#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 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 (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 |
#define DEFAULT_MGCP_CA_PORT 2727 |
#define DEFAULT_MGCP_GW_PORT 2427 |
#define DEFAULT_RETRANS 1000 |
How frequently to retransmit
Definition at line 119 of file chan_mgcp.c.
Referenced by __sip_reliable_xmit(), mgcp_postrequest(), and retrans_pkt().
#define INADDR_NONE (in_addr_t)(-1) |
#define IPTOS_MINCOST 0x02 |
Definition at line 81 of file chan_mgcp.c.
#define MAX_EXPIRY 3600 |
Definition at line 92 of file chan_mgcp.c.
#define MAX_RETRANS 5 |
Try only 5 times for retransmissions
Definition at line 120 of file chan_mgcp.c.
Referenced by retrans_pkt().
#define MAX_SUBS 2 |
#define MGCP_CX_CONF 3 |
#define MGCP_CX_CONFERENCE 3 |
Definition at line 127 of file chan_mgcp.c.
#define MGCP_CX_INACTIVE 4 |
Definition at line 129 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), and unalloc_sub().
#define MGCP_CX_MUTE 4 |
#define MGCP_CX_RECVONLY 1 |
Definition at line 124 of file chan_mgcp.c.
Referenced by handle_request(), mgcp_call(), and mgcp_hangup().
#define MGCP_CX_SENDONLY 0 |
MGCP rtp stream modes {
Definition at line 123 of file chan_mgcp.c.
#define MGCP_CX_SENDRECV 2 |
Definition at line 125 of file chan_mgcp.c.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), and mgcp_call().
#define MGCP_DTMF_HYBRID (1 << 2) |
Definition at line 114 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), mgcp_new(), and mgcp_ss().
#define MGCP_DTMF_INBAND (1 << 1) |
Definition at line 113 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), mgcp_new(), mgcp_rtp_read(), mgcp_ss(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
#define MGCP_DTMF_RFC2833 (1 << 0) |
#define MGCP_MAX_HEADERS 64 |
The private structures of the mgcp channels are linked for ! selecting outgoing channels
Definition at line 231 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 118 of file chan_mgcp.c.
#define MGCP_OFFHOOK 2 |
Definition at line 306 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 305 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 283 of file chan_mgcp.c.
Referenced by build_gateway(), and mgcp_hangup().
#define MGCPDUMPER |
Definition at line 90 of file chan_mgcp.c.
#define RESPONSE_TIMEOUT 30 |
#define SUB_ALT 1 |
Definition at line 275 of file chan_mgcp.c.
#define SUB_REAL 0 |
Definition at line 274 of file chan_mgcp.c.
#define TYPE_LINE 2 |
Definition at line 309 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 140 of file chan_mgcp.c.
00140 { 00141 MGCP_CMD_EPCF, 00142 MGCP_CMD_CRCX, 00143 MGCP_CMD_MDCX, 00144 MGCP_CMD_DLCX, 00145 MGCP_CMD_RQNT, 00146 MGCP_CMD_NTFY, 00147 MGCP_CMD_AUEP, 00148 MGCP_CMD_AUCX, 00149 MGCP_CMD_RSIP 00150 };
static char* __get_header | ( | struct mgcp_request * | req, | |
char * | name, | |||
int * | start | |||
) | [static] |
Definition at line 1538 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().
01539 { 01540 int x; 01541 int len = strlen(name); 01542 char *r; 01543 for (x=*start;x<req->headers;x++) { 01544 if (!strncasecmp(req->header[x], name, len) && 01545 (req->header[x][len] == ':')) { 01546 r = req->header[x] + len + 1; 01547 while(*r && (*r < 33)) 01548 r++; 01549 *start = x+1; 01550 return r; 01551 } 01552 } 01553 /* Don't return NULL, so get_header is always a valid pointer */ 01554 return ""; 01555 }
static int __mgcp_xmit | ( | struct mgcp_gateway * | gw, | |
char * | data, | |||
int | len | |||
) | [static] |
Definition at line 487 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_log(), mgcp_gateway::defaddr, and LOG_WARNING.
Referenced by mgcp_postrequest(), resend_response(), retrans_pkt(), and send_response().
00488 { 00489 int res; 00490 if (gw->addr.sin_addr.s_addr) 00491 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in)); 00492 else 00493 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in)); 00494 if (res != len) { 00495 ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno)); 00496 } 00497 return res; 00498 }
static int add_header | ( | struct mgcp_request * | req, | |
char * | var, | |||
char * | value | |||
) | [static] |
Definition at line 1888 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_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_connect_with_sdp(), transmit_connection_del(), transmit_connection_del_w_params(), transmit_invite(), transmit_modify_request(), transmit_modify_with_sdp(), 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().
01889 { 01890 if (req->len >= sizeof(req->data) - 4) { 01891 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01892 return -1; 01893 } 01894 if (req->lines) { 01895 ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n"); 01896 return -1; 01897 } 01898 req->header[req->headers] = req->data + req->len; 01899 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value); 01900 req->len += strlen(req->header[req->headers]); 01901 if (req->headers < MGCP_MAX_HEADERS) 01902 req->headers++; 01903 else { 01904 ast_log(LOG_WARNING, "Out of header space\n"); 01905 return -1; 01906 } 01907 return 0; 01908 }
static int add_line | ( | struct mgcp_request * | req, | |
char * | line | |||
) | [static] |
Definition at line 1910 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().
01911 { 01912 if (req->len >= sizeof(req->data) - 4) { 01913 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01914 return -1; 01915 } 01916 if (!req->lines) { 01917 /* Add extra empty return */ 01918 snprintf(req->data + req->len, sizeof(req->data) - req->len, "\r\n"); 01919 req->len += strlen(req->data + req->len); 01920 } 01921 req->line[req->lines] = req->data + req->len; 01922 snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line); 01923 req->len += strlen(req->line[req->lines]); 01924 if (req->lines < MGCP_MAX_LINES) 01925 req->lines++; 01926 else { 01927 ast_log(LOG_WARNING, "Out of line space\n"); 01928 return -1; 01929 } 01930 return 0; 01931 }
static int add_sdp | ( | struct mgcp_request * | resp, | |
struct mgcp_subchannel * | sub, | |||
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2012 of file chan_mgcp.c.
References add_line(), AST_FORMAT_MAX_AUDIO, ast_inet_ntoa(), ast_log(), AST_RTP_DTMF, ast_rtp_get_peer(), ast_rtp_get_us(), ast_rtp_lookup_code(), ast_rtp_lookup_mime_subtype(), AST_RTP_MAX, ast_verbose(), mgcp_endpoint::capability, len, LOG_WARNING, mgcp_endpoint::nonCodecCapability, mgcp_gateway::ourip, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, s, t, and mgcp_subchannel::tmpdest.
Referenced by transmit_connect_with_sdp(), transmit_invite(), transmit_modify_with_sdp(), transmit_reinvite_with_sdp(), and transmit_response_with_sdp().
02013 { 02014 int len; 02015 int codec; 02016 char costr[80]; 02017 struct sockaddr_in sin; 02018 char v[256]; 02019 char s[256]; 02020 char o[256]; 02021 char c[256]; 02022 char t[256]; 02023 char m[256] = ""; 02024 char a[1024] = ""; 02025 int x; 02026 struct sockaddr_in dest; 02027 struct mgcp_endpoint *p = sub->parent; 02028 /* XXX We break with the "recommendation" and send our IP, in order that our 02029 peer doesn't have to ast_gethostbyname() us XXX */ 02030 len = 0; 02031 if (!sub->rtp) { 02032 ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n"); 02033 return -1; 02034 } 02035 ast_rtp_get_us(sub->rtp, &sin); 02036 if (rtp) { 02037 ast_rtp_get_peer(rtp, &dest); 02038 } else { 02039 if (sub->tmpdest.sin_addr.s_addr) { 02040 dest.sin_addr = sub->tmpdest.sin_addr; 02041 dest.sin_port = sub->tmpdest.sin_port; 02042 /* Reset temporary destination */ 02043 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 02044 } else { 02045 dest.sin_addr = p->parent->ourip; 02046 dest.sin_port = sin.sin_port; 02047 } 02048 } 02049 if (mgcpdebug) { 02050 ast_verbose("We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port)); 02051 } 02052 snprintf(v, sizeof(v), "v=0\r\n"); 02053 snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr)); 02054 snprintf(s, sizeof(s), "s=session\r\n"); 02055 snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr)); 02056 snprintf(t, sizeof(t), "t=0 0\r\n"); 02057 snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); 02058 for (x = 1; x <= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02059 if (p->capability & x) { 02060 if (mgcpdebug) { 02061 ast_verbose("Answering with capability %d\n", x); 02062 } 02063 codec = ast_rtp_lookup_code(sub->rtp, 1, x); 02064 if (codec > -1) { 02065 snprintf(costr, sizeof(costr), " %d", codec); 02066 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02067 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x, 0)); 02068 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02069 } 02070 } 02071 } 02072 for (x = 1; x <= AST_RTP_MAX; x <<= 1) { 02073 if (p->nonCodecCapability & x) { 02074 if (mgcpdebug) { 02075 ast_verbose("Answering with non-codec capability %d\n", x); 02076 } 02077 codec = ast_rtp_lookup_code(sub->rtp, 0, x); 02078 if (codec > -1) { 02079 snprintf(costr, sizeof(costr), " %d", codec); 02080 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02081 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(0, x, 0)); 02082 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02083 if (x == AST_RTP_DTMF) { 02084 /* Indicate we support DTMF... Not sure about 16, 02085 but MSN supports it so dang it, we will too... */ 02086 snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec); 02087 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02088 } 02089 } 02090 } 02091 } 02092 strncat(m, "\r\n", sizeof(m) - strlen(m) - 1); 02093 len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); 02094 snprintf(costr, sizeof(costr), "%d", len); 02095 add_line(resp, v); 02096 add_line(resp, o); 02097 add_line(resp, s); 02098 add_line(resp, c); 02099 add_line(resp, t); 02100 add_line(resp, m); 02101 add_line(resp, a); 02102 return 0; 02103 }
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 2870 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().
02871 { 02872 /* ************************* 02873 * I hope this works. 02874 * Copied out of chan_zap 02875 * Cross your fingers 02876 * *************************/ 02877 02878 /* In order to transfer, we need at least one of the channels to 02879 actually be in a call bridge. We can't conference two applications 02880 together (but then, why would we want to?) */ 02881 if (ast_bridged_channel(p->sub->owner)) { 02882 /* The three-way person we're about to transfer to could still be in MOH, so 02883 stop if now if appropriate */ 02884 if (ast_bridged_channel(p->sub->next->owner)) 02885 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02886 if (p->sub->owner->_state == AST_STATE_RINGING) { 02887 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02888 } 02889 if (ast_channel_masquerade(p->sub->next->owner, ast_bridged_channel(p->sub->owner))) { 02890 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02891 ast_bridged_channel(p->sub->owner)->name, p->sub->next->owner->name); 02892 return -1; 02893 } 02894 /* Orphan the channel */ 02895 unalloc_sub(p->sub->next); 02896 } else if (ast_bridged_channel(p->sub->next->owner)) { 02897 if (p->sub->owner->_state == AST_STATE_RINGING) { 02898 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02899 } 02900 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02901 if (ast_channel_masquerade(p->sub->owner, ast_bridged_channel(p->sub->next->owner))) { 02902 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02903 ast_bridged_channel(p->sub->next->owner)->name, p->sub->owner->name); 02904 return -1; 02905 } 02906 /*swap_subs(p, SUB_THREEWAY, SUB_REAL);*/ 02907 if (option_verbose > 2) { 02908 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); 02909 } 02910 p->sub = p->sub->next; 02911 unalloc_sub(p->sub->next); 02912 /* Tell the caller not to hangup */ 02913 return 1; 02914 } else { 02915 ast_log(LOG_DEBUG, "Neither %s nor %s are in a bridge, nothing to transfer\n", 02916 p->sub->owner->name, p->sub->next->owner->name); 02917 p->sub->next->owner->_softhangup |= AST_SOFTHANGUP_DEV; 02918 if (p->sub->next->owner) { 02919 p->sub->next->alreadygone = 1; 02920 mgcp_queue_hangup(p->sub->next); 02921 } 02922 } 02923 return 0; 02924 }
static struct mgcp_gateway* build_gateway | ( | char * | cat, | |
struct ast_variable * | v | |||
) | [static, read] |
build_gateway: parse mgcp.conf and create gateway/endpoint structures
Definition at line 3571 of file chan_mgcp.c.
References __ourip, mgcp_endpoint::accountcode, mgcp_gateway::addr, mgcp_endpoint::adsi, mgcp_endpoint::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, mgcp_endpoint::callwaiting, mgcp_endpoint::cancallforward, mgcp_endpoint::canreinvite, CANREINVITE, mgcp_endpoint::capability, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, mgcp_endpoint::cmd_queue_lock, mgcp_endpoint::context, mgcp_subchannel::cx_queue_lock, mgcp_subchannel::cxmode, mgcp_gateway::defaddr, DEFAULT_MGCP_GW_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_endpoint::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, INADDR_NONE, mgcp_gateway::isnamedottedip, mgcp_endpoint::language, ast_variable::lineno, mgcp_subchannel::lock, mgcp_endpoint::lock, LOG_WARNING, mgcp_subchannel::magic, mgcp_endpoint::mailbox, 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, mgcp_endpoint::name, ast_variable::name, mgcp_gateway::name, mgcp_subchannel::nat, mgcp_endpoint::needaudit, 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_gateway::retransid, mgcp_endpoint::rqnt_ident, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, mgcp_endpoint::singlepath, mgcp_endpoint::slowsequence, mgcp_endpoint::sub, mgcp_endpoint::threewaycalling, mgcp_endpoint::transfer, mgcp_subchannel::txident, mgcp_endpoint::type, TYPE_LINE, TYPE_TRUNK, ast_variable::value, VERBOSE_PREFIX_3, and mgcp_gateway::wcardep.
Referenced by reload_config().
03572 { 03573 struct mgcp_gateway *gw; 03574 struct mgcp_endpoint *e; 03575 struct mgcp_subchannel *sub; 03576 /*char txident[80];*/ 03577 int i=0, y=0; 03578 int gw_reload = 0; 03579 int ep_reload = 0; 03580 canreinvite = CANREINVITE; 03581 03582 /* locate existing gateway */ 03583 gw = gateways; 03584 while (gw) { 03585 if (!strcasecmp(cat, gw->name)) { 03586 /* gateway already exists */ 03587 gw->delme = 0; 03588 gw_reload = 1; 03589 break; 03590 } 03591 gw = gw->next; 03592 } 03593 03594 if (!gw) 03595 gw = malloc(sizeof(struct mgcp_gateway)); 03596 03597 if (gw) { 03598 if (!gw_reload) { 03599 memset(gw, 0, sizeof(struct mgcp_gateway)); 03600 gw->expire = -1; 03601 gw->retransid = -1; /* SC */ 03602 ast_mutex_init(&gw->msgs_lock); 03603 ast_copy_string(gw->name, cat, sizeof(gw->name)); 03604 /* check if the name is numeric ip */ 03605 if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE) 03606 gw->isnamedottedip = 1; 03607 } 03608 while(v) { 03609 if (!strcasecmp(v->name, "host")) { 03610 if (!strcasecmp(v->value, "dynamic")) { 03611 /* They'll register with us */ 03612 gw->dynamic = 1; 03613 memset(&gw->addr.sin_addr, 0, 4); 03614 if (gw->addr.sin_port) { 03615 /* If we've already got a port, make it the default rather than absolute */ 03616 gw->defaddr.sin_port = gw->addr.sin_port; 03617 gw->addr.sin_port = 0; 03618 } 03619 } else { 03620 /* Non-dynamic. Make sure we become that way if we're not */ 03621 if (gw->expire > -1) 03622 ast_sched_del(sched, gw->expire); 03623 gw->expire = -1; 03624 gw->dynamic = 0; 03625 if (ast_get_ip(&gw->addr, v->value)) { 03626 if (!gw_reload) { 03627 ast_mutex_destroy(&gw->msgs_lock); 03628 free(gw); 03629 } 03630 return NULL; 03631 } 03632 } 03633 } else if (!strcasecmp(v->name, "defaultip")) { 03634 if (ast_get_ip(&gw->defaddr, v->value)) { 03635 if (!gw_reload) { 03636 ast_mutex_destroy(&gw->msgs_lock); 03637 free(gw); 03638 } 03639 return NULL; 03640 } 03641 } else if (!strcasecmp(v->name, "permit") || 03642 !strcasecmp(v->name, "deny")) { 03643 gw->ha = ast_append_ha(v->name, v->value, gw->ha); 03644 } else if (!strcasecmp(v->name, "port")) { 03645 gw->addr.sin_port = htons(atoi(v->value)); 03646 } else if (!strcasecmp(v->name, "context")) { 03647 ast_copy_string(context, v->value, sizeof(context)); 03648 } else if (!strcasecmp(v->name, "dtmfmode")) { 03649 if (!strcasecmp(v->value, "inband")) 03650 dtmfmode = MGCP_DTMF_INBAND; 03651 else if (!strcasecmp(v->value, "rfc2833")) 03652 dtmfmode = MGCP_DTMF_RFC2833; 03653 else if (!strcasecmp(v->value, "hybrid")) 03654 dtmfmode = MGCP_DTMF_HYBRID; 03655 else if (!strcasecmp(v->value, "none")) 03656 dtmfmode = 0; 03657 else 03658 ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno); 03659 } else if (!strcasecmp(v->name, "nat")) { 03660 nat = ast_true(v->value); 03661 } else if (!strcasecmp(v->name, "callerid")) { 03662 if (!strcasecmp(v->value, "asreceived")) { 03663 cid_num[0] = '\0'; 03664 cid_name[0] = '\0'; 03665 } else { 03666 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); 03667 } 03668 } else if (!strcasecmp(v->name, "language")) { 03669 ast_copy_string(language, v->value, sizeof(language)); 03670 } else if (!strcasecmp(v->name, "accountcode")) { 03671 ast_copy_string(accountcode, v->value, sizeof(accountcode)); 03672 } else if (!strcasecmp(v->name, "amaflags")) { 03673 y = ast_cdr_amaflags2int(v->value); 03674 if (y < 0) { 03675 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); 03676 } else { 03677 amaflags = y; 03678 } 03679 } else if (!strcasecmp(v->name, "musiconhold")) { 03680 ast_copy_string(musicclass, v->value, sizeof(musicclass)); 03681 } else if (!strcasecmp(v->name, "callgroup")) { 03682 cur_callergroup = ast_get_group(v->value); 03683 } else if (!strcasecmp(v->name, "pickupgroup")) { 03684 cur_pickupgroup = ast_get_group(v->value); 03685 } else if (!strcasecmp(v->name, "immediate")) { 03686 immediate = ast_true(v->value); 03687 } else if (!strcasecmp(v->name, "cancallforward")) { 03688 cancallforward = ast_true(v->value); 03689 } else if (!strcasecmp(v->name, "singlepath")) { 03690 singlepath = ast_true(v->value); 03691 } else if (!strcasecmp(v->name, "canreinvite")) { 03692 canreinvite = ast_true(v->value); 03693 } else if (!strcasecmp(v->name, "mailbox")) { 03694 ast_copy_string(mailbox, v->value, sizeof(mailbox)); 03695 } else if (!strcasecmp(v->name, "adsi")) { 03696 adsi = ast_true(v->value); 03697 } else if (!strcasecmp(v->name, "callreturn")) { 03698 callreturn = ast_true(v->value); 03699 } else if (!strcasecmp(v->name, "callwaiting")) { 03700 callwaiting = ast_true(v->value); 03701 } else if (!strcasecmp(v->name, "slowsequence")) { 03702 slowsequence = ast_true(v->value); 03703 } else if (!strcasecmp(v->name, "transfer")) { 03704 transfer = ast_true(v->value); 03705 } else if (!strcasecmp(v->name, "threewaycalling")) { 03706 threewaycalling = ast_true(v->value); 03707 } else if (!strcasecmp(v->name, "wcardep")) { 03708 /* locate existing endpoint */ 03709 e = gw->endpoints; 03710 while (e) { 03711 if (!strcasecmp(v->value, e->name)) { 03712 /* endpoint already exists */ 03713 e->delme = 0; 03714 ep_reload = 1; 03715 break; 03716 } 03717 e = e->next; 03718 } 03719 03720 if (!e) { 03721 /* Allocate wildcard endpoint */ 03722 e = malloc(sizeof(struct mgcp_endpoint)); 03723 ep_reload = 0; 03724 } 03725 03726 if (e) { 03727 if (!ep_reload) { 03728 memset(e, 0, sizeof(struct mgcp_endpoint)); 03729 ast_mutex_init(&e->lock); 03730 ast_mutex_init(&e->rqnt_queue_lock); 03731 ast_mutex_init(&e->cmd_queue_lock); 03732 ast_copy_string(e->name, v->value, sizeof(e->name)); 03733 e->needaudit = 1; 03734 } 03735 ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep)); 03736 /* XXX Should we really check for uniqueness?? XXX */ 03737 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03738 ast_copy_string(e->context, context, sizeof(e->context)); 03739 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03740 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03741 ast_copy_string(e->language, language, sizeof(e->language)); 03742 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03743 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03744 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03745 e->msgstate = -1; 03746 e->amaflags = amaflags; 03747 e->capability = capability; 03748 e->parent = gw; 03749 e->dtmfmode = dtmfmode; 03750 if (!ep_reload && e->sub && e->sub->rtp) 03751 e->dtmfmode |= MGCP_DTMF_INBAND; 03752 e->adsi = adsi; 03753 e->type = TYPE_LINE; 03754 e->immediate = immediate; 03755 e->callgroup=cur_callergroup; 03756 e->pickupgroup=cur_pickupgroup; 03757 e->callreturn = callreturn; 03758 e->cancallforward = cancallforward; 03759 e->singlepath = singlepath; 03760 e->canreinvite = canreinvite; 03761 e->callwaiting = callwaiting; 03762 e->hascallwaiting = callwaiting; 03763 e->slowsequence = slowsequence; 03764 e->transfer = transfer; 03765 e->threewaycalling = threewaycalling; 03766 e->onhooktime = time(NULL); 03767 /* ASSUME we're onhook */ 03768 e->hookstate = MGCP_ONHOOK; 03769 if (!ep_reload) { 03770 /*snprintf(txident, sizeof(txident), "%08lx", ast_random());*/ 03771 for (i = 0; i < MAX_SUBS; i++) { 03772 sub = malloc(sizeof(struct mgcp_subchannel)); 03773 if (sub) { 03774 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03775 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03776 ast_mutex_init(&sub->lock); 03777 ast_mutex_init(&sub->cx_queue_lock); 03778 sub->parent = e; 03779 sub->id = i; 03780 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03781 /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/ 03782 sub->cxmode = MGCP_CX_INACTIVE; 03783 sub->nat = nat; 03784 sub->next = e->sub; 03785 e->sub = sub; 03786 } else { 03787 /* XXX Should find a way to clean up our memory */ 03788 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03789 return NULL; 03790 } 03791 } 03792 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03793 sub = e->sub; 03794 /* find the end of the list */ 03795 while(sub->next){ 03796 sub = sub->next; 03797 } 03798 /* set the last sub->next to the first sub */ 03799 sub->next = e->sub; 03800 03801 e->next = gw->endpoints; 03802 gw->endpoints = e; 03803 } 03804 } 03805 } else if (!strcasecmp(v->name, "trunk") || 03806 !strcasecmp(v->name, "line")) { 03807 03808 /* locate existing endpoint */ 03809 e = gw->endpoints; 03810 while (e) { 03811 if (!strcasecmp(v->value, e->name)) { 03812 /* endpoint already exists */ 03813 e->delme = 0; 03814 ep_reload = 1; 03815 break; 03816 } 03817 e = e->next; 03818 } 03819 03820 if (!e) { 03821 e = malloc(sizeof(struct mgcp_endpoint)); 03822 ep_reload = 0; 03823 } 03824 03825 if (e) { 03826 if (!ep_reload) { 03827 memset(e, 0, sizeof(struct mgcp_endpoint)); 03828 ast_mutex_init(&e->lock); 03829 ast_mutex_init(&e->rqnt_queue_lock); 03830 ast_mutex_init(&e->cmd_queue_lock); 03831 ast_copy_string(e->name, v->value, sizeof(e->name)); 03832 e->needaudit = 1; 03833 } 03834 /* XXX Should we really check for uniqueness?? XXX */ 03835 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03836 ast_copy_string(e->context, context, sizeof(e->context)); 03837 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03838 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03839 ast_copy_string(e->language, language, sizeof(e->language)); 03840 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03841 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03842 if (!ast_strlen_zero(mailbox)) { 03843 ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name); 03844 } 03845 if (!ep_reload) { 03846 /* XXX potential issue due to reload */ 03847 e->msgstate = -1; 03848 e->parent = gw; 03849 } 03850 e->amaflags = amaflags; 03851 e->capability = capability; 03852 e->dtmfmode = dtmfmode; 03853 e->adsi = adsi; 03854 if (!strcasecmp(v->name, "trunk")) 03855 e->type = TYPE_TRUNK; 03856 else 03857 e->type = TYPE_LINE; 03858 03859 e->immediate = immediate; 03860 e->callgroup=cur_callergroup; 03861 e->pickupgroup=cur_pickupgroup; 03862 e->callreturn = callreturn; 03863 e->cancallforward = cancallforward; 03864 e->canreinvite = canreinvite; 03865 e->singlepath = singlepath; 03866 e->callwaiting = callwaiting; 03867 e->hascallwaiting = callwaiting; 03868 e->slowsequence = slowsequence; 03869 e->transfer = transfer; 03870 e->threewaycalling = threewaycalling; 03871 if (!ep_reload) { 03872 e->onhooktime = time(NULL); 03873 /* ASSUME we're onhook */ 03874 e->hookstate = MGCP_ONHOOK; 03875 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03876 } 03877 03878 for (i = 0, sub = NULL; i < MAX_SUBS; i++) { 03879 if (!ep_reload) { 03880 sub = malloc(sizeof(struct mgcp_subchannel)); 03881 } else { 03882 if (!sub) 03883 sub = e->sub; 03884 else 03885 sub = sub->next; 03886 } 03887 03888 if (sub) { 03889 if (!ep_reload) { 03890 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03891 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03892 ast_mutex_init(&sub->lock); 03893 ast_mutex_init(&sub->cx_queue_lock); 03894 ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic)); 03895 sub->parent = e; 03896 sub->id = i; 03897 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03898 sub->cxmode = MGCP_CX_INACTIVE; 03899 sub->next = e->sub; 03900 e->sub = sub; 03901 } 03902 sub->nat = nat; 03903 } else { 03904 /* XXX Should find a way to clean up our memory */ 03905 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03906 return NULL; 03907 } 03908 } 03909 if (!ep_reload) { 03910 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03911 sub = e->sub; 03912 /* find the end of the list */ 03913 while (sub->next) { 03914 sub = sub->next; 03915 } 03916 /* set the last sub->next to the first sub */ 03917 sub->next = e->sub; 03918 03919 e->next = gw->endpoints; 03920 gw->endpoints = e; 03921 } 03922 } 03923 } else 03924 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno); 03925 v = v->next; 03926 } 03927 } 03928 if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) { 03929 ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name); 03930 if (!gw_reload) { 03931 ast_mutex_destroy(&gw->msgs_lock); 03932 free(gw); 03933 } 03934 return NULL; 03935 } 03936 gw->defaddr.sin_family = AF_INET; 03937 gw->addr.sin_family = AF_INET; 03938 if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) 03939 gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03940 if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) 03941 gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03942 if (gw->addr.sin_addr.s_addr) 03943 if (ast_ouraddrfor(&gw->addr.sin_addr, &gw->ourip)) 03944 memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip)); 03945 03946 return (gw_reload ? NULL : gw); 03947 }
static char* control2str | ( | int | ind | ) | [static] |
Definition at line 1352 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().
01352 { 01353 switch (ind) { 01354 case AST_CONTROL_HANGUP: 01355 return "Other end has hungup"; 01356 case AST_CONTROL_RING: 01357 return "Local ring"; 01358 case AST_CONTROL_RINGING: 01359 return "Remote end is ringing"; 01360 case AST_CONTROL_ANSWER: 01361 return "Remote end has answered"; 01362 case AST_CONTROL_BUSY: 01363 return "Remote end is busy"; 01364 case AST_CONTROL_TAKEOFFHOOK: 01365 return "Make it go off hook"; 01366 case AST_CONTROL_OFFHOOK: 01367 return "Line is off hook"; 01368 case AST_CONTROL_CONGESTION: 01369 return "Congestion (circuits busy)"; 01370 case AST_CONTROL_FLASH: 01371 return "Flash hook"; 01372 case AST_CONTROL_WINK: 01373 return "Wink"; 01374 case AST_CONTROL_OPTION: 01375 return "Set a low-level option"; 01376 case AST_CONTROL_RADIO_KEY: 01377 return "Key Radio"; 01378 case AST_CONTROL_RADIO_UNKEY: 01379 return "Un-Key Radio"; 01380 } 01381 return "UNKNOWN"; 01382 }
static void destroy_endpoint | ( | struct mgcp_endpoint * | e | ) | [static] |
Definition at line 3982 of file chan_mgcp.c.
References ast_dsp_free(), ast_mutex_destroy(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_destroy(), ast_strlen_zero(), mgcp_endpoint::cmd_queue_lock, mgcp_subchannel::cxident, mgcp_endpoint::dsp, dump_cmd_queues(), dump_queue(), free, mgcp_endpoint::lock, mgcp_subchannel::lock, mgcp_subchannel::magic, MAX_SUBS, mgcp_queue_hangup(), mgcp_subchannel::next, mgcp_endpoint::parent, mgcp_endpoint::rqnt_queue_lock, mgcp_subchannel::rtp, s, mgcp_endpoint::sub, and transmit_connection_del().
Referenced by prune_gateways().
03983 { 03984 struct mgcp_subchannel *sub = e->sub->next, *s; 03985 int i; 03986 03987 for (i = 0; i < MAX_SUBS; i++) { 03988 ast_mutex_lock(&sub->lock); 03989 if (!ast_strlen_zero(sub->cxident)) { 03990 transmit_connection_del(sub); 03991 } 03992 if (sub->rtp) { 03993 ast_rtp_destroy(sub->rtp); 03994 sub->rtp = NULL; 03995 } 03996 memset(sub->magic, 0, sizeof(sub->magic)); 03997 mgcp_queue_hangup(sub); 03998 dump_cmd_queues(NULL, sub); 03999 ast_mutex_unlock(&sub->lock); 04000 sub = sub->next; 04001 } 04002 04003 if (e->dsp) { 04004 ast_dsp_free(e->dsp); 04005 } 04006 04007 dump_queue(e->parent, e); 04008 dump_cmd_queues(e, NULL); 04009 04010 sub = e->sub; 04011 for (i = 0; (i < MAX_SUBS) && sub; i++) { 04012 s = sub; 04013 sub = sub->next; 04014 ast_mutex_destroy(&s->lock); 04015 ast_mutex_destroy(&s->cx_queue_lock); 04016 free(s); 04017 } 04018 ast_mutex_destroy(&e->lock); 04019 ast_mutex_destroy(&e->rqnt_queue_lock); 04020 ast_mutex_destroy(&e->cmd_queue_lock); 04021 free(e); 04022 }
static void destroy_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 4024 of file chan_mgcp.c.
References ast_free_ha(), dump_queue(), free, and mgcp_gateway::ha.
Referenced by prune_gateways().
04025 { 04026 if (g->ha) 04027 ast_free_ha(g->ha); 04028 04029 dump_queue(g, NULL); 04030 04031 free (g); 04032 }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 3400 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(), mgcp_do_reload(), MGCP_ONHOOK, mgcpsock_read(), option_verbose, transmit_notify_request(), TYPE_LINE, and VERBOSE_PREFIX_1.
03401 { 03402 int res; 03403 int reloading; 03404 /*struct mgcp_gateway *g;*/ 03405 /*struct mgcp_endpoint *e;*/ 03406 /*time_t thispass = 0, lastpass = 0;*/ 03407 03408 /* Add an I/O event to our UDP socket */ 03409 if (mgcpsock > -1) 03410 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03411 03412 /* This thread monitors all the frame relay interfaces which are not yet in use 03413 (and thus do not have a separate thread) indefinitely */ 03414 /* From here on out, we die whenever asked */ 03415 for(;;) { 03416 /* Check for a reload request */ 03417 ast_mutex_lock(&mgcp_reload_lock); 03418 reloading = mgcp_reloading; 03419 mgcp_reloading = 0; 03420 ast_mutex_unlock(&mgcp_reload_lock); 03421 if (reloading) { 03422 if (option_verbose > 0) 03423 ast_verbose(VERBOSE_PREFIX_1 "Reloading MGCP\n"); 03424 mgcp_do_reload(); 03425 /* Add an I/O event to our UDP socket */ 03426 if (mgcpsock > -1) 03427 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03428 } 03429 03430 /* Check for interfaces needing to be killed */ 03431 /* Don't let anybody kill us right away. Nobody should lock the interface list 03432 and wait for the monitor list, but the other way around is okay. */ 03433 ast_mutex_lock(&monlock); 03434 /* Lock the network interface */ 03435 ast_mutex_lock(&netlock); 03436 03437 #if 0 03438 /* XXX THIS IS COMPLETELY HOSED */ 03439 /* The gateway goes into a state of panic */ 03440 /* If the vmwi indicator is sent while it is reseting interfaces */ 03441 lastpass = thispass; 03442 thispass = time(NULL); 03443 g = gateways; 03444 while(g) { 03445 if (thispass != lastpass) { 03446 e = g->endpoints; 03447 while(e) { 03448 if (e->type == TYPE_LINE) { 03449 res = has_voicemail(e); 03450 if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){ 03451 if (res) { 03452 transmit_notify_request(e, "L/vmwi(+)"); 03453 } else { 03454 transmit_notify_request(e, "L/vmwi(-)"); 03455 } 03456 e->msgstate = res; 03457 e->onhooktime = thispass; 03458 } 03459 } 03460 e = e->next; 03461 } 03462 } 03463 g = g->next; 03464 } 03465 #endif 03466 /* Okay, now that we know what to do, release the network lock */ 03467 ast_mutex_unlock(&netlock); 03468 /* And from now on, we're okay to be killed, so release the monitor lock as well */ 03469 ast_mutex_unlock(&monlock); 03470 pthread_testcancel(); 03471 /* Wait for sched or io */ 03472 res = ast_sched_wait(sched); 03473 /* copied from chan_sip.c */ 03474 if ((res < 0) || (res > 1000)) 03475 res = 1000; 03476 res = ast_io_wait(io, res); 03477 ast_mutex_lock(&monlock); 03478 if (res >= 0) 03479 ast_sched_runq(sched); 03480 ast_mutex_unlock(&monlock); 03481 } 03482 /* Never reached */ 03483 return NULL; 03484 }
static void dump_cmd_queues | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub | |||
) | [static] |
dump_cmd_queues: (SC:) cleanup pending commands
Definition at line 2348 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 destroy_endpoint(), handle_request(), handle_response(), and unalloc_sub().
02349 { 02350 struct mgcp_request *t, *q; 02351 02352 if (p) { 02353 ast_mutex_lock(&p->rqnt_queue_lock); 02354 for (q = p->rqnt_queue; q; t = q->next, free(q), q=t); 02355 p->rqnt_queue = NULL; 02356 ast_mutex_unlock(&p->rqnt_queue_lock); 02357 02358 ast_mutex_lock(&p->cmd_queue_lock); 02359 for (q = p->cmd_queue; q; t = q->next, free(q), q=t); 02360 p->cmd_queue = NULL; 02361 ast_mutex_unlock(&p->cmd_queue_lock); 02362 02363 ast_mutex_lock(&p->sub->cx_queue_lock); 02364 for (q = p->sub->cx_queue; q; t = q->next, free(q), q=t); 02365 p->sub->cx_queue = NULL; 02366 ast_mutex_unlock(&p->sub->cx_queue_lock); 02367 02368 ast_mutex_lock(&p->sub->next->cx_queue_lock); 02369 for (q = p->sub->next->cx_queue; q; t = q->next, free(q), q=t); 02370 p->sub->next->cx_queue = NULL; 02371 ast_mutex_unlock(&p->sub->next->cx_queue_lock); 02372 } else if (sub) { 02373 ast_mutex_lock(&sub->cx_queue_lock); 02374 for (q = sub->cx_queue; q; t = q->next, free(q), q=t); 02375 sub->cx_queue = NULL; 02376 ast_mutex_unlock(&sub->cx_queue_lock); 02377 } 02378 }
static void dump_queue | ( | struct mgcp_gateway * | gw, | |
struct mgcp_endpoint * | p | |||
) | [static] |
Definition at line 527 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_endpoint(), destroy_gateway(), and handle_request().
00528 { 00529 struct mgcp_message *cur, *q = NULL, *w, *prev; 00530 00531 ast_mutex_lock(&gw->msgs_lock); 00532 prev = NULL, cur = gw->msgs; 00533 while (cur) { 00534 if (!p || cur->owner_ep == p) { 00535 if (prev) 00536 prev->next = cur->next; 00537 else 00538 gw->msgs = cur->next; 00539 00540 ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n", 00541 gw->name, cur->seqno); 00542 00543 w = cur; 00544 cur = cur->next; 00545 if (q) { 00546 w->next = q; 00547 } else { 00548 w->next = NULL; 00549 } 00550 q = w; 00551 } else { 00552 prev = cur, cur=cur->next; 00553 } 00554 } 00555 ast_mutex_unlock(&gw->msgs_lock); 00556 00557 while (q) { 00558 cur = q; 00559 q = q->next; 00560 free(cur); 00561 } 00562 }
static int find_and_retrans | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 3278 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().
03279 { 03280 int seqno=0; 03281 time_t now; 03282 struct mgcp_response *prev = NULL, *cur, *next, *answer=NULL; 03283 time(&now); 03284 if (sscanf(req->identifier, "%d", &seqno) != 1) 03285 seqno = 0; 03286 cur = sub->parent->parent->responses; 03287 while(cur) { 03288 next = cur->next; 03289 if (now - cur->whensent > RESPONSE_TIMEOUT) { 03290 /* Delete this entry */ 03291 if (prev) 03292 prev->next = next; 03293 else 03294 sub->parent->parent->responses = next; 03295 free(cur); 03296 } else { 03297 if (seqno == cur->seqno) 03298 answer = cur; 03299 prev = cur; 03300 } 03301 cur = next; 03302 } 03303 if (answer) { 03304 resend_response(sub, answer); 03305 return 1; 03306 } 03307 return 0; 03308 }
static struct mgcp_request* find_command | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
struct mgcp_request ** | queue, | |||
ast_mutex_t * | l, | |||
int | ident | |||
) | [static, read] |
find_command: (SC:) remove command transaction from queue
Definition at line 2382 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_inet_ntoa(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), mgcp_postrequest(), mgcp_request::next, and mgcp_endpoint::parent.
Referenced by agi_handle_command(), handle_response(), and handle_showagi().
02384 { 02385 struct mgcp_request *prev, *req; 02386 02387 ast_mutex_lock(l); 02388 for (prev = NULL, req = *queue; req; prev = req, req = req->next) { 02389 if (req->trid == ident) { 02390 /* remove from queue */ 02391 if (!prev) 02392 *queue = req->next; 02393 else 02394 prev->next = req->next; 02395 02396 /* send next pending command */ 02397 if (*queue) { 02398 if (mgcpdebug) { 02399 ast_verbose("Posting Queued Request:\n%s to %s:%d\n", (*queue)->data, 02400 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 02401 } 02402 02403 mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid); 02404 } 02405 break; 02406 } 02407 } 02408 ast_mutex_unlock(l); 02409 return req; 02410 }
static struct mgcp_subchannel* find_subchannel_and_lock | ( | char * | name, | |
int | msgid, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1585 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().
01586 { 01587 struct mgcp_endpoint *p = NULL; 01588 struct mgcp_subchannel *sub = NULL; 01589 struct mgcp_gateway *g; 01590 char tmp[256] = ""; 01591 char *at = NULL, *c; 01592 int found = 0; 01593 if (name) { 01594 ast_copy_string(tmp, name, sizeof(tmp)); 01595 at = strchr(tmp, '@'); 01596 if (!at) { 01597 ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name); 01598 return NULL; 01599 } 01600 *at++ = '\0'; 01601 } 01602 ast_mutex_lock(&gatelock); 01603 if (at && (at[0] == '[')) { 01604 at++; 01605 c = strrchr(at, ']'); 01606 if (c) 01607 *c = '\0'; 01608 } 01609 g = gateways; 01610 while(g) { 01611 if ((!name || !strcasecmp(g->name, at)) && 01612 (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) { 01613 /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */ 01614 if (sin && g->dynamic && name) { 01615 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01616 (g->addr.sin_port != sin->sin_port)) { 01617 memcpy(&g->addr, sin, sizeof(g->addr)); 01618 if (ast_ouraddrfor(&g->addr.sin_addr, &g->ourip)) 01619 memcpy(&g->ourip, &__ourip, sizeof(g->ourip)); 01620 if (option_verbose > 2) 01621 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)); 01622 } 01623 } 01624 /* not dynamic, check if the name matches */ 01625 else if (name) { 01626 if (strcasecmp(g->name, at)) { 01627 g = g->next; 01628 continue; 01629 } 01630 } 01631 /* not dynamic, no name, check if the addr matches */ 01632 else if (!name && sin) { 01633 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01634 (g->addr.sin_port != sin->sin_port)) { 01635 g = g->next; 01636 continue; 01637 } 01638 } else { 01639 g = g->next; 01640 continue; 01641 } 01642 /* SC */ 01643 p = g->endpoints; 01644 while(p) { 01645 if (option_debug) 01646 ast_log(LOG_DEBUG, "Searching on %s@%s for subchannel\n", 01647 p->name, g->name); 01648 if (msgid) { 01649 #if 0 /* new transport mech */ 01650 sub = p->sub; 01651 do { 01652 if (option_debug) 01653 ast_log(LOG_DEBUG, "Searching on %s@%s-%d for subchannel with lastout: %d\n", 01654 p->name, g->name, sub->id, msgid); 01655 if (sub->lastout == msgid) { 01656 if (option_debug) 01657 ast_log(LOG_DEBUG, "Found subchannel sub%d to handle request %d sub->lastout: %d\n", 01658 sub->id, msgid, sub->lastout); 01659 found = 1; 01660 break; 01661 } 01662 sub = sub->next; 01663 } while (sub != p->sub); 01664 if (found) { 01665 break; 01666 } 01667 #endif 01668 /* SC */ 01669 sub = p->sub; 01670 found = 1; 01671 /* SC */ 01672 break; 01673 } else if (name && !strcasecmp(p->name, tmp)) { 01674 ast_log(LOG_DEBUG, "Coundn't determine subchannel, assuming current master %s@%s-%d\n", 01675 p->name, g->name, p->sub->id); 01676 sub = p->sub; 01677 found = 1; 01678 break; 01679 } 01680 p = p->next; 01681 } 01682 if (sub && found) { 01683 ast_mutex_lock(&sub->lock); 01684 break; 01685 } 01686 } 01687 g = g->next; 01688 } 01689 ast_mutex_unlock(&gatelock); 01690 if (!sub) { 01691 if (name) { 01692 if (g) 01693 ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at); 01694 else 01695 ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp); 01696 } 01697 } 01698 return sub; 01699 }
static char* get_csv | ( | char * | c, | |
int * | len, | |||
char ** | next | |||
) | [static] |
get_csv: (SC:) get comma separated value
Definition at line 1564 of file chan_mgcp.c.
References s.
Referenced by handle_response().
01565 { 01566 char *s; 01567 01568 *next = NULL, *len = 0; 01569 if (!c) return NULL; 01570 01571 while (*c && (*c < 33 || *c == ',')) 01572 c++; 01573 01574 s = c; 01575 while (*c && (*c >= 33 && *c != ',')) 01576 c++, (*len)++; 01577 *next = c; 01578 01579 if (*len == 0) 01580 s = NULL, *next = NULL; 01581 01582 return s; 01583 }
static char* get_header | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1557 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().
01558 { 01559 int start = 0; 01560 return __get_header(req, name, &start); 01561 }
static char* get_sdp | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1509 of file chan_mgcp.c.
References get_sdp_by_line(), len, mgcp_request::line, and mgcp_request::lines.
Referenced by process_sdp().
01510 { 01511 int x; 01512 int len = strlen(name); 01513 char *r; 01514 01515 for (x=0; x<req->lines; x++) { 01516 r = get_sdp_by_line(req->line[x], name, len); 01517 if (r[0] != '\0') return r; 01518 } 01519 return ""; 01520 }
static char* get_sdp_by_line | ( | char * | line, | |
char * | name, | |||
int | nameLen | |||
) | [static] |
Definition at line 1499 of file chan_mgcp.c.
Referenced by get_sdp(), and get_sdp_iterate().
01500 { 01501 if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') { 01502 char* r = line + nameLen + 1; 01503 while (*r && (*r < 33)) ++r; 01504 return r; 01505 } 01506 return ""; 01507 }
static char* get_sdp_iterate | ( | int * | iterator, | |
struct mgcp_request * | req, | |||
char * | name | |||
) | [static] |
Definition at line 1527 of file chan_mgcp.c.
References get_sdp_by_line(), len, and mgcp_request::line.
Referenced by get_sdp(), and process_sdp().
01528 { 01529 int len = strlen(name); 01530 char *r; 01531 while (*iterator < req->lines) { 01532 r = get_sdp_by_line(req->line[(*iterator)++], name, len); 01533 if (r[0] != '\0') return r; 01534 } 01535 return ""; 01536 }
static void handle_hd_hf | ( | struct mgcp_subchannel * | sub, | |
char * | ev | |||
) | [static] |
Definition at line 2926 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, 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(), t, transmit_modify_request(), and transmit_notify_request().
Referenced by handle_request().
02927 { 02928 struct mgcp_endpoint *p = sub->parent; 02929 struct ast_channel *c; 02930 pthread_t t; 02931 pthread_attr_t attr; 02932 pthread_attr_init(&attr); 02933 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 02934 02935 /* Off hook / answer */ 02936 if (sub->outgoing) { 02937 /* Answered */ 02938 if (sub->owner) { 02939 if (ast_bridged_channel(sub->owner)) 02940 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 02941 sub->cxmode = MGCP_CX_SENDRECV; 02942 if (!sub->rtp) { 02943 start_rtp(sub); 02944 } else { 02945 transmit_modify_request(sub); 02946 } 02947 /*transmit_notify_request(sub, "aw");*/ 02948 transmit_notify_request(sub, ""); 02949 mgcp_queue_control(sub, AST_CONTROL_ANSWER); 02950 } 02951 } else { 02952 /* Start switch */ 02953 /*sub->cxmode = MGCP_CX_SENDRECV;*/ 02954 if (!sub->owner) { 02955 if (!sub->rtp) { 02956 start_rtp(sub); 02957 } else { 02958 transmit_modify_request(sub); 02959 } 02960 if (p->immediate) { 02961 /* The channel is immediately up. Start right away */ 02962 #ifdef DLINK_BUGGY_FIRMWARE 02963 transmit_notify_request(sub, "rt"); 02964 #else 02965 transmit_notify_request(sub, "G/rt"); 02966 #endif 02967 c = mgcp_new(sub, AST_STATE_RING); 02968 if (!c) { 02969 ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name); 02970 transmit_notify_request(sub, "G/cg"); 02971 ast_hangup(c); 02972 } 02973 } else { 02974 if (has_voicemail(p)) { 02975 transmit_notify_request(sub, "L/sl"); 02976 } else { 02977 transmit_notify_request(sub, "L/dl"); 02978 } 02979 c = mgcp_new(sub, AST_STATE_DOWN); 02980 if (c) { 02981 if (ast_pthread_create(&t, &attr, mgcp_ss, c)) { 02982 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno)); 02983 ast_hangup(c); 02984 } 02985 } else { 02986 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name); 02987 } 02988 } 02989 } else { 02990 if (p->hookstate == MGCP_OFFHOOK) { 02991 ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name); 02992 } else { 02993 ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name); 02994 ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n"); 02995 } 02996 if (ast_bridged_channel(sub->owner)) 02997 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 02998 sub->cxmode = MGCP_CX_SENDRECV; 02999 if (!sub->rtp) { 03000 start_rtp(sub); 03001 } else { 03002 transmit_modify_request(sub); 03003 } 03004 /*transmit_notify_request(sub, "aw");*/ 03005 transmit_notify_request(sub, ""); 03006 /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/ 03007 } 03008 } 03009 pthread_attr_destroy(&attr); 03010 }
static int handle_request | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 3012 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, ast_frame::frametype, 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_endpoint::next, mgcp_subchannel::next, option_verbose, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, s, ast_frame::src, mgcp_endpoint::sub, ast_frame::subclass, mgcp_endpoint::threewaycalling, mgcp_endpoint::transfer, transmit_audit_endpoint(), transmit_connection_del(), transmit_modify_request(), transmit_notify_request(), transmit_response(), mgcp_request::verb, VERBOSE_PREFIX_3, and mgcp_gateway::wcardep.
Referenced by mgcpsock_read(), and sipsock_read().
03013 { 03014 char *ev, *s; 03015 struct ast_frame f = { 0, }; 03016 struct mgcp_endpoint *p = sub->parent; 03017 struct mgcp_gateway *g = NULL; 03018 int res; 03019 03020 if (mgcpdebug) { 03021 ast_verbose("Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name); 03022 } 03023 /* Clear out potential response */ 03024 if (!strcasecmp(req->verb, "RSIP")) { 03025 /* Test if this RSIP request is just a keepalive */ 03026 if(!strcasecmp( get_header(req, "RM"), "X-keepalive")) { 03027 if (option_verbose > 2) 03028 ast_verbose(VERBOSE_PREFIX_3 "Received keepalive request from %s@%s\n", p->name, p->parent->name); 03029 transmit_response(sub, "200", req, "OK"); 03030 } else { 03031 dump_queue(p->parent, p); 03032 dump_cmd_queues(p, NULL); 03033 03034 if (option_verbose > 2 && (strcmp(p->name, p->parent->wcardep) != 0)) { 03035 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", p->name, p->parent->name); 03036 } 03037 /* For RSIP on wildcard we reset all endpoints */ 03038 if (!strcmp(p->name, p->parent->wcardep)) { 03039 /* Reset all endpoints */ 03040 struct mgcp_endpoint *tmp_ep; 03041 03042 g = p->parent; 03043 tmp_ep = g->endpoints; 03044 while (tmp_ep) { 03045 /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/ 03046 if (strcmp(tmp_ep->name, g->wcardep) != 0) { 03047 struct mgcp_subchannel *tmp_sub, *first_sub; 03048 if (option_verbose > 2) { 03049 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name); 03050 } 03051 03052 first_sub = tmp_ep->sub; 03053 tmp_sub = tmp_ep->sub; 03054 while (tmp_sub) { 03055 mgcp_queue_hangup(tmp_sub); 03056 tmp_sub = tmp_sub->next; 03057 if (tmp_sub == first_sub) 03058 break; 03059 } 03060 } 03061 tmp_ep = tmp_ep->next; 03062 } 03063 } else if (sub->owner) { 03064 mgcp_queue_hangup(sub); 03065 } 03066 transmit_response(sub, "200", req, "OK"); 03067 /* We dont send NTFY or AUEP to wildcard ep */ 03068 if (strcmp(p->name, p->parent->wcardep) != 0) { 03069 transmit_notify_request(sub, ""); 03070 /* Audit endpoint. 03071 Idea is to prevent lost lines due to race conditions 03072 */ 03073 transmit_audit_endpoint(p); 03074 } 03075 } 03076 } else if (!strcasecmp(req->verb, "NTFY")) { 03077 /* Acknowledge and be sure we keep looking for the same things */ 03078 transmit_response(sub, "200", req, "OK"); 03079 /* Notified of an event */ 03080 ev = get_header(req, "O"); 03081 s = strchr(ev, '/'); 03082 if (s) ev = s + 1; 03083 ast_log(LOG_DEBUG, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev); 03084 /* Keep looking for events unless this was a hangup */ 03085 if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) { 03086 transmit_notify_request(sub, p->curtone); 03087 } 03088 if (!strcasecmp(ev, "hd")) { 03089 p->hookstate = MGCP_OFFHOOK; 03090 sub->cxmode = MGCP_CX_SENDRECV; 03091 handle_hd_hf(sub, ev); 03092 } else if (!strcasecmp(ev, "hf")) { 03093 /* We can assume we are offhook if we received a hookflash */ 03094 /* First let's just do call wait and ignore threeway */ 03095 /* We're currently in charge */ 03096 if (p->hookstate != MGCP_OFFHOOK) { 03097 /* Cisco c7940 sends hf even if the phone is onhook */ 03098 /* Thanks to point on IRC for pointing this out */ 03099 return -1; 03100 } 03101 /* do not let * conference two down channels */ 03102 if (sub->owner && sub->owner->_state == AST_STATE_DOWN && !sub->next->owner) 03103 return -1; 03104 03105 if (p->callwaiting || p->transfer || p->threewaycalling) { 03106 if (option_verbose > 2) { 03107 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); 03108 } 03109 p->sub = p->sub->next; 03110 03111 /* transfer control to our next subchannel */ 03112 if (!sub->next->owner) { 03113 /* plave the first call on hold and start up a new call */ 03114 sub->cxmode = MGCP_CX_MUTE; 03115 if (option_verbose > 2) { 03116 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03117 } 03118 transmit_modify_request(sub); 03119 if (sub->owner && ast_bridged_channel(sub->owner)) 03120 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03121 sub->next->cxmode = MGCP_CX_RECVONLY; 03122 handle_hd_hf(sub->next, ev); 03123 } else if (sub->owner && sub->next->owner) { 03124 /* We've got two active calls lets decide whether or not to conference or just flip flop */ 03125 if ((!sub->outgoing) && (!sub->next->outgoing)) { 03126 /* We made both calls lets conferenct */ 03127 if (option_verbose > 2) { 03128 ast_verbose(VERBOSE_PREFIX_3 "MGCP Conferencing %d and %d on %s@%s\n", 03129 sub->id, sub->next->id, p->name, p->parent->name); 03130 } 03131 sub->cxmode = MGCP_CX_CONF; 03132 sub->next->cxmode = MGCP_CX_CONF; 03133 if (ast_bridged_channel(sub->next->owner)) 03134 ast_queue_control(sub->next->owner, AST_CONTROL_UNHOLD); 03135 transmit_modify_request(sub); 03136 transmit_modify_request(sub->next); 03137 } else { 03138 /* Let's flipflop between calls */ 03139 /* XXX Need to check for state up ??? */ 03140 /* XXX Need a way to indicate the current call, or maybe the call that's waiting */ 03141 if (option_verbose > 2) { 03142 ast_verbose(VERBOSE_PREFIX_3 "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n", 03143 sub->id, sub->next->id, p->name, p->parent->name); 03144 } 03145 sub->cxmode = MGCP_CX_MUTE; 03146 if (option_verbose > 2) { 03147 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03148 } 03149 transmit_modify_request(sub); 03150 if (ast_bridged_channel(sub->owner)) 03151 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03152 03153 if (ast_bridged_channel(sub->next->owner)) 03154 ast_queue_control(sub->next->owner, AST_CONTROL_HOLD); 03155 03156 handle_hd_hf(sub->next, ev); 03157 } 03158 } else { 03159 /* We've most likely lost one of our calls find an active call and bring it up */ 03160 if (sub->owner) { 03161 p->sub = sub; 03162 } else if (sub->next->owner) { 03163 p->sub = sub->next; 03164 } else { 03165 /* We seem to have lost both our calls */ 03166 /* XXX - What do we do now? */ 03167 return -1; 03168 } 03169 if (ast_bridged_channel(p->sub->owner)) 03170 ast_queue_control(p->sub->owner, AST_CONTROL_UNHOLD); 03171 p->sub->cxmode = MGCP_CX_SENDRECV; 03172 transmit_modify_request(p->sub); 03173 } 03174 } else { 03175 ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n", 03176 p->name, p->parent->name); 03177 } 03178 } else if (!strcasecmp(ev, "hu")) { 03179 p->hookstate = MGCP_ONHOOK; 03180 sub->cxmode = MGCP_CX_RECVONLY; 03181 ast_log(LOG_DEBUG, "MGCP %s@%s Went on hook\n", p->name, p->parent->name); 03182 /* Do we need to send MDCX before a DLCX ? 03183 if (sub->rtp) { 03184 transmit_modify_request(sub); 03185 } 03186 */ 03187 if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) { 03188 /* We're allowed to transfer, we have two avtive calls and */ 03189 /* we made at least one of the calls. Let's try and transfer */ 03190 ast_mutex_lock(&p->sub->next->lock); 03191 res = attempt_transfer(p); 03192 if (res < 0) { 03193 if (p->sub->next->owner) { 03194 sub->next->alreadygone = 1; 03195 mgcp_queue_hangup(sub->next); 03196 } 03197 } else if (res) { 03198 ast_log(LOG_WARNING, "Transfer attempt failed\n"); 03199 ast_mutex_unlock(&p->sub->next->lock); 03200 return -1; 03201 } 03202 ast_mutex_unlock(&p->sub->next->lock); 03203 } else { 03204 /* Hangup the current call */ 03205 /* If there is another active call, mgcp_hangup will ring the phone with the other call */ 03206 if (sub->owner) { 03207 sub->alreadygone = 1; 03208 mgcp_queue_hangup(sub); 03209 } else { 03210 /* verbose level check */ 03211 if (option_verbose > 2) { 03212 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n", 03213 p->name, p->parent->name, sub->id); 03214 } 03215 /* Instruct the other side to remove the connection since it apparently * 03216 * still thinks the channel is active. * 03217 * For Cisco IAD2421 /BAK/ */ 03218 transmit_connection_del(sub); 03219 } 03220 } 03221 if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) { 03222 p->hidecallerid = 0; 03223 if (p->hascallwaiting && !p->callwaiting) { 03224 if (option_verbose > 2) 03225 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id); 03226 p->callwaiting = -1; 03227 } 03228 if (has_voicemail(p)) { 03229 if (option_verbose > 2) { 03230 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name); 03231 } 03232 transmit_notify_request(sub, "L/vmwi(+)"); 03233 } else { 03234 if (option_verbose > 2) { 03235 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name); 03236 } 03237 transmit_notify_request(sub, "L/vmwi(-)"); 03238 } 03239 } 03240 } else if ((strlen(ev) == 1) && 03241 (((ev[0] >= '0') && (ev[0] <= '9')) || 03242 ((ev[0] >= 'A') && (ev[0] <= 'D')) || 03243 (ev[0] == '*') || (ev[0] == '#'))) { 03244 if (sub && (sub->owner->_state >= AST_STATE_UP)) { 03245 f.frametype = AST_FRAME_DTMF; 03246 f.subclass = ev[0]; 03247 f.src = "mgcp"; 03248 if (sub->owner) { 03249 /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */ 03250 mgcp_queue_frame(sub, &f); 03251 ast_mutex_lock(&sub->next->lock); 03252 if (sub->next->owner) { 03253 mgcp_queue_frame(sub->next, &f); 03254 } 03255 ast_mutex_unlock(&sub->next->lock); 03256 } 03257 if (strstr(p->curtone, "wt") && (ev[0] == 'A')) { 03258 memset(p->curtone, 0, sizeof(p->curtone)); 03259 } 03260 } else { 03261 p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0]; 03262 p->dtmf_buf[strlen(p->dtmf_buf)] = '\0'; 03263 } 03264 } else if (!strcasecmp(ev, "T")) { 03265 /* Digit timeout -- unimportant */ 03266 } else if (!strcasecmp(ev, "ping")) { 03267 /* ping -- unimportant */ 03268 } else { 03269 ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name); 03270 } 03271 } else { 03272 ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr)); 03273 transmit_response(sub, "510", req, "Unknown verb"); 03274 } 03275 return 0; 03276 }
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 2413 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().
02415 { 02416 char *c; 02417 struct mgcp_request *req; 02418 struct mgcp_gateway *gw = p->parent; 02419 02420 if (result < 200) { 02421 /* provisional response */ 02422 return; 02423 } 02424 02425 if (p->slowsequence) 02426 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02427 else if (sub) 02428 req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident); 02429 else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident))) 02430 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02431 02432 if (!req) { 02433 if (option_verbose > 2) { 02434 ast_verbose(VERBOSE_PREFIX_3 "No command found on [%s] for transaction %d. Ignoring...\n", 02435 gw->name, ident); 02436 } 02437 return; 02438 } 02439 02440 if (p && (result >= 400) && (result <= 599)) { 02441 switch (result) { 02442 case 401: 02443 p->hookstate = MGCP_OFFHOOK; 02444 break; 02445 case 402: 02446 p->hookstate = MGCP_ONHOOK; 02447 break; 02448 case 406: 02449 ast_log(LOG_NOTICE, "Transaction %d timed out\n", ident); 02450 break; 02451 case 407: 02452 ast_log(LOG_NOTICE, "Transaction %d aborted\n", ident); 02453 break; 02454 } 02455 if (sub) { 02456 if (sub->owner) { 02457 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02458 result, p->name, p->parent->name, sub ? sub->id:-1); 02459 mgcp_queue_hangup(sub); 02460 } 02461 } else { 02462 if (p->sub->next->owner) { 02463 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02464 result, p->name, p->parent->name, sub ? sub->id:-1); 02465 mgcp_queue_hangup(p->sub); 02466 } 02467 02468 if (p->sub->owner) { 02469 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02470 result, p->name, p->parent->name, sub ? sub->id:-1); 02471 mgcp_queue_hangup(p->sub); 02472 } 02473 02474 dump_cmd_queues(p, NULL); 02475 } 02476 } 02477 02478 if (resp) { 02479 if (req->cmd == MGCP_CMD_CRCX) { 02480 if ((c = get_header(resp, "I"))) { 02481 if (!ast_strlen_zero(c) && sub) { 02482 /* if we are hanging up do not process this conn. */ 02483 if (sub->owner) { 02484 if (!ast_strlen_zero(sub->cxident)) { 02485 if (strcasecmp(c, sub->cxident)) { 02486 ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c); 02487 } 02488 } 02489 ast_copy_string(sub->cxident, c, sizeof(sub->cxident)); 02490 if (sub->tmpdest.sin_addr.s_addr) { 02491 transmit_modify_with_sdp(sub, NULL, 0); 02492 } 02493 } else { 02494 /* XXX delete this one 02495 callid and conn id may already be lost. 02496 so the following del conn may have a side effect of 02497 cleaning up the next subchannel */ 02498 transmit_connection_del(sub); 02499 } 02500 } 02501 } 02502 } 02503 02504 if (req->cmd == MGCP_CMD_AUEP) { 02505 /* check stale connection ids */ 02506 if ((c = get_header(resp, "I"))) { 02507 char *v, *n; 02508 int len; 02509 while ((v = get_csv(c, &len, &n))) { 02510 if (len) { 02511 if (strncasecmp(v, p->sub->cxident, len) && 02512 strncasecmp(v, p->sub->next->cxident, len)) { 02513 /* connection id not found. delete it */ 02514 char cxident[80] = ""; 02515 02516 if (len > (sizeof(cxident) - 1)) 02517 len = sizeof(cxident) - 1; 02518 ast_copy_string(cxident, v, len); 02519 if (option_verbose > 2) { 02520 ast_verbose(VERBOSE_PREFIX_3 "Non existing connection id %s on %s@%s \n", 02521 cxident, p->name, gw->name); 02522 } 02523 transmit_connection_del_w_params(p, NULL, cxident); 02524 } 02525 } 02526 c = n; 02527 } 02528 } 02529 02530 /* Try to determine the hookstate returned from an audit endpoint command */ 02531 if ((c = get_header(resp, "ES"))) { 02532 if (!ast_strlen_zero(c)) { 02533 if (strstr(c, "hu")) { 02534 if (p->hookstate != MGCP_ONHOOK) { 02535 /* XXX cleanup if we think we are offhook XXX */ 02536 if ((p->sub->owner || p->sub->next->owner ) && 02537 p->hookstate == MGCP_OFFHOOK) 02538 mgcp_queue_hangup(sub); 02539 p->hookstate = MGCP_ONHOOK; 02540 02541 /* update the requested events according to the new hookstate */ 02542 transmit_notify_request(p->sub, ""); 02543 02544 /* verbose level check */ 02545 if (option_verbose > 2) { 02546 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name); 02547 } 02548 } 02549 } else if (strstr(c, "hd")) { 02550 if (p->hookstate != MGCP_OFFHOOK) { 02551 p->hookstate = MGCP_OFFHOOK; 02552 02553 /* update the requested events according to the new hookstate */ 02554 transmit_notify_request(p->sub, ""); 02555 02556 /* verbose level check */ 02557 if (option_verbose > 2) { 02558 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name); 02559 } 02560 } 02561 } 02562 } 02563 } 02564 } 02565 02566 if (resp && resp->lines) { 02567 /* do not process sdp if we are hanging up. this may be a late response */ 02568 if (sub && sub->owner) { 02569 if (!sub->rtp) 02570 start_rtp(sub); 02571 if (sub->rtp) 02572 process_sdp(sub, resp); 02573 } 02574 } 02575 } 02576 02577 free(req); 02578 }
static int has_voicemail | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 454 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().
00455 { 00456 return ast_app_has_voicemail(p->mailbox, NULL); 00457 }
static int init_req | ( | struct mgcp_endpoint * | p, | |
struct mgcp_request * | req, | |||
char * | verb | |||
) | [static] |
Definition at line 1950 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, and mgcp_endpoint::parent.
Referenced by initreqprep(), reqprep(), and transmit_register().
01951 { 01952 /* Initialize a response */ 01953 if (req->headers || req->len) { 01954 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01955 return -1; 01956 } 01957 req->header[req->headers] = req->data + req->len; 01958 /* check if we need brackets around the gw name */ 01959 if (p->parent->isnamedottedip) 01960 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); 01961 else 01962 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); 01963 req->len += strlen(req->header[req->headers]); 01964 if (req->headers < MGCP_MAX_HEADERS) 01965 req->headers++; 01966 else 01967 ast_log(LOG_WARNING, "Out of header space\n"); 01968 return 0; 01969 }
static int init_resp | ( | struct mgcp_request * | req, | |
char * | resp, | |||
struct mgcp_request * | orig, | |||
char * | resprest | |||
) | [static] |
Definition at line 1933 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().
01934 { 01935 /* Initialize a response */ 01936 if (req->headers || req->len) { 01937 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01938 return -1; 01939 } 01940 req->header[req->headers] = req->data + req->len; 01941 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest); 01942 req->len += strlen(req->header[req->headers]); 01943 if (req->headers < MGCP_MAX_HEADERS) 01944 req->headers++; 01945 else 01946 ast_log(LOG_WARNING, "Out of header space\n"); 01947 return 0; 01948 }
static int load_module | ( | void | ) | [static] |
load_module: PBX load module - initialization ---
Definition at line 4259 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(), io_context_create(), io_context_destroy(), LOG_ERROR, LOG_WARNING, reload_config(), restart_monitor(), sched_context_create(), and sched_context_destroy().
04260 { 04261 if (!(sched = sched_context_create())) { 04262 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 04263 return AST_MODULE_LOAD_FAILURE; 04264 } 04265 04266 if (!(io = io_context_create())) { 04267 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 04268 sched_context_destroy(sched); 04269 return AST_MODULE_LOAD_FAILURE; 04270 } 04271 04272 if (reload_config()) 04273 return AST_MODULE_LOAD_DECLINE; 04274 04275 /* Make sure we can register our mgcp channel type */ 04276 if (ast_channel_register(&mgcp_tech)) { 04277 ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n"); 04278 io_context_destroy(io); 04279 sched_context_destroy(sched); 04280 return AST_MODULE_LOAD_FAILURE; 04281 } 04282 04283 ast_rtp_proto_register(&mgcp_rtp); 04284 ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04285 04286 /* And start the monitor for the first time */ 04287 restart_monitor(); 04288 04289 return AST_MODULE_LOAD_SUCCESS; 04290 }
static int mgcp_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1158 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(), ast_channel::tech_pvt, transmit_modify_request(), transmit_notify_request(), and VERBOSE_PREFIX_3.
01159 { 01160 int res = 0; 01161 struct mgcp_subchannel *sub = ast->tech_pvt; 01162 struct mgcp_endpoint *p = sub->parent; 01163 01164 ast_mutex_lock(&sub->lock); 01165 sub->cxmode = MGCP_CX_SENDRECV; 01166 if (!sub->rtp) { 01167 start_rtp(sub); 01168 } else { 01169 transmit_modify_request(sub); 01170 } 01171 /* verbose level check */ 01172 if (option_verbose > 2) { 01173 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_answer(%s) on %s@%s-%d\n", 01174 ast->name, p->name, p->parent->name, sub->id); 01175 } 01176 if (ast->_state != AST_STATE_UP) { 01177 ast_setstate(ast, AST_STATE_UP); 01178 if (option_debug) 01179 ast_log(LOG_DEBUG, "mgcp_answer(%s)\n", ast->name); 01180 transmit_notify_request(sub, ""); 01181 transmit_modify_request(sub); 01182 } 01183 ast_mutex_unlock(&sub->lock); 01184 return res; 01185 }
static int mgcp_audit_endpoint | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1065 of file chan_mgcp.c.
References ast_cli(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_gateway::endpoints, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_gateway::next, mgcp_endpoint::next, RESULT_SHOWUSAGE, RESULT_SUCCESS, and transmit_audit_endpoint().
01066 { 01067 struct mgcp_gateway *g; 01068 struct mgcp_endpoint *e; 01069 int found = 0; 01070 char *ename,*gname, *c; 01071 01072 if (!mgcpdebug) { 01073 return RESULT_SHOWUSAGE; 01074 } 01075 if (argc != 4) 01076 return RESULT_SHOWUSAGE; 01077 /* split the name into parts by null */ 01078 ename = argv[3]; 01079 gname = ename; 01080 while (*gname) { 01081 if (*gname == '@') { 01082 *gname = 0; 01083 gname++; 01084 break; 01085 } 01086 gname++; 01087 } 01088 if (gname[0] == '[') 01089 gname++; 01090 if ((c = strrchr(gname, ']'))) 01091 *c = '\0'; 01092 ast_mutex_lock(&gatelock); 01093 g = gateways; 01094 while(g) { 01095 if (!strcasecmp(g->name, gname)) { 01096 e = g->endpoints; 01097 while(e) { 01098 if (!strcasecmp(e->name, ename)) { 01099 found = 1; 01100 transmit_audit_endpoint(e); 01101 break; 01102 } 01103 e = e->next; 01104 } 01105 if (found) { 01106 break; 01107 } 01108 } 01109 g = g->next; 01110 } 01111 if (!found) { 01112 ast_cli(fd, " << Could not find endpoint >> "); 01113 } 01114 ast_mutex_unlock(&gatelock); 01115 return RESULT_SUCCESS; 01116 }
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, 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 1304 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.
01305 { 01306 struct mgcp_gateway *g; 01307 struct mgcp_endpoint *e = NULL; 01308 char *tmp, *endpt, *gw; 01309 int ret = AST_DEVICE_INVALID; 01310 01311 endpt = ast_strdupa(data); 01312 if ((tmp = strchr(endpt, '@'))) { 01313 *tmp++ = '\0'; 01314 gw = tmp; 01315 } else 01316 goto error; 01317 01318 ast_mutex_lock(&gatelock); 01319 g = gateways; 01320 while (g) { 01321 if (strcasecmp(g->name, gw) == 0) { 01322 e = g->endpoints; 01323 break; 01324 } 01325 g = g->next; 01326 } 01327 01328 if (!e) 01329 goto error; 01330 01331 while (e) { 01332 if (strcasecmp(e->name, endpt) == 0) 01333 break; 01334 e = e->next; 01335 } 01336 01337 if (!e) 01338 goto error; 01339 01340 /* 01341 * As long as the gateway/endpoint is valid, we'll 01342 * assume that the device is available and its state 01343 * can be tracked. 01344 */ 01345 ret = AST_DEVICE_UNKNOWN; 01346 01347 error: 01348 ast_mutex_unlock(&gatelock); 01349 return ret; 01350 }
static int mgcp_do_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1118 of file chan_mgcp.c.
References ast_cli(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01119 { 01120 if (argc != 3) 01121 return RESULT_SHOWUSAGE; 01122 mgcpdebug = 1; 01123 ast_cli(fd, "MGCP Debugging Enabled\n"); 01124 return RESULT_SUCCESS; 01125 }
static int mgcp_do_reload | ( | void | ) | [static] |
mgcp_do_reload: Reload module
Definition at line 4293 of file chan_mgcp.c.
References reload_config().
Referenced by do_monitor().
04294 { 04295 reload_config(); 04296 return 0; 04297 }
static int mgcp_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1258 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.
01259 { 01260 struct mgcp_subchannel *sub = newchan->tech_pvt; 01261 01262 ast_mutex_lock(&sub->lock); 01263 ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", oldchan->name, newchan->name); 01264 if (sub->owner != oldchan) { 01265 ast_mutex_unlock(&sub->lock); 01266 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner); 01267 return -1; 01268 } 01269 sub->owner = newchan; 01270 ast_mutex_unlock(&sub->lock); 01271 return 0; 01272 }
static enum ast_rtp_get_result mgcp_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp ** | rtp | |||
) | [static] |
Definition at line 3949 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.
03950 { 03951 struct mgcp_subchannel *sub = NULL; 03952 03953 if (!(sub = chan->tech_pvt) || !(sub->rtp)) 03954 return AST_RTP_GET_FAILED; 03955 03956 *rtp = sub->rtp; 03957 03958 if (sub->parent->canreinvite) 03959 return AST_RTP_TRY_NATIVE; 03960 else 03961 return AST_RTP_TRY_PARTIAL; 03962 }
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::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, 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 /* Reset temporary destination */ 00981 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00982 if (sub->rtp) { 00983 ast_rtp_destroy(sub->rtp); 00984 sub->rtp = NULL; 00985 } 00986 00987 ast_module_unref(ast_module_info->self); 00988 00989 if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) { 00990 p->hidecallerid = 0; 00991 if (p->hascallwaiting && !p->callwaiting) { 00992 if (option_verbose > 2) 00993 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on %s\n", ast->name); 00994 p->callwaiting = -1; 00995 } 00996 if (has_voicemail(p)) { 00997 if (mgcpdebug) { 00998 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n", 00999 ast->name, p->name, p->parent->name); 01000 } 01001 transmit_notify_request(sub, "L/vmwi(+)"); 01002 } else { 01003 if (mgcpdebug) { 01004 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n", 01005 ast->name, p->name, p->parent->name); 01006 } 01007 transmit_notify_request(sub, "L/vmwi(-)"); 01008 } 01009 } 01010 ast_mutex_unlock(&sub->lock); 01011 return 0; 01012 }
static int mgcp_indicate | ( | struct ast_channel * | ast, | |
int | ind, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1384 of file chan_mgcp.c.
References AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_HOLD, AST_CONTROL_RINGING, AST_CONTROL_UNHOLD, ast_log(), ast_moh_start(), ast_moh_stop(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), control2str(), mgcp_subchannel::lock, LOG_WARNING, ast_channel::tech_pvt, transmit_notify_request(), and VERBOSE_PREFIX_3.
01385 { 01386 struct mgcp_subchannel *sub = ast->tech_pvt; 01387 int res = 0; 01388 01389 if (mgcpdebug) { 01390 ast_verbose(VERBOSE_PREFIX_3 "MGCP asked to indicate %d '%s' condition on channel %s\n", 01391 ind, control2str(ind), ast->name); 01392 } 01393 ast_mutex_lock(&sub->lock); 01394 switch(ind) { 01395 case AST_CONTROL_RINGING: 01396 #ifdef DLINK_BUGGY_FIRMWARE 01397 transmit_notify_request(sub, "rt"); 01398 #else 01399 transmit_notify_request(sub, "G/rt"); 01400 #endif 01401 break; 01402 case AST_CONTROL_BUSY: 01403 transmit_notify_request(sub, "L/bz"); 01404 break; 01405 case AST_CONTROL_CONGESTION: 01406 transmit_notify_request(sub, "G/cg"); 01407 break; 01408 case AST_CONTROL_HOLD: 01409 ast_moh_start(ast, data, NULL); 01410 break; 01411 case AST_CONTROL_UNHOLD: 01412 ast_moh_stop(ast); 01413 break; 01414 case -1: 01415 transmit_notify_request(sub, ""); 01416 break; 01417 default: 01418 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind); 01419 res = -1; 01420 } 01421 ast_mutex_unlock(&sub->lock); 01422 return res; 01423 }
static struct ast_channel* mgcp_new | ( | struct mgcp_subchannel * | sub, | |
int | state | |||
) | [static, read] |
Definition at line 1425 of file chan_mgcp.c.
References 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, mgcp_endpoint::capability, ast_channel::cid, ast_callerid::cid_ani, ast_callerid::cid_name, mgcp_endpoint::cid_name, ast_callerid::cid_num, 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, mgcp_endpoint::language, LOG_WARNING, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, 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, ast_channel::tech, ast_channel::tech_pvt, VERBOSE_PREFIX_3, and ast_channel::writeformat.
Referenced by handle_hd_hf(), and mgcp_request().
01426 { 01427 struct ast_channel *tmp; 01428 struct mgcp_endpoint *i = sub->parent; 01429 int fmt; 01430 01431 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); 01432 if (tmp) { 01433 tmp->tech = &mgcp_tech; 01434 tmp->nativeformats = i->capability; 01435 if (!tmp->nativeformats) 01436 tmp->nativeformats = capability; 01437 fmt = ast_best_codec(tmp->nativeformats); 01438 ast_string_field_build(tmp, name, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id); 01439 if (sub->rtp) 01440 tmp->fds[0] = ast_rtp_fd(sub->rtp); 01441 if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) { 01442 i->dsp = ast_dsp_new(); 01443 ast_dsp_set_features(i->dsp,DSP_FEATURE_DTMF_DETECT); 01444 /* this is to prevent clipping of dtmf tones during dsp processing */ 01445 ast_dsp_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH); 01446 } else { 01447 i->dsp = NULL; 01448 } 01449 if (state == AST_STATE_RING) 01450 tmp->rings = 1; 01451 tmp->writeformat = fmt; 01452 tmp->rawwriteformat = fmt; 01453 tmp->readformat = fmt; 01454 tmp->rawreadformat = fmt; 01455 tmp->tech_pvt = sub; 01456 if (!ast_strlen_zero(i->language)) 01457 ast_string_field_set(tmp, language, i->language); 01458 if (!ast_strlen_zero(i->accountcode)) 01459 ast_string_field_set(tmp, accountcode, i->accountcode); 01460 if (i->amaflags) 01461 tmp->amaflags = i->amaflags; 01462 sub->owner = tmp; 01463 ast_module_ref(ast_module_info->self); 01464 tmp->callgroup = i->callgroup; 01465 tmp->pickupgroup = i->pickupgroup; 01466 ast_string_field_set(tmp, call_forward, i->call_forward); 01467 ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); 01468 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01469 01470 /* Don't use ast_set_callerid() here because it will 01471 * generate a needless NewCallerID event */ 01472 tmp->cid.cid_num = ast_strdup(i->cid_num); 01473 tmp->cid.cid_ani = ast_strdup(i->cid_num); 01474 tmp->cid.cid_name = ast_strdup(i->cid_name); 01475 01476 if (!i->adsi) 01477 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01478 tmp->priority = 1; 01479 if (sub->rtp) 01480 ast_jb_configure(tmp, &global_jbconf); 01481 if (state != AST_STATE_DOWN) { 01482 if (ast_pbx_start(tmp)) { 01483 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01484 ast_hangup(tmp); 01485 tmp = NULL; 01486 } 01487 } 01488 /* verbose level check */ 01489 if (option_verbose > 2) { 01490 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_new(%s) created in state: %s\n", 01491 tmp->name, ast_state2str(state)); 01492 } 01493 } else { 01494 ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); 01495 } 01496 return tmp; 01497 }
static int mgcp_no_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1127 of file chan_mgcp.c.
References ast_cli(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01128 { 01129 if (argc != 4) 01130 return RESULT_SHOWUSAGE; 01131 mgcpdebug = 0; 01132 ast_cli(fd, "MGCP Debugging Disabled\n"); 01133 return RESULT_SUCCESS; 01134 }
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, mgcp_queue_frame(), and ast_frame::subclass.
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 564 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_trylock(), ast_mutex_unlock(), ast_queue_frame(), mgcp_subchannel::lock, ast_channel::lock, and mgcp_subchannel::owner.
Referenced by handle_request(), and mgcp_queue_control().
00565 { 00566 for(;;) { 00567 if (sub->owner) { 00568 if (!ast_mutex_trylock(&sub->owner->lock)) { 00569 ast_queue_frame(sub->owner, f); 00570 ast_mutex_unlock(&sub->owner->lock); 00571 break; 00572 } else { 00573 ast_mutex_unlock(&sub->lock); 00574 usleep(1); 00575 ast_mutex_lock(&sub->lock); 00576 } 00577 } else 00578 break; 00579 } 00580 }
static void mgcp_queue_hangup | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 582 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_trylock(), ast_mutex_unlock(), ast_queue_hangup(), mgcp_subchannel::lock, ast_channel::lock, and mgcp_subchannel::owner.
Referenced by attempt_transfer(), destroy_endpoint(), handle_request(), and handle_response().
00583 { 00584 for(;;) { 00585 if (sub->owner) { 00586 if (!ast_mutex_trylock(&sub->owner->lock)) { 00587 ast_queue_hangup(sub->owner); 00588 ast_mutex_unlock(&sub->owner->lock); 00589 break; 00590 } else { 00591 ast_mutex_unlock(&sub->lock); 00592 usleep(1); 00593 ast_mutex_lock(&sub->lock); 00594 } 00595 } else 00596 break; 00597 } 00598 }
static struct ast_frame * mgcp_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1218 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), f, mgcp_subchannel::lock, mgcp_rtp_read(), and ast_channel::tech_pvt.
01219 { 01220 struct ast_frame *f; 01221 struct mgcp_subchannel *sub = ast->tech_pvt; 01222 ast_mutex_lock(&sub->lock); 01223 f = mgcp_rtp_read(sub); 01224 ast_mutex_unlock(&sub->lock); 01225 return f; 01226 }
static int mgcp_reload | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 4299 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), LOG_WARNING, and restart_monitor().
Referenced by reload(), and unload_module().
04300 { 04301 static int deprecated = 0; 04302 if (!deprecated && argc > 0) { 04303 ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"); 04304 deprecated = 1; 04305 } 04306 04307 ast_mutex_lock(&mgcp_reload_lock); 04308 if (mgcp_reloading) { 04309 ast_verbose("Previous mgcp reload not yet done\n"); 04310 } else 04311 mgcp_reloading = 1; 04312 ast_mutex_unlock(&mgcp_reload_lock); 04313 restart_monitor(); 04314 return 0; 04315 }
static struct ast_channel * mgcp_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static, read] |
Definition at line 3515 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, 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.
03516 { 03517 int oldformat; 03518 struct mgcp_subchannel *sub; 03519 struct ast_channel *tmpc = NULL; 03520 char tmp[256]; 03521 char *dest = data; 03522 03523 oldformat = format; 03524 format &= capability; 03525 if (!format) { 03526 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format); 03527 return NULL; 03528 } 03529 ast_copy_string(tmp, dest, sizeof(tmp)); 03530 if (ast_strlen_zero(tmp)) { 03531 ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n"); 03532 return NULL; 03533 } 03534 sub = find_subchannel_and_lock(tmp, 0, NULL); 03535 if (!sub) { 03536 ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp); 03537 *cause = AST_CAUSE_UNREGISTERED; 03538 return NULL; 03539 } 03540 03541 if (option_verbose > 2) { 03542 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_request(%s)\n", tmp); 03543 ast_verbose(VERBOSE_PREFIX_3 "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n", 03544 sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0); 03545 } 03546 /* Must be busy */ 03547 if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) || 03548 ((!sub->parent->callwaiting) && (sub->owner)) || 03549 (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) { 03550 if (sub->parent->hookstate == MGCP_ONHOOK) { 03551 if (has_voicemail(sub->parent)) { 03552 transmit_notify_request(sub,"L/vmwi(+)"); 03553 } else { 03554 transmit_notify_request(sub,"L/vmwi(-)"); 03555 } 03556 } 03557 *cause = AST_CAUSE_BUSY; 03558 ast_mutex_unlock(&sub->lock); 03559 return NULL; 03560 } 03561 tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN); 03562 ast_mutex_unlock(&sub->lock); 03563 if (!tmpc) 03564 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp); 03565 restart_monitor(); 03566 return tmpc; 03567 }
static struct ast_frame* mgcp_rtp_read | ( | struct mgcp_subchannel * | sub | ) | [static, read] |
Definition at line 1187 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, ast_frame::frametype, 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, ast_frame::subclass, and ast_channel::writeformat.
Referenced by mgcp_read().
01188 { 01189 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */ 01190 struct ast_frame *f; 01191 01192 f = ast_rtp_read(sub->rtp); 01193 /* Don't send RFC2833 if we're not supposed to */ 01194 if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833)) 01195 return &ast_null_frame; 01196 if (sub->owner) { 01197 /* We already hold the channel lock */ 01198 if (f->frametype == AST_FRAME_VOICE) { 01199 if (f->subclass != sub->owner->nativeformats) { 01200 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); 01201 sub->owner->nativeformats = f->subclass; 01202 ast_set_read_format(sub->owner, sub->owner->readformat); 01203 ast_set_write_format(sub->owner, sub->owner->writeformat); 01204 } 01205 /* Courtesy fearnor aka alex@pilosoft.com */ 01206 if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) { 01207 #if 0 01208 ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n"); 01209 #endif 01210 f = ast_dsp_process(sub->owner, sub->parent->dsp, f); 01211 } 01212 } 01213 } 01214 return f; 01215 }
static int mgcp_senddigit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
static int mgcp_senddigit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1280 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), mgcp_subchannel::lock, ast_channel::tech_pvt, and transmit_notify_request().
01281 { 01282 struct mgcp_subchannel *sub = ast->tech_pvt; 01283 char tmp[4]; 01284 01285 tmp[0] = 'D'; 01286 tmp[1] = '/'; 01287 tmp[2] = digit; 01288 tmp[3] = '\0'; 01289 ast_mutex_lock(&sub->lock); 01290 transmit_notify_request(sub, tmp); 01291 ast_mutex_unlock(&sub->lock); 01292 return -1; /* Return non-zero so that Asterisk will stop the inband indications */ 01293 }
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 3964 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_channel::tech_pvt, and transmit_modify_with_sdp().
03965 { 03966 /* XXX Is there such thing as video support with MGCP? XXX */ 03967 struct mgcp_subchannel *sub; 03968 sub = chan->tech_pvt; 03969 if (sub && !sub->alreadygone) { 03970 transmit_modify_with_sdp(sub, rtp, codecs); 03971 return 0; 03972 } 03973 return -1; 03974 }
static int mgcp_show_endpoints | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1014 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.
01015 { 01016 struct mgcp_gateway *g; 01017 struct mgcp_endpoint *e; 01018 int hasendpoints = 0; 01019 01020 if (argc != 3) 01021 return RESULT_SHOWUSAGE; 01022 ast_mutex_lock(&gatelock); 01023 g = gateways; 01024 while(g) { 01025 e = g->endpoints; 01026 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"); 01027 while(e) { 01028 /* Don't show wilcard endpoint */ 01029 if (strcmp(e->name, g->wcardep) !=0) 01030 ast_cli(fd, " -- '%s@%s in '%s' is %s\n", e->name, g->name, e->context, e->sub->owner ? "active" : "idle"); 01031 hasendpoints = 1; 01032 e = e->next; 01033 } 01034 if (!hasendpoints) { 01035 ast_cli(fd, " << No Endpoints Defined >> "); 01036 } 01037 g = g->next; 01038 } 01039 ast_mutex_unlock(&gatelock); 01040 return RESULT_SUCCESS; 01041 }
static void* mgcp_ss | ( | void * | data | ) | [static] |
Definition at line 2605 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, mgcp_endpoint::hascallwaiting, mgcp_endpoint::hidecallerid, mgcp_endpoint::lastcallerid, len, LOG_DEBUG, LOG_WARNING, MGCP_DTMF_HYBRID, MGCP_DTMF_INBAND, mgcp_subchannel::next, option_debug, option_verbose, mgcp_subchannel::owner, mgcp_subchannel::parent, ast_channel::rings, start_rtp(), ast_channel::tech_pvt, transmit_notify_request(), and VERBOSE_PREFIX_3.
Referenced by handle_hd_hf().
02606 { 02607 struct ast_channel *chan = data; 02608 struct mgcp_subchannel *sub = chan->tech_pvt; 02609 struct mgcp_endpoint *p = sub->parent; 02610 /* char exten[AST_MAX_EXTENSION] = ""; */ 02611 int len = 0; 02612 int timeout = firstdigittimeout; 02613 int res= 0; 02614 int getforward = 0; 02615 int loop_pause = 100; 02616 02617 len = strlen(p->dtmf_buf); 02618 02619 while(len < AST_MAX_EXTENSION-1) { 02620 res = 1; /* Assume that we will get a digit */ 02621 while (strlen(p->dtmf_buf) == len){ 02622 ast_safe_sleep(chan, loop_pause); 02623 timeout -= loop_pause; 02624 if ( (timeout -= loop_pause) <= 0){ 02625 res = 0; 02626 break; 02627 } 02628 res = 1; 02629 } 02630 02631 timeout = 0; 02632 len = strlen(p->dtmf_buf); 02633 02634 if (!ast_ignore_pattern(chan->context, p->dtmf_buf)) { 02635 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02636 ast_indicate(chan, -1); 02637 } else { 02638 /* XXX Redundant? We should already be playing dialtone */ 02639 /*tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02640 transmit_notify_request(sub, "L/dl"); 02641 } 02642 if (ast_exists_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02643 if (!res || !ast_matchmore_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02644 if (getforward) { 02645 /* Record this as the forwarding extension */ 02646 ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward)); 02647 if (option_verbose > 2) { 02648 ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n", 02649 p->call_forward, chan->name); 02650 } 02651 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02652 transmit_notify_request(sub, "L/sl"); 02653 if (res) 02654 break; 02655 usleep(500000); 02656 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02657 ast_indicate(chan, -1); 02658 sleep(1); 02659 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02660 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02661 transmit_notify_request(sub, "L/dl"); 02662 len = 0; 02663 getforward = 0; 02664 } else { 02665 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02666 ast_indicate(chan, -1); 02667 ast_copy_string(chan->exten, p->dtmf_buf, sizeof(chan->exten)); 02668 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02669 ast_set_callerid(chan, 02670 p->hidecallerid ? "" : p->cid_num, 02671 p->hidecallerid ? "" : p->cid_name, 02672 chan->cid.cid_ani ? NULL : p->cid_num); 02673 ast_setstate(chan, AST_STATE_RING); 02674 /*zt_enable_ec(p);*/ 02675 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 02676 p->dtmfmode |= MGCP_DTMF_INBAND; 02677 ast_indicate(chan, -1); 02678 } 02679 res = ast_pbx_run(chan); 02680 if (res) { 02681 ast_log(LOG_WARNING, "PBX exited non-zero\n"); 02682 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02683 /*transmit_notify_request(p, "nbz", 1);*/ 02684 transmit_notify_request(sub, "G/cg"); 02685 } 02686 return NULL; 02687 } 02688 } else { 02689 /* It's a match, but they just typed a digit, and there is an ambiguous match, 02690 so just set the timeout to matchdigittimeout and wait some more */ 02691 timeout = matchdigittimeout; 02692 } 02693 } else if (res == 0) { 02694 ast_log(LOG_DEBUG, "not enough digits (and no ambiguous match)...\n"); 02695 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02696 transmit_notify_request(sub, "G/cg"); 02697 /*zt_wait_event(p->subs[index].zfd);*/ 02698 ast_hangup(chan); 02699 return NULL; 02700 } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) { 02701 if (option_verbose > 2) { 02702 ast_verbose(VERBOSE_PREFIX_3 "Disabling call waiting on %s\n", chan->name); 02703 } 02704 /* Disable call waiting if enabled */ 02705 p->callwaiting = 0; 02706 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02707 transmit_notify_request(sub, "L/sl"); 02708 len = 0; 02709 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02710 timeout = firstdigittimeout; 02711 } else if (!strcmp(p->dtmf_buf,ast_pickup_ext())) { 02712 /* Scan all channels and see if any there 02713 * ringing channqels with that have call groups 02714 * that equal this channels pickup group 02715 */ 02716 if (ast_pickup_call(chan)) { 02717 ast_log(LOG_WARNING, "No call pickup possible...\n"); 02718 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02719 transmit_notify_request(sub, "G/cg"); 02720 } 02721 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02722 ast_hangup(chan); 02723 return NULL; 02724 } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) { 02725 if (option_verbose > 2) { 02726 ast_verbose(VERBOSE_PREFIX_3 "Disabling Caller*ID on %s\n", chan->name); 02727 } 02728 /* Disable Caller*ID if enabled */ 02729 p->hidecallerid = 1; 02730 ast_set_callerid(chan, "", "", NULL); 02731 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02732 transmit_notify_request(sub, "L/sl"); 02733 len = 0; 02734 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02735 timeout = firstdigittimeout; 02736 } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) { 02737 res = 0; 02738 if (!ast_strlen_zero(p->lastcallerid)) { 02739 res = ast_say_digit_str(chan, p->lastcallerid, "", chan->language); 02740 } 02741 if (!res) 02742 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02743 transmit_notify_request(sub, "L/sl"); 02744 break; 02745 } else if (!strcmp(p->dtmf_buf, "*78")) { 02746 /* Do not disturb */ 02747 if (option_verbose > 2) { 02748 ast_verbose(VERBOSE_PREFIX_3 "Enabled DND on channel %s\n", chan->name); 02749 } 02750 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02751 transmit_notify_request(sub, "L/sl"); 02752 p->dnd = 1; 02753 getforward = 0; 02754 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02755 len = 0; 02756 } else if (!strcmp(p->dtmf_buf, "*79")) { 02757 /* Do not disturb */ 02758 if (option_verbose > 2) { 02759 ast_verbose(VERBOSE_PREFIX_3 "Disabled DND on channel %s\n", chan->name); 02760 } 02761 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02762 transmit_notify_request(sub, "L/sl"); 02763 p->dnd = 0; 02764 getforward = 0; 02765 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02766 len = 0; 02767 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) { 02768 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02769 transmit_notify_request(sub, "L/sl"); 02770 getforward = 1; 02771 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02772 len = 0; 02773 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) { 02774 if (option_verbose > 2) { 02775 ast_verbose(VERBOSE_PREFIX_3 "Cancelling call forwarding on channel %s\n", chan->name); 02776 } 02777 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02778 transmit_notify_request(sub, "L/sl"); 02779 memset(p->call_forward, 0, sizeof(p->call_forward)); 02780 getforward = 0; 02781 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02782 len = 0; 02783 } else if (!strcmp(p->dtmf_buf, ast_parking_ext()) && 02784 sub->next->owner && ast_bridged_channel(sub->next->owner)) { 02785 /* This is a three way call, the main call being a real channel, 02786 and we're parking the first call. */ 02787 ast_masq_park_call(ast_bridged_channel(sub->next->owner), chan, 0, NULL); 02788 if (option_verbose > 2) { 02789 ast_verbose(VERBOSE_PREFIX_3 "Parking call to '%s'\n", chan->name); 02790 } 02791 break; 02792 } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) { 02793 if (option_verbose > 2) { 02794 ast_verbose(VERBOSE_PREFIX_3 "Blacklisting number %s\n", p->lastcallerid); 02795 } 02796 res = ast_db_put("blacklist", p->lastcallerid, "1"); 02797 if (!res) { 02798 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02799 transmit_notify_request(sub, "L/sl"); 02800 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02801 len = 0; 02802 } 02803 } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) { 02804 if (option_verbose > 2) { 02805 ast_verbose(VERBOSE_PREFIX_3 "Enabling Caller*ID on %s\n", chan->name); 02806 } 02807 /* Enable Caller*ID if enabled */ 02808 p->hidecallerid = 0; 02809 ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); 02810 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02811 transmit_notify_request(sub, "L/sl"); 02812 len = 0; 02813 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02814 timeout = firstdigittimeout; 02815 } else if (!ast_canmatch_extension(chan, chan->context, p->dtmf_buf, 1, chan->cid.cid_num) && 02816 ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) { 02817 if (option_debug) 02818 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); 02819 break; 02820 } 02821 if (!timeout) 02822 timeout = gendigittimeout; 02823 if (len && !ast_ignore_pattern(chan->context, p->dtmf_buf)) 02824 /*tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02825 ast_indicate(chan, -1); 02826 } 02827 #if 0 02828 for (;;) { 02829 res = ast_waitfordigit(chan, to); 02830 if (!res) { 02831 ast_log(LOG_DEBUG, "Timeout...\n"); 02832 break; 02833 } 02834 if (res < 0) { 02835 ast_log(LOG_DEBUG, "Got hangup...\n"); 02836 ast_hangup(chan); 02837 break; 02838 } 02839 exten[pos++] = res; 02840 if (!ast_ignore_pattern(chan->context, exten)) 02841 ast_indicate(chan, -1); 02842 if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) { 02843 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) 02844 to = 3000; 02845 else 02846 to = 8000; 02847 } else 02848 break; 02849 } 02850 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) { 02851 ast_copy_string(chan->exten, exten, sizeof(chan->exten)1); 02852 if (!p->rtp) { 02853 start_rtp(p); 02854 } 02855 ast_setstate(chan, AST_STATE_RING); 02856 chan->rings = 1; 02857 if (ast_pbx_run(chan)) { 02858 ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name); 02859 } else { 02860 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02861 return NULL; 02862 } 02863 } 02864 #endif 02865 ast_hangup(chan); 02866 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02867 return NULL; 02868 }
static int mgcp_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | frame | |||
) | [static] |
Definition at line 1228 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.
01229 { 01230 struct mgcp_subchannel *sub = ast->tech_pvt; 01231 int res = 0; 01232 if (frame->frametype != AST_FRAME_VOICE) { 01233 if (frame->frametype == AST_FRAME_IMAGE) 01234 return 0; 01235 else { 01236 ast_log(LOG_WARNING, "Can't send %d type frames with MGCP write\n", frame->frametype); 01237 return 0; 01238 } 01239 } else { 01240 if (!(frame->subclass & ast->nativeformats)) { 01241 ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", 01242 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat); 01243 return -1; 01244 } 01245 } 01246 if (sub) { 01247 ast_mutex_lock(&sub->lock); 01248 if ((sub->parent->sub == sub) || !sub->parent->singlepath) { 01249 if (sub->rtp) { 01250 res = ast_rtp_write(sub->rtp, frame); 01251 } 01252 } 01253 ast_mutex_unlock(&sub->lock); 01254 } 01255 return res; 01256 }
static int mgcpsock_read | ( | int * | id, | |
int | fd, | |||
short | events, | |||
void * | ignore | |||
) | [static] |
Definition at line 3310 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(), mgcp_request::data, mgcp_request::endpoint, find_and_retrans(), find_subchannel_and_lock(), free, handle_request(), handle_response(), mgcp_request::headers, mgcp_request::identifier, mgcp_request::len, len, mgcp_subchannel::lock, LOG_DEBUG, LOG_NOTICE, LOG_WARNING, mgcp_gateway::msgs, mgcp_gateway::msgs_lock, mgcp_gateway::name, mgcp_message::next, mgcp_message::owner_ep, mgcp_message::owner_sub, mgcp_endpoint::parent, mgcp_subchannel::parent, parse(), mgcp_gateway::retransid, mgcp_message::seqno, mgcp_request::verb, and mgcp_request::version.
Referenced by do_monitor().
03311 { 03312 struct mgcp_request req; 03313 struct sockaddr_in sin; 03314 struct mgcp_subchannel *sub; 03315 int res; 03316 socklen_t len; 03317 int result; 03318 int ident; 03319 len = sizeof(sin); 03320 memset(&req, 0, sizeof(req)); 03321 res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len); 03322 if (res < 0) { 03323 if (errno != ECONNREFUSED) 03324 ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno)); 03325 return 1; 03326 } 03327 req.data[res] = '\0'; 03328 req.len = res; 03329 if (mgcpdebug) { 03330 ast_verbose("MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 03331 } 03332 parse(&req); 03333 if (req.headers < 1) { 03334 /* Must have at least one header */ 03335 return 1; 03336 } 03337 if (ast_strlen_zero(req.identifier)) { 03338 ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr)); 03339 return 1; 03340 } 03341 03342 if (sscanf(req.verb, "%d", &result) && sscanf(req.identifier, "%d", &ident)) { 03343 /* Try to find who this message is for, if it's important */ 03344 sub = find_subchannel_and_lock(NULL, ident, &sin); 03345 if (sub) { 03346 struct mgcp_gateway *gw = sub->parent->parent; 03347 struct mgcp_message *cur, *prev; 03348 03349 ast_mutex_unlock(&sub->lock); 03350 ast_mutex_lock(&gw->msgs_lock); 03351 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 03352 if (cur->seqno == ident) { 03353 ast_log(LOG_DEBUG, "Got response back on transaction %d\n", ident); 03354 if (prev) 03355 prev->next = cur->next; 03356 else 03357 gw->msgs = cur->next; 03358 break; 03359 } 03360 } 03361 03362 /* stop retrans timer if the queue is empty */ 03363 if (!gw->msgs && (gw->retransid != -1)) { 03364 ast_sched_del(sched, gw->retransid); 03365 gw->retransid = -1; 03366 } 03367 03368 ast_mutex_unlock(&gw->msgs_lock); 03369 if (cur) { 03370 handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req); 03371 free(cur); 03372 return 1; 03373 } 03374 03375 ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n", 03376 gw->name, ident); 03377 } 03378 } else { 03379 if (ast_strlen_zero(req.endpoint) || 03380 ast_strlen_zero(req.version) || 03381 ast_strlen_zero(req.verb)) { 03382 ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n"); 03383 return 1; 03384 } 03385 /* Process request, with iflock held */ 03386 sub = find_subchannel_and_lock(req.endpoint, 0, &sin); 03387 if (sub) { 03388 /* look first to find a matching response in the queue */ 03389 if (!find_and_retrans(sub, &req)) 03390 /* pass the request off to the currently mastering subchannel */ 03391 handle_request(sub, &req, &sin); 03392 ast_mutex_unlock(&sub->lock); 03393 } 03394 } 03395 return 1; 03396 }
static void parse | ( | struct mgcp_request * | req | ) | [static] |
Definition at line 1701 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, 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_waitexten(), pqm_exec(), privacy_exec(), ql_exec(), queue_exec(), reload_agents(), reload_queues(), rqm_exec(), sayunixtime_exec(), sendimage_exec(), sendtext_exec(), transfer_exec(), upqm_exec(), userevent_exec(), and vm_execmain().
01702 { 01703 /* Divide fields by NULL's */ 01704 char *c; 01705 int f = 0; 01706 c = req->data; 01707 01708 /* First header starts immediately */ 01709 req->header[f] = c; 01710 while(*c) { 01711 if (*c == '\n') { 01712 /* We've got a new header */ 01713 *c = 0; 01714 #if 0 01715 printf("Header: %s (%d)\n", req->header[f], strlen(req->header[f])); 01716 #endif 01717 if (ast_strlen_zero(req->header[f])) { 01718 /* Line by itself means we're now in content */ 01719 c++; 01720 break; 01721 } 01722 if (f >= MGCP_MAX_HEADERS - 1) { 01723 ast_log(LOG_WARNING, "Too many MGCP headers...\n"); 01724 } else 01725 f++; 01726 req->header[f] = c + 1; 01727 } else if (*c == '\r') { 01728 /* Ignore but eliminate \r's */ 01729 *c = 0; 01730 } 01731 c++; 01732 } 01733 /* Check for last header */ 01734 if (!ast_strlen_zero(req->header[f])) 01735 f++; 01736 req->headers = f; 01737 /* Now we process any mime content */ 01738 f = 0; 01739 req->line[f] = c; 01740 while(*c) { 01741 if (*c == '\n') { 01742 /* We've got a new line */ 01743 *c = 0; 01744 #if 0 01745 printf("Line: %s (%d)\n", req->line[f], strlen(req->line[f])); 01746 #endif 01747 if (f >= MGCP_MAX_LINES - 1) { 01748 ast_log(LOG_WARNING, "Too many SDP lines...\n"); 01749 } else 01750 f++; 01751 req->line[f] = c + 1; 01752 } else if (*c == '\r') { 01753 /* Ignore and eliminate \r's */ 01754 *c = 0; 01755 } 01756 c++; 01757 } 01758 /* Check for last line */ 01759 if (!ast_strlen_zero(req->line[f])) 01760 f++; 01761 req->lines = f; 01762 /* Parse up the initial header */ 01763 c = req->header[0]; 01764 while(*c && *c < 33) c++; 01765 /* First the verb */ 01766 req->verb = c; 01767 while(*c && (*c > 32)) c++; 01768 if (*c) { 01769 *c = '\0'; 01770 c++; 01771 while(*c && (*c < 33)) c++; 01772 req->identifier = c; 01773 while(*c && (*c > 32)) c++; 01774 if (*c) { 01775 *c = '\0'; 01776 c++; 01777 while(*c && (*c < 33)) c++; 01778 req->endpoint = c; 01779 while(*c && (*c > 32)) c++; 01780 if (*c) { 01781 *c = '\0'; 01782 c++; 01783 while(*c && (*c < 33)) c++; 01784 req->version = c; 01785 while(*c && (*c > 32)) c++; 01786 while(*c && (*c < 33)) c++; 01787 while(*c && (*c > 32)) c++; 01788 *c = '\0'; 01789 } 01790 } 01791 } 01792 01793 if (mgcpdebug) { 01794 ast_verbose("Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n", 01795 req->verb, req->identifier, req->endpoint, req->version); 01796 ast_verbose("%d headers, %d lines\n", req->headers, req->lines); 01797 } 01798 if (*c) 01799 ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c); 01800 }
static int process_sdp | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 1802 of file chan_mgcp.c.
References 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(), mgcp_endpoint::capability, get_sdp(), get_sdp_iterate(), hp, len, LOG_WARNING, mgcp_endpoint::nonCodecCapability, mgcp_subchannel::parent, portno, mgcp_subchannel::rtp, and sdpLineNum_iterator_init().
Referenced by handle_request(), handle_request_invite(), handle_response(), and handle_response_invite().
01803 { 01804 char *m; 01805 char *c; 01806 char *a; 01807 char host[258]; 01808 int len; 01809 int portno; 01810 int peercapability, peerNonCodecCapability; 01811 struct sockaddr_in sin; 01812 char *codecs; 01813 struct ast_hostent ahp; struct hostent *hp; 01814 int codec, codec_count=0; 01815 int iterator; 01816 struct mgcp_endpoint *p = sub->parent; 01817 01818 /* Get codec and RTP info from SDP */ 01819 m = get_sdp(req, "m"); 01820 c = get_sdp(req, "c"); 01821 if (ast_strlen_zero(m) || ast_strlen_zero(c)) { 01822 ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c); 01823 return -1; 01824 } 01825 if (sscanf(c, "IN IP4 %256s", host) != 1) { 01826 ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c); 01827 return -1; 01828 } 01829 /* XXX This could block for a long time, and block the main thread! XXX */ 01830 hp = ast_gethostbyname(host, &ahp); 01831 if (!hp) { 01832 ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); 01833 return -1; 01834 } 01835 if (sscanf(m, "audio %d RTP/AVP %n", &portno, &len) != 1) { 01836 ast_log(LOG_WARNING, "Unable to determine port number for RTP in '%s'\n", m); 01837 return -1; 01838 } 01839 sin.sin_family = AF_INET; 01840 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01841 sin.sin_port = htons(portno); 01842 ast_rtp_set_peer(sub->rtp, &sin); 01843 #if 0 01844 printf("Peer RTP is at port %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 01845 #endif 01846 /* Scan through the RTP payload types specified in a "m=" line: */ 01847 ast_rtp_pt_clear(sub->rtp); 01848 codecs = ast_strdupa(m + len); 01849 while (!ast_strlen_zero(codecs)) { 01850 if (sscanf(codecs, "%d%n", &codec, &len) != 1) { 01851 if (codec_count) 01852 break; 01853 ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs); 01854 return -1; 01855 } 01856 ast_rtp_set_m_type(sub->rtp, codec); 01857 codec_count++; 01858 codecs += len; 01859 } 01860 01861 /* Next, scan through each "a=rtpmap:" line, noting each */ 01862 /* specified RTP payload type (with corresponding MIME subtype): */ 01863 sdpLineNum_iterator_init(&iterator); 01864 while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { 01865 char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */ 01866 if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) 01867 continue; 01868 /* Note: should really look at the 'freq' and '#chans' params too */ 01869 ast_rtp_set_rtpmap_type(sub->rtp, codec, "audio", mimeSubtype, 0); 01870 } 01871 01872 /* Now gather all of the codecs that were asked for: */ 01873 ast_rtp_get_current_formats(sub->rtp, &peercapability, &peerNonCodecCapability); 01874 p->capability = capability & peercapability; 01875 if (mgcpdebug) { 01876 ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n", 01877 capability, peercapability, p->capability); 01878 ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n", 01879 nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability); 01880 } 01881 if (!p->capability) { 01882 ast_log(LOG_WARNING, "No compatible codecs!\n"); 01883 return -1; 01884 } 01885 return 0; 01886 }
static void prune_gateways | ( | void | ) | [static] |
Definition at line 4034 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), mgcp_gateway::delme, mgcp_endpoint::delme, destroy_endpoint(), destroy_gateway(), mgcp_gateway::endpoints, gateways, mgcp_gateway::next, mgcp_endpoint::next, and t.
Referenced by reload_config(), and unload_module().
04035 { 04036 struct mgcp_gateway *g, *z, *r; 04037 struct mgcp_endpoint *e, *p, *t; 04038 04039 ast_mutex_lock(&gatelock); 04040 04041 /* prune gateways */ 04042 for (z = NULL, g = gateways; g;) { 04043 /* prune endpoints */ 04044 for (p = NULL, e = g->endpoints; e; ) { 04045 if (e->delme || g->delme) { 04046 t = e; 04047 e = e->next; 04048 if (!p) 04049 g->endpoints = e; 04050 else 04051 p->next = e; 04052 destroy_endpoint(t); 04053 } else { 04054 p = e; 04055 e = e->next; 04056 } 04057 } 04058 04059 if (g->delme) { 04060 r = g; 04061 g = g->next; 04062 if (!z) 04063 gateways = g; 04064 else 04065 z->next = g; 04066 04067 destroy_gateway(r); 04068 } else { 04069 z = g; 04070 g = g->next; 04071 } 04072 } 04073 04074 ast_mutex_unlock(&gatelock); 04075 }
static int reload | ( | void | ) | [static] |
Definition at line 4317 of file chan_mgcp.c.
References mgcp_reload().
04318 { 04319 mgcp_reload(0, 0, NULL); 04320 return 0; 04321 }
static int reload_config | ( | void | ) | [static] |
Definition at line 4077 of file chan_mgcp.c.
References __ourip, ast_category_browse(), ast_config_destroy(), ast_config_load(), ast_getformatbyname(), ast_gethostbyname(), ast_inet_ntoa(), ast_io_remove(), ast_io_wait(), ast_jb_read_conf(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_sched_runq(), ast_variable_browse(), ast_verbose(), bindaddr, build_gateway(), DEFAULT_MGCP_CA_PORT, mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_gateway::endpoints, format, gateways, global_jbconf, hp, IPTOS_MINCOST, ast_variable::lineno, LOG_NOTICE, LOG_WARNING, mgcp_endpoint::name, mgcp_gateway::name, ast_variable::name, mgcp_endpoint::needaudit, mgcp_gateway::next, mgcp_endpoint::next, ast_variable::next, option_verbose, prune_gateways(), transmit_audit_endpoint(), ast_variable::value, VERBOSE_PREFIX_2, and VERBOSE_PREFIX_3.
04078 { 04079 struct ast_config *cfg; 04080 struct ast_variable *v; 04081 struct mgcp_gateway *g; 04082 struct mgcp_endpoint *e; 04083 char *cat; 04084 struct ast_hostent ahp; 04085 struct hostent *hp; 04086 int format; 04087 04088 if (gethostname(ourhost, sizeof(ourhost)-1)) { 04089 ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n"); 04090 return 0; 04091 } 04092 cfg = ast_config_load(config); 04093 04094 /* We *must* have a config file otherwise stop immediately */ 04095 if (!cfg) { 04096 ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config); 04097 return 0; 04098 } 04099 memset(&bindaddr, 0, sizeof(bindaddr)); 04100 dtmfmode = 0; 04101 04102 /* Copy the default jb config over global_jbconf */ 04103 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 04104 04105 v = ast_variable_browse(cfg, "general"); 04106 while (v) { 04107 /* handle jb conf */ 04108 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) { 04109 v = v->next; 04110 continue; 04111 } 04112 04113 /* Create the interface list */ 04114 if (!strcasecmp(v->name, "bindaddr")) { 04115 if (!(hp = ast_gethostbyname(v->value, &ahp))) { 04116 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); 04117 } else { 04118 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 04119 } 04120 } else if (!strcasecmp(v->name, "allow")) { 04121 format = ast_getformatbyname(v->value); 04122 if (format < 1) 04123 ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value); 04124 else 04125 capability |= format; 04126 } else if (!strcasecmp(v->name, "disallow")) { 04127 format = ast_getformatbyname(v->value); 04128 if (format < 1) 04129 ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value); 04130 else 04131 capability &= ~format; 04132 } else if (!strcasecmp(v->name, "tos")) { 04133 if (sscanf(v->value, "%d", &format) == 1) 04134 tos = format & 0xff; 04135 else if (!strcasecmp(v->value, "lowdelay")) 04136 tos = IPTOS_LOWDELAY; 04137 else if (!strcasecmp(v->value, "throughput")) 04138 tos = IPTOS_THROUGHPUT; 04139 else if (!strcasecmp(v->value, "reliability")) 04140 tos = IPTOS_RELIABILITY; 04141 else if (!strcasecmp(v->value, "mincost")) 04142 tos = IPTOS_MINCOST; 04143 else if (!strcasecmp(v->value, "none")) 04144 tos = 0; 04145 else 04146 ast_log(LOG_WARNING, "Invalid tos value at line %d, should be 'lowdelay', 'throughput', 'reliability', 'mincost', or 'none'\n", v->lineno); 04147 } else if (!strcasecmp(v->name, "port")) { 04148 if (sscanf(v->value, "%d", &ourport) == 1) { 04149 bindaddr.sin_port = htons(ourport); 04150 } else { 04151 ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config); 04152 } 04153 } 04154 v = v->next; 04155 } 04156 04157 /* mark existing entries for deletion */ 04158 ast_mutex_lock(&gatelock); 04159 g = gateways; 04160 while (g) { 04161 g->delme = 1; 04162 e = g->endpoints; 04163 while (e) { 04164 e->delme = 1; 04165 e = e->next; 04166 } 04167 g = g->next; 04168 } 04169 ast_mutex_unlock(&gatelock); 04170 04171 cat = ast_category_browse(cfg, NULL); 04172 while(cat) { 04173 if (strcasecmp(cat, "general")) { 04174 ast_mutex_lock(&gatelock); 04175 g = build_gateway(cat, ast_variable_browse(cfg, cat)); 04176 if (g) { 04177 if (option_verbose > 2) { 04178 ast_verbose(VERBOSE_PREFIX_3 "Added gateway '%s'\n", g->name); 04179 } 04180 g->next = gateways; 04181 gateways = g; 04182 } 04183 ast_mutex_unlock(&gatelock); 04184 04185 /* FS: process queue and IO */ 04186 if (monitor_thread == pthread_self()) { 04187 if (sched) ast_sched_runq(sched); 04188 if (io) ast_io_wait(io, 10); 04189 } 04190 } 04191 cat = ast_category_browse(cfg, cat); 04192 } 04193 04194 /* prune deleted entries etc. */ 04195 prune_gateways(); 04196 04197 if (ntohl(bindaddr.sin_addr.s_addr)) { 04198 memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip)); 04199 } else { 04200 hp = ast_gethostbyname(ourhost, &ahp); 04201 if (!hp) { 04202 ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n"); 04203 ast_config_destroy(cfg); 04204 return 0; 04205 } 04206 memcpy(&__ourip, hp->h_addr, sizeof(__ourip)); 04207 } 04208 if (!ntohs(bindaddr.sin_port)) 04209 bindaddr.sin_port = ntohs(DEFAULT_MGCP_CA_PORT); 04210 bindaddr.sin_family = AF_INET; 04211 ast_mutex_lock(&netlock); 04212 if (mgcpsock > -1) 04213 close(mgcpsock); 04214 04215 if (mgcpsock_read_id != NULL) 04216 ast_io_remove(io, mgcpsock_read_id); 04217 mgcpsock_read_id = NULL; 04218 04219 mgcpsock = socket(AF_INET, SOCK_DGRAM, 0); 04220 if (mgcpsock < 0) { 04221 ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno)); 04222 } else { 04223 if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) { 04224 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n", 04225 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port), 04226 strerror(errno)); 04227 close(mgcpsock); 04228 mgcpsock = -1; 04229 } else { 04230 if (option_verbose > 1) { 04231 ast_verbose(VERBOSE_PREFIX_2 "MGCP Listening on %s:%d\n", 04232 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port)); 04233 ast_verbose(VERBOSE_PREFIX_2 "Using TOS bits %d\n", tos); 04234 } 04235 if (setsockopt(mgcpsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) 04236 ast_log(LOG_WARNING, "Unable to set TOS to %d\n", tos); 04237 } 04238 } 04239 ast_mutex_unlock(&netlock); 04240 ast_config_destroy(cfg); 04241 04242 /* send audit only to the new endpoints */ 04243 g = gateways; 04244 while (g) { 04245 e = g->endpoints; 04246 while (e && e->needaudit) { 04247 e->needaudit = 0; 04248 transmit_audit_endpoint(e); 04249 ast_verbose(VERBOSE_PREFIX_3 "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name); 04250 e = e->next; 04251 } 04252 g = g->next; 04253 } 04254 04255 return 0; 04256 }
static int reqprep | ( | struct mgcp_request * | req, | |
struct mgcp_endpoint * | p, | |||
char * | verb | |||
) | [static] |
Definition at line 1979 of file chan_mgcp.c.
References init_req().
Referenced by transmit_audit_endpoint(), transmit_connect_with_sdp(), 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_modify_with_sdp(), 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().
01980 { 01981 memset(req, 0, sizeof(struct mgcp_request)); 01982 oseq++; 01983 if (oseq > 999999999) 01984 oseq = 1; 01985 init_req(p, req, verb); 01986 return 0; 01987 }
static int resend_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_response * | resp | |||
) | [static] |
Definition at line 500 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, and mgcp_subchannel::parent.
Referenced by find_and_retrans().
00501 { 00502 struct mgcp_endpoint *p = sub->parent; 00503 int res; 00504 if (mgcpdebug) { 00505 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)); 00506 } 00507 res = __mgcp_xmit(p->parent, resp->buf, resp->len); 00508 if (res > 0) 00509 res = 0; 00510 return res; 00511 }
static int respprep | ( | struct mgcp_request * | resp, | |
struct mgcp_endpoint * | p, | |||
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 1972 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().
01973 { 01974 memset(resp, 0, sizeof(*resp)); 01975 init_resp(resp, msg, req, msgrest); 01976 return 0; 01977 }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 3486 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_pthread_create_background, AST_PTHREADT_NULL, AST_PTHREADT_STOP, do_monitor(), LOG_ERROR, and LOG_WARNING.
03487 { 03488 /* If we're supposed to be stopped -- stay stopped */ 03489 if (monitor_thread == AST_PTHREADT_STOP) 03490 return 0; 03491 if (ast_mutex_lock(&monlock)) { 03492 ast_log(LOG_WARNING, "Unable to lock monitor\n"); 03493 return -1; 03494 } 03495 if (monitor_thread == pthread_self()) { 03496 ast_mutex_unlock(&monlock); 03497 ast_log(LOG_WARNING, "Cannot kill myself\n"); 03498 return -1; 03499 } 03500 if (monitor_thread != AST_PTHREADT_NULL) { 03501 /* Wake up the thread */ 03502 pthread_kill(monitor_thread, SIGURG); 03503 } else { 03504 /* Start a new monitor */ 03505 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { 03506 ast_mutex_unlock(&monlock); 03507 ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); 03508 return -1; 03509 } 03510 } 03511 ast_mutex_unlock(&monlock); 03512 return 0; 03513 }
static int retrans_pkt | ( | 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, 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(), 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_connect_with_sdp(), 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_modify_with_sdp(), 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 513 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, and mgcp_subchannel::parent.
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().
00514 { 00515 struct mgcp_endpoint *p = sub->parent; 00516 int res; 00517 if (mgcpdebug) { 00518 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)); 00519 } 00520 res = __mgcp_xmit(p->parent, req->data, req->len); 00521 if (res > 0) 00522 res = 0; 00523 return res; 00524 }
static void start_rtp | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2580 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, 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(), and skinny_answer().
02581 { 02582 ast_mutex_lock(&sub->lock); 02583 /* check again to be on the safe side */ 02584 if (sub->rtp) { 02585 ast_rtp_destroy(sub->rtp); 02586 sub->rtp = NULL; 02587 } 02588 /* Allocate the RTP now */ 02589 sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr); 02590 if (sub->rtp && sub->owner) 02591 sub->owner->fds[0] = ast_rtp_fd(sub->rtp); 02592 if (sub->rtp) 02593 ast_rtp_setnat(sub->rtp, sub->nat); 02594 #if 0 02595 ast_rtp_set_callback(p->rtp, rtpready); 02596 ast_rtp_set_data(p->rtp, p); 02597 #endif 02598 /* Make a call*ID */ 02599 snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", ast_random(), sub->txident); 02600 /* Transmit the connection create */ 02601 transmit_connect_with_sdp(sub, NULL); 02602 ast_mutex_unlock(&sub->lock); 02603 }
static int transmit_audit_endpoint | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 2289 of file chan_mgcp.c.
References add_header(), mgcp_request::cmd, MGCP_CMD_AUEP, reqprep(), send_request(), and mgcp_request::trid.
Referenced by handle_request(), mgcp_audit_endpoint(), and reload_config().
02290 { 02291 struct mgcp_request resp; 02292 reqprep(&resp, p, "AUEP"); 02293 /* removed unknown param VS */ 02294 /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/ 02295 add_header(&resp, "F", "A"); 02296 /* fill in new fields */ 02297 resp.cmd = MGCP_CMD_AUEP; 02298 resp.trid = oseq; 02299 return send_request(p, NULL, &resp, oseq); /* SC */ 02300 }
static int transmit_connect_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2145 of file chan_mgcp.c.
References add_header(), add_sdp(), AST_FORMAT_MAX_AUDIO, ast_rtp_lookup_mime_subtype(), ast_verbose(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxmode, mgcp_subchannel::id, MGCP_CMD_CRCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_request::trid, mgcp_subchannel::txident, and VERBOSE_PREFIX_3.
Referenced by start_rtp().
02146 { 02147 struct mgcp_request resp; 02148 char local[256]; 02149 char tmp[80]; 02150 int x; 02151 struct mgcp_endpoint *p = sub->parent; 02152 02153 snprintf(local, sizeof(local), "p:20"); 02154 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02155 if (p->capability & x) { 02156 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02157 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02158 } 02159 } 02160 if (mgcpdebug) { 02161 ast_verbose(VERBOSE_PREFIX_3 "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02162 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02163 } 02164 reqprep(&resp, p, "CRCX"); 02165 add_header(&resp, "C", sub->callid); 02166 add_header(&resp, "L", local); 02167 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02168 /* X header should not be sent. kept for compatibility */ 02169 add_header(&resp, "X", sub->txident); 02170 /*add_header(&resp, "S", "");*/ 02171 add_sdp(&resp, sub, rtp); 02172 /* fill in new fields */ 02173 resp.cmd = MGCP_CMD_CRCX; 02174 resp.trid = oseq; 02175 return send_request(p, sub, &resp, oseq); /* SC */ 02176 }
static int transmit_connection_del | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2302 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_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_request::trid, mgcp_subchannel::txident, and VERBOSE_PREFIX_3.
Referenced by destroy_endpoint(), handle_request(), handle_response(), mgcp_hangup(), and unalloc_sub().
02303 { 02304 struct mgcp_endpoint *p = sub->parent; 02305 struct mgcp_request resp; 02306 02307 if (mgcpdebug) { 02308 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n", 02309 sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02310 } 02311 reqprep(&resp, p, "DLCX"); 02312 /* check if call id is avail */ 02313 if (sub->callid[0]) 02314 add_header(&resp, "C", sub->callid); 02315 /* X header should not be sent. kept for compatibility */ 02316 add_header(&resp, "X", sub->txident); 02317 /* check if cxident is avail */ 02318 if (sub->cxident[0]) 02319 add_header(&resp, "I", sub->cxident); 02320 /* fill in new fields */ 02321 resp.cmd = MGCP_CMD_DLCX; 02322 resp.trid = oseq; 02323 return send_request(p, sub, &resp, oseq); /* SC */ 02324 }
static int transmit_connection_del_w_params | ( | struct mgcp_endpoint * | p, | |
char * | callid, | |||
char * | cxident | |||
) | [static] |
Definition at line 2326 of file chan_mgcp.c.
References add_header(), ast_verbose(), mgcp_request::cmd, MGCP_CMD_DLCX, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, reqprep(), send_request(), mgcp_endpoint::sub, mgcp_request::trid, and VERBOSE_PREFIX_3.
Referenced by handle_response().
02327 { 02328 struct mgcp_request resp; 02329 02330 if (mgcpdebug) { 02331 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s on callid: %s\n", 02332 cxident ? cxident : "", p->name, p->parent->name, callid ? callid : ""); 02333 } 02334 reqprep(&resp, p, "DLCX"); 02335 /* check if call id is avail */ 02336 if (callid && *callid) 02337 add_header(&resp, "C", callid); 02338 /* check if cxident is avail */ 02339 if (cxident && *cxident) 02340 add_header(&resp, "I", cxident); 02341 /* fill in new fields */ 02342 resp.cmd = MGCP_CMD_DLCX; 02343 resp.trid = oseq; 02344 return send_request(p, p->sub, &resp, oseq); 02345 }
static int transmit_modify_request | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2254 of file chan_mgcp.c.
References add_header(), ast_strlen_zero(), ast_verbose(), mgcp_subchannel::callid, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, mgcp_endpoint::dtmfmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_MDCX, MGCP_DTMF_INBAND, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_subchannel::rtp, send_request(), mgcp_request::trid, mgcp_subchannel::txident, and VERBOSE_PREFIX_3.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), mgcp_call(), and mgcp_hangup().
02255 { 02256 struct mgcp_request resp; 02257 struct mgcp_endpoint *p = sub->parent; 02258 02259 if (ast_strlen_zero(sub->cxident)) { 02260 /* We don't have a CXident yet, store the destination and 02261 wait a bit */ 02262 return 0; 02263 } 02264 if (mgcpdebug) { 02265 ast_verbose(VERBOSE_PREFIX_3 "Modified %s@%s-%d with new mode: %s on callid: %s\n", 02266 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02267 } 02268 reqprep(&resp, p, "MDCX"); 02269 add_header(&resp, "C", sub->callid); 02270 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02271 /* X header should not be sent. kept for compatibility */ 02272 add_header(&resp, "X", sub->txident); 02273 add_header(&resp, "I", sub->cxident); 02274 switch (sub->parent->hookstate) { 02275 case MGCP_ONHOOK: 02276 add_header(&resp, "R", "L/hd(N)"); 02277 break; 02278 case MGCP_OFFHOOK: 02279 add_header(&resp, "R", (sub->rtp && (p->dtmfmode & MGCP_DTMF_INBAND)) ? "L/hu(N), L/hf(N)" : "L/hu(N),L/hf(N),D/[0-9#*](N)"); 02280 break; 02281 } 02282 /* fill in new fields */ 02283 resp.cmd = MGCP_CMD_MDCX; 02284 resp.trid = oseq; 02285 return send_request(p, sub, &resp, oseq); /* SC */ 02286 }
static int transmit_modify_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp, | |||
int | codecs | |||
) | [static] |
Definition at line 2105 of file chan_mgcp.c.
References add_header(), add_sdp(), AST_FORMAT_MAX_AUDIO, ast_rtp_get_peer(), ast_rtp_lookup_mime_subtype(), ast_strlen_zero(), mgcp_subchannel::callid, mgcp_endpoint::capability, mgcp_request::cmd, mgcp_subchannel::cxident, mgcp_subchannel::cxmode, MGCP_CMD_MDCX, mgcp_subchannel::parent, reqprep(), send_request(), mgcp_subchannel::tmpdest, mgcp_request::trid, and mgcp_subchannel::txident.
Referenced by handle_response(), and mgcp_set_rtp_peer().
02106 { 02107 struct mgcp_request resp; 02108 char local[256]; 02109 char tmp[80]; 02110 int x; 02111 int capability; 02112 struct mgcp_endpoint *p = sub->parent; 02113 02114 capability = p->capability; 02115 if (codecs) 02116 capability = codecs; 02117 if (ast_strlen_zero(sub->cxident) && rtp) { 02118 /* We don't have a CXident yet, store the destination and 02119 wait a bit */ 02120 ast_rtp_get_peer(rtp, &sub->tmpdest); 02121 return 0; 02122 } 02123 snprintf(local, sizeof(local), "p:20"); 02124 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02125 if (p->capability & x) { 02126 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02127 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02128 } 02129 } 02130 reqprep(&resp, p, "MDCX"); 02131 add_header(&resp, "C", sub->callid); 02132 add_header(&resp, "L", local); 02133 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02134 /* X header should not be sent. kept for compatibility */ 02135 add_header(&resp, "X", sub->txident); 02136 add_header(&resp, "I", sub->cxident); 02137 /*add_header(&resp, "S", "");*/ 02138 add_sdp(&resp, sub, rtp); 02139 /* fill in new fields */ 02140 resp.cmd = MGCP_CMD_MDCX; 02141 resp.trid = oseq; 02142 return send_request(p, sub, &resp, oseq); /* SC */ 02143 }
static int transmit_notify_request | ( | struct mgcp_subchannel * | sub, | |
char * | tone | |||
) | [static] |
Definition at line 2178 of file chan_mgcp.c.
References add_header(), ast_strlen_zero(), ast_verbose(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::dtmfmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, MGCP_CMD_RQNT, MGCP_DTMF_INBAND, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, mgcp_subchannel::rtp, send_request(), 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().
02179 { 02180 struct mgcp_request resp; 02181 struct mgcp_endpoint *p = sub->parent; 02182 02183 if (mgcpdebug) { 02184 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02185 tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02186 } 02187 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02188 reqprep(&resp, p, "RQNT"); 02189 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02190 switch (p->hookstate) { 02191 case MGCP_ONHOOK: 02192 add_header(&resp, "R", "L/hd(N)"); 02193 break; 02194 case MGCP_OFFHOOK: 02195 add_header(&resp, "R", (sub->rtp && (p->dtmfmode & MGCP_DTMF_INBAND)) ? "L/hu(N),L/hf(N)" : "L/hu(N),L/hf(N),D/[0-9#*](N)"); 02196 break; 02197 } 02198 if (!ast_strlen_zero(tone)) { 02199 add_header(&resp, "S", tone); 02200 } 02201 /* fill in new fields */ 02202 resp.cmd = MGCP_CMD_RQNT; 02203 resp.trid = oseq; 02204 return send_request(p, NULL, &resp, oseq); /* SC */ 02205 }
static int transmit_notify_request_with_callerid | ( | struct mgcp_subchannel * | sub, | |
char * | tone, | |||
char * | callernum, | |||
char * | callername | |||
) | [static] |
Definition at line 2207 of file chan_mgcp.c.
References add_header(), ast_localtime(), ast_strlen_zero(), ast_verbose(), mgcp_request::cmd, mgcp_endpoint::curtone, mgcp_subchannel::cxmode, mgcp_endpoint::dtmfmode, mgcp_endpoint::hookstate, mgcp_subchannel::id, mgcp_endpoint::lastcallerid, MGCP_CMD_RQNT, MGCP_DTMF_INBAND, MGCP_OFFHOOK, MGCP_ONHOOK, mgcp_gateway::name, mgcp_endpoint::name, mgcp_endpoint::parent, mgcp_subchannel::parent, reqprep(), mgcp_endpoint::rqnt_ident, mgcp_subchannel::rtp, send_request(), t, mgcp_request::trid, and VERBOSE_PREFIX_3.
Referenced by mgcp_call(), and mgcp_hangup().
02208 { 02209 struct mgcp_request resp; 02210 char tone2[256]; 02211 char *l, *n; 02212 time_t t; 02213 struct tm tm; 02214 struct mgcp_endpoint *p = sub->parent; 02215 02216 time(&t); 02217 ast_localtime(&t, &tm, NULL); 02218 n = callername; 02219 l = callernum; 02220 if (!n) 02221 n = ""; 02222 if (!l) 02223 l = ""; 02224 02225 /* Keep track of last callerid for blacklist and callreturn */ 02226 ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid)); 02227 02228 snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone, 02229 tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n); 02230 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02231 reqprep(&resp, p, "RQNT"); 02232 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02233 switch (p->hookstate) { 02234 case MGCP_ONHOOK: 02235 add_header(&resp, "R", "L/hd(N)"); 02236 break; 02237 case MGCP_OFFHOOK: 02238 add_header(&resp, "R", (sub->rtp && (p->dtmfmode & MGCP_DTMF_INBAND)) ? "L/hu(N),L/hf(N)" : "L/hu(N),L/hf(N),D/[0-9#*](N)"); 02239 break; 02240 } 02241 if (!ast_strlen_zero(tone2)) { 02242 add_header(&resp, "S", tone2); 02243 } 02244 if (mgcpdebug) { 02245 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02246 tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02247 } 02248 /* fill in new fields */ 02249 resp.cmd = MGCP_CMD_RQNT; 02250 resp.trid = oseq; 02251 return send_request(p, NULL, &resp, oseq); /* SC */ 02252 }
static int transmit_response | ( | struct mgcp_subchannel * | sub, | |
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 1989 of file chan_mgcp.c.
References mgcp_response::buf, mgcp_request::data, mgcp_request::identifier, mgcp_response::len, mgcp_request::len, malloc, mgcp_response::next, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_gateway::responses, respprep(), send_response(), mgcp_response::seqno, and mgcp_response::whensent.
Referenced by handle_button_template_req_message(), 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().
01990 { 01991 struct mgcp_request resp; 01992 struct mgcp_endpoint *p = sub->parent; 01993 struct mgcp_response *mgr; 01994 01995 respprep(&resp, p, msg, req, msgrest); 01996 mgr = malloc(sizeof(struct mgcp_response) + resp.len + 1); 01997 if (mgr) { 01998 /* Store MGCP response in case we have to retransmit */ 01999 memset(mgr, 0, sizeof(struct mgcp_response)); 02000 sscanf(req->identifier, "%d", &mgr->seqno); 02001 time(&mgr->whensent); 02002 mgr->len = resp.len; 02003 memcpy(mgr->buf, resp.data, resp.len); 02004 mgr->buf[resp.len] = '\0'; 02005 mgr->next = p->parent->responses; 02006 p->parent->responses = mgr; 02007 } 02008 return send_response(sub, &resp); 02009 }
static int unalloc_sub | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 459 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().
00460 { 00461 struct mgcp_endpoint *p = sub->parent; 00462 if (p->sub == sub) { 00463 ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name); 00464 return -1; 00465 } 00466 ast_log(LOG_DEBUG, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name); 00467 00468 sub->owner = NULL; 00469 if (!ast_strlen_zero(sub->cxident)) { 00470 transmit_connection_del(sub); 00471 } 00472 sub->cxident[0] = '\0'; 00473 sub->callid[0] = '\0'; 00474 sub->cxmode = MGCP_CX_INACTIVE; 00475 sub->outgoing = 0; 00476 sub->alreadygone = 0; 00477 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00478 if (sub->rtp) { 00479 ast_rtp_destroy(sub->rtp); 00480 sub->rtp = NULL; 00481 } 00482 dump_cmd_queues(NULL, sub); /* SC */ 00483 return 0; 00484 }
static int unload_module | ( | void | ) | [static] |
Definition at line 4323 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(), mgcp_endpoint::delme, mgcp_gateway::delme, mgcp_gateway::endpoints, gateways, LOG_WARNING, mgcp_reload(), mgcp_endpoint::next, mgcp_gateway::next, prune_gateways(), and sched_context_destroy().
04324 { 04325 struct mgcp_endpoint *e; 04326 struct mgcp_gateway *g; 04327 04328 /* Check to see if we're reloading */ 04329 if (ast_mutex_trylock(&mgcp_reload_lock)) { 04330 ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n"); 04331 return -1; 04332 } else { 04333 mgcp_reloading = 1; 04334 ast_mutex_unlock(&mgcp_reload_lock); 04335 } 04336 04337 /* First, take us out of the channel loop */ 04338 ast_channel_unregister(&mgcp_tech); 04339 04340 /* Shut down the monitoring thread */ 04341 if (!ast_mutex_lock(&monlock)) { 04342 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) { 04343 pthread_cancel(monitor_thread); 04344 pthread_kill(monitor_thread, SIGURG); 04345 pthread_join(monitor_thread, NULL); 04346 } 04347 monitor_thread = AST_PTHREADT_STOP; 04348 ast_mutex_unlock(&monlock); 04349 } else { 04350 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 04351 /* We always want to leave this in a consistent state */ 04352 ast_channel_register(&mgcp_tech); 04353 mgcp_reloading = 0; 04354 mgcp_reload(0, 0, NULL); 04355 return -1; 04356 } 04357 04358 if (!ast_mutex_lock(&gatelock)) { 04359 for (g = gateways; g; g = g->next) { 04360 g->delme = 1; 04361 for (e = g->endpoints; e; e = e->next) 04362 e->delme = 1; 04363 } 04364 04365 prune_gateways(); 04366 ast_mutex_unlock(&gatelock); 04367 } else { 04368 ast_log(LOG_WARNING, "Unable to lock the gateways list.\n"); 04369 /* We always want to leave this in a consistent state */ 04370 ast_channel_register(&mgcp_tech); 04371 /* Allow the monitor to restart */ 04372 monitor_thread = AST_PTHREADT_NULL; 04373 mgcp_reloading = 0; 04374 mgcp_reload(0, 0, NULL); 04375 return -1; 04376 } 04377 04378 close(mgcpsock); 04379 ast_rtp_proto_unregister(&mgcp_rtp); 04380 ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04381 sched_context_destroy(sched); 04382 04383 return 0; 04384 }
struct in_addr __ourip [static] |
Definition at line 221 of file chan_mgcp.c.
char accountcode[AST_MAX_ACCOUNT_CODE] = "" [static] |
Definition at line 186 of file chan_mgcp.c.
int adsi = 0 [static] |
Definition at line 192 of file chan_mgcp.c.
int amaflags = 0 [static] |
Definition at line 190 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 1047 of file chan_mgcp.c.
struct sockaddr_in bindaddr [static] |
Definition at line 406 of file chan_mgcp.c.
int callreturn = 0 [static] |
Definition at line 171 of file chan_mgcp.c.
int callwaiting = 0 [static] |
Definition at line 169 of file chan_mgcp.c.
int cancallforward = 0 [static] |
Definition at line 180 of file chan_mgcp.c.
int canreinvite = CANREINVITE [static] |
Definition at line 184 of file chan_mgcp.c.
int capability = AST_FORMAT_ULAW [static] |
Definition at line 217 of file chan_mgcp.c.
Referenced by add_sdp(), build_setup(), parse_setup(), and set_local_capabilities().
char cid_name[AST_MAX_EXTENSION] = "" [static] |
Definition at line 157 of file chan_mgcp.c.
Referenced by __oh323_new(), 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 156 of file chan_mgcp.c.
Referenced by __oh323_new(), 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] |
Definition at line 1136 of file chan_mgcp.c.
const char config[] = "mgcp.conf" [static] |
Definition at line 110 of file chan_mgcp.c.
char context[AST_MAX_EXTENSION] = "default" [static] |
Definition at line 152 of file chan_mgcp.c.
ast_group_t cur_callergroup = 0 [static] |
Definition at line 162 of file chan_mgcp.c.
ast_group_t cur_pickupgroup = 0 [static] |
Definition at line 163 of file chan_mgcp.c.
char debug_usage[] [static] |
Initial value:
"Usage: mgcp set debug\n" " Enables dumping of MGCP packets for debugging purposes\n"
Definition at line 1052 of file chan_mgcp.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 100 of file chan_mgcp.c.
int dtmfmode = 0 [static] |
int firstdigittimeout = 16000 [static] |
Wait up to 16 seconds for first digit (FXO logic)
Definition at line 197 of file chan_mgcp.c.
Referenced by disa_exec().
struct mgcp_gateway * gateways [static] |
int gendigittimeout = 8000 [static] |
How long to wait for following digits (FXO logic)
Definition at line 200 of file chan_mgcp.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 107 of file chan_mgcp.c.
int immediate = 0 [static] |
Definition at line 167 of file chan_mgcp.c.
struct io_context* io [static] |
Definition at line 227 of file chan_mgcp.c.
char language[MAX_LANGUAGE] = "" [static] |
Definition at line 154 of file chan_mgcp.c.
char mailbox[AST_MAX_EXTENSION] [static] |
Definition at line 188 of file chan_mgcp.c.
Referenced by action_mailboxcount(), action_mailboxstatus(), 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 203 of file chan_mgcp.c.
char* mgcp_cxmodes[] [static] |
}
Definition at line 132 of file chan_mgcp.c.
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 1060 of file chan_mgcp.c.
int mgcp_reloading = 0 [static] |
Definition at line 399 of file chan_mgcp.c.
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 3976 of file chan_mgcp.c.
struct ast_channel_tech mgcp_tech [static] |
Definition at line 435 of file chan_mgcp.c.
int mgcpdebug = 0 [static] |
Definition at line 224 of file chan_mgcp.c.
int mgcpsock = -1 [static] |
Definition at line 404 of file chan_mgcp.c.
int* mgcpsock_read_id = NULL [static] |
Definition at line 3398 of file chan_mgcp.c.
pthread_t monitor_thread = AST_PTHREADT_NULL [static] |
This is the thread for the monitor which checks for input on the channels which are not currently in use.
Definition at line 213 of file chan_mgcp.c.
char musicclass[MAX_MUSICCLASS] = "" [static] |
Definition at line 155 of file chan_mgcp.c.
Referenced by ast_do_masquerade(), begin_dial(), func_channel_write(), gtalk_new(), moh2_exec(), moh_write(), and read_config().
int nat = 0 [static] |
Definition at line 160 of file chan_mgcp.c.
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 1056 of file chan_mgcp.c.
int nonCodecCapability = AST_RTP_DTMF [static] |
Definition at line 218 of file chan_mgcp.c.
unsigned int oseq [static] |
Definition at line 194 of file chan_mgcp.c.
char ourhost[MAXHOSTNAMELEN] [static] |
int ourport [static] |
Definition at line 222 of file chan_mgcp.c.
Referenced by build_contact(), build_via(), initreqprep(), and reload_config().
struct sched_context* sched [static] |
Definition at line 226 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 1043 of file chan_mgcp.c.
int singlepath = 0 [static] |
Definition at line 182 of file chan_mgcp.c.
int slowsequence = 0 [static] |
Definition at line 173 of file chan_mgcp.c.
const char tdesc[] = "Media Gateway Control Protocol (MGCP)" [static] |
Definition at line 109 of file chan_mgcp.c.
int threewaycalling = 0 [static] |
Definition at line 175 of file chan_mgcp.c.
int tos = 0 [static] |
Definition at line 165 of file chan_mgcp.c.
int transfer = 0 [static] |
This is for flashhook transfers
Definition at line 178 of file chan_mgcp.c.
Referenced by leave_voicemail(), and send_packet().