0; 04777 }
static int reqprep | ( | struct mgcp_request * | req, | |
struct mgcp_endpoint * | p, | |||
char * | verb | |||
) | [static] |
Definition at line 2138 of file chan_mgcp.c.
References 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().
static int resend_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_response * | resp | |||
) | [static] |
Definition at line 557 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().
00558 { 00559 struct mgcp_endpoint *p = sub->parent; 00560 int res; 00561 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)); 00562 res = __mgcp_xmit(p->parent, resp->buf, resp->len); 00563 if (res > 0) 00564 res = 0; 00565 return res; 00566 }
static int respprep | ( | struct mgcp_request * | resp, | |
struct mgcp_endpoint * | p, | |||
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2131 of file chan_mgcp.c.
References init_resp().
Referenced by transmit_response().
02132 { 02133 memset(resp, 0, sizeof(*resp)); 02134 init_resp(resp, msg, req, msgrest); 02135 return 0; 02136 }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 3878 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().
03879 { 03880 /* If we're supposed to be stopped -- stay stopped */ 03881 if (monitor_thread == AST_PTHREADT_STOP) 03882 return 0; 03883 if (ast_mutex_lock(&monlock)) { 03884 ast_log(LOG_WARNING, "Unable to lock monitor\n"); 03885 return -1; 03886 } 03887 if (monitor_thread == pthread_self()) { 03888 ast_mutex_unlock(&monlock); 03889 ast_log(LOG_WARNING, "Cannot kill myself\n"); 03890 return -1; 03891 } 03892 if (monitor_thread != AST_PTHREADT_NULL) { 03893 /* Wake up the thread */ 03894 pthread_kill(monitor_thread, SIGURG); 03895 } else { 03896 /* Start a new monitor */ 03897 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { 03898 ast_mutex_unlock(&monlock); 03899 ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); 03900 return -1; 03901 } 03902 } 03903 ast_mutex_unlock(&monlock); 03904 return 0; 03905 }
static int retrans_pkt | ( | const void * | data | ) | [static] |
Definition at line 654 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().
00655 { 00656 struct mgcp_gateway *gw = (struct mgcp_gateway *)data; 00657 struct mgcp_message *cur, *exq = NULL, *w, *prev; 00658 int res = 0; 00659 00660 /* find out expired msgs */ 00661 ast_mutex_lock(&gw->msgs_lock); 00662 00663 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 00664 if (cur->retrans < MAX_RETRANS) { 00665 cur->retrans++; 00666 ast_debug(1, "Retransmitting #%d transaction %u on [%s]\n", 00667 cur->retrans, cur->seqno, gw->name); 00668 __mgcp_xmit(gw, cur->buf, cur->len); 00669 } else { 00670 if (prev) 00671 prev->next = cur->next; 00672 else 00673 gw->msgs = cur->next; 00674 00675 ast_log(LOG_WARNING, "Maximum retries exceeded for transaction %u on [%s]\n", 00676 cur->seqno, gw->name); 00677 00678 w = cur; 00679 00680 if (exq) { 00681 w->next = exq; 00682 } else { 00683 w->next = NULL; 00684 } 00685 exq = w; 00686 } 00687 } 00688 00689 if (!gw->msgs) { 00690 gw->retransid = -1; 00691 res = 0; 00692 } else { 00693 res = 1; 00694 } 00695 ast_mutex_unlock(&gw->msgs_lock); 00696 00697 while (exq) { 00698 cur = exq; 00699 /* time-out transaction */ 00700 handle_response(cur->owner_ep, cur->owner_sub, 406, cur->seqno, NULL); 00701 exq = exq->next; 00702 ast_free(cur); 00703 } 00704 00705 return res; 00706 }
static void sdpLineNum_iterator_init | ( | int * | iterator | ) | [static] |
Definition at line 1599 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 753 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().
00755 { 00756 int res = 0; 00757 struct mgcp_request **queue, *q, *r, *t; 00758 ast_mutex_t *l; 00759 00760 ast_debug(1, "Slow sequence is %d\n", p->slowsequence); 00761 if (p->slowsequence) { 00762 queue = &p->cmd_queue; 00763 l = &p->cmd_queue_lock; 00764 ast_mutex_lock(l); 00765 } else { 00766 switch (req->cmd) { 00767 case MGCP_CMD_DLCX: 00768 queue = &sub->cx_queue; 00769 l = &sub->cx_queue_lock; 00770 ast_mutex_lock(l); 00771 q = sub->cx_queue; 00772 /* delete pending cx cmds */ 00773 /* buggy sb5120 */ 00774 if (!sub->parent->ncs) { 00775 while (q) { 00776 r = q->next; 00777 ast_free(q); 00778 q = r; 00779 } 00780 *queue = NULL; 00781 } 00782 break; 00783 00784 case MGCP_CMD_CRCX: 00785 case MGCP_CMD_MDCX: 00786 queue = &sub->cx_queue; 00787 l = &sub->cx_queue_lock; 00788 ast_mutex_lock(l); 00789 break; 00790 00791 case MGCP_CMD_RQNT: 00792 queue = &p->rqnt_queue; 00793 l = &p->rqnt_queue_lock; 00794 ast_mutex_lock(l); 00795 break; 00796 00797 default: 00798 queue = &p->cmd_queue; 00799 l = &p->cmd_queue_lock; 00800 ast_mutex_lock(l); 00801 break; 00802 } 00803 } 00804 00805 if (!(r = ast_malloc(sizeof(*r)))) { 00806 ast_log(LOG_WARNING, "Cannot post MGCP request: insufficient memory\n"); 00807 ast_mutex_unlock(l); 00808 return -1; 00809 } 00810 memcpy(r, req, sizeof(*r)); 00811 00812 if (!(*queue)) { 00813 ast_debug(1, "Posting Request:\n%s to %s:%d\n", req->data, 00814 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00815 00816 res = mgcp_postrequest(p, sub, req->data, req->len, seqno); 00817 } else { 00818 ast_debug(1, "Queueing Request:\n%s to %s:%d\n", req->data, 00819 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00820 } 00821 00822 /* XXX find tail. We could also keep tail in the data struct for faster access */ 00823 for (t = *queue; t && t->next; t = t->next); 00824 00825 r->next = NULL; 00826 if (t) 00827 t->next = r; 00828 else 00829 *queue = r; 00830 00831 ast_mutex_unlock(l); 00832 00833 return res; 00834 }
static int send_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 568 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().
00569 { 00570 struct mgcp_endpoint *p = sub->parent; 00571 int res; 00572 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)); 00573 res = __mgcp_xmit(p->parent, req->data, req->len); 00574 if (res > 0) 00575 res = 0; 00576 return res; 00577 }
static void start_rtp | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2914 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().
02915 { 02916 struct ast_sockaddr bindaddr_tmp; 02917 02918 ast_mutex_lock(&sub->lock); 02919 /* check again to be on the safe side */ 02920 if (sub->rtp) { 02921 ast_rtp_instance_destroy(sub->rtp); 02922 sub->rtp = NULL; 02923 } 02924 /* Allocate the RTP now */ 02925 ast_sockaddr_from_sin(&bindaddr_tmp, &bindaddr); 02926 sub->rtp = ast_rtp_instance_new("asterisk", sched, &bindaddr_tmp, NULL); 02927 if (sub->rtp && sub->owner) 02928 ast_channel_set_fd(sub->owner, 0, ast_rtp_instance_fd(sub->rtp, 0)); 02929 if (sub->rtp) { 02930 ast_rtp_instance_set_qos(sub->rtp, qos.tos_audio, qos.cos_audio, "MGCP RTP"); 02931 ast_rtp_instance_set_prop(sub->rtp, AST_RTP_PROPERTY_NAT, sub->nat); 02932 } 02933 /* Make a call*ID */ 02934 snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", ast_random(), sub->txident); 02935 /* Transmit the connection create */ 02936 if(!sub->parent->pktcgatealloc) { 02937 transmit_connect_with_sdp(sub, NULL); 02938 } else { 02939 transmit_connect(sub); 02940 sub->gate = NULL; 02941 if(!mgcp_alloc_pktcgate(sub)) 02942 mgcp_queue_hangup(sub); 02943 } 02944 ast_mutex_unlock(&sub->lock); 02945 }
static int transmit_audit_endpoint | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 2626 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().
02627 { 02628 struct mgcp_request resp; 02629 reqprep(&resp, p, "AUEP"); 02630 /* removed unknown param VS */ 02631 /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/ 02632 add_header(&resp, "F", "A"); 02633 /* fill in new fields */ 02634 resp.cmd = MGCP_CMD_AUEP; 02635 resp.trid = oseq; 02636 return send_request(p, NULL, &resp, oseq); 02637 }
static int transmit_connect | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2423 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().
02424 { 02425 struct mgcp_request resp; 02426 char local[256]; 02427 char tmp[80]; 02428 format_t x; 02429 struct mgcp_endpoint *p = sub->parent; 02430 02431 ast_copy_string(local, "p:20, s:off, e:on", sizeof(local)); 02432 02433 for (x = 1LL; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02434 if (p->capability & x) { 02435 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02436 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02437 } 02438 } 02439 02440 ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02441 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02442 sub->sdpsent = 0; 02443 reqprep(&resp, p, "CRCX"); 02444 add_header(&resp, "C", sub->callid); 02445 add_header(&resp, "L", local); 02446 add_header(&resp, "M", "inactive"); 02447 /* X header should not be sent. kept for compatibility */ 02448 add_header(&resp, "X", sub->txident); 02449 /*add_header(&resp, "S", "");*/ 02450 /* fill in new fields */ 02451 resp.cmd = MGCP_CMD_CRCX; 02452 resp.trid = oseq; 02453 return send_request(p, sub, &resp, oseq); 02454 }
static int transmit_connect_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp_instance * | rtp | |||
) | [static] |
Definition at line 2328 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().
02329 { 02330 struct mgcp_request resp; 02331 char local[256]; 02332 char tmp[80]; 02333 int x; 02334 struct mgcp_endpoint *p = sub->parent; 02335 02336 ast_debug(3, "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02337 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02338 02339 ast_copy_string(local, "e:on, s:off, p:20", sizeof(local)); 02340 02341 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02342 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02343 /* No longer contiguous */ 02344 continue; 02345 } 02346 if (p->capability & x) { 02347 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02348 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02349 } 02350 } 02351 02352 if (sub->gate) { 02353 if(sub->gate->state == GATE_ALLOCATED) { 02354 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02355 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02356 } 02357 } 02358 sub->sdpsent = 1; 02359 reqprep(&resp, p, "CRCX"); 02360 add_header(&resp, "C", sub->callid); 02361 add_header(&resp, "L", local); 02362 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02363 /* X header should not be sent. kept for compatibility */ 02364 add_header(&resp, "X", sub->txident); 02365 /*add_header(&resp, "S", "");*/ 02366 add_sdp(&resp, sub, rtp); 02367 /* fill in new fields */ 02368 resp.cmd = MGCP_CMD_CRCX; 02369 resp.trid = oseq; 02370 return send_request(p, sub, &resp, oseq); 02371 }
static int transmit_connection_del | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2639 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().
02640 { 02641 struct mgcp_endpoint *p = sub->parent; 02642 struct mgcp_request resp; 02643 02644 ast_debug(3, "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n", 02645 sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02646 reqprep(&resp, p, "DLCX"); 02647 /* check if call id is avail */ 02648 if (sub->callid[0]) 02649 add_header(&resp, "C", sub->callid); 02650 /* X header should not be sent. kept for compatibility */ 02651 add_header(&resp, "X", sub->txident); 02652 /* check if cxident is avail */ 02653 if (sub->cxident[0]) 02654 add_header(&resp, "I", sub->cxident); 02655 /* fill in new fields */ 02656 resp.cmd = MGCP_CMD_DLCX; 02657 resp.trid = oseq; 02658 return send_request(p, sub, &resp, oseq); 02659 }
static int transmit_connection_del_w_params | ( | struct mgcp_endpoint * | p, | |
char * | callid, | |||
char * | cxident | |||
) | [static] |
Definition at line 2661 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().
02662 { 02663 struct mgcp_request resp; 02664 02665 ast_debug(3, "Delete connection %s %s@%s on callid: %s\n", 02666 cxident ? cxident : "", p->name, p->parent->name, callid ? callid : ""); 02667 reqprep(&resp, p, "DLCX"); 02668 /* check if call id is avail */ 02669 if (callid && *callid) 02670 add_header(&resp, "C", callid); 02671 /* check if cxident is avail */ 02672 if (cxident && *cxident) 02673 add_header(&resp, "I", cxident); 02674 /* fill in new fields */ 02675 resp.cmd = MGCP_CMD_DLCX; 02676 resp.trid = oseq; 02677 return send_request(p, p->sub, &resp, oseq); 02678 }
static int transmit_modify_request | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2527 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().
02528 { 02529 struct mgcp_request resp; 02530 struct mgcp_endpoint *p = sub->parent; 02531 format_t x; 02532 int fc = 1; 02533 char local[256]; 02534 char tmp[80]; 02535 02536 if (ast_strlen_zero(sub->cxident)) { 02537 /* We don't have a CXident yet, store the destination and 02538 wait a bit */ 02539 return 0; 02540 } 02541 ast_debug(3, "Modified %s@%s-%d with new mode: %s on callid: %s\n", 02542 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02543 02544 ast_copy_string(local, "", sizeof(local)); 02545 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02546 if (p->capability & x) { 02547 if (p->ncs && !fc) { 02548 p->capability = x; /* sb5120e bug */ 02549 break; 02550 } else { 02551 fc = 0; 02552 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02553 } 02554 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02555 } 02556 } 02557 02558 if (!sub->sdpsent) { 02559 if (sub->gate) { 02560 if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) { 02561 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02562 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02563 } else { 02564 /* we still don't have gateid wait */ 02565 return 0; 02566 } 02567 } 02568 } 02569 02570 reqprep(&resp, p, "MDCX"); 02571 add_header(&resp, "C", sub->callid); 02572 if (!sub->sdpsent) { 02573 add_header(&resp, "L", local); 02574 } 02575 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02576 /* X header should not be sent. kept for compatibility */ 02577 add_header(&resp, "X", sub->txident); 02578 add_header(&resp, "I", sub->cxident); 02579 switch (sub->parent->hookstate) { 02580 case MGCP_ONHOOK: 02581 add_header(&resp, "R", "L/hd(N)"); 02582 break; 02583 case MGCP_OFFHOOK: 02584 add_header_offhook(sub, &resp, ""); 02585 break; 02586 } 02587 if (!sub->sdpsent) { 02588 add_sdp(&resp, sub, NULL); 02589 sub->sdpsent = 1; 02590 } 02591 /* fill in new fields */ 02592 resp.cmd = MGCP_CMD_MDCX; 02593 resp.trid = oseq; 02594 return send_request(p, sub, &resp, oseq); 02595 }
static int transmit_modify_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp_instance * | rtp, | |||
format_t | codecs | |||
) | [static] |
Definition at line 2271 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().
02272 { 02273 struct mgcp_request resp; 02274 char local[256]; 02275 char tmp[80]; 02276 struct mgcp_endpoint *p = sub->parent; 02277 format_t x; 02278 struct ast_sockaddr sub_tmpdest_tmp; 02279 02280 if (ast_strlen_zero(sub->cxident) && rtp) { 02281 /* We don't have a CXident yet, store the destination and 02282 wait a bit */ 02283 ast_rtp_instance_get_remote_address(rtp, &sub_tmpdest_tmp); 02284 ast_sockaddr_to_sin(&sub_tmpdest_tmp, &sub->tmpdest); 02285 return 0; 02286 } 02287 ast_copy_string(local, "e:on, s:off, p:20", sizeof(local)); 02288 for (x = 1; x <= AST_FORMAT_AUDIO_MASK; x <<= 1) { 02289 if (!(x & AST_FORMAT_AUDIO_MASK)) { 02290 /* No longer contiguous */ 02291 continue; 02292 } 02293 if (p->capability & x) { 02294 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype2(1, x, 0)); 02295 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02296 } 02297 } 02298 02299 if (sub->gate) { 02300 if (sub->gate->state == GATE_ALLOCATED || sub->gate->state == GATE_OPEN) { 02301 snprintf(tmp, sizeof(tmp), ", dq-gi:%x", sub->gate->gateid); 02302 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02303 sub->sdpsent = 1; 02304 } else { 02305 /* oops wait */ 02306 ast_debug(1, "Waiting for opened gate...\n"); 02307 sub->sdpsent = 0; 02308 return 0; 02309 } 02310 } 02311 02312 02313 reqprep(&resp, p, "MDCX"); 02314 add_header(&resp, "C", sub->callid); 02315 add_header(&resp, "L", local); 02316 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02317 /* X header should not be sent. kept for compatibility */ 02318 add_header(&resp, "X", sub->txident); 02319 add_header(&resp, "I", sub->cxident); 02320 /*add_header(&resp, "S", "");*/ 02321 add_sdp(&resp, sub, rtp); 02322 /* fill in new fields */ 02323 resp.cmd = MGCP_CMD_MDCX; 02324 resp.trid = oseq; 02325 return send_request(p, sub, &resp, oseq); 02326 }
static int transmit_notify_request | ( | struct mgcp_subchannel * | sub, | |
char * | tone | |||
) | [static] |
Definition at line 2456 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().
02457 { 02458 struct mgcp_request resp; 02459 struct mgcp_endpoint *p = sub->parent; 02460 02461 ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02462 tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02463 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02464 reqprep(&resp, p, "RQNT"); 02465 add_header(&resp, "X", p->rqnt_ident); 02466 switch (p->hookstate) { 02467 case MGCP_ONHOOK: 02468 add_header(&resp, "R", "L/hd(N)"); 02469 break; 02470 case MGCP_OFFHOOK: 02471 add_header_offhook(sub, &resp, tone); 02472 break; 02473 } 02474 if (!ast_strlen_zero(tone)) { 02475 add_header(&resp, "S", tone); 02476 } 02477 /* fill in new fields */ 02478 resp.cmd = MGCP_CMD_RQNT; 02479 resp.trid = oseq; 02480 return send_request(p, NULL, &resp, oseq); 02481 }
static int transmit_notify_request_with_callerid | ( | struct mgcp_subchannel * | sub, | |
char * | tone, | |||
char * | callernum, | |||
char * | callername | |||
) | [static] |
Definition at line 2483 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().
02484 { 02485 struct mgcp_request resp; 02486 char tone2[256]; 02487 char *l, *n; 02488 struct timeval t = ast_tvnow(); 02489 struct ast_tm tm; 02490 struct mgcp_endpoint *p = sub->parent; 02491 02492 ast_localtime(&t, &tm, NULL); 02493 n = callername; 02494 l = callernum; 02495 if (!n) 02496 n = ""; 02497 if (!l) 02498 l = ""; 02499 02500 /* Keep track of last callerid for blacklist and callreturn */ 02501 ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid)); 02502 02503 snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone, 02504 tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n); 02505 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02506 reqprep(&resp, p, "RQNT"); 02507 add_header(&resp, "X", p->rqnt_ident); 02508 switch (p->hookstate) { 02509 case MGCP_ONHOOK: 02510 add_header(&resp, "R", "L/hd(N)"); 02511 break; 02512 case MGCP_OFFHOOK: 02513 add_header_offhook(sub, &resp, tone); 02514 break; 02515 } 02516 if (!ast_strlen_zero(tone2)) { 02517 add_header(&resp, "S", tone2); 02518 } 02519 ast_debug(3, "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02520 tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02521 /* fill in new fields */ 02522 resp.cmd = MGCP_CMD_RQNT; 02523 resp.trid = oseq; 02524 return send_request(p, NULL, &resp, oseq); 02525 }
static int transmit_response | ( | struct mgcp_subchannel * | sub, | |
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2149 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().
02150 { 02151 struct mgcp_request resp; 02152 struct mgcp_endpoint *p = sub->parent; 02153 struct mgcp_response *mgr; 02154 02155 if (!sub) { 02156 return -1; 02157 } 02158 02159 respprep(&resp, p, msg, req, msgrest); 02160 if (!(mgr = ast_calloc(1, sizeof(*mgr) + resp.len + 1))) { 02161 return send_response(sub, &resp); 02162 } 02163 /* Store MGCP response in case we have to retransmit */ 02164 sscanf(req->identifier, "%30d", &mgr->seqno); 02165 time(&mgr->whensent); 02166 mgr->len = resp.len; 02167 memcpy(mgr->buf, resp.data, resp.len); 02168 mgr->buf[resp.len] = '\0'; 02169 mgr->next = p->parent->responses; 02170 p->parent->responses = mgr; 02171 02172 return send_response(sub, &resp); 02173 }
static int unalloc_sub | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 516 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().
00517 { 00518 struct mgcp_endpoint *p = sub->parent; 00519 if (p->sub == sub) { 00520 ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name); 00521 return -1; 00522 } 00523 ast_debug(1, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name); 00524 00525 sub->owner = NULL; 00526 if (!ast_strlen_zero(sub->cxident)) { 00527 transmit_connection_del(sub); 00528 } 00529 sub->cxident[0] = '\0'; 00530 sub->callid[0] = '\0'; 00531 sub->cxmode = MGCP_CX_INACTIVE; 00532 sub->outgoing = 0; 00533 sub->alreadygone = 0; 00534 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00535 if (sub->rtp) { 00536 ast_rtp_instance_destroy(sub->rtp); 00537 sub->rtp = NULL; 00538 } 00539 dump_cmd_queues(NULL, sub); 00540 return 0; 00541 }
static int unload_module | ( | void | ) | [static] |
Definition at line 4852 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().
04853 { 04854 struct mgcp_endpoint *e; 04855 struct mgcp_gateway *g; 04856 04857 /* Check to see if we're reloading */ 04858 if (ast_mutex_trylock(&mgcp_reload_lock)) { 04859 ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n"); 04860 return -1; 04861 } else { 04862 mgcp_reloading = 1; 04863 ast_mutex_unlock(&mgcp_reload_lock); 04864 } 04865 04866 /* First, take us out of the channel loop */ 04867 ast_channel_unregister(&mgcp_tech); 04868 04869 /* Shut down the monitoring thread */ 04870 if (!ast_mutex_lock(&monlock)) { 04871 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) { 04872 pthread_cancel(monitor_thread); 04873 pthread_kill(monitor_thread, SIGURG); 04874 pthread_join(monitor_thread, NULL); 04875 } 04876 monitor_thread = AST_PTHREADT_STOP; 04877 ast_mutex_unlock(&monlock); 04878 } else { 04879 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 04880 /* We always want to leave this in a consistent state */ 04881 ast_channel_register(&mgcp_tech); 04882 mgcp_reloading = 0; 04883 mgcp_reload(NULL, 0, NULL); 04884 return -1; 04885 } 04886 04887 if (!ast_mutex_lock(&gatelock)) { 04888 for (g = gateways; g; g = g->next) { 04889 g->delme = 1; 04890 for (e = g->endpoints; e; e = e->next) { 04891 e->delme = 1; 04892 } 04893 } 04894 04895 prune_gateways(); 04896 ast_mutex_unlock(&gatelock); 04897 } else { 04898 ast_log(LOG_WARNING, "Unable to lock the gateways list.\n"); 04899 /* We always want to leave this in a consistent state */ 04900 ast_channel_register(&mgcp_tech); 04901 /* Allow the monitor to restart */ 04902 monitor_thread = AST_PTHREADT_NULL; 04903 mgcp_reloading = 0; 04904 mgcp_reload(NULL, 0, NULL); 04905 return -1; 04906 } 04907 04908 close(mgcpsock); 04909 ast_rtp_glue_unregister(&mgcp_rtp_glue); 04910 ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04911 sched_context_destroy(sched); 04912 04913 return 0; 04914 }
struct in_addr __ourip [static] |
Definition at line 231 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 426 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 227 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 1169 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 206 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 209 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 237 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_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 212 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 419 of file chan_mgcp.c.
struct ast_rtp_glue mgcp_rtp_glue [static] |
Definition at line 4435 of file chan_mgcp.c.
struct ast_channel_tech mgcp_tech [static] |
Definition at line 463 of file chan_mgcp.c.
int mgcpdebug = 0 [static] |
Definition at line 234 of file chan_mgcp.c.
int mgcpsock = -1 [static] |
Definition at line 424 of file chan_mgcp.c.
int* mgcpsock_read_id = NULL [static] |
Definition at line 3700 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 223 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 228 of file chan_mgcp.c.
unsigned int oseq [static] |
Definition at line 203 of file chan_mgcp.c.
char ourhost[MAXHOSTNAMELEN] [static] |
Definition at line 230 of file chan_mgcp.c.
Referenced by ast_find_ourip().
int ourport [static] |
Definition at line 232 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 236 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().