#include "asterisk.h"
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <errno.h>
#include <stdlib.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/logger.h"
#include "asterisk/module.h"
#include "asterisk/pbx.h"
#include "asterisk/options.h"
#include "asterisk/sched.h"
#include "asterisk/io.h"
#include "asterisk/rtp.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/causes.h"
#include "asterisk/dsp.h"
#include "asterisk/devicestate.h"
#include "asterisk/stringfields.h"
#include "asterisk/abstract_jb.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 | CANREINVITE 1 |
#define | DEFAULT_EXPIRY 120 |
#define | DEFAULT_MGCP_CA_PORT 2727 |
#define | DEFAULT_MGCP_GW_PORT 2427 |
#define | DEFAULT_RETRANS 1000 |
#define | INADDR_NONE (in_addr_t)(-1) |
#define | IPTOS_MINCOST 0x02 |
#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) |
static int | __mgcp_xmit (struct mgcp_gateway *gw, char *data, int len) |
static int | add_header (struct mgcp_request *req, char *var, char *value) |
static void | add_header_offhook (struct mgcp_subchannel *sub, struct mgcp_request *resp) |
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 *rtp) |
AST_MODULE_INFO (ASTERISK_GPL_KEY, AST_MODFLAG_DEFAULT,"Media Gateway Control Protocol (MGCP)",.load=load_module,.unload=unload_module,.reload=reload,) | |
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 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_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 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_answer (struct ast_channel *ast) |
static int | mgcp_audit_endpoint (int fd, int argc, char *argv[]) |
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_do_debug (int fd, int argc, char *argv[]) |
static int | mgcp_do_reload (void) |
mgcp_do_reload: Reload module | |
static int | mgcp_fixup (struct ast_channel *oldchan, struct ast_channel *newchan) |
static enum ast_rtp_get_result | mgcp_get_rtp_peer (struct ast_channel *chan, struct ast_rtp **rtp) |
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) |
static int | mgcp_no_debug (int fd, int argc, char *argv[]) |
static int | mgcp_postrequest (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, char *data, int len, unsigned int seqno) |
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 int | mgcp_reload (int fd, int argc, char *argv[]) |
static struct ast_channel * | mgcp_request (const char *type, int format, 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 *rtp, struct ast_rtp *vrtp, int codecs, int nat_active) |
static int | mgcp_show_endpoints (int fd, int argc, char *argv[]) |
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 | 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 (void) |
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_with_sdp (struct mgcp_subchannel *sub, struct ast_rtp *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 *rtp, int 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 char | audit_endpoint_usage [] |
static struct sockaddr_in | bindaddr |
static int | callreturn = 0 |
static int | callwaiting = 0 |
static int | cancallforward = 0 |
static int | canreinvite = CANREINVITE |
static int | 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 char | debug_usage [] |
static struct ast_jb_conf | default_jbconf |
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 | immediate = 0 |
static struct io_context * | io |
static char | language [MAX_LANGUAGE] = "" |
static char | mailbox [AST_MAX_EXTENSION] |
static int | matchdigittimeout = 3000 |
static char * | mgcp_cxmodes [] |
static char | mgcp_reload_usage [] |
static int | mgcp_reloading = 0 |
static struct ast_rtp_protocol | mgcp_rtp |
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 char | no_debug_usage [] |
static int | nonCodecCapability = AST_RTP_DTMF |
static unsigned int | oseq |
static char | ourhost [MAXHOSTNAMELEN] |
static int | ourport |
static struct sched_context * | sched |
static char | show_endpoints_usage [] |
static int | singlepath = 0 |
static int | slowsequence = 0 |
static const char | tdesc [] = "Media Gateway Control Protocol (MGCP)" |
static int | threewaycalling = 0 |
static int | tos = 0 |
static int | transfer = 0 |
Definition in file chan_mgcp.c.
#define CANREINVITE 1 |
#define DEFAULT_EXPIRY 120 |
Definition at line 94 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 122 of file chan_mgcp.c.
Referenced by __sip_reliable_xmit(), mgcp_postrequest(), and retrans_pkt().
#define INADDR_NONE (in_addr_t)(-1) |
#define IPTOS_MINCOST 0x02 |
Definition at line 84 of file chan_mgcp.c.
#define MAX_EXPIRY 3600 |
Definition at line 95 of file chan_mgcp.c.
#define MAX_RETRANS 5 |
Try only 5 times for retransmissions
Definition at line 123 of file chan_mgcp.c.
Referenced by retrans_pkt().
#define MAX_SUBS 2 |
#define MGCP_CX_CONF 3 |
#define MGCP_CX_CONFERENCE 3 |
Definition at line 130 of file chan_mgcp.c.
#define MGCP_CX_INACTIVE 4 |
Definition at line 132 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), and unalloc_sub().
#define MGCP_CX_MUTE 4 |
#define MGCP_CX_RECVONLY 1 |
Definition at line 127 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 126 of file chan_mgcp.c.
#define MGCP_CX_SENDRECV 2 |
Definition at line 128 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 117 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 116 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 115 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 234 of file chan_mgcp.c.
Referenced by add_header(), init_req(), init_resp(), and parse().
#define MGCP_MAX_LINES 64 |
#define MGCP_MAX_PACKET 1500 |
Also from RFC 2543, should sub headers tho
Definition at line 121 of file chan_mgcp.c.
#define MGCP_OFFHOOK 2 |
Definition at line 309 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 308 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 286 of file chan_mgcp.c.
Referenced by build_gateway(), and mgcp_hangup().
#define MGCPDUMPER |
Definition at line 93 of file chan_mgcp.c.
#define RESPONSE_TIMEOUT 30 |
#define SUB_ALT 1 |
Definition at line 278 of file chan_mgcp.c.
#define SUB_REAL 0 |
Definition at line 277 of file chan_mgcp.c.
#define TYPE_LINE 2 |
Definition at line 312 of file chan_mgcp.c.
Referenced by build_device(), build_gateway(), do_monitor(), mgcp_call(), and skinny_hangup().
#define TYPE_TRUNK 1 |
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 143 of file chan_mgcp.c.
00143 { 00144 MGCP_CMD_EPCF, 00145 MGCP_CMD_CRCX, 00146 MGCP_CMD_MDCX, 00147 MGCP_CMD_DLCX, 00148 MGCP_CMD_RQNT, 00149 MGCP_CMD_NTFY, 00150 MGCP_CMD_AUEP, 00151 MGCP_CMD_AUCX, 00152 MGCP_CMD_RSIP 00153 };
static char* __get_header | ( | struct mgcp_request * | req, | |
char * | name, | |||
int * | start | |||
) | [static] |
Definition at line 1569 of file chan_mgcp.c.
References mgcp_request::header, mgcp_request::headers, and len.
Referenced by build_route(), copy_all_header(), copy_via_headers(), func_header_read(), get_header(), and handle_response_register().
01570 { 01571 int x; 01572 int len = strlen(name); 01573 char *r; 01574 for (x=*start;x<req->headers;x++) { 01575 if (!strncasecmp(req->header[x], name, len) && 01576 (req->header[x][len] == ':')) { 01577 r = req->header[x] + len + 1; 01578 while(*r && (*r < 33)) 01579 r++; 01580 *start = x+1; 01581 return r; 01582 } 01583 } 01584 /* Don't return NULL, so get_header is always a valid pointer */ 01585 return ""; 01586 }
static int __mgcp_xmit | ( | struct mgcp_gateway * | gw, | |
char * | data, | |||
int | len | |||
) | [static] |
Definition at line 491 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().
00492 { 00493 int res; 00494 if (gw->addr.sin_addr.s_addr) 00495 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in)); 00496 else 00497 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in)); 00498 if (res != len) { 00499 ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno)); 00500 } 00501 return res; 00502 }
static int add_header | ( | struct mgcp_request * | req, | |
char * | var, | |||
char * | value | |||
) | [static] |
Definition at line 1919 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 __transmit_response(), add_digit(), add_header_contentLength(), add_header_offhook(), add_route(), add_sdp(), add_t38_sdp(), add_text(), add_vidupdate(), append_date(), copy_all_header(), copy_header(), copy_via_headers(), initreqprep(), reqprep(), respprep(), sip_notify(), transmit_audit_endpoint(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_invite(), transmit_modify_request(), transmit_notify_request(), transmit_notify_request_with_callerid(), transmit_notify_with_mwi(), transmit_notify_with_sipfrag(), transmit_refer(), transmit_register(), transmit_reinvite_with_sdp(), transmit_reinvite_with_t38_sdp(), transmit_request_with_auth(), transmit_response_with_allow(), transmit_response_with_auth(), transmit_response_with_unsupported(), and transmit_state_notify().
01920 { 01921 if (req->len >= sizeof(req->data) - 4) { 01922 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01923 return -1; 01924 } 01925 if (req->lines) { 01926 ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n"); 01927 return -1; 01928 } 01929 req->header[req->headers] = req->data + req->len; 01930 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value); 01931 req->len += strlen(req->header[req->headers]); 01932 if (req->headers < MGCP_MAX_HEADERS) 01933 req->headers++; 01934 else { 01935 ast_log(LOG_WARNING, "Out of header space\n"); 01936 return -1; 01937 } 01938 return 0; 01939 }
static void add_header_offhook | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | resp | |||
) | [static] |
Definition at line 2320 of file chan_mgcp.c.
References ast_channel::_state, add_header(), AST_STATE_RINGING, mgcp_endpoint::dtmfmode, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_subchannel::owner, mgcp_subchannel::parent, and mgcp_endpoint::sub.
Referenced by transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
02321 { 02322 struct mgcp_endpoint *p = sub->parent; 02323 02324 if (p && p->sub && p->sub->owner && p->sub->owner->_state >= AST_STATE_RINGING && (p->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID))) 02325 add_header(resp, "R", "L/hu(N),L/hf(N)"); 02326 else 02327 add_header(resp, "R", "L/hu(N),L/hf(N),D/[0-9#*](N)"); 02328 }
static int add_line | ( | struct mgcp_request * | req, | |
char * | line | |||
) | [static] |
Definition at line 1941 of file chan_mgcp.c.
References ast_log(), mgcp_request::data, mgcp_request::len, mgcp_request::line, mgcp_request::lines, LOG_WARNING, and MGCP_MAX_LINES.
Referenced by add_digit(), add_sdp(), add_t38_sdp(), add_text(), add_vidupdate(), transmit_notify_with_mwi(), transmit_notify_with_sipfrag(), and transmit_state_notify().
01942 { 01943 if (req->len >= sizeof(req->data) - 4) { 01944 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01945 return -1; 01946 } 01947 if (!req->lines) { 01948 /* Add extra empty return */ 01949 snprintf(req->data + req->len, sizeof(req->data) - req->len, "\r\n"); 01950 req->len += strlen(req->data + req->len); 01951 } 01952 req->line[req->lines] = req->data + req->len; 01953 snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line); 01954 req->len += strlen(req->line[req->lines]); 01955 if (req->lines < MGCP_MAX_LINES) 01956 req->lines++; 01957 else { 01958 ast_log(LOG_WARNING, "Out of line space\n"); 01959 return -1; 01960 } 01961 return 0; 01962 }
static int add_sdp | ( | struct mgcp_request * | resp, | |
struct mgcp_subchannel * | sub, | |||
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2043 of file chan_mgcp.c.
References AST_FORMAT_MAX_AUDIO, ast_inet_ntoa(), ast_log(), ast_rtp_get_peer(), ast_rtp_get_us(), ast_rtp_lookup_code(), ast_rtp_lookup_mime_subtype(), ast_verbose(), mgcp_endpoint::capability, len, LOG_WARNING, mgcpdebug, mgcp_gateway::ourip, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, s, mgcp_endpoint::sub, t, and mgcp_subchannel::tmpdest.
Referenced by transmit_invite(), transmit_reinvite_with_sdp(), and transmit_response_with_sdp().
02044 { 02045 int len; 02046 int codec; 02047 char costr[80]; 02048 struct sockaddr_in sin; 02049 char v[256]; 02050 char s[256]; 02051 char o[256]; 02052 char c[256]; 02053 char t[256]; 02054 char m[256] = ""; 02055 char a[1024] = ""; 02056 int x; 02057 struct sockaddr_in dest; 02058 struct mgcp_endpoint *p = sub->parent; 02059 /* XXX We break with the "recommendation" and send our IP, in order that our 02060 peer doesn't have to ast_gethostbyname() us XXX */ 02061 len = 0; 02062 if (!sub->rtp) { 02063 ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n"); 02064 return -1; 02065 } 02066 ast_rtp_get_us(sub->rtp, &sin); 02067 if (rtp) { 02068 ast_rtp_get_peer(rtp, &dest); 02069 } else { 02070 if (sub->tmpdest.sin_addr.s_addr) { 02071 dest.sin_addr = sub->tmpdest.sin_addr; 02072 dest.sin_port = sub->tmpdest.sin_port; 02073 /* Reset temporary destination */ 02074 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 02075 } else { 02076 dest.sin_addr = p->parent->ourip; 02077 dest.sin_port = sin.sin_port; 02078 } 02079 } 02080 if (mgcpdebug) { 02081 ast_verbose("We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port)); 02082 } 02083 snprintf(v, sizeof(v), "v=0\r\n"); 02084 snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr)); 02085 snprintf(s, sizeof(s), "s=session\r\n"); 02086 snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr)); 02087 snprintf(t, sizeof(t), "t=0 0\r\n"); 02088 snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); 02089 for (x = 1; x <= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02090 if (p->capability & x) { 02091 if (mgcpdebug) { 02092 ast_verbose("Answering with capability %d\n", x); 02093 } 02094 codec = ast_rtp_lookup_code(sub->rtp, 1, x); 02095 if (codec > -1) { 02096 snprintf(costr, sizeof(costr), " %d", codec); 02097 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02098 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x, 0)); 02099 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02100 } 02101 } 02102 } 02103 for (x = 1; x <= AST_RTP_MAX; x <<= 1) { 02104 if (p->nonCodecCapability & x) { 02105 if (mgcpdebug) { 02106 ast_verbose("Answering with non-codec capability %d\n", x); 02107 } 02108 codec = ast_rtp_lookup_code(sub->rtp, 0, x); 02109 if (codec > -1) { 02110 snprintf(costr, sizeof(costr), " %d", codec); 02111 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02112 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(0, x, 0)); 02113 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02114 if (x == AST_RTP_DTMF) { 02115 /* Indicate we support DTMF... Not sure about 16, 02116 but MSN supports it so dang it, we will too... */ 02117 snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec); 02118 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02119 } 02120 } 02121 } 02122 } 02123 strncat(m, "\r\n", sizeof(m) - strlen(m) - 1); 02124 len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); 02125 snprintf(costr, sizeof(costr), "%d", len); 02126 add_line(resp, v); 02127 add_line(resp, o); 02128 add_line(resp, s); 02129 add_line(resp, c); 02130 add_line(resp, t); 02131 add_line(resp, m); 02132 add_line(resp, a); 02133 return 0; 02134 }
AST_MODULE_INFO | ( | ASTERISK_GPL_KEY | , | |
AST_MODFLAG_DEFAULT | , | |||
"Media Gateway Control Protocol (MGCP)" | , | |||
. | load = load_module , |
|||
. | unload = unload_module , |
|||
. | reload = reload | |||
) |
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 2912 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_indicate(), ast_log(), ast_queue_control(), AST_SOFTHANGUP_DEV, AST_STATE_RINGING, ast_verbose(), mgcp_subchannel::id, LOG_DEBUG, LOG_WARNING, mgcp_queue_hangup(), mgcp_gateway::name, mgcp_endpoint::name, mgcp_subchannel::next, option_verbose, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_endpoint::sub, unalloc_sub(), and VERBOSE_PREFIX_3.
Referenced by handle_onhook_message(), handle_request(), handle_soft_key_event_message(), local_attended_transfer(), and zt_handle_event().
02913 { 02914 /* ************************* 02915 * I hope this works. 02916 * Copied out of chan_zap 02917 * Cross your fingers 02918 * *************************/ 02919 02920 /* In order to transfer, we need at least one of the channels to 02921 actually be in a call bridge. We can't conference two applications 02922 together (but then, why would we want to?) */ 02923 if (ast_bridged_channel(p->sub->owner)) { 02924 /* The three-way person we're about to transfer to could still be in MOH, so 02925 stop if now if appropriate */ 02926 if (ast_bridged_channel(p->sub->next->owner)) 02927 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02928 if (p->sub->owner->_state == AST_STATE_RINGING) { 02929 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02930 } 02931 if (ast_channel_masquerade(p->sub->next->owner, ast_bridged_channel(p->sub->owner))) { 02932 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02933 ast_bridged_channel(p->sub->owner)->name, p->sub->next->owner->name); 02934 return -1; 02935 } 02936 /* Orphan the channel */ 02937 unalloc_sub(p->sub->next); 02938 } else if (ast_bridged_channel(p->sub->next->owner)) { 02939 if (p->sub->owner->_state == AST_STATE_RINGING) { 02940 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02941 } 02942 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02943 if (ast_channel_masquerade(p->sub->owner, ast_bridged_channel(p->sub->next->owner))) { 02944 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02945 ast_bridged_channel(p->sub->next->owner)->name, p->sub->owner->name); 02946 return -1; 02947 } 02948 /*swap_subs(p, SUB_THREEWAY, SUB_REAL);*/ 02949 if (option_verbose > 2) { 02950 ast_verbose(VERBOSE_PREFIX_3 "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 02951 } 02952 p->sub = p->sub->next; 02953 unalloc_sub(p->sub->next); 02954 /* Tell the caller not to hangup */ 02955 return 1; 02956 } else { 02957 ast_log(LOG_DEBUG, "Neither %s nor %s are in a bridge, nothing to transfer\n", 02958 p->sub->owner->name, p->sub->next->owner->name); 02959 p->sub->next->owner->_softhangup |= AST_SOFTHANGUP_DEV; 02960 if (p->sub->next->owner) { 02961 p->sub->next->alreadygone = 1; 02962 mgcp_queue_hangup(p->sub->next); 02963 } 02964 } 02965 return 0; 02966 }
static struct mgcp_gateway* build_gateway | ( | char * | cat, | |
struct ast_variable * | v | |||
) | [static] |
build_gateway: parse mgcp.conf and create gateway/endpoint structures
Definition at line 3609 of file chan_mgcp.c.
References __ourip, mgcp_endpoint::accountcode, accountcode, mgcp_gateway::addr, mgcp_endpoint::adsi, adsi, mgcp_endpoint::amaflags, amaflags, ast_append_ha(), ast_callerid_split(), ast_cdr_amaflags2int(), ast_get_group(), ast_get_ip(), ast_log(), ast_mutex_destroy(), ast_mutex_init(), ast_ouraddrfor(), ast_random(), AST_SCHED_DEL, ast_strlen_zero(), ast_true(), ast_verbose(), mgcp_endpoint::callgroup, mgcp_endpoint::callreturn, callreturn, mgcp_endpoint::callwaiting, callwaiting, mgcp_endpoint::cancallforward, cancallforward, mgcp_endpoint::canreinvite, CANREINVITE, canreinvite, capability, mgcp_endpoint::capability, mgcp_endpoint::cid_name, cid_name, mgcp_endpoint::cid_num, cid_num, mgcp_endpoint::context, context, cur_callergroup, cur_pickupgroup, mgcp_subchannel::cx_queue_lock, mgcp_subchannel::cxmode, mgcp_gateway::defaddr, DEFAULT_MGCP_GW_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_endpoint::dtmfmode, dtmfmode, mgcp_gateway::dynamic, mgcp_gateway::endpoints, mgcp_gateway::expire, free, gateways, mgcp_gateway::ha, mgcp_endpoint::hascallwaiting, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_endpoint::immediate, immediate, INADDR_NONE, mgcp_endpoint::language, language, ast_variable::lineno, mgcp_subchannel::lock, LOG_WARNING, mgcp_subchannel::magic, mgcp_endpoint::mailbox, mailbox, malloc, MAX_SUBS, 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, musicclass, mgcp_endpoint::name, ast_variable::name, mgcp_gateway::name, mgcp_subchannel::nat, nat, ast_variable::next, mgcp_subchannel::next, mgcp_endpoint::next, mgcp_gateway::next, mgcp_endpoint::onhooktime, mgcp_gateway::ourip, mgcp_subchannel::parent, mgcp_endpoint::parent, mgcp_endpoint::pickupgroup, mgcp_endpoint::rqnt_ident, mgcp_subchannel::rtp, mgcp_endpoint::singlepath, singlepath, mgcp_endpoint::slowsequence, slowsequence, mgcp_endpoint::sub, mgcp_endpoint::threewaycalling, threewaycalling, mgcp_endpoint::transfer, transfer, mgcp_subchannel::txident, mgcp_endpoint::type, TYPE_LINE, TYPE_TRUNK, ast_variable::value, VERBOSE_PREFIX_3, and mgcp_gateway::wcardep.
Referenced by reload_config().
03610 { 03611 struct mgcp_gateway *gw; 03612 struct mgcp_endpoint *e; 03613 struct mgcp_subchannel *sub; 03614 /*char txident[80];*/ 03615 int i=0, y=0; 03616 int gw_reload = 0; 03617 int ep_reload = 0; 03618 canreinvite = CANREINVITE; 03619 03620 /* locate existing gateway */ 03621 gw = gateways; 03622 while (gw) { 03623 if (!strcasecmp(cat, gw->name)) { 03624 /* gateway already exists */ 03625 gw->delme = 0; 03626 gw_reload = 1; 03627 break; 03628 } 03629 gw = gw->next; 03630 } 03631 03632 if (!gw) 03633 gw = malloc(sizeof(struct mgcp_gateway)); 03634 03635 if (gw) { 03636 if (!gw_reload) { 03637 memset(gw, 0, sizeof(struct mgcp_gateway)); 03638 gw->expire = -1; 03639 gw->retransid = -1; /* SC */ 03640 ast_mutex_init(&gw->msgs_lock); 03641 ast_copy_string(gw->name, cat, sizeof(gw->name)); 03642 /* check if the name is numeric ip */ 03643 if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE) 03644 gw->isnamedottedip = 1; 03645 } 03646 while(v) { 03647 if (!strcasecmp(v->name, "host")) { 03648 if (!strcasecmp(v->value, "dynamic")) { 03649 /* They'll register with us */ 03650 gw->dynamic = 1; 03651 memset(&gw->addr.sin_addr, 0, 4); 03652 if (gw->addr.sin_port) { 03653 /* If we've already got a port, make it the default rather than absolute */ 03654 gw->defaddr.sin_port = gw->addr.sin_port; 03655 gw->addr.sin_port = 0; 03656 } 03657 } else { 03658 /* Non-dynamic. Make sure we become that way if we're not */ 03659 AST_SCHED_DEL(sched, gw->expire); 03660 gw->dynamic = 0; 03661 if (ast_get_ip(&gw->addr, v->value)) { 03662 if (!gw_reload) { 03663 ast_mutex_destroy(&gw->msgs_lock); 03664 free(gw); 03665 } 03666 return NULL; 03667 } 03668 } 03669 } else if (!strcasecmp(v->name, "defaultip")) { 03670 if (ast_get_ip(&gw->defaddr, v->value)) { 03671 if (!gw_reload) { 03672 ast_mutex_destroy(&gw->msgs_lock); 03673 free(gw); 03674 } 03675 return NULL; 03676 } 03677 } else if (!strcasecmp(v->name, "permit") || 03678 !strcasecmp(v->name, "deny")) { 03679 gw->ha = ast_append_ha(v->name, v->value, gw->ha); 03680 } else if (!strcasecmp(v->name, "port")) { 03681 gw->addr.sin_port = htons(atoi(v->value)); 03682 } else if (!strcasecmp(v->name, "context")) { 03683 ast_copy_string(context, v->value, sizeof(context)); 03684 } else if (!strcasecmp(v->name, "dtmfmode")) { 03685 if (!strcasecmp(v->value, "inband")) 03686 dtmfmode = MGCP_DTMF_INBAND; 03687 else if (!strcasecmp(v->value, "rfc2833")) 03688 dtmfmode = MGCP_DTMF_RFC2833; 03689 else if (!strcasecmp(v->value, "hybrid")) 03690 dtmfmode = MGCP_DTMF_HYBRID; 03691 else if (!strcasecmp(v->value, "none")) 03692 dtmfmode = 0; 03693 else 03694 ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno); 03695 } else if (!strcasecmp(v->name, "nat")) { 03696 nat = ast_true(v->value); 03697 } else if (!strcasecmp(v->name, "callerid")) { 03698 if (!strcasecmp(v->value, "asreceived")) { 03699 cid_num[0] = '\0'; 03700 cid_name[0] = '\0'; 03701 } else { 03702 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); 03703 } 03704 } else if (!strcasecmp(v->name, "language")) { 03705 ast_copy_string(language, v->value, sizeof(language)); 03706 } else if (!strcasecmp(v->name, "accountcode")) { 03707 ast_copy_string(accountcode, v->value, sizeof(accountcode)); 03708 } else if (!strcasecmp(v->name, "amaflags")) { 03709 y = ast_cdr_amaflags2int(v->value); 03710 if (y < 0) { 03711 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); 03712 } else { 03713 amaflags = y; 03714 } 03715 } else if (!strcasecmp(v->name, "musiconhold")) { 03716 ast_copy_string(musicclass, v->value, sizeof(musicclass)); 03717 } else if (!strcasecmp(v->name, "callgroup")) { 03718 cur_callergroup = ast_get_group(v->value); 03719 } else if (!strcasecmp(v->name, "pickupgroup")) { 03720 cur_pickupgroup = ast_get_group(v->value); 03721 } else if (!strcasecmp(v->name, "immediate")) { 03722 immediate = ast_true(v->value); 03723 } else if (!strcasecmp(v->name, "cancallforward")) { 03724 cancallforward = ast_true(v->value); 03725 } else if (!strcasecmp(v->name, "singlepath")) { 03726 singlepath = ast_true(v->value); 03727 } else if (!strcasecmp(v->name, "canreinvite")) { 03728 canreinvite = ast_true(v->value); 03729 } else if (!strcasecmp(v->name, "mailbox")) { 03730 ast_copy_string(mailbox, v->value, sizeof(mailbox)); 03731 } else if (!strcasecmp(v->name, "adsi")) { 03732 adsi = ast_true(v->value); 03733 } else if (!strcasecmp(v->name, "callreturn")) { 03734 callreturn = ast_true(v->value); 03735 } else if (!strcasecmp(v->name, "callwaiting")) { 03736 callwaiting = ast_true(v->value); 03737 } else if (!strcasecmp(v->name, "slowsequence")) { 03738 slowsequence = ast_true(v->value); 03739 } else if (!strcasecmp(v->name, "transfer")) { 03740 transfer = ast_true(v->value); 03741 } else if (!strcasecmp(v->name, "threewaycalling")) { 03742 threewaycalling = ast_true(v->value); 03743 } else if (!strcasecmp(v->name, "wcardep")) { 03744 /* locate existing endpoint */ 03745 e = gw->endpoints; 03746 while (e) { 03747 if (!strcasecmp(v->value, e->name)) { 03748 /* endpoint already exists */ 03749 e->delme = 0; 03750 ep_reload = 1; 03751 break; 03752 } 03753 e = e->next; 03754 } 03755 03756 if (!e) { 03757 /* Allocate wildcard endpoint */ 03758 e = malloc(sizeof(struct mgcp_endpoint)); 03759 ep_reload = 0; 03760 } 03761 03762 if (e) { 03763 if (!ep_reload) { 03764 memset(e, 0, sizeof(struct mgcp_endpoint)); 03765 ast_mutex_init(&e->lock); 03766 ast_mutex_init(&e->rqnt_queue_lock); 03767 ast_mutex_init(&e->cmd_queue_lock); 03768 ast_copy_string(e->name, v->value, sizeof(e->name)); 03769 e->needaudit = 1; 03770 } 03771 ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep)); 03772 /* XXX Should we really check for uniqueness?? XXX */ 03773 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03774 ast_copy_string(e->context, context, sizeof(e->context)); 03775 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03776 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03777 ast_copy_string(e->language, language, sizeof(e->language)); 03778 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03779 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03780 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03781 e->msgstate = -1; 03782 e->amaflags = amaflags; 03783 e->capability = capability; 03784 e->parent = gw; 03785 e->dtmfmode = dtmfmode; 03786 if (!ep_reload && e->sub && e->sub->rtp) 03787 e->dtmfmode |= MGCP_DTMF_INBAND; 03788 e->adsi = adsi; 03789 e->type = TYPE_LINE; 03790 e->immediate = immediate; 03791 e->callgroup=cur_callergroup; 03792 e->pickupgroup=cur_pickupgroup; 03793 e->callreturn = callreturn; 03794 e->cancallforward = cancallforward; 03795 e->singlepath = singlepath; 03796 e->canreinvite = canreinvite; 03797 e->callwaiting = callwaiting; 03798 e->hascallwaiting = callwaiting; 03799 e->slowsequence = slowsequence; 03800 e->transfer = transfer; 03801 e->threewaycalling = threewaycalling; 03802 e->onhooktime = time(NULL); 03803 /* ASSUME we're onhook */ 03804 e->hookstate = MGCP_ONHOOK; 03805 if (!ep_reload) { 03806 /*snprintf(txident, sizeof(txident), "%08lx", ast_random());*/ 03807 for (i = 0; i < MAX_SUBS; i++) { 03808 sub = malloc(sizeof(struct mgcp_subchannel)); 03809 if (sub) { 03810 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03811 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03812 ast_mutex_init(&sub->lock); 03813 ast_mutex_init(&sub->cx_queue_lock); 03814 sub->parent = e; 03815 sub->id = i; 03816 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03817 /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/ 03818 sub->cxmode = MGCP_CX_INACTIVE; 03819 sub->nat = nat; 03820 sub->next = e->sub; 03821 e->sub = sub; 03822 } else { 03823 /* XXX Should find a way to clean up our memory */ 03824 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03825 return NULL; 03826 } 03827 } 03828 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03829 sub = e->sub; 03830 /* find the end of the list */ 03831 while(sub->next){ 03832 sub = sub->next; 03833 } 03834 /* set the last sub->next to the first sub */ 03835 sub->next = e->sub; 03836 03837 e->next = gw->endpoints; 03838 gw->endpoints = e; 03839 } 03840 } 03841 } else if (!strcasecmp(v->name, "trunk") || 03842 !strcasecmp(v->name, "line")) { 03843 03844 /* locate existing endpoint */ 03845 e = gw->endpoints; 03846 while (e) { 03847 if (!strcasecmp(v->value, e->name)) { 03848 /* endpoint already exists */ 03849 e->delme = 0; 03850 ep_reload = 1; 03851 break; 03852 } 03853 e = e->next; 03854 } 03855 03856 if (!e) { 03857 e = malloc(sizeof(struct mgcp_endpoint)); 03858 ep_reload = 0; 03859 } 03860 03861 if (e) { 03862 if (!ep_reload) { 03863 memset(e, 0, sizeof(struct mgcp_endpoint)); 03864 ast_mutex_init(&e->lock); 03865 ast_mutex_init(&e->rqnt_queue_lock); 03866 ast_mutex_init(&e->cmd_queue_lock); 03867 ast_copy_string(e->name, v->value, sizeof(e->name)); 03868 e->needaudit = 1; 03869 } 03870 /* XXX Should we really check for uniqueness?? XXX */ 03871 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03872 ast_copy_string(e->context, context, sizeof(e->context)); 03873 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03874 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03875 ast_copy_string(e->language, language, sizeof(e->language)); 03876 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03877 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03878 if (!ast_strlen_zero(mailbox)) { 03879 ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name); 03880 } 03881 if (!ep_reload) { 03882 /* XXX potential issue due to reload */ 03883 e->msgstate = -1; 03884 e->parent = gw; 03885 } 03886 e->amaflags = amaflags; 03887 e->capability = capability; 03888 e->dtmfmode = dtmfmode; 03889 e->adsi = adsi; 03890 if (!strcasecmp(v->name, "trunk")) 03891 e->type = TYPE_TRUNK; 03892 else 03893 e->type = TYPE_LINE; 03894 03895 e->immediate = immediate; 03896 e->callgroup=cur_callergroup; 03897 e->pickupgroup=cur_pickupgroup; 03898 e->callreturn = callreturn; 03899 e->cancallforward = cancallforward; 03900 e->canreinvite = canreinvite; 03901 e->singlepath = singlepath; 03902 e->callwaiting = callwaiting; 03903 e->hascallwaiting = callwaiting; 03904 e->slowsequence = slowsequence; 03905 e->transfer = transfer; 03906 e->threewaycalling = threewaycalling; 03907 if (!ep_reload) { 03908 e->onhooktime = time(NULL); 03909 /* ASSUME we're onhook */ 03910 e->hookstate = MGCP_ONHOOK; 03911 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03912 } 03913 03914 for (i = 0, sub = NULL; i < MAX_SUBS; i++) { 03915 if (!ep_reload) { 03916 sub = malloc(sizeof(struct mgcp_subchannel)); 03917 } else { 03918 if (!sub) 03919 sub = e->sub; 03920 else 03921 sub = sub->next; 03922 } 03923 03924 if (sub) { 03925 if (!ep_reload) { 03926 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03927 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03928 ast_mutex_init(&sub->lock); 03929 ast_mutex_init(&sub->cx_queue_lock); 03930 ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic)); 03931 sub->parent = e; 03932 sub->id = i; 03933 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03934 sub->cxmode = MGCP_CX_INACTIVE; 03935 sub->next = e->sub; 03936 e->sub = sub; 03937 } 03938 sub->nat = nat; 03939 } else { 03940 /* XXX Should find a way to clean up our memory */ 03941 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03942 return NULL; 03943 } 03944 } 03945 if (!ep_reload) { 03946 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03947 sub = e->sub; 03948 /* find the end of the list */ 03949 while (sub->next) { 03950 sub = sub->next; 03951 } 03952 /* set the last sub->next to the first sub */ 03953 sub->next = e->sub; 03954 03955 e->next = gw->endpoints; 03956 gw->endpoints = e; 03957 } 03958 } 03959 } else 03960 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno); 03961 v = v->next; 03962 } 03963 } 03964 if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) { 03965 ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name); 03966 if (!gw_reload) { 03967 ast_mutex_destroy(&gw->msgs_lock); 03968 free(gw); 03969 } 03970 return NULL; 03971 } 03972 gw->defaddr.sin_family = AF_INET; 03973 gw->addr.sin_family = AF_INET; 03974 if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) 03975 gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03976 if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) 03977 gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03978 if (gw->addr.sin_addr.s_addr) 03979 if (ast_ouraddrfor(&gw->addr.sin_addr, &gw->ourip)) 03980 memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip)); 03981 03982 return (gw_reload ? NULL : gw); 03983 }
static char* control2str | ( | int | ind | ) | [static] |
Definition at line 1382 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(), and skinny_indicate().
01382 { 01383 switch (ind) { 01384 case AST_CONTROL_HANGUP: 01385 return "Other end has hungup"; 01386 case AST_CONTROL_RING: 01387 return "Local ring"; 01388 case AST_CONTROL_RINGING: 01389 return "Remote end is ringing"; 01390 case AST_CONTROL_ANSWER: 01391 return "Remote end has answered"; 01392 case AST_CONTROL_BUSY: 01393 return "Remote end is busy"; 01394 case AST_CONTROL_TAKEOFFHOOK: 01395 return "Make it go off hook"; 01396 case AST_CONTROL_OFFHOOK: 01397 return "Line is off hook"; 01398 case AST_CONTROL_CONGESTION: 01399 return "Congestion (circuits busy)"; 01400 case AST_CONTROL_FLASH: 01401 return "Flash hook"; 01402 case AST_CONTROL_WINK: 01403 return "Wink"; 01404 case AST_CONTROL_OPTION: 01405 return "Set a low-level option"; 01406 case AST_CONTROL_RADIO_KEY: 01407 return "Key Radio"; 01408 case AST_CONTROL_RADIO_UNKEY: 01409 return "Un-Key Radio"; 01410 } 01411 return "UNKNOWN"; 01412 }
static void destroy_endpoint | ( | struct mgcp_endpoint * | e | ) | [static] |
Definition at line 4018 of file chan_mgcp.c.
References ast_mutex_lock(), ast_rtp_destroy(), ast_strlen_zero(), mgcp_subchannel::cxident, mgcp_subchannel::lock, MAX_SUBS, mgcp_subchannel::next, mgcp_subchannel::rtp, s, mgcp_endpoint::sub, and transmit_connection_del().
Referenced by prune_gateways().
04019 { 04020 struct mgcp_subchannel *sub = e->sub->next, *s; 04021 int i; 04022 04023 for (i = 0; i < MAX_SUBS; i++) { 04024 ast_mutex_lock(&sub->lock); 04025 if (!ast_strlen_zero(sub->cxident)) { 04026 transmit_connection_del(sub); 04027 } 04028 if (sub->rtp) { 04029 ast_rtp_destroy(sub->rtp); 04030 sub->rtp = NULL; 04031 } 04032 memset(sub->magic, 0, sizeof(sub->magic)); 04033 mgcp_queue_hangup(sub); 04034 dump_cmd_queues(NULL, sub); 04035 ast_mutex_unlock(&sub->lock); 04036 sub = sub->next; 04037 } 04038 04039 if (e->dsp) { 04040 ast_dsp_free(e->dsp); 04041 } 04042 04043 dump_queue(e->parent, e); 04044 dump_cmd_queues(e, NULL); 04045 04046 sub = e->sub; 04047 for (i = 0; (i < MAX_SUBS) && sub; i++) { 04048 s = sub; 04049 sub = sub->next; 04050 ast_mutex_destroy(&s->lock); 04051 ast_mutex_destroy(&s->cx_queue_lock); 04052 free(s); 04053 } 04054 ast_mutex_destroy(&e->lock); 04055 ast_mutex_destroy(&e->rqnt_queue_lock); 04056 ast_mutex_destroy(&e->cmd_queue_lock); 04057 free(e); 04058 }
static void destroy_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 4060 of file chan_mgcp.c.
References ast_free_ha(), dump_queue(), free, and mgcp_gateway::ha.
04061 { 04062 if (g->ha) 04063 ast_free_ha(g->ha); 04064 04065 dump_queue(g, NULL); 04066 04067 free (g); 04068 }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 3438 of file chan_mgcp.c.
References ast_io_add(), AST_IO_IN, ast_io_wait(), ast_mutex_lock(), ast_mutex_unlock(), ast_sched_runq(), ast_sched_wait(), ast_verbose(), mgcp_gateway::endpoints, gateways, has_voicemail(), io, mgcp_do_reload(), MGCP_ONHOOK, mgcp_reloading, mgcpsock, mgcpsock_read(), option_verbose, transmit_notify_request(), TYPE_LINE, and VERBOSE_PREFIX_1.
03439 { 03440 int res; 03441 int reloading; 03442 /*struct mgcp_gateway *g;*/ 03443 /*struct mgcp_endpoint *e;*/ 03444 /*time_t thispass = 0, lastpass = 0;*/ 03445 03446 /* Add an I/O event to our UDP socket */ 03447 if (mgcpsock > -1) 03448 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03449 03450 /* This thread monitors all the frame relay interfaces which are not yet in use 03451 (and thus do not have a separate thread) indefinitely */ 03452 /* From here on out, we die whenever asked */ 03453 for(;;) { 03454 /* Check for a reload request */ 03455 ast_mutex_lock(&mgcp_reload_lock); 03456 reloading = mgcp_reloading; 03457 mgcp_reloading = 0; 03458 ast_mutex_unlock(&mgcp_reload_lock); 03459 if (reloading) { 03460 if (option_verbose > 0) 03461 ast_verbose(VERBOSE_PREFIX_1 "Reloading MGCP\n"); 03462 mgcp_do_reload(); 03463 /* Add an I/O event to our UDP socket */ 03464 if (mgcpsock > -1) 03465 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03466 } 03467 03468 /* Check for interfaces needing to be killed */ 03469 /* Don't let anybody kill us right away. Nobody should lock the interface list 03470 and wait for the monitor list, but the other way around is okay. */ 03471 ast_mutex_lock(&monlock); 03472 /* Lock the network interface */ 03473 ast_mutex_lock(&netlock); 03474 03475 #if 0 03476 /* XXX THIS IS COMPLETELY HOSED */ 03477 /* The gateway goes into a state of panic */ 03478 /* If the vmwi indicator is sent while it is reseting interfaces */ 03479 lastpass = thispass; 03480 thispass = time(NULL); 03481 g = gateways; 03482 while(g) { 03483 if (thispass != lastpass) { 03484 e = g->endpoints; 03485 while(e) { 03486 if (e->type == TYPE_LINE) { 03487 res = has_voicemail(e); 03488 if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){ 03489 if (res) { 03490 transmit_notify_request(e, "L/vmwi(+)"); 03491 } else { 03492 transmit_notify_request(e, "L/vmwi(-)"); 03493 } 03494 e->msgstate = res; 03495 e->onhooktime = thispass; 03496 } 03497 } 03498 e = e->next; 03499 } 03500 } 03501 g = g->next; 03502 } 03503 #endif 03504 /* Okay, now that we know what to do, release the network lock */ 03505 ast_mutex_unlock(&netlock); 03506 /* And from now on, we're okay to be killed, so release the monitor lock as well */ 03507 ast_mutex_unlock(&monlock); 03508 pthread_testcancel(); 03509 /* Wait for sched or io */ 03510 res = ast_sched_wait(sched); 03511 /* copied from chan_sip.c */ 03512 if ((res < 0) || (res > 1000)) 03513 res = 1000; 03514 res = ast_io_wait(io, res); 03515 ast_mutex_lock(&monlock); 03516 if (res >= 0) 03517 ast_sched_runq(sched); 03518 ast_mutex_unlock(&monlock); 03519 } 03520 /* Never reached */ 03521 return NULL; 03522 }
static void dump_cmd_queues | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub | |||
) | [static] |
dump_cmd_queues: (SC:) cleanup pending commands
Definition at line 2389 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, free, mgcp_subchannel::next, mgcp_request::next, mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, mgcp_endpoint::sub, and t.
Referenced by handle_request(), handle_response(), and unalloc_sub().
02390 { 02391 struct mgcp_request *t, *q; 02392 02393 if (p) { 02394 ast_mutex_lock(&p->rqnt_queue_lock); 02395 for (q = p->rqnt_queue; q; t = q->next, free(q), q=t); 02396 p->rqnt_queue = NULL; 02397 ast_mutex_unlock(&p->rqnt_queue_lock); 02398 02399 ast_mutex_lock(&p->cmd_queue_lock); 02400 for (q = p->cmd_queue; q; t = q->next, free(q), q=t); 02401 p->cmd_queue = NULL; 02402 ast_mutex_unlock(&p->cmd_queue_lock); 02403 02404 ast_mutex_lock(&p->sub->cx_queue_lock); 02405 for (q = p->sub->cx_queue; q; t = q->next, free(q), q=t); 02406 p->sub->cx_queue = NULL; 02407 ast_mutex_unlock(&p->sub->cx_queue_lock); 02408 02409 ast_mutex_lock(&p->sub->next->cx_queue_lock); 02410 for (q = p->sub->next->cx_queue; q; t = q->next, free(q), q=t); 02411 p->sub->next->cx_queue = NULL; 02412 ast_mutex_unlock(&p->sub->next->cx_queue_lock); 02413 } else if (sub) { 02414 ast_mutex_lock(&sub->cx_queue_lock); 02415 for (q = sub->cx_queue; q; t = q->next, free(q), q=t); 02416 sub->cx_queue = NULL; 02417 ast_mutex_unlock(&sub->cx_queue_lock); 02418 } 02419 }
static void dump_queue | ( | struct mgcp_gateway * | gw, | |
struct mgcp_endpoint * | p | |||
) | [static] |
Definition at line 531 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), free, LOG_NOTICE, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, and mgcp_message::next.
Referenced by destroy_gateway(), and handle_request().
00532 { 00533 struct mgcp_message *cur, *q = NULL, *w, *prev; 00534 00535 ast_mutex_lock(&gw->msgs_lock); 00536 prev = NULL, cur = gw->msgs; 00537 while (cur) { 00538 if (!p || cur->owner_ep == p) { 00539 if (prev) 00540 prev->next = cur->next; 00541 else 00542 gw->msgs = cur->next; 00543 00544 ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n", 00545 gw->name, cur->seqno); 00546 00547 w = cur; 00548 cur = cur->next; 00549 if (q) { 00550 w->next = q; 00551 } else { 00552 w->next = NULL; 00553 } 00554 q = w; 00555 } else { 00556 prev = cur, cur=cur->next; 00557 } 00558 } 00559 ast_mutex_unlock(&gw->msgs_lock); 00560 00561 while (q) { 00562 cur = q; 00563 q = q->next; 00564 free(cur); 00565 } 00566 }
static int find_and_retrans | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 3317 of file chan_mgcp.c.
References answer, 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().
03318 { 03319 int seqno=0; 03320 time_t now; 03321 struct mgcp_response *prev = NULL, *cur, *next, *answer=NULL; 03322 time(&now); 03323 if (sscanf(req->identifier, "%d", &seqno) != 1) 03324 seqno = 0; 03325 cur = sub->parent->parent->responses; 03326 while(cur) { 03327 next = cur->next; 03328 if (now - cur->whensent > RESPONSE_TIMEOUT) { 03329 /* Delete this entry */ 03330 if (prev) 03331 prev->next = next; 03332 else 03333 sub->parent->parent->responses = next; 03334 free(cur); 03335 } else { 03336 if (seqno == cur->seqno) 03337 answer = cur; 03338 prev = cur; 03339 } 03340 cur = next; 03341 } 03342 if (answer) { 03343 resend_response(sub, answer); 03344 return 1; 03345 } 03346 return 0; 03347 }
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] |
find_command: (SC:) remove command transaction from queue
Definition at line 2423 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_inet_ntoa(), ast_mutex_lock(), ast_verbose(), mgcp_postrequest(), mgcp_request::next, and mgcp_endpoint::parent.
Referenced by agi_handle_command(), handle_response(), and handle_showagi().
02425 { 02426 struct mgcp_request *prev, *req; 02427 02428 ast_mutex_lock(l); 02429 for (prev = NULL, req = *queue; req; prev = req, req = req->next) { 02430 if (req->trid == ident) { 02431 /* remove from queue */ 02432 if (!prev) 02433 *queue = req->next; 02434 else 02435 prev->next = req->next; 02436 02437 /* send next pending command */ 02438 if (*queue) { 02439 if (mgcpdebug) { 02440 ast_verbose("Posting Queued Request:\n%s to %s:%d\n", (*queue)->data, 02441 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 02442 } 02443 02444 mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid); 02445 } 02446 break; 02447 } 02448 } 02449 ast_mutex_unlock(l); 02450 return req; 02451 }
static struct mgcp_subchannel* find_subchannel_and_lock | ( | char * | name, | |
int | msgid, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 1616 of file chan_mgcp.c.
References __ourip, mgcp_gateway::addr, ast_inet_ntoa(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_ouraddrfor(), ast_verbose(), mgcp_gateway::defaddr, mgcp_gateway::dynamic, mgcp_gateway::endpoints, gateways, mgcp_subchannel::id, mgcp_subchannel::lock, LOG_DEBUG, LOG_NOTICE, mgcp_endpoint::name, mgcp_gateway::name, mgcp_endpoint::next, mgcp_subchannel::next, mgcp_gateway::next, option_debug, option_verbose, mgcp_gateway::ourip, mgcp_endpoint::sub, and VERBOSE_PREFIX_3.
Referenced by mgcp_request(), and mgcpsock_read().
01617 { 01618 struct mgcp_endpoint *p = NULL; 01619 struct mgcp_subchannel *sub = NULL; 01620 struct mgcp_gateway *g; 01621 char tmp[256] = ""; 01622 char *at = NULL, *c; 01623 int found = 0; 01624 if (name) { 01625 ast_copy_string(tmp, name, sizeof(tmp)); 01626 at = strchr(tmp, '@'); 01627 if (!at) { 01628 ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name); 01629 return NULL; 01630 } 01631 *at++ = '\0'; 01632 } 01633 ast_mutex_lock(&gatelock); 01634 if (at && (at[0] == '[')) { 01635 at++; 01636 c = strrchr(at, ']'); 01637 if (c) 01638 *c = '\0'; 01639 } 01640 g = gateways; 01641 while(g) { 01642 if ((!name || !strcasecmp(g->name, at)) && 01643 (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) { 01644 /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */ 01645 if (sin && g->dynamic && name) { 01646 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01647 (g->addr.sin_port != sin->sin_port)) { 01648 memcpy(&g->addr, sin, sizeof(g->addr)); 01649 if (ast_ouraddrfor(&g->addr.sin_addr, &g->ourip)) 01650 memcpy(&g->ourip, &__ourip, sizeof(g->ourip)); 01651 if (option_verbose > 2) 01652 ast_verbose(VERBOSE_PREFIX_3 "Registered MGCP gateway '%s' at %s port %d\n", g->name, ast_inet_ntoa(g->addr.sin_addr), ntohs(g->addr.sin_port)); 01653 } 01654 } 01655 /* not dynamic, check if the name matches */ 01656 else if (name) { 01657 if (strcasecmp(g->name, at)) { 01658 g = g->next; 01659 continue; 01660 } 01661 } 01662 /* not dynamic, no name, check if the addr matches */ 01663 else if (!name && sin) { 01664 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01665 (g->addr.sin_port != sin->sin_port)) { 01666 g = g->next; 01667 continue; 01668 } 01669 } else { 01670 g = g->next; 01671 continue; 01672 } 01673 /* SC */ 01674 p = g->endpoints; 01675 while(p) { 01676 if (option_debug) 01677 ast_log(LOG_DEBUG, "Searching on %s@%s for subchannel\n", 01678 p->name, g->name); 01679 if (msgid) { 01680 #if 0 /* new transport mech */ 01681 sub = p->sub; 01682 do { 01683 if (option_debug) 01684 ast_log(LOG_DEBUG, "Searching on %s@%s-%d for subchannel with lastout: %d\n", 01685 p->name, g->name, sub->id, msgid); 01686 if (sub->lastout == msgid) { 01687 if (option_debug) 01688 ast_log(LOG_DEBUG, "Found subchannel sub%d to handle request %d sub->lastout: %d\n", 01689 sub->id, msgid, sub->lastout); 01690 found = 1; 01691 break; 01692 } 01693 sub = sub->next; 01694 } while (sub != p->sub); 01695 if (found) { 01696 break; 01697 } 01698 #endif 01699 /* SC */ 01700 sub = p->sub; 01701 found = 1; 01702 /* SC */ 01703 break; 01704 } else if (name && !strcasecmp(p->name, tmp)) { 01705 ast_log(LOG_DEBUG, "Coundn't determine subchannel, assuming current master %s@%s-%d\n", 01706 p->name, g->name, p->sub->id); 01707 sub = p->sub; 01708 found = 1; 01709 break; 01710 } 01711 p = p->next; 01712 } 01713 if (sub && found) { 01714 ast_mutex_lock(&sub->lock); 01715 break; 01716 } 01717 } 01718 g = g->next; 01719 } 01720 ast_mutex_unlock(&gatelock); 01721 if (!sub) { 01722 if (name) { 01723 if (g) 01724 ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at); 01725 else 01726 ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp); 01727 } 01728 } 01729 return sub; 01730 }
static char* get_csv | ( | char * | c, | |
int * | len, | |||
char ** | next | |||
) | [static] |
get_csv: (SC:) get comma separated value
Definition at line 1595 of file chan_mgcp.c.
References s.
Referenced by handle_response().
01596 { 01597 char *s; 01598 01599 *next = NULL, *len = 0; 01600 if (!c) return NULL; 01601 01602 while (*c && (*c < 33 || *c == ',')) 01603 c++; 01604 01605 s = c; 01606 while (*c && (*c >= 33 && *c != ',')) 01607 c++, (*len)++; 01608 *next = c; 01609 01610 if (*len == 0) 01611 s = NULL, *next = NULL; 01612 01613 return s; 01614 }
static char* get_header | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1588 of file chan_mgcp.c.
References __get_header().
Referenced by __transmit_response(), build_route(), check_auth(), check_user_full(), check_via(), copy_header(), extract_uri(), find_call(), find_sdp(), get_also_info(), get_destination(), get_rdnis(), get_refer_info(), gettag(), handle_request(), handle_request_bye(), handle_request_info(), handle_request_invite(), handle_request_notify(), handle_request_register(), handle_request_subscribe(), handle_response(), handle_response_invite(), handle_response_refer(), handle_response_register(), parse_moved_contact(), parse_ok_contact(), parse_register_contact(), receive_message(), register_verify(), reply_digest(), reqprep(), respprep(), send_request(), send_response(), sip_sipredirect(), sipsock_read(), transmit_refer(), transmit_response_with_auth(), transmit_response_with_sdp(), transmit_response_with_t38_sdp(), and transmit_state_notify().
01589 { 01590 int start = 0; 01591 return __get_header(req, name, &start); 01592 }
static char* get_sdp | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1540 of file chan_mgcp.c.
References get_sdp_by_line(), len, mgcp_request::line, and mgcp_request::lines.
Referenced by process_sdp().
01541 { 01542 int x; 01543 int len = strlen(name); 01544 char *r; 01545 01546 for (x=0; x<req->lines; x++) { 01547 r = get_sdp_by_line(req->line[x], name, len); 01548 if (r[0] != '\0') return r; 01549 } 01550 return ""; 01551 }
static char* get_sdp_by_line | ( | char * | line, | |
char * | name, | |||
int | nameLen | |||
) | [static] |
Definition at line 1530 of file chan_mgcp.c.
Referenced by get_sdp(), and get_sdp_iterate().
01531 { 01532 if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') { 01533 char* r = line + nameLen + 1; 01534 while (*r && (*r < 33)) ++r; 01535 return r; 01536 } 01537 return ""; 01538 }
static char* get_sdp_iterate | ( | int * | iterator, | |
struct mgcp_request * | req, | |||
char * | name | |||
) | [static] |
Definition at line 1558 of file chan_mgcp.c.
References get_sdp_by_line(), len, and mgcp_request::line.
Referenced by get_sdp(), and process_sdp().
01559 { 01560 int len = strlen(name); 01561 char *r; 01562 while (*iterator < req->lines) { 01563 r = get_sdp_by_line(req->line[(*iterator)++], name, len); 01564 if (r[0] != '\0') return r; 01565 } 01566 return ""; 01567 }
static void handle_hd_hf | ( | struct mgcp_subchannel * | sub, | |
char * | ev | |||
) | [static] |
Definition at line 2968 of file chan_mgcp.c.
References ast_bridged_channel(), AST_CONTROL_ANSWER, AST_CONTROL_UNHOLD, ast_hangup(), ast_log(), ast_pthread_create, 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_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), mgcp_endpoint::sub, t, transmit_modify_request(), and transmit_notify_request().
Referenced by handle_request().
02969 { 02970 struct mgcp_endpoint *p = sub->parent; 02971 struct ast_channel *c; 02972 pthread_t t; 02973 pthread_attr_t attr; 02974 pthread_attr_init(&attr); 02975 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 02976 02977 /* Off hook / answer */ 02978 if (sub->outgoing) { 02979 /* Answered */ 02980 if (sub->owner) { 02981 if (ast_bridged_channel(sub->owner)) 02982 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 02983 sub->cxmode = MGCP_CX_SENDRECV; 02984 if (!sub->rtp) { 02985 start_rtp(sub); 02986 } else { 02987 transmit_modify_request(sub); 02988 } 02989 /*transmit_notify_request(sub, "aw");*/ 02990 transmit_notify_request(sub, ""); 02991 mgcp_queue_control(sub, AST_CONTROL_ANSWER); 02992 } 02993 } else { 02994 /* Start switch */ 02995 /*sub->cxmode = MGCP_CX_SENDRECV;*/ 02996 if (!sub->owner) { 02997 if (!sub->rtp) { 02998 start_rtp(sub); 02999 } else { 03000 transmit_modify_request(sub); 03001 } 03002 if (p->immediate) { 03003 /* The channel is immediately up. Start right away */ 03004 #ifdef DLINK_BUGGY_FIRMWARE 03005 transmit_notify_request(sub, "rt"); 03006 #else 03007 transmit_notify_request(sub, "G/rt"); 03008 #endif 03009 c = mgcp_new(sub, AST_STATE_RING); 03010 if (!c) { 03011 ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name); 03012 transmit_notify_request(sub, "G/cg"); 03013 ast_hangup(c); 03014 } 03015 } else { 03016 if (has_voicemail(p)) { 03017 transmit_notify_request(sub, "L/sl"); 03018 } else { 03019 transmit_notify_request(sub, "L/dl"); 03020 } 03021 c = mgcp_new(sub, AST_STATE_DOWN); 03022 if (c) { 03023 if (ast_pthread_create(&t, &attr, mgcp_ss, c)) { 03024 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno)); 03025 ast_hangup(c); 03026 } 03027 } else { 03028 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name); 03029 } 03030 } 03031 } else { 03032 if (p->hookstate == MGCP_OFFHOOK) { 03033 ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03034 } else { 03035 ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name); 03036 ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n"); 03037 } 03038 if (ast_bridged_channel(sub->owner)) 03039 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03040 sub->cxmode = MGCP_CX_SENDRECV; 03041 if (!sub->rtp) { 03042 start_rtp(sub); 03043 } else { 03044 transmit_modify_request(sub); 03045 } 03046 /*transmit_notify_request(sub, "aw");*/ 03047 transmit_notify_request(sub, ""); 03048 /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/ 03049 } 03050 } 03051 pthread_attr_destroy(&attr); 03052 }
static int handle_request | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 3054 of file chan_mgcp.c.
References ast_channel::_state, mgcp_subchannel::alreadygone, ast_bridged_channel(), AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, AST_FRAME_DTMF, ast_inet_ntoa(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_queue_control(), AST_STATE_DOWN, AST_STATE_UP, ast_verbose(), attempt_transfer(), mgcp_endpoint::callwaiting, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::dtmf_buf, dump_cmd_queues(), dump_queue(), mgcp_gateway::endpoints, f, get_header(), handle_hd_hf(), has_voicemail(), mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_subchannel::lock, LOG_DEBUG, 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_subchannel::next, mgcp_endpoint::next, option_verbose, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, s, mgcp_endpoint::sub, mgcp_endpoint::threewaycalling, mgcp_endpoint::transfer, transmit_audit_endpoint(), transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), transmit_response(), mgcp_request::verb, VERBOSE_PREFIX_3, and mgcp_gateway::wcardep.
Referenced by mgcpsock_read(), and sipsock_read().
03055 { 03056 char *ev, *s; 03057 struct ast_frame f = { 0, }; 03058 struct mgcp_endpoint *p = sub->parent; 03059 struct mgcp_gateway *g = NULL; 03060 int res; 03061 03062 if (mgcpdebug) { 03063 ast_verbose("Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name); 03064 } 03065 /* Clear out potential response */ 03066 if (!strcasecmp(req->verb, "RSIP")) { 03067 /* Test if this RSIP request is just a keepalive */ 03068 if(!strcasecmp( get_header(req, "RM"), "X-keepalive")) { 03069 if (option_verbose > 2) 03070 ast_verbose(VERBOSE_PREFIX_3 "Received keepalive request from %s@%s\n", p->name, p->parent->name); 03071 transmit_response(sub, "200", req, "OK"); 03072 } else { 03073 dump_queue(p->parent, p); 03074 dump_cmd_queues(p, NULL); 03075 03076 if (option_verbose > 2 && (strcmp(p->name, p->parent->wcardep) != 0)) { 03077 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", p->name, p->parent->name); 03078 } 03079 /* For RSIP on wildcard we reset all endpoints */ 03080 if (!strcmp(p->name, p->parent->wcardep)) { 03081 /* Reset all endpoints */ 03082 struct mgcp_endpoint *tmp_ep; 03083 03084 g = p->parent; 03085 tmp_ep = g->endpoints; 03086 while (tmp_ep) { 03087 /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/ 03088 if (strcmp(tmp_ep->name, g->wcardep) != 0) { 03089 struct mgcp_subchannel *tmp_sub, *first_sub; 03090 if (option_verbose > 2) { 03091 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name); 03092 } 03093 03094 first_sub = tmp_ep->sub; 03095 tmp_sub = tmp_ep->sub; 03096 while (tmp_sub) { 03097 mgcp_queue_hangup(tmp_sub); 03098 tmp_sub = tmp_sub->next; 03099 if (tmp_sub == first_sub) 03100 break; 03101 } 03102 } 03103 tmp_ep = tmp_ep->next; 03104 } 03105 } else if (sub->owner) { 03106 mgcp_queue_hangup(sub); 03107 } 03108 transmit_response(sub, "200", req, "OK"); 03109 /* We dont send NTFY or AUEP to wildcard ep */ 03110 if (strcmp(p->name, p->parent->wcardep) != 0) { 03111 transmit_notify_request(sub, ""); 03112 /* Audit endpoint. 03113 Idea is to prevent lost lines due to race conditions 03114 */ 03115 transmit_audit_endpoint(p); 03116 } 03117 } 03118 } else if (!strcasecmp(req->verb, "NTFY")) { 03119 /* Acknowledge and be sure we keep looking for the same things */ 03120 transmit_response(sub, "200", req, "OK"); 03121 /* Notified of an event */ 03122 ev = get_header(req, "O"); 03123 s = strchr(ev, '/'); 03124 if (s) ev = s + 1; 03125 ast_log(LOG_DEBUG, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev); 03126 /* Keep looking for events unless this was a hangup */ 03127 if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) { 03128 transmit_notify_request(sub, p->curtone); 03129 } 03130 if (!strcasecmp(ev, "hd")) { 03131 p->hookstate = MGCP_OFFHOOK; 03132 sub->cxmode = MGCP_CX_SENDRECV; 03133 handle_hd_hf(sub, ev); 03134 } else if (!strcasecmp(ev, "hf")) { 03135 /* We can assume we are offhook if we received a hookflash */ 03136 /* First let's just do call wait and ignore threeway */ 03137 /* We're currently in charge */ 03138 if (p->hookstate != MGCP_OFFHOOK) { 03139 /* Cisco c7940 sends hf even if the phone is onhook */ 03140 /* Thanks to point on IRC for pointing this out */ 03141 return -1; 03142 } 03143 /* do not let * conference two down channels */ 03144 if (sub->owner && sub->owner->_state == AST_STATE_DOWN && !sub->next->owner) 03145 return -1; 03146 03147 if (p->callwaiting || p->transfer || p->threewaycalling) { 03148 if (option_verbose > 2) { 03149 ast_verbose(VERBOSE_PREFIX_3 "Swapping %d for %d on %s@%s\n", p->sub->id, p->sub->next->id, p->name, p->parent->name); 03150 } 03151 p->sub = p->sub->next; 03152 03153 /* transfer control to our next subchannel */ 03154 if (!sub->next->owner) { 03155 /* plave the first call on hold and start up a new call */ 03156 sub->cxmode = MGCP_CX_MUTE; 03157 if (option_verbose > 2) { 03158 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03159 } 03160 transmit_modify_request(sub); 03161 if (sub->owner && ast_bridged_channel(sub->owner)) 03162 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03163 sub->next->cxmode = MGCP_CX_RECVONLY; 03164 handle_hd_hf(sub->next, ev); 03165 } else if (sub->owner && sub->next->owner) { 03166 /* We've got two active calls lets decide whether or not to conference or just flip flop */ 03167 if ((!sub->outgoing) && (!sub->next->outgoing)) { 03168 /* We made both calls lets conferenct */ 03169 if (option_verbose > 2) { 03170 ast_verbose(VERBOSE_PREFIX_3 "MGCP Conferencing %d and %d on %s@%s\n", 03171 sub->id, sub->next->id, p->name, p->parent->name); 03172 } 03173 sub->cxmode = MGCP_CX_CONF; 03174 sub->next->cxmode = MGCP_CX_CONF; 03175 if (ast_bridged_channel(sub->next->owner)) 03176 ast_queue_control(sub->next->owner, AST_CONTROL_UNHOLD); 03177 transmit_modify_request(sub); 03178 transmit_modify_request(sub->next); 03179 } else { 03180 /* Let's flipflop between calls */ 03181 /* XXX Need to check for state up ??? */ 03182 /* XXX Need a way to indicate the current call, or maybe the call that's waiting */ 03183 if (option_verbose > 2) { 03184 ast_verbose(VERBOSE_PREFIX_3 "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n", 03185 sub->id, sub->next->id, p->name, p->parent->name); 03186 } 03187 sub->cxmode = MGCP_CX_MUTE; 03188 if (option_verbose > 2) { 03189 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03190 } 03191 transmit_modify_request(sub); 03192 if (ast_bridged_channel(sub->owner)) 03193 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03194 03195 if (ast_bridged_channel(sub->next->owner)) 03196 ast_queue_control(sub->next->owner, AST_CONTROL_HOLD); 03197 03198 handle_hd_hf(sub->next, ev); 03199 } 03200 } else { 03201 /* We've most likely lost one of our calls find an active call and bring it up */ 03202 if (sub->owner) { 03203 p->sub = sub; 03204 } else if (sub->next->owner) { 03205 p->sub = sub->next; 03206 } else { 03207 /* We seem to have lost both our calls */ 03208 /* XXX - What do we do now? */ 03209 return -1; 03210 } 03211 if (ast_bridged_channel(p->sub->owner)) 03212 ast_queue_control(p->sub->owner, AST_CONTROL_UNHOLD); 03213 p->sub->cxmode = MGCP_CX_SENDRECV; 03214 transmit_modify_request(p->sub); 03215 } 03216 } else { 03217 ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n", 03218 p->name, p->parent->name); 03219 } 03220 } else if (!strcasecmp(ev, "hu")) { 03221 p->hookstate = MGCP_ONHOOK; 03222 sub->cxmode = MGCP_CX_RECVONLY; 03223 ast_log(LOG_DEBUG, "MGCP %s@%s Went on hook\n", p->name, p->parent->name); 03224 /* Do we need to send MDCX before a DLCX ? 03225 if (sub->rtp) { 03226 transmit_modify_request(sub); 03227 } 03228 */ 03229 if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) { 03230 /* We're allowed to transfer, we have two avtive calls and */ 03231 /* we made at least one of the calls. Let's try and transfer */ 03232 ast_mutex_lock(&p->sub->next->lock); 03233 res = attempt_transfer(p); 03234 if (res < 0) { 03235 if (p->sub->next->owner) { 03236 sub->next->alreadygone = 1; 03237 mgcp_queue_hangup(sub->next); 03238 } 03239 } else if (res) { 03240 ast_log(LOG_WARNING, "Transfer attempt failed\n"); 03241 ast_mutex_unlock(&p->sub->next->lock); 03242 return -1; 03243 } 03244 ast_mutex_unlock(&p->sub->next->lock); 03245 } else { 03246 /* Hangup the current call */ 03247 /* If there is another active call, mgcp_hangup will ring the phone with the other call */ 03248 if (sub->owner) { 03249 sub->alreadygone = 1; 03250 mgcp_queue_hangup(sub); 03251 } else { 03252 /* verbose level check */ 03253 if (option_verbose > 2) { 03254 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n", 03255 p->name, p->parent->name, sub->id); 03256 } 03257 /* Instruct the other side to remove the connection since it apparently * 03258 * still thinks the channel is active. * 03259 * For Cisco IAD2421 /BAK/ */ 03260 transmit_connection_del(sub); 03261 } 03262 } 03263 if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) { 03264 p->hidecallerid = 0; 03265 if (p->hascallwaiting && !p->callwaiting) { 03266 if (option_verbose > 2) 03267 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id); 03268 p->callwaiting = -1; 03269 } 03270 if (has_voicemail(p)) { 03271 if (option_verbose > 2) { 03272 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name); 03273 } 03274 transmit_notify_request(sub, "L/vmwi(+)"); 03275 } else { 03276 if (option_verbose > 2) { 03277 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name); 03278 } 03279 transmit_notify_request(sub, "L/vmwi(-)"); 03280 } 03281 } 03282 } else if ((strlen(ev) == 1) && 03283 (((ev[0] >= '0') && (ev[0] <= '9')) || 03284 ((ev[0] >= 'A') && (ev[0] <= 'D')) || 03285 (ev[0] == '*') || (ev[0] == '#'))) { 03286 if (sub && sub->owner && (sub->owner->_state >= AST_STATE_UP)) { 03287 f.frametype = AST_FRAME_DTMF; 03288 f.subclass = ev[0]; 03289 f.src = "mgcp"; 03290 /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */ 03291 mgcp_queue_frame(sub, &f); 03292 ast_mutex_lock(&sub->next->lock); 03293 if (sub->next->owner) 03294 mgcp_queue_frame(sub->next, &f); 03295 ast_mutex_unlock(&sub->next->lock); 03296 if (strstr(p->curtone, "wt") && (ev[0] == 'A')) { 03297 memset(p->curtone, 0, sizeof(p->curtone)); 03298 } 03299 } else { 03300 p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0]; 03301 p->dtmf_buf[strlen(p->dtmf_buf)] = '\0'; 03302 } 03303 } else if (!strcasecmp(ev, "T")) { 03304 /* Digit timeout -- unimportant */ 03305 } else if (!strcasecmp(ev, "ping")) { 03306 /* ping -- unimportant */ 03307 } else { 03308 ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name); 03309 } 03310 } else { 03311 ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr)); 03312 transmit_response(sub, "510", req, "Unknown verb"); 03313 } 03314 return 0; 03315 }
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 2454 of file chan_mgcp.c.
References ast_log(), ast_strlen_zero(), ast_verbose(), 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(), free, 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_OFFHOOK, MGCP_ONHOOK, mgcp_queue_hangup(), mgcp_endpoint::name, mgcp_gateway::name, mgcp_subchannel::next, option_verbose, 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 VERBOSE_PREFIX_3.
Referenced by handle_request(), mgcpsock_read(), and retrans_pkt().
02456 { 02457 char *c; 02458 struct mgcp_request *req; 02459 struct mgcp_gateway *gw = p->parent; 02460 02461 if (result < 200) { 02462 /* provisional response */ 02463 return; 02464 } 02465 02466 if (p->slowsequence) 02467 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02468 else if (sub) 02469 req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident); 02470 else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident))) 02471 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02472 02473 if (!req) { 02474 if (option_verbose > 2) { 02475 ast_verbose(VERBOSE_PREFIX_3 "No command found on [%s] for transaction %d. Ignoring...\n", 02476 gw->name, ident); 02477 } 02478 return; 02479 } 02480 02481 if (p && (result >= 400) && (result <= 599)) { 02482 switch (result) { 02483 case 401: 02484 p->hookstate = MGCP_OFFHOOK; 02485 break; 02486 case 402: 02487 p->hookstate = MGCP_ONHOOK; 02488 break; 02489 case 406: 02490 ast_log(LOG_NOTICE, "Transaction %d timed out\n", ident); 02491 break; 02492 case 407: 02493 ast_log(LOG_NOTICE, "Transaction %d aborted\n", ident); 02494 break; 02495 } 02496 if (sub) { 02497 if (sub->owner) { 02498 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02499 result, p->name, p->parent->name, sub ? sub->id:-1); 02500 mgcp_queue_hangup(sub); 02501 } 02502 } else { 02503 if (p->sub->next->owner) { 02504 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02505 result, p->name, p->parent->name, sub ? sub->id:-1); 02506 mgcp_queue_hangup(p->sub); 02507 } 02508 02509 if (p->sub->owner) { 02510 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02511 result, p->name, p->parent->name, sub ? sub->id:-1); 02512 mgcp_queue_hangup(p->sub); 02513 } 02514 02515 dump_cmd_queues(p, NULL); 02516 } 02517 } 02518 02519 if (resp) { 02520 if (req->cmd == MGCP_CMD_CRCX) { 02521 if ((c = get_header(resp, "I"))) { 02522 if (!ast_strlen_zero(c) && sub) { 02523 /* if we are hanging up do not process this conn. */ 02524 if (sub->owner) { 02525 if (!ast_strlen_zero(sub->cxident)) { 02526 if (strcasecmp(c, sub->cxident)) { 02527 ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c); 02528 } 02529 } 02530 ast_copy_string(sub->cxident, c, sizeof(sub->cxident)); 02531 if (sub->tmpdest.sin_addr.s_addr) { 02532 transmit_modify_with_sdp(sub, NULL, 0); 02533 } 02534 } else { 02535 /* XXX delete this one 02536 callid and conn id may already be lost. 02537 so the following del conn may have a side effect of 02538 cleaning up the next subchannel */ 02539 transmit_connection_del(sub); 02540 } 02541 } 02542 } 02543 } 02544 02545 if (req->cmd == MGCP_CMD_AUEP) { 02546 /* check stale connection ids */ 02547 if ((c = get_header(resp, "I"))) { 02548 char *v, *n; 02549 int len; 02550 while ((v = get_csv(c, &len, &n))) { 02551 if (len) { 02552 if (strncasecmp(v, p->sub->cxident, len) && 02553 strncasecmp(v, p->sub->next->cxident, len)) { 02554 /* connection id not found. delete it */ 02555 char cxident[80] = ""; 02556 02557 if (len > (sizeof(cxident) - 1)) 02558 len = sizeof(cxident) - 1; 02559 ast_copy_string(cxident, v, len); 02560 if (option_verbose > 2) { 02561 ast_verbose(VERBOSE_PREFIX_3 "Non existing connection id %s on %s@%s \n", 02562 cxident, p->name, gw->name); 02563 } 02564 transmit_connection_del_w_params(p, NULL, cxident); 02565 } 02566 } 02567 c = n; 02568 } 02569 } 02570 02571 /* Try to determine the hookstate returned from an audit endpoint command */ 02572 if ((c = get_header(resp, "ES"))) { 02573 if (!ast_strlen_zero(c)) { 02574 if (strstr(c, "hu")) { 02575 if (p->hookstate != MGCP_ONHOOK) { 02576 /* XXX cleanup if we think we are offhook XXX */ 02577 if ((p->sub->owner || p->sub->next->owner ) && 02578 p->hookstate == MGCP_OFFHOOK) 02579 mgcp_queue_hangup(sub); 02580 p->hookstate = MGCP_ONHOOK; 02581 02582 /* update the requested events according to the new hookstate */ 02583 transmit_notify_request(p->sub, ""); 02584 02585 /* verbose level check */ 02586 if (option_verbose > 2) { 02587 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name); 02588 } 02589 } 02590 } else if (strstr(c, "hd")) { 02591 if (p->hookstate != MGCP_OFFHOOK) { 02592 p->hookstate = MGCP_OFFHOOK; 02593 02594 /* update the requested events according to the new hookstate */ 02595 transmit_notify_request(p->sub, ""); 02596 02597 /* verbose level check */ 02598 if (option_verbose > 2) { 02599 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name); 02600 } 02601 } 02602 } 02603 } 02604 } 02605 } 02606 02607 if (resp && resp->lines) { 02608 /* do not process sdp if we are hanging up. this may be a late response */ 02609 if (sub && sub->owner) { 02610 if (!sub->rtp) 02611 start_rtp(sub); 02612 if (sub->rtp) 02613 process_sdp(sub, resp); 02614 } 02615 } 02616 } 02617 02618 free(req); 02619 }
static int has_voicemail | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 458 of file chan_mgcp.c.
References ast_app_has_voicemail(), and mgcp_endpoint::mailbox.
Referenced by do_monitor(), handle_hd_hf(), handle_init_event(), handle_request(), load_module(), mgcp_hangup(), mgcp_request(), vm_execmain(), and zt_handle_event().
00459 { 00460 return ast_app_has_voicemail(p->mailbox, NULL); 00461 }
static int init_req | ( | struct mgcp_endpoint * | p, | |
struct mgcp_request * | req, | |||
char * | verb | |||
) | [static] |
Definition at line 1981 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, oseq, and mgcp_endpoint::parent.
Referenced by initreqprep(), reqprep(), and transmit_register().
01982 { 01983 /* Initialize a response */ 01984 if (req->headers || req->len) { 01985 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01986 return -1; 01987 } 01988 req->header[req->headers] = req->data + req->len; 01989 /* check if we need brackets around the gw name */ 01990 if (p->parent->isnamedottedip) 01991 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %d %s@[%s] MGCP 1.0\r\n", verb, oseq, p->name, p->parent->name); 01992 else 01993 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %d %s@%s MGCP 1.0\r\n", verb, oseq, p->name, p->parent->name); 01994 req->len += strlen(req->header[req->headers]); 01995 if (req->headers < MGCP_MAX_HEADERS) 01996 req->headers++; 01997 else 01998 ast_log(LOG_WARNING, "Out of header space\n"); 01999 return 0; 02000 }
static int init_resp | ( | struct mgcp_request * | req, | |
char * | resp, | |||
struct mgcp_request * | orig, | |||
char * | resprest | |||
) | [static] |
Definition at line 1964 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().
01965 { 01966 /* Initialize a response */ 01967 if (req->headers || req->len) { 01968 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01969 return -1; 01970 } 01971 req->header[req->headers] = req->data + req->len; 01972 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest); 01973 req->len += strlen(req->header[req->headers]); 01974 if (req->headers < MGCP_MAX_HEADERS) 01975 req->headers++; 01976 else 01977 ast_log(LOG_WARNING, "Out of header space\n"); 01978 return 0; 01979 }
static int load_module | ( | void | ) | [static] |
load_module: PBX load module - initialization ---
Definition at line 4295 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_proto_register(), cli_mgcp, io, io_context_create(), io_context_destroy(), LOG_ERROR, LOG_WARNING, mgcp_rtp, mgcp_tech, reload_config(), restart_monitor(), sched_context_create(), and sched_context_destroy().
04296 { 04297 if (!(sched = sched_context_create())) { 04298 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 04299 return AST_MODULE_LOAD_FAILURE; 04300 } 04301 04302 if (!(io = io_context_create())) { 04303 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 04304 sched_context_destroy(sched); 04305 return AST_MODULE_LOAD_FAILURE; 04306 } 04307 04308 if (reload_config()) 04309 return AST_MODULE_LOAD_DECLINE; 04310 04311 /* Make sure we can register our mgcp channel type */ 04312 if (ast_channel_register(&mgcp_tech)) { 04313 ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n"); 04314 io_context_destroy(io); 04315 sched_context_destroy(sched); 04316 return AST_MODULE_LOAD_FAILURE; 04317 } 04318 04319 ast_rtp_proto_register(&mgcp_rtp); 04320 ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04321 04322 /* And start the monitor for the first time */ 04323 restart_monitor(); 04324 04325 return AST_MODULE_LOAD_SUCCESS; 04326 }
static int mgcp_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1161 of file chan_mgcp.c.
References ast_channel::_state, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_setstate(), AST_STATE_UP, ast_verbose(), mgcp_subchannel::cxmode, mgcp_subchannel::id, mgcp_subchannel::lock, LOG_DEBUG, MGCP_CX_SENDRECV, mgcp_gateway::name, mgcp_endpoint::name, option_debug, option_verbose, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), mgcp_endpoint::sub, ast_channel::tech_pvt, transmit_modify_request(), transmit_notify_request(), and VERBOSE_PREFIX_3.
01162 { 01163 int res = 0; 01164 struct mgcp_subchannel *sub = ast->tech_pvt; 01165 struct mgcp_endpoint *p = sub->parent; 01166 01167 ast_mutex_lock(&sub->lock); 01168 sub->cxmode = MGCP_CX_SENDRECV; 01169 if (!sub->rtp) { 01170 start_rtp(sub); 01171 } else { 01172 transmit_modify_request(sub); 01173 } 01174 /* verbose level check */ 01175 if (option_verbose > 2) { 01176 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_answer(%s) on %s@%s-%d\n", 01177 ast->name, p->name, p->parent->name, sub->id); 01178 } 01179 if (ast->_state != AST_STATE_UP) { 01180 ast_setstate(ast, AST_STATE_UP); 01181 if (option_debug) 01182 ast_log(LOG_DEBUG, "mgcp_answer(%s)\n", ast->name); 01183 transmit_notify_request(sub, ""); 01184 transmit_modify_request(sub); 01185 } 01186 ast_mutex_unlock(&sub->lock); 01187 return res; 01188 }
static int mgcp_audit_endpoint | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1068 of file chan_mgcp.c.
References ast_cli(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_gateway::endpoints, gateways, mgcpdebug, mgcp_endpoint::name, mgcp_gateway::name, mgcp_gateway::next, mgcp_endpoint::next, RESULT_SHOWUSAGE, RESULT_SUCCESS, and transmit_audit_endpoint().
01069 { 01070 struct mgcp_gateway *g; 01071 struct mgcp_endpoint *e; 01072 int found = 0; 01073 char *ename,*gname, *c; 01074 01075 if (!mgcpdebug) { 01076 return RESULT_SHOWUSAGE; 01077 } 01078 if (argc != 4) 01079 return RESULT_SHOWUSAGE; 01080 /* split the name into parts by null */ 01081 ename = argv[3]; 01082 gname = ename; 01083 while (*gname) { 01084 if (*gname == '@') { 01085 *gname = 0; 01086 gname++; 01087 break; 01088 } 01089 gname++; 01090 } 01091 if (gname[0] == '[') 01092 gname++; 01093 if ((c = strrchr(gname, ']'))) 01094 *c = '\0'; 01095 ast_mutex_lock(&gatelock); 01096 g = gateways; 01097 while(g) { 01098 if (!strcasecmp(g->name, gname)) { 01099 e = g->endpoints; 01100 while(e) { 01101 if (!strcasecmp(e->name, ename)) { 01102 found = 1; 01103 transmit_audit_endpoint(e); 01104 break; 01105 } 01106 e = e->next; 01107 } 01108 if (found) { 01109 break; 01110 } 01111 } 01112 g = g->next; 01113 } 01114 if (!found) { 01115 ast_cli(fd, " << Could not find endpoint >> "); 01116 } 01117 ast_mutex_unlock(&gatelock); 01118 return RESULT_SUCCESS; 01119 }
static int mgcp_call | ( | struct ast_channel * | ast, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
Definition at line 820 of file chan_mgcp.c.
References ast_channel::_state, AST_CONTROL_RINGING, AST_LIST_TRAVERSE, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_queue_control(), ast_setstate(), AST_STATE_DOWN, AST_STATE_RESERVED, AST_STATE_RINGING, ast_strlen_zero(), ast_var_name(), ast_var_value(), ast_verbose(), mgcp_subchannel::callid, ast_channel::cid, ast_callerid::cid_name, ast_callerid::cid_num, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, MGCP_CX_RECVONLY, MGCP_CX_SENDRECV, MGCP_OFFHOOK, MGCP_ONHOOK, mgcpdebug, mgcp_subchannel::next, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), ast_channel::tech_pvt, transmit_modify_request(), transmit_notify_request_with_callerid(), mgcp_endpoint::type, TYPE_LINE, ast_channel::varshead, and VERBOSE_PREFIX_3.
00821 { 00822 int res; 00823 struct mgcp_endpoint *p; 00824 struct mgcp_subchannel *sub; 00825 char tone[50] = ""; 00826 const char *distinctive_ring = NULL; 00827 struct varshead *headp; 00828 struct ast_var_t *current; 00829 00830 if (mgcpdebug) { 00831 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_call(%s)\n", ast->name); 00832 } 00833 sub = ast->tech_pvt; 00834 p = sub->parent; 00835 headp = &ast->varshead; 00836 AST_LIST_TRAVERSE(headp,current,entries) { 00837 /* Check whether there is an ALERT_INFO variable */ 00838 if (strcasecmp(ast_var_name(current),"ALERT_INFO") == 0) { 00839 distinctive_ring = ast_var_value(current); 00840 } 00841 } 00842 00843 ast_mutex_lock(&sub->lock); 00844 switch (p->hookstate) { 00845 case MGCP_OFFHOOK: 00846 if (!ast_strlen_zero(distinctive_ring)) { 00847 snprintf(tone, sizeof(tone), "L/wt%s", distinctive_ring); 00848 if (mgcpdebug) { 00849 ast_verbose(VERBOSE_PREFIX_3 "MGCP distinctive callwait %s\n", tone); 00850 } 00851 } else { 00852 snprintf(tone, sizeof(tone), "L/wt"); 00853 if (mgcpdebug) { 00854 ast_verbose(VERBOSE_PREFIX_3 "MGCP normal callwait %s\n", tone); 00855 } 00856 } 00857 break; 00858 case MGCP_ONHOOK: 00859 default: 00860 if (!ast_strlen_zero(distinctive_ring)) { 00861 snprintf(tone, sizeof(tone), "L/r%s", distinctive_ring); 00862 if (mgcpdebug) { 00863 ast_verbose(VERBOSE_PREFIX_3 "MGCP distinctive ring %s\n", tone); 00864 } 00865 } else { 00866 snprintf(tone, sizeof(tone), "L/rg"); 00867 if (mgcpdebug) { 00868 ast_verbose(VERBOSE_PREFIX_3 "MGCP default ring\n"); 00869 } 00870 } 00871 break; 00872 } 00873 00874 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 00875 ast_log(LOG_WARNING, "mgcp_call called on %s, neither down nor reserved\n", ast->name); 00876 ast_mutex_unlock(&sub->lock); 00877 return -1; 00878 } 00879 00880 res = 0; 00881 sub->outgoing = 1; 00882 sub->cxmode = MGCP_CX_RECVONLY; 00883 if (p->type == TYPE_LINE) { 00884 if (!sub->rtp) { 00885 start_rtp(sub); 00886 } else { 00887 transmit_modify_request(sub); 00888 } 00889 00890 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00891 /* try to prevent a callwait from disturbing the other connection */ 00892 sub->next->cxmode = MGCP_CX_RECVONLY; 00893 transmit_modify_request(sub->next); 00894 } 00895 00896 transmit_notify_request_with_callerid(sub, tone, ast->cid.cid_num, ast->cid.cid_name); 00897 ast_setstate(ast, AST_STATE_RINGING); 00898 00899 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00900 /* Put the connection back in sendrecv */ 00901 sub->next->cxmode = MGCP_CX_SENDRECV; 00902 transmit_modify_request(sub->next); 00903 } 00904 } else { 00905 ast_log(LOG_NOTICE, "Don't know how to dial on trunks yet\n"); 00906 res = -1; 00907 } 00908 ast_mutex_unlock(&sub->lock); 00909 ast_queue_control(ast, AST_CONTROL_RINGING); 00910 return res; 00911 }
static int mgcp_devicestate | ( | void * | data | ) | [static] |
mgcp_devicestate: channel callback for device status monitoring
data | tech/resource name of MGCP device to query |
Definition at line 1334 of file chan_mgcp.c.
References AST_DEVICE_INVALID, AST_DEVICE_UNKNOWN, ast_mutex_lock(), ast_mutex_unlock(), ast_strdupa, mgcp_gateway::endpoints, error(), gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_endpoint::next, and mgcp_gateway::next.
01335 { 01336 struct mgcp_gateway *g; 01337 struct mgcp_endpoint *e = NULL; 01338 char *tmp, *endpt, *gw; 01339 int ret = AST_DEVICE_INVALID; 01340 01341 endpt = ast_strdupa(data); 01342 if ((tmp = strchr(endpt, '@'))) { 01343 *tmp++ = '\0'; 01344 gw = tmp; 01345 } else 01346 goto error; 01347 01348 ast_mutex_lock(&gatelock); 01349 g = gateways; 01350 while (g) { 01351 if (strcasecmp(g->name, gw) == 0) { 01352 e = g->endpoints; 01353 break; 01354 } 01355 g = g->next; 01356 } 01357 01358 if (!e) 01359 goto error; 01360 01361 while (e) { 01362 if (strcasecmp(e->name, endpt) == 0) 01363 break; 01364 e = e->next; 01365 } 01366 01367 if (!e) 01368 goto error; 01369 01370 /* 01371 * As long as the gateway/endpoint is valid, we'll 01372 * assume that the device is available and its state 01373 * can be tracked. 01374 */ 01375 ret = AST_DEVICE_UNKNOWN; 01376 01377 error: 01378 ast_mutex_unlock(&gatelock); 01379 return ret; 01380 }
static int mgcp_do_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1121 of file chan_mgcp.c.
References ast_cli(), mgcpdebug, RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01122 { 01123 if (argc != 3) 01124 return RESULT_SHOWUSAGE; 01125 mgcpdebug = 1; 01126 ast_cli(fd, "MGCP Debugging Enabled\n"); 01127 return RESULT_SUCCESS; 01128 }
static int mgcp_do_reload | ( | void | ) | [static] |
mgcp_do_reload: Reload module
Definition at line 4329 of file chan_mgcp.c.
References reload_config().
Referenced by do_monitor().
04330 { 04331 reload_config(); 04332 return 0; 04333 }
static int mgcp_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1261 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.
01262 { 01263 struct mgcp_subchannel *sub = newchan->tech_pvt; 01264 01265 ast_mutex_lock(&sub->lock); 01266 ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", oldchan->name, newchan->name); 01267 if (sub->owner != oldchan) { 01268 ast_mutex_unlock(&sub->lock); 01269 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner); 01270 return -1; 01271 } 01272 sub->owner = newchan; 01273 ast_mutex_unlock(&sub->lock); 01274 return 0; 01275 }
static enum ast_rtp_get_result mgcp_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp ** | rtp | |||
) | [static] |
Definition at line 3985 of file chan_mgcp.c.
References AST_RTP_GET_FAILED, AST_RTP_TRY_NATIVE, AST_RTP_TRY_PARTIAL, mgcp_endpoint::canreinvite, mgcp_subchannel::parent, mgcp_subchannel::rtp, and ast_channel::tech_pvt.
03986 { 03987 struct mgcp_subchannel *sub = NULL; 03988 03989 if (!(sub = chan->tech_pvt) || !(sub->rtp)) 03990 return AST_RTP_GET_FAILED; 03991 03992 *rtp = sub->rtp; 03993 03994 if (sub->parent->canreinvite) 03995 return AST_RTP_TRY_NATIVE; 03996 else 03997 return AST_RTP_TRY_PARTIAL; 03998 }
static int mgcp_hangup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 913 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_bridged_channel(), ast_dsp_free(), ast_log(), ast_module_unref(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_destroy(), ast_strlen_zero(), ast_verbose(), mgcp_subchannel::callid, mgcp_endpoint::callwaiting, ast_channel::cid, ast_callerid::cid_name, ast_callerid::cid_num, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_endpoint::dsp, mgcp_endpoint::dtmf_buf, mgcp_endpoint::dtmfmode, has_voicemail(), mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::hookstate, mgcp_subchannel::lock, LOG_DEBUG, mgcp_subchannel::magic, MGCP_CX_INACTIVE, MGCP_CX_RECVONLY, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_OFFHOOK, MGCP_ONHOOK, MGCP_SUBCHANNEL_MAGIC, mgcpdebug, mgcp_gateway::name, mgcp_endpoint::name, mgcp_subchannel::next, option_debug, option_verbose, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, mgcp_endpoint::sub, ast_channel::tech_pvt, mgcp_subchannel::tmpdest, transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), transmit_notify_request_with_callerid(), VERBOSE_PREFIX_2, and VERBOSE_PREFIX_3.
00914 { 00915 struct mgcp_subchannel *sub = ast->tech_pvt; 00916 struct mgcp_endpoint *p = sub->parent; 00917 00918 if (option_debug) { 00919 ast_log(LOG_DEBUG, "mgcp_hangup(%s)\n", ast->name); 00920 } 00921 if (!ast->tech_pvt) { 00922 ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n"); 00923 return 0; 00924 } 00925 if (strcmp(sub->magic, MGCP_SUBCHANNEL_MAGIC)) { 00926 ast_log(LOG_DEBUG, "Invalid magic. MGCP subchannel freed up already.\n"); 00927 return 0; 00928 } 00929 ast_mutex_lock(&sub->lock); 00930 if (mgcpdebug) { 00931 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s\n", ast->name, p->name, p->parent->name); 00932 } 00933 00934 if ((p->dtmfmode & MGCP_DTMF_INBAND) && p->dsp) { 00935 /* check whether other channel is active. */ 00936 if (!sub->next->owner) { 00937 if (p->dtmfmode & MGCP_DTMF_HYBRID) 00938 p->dtmfmode &= ~MGCP_DTMF_INBAND; 00939 if (mgcpdebug) { 00940 ast_verbose(VERBOSE_PREFIX_2 "MGCP free dsp on %s@%s\n", p->name, p->parent->name); 00941 } 00942 ast_dsp_free(p->dsp); 00943 p->dsp = NULL; 00944 } 00945 } 00946 00947 sub->owner = NULL; 00948 if (!ast_strlen_zero(sub->cxident)) { 00949 transmit_connection_del(sub); 00950 } 00951 sub->cxident[0] = '\0'; 00952 if ((sub == p->sub) && sub->next->owner) { 00953 if (p->hookstate == MGCP_OFFHOOK) { 00954 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00955 transmit_notify_request_with_callerid(p->sub, "L/wt", ast_bridged_channel(sub->next->owner)->cid.cid_num, ast_bridged_channel(sub->next->owner)->cid.cid_name); 00956 } 00957 } else { 00958 /* set our other connection as the primary and swith over to it */ 00959 p->sub = sub->next; 00960 p->sub->cxmode = MGCP_CX_RECVONLY; 00961 transmit_modify_request(p->sub); 00962 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00963 transmit_notify_request_with_callerid(p->sub, "L/rg", ast_bridged_channel(sub->next->owner)->cid.cid_num, ast_bridged_channel(sub->next->owner)->cid.cid_name); 00964 } 00965 } 00966 00967 } else if ((sub == p->sub->next) && p->hookstate == MGCP_OFFHOOK) { 00968 transmit_notify_request(sub, "L/v"); 00969 } else if (p->hookstate == MGCP_OFFHOOK) { 00970 transmit_notify_request(sub, "L/ro"); 00971 } else { 00972 transmit_notify_request(sub, ""); 00973 } 00974 00975 ast->tech_pvt = NULL; 00976 sub->alreadygone = 0; 00977 sub->outgoing = 0; 00978 sub->cxmode = MGCP_CX_INACTIVE; 00979 sub->callid[0] = '\0'; 00980 if (p) { 00981 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 00982 } 00983 /* Reset temporary destination */ 00984 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00985 if (sub->rtp) { 00986 ast_rtp_destroy(sub->rtp); 00987 sub->rtp = NULL; 00988 } 00989 00990 ast_module_unref(ast_module_info->self); 00991 00992 if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) { 00993 p->hidecallerid = 0; 00994 if (p->hascallwaiting && !p->callwaiting) { 00995 if (option_verbose > 2) 00996 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on %s\n", ast->name); 00997 p->callwaiting = -1; 00998 } 00999 if (has_voicemail(p)) { 01000 if (mgcpdebug) { 01001 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n", 01002 ast->name, p->name, p->parent->name); 01003 } 01004 transmit_notify_request(sub, "L/vmwi(+)"); 01005 } else { 01006 if (mgcpdebug) { 01007 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n", 01008 ast->name, p->name, p->parent->name); 01009 } 01010 transmit_notify_request(sub, "L/vmwi(-)"); 01011 } 01012 } 01013 ast_mutex_unlock(&sub->lock); 01014 return 0; 01015 }
static int mgcp_indicate | ( | struct ast_channel * | ast, | |
int | ind, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1414 of file chan_mgcp.c.
References AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_HOLD, AST_CONTROL_RINGING, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, ast_log(), ast_moh_start(), ast_moh_stop(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_new_source(), ast_verbose(), control2str(), mgcp_subchannel::lock, LOG_WARNING, mgcpdebug, ast_channel::tech_pvt, transmit_notify_request(), and VERBOSE_PREFIX_3.
01415 { 01416 struct mgcp_subchannel *sub = ast->tech_pvt; 01417 int res = 0; 01418 01419 if (mgcpdebug) { 01420 ast_verbose(VERBOSE_PREFIX_3 "MGCP asked to indicate %d '%s' condition on channel %s\n", 01421 ind, control2str(ind), ast->name); 01422 } 01423 ast_mutex_lock(&sub->lock); 01424 switch(ind) { 01425 case AST_CONTROL_RINGING: 01426 #ifdef DLINK_BUGGY_FIRMWARE 01427 transmit_notify_request(sub, "rt"); 01428 #else 01429 transmit_notify_request(sub, "G/rt"); 01430 #endif 01431 break; 01432 case AST_CONTROL_BUSY: 01433 transmit_notify_request(sub, "L/bz"); 01434 break; 01435 case AST_CONTROL_CONGESTION: 01436 transmit_notify_request(sub, "G/cg"); 01437 break; 01438 case AST_CONTROL_HOLD: 01439 ast_moh_start(ast, data, NULL); 01440 break; 01441 case AST_CONTROL_UNHOLD: 01442 ast_moh_stop(ast); 01443 break; 01444 case AST_CONTROL_SRCUPDATE: 01445 ast_rtp_new_source(sub->rtp); 01446 break; 01447 case -1: 01448 transmit_notify_request(sub, ""); 01449 break; 01450 default: 01451 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind); 01452 res = -1; 01453 } 01454 ast_mutex_unlock(&sub->lock); 01455 return res; 01456 }
static struct ast_channel* mgcp_new | ( | struct mgcp_subchannel * | sub, | |
int | state | |||
) | [static] |
Definition at line 1458 of file chan_mgcp.c.
References accountcode, mgcp_endpoint::accountcode, mgcp_endpoint::adsi, ast_channel::adsicpe, ast_channel::amaflags, mgcp_endpoint::amaflags, AST_ADSI_UNAVAILABLE, ast_best_codec(), ast_channel_alloc(), ast_dsp_digitmode(), ast_dsp_new(), ast_dsp_set_features(), ast_hangup(), ast_jb_configure(), ast_log(), ast_module_ref(), ast_pbx_start(), ast_rtp_fd(), ast_state2str(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_build, ast_string_field_set, ast_strlen_zero(), ast_verbose(), mgcp_endpoint::call_forward, mgcp_endpoint::callgroup, ast_channel::callgroup, capability, mgcp_endpoint::capability, ast_channel::cid, ast_callerid::cid_ani, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, ast_channel::context, mgcp_endpoint::context, mgcp_endpoint::dsp, DSP_DIGITMODE_NOQUELCH, DSP_FEATURE_DTMF_DETECT, mgcp_endpoint::dtmfmode, ast_channel::exten, mgcp_endpoint::exten, ast_channel::fds, fmt, global_jbconf, mgcp_subchannel::id, language, mgcp_endpoint::language, LOG_WARNING, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_tech, name, mgcp_gateway::name, mgcp_endpoint::name, ast_channel::nativeformats, option_verbose, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_endpoint::pickupgroup, ast_channel::pickupgroup, ast_channel::priority, ast_channel::rawreadformat, ast_channel::rawwriteformat, ast_channel::readformat, ast_channel::rings, mgcp_subchannel::rtp, mgcp_endpoint::sub, ast_channel::tech, ast_channel::tech_pvt, VERBOSE_PREFIX_3, and ast_channel::writeformat.
Referenced by handle_hd_hf(), and mgcp_request().
01459 { 01460 struct ast_channel *tmp; 01461 struct mgcp_endpoint *i = sub->parent; 01462 int fmt; 01463 01464 tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, i->accountcode, i->exten, i->context, i->amaflags, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id); 01465 if (tmp) { 01466 tmp->tech = &mgcp_tech; 01467 tmp->nativeformats = i->capability; 01468 if (!tmp->nativeformats) 01469 tmp->nativeformats = capability; 01470 fmt = ast_best_codec(tmp->nativeformats); 01471 ast_string_field_build(tmp, name, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id); 01472 if (sub->rtp) 01473 tmp->fds[0] = ast_rtp_fd(sub->rtp); 01474 if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) { 01475 i->dsp = ast_dsp_new(); 01476 ast_dsp_set_features(i->dsp,DSP_FEATURE_DTMF_DETECT); 01477 /* this is to prevent clipping of dtmf tones during dsp processing */ 01478 ast_dsp_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH); 01479 } else { 01480 i->dsp = NULL; 01481 } 01482 if (state == AST_STATE_RING) 01483 tmp->rings = 1; 01484 tmp->writeformat = fmt; 01485 tmp->rawwriteformat = fmt; 01486 tmp->readformat = fmt; 01487 tmp->rawreadformat = fmt; 01488 tmp->tech_pvt = sub; 01489 if (!ast_strlen_zero(i->language)) 01490 ast_string_field_set(tmp, language, i->language); 01491 if (!ast_strlen_zero(i->accountcode)) 01492 ast_string_field_set(tmp, accountcode, i->accountcode); 01493 if (i->amaflags) 01494 tmp->amaflags = i->amaflags; 01495 sub->owner = tmp; 01496 ast_module_ref(ast_module_info->self); 01497 tmp->callgroup = i->callgroup; 01498 tmp->pickupgroup = i->pickupgroup; 01499 ast_string_field_set(tmp, call_forward, i->call_forward); 01500 ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); 01501 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01502 01503 /* Don't use ast_set_callerid() here because it will 01504 * generate a needless NewCallerID event */ 01505 tmp->cid.cid_ani = ast_strdup(i->cid_num); 01506 01507 if (!i->adsi) 01508 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01509 tmp->priority = 1; 01510 if (sub->rtp) 01511 ast_jb_configure(tmp, &global_jbconf); 01512 if (state != AST_STATE_DOWN) { 01513 if (ast_pbx_start(tmp)) { 01514 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01515 ast_hangup(tmp); 01516 tmp = NULL; 01517 } 01518 } 01519 /* verbose level check */ 01520 if (option_verbose > 2) { 01521 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_new(%s) created in state: %s\n", 01522 tmp->name, ast_state2str(state)); 01523 } 01524 } else { 01525 ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); 01526 } 01527 return tmp; 01528 }
static int mgcp_no_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1130 of file chan_mgcp.c.
References ast_cli(), mgcpdebug, RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01131 { 01132 if (argc != 4) 01133 return RESULT_SHOWUSAGE; 01134 mgcpdebug = 0; 01135 ast_cli(fd, "MGCP Debugging Disabled\n"); 01136 return RESULT_SUCCESS; 01137 }
static int mgcp_postrequest | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
char * | data, | |||
int | len, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 669 of file chan_mgcp.c.
References __mgcp_xmit(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_sched_add(), mgcp_message::buf, DEFAULT_RETRANS, mgcp_message::expire, mgcp_message::len, LOG_NOTICE, malloc, 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().
00671 { 00672 struct mgcp_message *msg = malloc(sizeof(struct mgcp_message) + len); 00673 struct mgcp_message *cur; 00674 struct mgcp_gateway *gw = ((p && p->parent) ? p->parent : NULL); 00675 struct timeval tv; 00676 00677 if (!msg) { 00678 return -1; 00679 } 00680 if (!gw) { 00681 return -1; 00682 } 00683 /* SC 00684 time(&t); 00685 if (gw->messagepending && (gw->lastouttime + 20 < t)) { 00686 ast_log(LOG_NOTICE, "Timeout waiting for response to message:%d, lastouttime: %ld, now: %ld. Dumping pending queue\n", 00687 gw->msgs ? gw->msgs->seqno : -1, (long) gw->lastouttime, (long) t); 00688 dump_queue(sub->parent); 00689 } 00690 */ 00691 msg->owner_sub = sub; 00692 msg->owner_ep = p; 00693 msg->seqno = seqno; 00694 msg->next = NULL; 00695 msg->len = len; 00696 msg->retrans = 0; 00697 memcpy(msg->buf, data, msg->len); 00698 00699 ast_mutex_lock(&gw->msgs_lock); 00700 cur = gw->msgs; 00701 if (cur) { 00702 while(cur->next) 00703 cur = cur->next; 00704 cur->next = msg; 00705 } else { 00706 gw->msgs = msg; 00707 } 00708 00709 if (gettimeofday(&tv, NULL) < 0) { 00710 /* This shouldn't ever happen, but let's be sure */ 00711 ast_log(LOG_NOTICE, "gettimeofday() failed!\n"); 00712 } else { 00713 msg->expire = tv.tv_sec * 1000 + tv.tv_usec / 1000 + DEFAULT_RETRANS; 00714 00715 if (gw->retransid == -1) 00716 gw->retransid = ast_sched_add(sched, DEFAULT_RETRANS, retrans_pkt, (void *)gw); 00717 } 00718 ast_mutex_unlock(&gw->msgs_lock); 00719 /* SC 00720 if (!gw->messagepending) { 00721 gw->messagepending = 1; 00722 gw->lastout = seqno; 00723 gw->lastouttime = t; 00724 */ 00725 __mgcp_xmit(gw, msg->buf, msg->len); 00726 /* XXX Should schedule retransmission XXX */ 00727 /* SC 00728 } else 00729 ast_log(LOG_DEBUG, "Deferring transmission of transaction %d\n", seqno); 00730 */ 00731 return 0; 00732 }
static void mgcp_queue_control | ( | struct mgcp_subchannel * | sub, | |
int | control | |||
) | [static] |
Definition at line 600 of file chan_mgcp.c.
References AST_FRAME_CONTROL, f, and mgcp_queue_frame().
Referenced by handle_hd_hf().
00601 { 00602 struct ast_frame f = { AST_FRAME_CONTROL, }; 00603 f.subclass = control; 00604 return mgcp_queue_frame(sub, &f); 00605 }
static void mgcp_queue_frame | ( | struct mgcp_subchannel * | sub, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 568 of file chan_mgcp.c.
References ast_mutex_trylock(), ast_mutex_unlock(), ast_queue_frame(), DEADLOCK_AVOIDANCE, f, mgcp_subchannel::lock, ast_channel::lock, and mgcp_subchannel::owner.
Referenced by handle_request(), and mgcp_queue_control().
00569 { 00570 for(;;) { 00571 if (sub->owner) { 00572 if (!ast_mutex_trylock(&sub->owner->lock)) { 00573 ast_queue_frame(sub->owner, f); 00574 ast_mutex_unlock(&sub->owner->lock); 00575 break; 00576 } else { 00577 DEADLOCK_AVOIDANCE(&sub->lock); 00578 } 00579 } else 00580 break; 00581 } 00582 }
static void mgcp_queue_hangup | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 584 of file chan_mgcp.c.
References ast_mutex_trylock(), ast_mutex_unlock(), ast_queue_hangup(), DEADLOCK_AVOIDANCE, mgcp_subchannel::lock, ast_channel::lock, and mgcp_subchannel::owner.
Referenced by attempt_transfer(), handle_request(), and handle_response().
00585 { 00586 for(;;) { 00587 if (sub->owner) { 00588 if (!ast_mutex_trylock(&sub->owner->lock)) { 00589 ast_queue_hangup(sub->owner); 00590 ast_mutex_unlock(&sub->owner->lock); 00591 break; 00592 } else { 00593 DEADLOCK_AVOIDANCE(&sub->lock); 00594 } 00595 } else 00596 break; 00597 } 00598 }
static struct ast_frame * mgcp_read | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1221 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), f, mgcp_subchannel::lock, mgcp_rtp_read(), and ast_channel::tech_pvt.
01222 { 01223 struct ast_frame *f; 01224 struct mgcp_subchannel *sub = ast->tech_pvt; 01225 ast_mutex_lock(&sub->lock); 01226 f = mgcp_rtp_read(sub); 01227 ast_mutex_unlock(&sub->lock); 01228 return f; 01229 }
static int mgcp_reload | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 4335 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), LOG_WARNING, mgcp_reloading, and restart_monitor().
Referenced by reload(), and unload_module().
04336 { 04337 static int deprecated = 0; 04338 if (!deprecated && argc > 0) { 04339 ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"); 04340 deprecated = 1; 04341 } 04342 04343 ast_mutex_lock(&mgcp_reload_lock); 04344 if (mgcp_reloading) { 04345 ast_verbose("Previous mgcp reload not yet done\n"); 04346 } else 04347 mgcp_reloading = 1; 04348 ast_mutex_unlock(&mgcp_reload_lock); 04349 restart_monitor(); 04350 return 0; 04351 }
static struct ast_channel * mgcp_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static] |
Definition at line 3553 of file chan_mgcp.c.
References AST_CAUSE_BUSY, AST_CAUSE_UNREGISTERED, ast_log(), ast_mutex_unlock(), AST_STATE_DOWN, ast_strlen_zero(), ast_verbose(), mgcp_endpoint::call_forward, mgcp_endpoint::callwaiting, capability, 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, option_verbose, mgcp_subchannel::owner, mgcp_subchannel::parent, restart_monitor(), transmit_notify_request(), and VERBOSE_PREFIX_3.
03554 { 03555 int oldformat; 03556 struct mgcp_subchannel *sub; 03557 struct ast_channel *tmpc = NULL; 03558 char tmp[256]; 03559 char *dest = data; 03560 03561 oldformat = format; 03562 format &= capability; 03563 if (!format) { 03564 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format); 03565 return NULL; 03566 } 03567 ast_copy_string(tmp, dest, sizeof(tmp)); 03568 if (ast_strlen_zero(tmp)) { 03569 ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n"); 03570 return NULL; 03571 } 03572 sub = find_subchannel_and_lock(tmp, 0, NULL); 03573 if (!sub) { 03574 ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp); 03575 *cause = AST_CAUSE_UNREGISTERED; 03576 return NULL; 03577 } 03578 03579 if (option_verbose > 2) { 03580 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_request(%s)\n", tmp); 03581 ast_verbose(VERBOSE_PREFIX_3 "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n", 03582 sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0); 03583 } 03584 /* Must be busy */ 03585 if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) || 03586 ((!sub->parent->callwaiting) && (sub->owner)) || 03587 (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) { 03588 if (sub->parent->hookstate == MGCP_ONHOOK) { 03589 if (has_voicemail(sub->parent)) { 03590 transmit_notify_request(sub,"L/vmwi(+)"); 03591 } else { 03592 transmit_notify_request(sub,"L/vmwi(-)"); 03593 } 03594 } 03595 *cause = AST_CAUSE_BUSY; 03596 ast_mutex_unlock(&sub->lock); 03597 return NULL; 03598 } 03599 tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN); 03600 ast_mutex_unlock(&sub->lock); 03601 if (!tmpc) 03602 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp); 03603 restart_monitor(); 03604 return tmpc; 03605 }
static struct ast_frame* mgcp_rtp_read | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 1190 of file chan_mgcp.c.
References ast_dsp_process(), AST_FRAME_DTMF, AST_FRAME_VOICE, ast_log(), ast_null_frame, ast_rtp_read(), ast_set_read_format(), ast_set_write_format(), mgcp_endpoint::dsp, mgcp_endpoint::dtmfmode, f, LOG_DEBUG, LOG_NOTICE, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, ast_channel::nativeformats, mgcp_subchannel::owner, mgcp_subchannel::parent, ast_channel::readformat, mgcp_subchannel::rtp, and ast_channel::writeformat.
Referenced by mgcp_read().
01191 { 01192 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */ 01193 struct ast_frame *f; 01194 01195 f = ast_rtp_read(sub->rtp); 01196 /* Don't send RFC2833 if we're not supposed to */ 01197 if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833)) 01198 return &ast_null_frame; 01199 if (sub->owner) { 01200 /* We already hold the channel lock */ 01201 if (f->frametype == AST_FRAME_VOICE) { 01202 if (f->subclass != sub->owner->nativeformats) { 01203 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); 01204 sub->owner->nativeformats = f->subclass; 01205 ast_set_read_format(sub->owner, sub->owner->readformat); 01206 ast_set_write_format(sub->owner, sub->owner->writeformat); 01207 } 01208 /* Courtesy fearnor aka alex@pilosoft.com */ 01209 if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) { 01210 #if 0 01211 ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n"); 01212 #endif 01213 f = ast_dsp_process(sub->owner, sub->parent->dsp, f); 01214 } 01215 } 01216 } 01217 return f; 01218 }
static int mgcp_senddigit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
Definition at line 1277 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_senddigit_begin(), mgcp_endpoint::dtmfmode, mgcp_subchannel::lock, LOG_DEBUG, LOG_ERROR, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, mgcp_subchannel::parent, mgcp_subchannel::rtp, mgcp_endpoint::sub, and ast_channel::tech_pvt.
01278 { 01279 struct mgcp_subchannel *sub = ast->tech_pvt; 01280 struct mgcp_endpoint *p = sub->parent; 01281 int res = 0; 01282 01283 ast_mutex_lock(&sub->lock); 01284 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01285 ast_log(LOG_DEBUG, "Sending DTMF using inband/hybrid\n"); 01286 res = -1; /* Let asterisk play inband indications */ 01287 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01288 ast_log(LOG_DEBUG, "Sending DTMF using RFC2833"); 01289 ast_rtp_senddigit_begin(sub->rtp, digit); 01290 } else { 01291 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01292 } 01293 ast_mutex_unlock(&sub->lock); 01294 01295 return res; 01296 }
static int mgcp_senddigit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1298 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_senddigit_end(), mgcp_endpoint::dtmfmode, mgcp_subchannel::lock, LOG_DEBUG, LOG_ERROR, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, MGCP_DTMF_RFC2833, mgcp_subchannel::parent, mgcp_subchannel::rtp, mgcp_endpoint::sub, ast_channel::tech_pvt, and transmit_notify_request().
01299 { 01300 struct mgcp_subchannel *sub = ast->tech_pvt; 01301 struct mgcp_endpoint *p = sub->parent; 01302 int res = 0; 01303 char tmp[4]; 01304 01305 ast_mutex_lock(&sub->lock); 01306 if (p->dtmfmode & MGCP_DTMF_INBAND || p->dtmfmode & MGCP_DTMF_HYBRID) { 01307 ast_log(LOG_DEBUG, "Stopping DTMF using inband/hybrid\n"); 01308 res = -1; /* Tell Asterisk to stop inband indications */ 01309 } else if (p->dtmfmode & MGCP_DTMF_RFC2833) { 01310 ast_log(LOG_DEBUG, "Stopping DTMF using RFC2833\n"); 01311 tmp[0] = 'D'; 01312 tmp[1] = '/'; 01313 tmp[2] = digit; 01314 tmp[3] = '\0'; 01315 transmit_notify_request(sub, tmp); 01316 ast_rtp_senddigit_end(sub->rtp, digit); 01317 } else { 01318 ast_log(LOG_ERROR, "Don't know about DTMF_MODE %d\n", p->dtmfmode); 01319 } 01320 ast_mutex_unlock(&sub->lock); 01321 01322 return res; 01323 }
static int mgcp_set_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp * | rtp, | |||
struct ast_rtp * | vrtp, | |||
int | codecs, | |||
int | nat_active | |||
) | [static] |
Definition at line 4000 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, mgcp_subchannel::rtp, ast_channel::tech_pvt, and transmit_modify_with_sdp().
04001 { 04002 /* XXX Is there such thing as video support with MGCP? XXX */ 04003 struct mgcp_subchannel *sub; 04004 sub = chan->tech_pvt; 04005 if (sub && !sub->alreadygone) { 04006 transmit_modify_with_sdp(sub, rtp, codecs); 04007 return 0; 04008 } 04009 return -1; 04010 }
static int mgcp_show_endpoints | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1017 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_cli(), ast_inet_ntoa(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_endpoint::context, mgcp_gateway::defaddr, mgcp_gateway::dynamic, mgcp_gateway::endpoints, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_gateway::next, mgcp_endpoint::next, mgcp_subchannel::owner, RESULT_SHOWUSAGE, RESULT_SUCCESS, mgcp_endpoint::sub, and mgcp_gateway::wcardep.
01018 { 01019 struct mgcp_gateway *g; 01020 struct mgcp_endpoint *e; 01021 int hasendpoints = 0; 01022 01023 if (argc != 3) 01024 return RESULT_SHOWUSAGE; 01025 ast_mutex_lock(&gatelock); 01026 g = gateways; 01027 while(g) { 01028 e = g->endpoints; 01029 ast_cli(fd, "Gateway '%s' at %s (%s)\n", g->name, g->addr.sin_addr.s_addr ? ast_inet_ntoa(g->addr.sin_addr) : ast_inet_ntoa(g->defaddr.sin_addr), g->dynamic ? "Dynamic" : "Static"); 01030 while(e) { 01031 /* Don't show wilcard endpoint */ 01032 if (strcmp(e->name, g->wcardep) !=0) 01033 ast_cli(fd, " -- '%s@%s in '%s' is %s\n", e->name, g->name, e->context, e->sub->owner ? "active" : "idle"); 01034 hasendpoints = 1; 01035 e = e->next; 01036 } 01037 if (!hasendpoints) { 01038 ast_cli(fd, " << No Endpoints Defined >> "); 01039 } 01040 g = g->next; 01041 } 01042 ast_mutex_unlock(&gatelock); 01043 return RESULT_SUCCESS; 01044 }
static void* mgcp_ss | ( | void * | data | ) | [static] |
Definition at line 2646 of file chan_mgcp.c.
References ast_bridged_channel(), ast_canmatch_extension(), ast_db_put(), ast_exists_extension(), ast_hangup(), ast_ignore_pattern(), ast_indicate(), ast_log(), ast_masq_park_call(), ast_matchmore_extension(), AST_MAX_EXTENSION, ast_parking_ext(), 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_strlen_zero(), ast_verbose(), ast_waitfordigit(), mgcp_endpoint::call_forward, mgcp_endpoint::callreturn, mgcp_endpoint::callwaiting, mgcp_endpoint::cancallforward, ast_channel::cid, ast_callerid::cid_ani, mgcp_endpoint::cid_name, ast_callerid::cid_num, mgcp_endpoint::cid_num, ast_channel::context, mgcp_endpoint::dnd, mgcp_endpoint::dtmf_buf, mgcp_endpoint::dtmfmode, exten, ast_channel::exten, firstdigittimeout, gendigittimeout, mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::lastcallerid, len, LOG_DEBUG, LOG_WARNING, matchdigittimeout, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_subchannel::next, option_debug, option_verbose, mgcp_subchannel::owner, mgcp_subchannel::parent, ast_channel::rings, start_rtp(), mgcp_endpoint::sub, ast_channel::tech_pvt, transmit_notify_request(), and VERBOSE_PREFIX_3.
Referenced by handle_hd_hf().
02647 { 02648 struct ast_channel *chan = data; 02649 struct mgcp_subchannel *sub = chan->tech_pvt; 02650 struct mgcp_endpoint *p = sub->parent; 02651 /* char exten[AST_MAX_EXTENSION] = ""; */ 02652 int len = 0; 02653 int timeout = firstdigittimeout; 02654 int res= 0; 02655 int getforward = 0; 02656 int loop_pause = 100; 02657 02658 len = strlen(p->dtmf_buf); 02659 02660 while(len < AST_MAX_EXTENSION-1) { 02661 res = 1; /* Assume that we will get a digit */ 02662 while (strlen(p->dtmf_buf) == len){ 02663 ast_safe_sleep(chan, loop_pause); 02664 timeout -= loop_pause; 02665 if (timeout <= 0){ 02666 res = 0; 02667 break; 02668 } 02669 res = 1; 02670 } 02671 02672 timeout = 0; 02673 len = strlen(p->dtmf_buf); 02674 02675 if (!ast_ignore_pattern(chan->context, p->dtmf_buf)) { 02676 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02677 ast_indicate(chan, -1); 02678 } else { 02679 /* XXX Redundant? We should already be playing dialtone */ 02680 /*tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02681 transmit_notify_request(sub, "L/dl"); 02682 } 02683 if (ast_exists_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02684 if (!res || !ast_matchmore_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02685 if (getforward) { 02686 /* Record this as the forwarding extension */ 02687 ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward)); 02688 if (option_verbose > 2) { 02689 ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n", 02690 p->call_forward, chan->name); 02691 } 02692 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02693 transmit_notify_request(sub, "L/sl"); 02694 if (res) 02695 break; 02696 usleep(500000); 02697 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02698 ast_indicate(chan, -1); 02699 sleep(1); 02700 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02701 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02702 transmit_notify_request(sub, "L/dl"); 02703 len = 0; 02704 getforward = 0; 02705 } else { 02706 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02707 ast_indicate(chan, -1); 02708 ast_copy_string(chan->exten, p->dtmf_buf, sizeof(chan->exten)); 02709 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02710 ast_set_callerid(chan, 02711 p->hidecallerid ? "" : p->cid_num, 02712 p->hidecallerid ? "" : p->cid_name, 02713 chan->cid.cid_ani ? NULL : p->cid_num); 02714 ast_setstate(chan, AST_STATE_RING); 02715 /*zt_enable_ec(p);*/ 02716 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 02717 p->dtmfmode |= MGCP_DTMF_INBAND; 02718 ast_indicate(chan, -1); 02719 } 02720 res = ast_pbx_run(chan); 02721 if (res) { 02722 ast_log(LOG_WARNING, "PBX exited non-zero\n"); 02723 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02724 /*transmit_notify_request(p, "nbz", 1);*/ 02725 transmit_notify_request(sub, "G/cg"); 02726 } 02727 return NULL; 02728 } 02729 } else { 02730 /* It's a match, but they just typed a digit, and there is an ambiguous match, 02731 so just set the timeout to matchdigittimeout and wait some more */ 02732 timeout = matchdigittimeout; 02733 } 02734 } else if (res == 0) { 02735 ast_log(LOG_DEBUG, "not enough digits (and no ambiguous match)...\n"); 02736 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02737 transmit_notify_request(sub, "G/cg"); 02738 /*zt_wait_event(p->subs[index].zfd);*/ 02739 ast_hangup(chan); 02740 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02741 return NULL; 02742 } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) { 02743 if (option_verbose > 2) { 02744 ast_verbose(VERBOSE_PREFIX_3 "Disabling call waiting on %s\n", chan->name); 02745 } 02746 /* Disable call waiting if enabled */ 02747 p->callwaiting = 0; 02748 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02749 transmit_notify_request(sub, "L/sl"); 02750 len = 0; 02751 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02752 timeout = firstdigittimeout; 02753 } else if (!strcmp(p->dtmf_buf,ast_pickup_ext())) { 02754 /* Scan all channels and see if any there 02755 * ringing channqels with that have call groups 02756 * that equal this channels pickup group 02757 */ 02758 if (ast_pickup_call(chan)) { 02759 ast_log(LOG_WARNING, "No call pickup possible...\n"); 02760 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02761 transmit_notify_request(sub, "G/cg"); 02762 } 02763 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02764 ast_hangup(chan); 02765 return NULL; 02766 } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) { 02767 if (option_verbose > 2) { 02768 ast_verbose(VERBOSE_PREFIX_3 "Disabling Caller*ID on %s\n", chan->name); 02769 } 02770 /* Disable Caller*ID if enabled */ 02771 p->hidecallerid = 1; 02772 ast_set_callerid(chan, "", "", NULL); 02773 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02774 transmit_notify_request(sub, "L/sl"); 02775 len = 0; 02776 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02777 timeout = firstdigittimeout; 02778 } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) { 02779 res = 0; 02780 if (!ast_strlen_zero(p->lastcallerid)) { 02781 res = ast_say_digit_str(chan, p->lastcallerid, "", chan->language); 02782 } 02783 if (!res) 02784 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02785 transmit_notify_request(sub, "L/sl"); 02786 break; 02787 } else if (!strcmp(p->dtmf_buf, "*78")) { 02788 /* Do not disturb */ 02789 if (option_verbose > 2) { 02790 ast_verbose(VERBOSE_PREFIX_3 "Enabled DND on channel %s\n", chan->name); 02791 } 02792 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02793 transmit_notify_request(sub, "L/sl"); 02794 p->dnd = 1; 02795 getforward = 0; 02796 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02797 len = 0; 02798 } else if (!strcmp(p->dtmf_buf, "*79")) { 02799 /* Do not disturb */ 02800 if (option_verbose > 2) { 02801 ast_verbose(VERBOSE_PREFIX_3 "Disabled DND on channel %s\n", chan->name); 02802 } 02803 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02804 transmit_notify_request(sub, "L/sl"); 02805 p->dnd = 0; 02806 getforward = 0; 02807 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02808 len = 0; 02809 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) { 02810 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02811 transmit_notify_request(sub, "L/sl"); 02812 getforward = 1; 02813 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02814 len = 0; 02815 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) { 02816 if (option_verbose > 2) { 02817 ast_verbose(VERBOSE_PREFIX_3 "Cancelling call forwarding on channel %s\n", chan->name); 02818 } 02819 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02820 transmit_notify_request(sub, "L/sl"); 02821 memset(p->call_forward, 0, sizeof(p->call_forward)); 02822 getforward = 0; 02823 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02824 len = 0; 02825 } else if (!strcmp(p->dtmf_buf, ast_parking_ext()) && 02826 sub->next->owner && ast_bridged_channel(sub->next->owner)) { 02827 /* This is a three way call, the main call being a real channel, 02828 and we're parking the first call. */ 02829 ast_masq_park_call(ast_bridged_channel(sub->next->owner), chan, 0, NULL); 02830 if (option_verbose > 2) { 02831 ast_verbose(VERBOSE_PREFIX_3 "Parking call to '%s'\n", chan->name); 02832 } 02833 break; 02834 } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) { 02835 if (option_verbose > 2) { 02836 ast_verbose(VERBOSE_PREFIX_3 "Blacklisting number %s\n", p->lastcallerid); 02837 } 02838 res = ast_db_put("blacklist", p->lastcallerid, "1"); 02839 if (!res) { 02840 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02841 transmit_notify_request(sub, "L/sl"); 02842 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02843 len = 0; 02844 } 02845 } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) { 02846 if (option_verbose > 2) { 02847 ast_verbose(VERBOSE_PREFIX_3 "Enabling Caller*ID on %s\n", chan->name); 02848 } 02849 /* Enable Caller*ID if enabled */ 02850 p->hidecallerid = 0; 02851 ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); 02852 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02853 transmit_notify_request(sub, "L/sl"); 02854 len = 0; 02855 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02856 timeout = firstdigittimeout; 02857 } else if (!ast_canmatch_extension(chan, chan->context, p->dtmf_buf, 1, chan->cid.cid_num) && 02858 ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) { 02859 if (option_debug) 02860 ast_log(LOG_DEBUG, "Can't match %s from '%s' in context %s\n", p->dtmf_buf, chan->cid.cid_num ? chan->cid.cid_num : "<Unknown Caller>", chan->context); 02861 break; 02862 } 02863 if (!timeout) 02864 timeout = gendigittimeout; 02865 if (len && !ast_ignore_pattern(chan->context, p->dtmf_buf)) 02866 /*tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02867 ast_indicate(chan, -1); 02868 } 02869 #if 0 02870 for (;;) { 02871 res = ast_waitfordigit(chan, to); 02872 if (!res) { 02873 ast_log(LOG_DEBUG, "Timeout...\n"); 02874 break; 02875 } 02876 if (res < 0) { 02877 ast_log(LOG_DEBUG, "Got hangup...\n"); 02878 ast_hangup(chan); 02879 break; 02880 } 02881 exten[pos++] = res; 02882 if (!ast_ignore_pattern(chan->context, exten)) 02883 ast_indicate(chan, -1); 02884 if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) { 02885 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) 02886 to = 3000; 02887 else 02888 to = 8000; 02889 } else 02890 break; 02891 } 02892 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) { 02893 ast_copy_string(chan->exten, exten, sizeof(chan->exten)1); 02894 if (!p->rtp) { 02895 start_rtp(p); 02896 } 02897 ast_setstate(chan, AST_STATE_RING); 02898 chan->rings = 1; 02899 if (ast_pbx_run(chan)) { 02900 ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name); 02901 } else { 02902 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02903 return NULL; 02904 } 02905 } 02906 #endif 02907 ast_hangup(chan); 02908 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02909 return NULL; 02910 }
static int mgcp_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | frame | |||
) | [static] |
Definition at line 1231 of file chan_mgcp.c.
References AST_FRAME_IMAGE, AST_FRAME_VOICE, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_write(), ast_frame::frametype, mgcp_subchannel::lock, LOG_WARNING, ast_channel::nativeformats, mgcp_subchannel::parent, ast_channel::readformat, mgcp_subchannel::rtp, mgcp_endpoint::singlepath, mgcp_endpoint::sub, ast_frame::subclass, ast_channel::tech_pvt, and ast_channel::writeformat.
01232 { 01233 struct mgcp_subchannel *sub = ast->tech_pvt; 01234 int res = 0; 01235 if (frame->frametype != AST_FRAME_VOICE) { 01236 if (frame->frametype == AST_FRAME_IMAGE) 01237 return 0; 01238 else { 01239 ast_log(LOG_WARNING, "Can't send %d type frames with MGCP write\n", frame->frametype); 01240 return 0; 01241 } 01242 } else { 01243 if (!(frame->subclass & ast->nativeformats)) { 01244 ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", 01245 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat); 01246 return -1; 01247 } 01248 } 01249 if (sub) { 01250 ast_mutex_lock(&sub->lock); 01251 if ((sub->parent->sub == sub) || !sub->parent->singlepath) { 01252 if (sub->rtp) { 01253 res = ast_rtp_write(sub->rtp, frame); 01254 } 01255 } 01256 ast_mutex_unlock(&sub->lock); 01257 } 01258 return res; 01259 }
static int mgcpsock_read | ( | int * | id, | |
int | fd, | |||
short | events, | |||
void * | ignore | |||
) | [static] |
Definition at line 3349 of file chan_mgcp.c.
References ast_inet_ntoa(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_SCHED_DEL, ast_strlen_zero(), ast_verbose(), errno, find_and_retrans(), find_subchannel_and_lock(), free, handle_request(), handle_response(), len, mgcp_subchannel::lock, LOG_DEBUG, LOG_NOTICE, LOG_WARNING, mgcpsock, 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, and mgcp_message::seqno.
Referenced by do_monitor().
03350 { 03351 struct mgcp_request req; 03352 struct sockaddr_in sin; 03353 struct mgcp_subchannel *sub; 03354 int res; 03355 socklen_t len; 03356 int result; 03357 int ident; 03358 len = sizeof(sin); 03359 memset(&req, 0, sizeof(req)); 03360 res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len); 03361 if (res < 0) { 03362 if (errno != ECONNREFUSED) 03363 ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno)); 03364 return 1; 03365 } 03366 req.data[res] = '\0'; 03367 req.len = res; 03368 if (mgcpdebug) { 03369 ast_verbose("MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 03370 } 03371 parse(&req); 03372 if (req.headers < 1) { 03373 /* Must have at least one header */ 03374 return 1; 03375 } 03376 if (ast_strlen_zero(req.identifier)) { 03377 ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr)); 03378 return 1; 03379 } 03380 03381 if (sscanf(req.verb, "%d", &result) && sscanf(req.identifier, "%d", &ident)) { 03382 /* Try to find who this message is for, if it's important */ 03383 sub = find_subchannel_and_lock(NULL, ident, &sin); 03384 if (sub) { 03385 struct mgcp_gateway *gw = sub->parent->parent; 03386 struct mgcp_message *cur, *prev; 03387 03388 ast_mutex_unlock(&sub->lock); 03389 ast_mutex_lock(&gw->msgs_lock); 03390 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 03391 if (cur->seqno == ident) { 03392 ast_log(LOG_DEBUG, "Got response back on transaction %d\n", ident); 03393 if (prev) 03394 prev->next = cur->next; 03395 else 03396 gw->msgs = cur->next; 03397 break; 03398 } 03399 } 03400 03401 /* stop retrans timer if the queue is empty */ 03402 if (!gw->msgs) { 03403 AST_SCHED_DEL(sched, gw->retransid); 03404 } 03405 03406 ast_mutex_unlock(&gw->msgs_lock); 03407 if (cur) { 03408 handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req); 03409 free(cur); 03410 return 1; 03411 } 03412 03413 ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n", 03414 gw->name, ident); 03415 } 03416 } else { 03417 if (ast_strlen_zero(req.endpoint) || 03418 ast_strlen_zero(req.version) || 03419 ast_strlen_zero(req.verb)) { 03420 ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n"); 03421 return 1; 03422 } 03423 /* Process request, with iflock held */ 03424 sub = find_subchannel_and_lock(req.endpoint, 0, &sin); 03425 if (sub) { 03426 /* look first to find a matching response in the queue */ 03427 if (!find_and_retrans(sub, &req)) 03428 /* pass the request off to the currently mastering subchannel */ 03429 handle_request(sub, &req, &sin); 03430 ast_mutex_unlock(&sub->lock); 03431 } 03432 } 03433 return 1; 03434 }
static void parse | ( | struct mgcp_request * | req | ) | [static] |
Definition at line 1732 of file chan_mgcp.c.
References ast_log(), ast_strlen_zero(), ast_verbose(), 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, mgcpdebug, mgcp_request::verb, and mgcp_request::version.
Referenced by __login_exec(), acf_channel_read(), add_agent(), app_exec(), aqm_exec(), ast_hint_state_changed(), ast_parse_allow_disallow(), astman_get_variables(), cut_internal(), dictate_exec(), directory_exec(), find_conf(), function_agent(), get_in_brackets(), isAnsweringMachine(), mgcpsock_read(), mixmonitor_exec(), pbx_builtin_background(), pbx_builtin_saydate(), pbx_builtin_saytime(), pbx_builtin_waitexten(), pqm_exec(), privacy_exec(), ql_exec(), queue_exec(), reload_agents(), reload_queues(), rqm_exec(), sayunixtime_exec(), sendimage_exec(), sendtext_exec(), smdi_msg_read(), smdi_msg_retrieve_read(), transfer_exec(), upqm_exec(), userevent_exec(), and vm_execmain().
01733 { 01734 /* Divide fields by NULL's */ 01735 char *c; 01736 int f = 0; 01737 c = req->data; 01738 01739 /* First header starts immediately */ 01740 req->header[f] = c; 01741 while(*c) { 01742 if (*c == '\n') { 01743 /* We've got a new header */ 01744 *c = 0; 01745 #if 0 01746 printf("Header: %s (%d)\n", req->header[f], strlen(req->header[f])); 01747 #endif 01748 if (ast_strlen_zero(req->header[f])) { 01749 /* Line by itself means we're now in content */ 01750 c++; 01751 break; 01752 } 01753 if (f >= MGCP_MAX_HEADERS - 1) { 01754 ast_log(LOG_WARNING, "Too many MGCP headers...\n"); 01755 } else 01756 f++; 01757 req->header[f] = c + 1; 01758 } else if (*c == '\r') { 01759 /* Ignore but eliminate \r's */ 01760 *c = 0; 01761 } 01762 c++; 01763 } 01764 /* Check for last header */ 01765 if (!ast_strlen_zero(req->header[f])) 01766 f++; 01767 req->headers = f; 01768 /* Now we process any mime content */ 01769 f = 0; 01770 req->line[f] = c; 01771 while(*c) { 01772 if (*c == '\n') { 01773 /* We've got a new line */ 01774 *c = 0; 01775 #if 0 01776 printf("Line: %s (%d)\n", req->line[f], strlen(req->line[f])); 01777 #endif 01778 if (f >= MGCP_MAX_LINES - 1) { 01779 ast_log(LOG_WARNING, "Too many SDP lines...\n"); 01780 } else 01781 f++; 01782 req->line[f] = c + 1; 01783 } else if (*c == '\r') { 01784 /* Ignore and eliminate \r's */ 01785 *c = 0; 01786 } 01787 c++; 01788 } 01789 /* Check for last line */ 01790 if (!ast_strlen_zero(req->line[f])) 01791 f++; 01792 req->lines = f; 01793 /* Parse up the initial header */ 01794 c = req->header[0]; 01795 while(*c && *c < 33) c++; 01796 /* First the verb */ 01797 req->verb = c; 01798 while(*c && (*c > 32)) c++; 01799 if (*c) { 01800 *c = '\0'; 01801 c++; 01802 while(*c && (*c < 33)) c++; 01803 req->identifier = c; 01804 while(*c && (*c > 32)) c++; 01805 if (*c) { 01806 *c = '\0'; 01807 c++; 01808 while(*c && (*c < 33)) c++; 01809 req->endpoint = c; 01810 while(*c && (*c > 32)) c++; 01811 if (*c) { 01812 *c = '\0'; 01813 c++; 01814 while(*c && (*c < 33)) c++; 01815 req->version = c; 01816 while(*c && (*c > 32)) c++; 01817 while(*c && (*c < 33)) c++; 01818 while(*c && (*c > 32)) c++; 01819 *c = '\0'; 01820 } 01821 } 01822 } 01823 01824 if (mgcpdebug) { 01825 ast_verbose("Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n", 01826 req->verb, req->identifier, req->endpoint, req->version); 01827 ast_verbose("%d headers, %d lines\n", req->headers, req->lines); 01828 } 01829 if (*c) 01830 ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c); 01831 }
static int process_sdp | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 1833 of file chan_mgcp.c.
References ahp, ast_gethostbyname(), ast_inet_ntoa(), ast_log(), ast_rtp_get_current_formats(), ast_rtp_pt_clear(), ast_rtp_set_m_type(), ast_rtp_set_peer(), ast_rtp_set_rtpmap_type(), ast_strdupa, ast_strlen_zero(), ast_verbose(), capability, mgcp_endpoint::capability, get_sdp(), get_sdp_iterate(), hp, len, LOG_WARNING, mgcpdebug, mgcp_endpoint::nonCodecCapability, nonCodecCapability, mgcp_subchannel::parent, portno, mgcp_subchannel::rtp, sdpLineNum_iterator_init(), and mgcp_endpoint::sub.
Referenced by handle_request(), handle_request_invite(), handle_response(), and handle_response_invite().
01834 { 01835 char *m; 01836 char *c; 01837 char *a; 01838 char host[258]; 01839 int len; 01840 int portno; 01841 int peercapability, peerNonCodecCapability; 01842 struct sockaddr_in sin; 01843 char *codecs; 01844 struct ast_hostent ahp; struct hostent *hp; 01845 int codec, codec_count=0; 01846 int iterator; 01847 struct mgcp_endpoint *p = sub->parent; 01848 01849 /* Get codec and RTP info from SDP */ 01850 m = get_sdp(req, "m"); 01851 c = get_sdp(req, "c"); 01852 if (ast_strlen_zero(m) || ast_strlen_zero(c)) { 01853 ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c); 01854 return -1; 01855 } 01856 if (sscanf(c, "IN IP4 %256s", host) != 1) { 01857 ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c); 01858 return -1; 01859 } 01860 /* XXX This could block for a long time, and block the main thread! XXX */ 01861 hp = ast_gethostbyname(host, &ahp); 01862 if (!hp) { 01863 ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); 01864 return -1; 01865 } 01866 if (sscanf(m, "audio %d RTP/AVP %n", &portno, &len) != 1) { 01867 ast_log(LOG_WARNING, "Unable to determine port number for RTP in '%s'\n", m); 01868 return -1; 01869 } 01870 sin.sin_family = AF_INET; 01871 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01872 sin.sin_port = htons(portno); 01873 ast_rtp_set_peer(sub->rtp, &sin); 01874 #if 0 01875 printf("Peer RTP is at port %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 01876 #endif 01877 /* Scan through the RTP payload types specified in a "m=" line: */ 01878 ast_rtp_pt_clear(sub->rtp); 01879 codecs = ast_strdupa(m + len); 01880 while (!ast_strlen_zero(codecs)) { 01881 if (sscanf(codecs, "%d%n", &codec, &len) != 1) { 01882 if (codec_count) 01883 break; 01884 ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs); 01885 return -1; 01886 } 01887 ast_rtp_set_m_type(sub->rtp, codec); 01888 codec_count++; 01889 codecs += len; 01890 } 01891 01892 /* Next, scan through each "a=rtpmap:" line, noting each */ 01893 /* specified RTP payload type (with corresponding MIME subtype): */ 01894 sdpLineNum_iterator_init(&iterator); 01895 while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { 01896 char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */ 01897 if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) 01898 continue; 01899 /* Note: should really look at the 'freq' and '#chans' params too */ 01900 ast_rtp_set_rtpmap_type(sub->rtp, codec, "audio", mimeSubtype, 0); 01901 } 01902 01903 /* Now gather all of the codecs that were asked for: */ 01904 ast_rtp_get_current_formats(sub->rtp, &peercapability, &peerNonCodecCapability); 01905 p->capability = capability & peercapability; 01906 if (mgcpdebug) { 01907 ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n", 01908 capability, peercapability, p->capability); 01909 ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n", 01910 nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability); 01911 } 01912 if (!p->capability) { 01913 ast_log(LOG_WARNING, "No compatible codecs!\n"); 01914 return -1; 01915 } 01916 return 0; 01917 }
static void prune_gateways | ( | void | ) | [static] |
Definition at line 4070 of file chan_mgcp.c.
References ast_mutex_lock(), mgcp_gateway::delme, mgcp_endpoint::delme, destroy_endpoint(), mgcp_gateway::endpoints, gateways, mgcp_endpoint::next, and t.
Referenced by reload_config(), and unload_module().
04071 { 04072 struct mgcp_gateway *g, *z, *r; 04073 struct mgcp_endpoint *e, *p, *t; 04074 04075 ast_mutex_lock(&gatelock); 04076 04077 /* prune gateways */ 04078 for (z = NULL, g = gateways; g;) { 04079 /* prune endpoints */ 04080 for (p = NULL, e = g->endpoints; e; ) { 04081 if (e->delme || g->delme) { 04082 t = e; 04083 e = e->next; 04084 if (!p) 04085 g->endpoints = e; 04086 else 04087 p->next = e; 04088 destroy_endpoint(t); 04089 } else { 04090 p = e; 04091 e = e->next; 04092 } 04093 } 04094 04095 if (g->delme) { 04096 r = g; 04097 g = g->next; 04098 if (!z) 04099 gateways = g; 04100 else 04101 z->next = g; 04102 04103 destroy_gateway(r); 04104 } else { 04105 z = g; 04106 g = g->next; 04107 } 04108 } 04109 04110 ast_mutex_unlock(&gatelock); 04111 }
static int reload | ( | void | ) | [static] |
Definition at line 4353 of file chan_mgcp.c.
References mgcp_reload().
04354 { 04355 mgcp_reload(0, 0, NULL); 04356 return 0; 04357 }
static int reload_config | ( | void | ) | [static] |
Definition at line 4113 of file chan_mgcp.c.
References __ourip, ahp, 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_sched_runq(), ast_variable_browse(), ast_verbose(), bindaddr, build_gateway(), capability, config, default_jbconf, DEFAULT_MGCP_CA_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, dtmfmode, mgcp_gateway::endpoints, errno, format, gateways, global_jbconf, hp, io, IPTOS_MINCOST, ast_variable::lineno, LOG_NOTICE, LOG_WARNING, mgcpsock, mgcpsock_read_id, monitor_thread, mgcp_endpoint::name, mgcp_gateway::name, ast_variable::name, mgcp_endpoint::needaudit, mgcp_gateway::next, mgcp_endpoint::next, ast_variable::next, option_verbose, ourhost, ourport, prune_gateways(), tos, transmit_audit_endpoint(), ast_variable::value, VERBOSE_PREFIX_2, and VERBOSE_PREFIX_3.
04114 { 04115 struct ast_config *cfg; 04116 struct ast_variable *v; 04117 struct mgcp_gateway *g; 04118 struct mgcp_endpoint *e; 04119 char *cat; 04120 struct ast_hostent ahp; 04121 struct hostent *hp; 04122 int format; 04123 04124 if (gethostname(ourhost, sizeof(ourhost)-1)) { 04125 ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n"); 04126 return 0; 04127 } 04128 cfg = ast_config_load(config); 04129 04130 /* We *must* have a config file otherwise stop immediately */ 04131 if (!cfg) { 04132 ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config); 04133 return 0; 04134 } 04135 memset(&bindaddr, 0, sizeof(bindaddr)); 04136 dtmfmode = 0; 04137 04138 /* Copy the default jb config over global_jbconf */ 04139 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 04140 04141 v = ast_variable_browse(cfg, "general"); 04142 while (v) { 04143 /* handle jb conf */ 04144 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) { 04145 v = v->next; 04146 continue; 04147 } 04148 04149 /* Create the interface list */ 04150 if (!strcasecmp(v->name, "bindaddr")) { 04151 if (!(hp = ast_gethostbyname(v->value, &ahp))) { 04152 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); 04153 } else { 04154 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 04155 } 04156 } else if (!strcasecmp(v->name, "allow")) { 04157 format = ast_getformatbyname(v->value); 04158 if (format < 1) 04159 ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value); 04160 else 04161 capability |= format; 04162 } else if (!strcasecmp(v->name, "disallow")) { 04163 format = ast_getformatbyname(v->value); 04164 if (format < 1) 04165 ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value); 04166 else 04167 capability &= ~format; 04168 } else if (!strcasecmp(v->name, "tos")) { 04169 if (sscanf(v->value, "%d", &format) == 1) 04170 tos = format & 0xff; 04171 else if (!strcasecmp(v->value, "lowdelay")) 04172 tos = IPTOS_LOWDELAY; 04173 else if (!strcasecmp(v->value, "throughput")) 04174 tos = IPTOS_THROUGHPUT; 04175 else if (!strcasecmp(v->value, "reliability")) 04176 tos = IPTOS_RELIABILITY; 04177 else if (!strcasecmp(v->value, "mincost")) 04178 tos = IPTOS_MINCOST; 04179 else if (!strcasecmp(v->value, "none")) 04180 tos = 0; 04181 else 04182 ast_log(LOG_WARNING, "Invalid tos value at line %d, should be 'lowdelay', 'throughput', 'reliability', 'mincost', or 'none'\n", v->lineno); 04183 } else if (!strcasecmp(v->name, "port")) { 04184 if (sscanf(v->value, "%d", &ourport) == 1) { 04185 bindaddr.sin_port = htons(ourport); 04186 } else { 04187 ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config); 04188 } 04189 } 04190 v = v->next; 04191 } 04192 04193 /* mark existing entries for deletion */ 04194 ast_mutex_lock(&gatelock); 04195 g = gateways; 04196 while (g) { 04197 g->delme = 1; 04198 e = g->endpoints; 04199 while (e) { 04200 e->delme = 1; 04201 e = e->next; 04202 } 04203 g = g->next; 04204 } 04205 ast_mutex_unlock(&gatelock); 04206 04207 cat = ast_category_browse(cfg, NULL); 04208 while(cat) { 04209 if (strcasecmp(cat, "general")) { 04210 ast_mutex_lock(&gatelock); 04211 g = build_gateway(cat, ast_variable_browse(cfg, cat)); 04212 if (g) { 04213 if (option_verbose > 2) { 04214 ast_verbose(VERBOSE_PREFIX_3 "Added gateway '%s'\n", g->name); 04215 } 04216 g->next = gateways; 04217 gateways = g; 04218 } 04219 ast_mutex_unlock(&gatelock); 04220 04221 /* FS: process queue and IO */ 04222 if (monitor_thread == pthread_self()) { 04223 if (sched) ast_sched_runq(sched); 04224 if (io) ast_io_wait(io, 10); 04225 } 04226 } 04227 cat = ast_category_browse(cfg, cat); 04228 } 04229 04230 /* prune deleted entries etc. */ 04231 prune_gateways(); 04232 04233 if (ntohl(bindaddr.sin_addr.s_addr)) { 04234 memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip)); 04235 } else { 04236 hp = ast_gethostbyname(ourhost, &ahp); 04237 if (!hp) { 04238 ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n"); 04239 ast_config_destroy(cfg); 04240 return 0; 04241 } 04242 memcpy(&__ourip, hp->h_addr, sizeof(__ourip)); 04243 } 04244 if (!ntohs(bindaddr.sin_port)) 04245 bindaddr.sin_port = ntohs(DEFAULT_MGCP_CA_PORT); 04246 bindaddr.sin_family = AF_INET; 04247 ast_mutex_lock(&netlock); 04248 if (mgcpsock > -1) 04249 close(mgcpsock); 04250 04251 if (mgcpsock_read_id != NULL) 04252 ast_io_remove(io, mgcpsock_read_id); 04253 mgcpsock_read_id = NULL; 04254 04255 mgcpsock = socket(AF_INET, SOCK_DGRAM, 0); 04256 if (mgcpsock < 0) { 04257 ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno)); 04258 } else { 04259 if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) { 04260 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n", 04261 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port), 04262 strerror(errno)); 04263 close(mgcpsock); 04264 mgcpsock = -1; 04265 } else { 04266 if (option_verbose > 1) { 04267 ast_verbose(VERBOSE_PREFIX_2 "MGCP Listening on %s:%d\n", 04268 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port)); 04269 ast_verbose(VERBOSE_PREFIX_2 "Using TOS bits %d\n", tos); 04270 } 04271 if (setsockopt(mgcpsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) 04272 ast_log(LOG_WARNING, "Unable to set TOS to %d\n", tos); 04273 } 04274 } 04275 ast_mutex_unlock(&netlock); 04276 ast_config_destroy(cfg); 04277 04278 /* send audit only to the new endpoints */ 04279 g = gateways; 04280 while (g) { 04281 e = g->endpoints; 04282 while (e && e->needaudit) { 04283 e->needaudit = 0; 04284 transmit_audit_endpoint(e); 04285 ast_verbose(VERBOSE_PREFIX_3 "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name); 04286 e = e->next; 04287 } 04288 g = g->next; 04289 } 04290 04291 return 0; 04292 }
static int reqprep | ( | struct mgcp_request * | req, | |
struct mgcp_endpoint * | p, | |||
char * | verb | |||
) | [static] |
Definition at line 2010 of file chan_mgcp.c.
References init_req(), and oseq.
Referenced by transmit_audit_endpoint(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_info_with_digit(), transmit_info_with_vidupdate(), transmit_invite(), transmit_message_with_text(), transmit_modify_request(), transmit_notify_request(), transmit_notify_request_with_callerid(), transmit_notify_with_sipfrag(), transmit_refer(), transmit_reinvite_with_sdp(), transmit_reinvite_with_t38_sdp(), transmit_request(), transmit_request_with_auth(), and transmit_state_notify().
02011 { 02012 memset(req, 0, sizeof(struct mgcp_request)); 02013 oseq++; 02014 if (oseq > 999999999) 02015 oseq = 1; 02016 init_req(p, req, verb); 02017 return 0; 02018 }
static int resend_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_response * | resp | |||
) | [static] |
Definition at line 504 of file chan_mgcp.c.
References __mgcp_xmit(), mgcp_gateway::addr, ast_inet_ntoa(), ast_verbose(), mgcp_response::buf, mgcp_response::len, mgcp_endpoint::parent, mgcp_subchannel::parent, and mgcp_endpoint::sub.
Referenced by find_and_retrans().
00505 { 00506 struct mgcp_endpoint *p = sub->parent; 00507 int res; 00508 if (mgcpdebug) { 00509 ast_verbose("Retransmitting:\n%s\n to %s:%d\n", resp->buf, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00510 } 00511 res = __mgcp_xmit(p->parent, resp->buf, resp->len); 00512 if (res > 0) 00513 res = 0; 00514 return res; 00515 }
static int respprep | ( | struct mgcp_request * | resp, | |
struct mgcp_endpoint * | p, | |||
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2003 of file chan_mgcp.c.
References init_resp().
Referenced by __transmit_response(), transmit_response(), transmit_response_with_allow(), transmit_response_with_auth(), transmit_response_with_date(), transmit_response_with_sdp(), transmit_response_with_t38_sdp(), and transmit_response_with_unsupported().
02004 { 02005 memset(resp, 0, sizeof(*resp)); 02006 init_resp(resp, msg, req, msgrest); 02007 return 0; 02008 }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 3524 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, LOG_WARNING, and monitor_thread.
03525 { 03526 /* If we're supposed to be stopped -- stay stopped */ 03527 if (monitor_thread == AST_PTHREADT_STOP) 03528 return 0; 03529 if (ast_mutex_lock(&monlock)) { 03530 ast_log(LOG_WARNING, "Unable to lock monitor\n"); 03531 return -1; 03532 } 03533 if (monitor_thread == pthread_self()) { 03534 ast_mutex_unlock(&monlock); 03535 ast_log(LOG_WARNING, "Cannot kill myself\n"); 03536 return -1; 03537 } 03538 if (monitor_thread != AST_PTHREADT_NULL) { 03539 /* Wake up the thread */ 03540 pthread_kill(monitor_thread, SIGURG); 03541 } else { 03542 /* Start a new monitor */ 03543 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { 03544 ast_mutex_unlock(&monlock); 03545 ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); 03546 return -1; 03547 } 03548 } 03549 ast_mutex_unlock(&monlock); 03550 return 0; 03551 }
static int retrans_pkt | ( | const void * | data | ) | [static] |
Definition at line 607 of file chan_mgcp.c.
References __mgcp_xmit(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), free, handle_response(), LOG_WARNING, MAX_RETRANS, mgcpdebug, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_message::next, mgcp_message::retrans, and mgcp_gateway::retransid.
Referenced by __sip_reliable_xmit(), and mgcp_postrequest().
00608 { 00609 struct mgcp_gateway *gw = (struct mgcp_gateway *)data; 00610 struct mgcp_message *cur, *exq = NULL, *w, *prev; 00611 int res = 0; 00612 00613 /* find out expired msgs */ 00614 ast_mutex_lock(&gw->msgs_lock); 00615 00616 prev = NULL, cur = gw->msgs; 00617 while (cur) { 00618 if (cur->retrans < MAX_RETRANS) { 00619 cur->retrans++; 00620 if (mgcpdebug) { 00621 ast_verbose("Retransmitting #%d transaction %u on [%s]\n", 00622 cur->retrans, cur->seqno, gw->name); 00623 } 00624 __mgcp_xmit(gw, cur->buf, cur->len); 00625 00626 prev = cur; 00627 cur = cur->next; 00628 } else { 00629 if (prev) 00630 prev->next = cur->next; 00631 else 00632 gw->msgs = cur->next; 00633 00634 ast_log(LOG_WARNING, "Maximum retries exceeded for transaction %u on [%s]\n", 00635 cur->seqno, gw->name); 00636 00637 w = cur; 00638 cur = cur->next; 00639 00640 if (exq) { 00641 w->next = exq; 00642 } else { 00643 w->next = NULL; 00644 } 00645 exq = w; 00646 } 00647 } 00648 00649 if (!gw->msgs) { 00650 gw->retransid = -1; 00651 res = 0; 00652 } else { 00653 res = 1; 00654 } 00655 ast_mutex_unlock(&gw->msgs_lock); 00656 00657 while (exq) { 00658 cur = exq; 00659 /* time-out transaction */ 00660 handle_response(cur->owner_ep, cur->owner_sub, 406, cur->seqno, NULL); 00661 exq = exq->next; 00662 free(cur); 00663 } 00664 00665 return res; 00666 }
static void sdpLineNum_iterator_init | ( | int * | iterator | ) | [static] |
static int send_request | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
struct mgcp_request * | req, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 735 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_inet_ntoa(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), mgcp_request::cmd, mgcp_endpoint::cmd_queue, mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cx_queue, mgcp_subchannel::cx_queue_lock, mgcp_request::data, free, mgcp_request::len, LOG_DEBUG, LOG_WARNING, malloc, MGCP_CMD_CRCX, MGCP_CMD_DLCX, MGCP_CMD_MDCX, MGCP_CMD_RQNT, mgcp_postrequest(), mgcpdebug, mgcp_request::next, mgcp_endpoint::parent, mgcp_endpoint::rqnt_queue, mgcp_endpoint::rqnt_queue_lock, mgcp_endpoint::slowsequence, and t.
Referenced by transmit_audit_endpoint(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_info_with_digit(), transmit_info_with_vidupdate(), transmit_invite(), transmit_message_with_text(), transmit_modify_request(), transmit_notify_request(), transmit_notify_request_with_callerid(), transmit_notify_with_mwi(), transmit_notify_with_sipfrag(), transmit_refer(), transmit_register(), transmit_reinvite_with_sdp(), transmit_reinvite_with_t38_sdp(), transmit_request(), transmit_request_with_auth(), transmit_sip_request(), and transmit_state_notify().
00737 { 00738 int res = 0; 00739 struct mgcp_request **queue, *q, *r, *t; 00740 ast_mutex_t *l; 00741 00742 ast_log(LOG_DEBUG, "Slow sequence is %d\n", p->slowsequence); 00743 if (p->slowsequence) { 00744 queue = &p->cmd_queue; 00745 l = &p->cmd_queue_lock; 00746 ast_mutex_lock(l); 00747 } else { 00748 switch (req->cmd) { 00749 case MGCP_CMD_DLCX: 00750 queue = &sub->cx_queue; 00751 l = &sub->cx_queue_lock; 00752 ast_mutex_lock(l); 00753 q = sub->cx_queue; 00754 /* delete pending cx cmds */ 00755 while (q) { 00756 r = q->next; 00757 free(q); 00758 q = r; 00759 } 00760 *queue = NULL; 00761 break; 00762 00763 case MGCP_CMD_CRCX: 00764 case MGCP_CMD_MDCX: 00765 queue = &sub->cx_queue; 00766 l = &sub->cx_queue_lock; 00767 ast_mutex_lock(l); 00768 break; 00769 00770 case MGCP_CMD_RQNT: 00771 queue = &p->rqnt_queue; 00772 l = &p->rqnt_queue_lock; 00773 ast_mutex_lock(l); 00774 break; 00775 00776 default: 00777 queue = &p->cmd_queue; 00778 l = &p->cmd_queue_lock; 00779 ast_mutex_lock(l); 00780 break; 00781 } 00782 } 00783 00784 r = (struct mgcp_request *) malloc (sizeof(struct mgcp_request)); 00785 if (!r) { 00786 ast_log(LOG_WARNING, "Cannot post MGCP request: insufficient memory\n"); 00787 ast_mutex_unlock(l); 00788 return -1; 00789 } 00790 memcpy(r, req, sizeof(struct mgcp_request)); 00791 00792 if (!(*queue)) { 00793 if (mgcpdebug) { 00794 ast_verbose("Posting Request:\n%s to %s:%d\n", req->data, 00795 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00796 } 00797 00798 res = mgcp_postrequest(p, sub, req->data, req->len, seqno); 00799 } else { 00800 if (mgcpdebug) { 00801 ast_verbose("Queueing Request:\n%s to %s:%d\n", req->data, 00802 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00803 } 00804 } 00805 00806 /* XXX find tail. We could also keep tail in the data struct for faster access */ 00807 for (t = *queue; t && t->next; t = t->next); 00808 00809 r->next = NULL; 00810 if (t) 00811 t->next = r; 00812 else 00813 *queue = r; 00814 00815 ast_mutex_unlock(l); 00816 00817 return res; 00818 }
static int send_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 517 of file chan_mgcp.c.
References __mgcp_xmit(), mgcp_gateway::addr, ast_inet_ntoa(), ast_verbose(), mgcp_request::data, mgcp_request::len, mgcp_endpoint::parent, mgcp_subchannel::parent, and mgcp_endpoint::sub.
Referenced by __transmit_response(), transmit_response(), transmit_response_with_allow(), transmit_response_with_auth(), transmit_response_with_date(), transmit_response_with_sdp(), transmit_response_with_t38_sdp(), and transmit_response_with_unsupported().
00518 { 00519 struct mgcp_endpoint *p = sub->parent; 00520 int res; 00521 if (mgcpdebug) { 00522 ast_verbose("Transmitting:\n%s\n to %s:%d\n", req->data, ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00523 } 00524 res = __mgcp_xmit(p->parent, req->data, req->len); 00525 if (res > 0) 00526 res = 0; 00527 return res; 00528 }
static void start_rtp | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2621 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), ast_random(), ast_rtp_destroy(), ast_rtp_fd(), ast_rtp_new_with_bindaddr(), ast_rtp_set_callback(), ast_rtp_set_data(), ast_rtp_setnat(), bindaddr, mgcp_subchannel::callid, ast_channel::fds, io, mgcp_subchannel::lock, mgcp_subchannel::nat, mgcp_subchannel::owner, mgcp_subchannel::rtp, transmit_connect_with_sdp(), and mgcp_subchannel::txident.
Referenced by handle_hd_hf(), handle_offhook_message(), handle_response(), handle_soft_key_event_message(), handle_stimulus_message(), mgcp_answer(), mgcp_call(), mgcp_ss(), skinny_answer(), and skinny_newcall().
02622 { 02623 ast_mutex_lock(&sub->lock); 02624 /* check again to be on the safe side */ 02625 if (sub->rtp) { 02626 ast_rtp_destroy(sub->rtp); 02627 sub->rtp = NULL; 02628 } 02629 /* Allocate the RTP now */ 02630 sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr); 02631 if (sub->rtp && sub->owner) 02632 sub->owner->fds[0] = ast_rtp_fd(sub->rtp); 02633 if (sub->rtp) 02634 ast_rtp_setnat(sub->rtp, sub->nat); 02635 #if 0 02636 ast_rtp_set_callback(p->rtp, rtpready); 02637 ast_rtp_set_data(p->rtp, p); 02638 #endif 02639 /* Make a call*ID */ 02640 snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", ast_random(), sub->txident); 02641 /* Transmit the connection create */ 02642 transmit_connect_with_sdp(sub, NULL); 02643 ast_mutex_unlock(&sub->lock); 02644 }
static int transmit_audit_endpoint | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 2330 of file chan_mgcp.c.
References add_header(), mgcp_request::cmd, MGCP_CMD_AUEP, oseq, reqprep(), send_request(), and mgcp_request::trid.
Referenced by handle_request(), mgcp_audit_endpoint(), and reload_config().
02331 { 02332 struct mgcp_request resp; 02333 reqprep(&resp, p, "AUEP"); 02334 /* removed unknown param VS */ 02335 /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/ 02336 add_header(&resp, "F", "A"); 02337 /* fill in new fields */ 02338 resp.cmd = MGCP_CMD_AUEP; 02339 resp.trid = oseq; 02340 return send_request(p, NULL, &resp, oseq); /* SC */ 02341 }
static int transmit_connect_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2176 of file chan_mgcp.c.
References AST_FORMAT_MAX_AUDIO, ast_rtp_lookup_mime_subtype(), mgcp_endpoint::capability, mgcp_subchannel::parent, and mgcp_endpoint::sub.
Referenced by start_rtp().
02177 { 02178 struct mgcp_request resp; 02179 char local[256]; 02180 char tmp[80]; 02181 int x; 02182 struct mgcp_endpoint *p = sub->parent; 02183 02184 snprintf(local, sizeof(local), "p:20"); 02185 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02186 if (p->capability & x) { 02187 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02188 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02189 } 02190 } 02191 if (mgcpdebug) { 02192 ast_verbose(VERBOSE_PREFIX_3 "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02193 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02194 } 02195 reqprep(&resp, p, "CRCX"); 02196 add_header(&resp, "C", sub->callid); 02197 add_header(&resp, "L", local); 02198 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02199 /* X header should not be sent. kept for compatibility */ 02200 add_header(&resp, "X", sub->txident); 02201 /*add_header(&resp, "S", "");*/ 02202 add_sdp(&resp, sub, rtp); 02203 /* fill in new fields */ 02204 resp.cmd = MGCP_CMD_CRCX; 02205 resp.trid = oseq; 02206 return send_request(p, sub, &resp, oseq); /* SC */ 02207 }
static int transmit_connection_del | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2343 of file chan_mgcp.c.
References add_header(), ast_verbose(), mgcp_subchannel::callid, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_subchannel::id, MGCP_CMD_DLCX, mgcp_cxmodes, mgcp_gateway::name, mgcp_endpoint::name, oseq, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_endpoint::sub, mgcp_request::trid, mgcp_subchannel::txident, and VERBOSE_PREFIX_3.
Referenced by destroy_endpoint(), handle_request(), handle_response(), mgcp_hangup(), and unalloc_sub().
02344 { 02345 struct mgcp_endpoint *p = sub->parent; 02346 struct mgcp_request resp; 02347 02348 if (mgcpdebug) { 02349 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n", 02350 sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02351 } 02352 reqprep(&resp, p, "DLCX"); 02353 /* check if call id is avail */ 02354 if (sub->callid[0]) 02355 add_header(&resp, "C", sub->callid); 02356 /* X header should not be sent. kept for compatibility */ 02357 add_header(&resp, "X", sub->txident); 02358 /* check if cxident is avail */ 02359 if (sub->cxident[0]) 02360 add_header(&resp, "I", sub->cxident); 02361 /* fill in new fields */ 02362 resp.cmd = MGCP_CMD_DLCX; 02363 resp.trid = oseq; 02364 return send_request(p, sub, &resp, oseq); /* SC */ 02365 }
static int transmit_connection_del_w_params | ( | struct mgcp_endpoint * | p, | |
char * | callid, | |||
char * | cxident | |||
) | [static] |
Definition at line 2367 of file chan_mgcp.c.
References add_header(), ast_verbose(), MGCP_CMD_DLCX, mgcp_gateway::name, mgcp_endpoint::name, oseq, mgcp_endpoint::parent, reqprep(), send_request(), mgcp_endpoint::sub, and VERBOSE_PREFIX_3.
Referenced by handle_response().
02368 { 02369 struct mgcp_request resp; 02370 02371 if (mgcpdebug) { 02372 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s on callid: %s\n", 02373 cxident ? cxident : "", p->name, p->parent->name, callid ? callid : ""); 02374 } 02375 reqprep(&resp, p, "DLCX"); 02376 /* check if call id is avail */ 02377 if (callid && *callid) 02378 add_header(&resp, "C", callid); 02379 /* check if cxident is avail */ 02380 if (cxident && *cxident) 02381 add_header(&resp, "I", cxident); 02382 /* fill in new fields */ 02383 resp.cmd = MGCP_CMD_DLCX; 02384 resp.trid = oseq; 02385 return send_request(p, p->sub, &resp, oseq); 02386 }
static int transmit_modify_request | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2285 of file chan_mgcp.c.
References add_header(), add_header_offhook(), ast_strlen_zero(), ast_verbose(), mgcp_subchannel::callid, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_MDCX, mgcp_cxmodes, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, oseq, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_endpoint::sub, mgcp_request::trid, mgcp_subchannel::txident, and VERBOSE_PREFIX_3.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), mgcp_call(), and mgcp_hangup().
02286 { 02287 struct mgcp_request resp; 02288 struct mgcp_endpoint *p = sub->parent; 02289 02290 if (ast_strlen_zero(sub->cxident)) { 02291 /* We don't have a CXident yet, store the destination and 02292 wait a bit */ 02293 return 0; 02294 } 02295 if (mgcpdebug) { 02296 ast_verbose(VERBOSE_PREFIX_3 "Modified %s@%s-%d with new mode: %s on callid: %s\n", 02297 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02298 } 02299 reqprep(&resp, p, "MDCX"); 02300 add_header(&resp, "C", sub->callid); 02301 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02302 /* X header should not be sent. kept for compatibility */ 02303 add_header(&resp, "X", sub->txident); 02304 add_header(&resp, "I", sub->cxident); 02305 switch (sub->parent->hookstate) { 02306 case MGCP_ONHOOK: 02307 add_header(&resp, "R", "L/hd(N)"); 02308 break; 02309 case MGCP_OFFHOOK: 02310 add_header_offhook(sub, &resp); 02311 break; 02312 } 02313 /* fill in new fields */ 02314 resp.cmd = MGCP_CMD_MDCX; 02315 resp.trid = oseq; 02316 return send_request(p, sub, &resp, oseq); /* SC */ 02317 }
static int transmit_modify_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp, | |||
int | codecs | |||
) | [static] |
Definition at line 2136 of file chan_mgcp.c.
References AST_FORMAT_MAX_AUDIO, ast_rtp_get_peer(), ast_rtp_lookup_mime_subtype(), ast_strlen_zero(), mgcp_endpoint::capability, capability, mgcp_subchannel::cxident, mgcp_subchannel::parent, mgcp_endpoint::sub, and mgcp_subchannel::tmpdest.
Referenced by handle_response(), and mgcp_set_rtp_peer().
02137 { 02138 struct mgcp_request resp; 02139 char local[256]; 02140 char tmp[80]; 02141 int x; 02142 int capability; 02143 struct mgcp_endpoint *p = sub->parent; 02144 02145 capability = p->capability; 02146 if (codecs) 02147 capability = codecs; 02148 if (ast_strlen_zero(sub->cxident) && rtp) { 02149 /* We don't have a CXident yet, store the destination and 02150 wait a bit */ 02151 ast_rtp_get_peer(rtp, &sub->tmpdest); 02152 return 0; 02153 } 02154 snprintf(local, sizeof(local), "p:20"); 02155 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02156 if (p->capability & x) { 02157 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02158 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02159 } 02160 } 02161 reqprep(&resp, p, "MDCX"); 02162 add_header(&resp, "C", sub->callid); 02163 add_header(&resp, "L", local); 02164 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02165 /* X header should not be sent. kept for compatibility */ 02166 add_header(&resp, "X", sub->txident); 02167 add_header(&resp, "I", sub->cxident); 02168 /*add_header(&resp, "S", "");*/ 02169 add_sdp(&resp, sub, rtp); 02170 /* fill in new fields */ 02171 resp.cmd = MGCP_CMD_MDCX; 02172 resp.trid = oseq; 02173 return send_request(p, sub, &resp, oseq); /* SC */ 02174 }
static int transmit_notify_request | ( | struct mgcp_subchannel * | sub, | |
char * | tone | |||
) | [static] |
Definition at line 2209 of file chan_mgcp.c.
References add_header(), add_header_offhook(), ast_strlen_zero(), ast_verbose(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_RQNT, mgcp_cxmodes, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, oseq, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, send_request(), mgcp_endpoint::sub, mgcp_request::trid, and VERBOSE_PREFIX_3.
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().
02210 { 02211 struct mgcp_request resp; 02212 struct mgcp_endpoint *p = sub->parent; 02213 02214 if (mgcpdebug) { 02215 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02216 tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02217 } 02218 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02219 reqprep(&resp, p, "RQNT"); 02220 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02221 switch (p->hookstate) { 02222 case MGCP_ONHOOK: 02223 add_header(&resp, "R", "L/hd(N)"); 02224 break; 02225 case MGCP_OFFHOOK: 02226 add_header_offhook(sub, &resp); 02227 break; 02228 } 02229 if (!ast_strlen_zero(tone)) { 02230 add_header(&resp, "S", tone); 02231 } 02232 /* fill in new fields */ 02233 resp.cmd = MGCP_CMD_RQNT; 02234 resp.trid = oseq; 02235 return send_request(p, NULL, &resp, oseq); /* SC */ 02236 }
static int transmit_notify_request_with_callerid | ( | struct mgcp_subchannel * | sub, | |
char * | tone, | |||
char * | callernum, | |||
char * | callername | |||
) | [static] |
Definition at line 2238 of file chan_mgcp.c.
References add_header(), add_header_offhook(), ast_localtime(), ast_strlen_zero(), ast_verbose(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_endpoint::lastcallerid, MGCP_CMD_RQNT, mgcp_cxmodes, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, oseq, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, send_request(), mgcp_endpoint::sub, t, mgcp_request::trid, and VERBOSE_PREFIX_3.
Referenced by mgcp_call(), and mgcp_hangup().
02239 { 02240 struct mgcp_request resp; 02241 char tone2[256]; 02242 char *l, *n; 02243 time_t t; 02244 struct tm tm; 02245 struct mgcp_endpoint *p = sub->parent; 02246 02247 time(&t); 02248 ast_localtime(&t, &tm, NULL); 02249 n = callername; 02250 l = callernum; 02251 if (!n) 02252 n = ""; 02253 if (!l) 02254 l = ""; 02255 02256 /* Keep track of last callerid for blacklist and callreturn */ 02257 ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid)); 02258 02259 snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone, 02260 tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n); 02261 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02262 reqprep(&resp, p, "RQNT"); 02263 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02264 switch (p->hookstate) { 02265 case MGCP_ONHOOK: 02266 add_header(&resp, "R", "L/hd(N)"); 02267 break; 02268 case MGCP_OFFHOOK: 02269 add_header_offhook(sub, &resp); 02270 break; 02271 } 02272 if (!ast_strlen_zero(tone2)) { 02273 add_header(&resp, "S", tone2); 02274 } 02275 if (mgcpdebug) { 02276 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02277 tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02278 } 02279 /* fill in new fields */ 02280 resp.cmd = MGCP_CMD_RQNT; 02281 resp.trid = oseq; 02282 return send_request(p, NULL, &resp, oseq); /* SC */ 02283 }
static int transmit_response | ( | struct mgcp_subchannel * | sub, | |
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 2020 of file chan_mgcp.c.
References mgcp_request::data, mgcp_request::identifier, mgcp_request::len, malloc, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_gateway::responses, respprep(), send_response(), and mgcp_endpoint::sub.
Referenced by handle_invite_replaces(), handle_keep_alive_message(), handle_line_state_req_message(), handle_open_receive_channel_ack_message(), handle_register_message(), handle_request(), handle_request_bye(), handle_request_cancel(), handle_request_info(), handle_request_invite(), handle_request_message(), handle_request_notify(), handle_request_refer(), handle_request_subscribe(), handle_server_request_message(), handle_soft_key_set_req_message(), handle_soft_key_template_req_message(), handle_speed_dial_stat_req_message(), handle_time_date_req_message(), handle_version_req_message(), local_attended_transfer(), receive_message(), register_verify(), sip_indicate(), sip_park_thread(), sipsock_read(), skinny_hold(), skinny_reset_device(), skinny_unhold(), transmit_callinfo(), transmit_callstate(), transmit_connect(), transmit_dialednumber(), transmit_displaymessage(), transmit_displaynotify(), transmit_displaypromptstatus(), transmit_lamp_indication(), transmit_ringer_mode(), transmit_selectsoftkeys(), transmit_speaker_mode(), and transmit_tone().
02021 { 02022 struct mgcp_request resp; 02023 struct mgcp_endpoint *p = sub->parent; 02024 struct mgcp_response *mgr; 02025 02026 respprep(&resp, p, msg, req, msgrest); 02027 mgr = malloc(sizeof(struct mgcp_response) + resp.len + 1); 02028 if (mgr) { 02029 /* Store MGCP response in case we have to retransmit */ 02030 memset(mgr, 0, sizeof(struct mgcp_response)); 02031 sscanf(req->identifier, "%d", &mgr->seqno); 02032 time(&mgr->whensent); 02033 mgr->len = resp.len; 02034 memcpy(mgr->buf, resp.data, resp.len); 02035 mgr->buf[resp.len] = '\0'; 02036 mgr->next = p->parent->responses; 02037 p->parent->responses = mgr; 02038 } 02039 return send_response(sub, &resp); 02040 }
static int unalloc_sub | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 463 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_log(), ast_rtp_destroy(), ast_strlen_zero(), mgcp_subchannel::callid, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, dump_cmd_queues(), mgcp_subchannel::id, LOG_DEBUG, 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(), ss_thread(), zt_handle_event(), and zt_hangup().
00464 { 00465 struct mgcp_endpoint *p = sub->parent; 00466 if (p->sub == sub) { 00467 ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name); 00468 return -1; 00469 } 00470 ast_log(LOG_DEBUG, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name); 00471 00472 sub->owner = NULL; 00473 if (!ast_strlen_zero(sub->cxident)) { 00474 transmit_connection_del(sub); 00475 } 00476 sub->cxident[0] = '\0'; 00477 sub->callid[0] = '\0'; 00478 sub->cxmode = MGCP_CX_INACTIVE; 00479 sub->outgoing = 0; 00480 sub->alreadygone = 0; 00481 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00482 if (sub->rtp) { 00483 ast_rtp_destroy(sub->rtp); 00484 sub->rtp = NULL; 00485 } 00486 dump_cmd_queues(NULL, sub); /* SC */ 00487 return 0; 00488 }
static int unload_module | ( | void | ) | [static] |
Definition at line 4359 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_proto_unregister(), cli_mgcp, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_gateway::endpoints, gateways, LOG_WARNING, mgcp_reload(), mgcp_reloading, mgcp_rtp, mgcp_tech, mgcpsock, monitor_thread, mgcp_endpoint::next, mgcp_gateway::next, prune_gateways(), and sched_context_destroy().
04360 { 04361 struct mgcp_endpoint *e; 04362 struct mgcp_gateway *g; 04363 04364 /* Check to see if we're reloading */ 04365 if (ast_mutex_trylock(&mgcp_reload_lock)) { 04366 ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n"); 04367 return -1; 04368 } else { 04369 mgcp_reloading = 1; 04370 ast_mutex_unlock(&mgcp_reload_lock); 04371 } 04372 04373 /* First, take us out of the channel loop */ 04374 ast_channel_unregister(&mgcp_tech); 04375 04376 /* Shut down the monitoring thread */ 04377 if (!ast_mutex_lock(&monlock)) { 04378 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) { 04379 pthread_cancel(monitor_thread); 04380 pthread_kill(monitor_thread, SIGURG); 04381 pthread_join(monitor_thread, NULL); 04382 } 04383 monitor_thread = AST_PTHREADT_STOP; 04384 ast_mutex_unlock(&monlock); 04385 } else { 04386 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 04387 /* We always want to leave this in a consistent state */ 04388 ast_channel_register(&mgcp_tech); 04389 mgcp_reloading = 0; 04390 mgcp_reload(0, 0, NULL); 04391 return -1; 04392 } 04393 04394 if (!ast_mutex_lock(&gatelock)) { 04395 for (g = gateways; g; g = g->next) { 04396 g->delme = 1; 04397 for (e = g->endpoints; e; e = e->next) 04398 e->delme = 1; 04399 } 04400 04401 prune_gateways(); 04402 ast_mutex_unlock(&gatelock); 04403 } else { 04404 ast_log(LOG_WARNING, "Unable to lock the gateways list.\n"); 04405 /* We always want to leave this in a consistent state */ 04406 ast_channel_register(&mgcp_tech); 04407 /* Allow the monitor to restart */ 04408 monitor_thread = AST_PTHREADT_NULL; 04409 mgcp_reloading = 0; 04410 mgcp_reload(0, 0, NULL); 04411 return -1; 04412 } 04413 04414 close(mgcpsock); 04415 ast_rtp_proto_unregister(&mgcp_rtp); 04416 ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04417 sched_context_destroy(sched); 04418 04419 return 0; 04420 }
struct in_addr __ourip [static] |
Definition at line 224 of file chan_mgcp.c.
char accountcode[AST_MAX_ACCOUNT_CODE] = "" [static] |
Definition at line 189 of file chan_mgcp.c.
int adsi = 0 [static] |
Definition at line 195 of file chan_mgcp.c.
int amaflags = 0 [static] |
Definition at line 193 of file chan_mgcp.c.
char audit_endpoint_usage[] [static] |
Initial value:
"Usage: mgcp audit endpoint <endpointid>\n" " Lists the capabilities of an endpoint in the MGCP (Media Gateway Control Protocol) subsystem.\n" " mgcp debug MUST be on to see the results of this command.\n"
Definition at line 1050 of file chan_mgcp.c.
struct sockaddr_in bindaddr [static] |
Definition at line 409 of file chan_mgcp.c.
int callreturn = 0 [static] |
int callwaiting = 0 [static] |
int cancallforward = 0 [static] |
int canreinvite = CANREINVITE [static] |
int capability = AST_FORMAT_ULAW [static] |
Definition at line 220 of file chan_mgcp.c.
Referenced by add_sdp(), build_gateway(), build_setup(), iax2_call(), mgcp_new(), mgcp_request(), parse_setup(), process_sdp(), reload_config(), set_config(), set_local_capabilities(), and transmit_modify_with_sdp().
char cid_name[AST_MAX_EXTENSION] = "" [static] |
Definition at line 160 of file chan_mgcp.c.
Referenced by __oh323_new(), build_device(), build_gateway(), build_peer(), build_user(), check_access(), check_user_full(), dial_trunk(), misdn_new(), sip_call(), sla_ring_station(), and zt_handle_event().
char cid_num[AST_MAX_EXTENSION] = "" [static] |
Definition at line 159 of file chan_mgcp.c.
Referenced by __oh323_new(), build_device(), build_gateway(), build_peer(), build_user(), check_access(), check_user_full(), dial_trunk(), misdn_new(), sla_ring_station(), socket_process(), and zt_handle_event().
struct ast_cli_entry cli_mgcp[] [static] |
const char config[] = "mgcp.conf" [static] |
Definition at line 113 of file chan_mgcp.c.
char context[AST_MAX_EXTENSION] = "default" [static] |
Definition at line 155 of file chan_mgcp.c.
ast_group_t cur_callergroup = 0 [static] |
ast_group_t cur_pickupgroup = 0 [static] |
char debug_usage[] [static] |
Initial value:
"Usage: mgcp set debug\n" " Enables dumping of MGCP packets for debugging purposes\n"
Definition at line 1055 of file chan_mgcp.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 103 of file chan_mgcp.c.
int dtmfmode = 0 [static] |
Definition at line 162 of file chan_mgcp.c.
Referenced by build_gateway(), reload_config(), and set_local_capabilities().
int firstdigittimeout = 16000 [static] |
Wait up to 16 seconds for first digit (FXO logic)
Definition at line 200 of file chan_mgcp.c.
Referenced by disa_exec(), mgcp_ss(), and skinny_ss().
struct mgcp_gateway * gateways [static] |
int gendigittimeout = 8000 [static] |
How long to wait for following digits (FXO logic)
Definition at line 203 of file chan_mgcp.c.
Referenced by mgcp_ss(), and skinny_ss().
struct ast_jb_conf global_jbconf [static] |
Definition at line 110 of file chan_mgcp.c.
int immediate = 0 [static] |
struct io_context* io [static] |
Definition at line 230 of file chan_mgcp.c.
char language[MAX_LANGUAGE] = "" [static] |
Definition at line 157 of file chan_mgcp.c.
char mailbox[AST_MAX_EXTENSION] [static] |
Definition at line 191 of file chan_mgcp.c.
Referenced by action_mailboxcount(), action_mailboxstatus(), append_mailbox_mapping(), build_device(), build_gateway(), build_peer(), disa_exec(), and realtime_directory().
int matchdigittimeout = 3000 [static] |
How long to wait for an extra digit, if there is an ambiguous match
Definition at line 206 of file chan_mgcp.c.
Referenced by mgcp_ss(), and skinny_ss().
char* mgcp_cxmodes[] [static] |
}
Definition at line 135 of file chan_mgcp.c.
Referenced by transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
char mgcp_reload_usage[] [static] |
Initial value:
"Usage: mgcp reload\n" " Reloads MGCP configuration from mgcp.conf\n" " Deprecated: please use 'reload chan_mgcp.so' instead.\n"
Definition at line 1063 of file chan_mgcp.c.
int mgcp_reloading = 0 [static] |
Definition at line 402 of file chan_mgcp.c.
Referenced by do_monitor(), mgcp_reload(), and unload_module().
struct ast_rtp_protocol mgcp_rtp [static] |
Initial value:
{ .type = "MGCP", .get_rtp_info = mgcp_get_rtp_peer, .set_rtp_peer = mgcp_set_rtp_peer, }
Definition at line 4012 of file chan_mgcp.c.
Referenced by load_module(), and unload_module().
struct ast_channel_tech mgcp_tech [static] |
Definition at line 439 of file chan_mgcp.c.
Referenced by load_module(), mgcp_new(), and unload_module().
int mgcpdebug = 0 [static] |
Definition at line 227 of file chan_mgcp.c.
Referenced by add_sdp(), mgcp_audit_endpoint(), mgcp_call(), mgcp_do_debug(), mgcp_hangup(), mgcp_indicate(), mgcp_no_debug(), parse(), process_sdp(), retrans_pkt(), and send_request().
int mgcpsock = -1 [static] |
Definition at line 407 of file chan_mgcp.c.
Referenced by do_monitor(), mgcpsock_read(), reload_config(), and unload_module().
int* mgcpsock_read_id = NULL [static] |
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 216 of file chan_mgcp.c.
char musicclass[MAX_MUSICCLASS] = "" [static] |
Definition at line 158 of file chan_mgcp.c.
Referenced by ast_do_masquerade(), begin_dial(), build_gateway(), func_channel_write(), gtalk_new(), moh2_exec(), moh_write(), and read_config().
int nat = 0 [static] |
char no_debug_usage[] [static] |
Initial value:
"Usage: mgcp set debug off\n" " Disables dumping of MGCP packets for debugging purposes\n"
Definition at line 1059 of file chan_mgcp.c.
int nonCodecCapability = AST_RTP_DTMF [static] |
unsigned int oseq [static] |
Definition at line 197 of file chan_mgcp.c.
Referenced by init_req(), reqprep(), transmit_audit_endpoint(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
char ourhost[MAXHOSTNAMELEN] [static] |
Definition at line 223 of file chan_mgcp.c.
Referenced by ast_find_ourip(), handle_server_request_message(), and reload_config().
int ourport [static] |
Definition at line 225 of file chan_mgcp.c.
Referenced by build_contact(), build_via(), handle_server_request_message(), initreqprep(), and reload_config().
struct sched_context* sched [static] |
Definition at line 229 of file chan_mgcp.c.
char show_endpoints_usage[] [static] |
Initial value:
"Usage: mgcp show endpoints\n" " Lists all endpoints known to the MGCP (Media Gateway Control Protocol) subsystem.\n"
Definition at line 1046 of file chan_mgcp.c.
int singlepath = 0 [static] |
int slowsequence = 0 [static] |
const char tdesc[] = "Media Gateway Control Protocol (MGCP)" [static] |
Definition at line 112 of file chan_mgcp.c.
int threewaycalling = 0 [static] |
int tos = 0 [static] |
Definition at line 168 of file chan_mgcp.c.
int transfer = 0 [static] |
This is for flashhook transfers
Definition at line 181 of file chan_mgcp.c.
Referenced by build_device(), build_gateway(), leave_voicemail(), and send_packet().