#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 (const void *data) |
static void | sdpLineNum_iterator_init (int *iterator) |
static int | send_request (struct mgcp_endpoint *p, struct mgcp_subchannel *sub, struct mgcp_request *req, unsigned int seqno) |
static int | send_response (struct mgcp_subchannel *sub, struct mgcp_request *req) |
static void | start_rtp (struct mgcp_subchannel *sub) |
static int | transmit_audit_endpoint (struct mgcp_endpoint *p) |
static int | transmit_connect_with_sdp (struct mgcp_subchannel *sub, struct ast_rtp *rtp) |
static int | transmit_connection_del (struct mgcp_subchannel *sub) |
static int | transmit_connection_del_w_params (struct mgcp_endpoint *p, char *callid, char *cxident) |
static int | transmit_modify_request (struct mgcp_subchannel *sub) |
static int | transmit_modify_with_sdp (struct mgcp_subchannel *sub, struct ast_rtp *rtp, int codecs) |
static int | transmit_notify_request (struct mgcp_subchannel *sub, char *tone) |
static int | transmit_notify_request_with_callerid (struct mgcp_subchannel *sub, char *tone, char *callernum, char *callername) |
static int | transmit_response (struct mgcp_subchannel *sub, char *msg, struct mgcp_request *req, char *msgrest) |
static int | unalloc_sub (struct mgcp_subchannel *sub) |
static int | unload_module (void) |
Variables | |
static struct in_addr | __ourip |
static char | accountcode [AST_MAX_ACCOUNT_CODE] = "" |
static int | adsi = 0 |
static int | amaflags = 0 |
static char | audit_endpoint_usage [] |
static struct sockaddr_in | bindaddr |
static int | callreturn = 0 |
static int | callwaiting = 0 |
static int | cancallforward = 0 |
static int | canreinvite = CANREINVITE |
static int | capability = AST_FORMAT_ULAW |
static char | cid_name [AST_MAX_EXTENSION] = "" |
static char | cid_num [AST_MAX_EXTENSION] = "" |
static struct ast_cli_entry | cli_mgcp [] |
static const char | config [] = "mgcp.conf" |
static char | context [AST_MAX_EXTENSION] = "default" |
static ast_group_t | cur_callergroup = 0 |
static ast_group_t | cur_pickupgroup = 0 |
static char | debug_usage [] |
static struct ast_jb_conf | default_jbconf |
static int | dtmfmode = 0 |
static int | firstdigittimeout = 16000 |
static struct mgcp_gateway * | gateways |
static int | gendigittimeout = 8000 |
static struct ast_jb_conf | global_jbconf |
static int | immediate = 0 |
static struct io_context * | io |
static char | language [MAX_LANGUAGE] = "" |
static char | mailbox [AST_MAX_EXTENSION] |
static int | matchdigittimeout = 3000 |
static char * | mgcp_cxmodes [] |
static char | mgcp_reload_usage [] |
static int | mgcp_reloading = 0 |
static struct ast_rtp_protocol | mgcp_rtp |
static struct ast_channel_tech | mgcp_tech |
static int | mgcpdebug = 0 |
static int | mgcpsock = -1 |
static int * | mgcpsock_read_id = NULL |
static pthread_t | monitor_thread = AST_PTHREADT_NULL |
static char | musicclass [MAX_MUSICCLASS] = "" |
static int | nat = 0 |
static char | no_debug_usage [] |
static int | nonCodecCapability = AST_RTP_DTMF |
static unsigned int | oseq |
static char | ourhost [MAXHOSTNAMELEN] |
static int | ourport |
static struct sched_context * | sched |
static char | show_endpoints_usage [] |
static int | singlepath = 0 |
static int | slowsequence = 0 |
static const char | tdesc [] = "Media Gateway Control Protocol (MGCP)" |
static int | threewaycalling = 0 |
static int | tos = 0 |
static int | transfer = 0 |
Definition in file chan_mgcp.c.
#define CANREINVITE 1 |
#define DEFAULT_EXPIRY 120 |
#define DEFAULT_MGCP_CA_PORT 2727 |
#define DEFAULT_MGCP_GW_PORT 2427 |
#define DEFAULT_RETRANS 1000 |
How frequently to retransmit
Definition at line 122 of file chan_mgcp.c.
Referenced by __sip_reliable_xmit(), mgcp_postrequest(), and retrans_pkt().
#define INADDR_NONE (in_addr_t)(-1) |
#define IPTOS_MINCOST 0x02 |
Definition at line 84 of file chan_mgcp.c.
#define MAX_EXPIRY 3600 |
Definition at line 95 of file chan_mgcp.c.
#define MAX_RETRANS 5 |
Try only 5 times for retransmissions
Definition at line 123 of file chan_mgcp.c.
Referenced by retrans_pkt().
#define MAX_SUBS 2 |
#define MGCP_CX_CONF 3 |
#define MGCP_CX_CONFERENCE 3 |
Definition at line 130 of file chan_mgcp.c.
#define MGCP_CX_INACTIVE 4 |
Definition at line 132 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), and unalloc_sub().
#define MGCP_CX_MUTE 4 |
#define MGCP_CX_RECVONLY 1 |
Definition at line 127 of file chan_mgcp.c.
Referenced by handle_request(), mgcp_call(), and mgcp_hangup().
#define MGCP_CX_SENDONLY 0 |
MGCP rtp stream modes {
Definition at line 126 of file chan_mgcp.c.
#define MGCP_CX_SENDRECV 2 |
Definition at line 128 of file chan_mgcp.c.
Referenced by handle_hd_hf(), handle_request(), mgcp_answer(), and mgcp_call().
#define MGCP_DTMF_HYBRID (1 << 2) |
Definition at line 117 of file chan_mgcp.c.
Referenced by build_gateway(), mgcp_hangup(), mgcp_new(), and mgcp_ss().
#define MGCP_DTMF_INBAND (1 << 1) |
Definition at line 116 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 234 of file chan_mgcp.c.
Referenced by add_header(), init_req(), init_resp(), and parse().
#define MGCP_MAX_LINES 64 |
#define MGCP_MAX_PACKET 1500 |
Also from RFC 2543, should sub headers tho
Definition at line 121 of file chan_mgcp.c.
#define MGCP_OFFHOOK 2 |
Definition at line 309 of file chan_mgcp.c.
Referenced by handle_hd_hf(), handle_request(), handle_response(), mgcp_call(), mgcp_hangup(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
#define MGCP_ONHOOK 1 |
Definition at line 308 of file chan_mgcp.c.
Referenced by build_gateway(), do_monitor(), handle_request(), handle_response(), mgcp_call(), mgcp_hangup(), mgcp_request(), transmit_modify_request(), transmit_notify_request(), and transmit_notify_request_with_callerid().
#define MGCP_SUBCHANNEL_MAGIC "!978!" |
subchannel magic string. Needed to prove that any subchannel pointer passed by asterisk really points to a valid subchannel memory area. Ugly.. But serves the purpose for the time being.
Definition at line 286 of file chan_mgcp.c.
Referenced by build_gateway(), and mgcp_hangup().
#define MGCPDUMPER |
Definition at line 93 of file chan_mgcp.c.
#define RESPONSE_TIMEOUT 30 |
#define SUB_ALT 1 |
Definition at line 278 of file chan_mgcp.c.
#define SUB_REAL 0 |
Definition at line 277 of file chan_mgcp.c.
#define TYPE_LINE 2 |
Definition at line 312 of file chan_mgcp.c.
Referenced by build_device(), build_gateway(), do_monitor(), mgcp_call(), and skinny_hangup().
#define TYPE_TRUNK 1 |
anonymous enum |
MGCP_CMD_EPCF | |
MGCP_CMD_CRCX | |
MGCP_CMD_MDCX | |
MGCP_CMD_DLCX | |
MGCP_CMD_RQNT | |
MGCP_CMD_NTFY | |
MGCP_CMD_AUEP | |
MGCP_CMD_AUCX | |
MGCP_CMD_RSIP |
Definition at line 143 of file chan_mgcp.c.
00143 { 00144 MGCP_CMD_EPCF, 00145 MGCP_CMD_CRCX, 00146 MGCP_CMD_MDCX, 00147 MGCP_CMD_DLCX, 00148 MGCP_CMD_RQNT, 00149 MGCP_CMD_NTFY, 00150 MGCP_CMD_AUEP, 00151 MGCP_CMD_AUCX, 00152 MGCP_CMD_RSIP 00153 };
static char* __get_header | ( | struct mgcp_request * | req, | |
char * | name, | |||
int * | start | |||
) | [static] |
Definition at line 1539 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().
01540 { 01541 int x; 01542 int len = strlen(name); 01543 char *r; 01544 for (x=*start;x<req->headers;x++) { 01545 if (!strncasecmp(req->header[x], name, len) && 01546 (req->header[x][len] == ':')) { 01547 r = req->header[x] + len + 1; 01548 while(*r && (*r < 33)) 01549 r++; 01550 *start = x+1; 01551 return r; 01552 } 01553 } 01554 /* Don't return NULL, so get_header is always a valid pointer */ 01555 return ""; 01556 }
static int __mgcp_xmit | ( | struct mgcp_gateway * | gw, | |
char * | data, | |||
int | len | |||
) | [static] |
Definition at line 490 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_log(), mgcp_gateway::defaddr, errno, and LOG_WARNING.
Referenced by mgcp_postrequest(), resend_response(), retrans_pkt(), and send_response().
00491 { 00492 int res; 00493 if (gw->addr.sin_addr.s_addr) 00494 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->addr, sizeof(struct sockaddr_in)); 00495 else 00496 res=sendto(mgcpsock, data, len, 0, (struct sockaddr *)&gw->defaddr, sizeof(struct sockaddr_in)); 00497 if (res != len) { 00498 ast_log(LOG_WARNING, "mgcp_xmit returned %d: %s\n", res, strerror(errno)); 00499 } 00500 return res; 00501 }
static int add_header | ( | struct mgcp_request * | req, | |
char * | var, | |||
char * | value | |||
) | [static] |
Definition at line 1889 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().
01890 { 01891 if (req->len >= sizeof(req->data) - 4) { 01892 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01893 return -1; 01894 } 01895 if (req->lines) { 01896 ast_log(LOG_WARNING, "Can't add more headers when lines have been added\n"); 01897 return -1; 01898 } 01899 req->header[req->headers] = req->data + req->len; 01900 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s: %s\r\n", var, value); 01901 req->len += strlen(req->header[req->headers]); 01902 if (req->headers < MGCP_MAX_HEADERS) 01903 req->headers++; 01904 else { 01905 ast_log(LOG_WARNING, "Out of header space\n"); 01906 return -1; 01907 } 01908 return 0; 01909 }
static int add_line | ( | struct mgcp_request * | req, | |
char * | line | |||
) | [static] |
Definition at line 1911 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().
01912 { 01913 if (req->len >= sizeof(req->data) - 4) { 01914 ast_log(LOG_WARNING, "Out of space, can't add anymore\n"); 01915 return -1; 01916 } 01917 if (!req->lines) { 01918 /* Add extra empty return */ 01919 snprintf(req->data + req->len, sizeof(req->data) - req->len, "\r\n"); 01920 req->len += strlen(req->data + req->len); 01921 } 01922 req->line[req->lines] = req->data + req->len; 01923 snprintf(req->line[req->lines], sizeof(req->data) - req->len, "%s", line); 01924 req->len += strlen(req->line[req->lines]); 01925 if (req->lines < MGCP_MAX_LINES) 01926 req->lines++; 01927 else { 01928 ast_log(LOG_WARNING, "Out of line space\n"); 01929 return -1; 01930 } 01931 return 0; 01932 }
static int add_sdp | ( | struct mgcp_request * | resp, | |
struct mgcp_subchannel * | sub, | |||
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2013 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().
02014 { 02015 int len; 02016 int codec; 02017 char costr[80]; 02018 struct sockaddr_in sin; 02019 char v[256]; 02020 char s[256]; 02021 char o[256]; 02022 char c[256]; 02023 char t[256]; 02024 char m[256] = ""; 02025 char a[1024] = ""; 02026 int x; 02027 struct sockaddr_in dest; 02028 struct mgcp_endpoint *p = sub->parent; 02029 /* XXX We break with the "recommendation" and send our IP, in order that our 02030 peer doesn't have to ast_gethostbyname() us XXX */ 02031 len = 0; 02032 if (!sub->rtp) { 02033 ast_log(LOG_WARNING, "No way to add SDP without an RTP structure\n"); 02034 return -1; 02035 } 02036 ast_rtp_get_us(sub->rtp, &sin); 02037 if (rtp) { 02038 ast_rtp_get_peer(rtp, &dest); 02039 } else { 02040 if (sub->tmpdest.sin_addr.s_addr) { 02041 dest.sin_addr = sub->tmpdest.sin_addr; 02042 dest.sin_port = sub->tmpdest.sin_port; 02043 /* Reset temporary destination */ 02044 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 02045 } else { 02046 dest.sin_addr = p->parent->ourip; 02047 dest.sin_port = sin.sin_port; 02048 } 02049 } 02050 if (mgcpdebug) { 02051 ast_verbose("We're at %s port %d\n", ast_inet_ntoa(p->parent->ourip), ntohs(sin.sin_port)); 02052 } 02053 snprintf(v, sizeof(v), "v=0\r\n"); 02054 snprintf(o, sizeof(o), "o=root %d %d IN IP4 %s\r\n", (int)getpid(), (int)getpid(), ast_inet_ntoa(dest.sin_addr)); 02055 snprintf(s, sizeof(s), "s=session\r\n"); 02056 snprintf(c, sizeof(c), "c=IN IP4 %s\r\n", ast_inet_ntoa(dest.sin_addr)); 02057 snprintf(t, sizeof(t), "t=0 0\r\n"); 02058 snprintf(m, sizeof(m), "m=audio %d RTP/AVP", ntohs(dest.sin_port)); 02059 for (x = 1; x <= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02060 if (p->capability & x) { 02061 if (mgcpdebug) { 02062 ast_verbose("Answering with capability %d\n", x); 02063 } 02064 codec = ast_rtp_lookup_code(sub->rtp, 1, x); 02065 if (codec > -1) { 02066 snprintf(costr, sizeof(costr), " %d", codec); 02067 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02068 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(1, x, 0)); 02069 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02070 } 02071 } 02072 } 02073 for (x = 1; x <= AST_RTP_MAX; x <<= 1) { 02074 if (p->nonCodecCapability & x) { 02075 if (mgcpdebug) { 02076 ast_verbose("Answering with non-codec capability %d\n", x); 02077 } 02078 codec = ast_rtp_lookup_code(sub->rtp, 0, x); 02079 if (codec > -1) { 02080 snprintf(costr, sizeof(costr), " %d", codec); 02081 strncat(m, costr, sizeof(m) - strlen(m) - 1); 02082 snprintf(costr, sizeof(costr), "a=rtpmap:%d %s/8000\r\n", codec, ast_rtp_lookup_mime_subtype(0, x, 0)); 02083 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02084 if (x == AST_RTP_DTMF) { 02085 /* Indicate we support DTMF... Not sure about 16, 02086 but MSN supports it so dang it, we will too... */ 02087 snprintf(costr, sizeof costr, "a=fmtp:%d 0-16\r\n", codec); 02088 strncat(a, costr, sizeof(a) - strlen(a) - 1); 02089 } 02090 } 02091 } 02092 } 02093 strncat(m, "\r\n", sizeof(m) - strlen(m) - 1); 02094 len = strlen(v) + strlen(s) + strlen(o) + strlen(c) + strlen(t) + strlen(m) + strlen(a); 02095 snprintf(costr, sizeof(costr), "%d", len); 02096 add_line(resp, v); 02097 add_line(resp, o); 02098 add_line(resp, s); 02099 add_line(resp, c); 02100 add_line(resp, t); 02101 add_line(resp, m); 02102 add_line(resp, a); 02103 return 0; 02104 }
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 2872 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().
02873 { 02874 /* ************************* 02875 * I hope this works. 02876 * Copied out of chan_zap 02877 * Cross your fingers 02878 * *************************/ 02879 02880 /* In order to transfer, we need at least one of the channels to 02881 actually be in a call bridge. We can't conference two applications 02882 together (but then, why would we want to?) */ 02883 if (ast_bridged_channel(p->sub->owner)) { 02884 /* The three-way person we're about to transfer to could still be in MOH, so 02885 stop if now if appropriate */ 02886 if (ast_bridged_channel(p->sub->next->owner)) 02887 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02888 if (p->sub->owner->_state == AST_STATE_RINGING) { 02889 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02890 } 02891 if (ast_channel_masquerade(p->sub->next->owner, ast_bridged_channel(p->sub->owner))) { 02892 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02893 ast_bridged_channel(p->sub->owner)->name, p->sub->next->owner->name); 02894 return -1; 02895 } 02896 /* Orphan the channel */ 02897 unalloc_sub(p->sub->next); 02898 } else if (ast_bridged_channel(p->sub->next->owner)) { 02899 if (p->sub->owner->_state == AST_STATE_RINGING) { 02900 ast_indicate(ast_bridged_channel(p->sub->next->owner), AST_CONTROL_RINGING); 02901 } 02902 ast_queue_control(p->sub->next->owner, AST_CONTROL_UNHOLD); 02903 if (ast_channel_masquerade(p->sub->owner, ast_bridged_channel(p->sub->next->owner))) { 02904 ast_log(LOG_WARNING, "Unable to masquerade %s as %s\n", 02905 ast_bridged_channel(p->sub->next->owner)->name, p->sub->owner->name); 02906 return -1; 02907 } 02908 /*swap_subs(p, SUB_THREEWAY, SUB_REAL);*/ 02909 if (option_verbose > 2) { 02910 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); 02911 } 02912 p->sub = p->sub->next; 02913 unalloc_sub(p->sub->next); 02914 /* Tell the caller not to hangup */ 02915 return 1; 02916 } else { 02917 ast_log(LOG_DEBUG, "Neither %s nor %s are in a bridge, nothing to transfer\n", 02918 p->sub->owner->name, p->sub->next->owner->name); 02919 p->sub->next->owner->_softhangup |= AST_SOFTHANGUP_DEV; 02920 if (p->sub->next->owner) { 02921 p->sub->next->alreadygone = 1; 02922 mgcp_queue_hangup(p->sub->next); 02923 } 02924 } 02925 return 0; 02926 }
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 3570 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().
03571 { 03572 struct mgcp_gateway *gw; 03573 struct mgcp_endpoint *e; 03574 struct mgcp_subchannel *sub; 03575 /*char txident[80];*/ 03576 int i=0, y=0; 03577 int gw_reload = 0; 03578 int ep_reload = 0; 03579 canreinvite = CANREINVITE; 03580 03581 /* locate existing gateway */ 03582 gw = gateways; 03583 while (gw) { 03584 if (!strcasecmp(cat, gw->name)) { 03585 /* gateway already exists */ 03586 gw->delme = 0; 03587 gw_reload = 1; 03588 break; 03589 } 03590 gw = gw->next; 03591 } 03592 03593 if (!gw) 03594 gw = malloc(sizeof(struct mgcp_gateway)); 03595 03596 if (gw) { 03597 if (!gw_reload) { 03598 memset(gw, 0, sizeof(struct mgcp_gateway)); 03599 gw->expire = -1; 03600 gw->retransid = -1; /* SC */ 03601 ast_mutex_init(&gw->msgs_lock); 03602 ast_copy_string(gw->name, cat, sizeof(gw->name)); 03603 /* check if the name is numeric ip */ 03604 if ((strchr(gw->name, '.')) && inet_addr(gw->name) != INADDR_NONE) 03605 gw->isnamedottedip = 1; 03606 } 03607 while(v) { 03608 if (!strcasecmp(v->name, "host")) { 03609 if (!strcasecmp(v->value, "dynamic")) { 03610 /* They'll register with us */ 03611 gw->dynamic = 1; 03612 memset(&gw->addr.sin_addr, 0, 4); 03613 if (gw->addr.sin_port) { 03614 /* If we've already got a port, make it the default rather than absolute */ 03615 gw->defaddr.sin_port = gw->addr.sin_port; 03616 gw->addr.sin_port = 0; 03617 } 03618 } else { 03619 /* Non-dynamic. Make sure we become that way if we're not */ 03620 if (gw->expire > -1) 03621 ast_sched_del(sched, gw->expire); 03622 gw->expire = -1; 03623 gw->dynamic = 0; 03624 if (ast_get_ip(&gw->addr, v->value)) { 03625 if (!gw_reload) { 03626 ast_mutex_destroy(&gw->msgs_lock); 03627 free(gw); 03628 } 03629 return NULL; 03630 } 03631 } 03632 } else if (!strcasecmp(v->name, "defaultip")) { 03633 if (ast_get_ip(&gw->defaddr, v->value)) { 03634 if (!gw_reload) { 03635 ast_mutex_destroy(&gw->msgs_lock); 03636 free(gw); 03637 } 03638 return NULL; 03639 } 03640 } else if (!strcasecmp(v->name, "permit") || 03641 !strcasecmp(v->name, "deny")) { 03642 gw->ha = ast_append_ha(v->name, v->value, gw->ha); 03643 } else if (!strcasecmp(v->name, "port")) { 03644 gw->addr.sin_port = htons(atoi(v->value)); 03645 } else if (!strcasecmp(v->name, "context")) { 03646 ast_copy_string(context, v->value, sizeof(context)); 03647 } else if (!strcasecmp(v->name, "dtmfmode")) { 03648 if (!strcasecmp(v->value, "inband")) 03649 dtmfmode = MGCP_DTMF_INBAND; 03650 else if (!strcasecmp(v->value, "rfc2833")) 03651 dtmfmode = MGCP_DTMF_RFC2833; 03652 else if (!strcasecmp(v->value, "hybrid")) 03653 dtmfmode = MGCP_DTMF_HYBRID; 03654 else if (!strcasecmp(v->value, "none")) 03655 dtmfmode = 0; 03656 else 03657 ast_log(LOG_WARNING, "'%s' is not a valid DTMF mode at line %d\n", v->value, v->lineno); 03658 } else if (!strcasecmp(v->name, "nat")) { 03659 nat = ast_true(v->value); 03660 } else if (!strcasecmp(v->name, "callerid")) { 03661 if (!strcasecmp(v->value, "asreceived")) { 03662 cid_num[0] = '\0'; 03663 cid_name[0] = '\0'; 03664 } else { 03665 ast_callerid_split(v->value, cid_name, sizeof(cid_name), cid_num, sizeof(cid_num)); 03666 } 03667 } else if (!strcasecmp(v->name, "language")) { 03668 ast_copy_string(language, v->value, sizeof(language)); 03669 } else if (!strcasecmp(v->name, "accountcode")) { 03670 ast_copy_string(accountcode, v->value, sizeof(accountcode)); 03671 } else if (!strcasecmp(v->name, "amaflags")) { 03672 y = ast_cdr_amaflags2int(v->value); 03673 if (y < 0) { 03674 ast_log(LOG_WARNING, "Invalid AMA flags: %s at line %d\n", v->value, v->lineno); 03675 } else { 03676 amaflags = y; 03677 } 03678 } else if (!strcasecmp(v->name, "musiconhold")) { 03679 ast_copy_string(musicclass, v->value, sizeof(musicclass)); 03680 } else if (!strcasecmp(v->name, "callgroup")) { 03681 cur_callergroup = ast_get_group(v->value); 03682 } else if (!strcasecmp(v->name, "pickupgroup")) { 03683 cur_pickupgroup = ast_get_group(v->value); 03684 } else if (!strcasecmp(v->name, "immediate")) { 03685 immediate = ast_true(v->value); 03686 } else if (!strcasecmp(v->name, "cancallforward")) { 03687 cancallforward = ast_true(v->value); 03688 } else if (!strcasecmp(v->name, "singlepath")) { 03689 singlepath = ast_true(v->value); 03690 } else if (!strcasecmp(v->name, "canreinvite")) { 03691 canreinvite = ast_true(v->value); 03692 } else if (!strcasecmp(v->name, "mailbox")) { 03693 ast_copy_string(mailbox, v->value, sizeof(mailbox)); 03694 } else if (!strcasecmp(v->name, "adsi")) { 03695 adsi = ast_true(v->value); 03696 } else if (!strcasecmp(v->name, "callreturn")) { 03697 callreturn = ast_true(v->value); 03698 } else if (!strcasecmp(v->name, "callwaiting")) { 03699 callwaiting = ast_true(v->value); 03700 } else if (!strcasecmp(v->name, "slowsequence")) { 03701 slowsequence = ast_true(v->value); 03702 } else if (!strcasecmp(v->name, "transfer")) { 03703 transfer = ast_true(v->value); 03704 } else if (!strcasecmp(v->name, "threewaycalling")) { 03705 threewaycalling = ast_true(v->value); 03706 } else if (!strcasecmp(v->name, "wcardep")) { 03707 /* locate existing endpoint */ 03708 e = gw->endpoints; 03709 while (e) { 03710 if (!strcasecmp(v->value, e->name)) { 03711 /* endpoint already exists */ 03712 e->delme = 0; 03713 ep_reload = 1; 03714 break; 03715 } 03716 e = e->next; 03717 } 03718 03719 if (!e) { 03720 /* Allocate wildcard endpoint */ 03721 e = malloc(sizeof(struct mgcp_endpoint)); 03722 ep_reload = 0; 03723 } 03724 03725 if (e) { 03726 if (!ep_reload) { 03727 memset(e, 0, sizeof(struct mgcp_endpoint)); 03728 ast_mutex_init(&e->lock); 03729 ast_mutex_init(&e->rqnt_queue_lock); 03730 ast_mutex_init(&e->cmd_queue_lock); 03731 ast_copy_string(e->name, v->value, sizeof(e->name)); 03732 e->needaudit = 1; 03733 } 03734 ast_copy_string(gw->wcardep, v->value, sizeof(gw->wcardep)); 03735 /* XXX Should we really check for uniqueness?? XXX */ 03736 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03737 ast_copy_string(e->context, context, sizeof(e->context)); 03738 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03739 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03740 ast_copy_string(e->language, language, sizeof(e->language)); 03741 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03742 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03743 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03744 e->msgstate = -1; 03745 e->amaflags = amaflags; 03746 e->capability = capability; 03747 e->parent = gw; 03748 e->dtmfmode = dtmfmode; 03749 if (!ep_reload && e->sub && e->sub->rtp) 03750 e->dtmfmode |= MGCP_DTMF_INBAND; 03751 e->adsi = adsi; 03752 e->type = TYPE_LINE; 03753 e->immediate = immediate; 03754 e->callgroup=cur_callergroup; 03755 e->pickupgroup=cur_pickupgroup; 03756 e->callreturn = callreturn; 03757 e->cancallforward = cancallforward; 03758 e->singlepath = singlepath; 03759 e->canreinvite = canreinvite; 03760 e->callwaiting = callwaiting; 03761 e->hascallwaiting = callwaiting; 03762 e->slowsequence = slowsequence; 03763 e->transfer = transfer; 03764 e->threewaycalling = threewaycalling; 03765 e->onhooktime = time(NULL); 03766 /* ASSUME we're onhook */ 03767 e->hookstate = MGCP_ONHOOK; 03768 if (!ep_reload) { 03769 /*snprintf(txident, sizeof(txident), "%08lx", ast_random());*/ 03770 for (i = 0; i < MAX_SUBS; i++) { 03771 sub = malloc(sizeof(struct mgcp_subchannel)); 03772 if (sub) { 03773 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03774 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03775 ast_mutex_init(&sub->lock); 03776 ast_mutex_init(&sub->cx_queue_lock); 03777 sub->parent = e; 03778 sub->id = i; 03779 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03780 /*stnrcpy(sub->txident, txident, sizeof(sub->txident) - 1);*/ 03781 sub->cxmode = MGCP_CX_INACTIVE; 03782 sub->nat = nat; 03783 sub->next = e->sub; 03784 e->sub = sub; 03785 } else { 03786 /* XXX Should find a way to clean up our memory */ 03787 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03788 return NULL; 03789 } 03790 } 03791 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03792 sub = e->sub; 03793 /* find the end of the list */ 03794 while(sub->next){ 03795 sub = sub->next; 03796 } 03797 /* set the last sub->next to the first sub */ 03798 sub->next = e->sub; 03799 03800 e->next = gw->endpoints; 03801 gw->endpoints = e; 03802 } 03803 } 03804 } else if (!strcasecmp(v->name, "trunk") || 03805 !strcasecmp(v->name, "line")) { 03806 03807 /* locate existing endpoint */ 03808 e = gw->endpoints; 03809 while (e) { 03810 if (!strcasecmp(v->value, e->name)) { 03811 /* endpoint already exists */ 03812 e->delme = 0; 03813 ep_reload = 1; 03814 break; 03815 } 03816 e = e->next; 03817 } 03818 03819 if (!e) { 03820 e = malloc(sizeof(struct mgcp_endpoint)); 03821 ep_reload = 0; 03822 } 03823 03824 if (e) { 03825 if (!ep_reload) { 03826 memset(e, 0, sizeof(struct mgcp_endpoint)); 03827 ast_mutex_init(&e->lock); 03828 ast_mutex_init(&e->rqnt_queue_lock); 03829 ast_mutex_init(&e->cmd_queue_lock); 03830 ast_copy_string(e->name, v->value, sizeof(e->name)); 03831 e->needaudit = 1; 03832 } 03833 /* XXX Should we really check for uniqueness?? XXX */ 03834 ast_copy_string(e->accountcode, accountcode, sizeof(e->accountcode)); 03835 ast_copy_string(e->context, context, sizeof(e->context)); 03836 ast_copy_string(e->cid_num, cid_num, sizeof(e->cid_num)); 03837 ast_copy_string(e->cid_name, cid_name, sizeof(e->cid_name)); 03838 ast_copy_string(e->language, language, sizeof(e->language)); 03839 ast_copy_string(e->musicclass, musicclass, sizeof(e->musicclass)); 03840 ast_copy_string(e->mailbox, mailbox, sizeof(e->mailbox)); 03841 if (!ast_strlen_zero(mailbox)) { 03842 ast_verbose(VERBOSE_PREFIX_3 "Setting mailbox '%s' on %s@%s\n", mailbox, gw->name, e->name); 03843 } 03844 if (!ep_reload) { 03845 /* XXX potential issue due to reload */ 03846 e->msgstate = -1; 03847 e->parent = gw; 03848 } 03849 e->amaflags = amaflags; 03850 e->capability = capability; 03851 e->dtmfmode = dtmfmode; 03852 e->adsi = adsi; 03853 if (!strcasecmp(v->name, "trunk")) 03854 e->type = TYPE_TRUNK; 03855 else 03856 e->type = TYPE_LINE; 03857 03858 e->immediate = immediate; 03859 e->callgroup=cur_callergroup; 03860 e->pickupgroup=cur_pickupgroup; 03861 e->callreturn = callreturn; 03862 e->cancallforward = cancallforward; 03863 e->canreinvite = canreinvite; 03864 e->singlepath = singlepath; 03865 e->callwaiting = callwaiting; 03866 e->hascallwaiting = callwaiting; 03867 e->slowsequence = slowsequence; 03868 e->transfer = transfer; 03869 e->threewaycalling = threewaycalling; 03870 if (!ep_reload) { 03871 e->onhooktime = time(NULL); 03872 /* ASSUME we're onhook */ 03873 e->hookstate = MGCP_ONHOOK; 03874 snprintf(e->rqnt_ident, sizeof(e->rqnt_ident), "%08lx", ast_random()); 03875 } 03876 03877 for (i = 0, sub = NULL; i < MAX_SUBS; i++) { 03878 if (!ep_reload) { 03879 sub = malloc(sizeof(struct mgcp_subchannel)); 03880 } else { 03881 if (!sub) 03882 sub = e->sub; 03883 else 03884 sub = sub->next; 03885 } 03886 03887 if (sub) { 03888 if (!ep_reload) { 03889 ast_verbose(VERBOSE_PREFIX_3 "Allocating subchannel '%d' on %s@%s\n", i, e->name, gw->name); 03890 memset(sub, 0, sizeof(struct mgcp_subchannel)); 03891 ast_mutex_init(&sub->lock); 03892 ast_mutex_init(&sub->cx_queue_lock); 03893 ast_copy_string(sub->magic, MGCP_SUBCHANNEL_MAGIC, sizeof(sub->magic)); 03894 sub->parent = e; 03895 sub->id = i; 03896 snprintf(sub->txident, sizeof(sub->txident), "%08lx", ast_random()); 03897 sub->cxmode = MGCP_CX_INACTIVE; 03898 sub->next = e->sub; 03899 e->sub = sub; 03900 } 03901 sub->nat = nat; 03902 } else { 03903 /* XXX Should find a way to clean up our memory */ 03904 ast_log(LOG_WARNING, "Out of memory allocating subchannel\n"); 03905 return NULL; 03906 } 03907 } 03908 if (!ep_reload) { 03909 /* Make out subs a circular linked list so we can always sping through the whole bunch */ 03910 sub = e->sub; 03911 /* find the end of the list */ 03912 while (sub->next) { 03913 sub = sub->next; 03914 } 03915 /* set the last sub->next to the first sub */ 03916 sub->next = e->sub; 03917 03918 e->next = gw->endpoints; 03919 gw->endpoints = e; 03920 } 03921 } 03922 } else 03923 ast_log(LOG_WARNING, "Don't know keyword '%s' at line %d\n", v->name, v->lineno); 03924 v = v->next; 03925 } 03926 } 03927 if (!ntohl(gw->addr.sin_addr.s_addr) && !gw->dynamic) { 03928 ast_log(LOG_WARNING, "Gateway '%s' lacks IP address and isn't dynamic\n", gw->name); 03929 if (!gw_reload) { 03930 ast_mutex_destroy(&gw->msgs_lock); 03931 free(gw); 03932 } 03933 return NULL; 03934 } 03935 gw->defaddr.sin_family = AF_INET; 03936 gw->addr.sin_family = AF_INET; 03937 if (gw->defaddr.sin_addr.s_addr && !ntohs(gw->defaddr.sin_port)) 03938 gw->defaddr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03939 if (gw->addr.sin_addr.s_addr && !ntohs(gw->addr.sin_port)) 03940 gw->addr.sin_port = htons(DEFAULT_MGCP_GW_PORT); 03941 if (gw->addr.sin_addr.s_addr) 03942 if (ast_ouraddrfor(&gw->addr.sin_addr, &gw->ourip)) 03943 memcpy(&gw->ourip, &__ourip, sizeof(gw->ourip)); 03944 03945 return (gw_reload ? NULL : gw); 03946 }
static char* control2str | ( | int | ind | ) | [static] |
Definition at line 1355 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().
01355 { 01356 switch (ind) { 01357 case AST_CONTROL_HANGUP: 01358 return "Other end has hungup"; 01359 case AST_CONTROL_RING: 01360 return "Local ring"; 01361 case AST_CONTROL_RINGING: 01362 return "Remote end is ringing"; 01363 case AST_CONTROL_ANSWER: 01364 return "Remote end has answered"; 01365 case AST_CONTROL_BUSY: 01366 return "Remote end is busy"; 01367 case AST_CONTROL_TAKEOFFHOOK: 01368 return "Make it go off hook"; 01369 case AST_CONTROL_OFFHOOK: 01370 return "Line is off hook"; 01371 case AST_CONTROL_CONGESTION: 01372 return "Congestion (circuits busy)"; 01373 case AST_CONTROL_FLASH: 01374 return "Flash hook"; 01375 case AST_CONTROL_WINK: 01376 return "Wink"; 01377 case AST_CONTROL_OPTION: 01378 return "Set a low-level option"; 01379 case AST_CONTROL_RADIO_KEY: 01380 return "Key Radio"; 01381 case AST_CONTROL_RADIO_UNKEY: 01382 return "Un-Key Radio"; 01383 } 01384 return "UNKNOWN"; 01385 }
static void destroy_endpoint | ( | struct mgcp_endpoint * | e | ) | [static] |
Definition at line 3981 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().
03982 { 03983 struct mgcp_subchannel *sub = e->sub->next, *s; 03984 int i; 03985 03986 for (i = 0; i < MAX_SUBS; i++) { 03987 ast_mutex_lock(&sub->lock); 03988 if (!ast_strlen_zero(sub->cxident)) { 03989 transmit_connection_del(sub); 03990 } 03991 if (sub->rtp) { 03992 ast_rtp_destroy(sub->rtp); 03993 sub->rtp = NULL; 03994 } 03995 memset(sub->magic, 0, sizeof(sub->magic)); 03996 mgcp_queue_hangup(sub); 03997 dump_cmd_queues(NULL, sub); 03998 ast_mutex_unlock(&sub->lock); 03999 sub = sub->next; 04000 } 04001 04002 if (e->dsp) { 04003 ast_dsp_free(e->dsp); 04004 } 04005 04006 dump_queue(e->parent, e); 04007 dump_cmd_queues(e, NULL); 04008 04009 sub = e->sub; 04010 for (i = 0; (i < MAX_SUBS) && sub; i++) { 04011 s = sub; 04012 sub = sub->next; 04013 ast_mutex_destroy(&s->lock); 04014 ast_mutex_destroy(&s->cx_queue_lock); 04015 free(s); 04016 } 04017 ast_mutex_destroy(&e->lock); 04018 ast_mutex_destroy(&e->rqnt_queue_lock); 04019 ast_mutex_destroy(&e->cmd_queue_lock); 04020 free(e); 04021 }
static void destroy_gateway | ( | struct mgcp_gateway * | g | ) | [static] |
Definition at line 4023 of file chan_mgcp.c.
References ast_free_ha(), dump_queue(), free, and mgcp_gateway::ha.
Referenced by prune_gateways().
04024 { 04025 if (g->ha) 04026 ast_free_ha(g->ha); 04027 04028 dump_queue(g, NULL); 04029 04030 free (g); 04031 }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 3399 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.
03400 { 03401 int res; 03402 int reloading; 03403 /*struct mgcp_gateway *g;*/ 03404 /*struct mgcp_endpoint *e;*/ 03405 /*time_t thispass = 0, lastpass = 0;*/ 03406 03407 /* Add an I/O event to our UDP socket */ 03408 if (mgcpsock > -1) 03409 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03410 03411 /* This thread monitors all the frame relay interfaces which are not yet in use 03412 (and thus do not have a separate thread) indefinitely */ 03413 /* From here on out, we die whenever asked */ 03414 for(;;) { 03415 /* Check for a reload request */ 03416 ast_mutex_lock(&mgcp_reload_lock); 03417 reloading = mgcp_reloading; 03418 mgcp_reloading = 0; 03419 ast_mutex_unlock(&mgcp_reload_lock); 03420 if (reloading) { 03421 if (option_verbose > 0) 03422 ast_verbose(VERBOSE_PREFIX_1 "Reloading MGCP\n"); 03423 mgcp_do_reload(); 03424 /* Add an I/O event to our UDP socket */ 03425 if (mgcpsock > -1) 03426 mgcpsock_read_id = ast_io_add(io, mgcpsock, mgcpsock_read, AST_IO_IN, NULL); 03427 } 03428 03429 /* Check for interfaces needing to be killed */ 03430 /* Don't let anybody kill us right away. Nobody should lock the interface list 03431 and wait for the monitor list, but the other way around is okay. */ 03432 ast_mutex_lock(&monlock); 03433 /* Lock the network interface */ 03434 ast_mutex_lock(&netlock); 03435 03436 #if 0 03437 /* XXX THIS IS COMPLETELY HOSED */ 03438 /* The gateway goes into a state of panic */ 03439 /* If the vmwi indicator is sent while it is reseting interfaces */ 03440 lastpass = thispass; 03441 thispass = time(NULL); 03442 g = gateways; 03443 while(g) { 03444 if (thispass != lastpass) { 03445 e = g->endpoints; 03446 while(e) { 03447 if (e->type == TYPE_LINE) { 03448 res = has_voicemail(e); 03449 if ((e->msgstate != res) && (e->hookstate == MGCP_ONHOOK) && (!e->rtp)){ 03450 if (res) { 03451 transmit_notify_request(e, "L/vmwi(+)"); 03452 } else { 03453 transmit_notify_request(e, "L/vmwi(-)"); 03454 } 03455 e->msgstate = res; 03456 e->onhooktime = thispass; 03457 } 03458 } 03459 e = e->next; 03460 } 03461 } 03462 g = g->next; 03463 } 03464 #endif 03465 /* Okay, now that we know what to do, release the network lock */ 03466 ast_mutex_unlock(&netlock); 03467 /* And from now on, we're okay to be killed, so release the monitor lock as well */ 03468 ast_mutex_unlock(&monlock); 03469 pthread_testcancel(); 03470 /* Wait for sched or io */ 03471 res = ast_sched_wait(sched); 03472 /* copied from chan_sip.c */ 03473 if ((res < 0) || (res > 1000)) 03474 res = 1000; 03475 res = ast_io_wait(io, res); 03476 ast_mutex_lock(&monlock); 03477 if (res >= 0) 03478 ast_sched_runq(sched); 03479 ast_mutex_unlock(&monlock); 03480 } 03481 /* Never reached */ 03482 return NULL; 03483 }
static void dump_cmd_queues | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub | |||
) | [static] |
dump_cmd_queues: (SC:) cleanup pending commands
Definition at line 2349 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().
02350 { 02351 struct mgcp_request *t, *q; 02352 02353 if (p) { 02354 ast_mutex_lock(&p->rqnt_queue_lock); 02355 for (q = p->rqnt_queue; q; t = q->next, free(q), q=t); 02356 p->rqnt_queue = NULL; 02357 ast_mutex_unlock(&p->rqnt_queue_lock); 02358 02359 ast_mutex_lock(&p->cmd_queue_lock); 02360 for (q = p->cmd_queue; q; t = q->next, free(q), q=t); 02361 p->cmd_queue = NULL; 02362 ast_mutex_unlock(&p->cmd_queue_lock); 02363 02364 ast_mutex_lock(&p->sub->cx_queue_lock); 02365 for (q = p->sub->cx_queue; q; t = q->next, free(q), q=t); 02366 p->sub->cx_queue = NULL; 02367 ast_mutex_unlock(&p->sub->cx_queue_lock); 02368 02369 ast_mutex_lock(&p->sub->next->cx_queue_lock); 02370 for (q = p->sub->next->cx_queue; q; t = q->next, free(q), q=t); 02371 p->sub->next->cx_queue = NULL; 02372 ast_mutex_unlock(&p->sub->next->cx_queue_lock); 02373 } else if (sub) { 02374 ast_mutex_lock(&sub->cx_queue_lock); 02375 for (q = sub->cx_queue; q; t = q->next, free(q), q=t); 02376 sub->cx_queue = NULL; 02377 ast_mutex_unlock(&sub->cx_queue_lock); 02378 } 02379 }
static void dump_queue | ( | struct mgcp_gateway * | gw, | |
struct mgcp_endpoint * | p | |||
) | [static] |
Definition at line 530 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().
00531 { 00532 struct mgcp_message *cur, *q = NULL, *w, *prev; 00533 00534 ast_mutex_lock(&gw->msgs_lock); 00535 prev = NULL, cur = gw->msgs; 00536 while (cur) { 00537 if (!p || cur->owner_ep == p) { 00538 if (prev) 00539 prev->next = cur->next; 00540 else 00541 gw->msgs = cur->next; 00542 00543 ast_log(LOG_NOTICE, "Removing message from %s transaction %u\n", 00544 gw->name, cur->seqno); 00545 00546 w = cur; 00547 cur = cur->next; 00548 if (q) { 00549 w->next = q; 00550 } else { 00551 w->next = NULL; 00552 } 00553 q = w; 00554 } else { 00555 prev = cur, cur=cur->next; 00556 } 00557 } 00558 ast_mutex_unlock(&gw->msgs_lock); 00559 00560 while (q) { 00561 cur = q; 00562 q = q->next; 00563 free(cur); 00564 } 00565 }
static int find_and_retrans | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 3277 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().
03278 { 03279 int seqno=0; 03280 time_t now; 03281 struct mgcp_response *prev = NULL, *cur, *next, *answer=NULL; 03282 time(&now); 03283 if (sscanf(req->identifier, "%d", &seqno) != 1) 03284 seqno = 0; 03285 cur = sub->parent->parent->responses; 03286 while(cur) { 03287 next = cur->next; 03288 if (now - cur->whensent > RESPONSE_TIMEOUT) { 03289 /* Delete this entry */ 03290 if (prev) 03291 prev->next = next; 03292 else 03293 sub->parent->parent->responses = next; 03294 free(cur); 03295 } else { 03296 if (seqno == cur->seqno) 03297 answer = cur; 03298 prev = cur; 03299 } 03300 cur = next; 03301 } 03302 if (answer) { 03303 resend_response(sub, answer); 03304 return 1; 03305 } 03306 return 0; 03307 }
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 2383 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().
02385 { 02386 struct mgcp_request *prev, *req; 02387 02388 ast_mutex_lock(l); 02389 for (prev = NULL, req = *queue; req; prev = req, req = req->next) { 02390 if (req->trid == ident) { 02391 /* remove from queue */ 02392 if (!prev) 02393 *queue = req->next; 02394 else 02395 prev->next = req->next; 02396 02397 /* send next pending command */ 02398 if (*queue) { 02399 if (mgcpdebug) { 02400 ast_verbose("Posting Queued Request:\n%s to %s:%d\n", (*queue)->data, 02401 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 02402 } 02403 02404 mgcp_postrequest(p, sub, (*queue)->data, (*queue)->len, (*queue)->trid); 02405 } 02406 break; 02407 } 02408 } 02409 ast_mutex_unlock(l); 02410 return req; 02411 }
static struct mgcp_subchannel* find_subchannel_and_lock | ( | char * | name, | |
int | msgid, | |||
struct sockaddr_in * | sin | |||
) | [static, read] |
Definition at line 1586 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().
01587 { 01588 struct mgcp_endpoint *p = NULL; 01589 struct mgcp_subchannel *sub = NULL; 01590 struct mgcp_gateway *g; 01591 char tmp[256] = ""; 01592 char *at = NULL, *c; 01593 int found = 0; 01594 if (name) { 01595 ast_copy_string(tmp, name, sizeof(tmp)); 01596 at = strchr(tmp, '@'); 01597 if (!at) { 01598 ast_log(LOG_NOTICE, "Endpoint '%s' has no at sign!\n", name); 01599 return NULL; 01600 } 01601 *at++ = '\0'; 01602 } 01603 ast_mutex_lock(&gatelock); 01604 if (at && (at[0] == '[')) { 01605 at++; 01606 c = strrchr(at, ']'); 01607 if (c) 01608 *c = '\0'; 01609 } 01610 g = gateways; 01611 while(g) { 01612 if ((!name || !strcasecmp(g->name, at)) && 01613 (sin || g->addr.sin_addr.s_addr || g->defaddr.sin_addr.s_addr)) { 01614 /* Found the gateway. If it's dynamic, save it's address -- now for the endpoint */ 01615 if (sin && g->dynamic && name) { 01616 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01617 (g->addr.sin_port != sin->sin_port)) { 01618 memcpy(&g->addr, sin, sizeof(g->addr)); 01619 if (ast_ouraddrfor(&g->addr.sin_addr, &g->ourip)) 01620 memcpy(&g->ourip, &__ourip, sizeof(g->ourip)); 01621 if (option_verbose > 2) 01622 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)); 01623 } 01624 } 01625 /* not dynamic, check if the name matches */ 01626 else if (name) { 01627 if (strcasecmp(g->name, at)) { 01628 g = g->next; 01629 continue; 01630 } 01631 } 01632 /* not dynamic, no name, check if the addr matches */ 01633 else if (!name && sin) { 01634 if ((g->addr.sin_addr.s_addr != sin->sin_addr.s_addr) || 01635 (g->addr.sin_port != sin->sin_port)) { 01636 g = g->next; 01637 continue; 01638 } 01639 } else { 01640 g = g->next; 01641 continue; 01642 } 01643 /* SC */ 01644 p = g->endpoints; 01645 while(p) { 01646 if (option_debug) 01647 ast_log(LOG_DEBUG, "Searching on %s@%s for subchannel\n", 01648 p->name, g->name); 01649 if (msgid) { 01650 #if 0 /* new transport mech */ 01651 sub = p->sub; 01652 do { 01653 if (option_debug) 01654 ast_log(LOG_DEBUG, "Searching on %s@%s-%d for subchannel with lastout: %d\n", 01655 p->name, g->name, sub->id, msgid); 01656 if (sub->lastout == msgid) { 01657 if (option_debug) 01658 ast_log(LOG_DEBUG, "Found subchannel sub%d to handle request %d sub->lastout: %d\n", 01659 sub->id, msgid, sub->lastout); 01660 found = 1; 01661 break; 01662 } 01663 sub = sub->next; 01664 } while (sub != p->sub); 01665 if (found) { 01666 break; 01667 } 01668 #endif 01669 /* SC */ 01670 sub = p->sub; 01671 found = 1; 01672 /* SC */ 01673 break; 01674 } else if (name && !strcasecmp(p->name, tmp)) { 01675 ast_log(LOG_DEBUG, "Coundn't determine subchannel, assuming current master %s@%s-%d\n", 01676 p->name, g->name, p->sub->id); 01677 sub = p->sub; 01678 found = 1; 01679 break; 01680 } 01681 p = p->next; 01682 } 01683 if (sub && found) { 01684 ast_mutex_lock(&sub->lock); 01685 break; 01686 } 01687 } 01688 g = g->next; 01689 } 01690 ast_mutex_unlock(&gatelock); 01691 if (!sub) { 01692 if (name) { 01693 if (g) 01694 ast_log(LOG_NOTICE, "Endpoint '%s' not found on gateway '%s'\n", tmp, at); 01695 else 01696 ast_log(LOG_NOTICE, "Gateway '%s' (and thus its endpoint '%s') does not exist\n", at, tmp); 01697 } 01698 } 01699 return sub; 01700 }
static char* get_csv | ( | char * | c, | |
int * | len, | |||
char ** | next | |||
) | [static] |
get_csv: (SC:) get comma separated value
Definition at line 1565 of file chan_mgcp.c.
References s.
Referenced by handle_response().
01566 { 01567 char *s; 01568 01569 *next = NULL, *len = 0; 01570 if (!c) return NULL; 01571 01572 while (*c && (*c < 33 || *c == ',')) 01573 c++; 01574 01575 s = c; 01576 while (*c && (*c >= 33 && *c != ',')) 01577 c++, (*len)++; 01578 *next = c; 01579 01580 if (*len == 0) 01581 s = NULL, *next = NULL; 01582 01583 return s; 01584 }
static char* get_header | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1558 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().
01559 { 01560 int start = 0; 01561 return __get_header(req, name, &start); 01562 }
static char* get_sdp | ( | struct mgcp_request * | req, | |
char * | name | |||
) | [static] |
Definition at line 1510 of file chan_mgcp.c.
References get_sdp_by_line(), len, mgcp_request::line, and mgcp_request::lines.
Referenced by process_sdp().
01511 { 01512 int x; 01513 int len = strlen(name); 01514 char *r; 01515 01516 for (x=0; x<req->lines; x++) { 01517 r = get_sdp_by_line(req->line[x], name, len); 01518 if (r[0] != '\0') return r; 01519 } 01520 return ""; 01521 }
static char* get_sdp_by_line | ( | char * | line, | |
char * | name, | |||
int | nameLen | |||
) | [static] |
Definition at line 1500 of file chan_mgcp.c.
Referenced by get_sdp(), and get_sdp_iterate().
01501 { 01502 if (strncasecmp(line, name, nameLen) == 0 && line[nameLen] == '=') { 01503 char* r = line + nameLen + 1; 01504 while (*r && (*r < 33)) ++r; 01505 return r; 01506 } 01507 return ""; 01508 }
static char* get_sdp_iterate | ( | int * | iterator, | |
struct mgcp_request * | req, | |||
char * | name | |||
) | [static] |
Definition at line 1528 of file chan_mgcp.c.
References get_sdp_by_line(), len, and mgcp_request::line.
Referenced by get_sdp(), and process_sdp().
01529 { 01530 int len = strlen(name); 01531 char *r; 01532 while (*iterator < req->lines) { 01533 r = get_sdp_by_line(req->line[(*iterator)++], name, len); 01534 if (r[0] != '\0') return r; 01535 } 01536 return ""; 01537 }
static void handle_hd_hf | ( | struct mgcp_subchannel * | sub, | |
char * | ev | |||
) | [static] |
Definition at line 2928 of file chan_mgcp.c.
References ast_bridged_channel(), AST_CONTROL_ANSWER, AST_CONTROL_UNHOLD, ast_hangup(), ast_log(), ast_pthread_create, ast_queue_control(), AST_STATE_DOWN, AST_STATE_RING, mgcp_subchannel::cxmode, errno, has_voicemail(), mgcp_endpoint::hookstate, mgcp_endpoint::immediate, LOG_WARNING, MGCP_CX_SENDRECV, mgcp_new(), MGCP_OFFHOOK, mgcp_queue_control(), mgcp_ss(), mgcp_gateway::name, mgcp_endpoint::name, mgcp_subchannel::outgoing, mgcp_subchannel::owner, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), t, transmit_modify_request(), and transmit_notify_request().
Referenced by handle_request().
02929 { 02930 struct mgcp_endpoint *p = sub->parent; 02931 struct ast_channel *c; 02932 pthread_t t; 02933 pthread_attr_t attr; 02934 pthread_attr_init(&attr); 02935 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED); 02936 02937 /* Off hook / answer */ 02938 if (sub->outgoing) { 02939 /* Answered */ 02940 if (sub->owner) { 02941 if (ast_bridged_channel(sub->owner)) 02942 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 02943 sub->cxmode = MGCP_CX_SENDRECV; 02944 if (!sub->rtp) { 02945 start_rtp(sub); 02946 } else { 02947 transmit_modify_request(sub); 02948 } 02949 /*transmit_notify_request(sub, "aw");*/ 02950 transmit_notify_request(sub, ""); 02951 mgcp_queue_control(sub, AST_CONTROL_ANSWER); 02952 } 02953 } else { 02954 /* Start switch */ 02955 /*sub->cxmode = MGCP_CX_SENDRECV;*/ 02956 if (!sub->owner) { 02957 if (!sub->rtp) { 02958 start_rtp(sub); 02959 } else { 02960 transmit_modify_request(sub); 02961 } 02962 if (p->immediate) { 02963 /* The channel is immediately up. Start right away */ 02964 #ifdef DLINK_BUGGY_FIRMWARE 02965 transmit_notify_request(sub, "rt"); 02966 #else 02967 transmit_notify_request(sub, "G/rt"); 02968 #endif 02969 c = mgcp_new(sub, AST_STATE_RING); 02970 if (!c) { 02971 ast_log(LOG_WARNING, "Unable to start PBX on channel %s@%s\n", p->name, p->parent->name); 02972 transmit_notify_request(sub, "G/cg"); 02973 ast_hangup(c); 02974 } 02975 } else { 02976 if (has_voicemail(p)) { 02977 transmit_notify_request(sub, "L/sl"); 02978 } else { 02979 transmit_notify_request(sub, "L/dl"); 02980 } 02981 c = mgcp_new(sub, AST_STATE_DOWN); 02982 if (c) { 02983 if (ast_pthread_create(&t, &attr, mgcp_ss, c)) { 02984 ast_log(LOG_WARNING, "Unable to create switch thread: %s\n", strerror(errno)); 02985 ast_hangup(c); 02986 } 02987 } else { 02988 ast_log(LOG_WARNING, "Unable to create channel for %s@%s\n", p->name, p->parent->name); 02989 } 02990 } 02991 } else { 02992 if (p->hookstate == MGCP_OFFHOOK) { 02993 ast_log(LOG_WARNING, "Off hook, but already have owner on %s@%s\n", p->name, p->parent->name); 02994 } else { 02995 ast_log(LOG_WARNING, "On hook, but already have owner on %s@%s\n", p->name, p->parent->name); 02996 ast_log(LOG_WARNING, "If we're onhook why are we here trying to handle a hd or hf?\n"); 02997 } 02998 if (ast_bridged_channel(sub->owner)) 02999 ast_queue_control(sub->owner, AST_CONTROL_UNHOLD); 03000 sub->cxmode = MGCP_CX_SENDRECV; 03001 if (!sub->rtp) { 03002 start_rtp(sub); 03003 } else { 03004 transmit_modify_request(sub); 03005 } 03006 /*transmit_notify_request(sub, "aw");*/ 03007 transmit_notify_request(sub, ""); 03008 /*ast_queue_control(sub->owner, AST_CONTROL_ANSWER);*/ 03009 } 03010 } 03011 pthread_attr_destroy(&attr); 03012 }
static int handle_request | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req, | |||
struct sockaddr_in * | sin | |||
) | [static] |
Definition at line 3014 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().
03015 { 03016 char *ev, *s; 03017 struct ast_frame f = { 0, }; 03018 struct mgcp_endpoint *p = sub->parent; 03019 struct mgcp_gateway *g = NULL; 03020 int res; 03021 03022 if (mgcpdebug) { 03023 ast_verbose("Handling request '%s' on %s@%s\n", req->verb, p->name, p->parent->name); 03024 } 03025 /* Clear out potential response */ 03026 if (!strcasecmp(req->verb, "RSIP")) { 03027 /* Test if this RSIP request is just a keepalive */ 03028 if(!strcasecmp( get_header(req, "RM"), "X-keepalive")) { 03029 if (option_verbose > 2) 03030 ast_verbose(VERBOSE_PREFIX_3 "Received keepalive request from %s@%s\n", p->name, p->parent->name); 03031 transmit_response(sub, "200", req, "OK"); 03032 } else { 03033 dump_queue(p->parent, p); 03034 dump_cmd_queues(p, NULL); 03035 03036 if (option_verbose > 2 && (strcmp(p->name, p->parent->wcardep) != 0)) { 03037 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", p->name, p->parent->name); 03038 } 03039 /* For RSIP on wildcard we reset all endpoints */ 03040 if (!strcmp(p->name, p->parent->wcardep)) { 03041 /* Reset all endpoints */ 03042 struct mgcp_endpoint *tmp_ep; 03043 03044 g = p->parent; 03045 tmp_ep = g->endpoints; 03046 while (tmp_ep) { 03047 /*if ((strcmp(tmp_ep->name, "*") != 0) && (strcmp(tmp_ep->name, "aaln/" "*") != 0)) {*/ 03048 if (strcmp(tmp_ep->name, g->wcardep) != 0) { 03049 struct mgcp_subchannel *tmp_sub, *first_sub; 03050 if (option_verbose > 2) { 03051 ast_verbose(VERBOSE_PREFIX_3 "Resetting interface %s@%s\n", tmp_ep->name, p->parent->name); 03052 } 03053 03054 first_sub = tmp_ep->sub; 03055 tmp_sub = tmp_ep->sub; 03056 while (tmp_sub) { 03057 mgcp_queue_hangup(tmp_sub); 03058 tmp_sub = tmp_sub->next; 03059 if (tmp_sub == first_sub) 03060 break; 03061 } 03062 } 03063 tmp_ep = tmp_ep->next; 03064 } 03065 } else if (sub->owner) { 03066 mgcp_queue_hangup(sub); 03067 } 03068 transmit_response(sub, "200", req, "OK"); 03069 /* We dont send NTFY or AUEP to wildcard ep */ 03070 if (strcmp(p->name, p->parent->wcardep) != 0) { 03071 transmit_notify_request(sub, ""); 03072 /* Audit endpoint. 03073 Idea is to prevent lost lines due to race conditions 03074 */ 03075 transmit_audit_endpoint(p); 03076 } 03077 } 03078 } else if (!strcasecmp(req->verb, "NTFY")) { 03079 /* Acknowledge and be sure we keep looking for the same things */ 03080 transmit_response(sub, "200", req, "OK"); 03081 /* Notified of an event */ 03082 ev = get_header(req, "O"); 03083 s = strchr(ev, '/'); 03084 if (s) ev = s + 1; 03085 ast_log(LOG_DEBUG, "Endpoint '%s@%s-%d' observed '%s'\n", p->name, p->parent->name, sub->id, ev); 03086 /* Keep looking for events unless this was a hangup */ 03087 if (strcasecmp(ev, "hu") && strcasecmp(ev, "hd") && strcasecmp(ev, "ping")) { 03088 transmit_notify_request(sub, p->curtone); 03089 } 03090 if (!strcasecmp(ev, "hd")) { 03091 p->hookstate = MGCP_OFFHOOK; 03092 sub->cxmode = MGCP_CX_SENDRECV; 03093 handle_hd_hf(sub, ev); 03094 } else if (!strcasecmp(ev, "hf")) { 03095 /* We can assume we are offhook if we received a hookflash */ 03096 /* First let's just do call wait and ignore threeway */ 03097 /* We're currently in charge */ 03098 if (p->hookstate != MGCP_OFFHOOK) { 03099 /* Cisco c7940 sends hf even if the phone is onhook */ 03100 /* Thanks to point on IRC for pointing this out */ 03101 return -1; 03102 } 03103 /* do not let * conference two down channels */ 03104 if (sub->owner && sub->owner->_state == AST_STATE_DOWN && !sub->next->owner) 03105 return -1; 03106 03107 if (p->callwaiting || p->transfer || p->threewaycalling) { 03108 if (option_verbose > 2) { 03109 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); 03110 } 03111 p->sub = p->sub->next; 03112 03113 /* transfer control to our next subchannel */ 03114 if (!sub->next->owner) { 03115 /* plave the first call on hold and start up a new call */ 03116 sub->cxmode = MGCP_CX_MUTE; 03117 if (option_verbose > 2) { 03118 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03119 } 03120 transmit_modify_request(sub); 03121 if (sub->owner && ast_bridged_channel(sub->owner)) 03122 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03123 sub->next->cxmode = MGCP_CX_RECVONLY; 03124 handle_hd_hf(sub->next, ev); 03125 } else if (sub->owner && sub->next->owner) { 03126 /* We've got two active calls lets decide whether or not to conference or just flip flop */ 03127 if ((!sub->outgoing) && (!sub->next->outgoing)) { 03128 /* We made both calls lets conferenct */ 03129 if (option_verbose > 2) { 03130 ast_verbose(VERBOSE_PREFIX_3 "MGCP Conferencing %d and %d on %s@%s\n", 03131 sub->id, sub->next->id, p->name, p->parent->name); 03132 } 03133 sub->cxmode = MGCP_CX_CONF; 03134 sub->next->cxmode = MGCP_CX_CONF; 03135 if (ast_bridged_channel(sub->next->owner)) 03136 ast_queue_control(sub->next->owner, AST_CONTROL_UNHOLD); 03137 transmit_modify_request(sub); 03138 transmit_modify_request(sub->next); 03139 } else { 03140 /* Let's flipflop between calls */ 03141 /* XXX Need to check for state up ??? */ 03142 /* XXX Need a way to indicate the current call, or maybe the call that's waiting */ 03143 if (option_verbose > 2) { 03144 ast_verbose(VERBOSE_PREFIX_3 "We didn't make one of the calls FLIPFLOP %d and %d on %s@%s\n", 03145 sub->id, sub->next->id, p->name, p->parent->name); 03146 } 03147 sub->cxmode = MGCP_CX_MUTE; 03148 if (option_verbose > 2) { 03149 ast_verbose(VERBOSE_PREFIX_3 "MGCP Muting %d on %s@%s\n", sub->id, p->name, p->parent->name); 03150 } 03151 transmit_modify_request(sub); 03152 if (ast_bridged_channel(sub->owner)) 03153 ast_queue_control(sub->owner, AST_CONTROL_HOLD); 03154 03155 if (ast_bridged_channel(sub->next->owner)) 03156 ast_queue_control(sub->next->owner, AST_CONTROL_HOLD); 03157 03158 handle_hd_hf(sub->next, ev); 03159 } 03160 } else { 03161 /* We've most likely lost one of our calls find an active call and bring it up */ 03162 if (sub->owner) { 03163 p->sub = sub; 03164 } else if (sub->next->owner) { 03165 p->sub = sub->next; 03166 } else { 03167 /* We seem to have lost both our calls */ 03168 /* XXX - What do we do now? */ 03169 return -1; 03170 } 03171 if (ast_bridged_channel(p->sub->owner)) 03172 ast_queue_control(p->sub->owner, AST_CONTROL_UNHOLD); 03173 p->sub->cxmode = MGCP_CX_SENDRECV; 03174 transmit_modify_request(p->sub); 03175 } 03176 } else { 03177 ast_log(LOG_WARNING, "Callwaiting, call transfer or threeway calling not enabled on endpoint %s@%s\n", 03178 p->name, p->parent->name); 03179 } 03180 } else if (!strcasecmp(ev, "hu")) { 03181 p->hookstate = MGCP_ONHOOK; 03182 sub->cxmode = MGCP_CX_RECVONLY; 03183 ast_log(LOG_DEBUG, "MGCP %s@%s Went on hook\n", p->name, p->parent->name); 03184 /* Do we need to send MDCX before a DLCX ? 03185 if (sub->rtp) { 03186 transmit_modify_request(sub); 03187 } 03188 */ 03189 if (p->transfer && (sub->owner && sub->next->owner) && ((!sub->outgoing) || (!sub->next->outgoing))) { 03190 /* We're allowed to transfer, we have two avtive calls and */ 03191 /* we made at least one of the calls. Let's try and transfer */ 03192 ast_mutex_lock(&p->sub->next->lock); 03193 res = attempt_transfer(p); 03194 if (res < 0) { 03195 if (p->sub->next->owner) { 03196 sub->next->alreadygone = 1; 03197 mgcp_queue_hangup(sub->next); 03198 } 03199 } else if (res) { 03200 ast_log(LOG_WARNING, "Transfer attempt failed\n"); 03201 ast_mutex_unlock(&p->sub->next->lock); 03202 return -1; 03203 } 03204 ast_mutex_unlock(&p->sub->next->lock); 03205 } else { 03206 /* Hangup the current call */ 03207 /* If there is another active call, mgcp_hangup will ring the phone with the other call */ 03208 if (sub->owner) { 03209 sub->alreadygone = 1; 03210 mgcp_queue_hangup(sub); 03211 } else { 03212 /* verbose level check */ 03213 if (option_verbose > 2) { 03214 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s-%d) ast_channel already destroyed, resending DLCX.\n", 03215 p->name, p->parent->name, sub->id); 03216 } 03217 /* Instruct the other side to remove the connection since it apparently * 03218 * still thinks the channel is active. * 03219 * For Cisco IAD2421 /BAK/ */ 03220 transmit_connection_del(sub); 03221 } 03222 } 03223 if ((p->hookstate == MGCP_ONHOOK) && (!sub->rtp) && (!sub->next->rtp)) { 03224 p->hidecallerid = 0; 03225 if (p->hascallwaiting && !p->callwaiting) { 03226 if (option_verbose > 2) 03227 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on MGCP/%s@%s-%d\n", p->name, p->parent->name, sub->id); 03228 p->callwaiting = -1; 03229 } 03230 if (has_voicemail(p)) { 03231 if (option_verbose > 2) { 03232 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(+)\n", p->name, p->parent->name); 03233 } 03234 transmit_notify_request(sub, "L/vmwi(+)"); 03235 } else { 03236 if (option_verbose > 2) { 03237 ast_verbose(VERBOSE_PREFIX_3 "MGCP handle_request(%s@%s) set vmwi(-)\n", p->name, p->parent->name); 03238 } 03239 transmit_notify_request(sub, "L/vmwi(-)"); 03240 } 03241 } 03242 } else if ((strlen(ev) == 1) && 03243 (((ev[0] >= '0') && (ev[0] <= '9')) || 03244 ((ev[0] >= 'A') && (ev[0] <= 'D')) || 03245 (ev[0] == '*') || (ev[0] == '#'))) { 03246 if (sub && sub->owner && (sub->owner->_state >= AST_STATE_UP)) { 03247 f.frametype = AST_FRAME_DTMF; 03248 f.subclass = ev[0]; 03249 f.src = "mgcp"; 03250 /* XXX MUST queue this frame to all subs in threeway call if threeway call is active */ 03251 mgcp_queue_frame(sub, &f); 03252 ast_mutex_lock(&sub->next->lock); 03253 if (sub->next->owner) 03254 mgcp_queue_frame(sub->next, &f); 03255 ast_mutex_unlock(&sub->next->lock); 03256 if (strstr(p->curtone, "wt") && (ev[0] == 'A')) { 03257 memset(p->curtone, 0, sizeof(p->curtone)); 03258 } 03259 } else { 03260 p->dtmf_buf[strlen(p->dtmf_buf)] = ev[0]; 03261 p->dtmf_buf[strlen(p->dtmf_buf)] = '\0'; 03262 } 03263 } else if (!strcasecmp(ev, "T")) { 03264 /* Digit timeout -- unimportant */ 03265 } else if (!strcasecmp(ev, "ping")) { 03266 /* ping -- unimportant */ 03267 } else { 03268 ast_log(LOG_NOTICE, "Received unknown event '%s' from %s@%s\n", ev, p->name, p->parent->name); 03269 } 03270 } else { 03271 ast_log(LOG_WARNING, "Unknown verb '%s' received from %s\n", req->verb, ast_inet_ntoa(sin->sin_addr)); 03272 transmit_response(sub, "510", req, "Unknown verb"); 03273 } 03274 return 0; 03275 }
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 2414 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().
02416 { 02417 char *c; 02418 struct mgcp_request *req; 02419 struct mgcp_gateway *gw = p->parent; 02420 02421 if (result < 200) { 02422 /* provisional response */ 02423 return; 02424 } 02425 02426 if (p->slowsequence) 02427 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02428 else if (sub) 02429 req = find_command(p, sub, &sub->cx_queue, &sub->cx_queue_lock, ident); 02430 else if (!(req = find_command(p, sub, &p->rqnt_queue, &p->rqnt_queue_lock, ident))) 02431 req = find_command(p, sub, &p->cmd_queue, &p->cmd_queue_lock, ident); 02432 02433 if (!req) { 02434 if (option_verbose > 2) { 02435 ast_verbose(VERBOSE_PREFIX_3 "No command found on [%s] for transaction %d. Ignoring...\n", 02436 gw->name, ident); 02437 } 02438 return; 02439 } 02440 02441 if (p && (result >= 400) && (result <= 599)) { 02442 switch (result) { 02443 case 401: 02444 p->hookstate = MGCP_OFFHOOK; 02445 break; 02446 case 402: 02447 p->hookstate = MGCP_ONHOOK; 02448 break; 02449 case 406: 02450 ast_log(LOG_NOTICE, "Transaction %d timed out\n", ident); 02451 break; 02452 case 407: 02453 ast_log(LOG_NOTICE, "Transaction %d aborted\n", ident); 02454 break; 02455 } 02456 if (sub) { 02457 if (sub->owner) { 02458 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02459 result, p->name, p->parent->name, sub ? sub->id:-1); 02460 mgcp_queue_hangup(sub); 02461 } 02462 } else { 02463 if (p->sub->next->owner) { 02464 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02465 result, p->name, p->parent->name, sub ? sub->id:-1); 02466 mgcp_queue_hangup(p->sub); 02467 } 02468 02469 if (p->sub->owner) { 02470 ast_log(LOG_NOTICE, "Terminating on result %d from %s@%s-%d\n", 02471 result, p->name, p->parent->name, sub ? sub->id:-1); 02472 mgcp_queue_hangup(p->sub); 02473 } 02474 02475 dump_cmd_queues(p, NULL); 02476 } 02477 } 02478 02479 if (resp) { 02480 if (req->cmd == MGCP_CMD_CRCX) { 02481 if ((c = get_header(resp, "I"))) { 02482 if (!ast_strlen_zero(c) && sub) { 02483 /* if we are hanging up do not process this conn. */ 02484 if (sub->owner) { 02485 if (!ast_strlen_zero(sub->cxident)) { 02486 if (strcasecmp(c, sub->cxident)) { 02487 ast_log(LOG_WARNING, "Subchannel already has a cxident. sub->cxident: %s requested %s\n", sub->cxident, c); 02488 } 02489 } 02490 ast_copy_string(sub->cxident, c, sizeof(sub->cxident)); 02491 if (sub->tmpdest.sin_addr.s_addr) { 02492 transmit_modify_with_sdp(sub, NULL, 0); 02493 } 02494 } else { 02495 /* XXX delete this one 02496 callid and conn id may already be lost. 02497 so the following del conn may have a side effect of 02498 cleaning up the next subchannel */ 02499 transmit_connection_del(sub); 02500 } 02501 } 02502 } 02503 } 02504 02505 if (req->cmd == MGCP_CMD_AUEP) { 02506 /* check stale connection ids */ 02507 if ((c = get_header(resp, "I"))) { 02508 char *v, *n; 02509 int len; 02510 while ((v = get_csv(c, &len, &n))) { 02511 if (len) { 02512 if (strncasecmp(v, p->sub->cxident, len) && 02513 strncasecmp(v, p->sub->next->cxident, len)) { 02514 /* connection id not found. delete it */ 02515 char cxident[80] = ""; 02516 02517 if (len > (sizeof(cxident) - 1)) 02518 len = sizeof(cxident) - 1; 02519 ast_copy_string(cxident, v, len); 02520 if (option_verbose > 2) { 02521 ast_verbose(VERBOSE_PREFIX_3 "Non existing connection id %s on %s@%s \n", 02522 cxident, p->name, gw->name); 02523 } 02524 transmit_connection_del_w_params(p, NULL, cxident); 02525 } 02526 } 02527 c = n; 02528 } 02529 } 02530 02531 /* Try to determine the hookstate returned from an audit endpoint command */ 02532 if ((c = get_header(resp, "ES"))) { 02533 if (!ast_strlen_zero(c)) { 02534 if (strstr(c, "hu")) { 02535 if (p->hookstate != MGCP_ONHOOK) { 02536 /* XXX cleanup if we think we are offhook XXX */ 02537 if ((p->sub->owner || p->sub->next->owner ) && 02538 p->hookstate == MGCP_OFFHOOK) 02539 mgcp_queue_hangup(sub); 02540 p->hookstate = MGCP_ONHOOK; 02541 02542 /* update the requested events according to the new hookstate */ 02543 transmit_notify_request(p->sub, ""); 02544 02545 /* verbose level check */ 02546 if (option_verbose > 2) { 02547 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to ONHOOK\n", p->name, gw->name); 02548 } 02549 } 02550 } else if (strstr(c, "hd")) { 02551 if (p->hookstate != MGCP_OFFHOOK) { 02552 p->hookstate = MGCP_OFFHOOK; 02553 02554 /* update the requested events according to the new hookstate */ 02555 transmit_notify_request(p->sub, ""); 02556 02557 /* verbose level check */ 02558 if (option_verbose > 2) { 02559 ast_verbose(VERBOSE_PREFIX_3 "Setting hookstate of %s@%s to OFFHOOK\n", p->name, gw->name); 02560 } 02561 } 02562 } 02563 } 02564 } 02565 } 02566 02567 if (resp && resp->lines) { 02568 /* do not process sdp if we are hanging up. this may be a late response */ 02569 if (sub && sub->owner) { 02570 if (!sub->rtp) 02571 start_rtp(sub); 02572 if (sub->rtp) 02573 process_sdp(sub, resp); 02574 } 02575 } 02576 } 02577 02578 free(req); 02579 }
static int has_voicemail | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 457 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().
00458 { 00459 return ast_app_has_voicemail(p->mailbox, NULL); 00460 }
static int init_req | ( | struct mgcp_endpoint * | p, | |
struct mgcp_request * | req, | |||
char * | verb | |||
) | [static] |
Definition at line 1951 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().
01952 { 01953 /* Initialize a response */ 01954 if (req->headers || req->len) { 01955 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01956 return -1; 01957 } 01958 req->header[req->headers] = req->data + req->len; 01959 /* check if we need brackets around the gw name */ 01960 if (p->parent->isnamedottedip) 01961 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); 01962 else 01963 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); 01964 req->len += strlen(req->header[req->headers]); 01965 if (req->headers < MGCP_MAX_HEADERS) 01966 req->headers++; 01967 else 01968 ast_log(LOG_WARNING, "Out of header space\n"); 01969 return 0; 01970 }
static int init_resp | ( | struct mgcp_request * | req, | |
char * | resp, | |||
struct mgcp_request * | orig, | |||
char * | resprest | |||
) | [static] |
Definition at line 1934 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().
01935 { 01936 /* Initialize a response */ 01937 if (req->headers || req->len) { 01938 ast_log(LOG_WARNING, "Request already initialized?!?\n"); 01939 return -1; 01940 } 01941 req->header[req->headers] = req->data + req->len; 01942 snprintf(req->header[req->headers], sizeof(req->data) - req->len, "%s %s %s\r\n", resp, orig->identifier, resprest); 01943 req->len += strlen(req->header[req->headers]); 01944 if (req->headers < MGCP_MAX_HEADERS) 01945 req->headers++; 01946 else 01947 ast_log(LOG_WARNING, "Out of header space\n"); 01948 return 0; 01949 }
static int load_module | ( | void | ) | [static] |
load_module: PBX load module - initialization ---
Definition at line 4258 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().
04259 { 04260 if (!(sched = sched_context_create())) { 04261 ast_log(LOG_WARNING, "Unable to create schedule context\n"); 04262 return AST_MODULE_LOAD_FAILURE; 04263 } 04264 04265 if (!(io = io_context_create())) { 04266 ast_log(LOG_WARNING, "Unable to create I/O context\n"); 04267 sched_context_destroy(sched); 04268 return AST_MODULE_LOAD_FAILURE; 04269 } 04270 04271 if (reload_config()) 04272 return AST_MODULE_LOAD_DECLINE; 04273 04274 /* Make sure we can register our mgcp channel type */ 04275 if (ast_channel_register(&mgcp_tech)) { 04276 ast_log(LOG_ERROR, "Unable to register channel class 'MGCP'\n"); 04277 io_context_destroy(io); 04278 sched_context_destroy(sched); 04279 return AST_MODULE_LOAD_FAILURE; 04280 } 04281 04282 ast_rtp_proto_register(&mgcp_rtp); 04283 ast_cli_register_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04284 04285 /* And start the monitor for the first time */ 04286 restart_monitor(); 04287 04288 return AST_MODULE_LOAD_SUCCESS; 04289 }
static int mgcp_answer | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 1161 of file chan_mgcp.c.
References ast_channel::_state, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_setstate(), AST_STATE_UP, ast_verbose(), mgcp_subchannel::cxmode, mgcp_subchannel::id, mgcp_subchannel::lock, LOG_DEBUG, MGCP_CX_SENDRECV, mgcp_gateway::name, mgcp_endpoint::name, option_debug, option_verbose, mgcp_endpoint::parent, mgcp_subchannel::parent, mgcp_subchannel::rtp, start_rtp(), ast_channel::tech_pvt, transmit_modify_request(), transmit_notify_request(), and VERBOSE_PREFIX_3.
01162 { 01163 int res = 0; 01164 struct mgcp_subchannel *sub = ast->tech_pvt; 01165 struct mgcp_endpoint *p = sub->parent; 01166 01167 ast_mutex_lock(&sub->lock); 01168 sub->cxmode = MGCP_CX_SENDRECV; 01169 if (!sub->rtp) { 01170 start_rtp(sub); 01171 } else { 01172 transmit_modify_request(sub); 01173 } 01174 /* verbose level check */ 01175 if (option_verbose > 2) { 01176 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_answer(%s) on %s@%s-%d\n", 01177 ast->name, p->name, p->parent->name, sub->id); 01178 } 01179 if (ast->_state != AST_STATE_UP) { 01180 ast_setstate(ast, AST_STATE_UP); 01181 if (option_debug) 01182 ast_log(LOG_DEBUG, "mgcp_answer(%s)\n", ast->name); 01183 transmit_notify_request(sub, ""); 01184 transmit_modify_request(sub); 01185 } 01186 ast_mutex_unlock(&sub->lock); 01187 return res; 01188 }
static int mgcp_audit_endpoint | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1068 of file chan_mgcp.c.
References ast_cli(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_gateway::endpoints, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_gateway::next, mgcp_endpoint::next, RESULT_SHOWUSAGE, RESULT_SUCCESS, and transmit_audit_endpoint().
01069 { 01070 struct mgcp_gateway *g; 01071 struct mgcp_endpoint *e; 01072 int found = 0; 01073 char *ename,*gname, *c; 01074 01075 if (!mgcpdebug) { 01076 return RESULT_SHOWUSAGE; 01077 } 01078 if (argc != 4) 01079 return RESULT_SHOWUSAGE; 01080 /* split the name into parts by null */ 01081 ename = argv[3]; 01082 gname = ename; 01083 while (*gname) { 01084 if (*gname == '@') { 01085 *gname = 0; 01086 gname++; 01087 break; 01088 } 01089 gname++; 01090 } 01091 if (gname[0] == '[') 01092 gname++; 01093 if ((c = strrchr(gname, ']'))) 01094 *c = '\0'; 01095 ast_mutex_lock(&gatelock); 01096 g = gateways; 01097 while(g) { 01098 if (!strcasecmp(g->name, gname)) { 01099 e = g->endpoints; 01100 while(e) { 01101 if (!strcasecmp(e->name, ename)) { 01102 found = 1; 01103 transmit_audit_endpoint(e); 01104 break; 01105 } 01106 e = e->next; 01107 } 01108 if (found) { 01109 break; 01110 } 01111 } 01112 g = g->next; 01113 } 01114 if (!found) { 01115 ast_cli(fd, " << Could not find endpoint >> "); 01116 } 01117 ast_mutex_unlock(&gatelock); 01118 return RESULT_SUCCESS; 01119 }
static int mgcp_call | ( | struct ast_channel * | ast, | |
char * | dest, | |||
int | timeout | |||
) | [static] |
Definition at line 823 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.
00824 { 00825 int res; 00826 struct mgcp_endpoint *p; 00827 struct mgcp_subchannel *sub; 00828 char tone[50] = ""; 00829 const char *distinctive_ring = NULL; 00830 struct varshead *headp; 00831 struct ast_var_t *current; 00832 00833 if (mgcpdebug) { 00834 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_call(%s)\n", ast->name); 00835 } 00836 sub = ast->tech_pvt; 00837 p = sub->parent; 00838 headp = &ast->varshead; 00839 AST_LIST_TRAVERSE(headp,current,entries) { 00840 /* Check whether there is an ALERT_INFO variable */ 00841 if (strcasecmp(ast_var_name(current),"ALERT_INFO") == 0) { 00842 distinctive_ring = ast_var_value(current); 00843 } 00844 } 00845 00846 ast_mutex_lock(&sub->lock); 00847 switch (p->hookstate) { 00848 case MGCP_OFFHOOK: 00849 if (!ast_strlen_zero(distinctive_ring)) { 00850 snprintf(tone, sizeof(tone), "L/wt%s", distinctive_ring); 00851 if (mgcpdebug) { 00852 ast_verbose(VERBOSE_PREFIX_3 "MGCP distinctive callwait %s\n", tone); 00853 } 00854 } else { 00855 snprintf(tone, sizeof(tone), "L/wt"); 00856 if (mgcpdebug) { 00857 ast_verbose(VERBOSE_PREFIX_3 "MGCP normal callwait %s\n", tone); 00858 } 00859 } 00860 break; 00861 case MGCP_ONHOOK: 00862 default: 00863 if (!ast_strlen_zero(distinctive_ring)) { 00864 snprintf(tone, sizeof(tone), "L/r%s", distinctive_ring); 00865 if (mgcpdebug) { 00866 ast_verbose(VERBOSE_PREFIX_3 "MGCP distinctive ring %s\n", tone); 00867 } 00868 } else { 00869 snprintf(tone, sizeof(tone), "L/rg"); 00870 if (mgcpdebug) { 00871 ast_verbose(VERBOSE_PREFIX_3 "MGCP default ring\n"); 00872 } 00873 } 00874 break; 00875 } 00876 00877 if ((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) { 00878 ast_log(LOG_WARNING, "mgcp_call called on %s, neither down nor reserved\n", ast->name); 00879 ast_mutex_unlock(&sub->lock); 00880 return -1; 00881 } 00882 00883 res = 0; 00884 sub->outgoing = 1; 00885 sub->cxmode = MGCP_CX_RECVONLY; 00886 if (p->type == TYPE_LINE) { 00887 if (!sub->rtp) { 00888 start_rtp(sub); 00889 } else { 00890 transmit_modify_request(sub); 00891 } 00892 00893 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00894 /* try to prevent a callwait from disturbing the other connection */ 00895 sub->next->cxmode = MGCP_CX_RECVONLY; 00896 transmit_modify_request(sub->next); 00897 } 00898 00899 transmit_notify_request_with_callerid(sub, tone, ast->cid.cid_num, ast->cid.cid_name); 00900 ast_setstate(ast, AST_STATE_RINGING); 00901 00902 if (sub->next->owner && !ast_strlen_zero(sub->next->cxident) && !ast_strlen_zero(sub->next->callid)) { 00903 /* Put the connection back in sendrecv */ 00904 sub->next->cxmode = MGCP_CX_SENDRECV; 00905 transmit_modify_request(sub->next); 00906 } 00907 } else { 00908 ast_log(LOG_NOTICE, "Don't know how to dial on trunks yet\n"); 00909 res = -1; 00910 } 00911 ast_mutex_unlock(&sub->lock); 00912 ast_queue_control(ast, AST_CONTROL_RINGING); 00913 return res; 00914 }
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 1307 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.
01308 { 01309 struct mgcp_gateway *g; 01310 struct mgcp_endpoint *e = NULL; 01311 char *tmp, *endpt, *gw; 01312 int ret = AST_DEVICE_INVALID; 01313 01314 endpt = ast_strdupa(data); 01315 if ((tmp = strchr(endpt, '@'))) { 01316 *tmp++ = '\0'; 01317 gw = tmp; 01318 } else 01319 goto error; 01320 01321 ast_mutex_lock(&gatelock); 01322 g = gateways; 01323 while (g) { 01324 if (strcasecmp(g->name, gw) == 0) { 01325 e = g->endpoints; 01326 break; 01327 } 01328 g = g->next; 01329 } 01330 01331 if (!e) 01332 goto error; 01333 01334 while (e) { 01335 if (strcasecmp(e->name, endpt) == 0) 01336 break; 01337 e = e->next; 01338 } 01339 01340 if (!e) 01341 goto error; 01342 01343 /* 01344 * As long as the gateway/endpoint is valid, we'll 01345 * assume that the device is available and its state 01346 * can be tracked. 01347 */ 01348 ret = AST_DEVICE_UNKNOWN; 01349 01350 error: 01351 ast_mutex_unlock(&gatelock); 01352 return ret; 01353 }
static int mgcp_do_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1121 of file chan_mgcp.c.
References ast_cli(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01122 { 01123 if (argc != 3) 01124 return RESULT_SHOWUSAGE; 01125 mgcpdebug = 1; 01126 ast_cli(fd, "MGCP Debugging Enabled\n"); 01127 return RESULT_SUCCESS; 01128 }
static int mgcp_do_reload | ( | void | ) | [static] |
mgcp_do_reload: Reload module
Definition at line 4292 of file chan_mgcp.c.
References reload_config().
Referenced by do_monitor().
04293 { 04294 reload_config(); 04295 return 0; 04296 }
static int mgcp_fixup | ( | struct ast_channel * | oldchan, | |
struct ast_channel * | newchan | |||
) | [static] |
Definition at line 1261 of file chan_mgcp.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_subchannel::lock, LOG_NOTICE, LOG_WARNING, mgcp_subchannel::owner, and ast_channel::tech_pvt.
01262 { 01263 struct mgcp_subchannel *sub = newchan->tech_pvt; 01264 01265 ast_mutex_lock(&sub->lock); 01266 ast_log(LOG_NOTICE, "mgcp_fixup(%s, %s)\n", oldchan->name, newchan->name); 01267 if (sub->owner != oldchan) { 01268 ast_mutex_unlock(&sub->lock); 01269 ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, sub->owner); 01270 return -1; 01271 } 01272 sub->owner = newchan; 01273 ast_mutex_unlock(&sub->lock); 01274 return 0; 01275 }
static enum ast_rtp_get_result mgcp_get_rtp_peer | ( | struct ast_channel * | chan, | |
struct ast_rtp ** | rtp | |||
) | [static] |
Definition at line 3948 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.
03949 { 03950 struct mgcp_subchannel *sub = NULL; 03951 03952 if (!(sub = chan->tech_pvt) || !(sub->rtp)) 03953 return AST_RTP_GET_FAILED; 03954 03955 *rtp = sub->rtp; 03956 03957 if (sub->parent->canreinvite) 03958 return AST_RTP_TRY_NATIVE; 03959 else 03960 return AST_RTP_TRY_PARTIAL; 03961 }
static int mgcp_hangup | ( | struct ast_channel * | ast | ) | [static] |
Definition at line 916 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.
00917 { 00918 struct mgcp_subchannel *sub = ast->tech_pvt; 00919 struct mgcp_endpoint *p = sub->parent; 00920 00921 if (option_debug) { 00922 ast_log(LOG_DEBUG, "mgcp_hangup(%s)\n", ast->name); 00923 } 00924 if (!ast->tech_pvt) { 00925 ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n"); 00926 return 0; 00927 } 00928 if (strcmp(sub->magic, MGCP_SUBCHANNEL_MAGIC)) { 00929 ast_log(LOG_DEBUG, "Invalid magic. MGCP subchannel freed up already.\n"); 00930 return 0; 00931 } 00932 ast_mutex_lock(&sub->lock); 00933 if (mgcpdebug) { 00934 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s\n", ast->name, p->name, p->parent->name); 00935 } 00936 00937 if ((p->dtmfmode & MGCP_DTMF_INBAND) && p->dsp) { 00938 /* check whether other channel is active. */ 00939 if (!sub->next->owner) { 00940 if (p->dtmfmode & MGCP_DTMF_HYBRID) 00941 p->dtmfmode &= ~MGCP_DTMF_INBAND; 00942 if (mgcpdebug) { 00943 ast_verbose(VERBOSE_PREFIX_2 "MGCP free dsp on %s@%s\n", p->name, p->parent->name); 00944 } 00945 ast_dsp_free(p->dsp); 00946 p->dsp = NULL; 00947 } 00948 } 00949 00950 sub->owner = NULL; 00951 if (!ast_strlen_zero(sub->cxident)) { 00952 transmit_connection_del(sub); 00953 } 00954 sub->cxident[0] = '\0'; 00955 if ((sub == p->sub) && sub->next->owner) { 00956 if (p->hookstate == MGCP_OFFHOOK) { 00957 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00958 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); 00959 } 00960 } else { 00961 /* set our other connection as the primary and swith over to it */ 00962 p->sub = sub->next; 00963 p->sub->cxmode = MGCP_CX_RECVONLY; 00964 transmit_modify_request(p->sub); 00965 if (sub->next->owner && ast_bridged_channel(sub->next->owner)) { 00966 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); 00967 } 00968 } 00969 00970 } else if ((sub == p->sub->next) && p->hookstate == MGCP_OFFHOOK) { 00971 transmit_notify_request(sub, "L/v"); 00972 } else if (p->hookstate == MGCP_OFFHOOK) { 00973 transmit_notify_request(sub, "L/ro"); 00974 } else { 00975 transmit_notify_request(sub, ""); 00976 } 00977 00978 ast->tech_pvt = NULL; 00979 sub->alreadygone = 0; 00980 sub->outgoing = 0; 00981 sub->cxmode = MGCP_CX_INACTIVE; 00982 sub->callid[0] = '\0'; 00983 /* Reset temporary destination */ 00984 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00985 if (sub->rtp) { 00986 ast_rtp_destroy(sub->rtp); 00987 sub->rtp = NULL; 00988 } 00989 00990 ast_module_unref(ast_module_info->self); 00991 00992 if ((p->hookstate == MGCP_ONHOOK) && (!sub->next->rtp)) { 00993 p->hidecallerid = 0; 00994 if (p->hascallwaiting && !p->callwaiting) { 00995 if (option_verbose > 2) 00996 ast_verbose(VERBOSE_PREFIX_3 "Enabling call waiting on %s\n", ast->name); 00997 p->callwaiting = -1; 00998 } 00999 if (has_voicemail(p)) { 01000 if (mgcpdebug) { 01001 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(+)\n", 01002 ast->name, p->name, p->parent->name); 01003 } 01004 transmit_notify_request(sub, "L/vmwi(+)"); 01005 } else { 01006 if (mgcpdebug) { 01007 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_hangup(%s) on %s@%s set vmwi(-)\n", 01008 ast->name, p->name, p->parent->name); 01009 } 01010 transmit_notify_request(sub, "L/vmwi(-)"); 01011 } 01012 } 01013 ast_mutex_unlock(&sub->lock); 01014 return 0; 01015 }
static int mgcp_indicate | ( | struct ast_channel * | ast, | |
int | ind, | |||
const void * | data, | |||
size_t | datalen | |||
) | [static] |
Definition at line 1387 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.
01388 { 01389 struct mgcp_subchannel *sub = ast->tech_pvt; 01390 int res = 0; 01391 01392 if (mgcpdebug) { 01393 ast_verbose(VERBOSE_PREFIX_3 "MGCP asked to indicate %d '%s' condition on channel %s\n", 01394 ind, control2str(ind), ast->name); 01395 } 01396 ast_mutex_lock(&sub->lock); 01397 switch(ind) { 01398 case AST_CONTROL_RINGING: 01399 #ifdef DLINK_BUGGY_FIRMWARE 01400 transmit_notify_request(sub, "rt"); 01401 #else 01402 transmit_notify_request(sub, "G/rt"); 01403 #endif 01404 break; 01405 case AST_CONTROL_BUSY: 01406 transmit_notify_request(sub, "L/bz"); 01407 break; 01408 case AST_CONTROL_CONGESTION: 01409 transmit_notify_request(sub, "G/cg"); 01410 break; 01411 case AST_CONTROL_HOLD: 01412 ast_moh_start(ast, data, NULL); 01413 break; 01414 case AST_CONTROL_UNHOLD: 01415 ast_moh_stop(ast); 01416 break; 01417 case -1: 01418 transmit_notify_request(sub, ""); 01419 break; 01420 default: 01421 ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", ind); 01422 res = -1; 01423 } 01424 ast_mutex_unlock(&sub->lock); 01425 return res; 01426 }
static struct ast_channel* mgcp_new | ( | struct mgcp_subchannel * | sub, | |
int | state | |||
) | [static, read] |
Definition at line 1428 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, mgcp_endpoint::cid_name, mgcp_endpoint::cid_num, ast_channel::context, mgcp_endpoint::context, mgcp_endpoint::dsp, DSP_DIGITMODE_NOQUELCH, DSP_FEATURE_DTMF_DETECT, mgcp_endpoint::dtmfmode, ast_channel::exten, mgcp_endpoint::exten, ast_channel::fds, fmt, global_jbconf, mgcp_subchannel::id, 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().
01429 { 01430 struct ast_channel *tmp; 01431 struct mgcp_endpoint *i = sub->parent; 01432 int fmt; 01433 01434 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); 01435 if (tmp) { 01436 tmp->tech = &mgcp_tech; 01437 tmp->nativeformats = i->capability; 01438 if (!tmp->nativeformats) 01439 tmp->nativeformats = capability; 01440 fmt = ast_best_codec(tmp->nativeformats); 01441 ast_string_field_build(tmp, name, "MGCP/%s@%s-%d", i->name, i->parent->name, sub->id); 01442 if (sub->rtp) 01443 tmp->fds[0] = ast_rtp_fd(sub->rtp); 01444 if (i->dtmfmode & (MGCP_DTMF_INBAND | MGCP_DTMF_HYBRID)) { 01445 i->dsp = ast_dsp_new(); 01446 ast_dsp_set_features(i->dsp,DSP_FEATURE_DTMF_DETECT); 01447 /* this is to prevent clipping of dtmf tones during dsp processing */ 01448 ast_dsp_digitmode(i->dsp, DSP_DIGITMODE_NOQUELCH); 01449 } else { 01450 i->dsp = NULL; 01451 } 01452 if (state == AST_STATE_RING) 01453 tmp->rings = 1; 01454 tmp->writeformat = fmt; 01455 tmp->rawwriteformat = fmt; 01456 tmp->readformat = fmt; 01457 tmp->rawreadformat = fmt; 01458 tmp->tech_pvt = sub; 01459 if (!ast_strlen_zero(i->language)) 01460 ast_string_field_set(tmp, language, i->language); 01461 if (!ast_strlen_zero(i->accountcode)) 01462 ast_string_field_set(tmp, accountcode, i->accountcode); 01463 if (i->amaflags) 01464 tmp->amaflags = i->amaflags; 01465 sub->owner = tmp; 01466 ast_module_ref(ast_module_info->self); 01467 tmp->callgroup = i->callgroup; 01468 tmp->pickupgroup = i->pickupgroup; 01469 ast_string_field_set(tmp, call_forward, i->call_forward); 01470 ast_copy_string(tmp->context, i->context, sizeof(tmp->context)); 01471 ast_copy_string(tmp->exten, i->exten, sizeof(tmp->exten)); 01472 01473 /* Don't use ast_set_callerid() here because it will 01474 * generate a needless NewCallerID event */ 01475 tmp->cid.cid_ani = ast_strdup(i->cid_num); 01476 01477 if (!i->adsi) 01478 tmp->adsicpe = AST_ADSI_UNAVAILABLE; 01479 tmp->priority = 1; 01480 if (sub->rtp) 01481 ast_jb_configure(tmp, &global_jbconf); 01482 if (state != AST_STATE_DOWN) { 01483 if (ast_pbx_start(tmp)) { 01484 ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name); 01485 ast_hangup(tmp); 01486 tmp = NULL; 01487 } 01488 } 01489 /* verbose level check */ 01490 if (option_verbose > 2) { 01491 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_new(%s) created in state: %s\n", 01492 tmp->name, ast_state2str(state)); 01493 } 01494 } else { 01495 ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); 01496 } 01497 return tmp; 01498 }
static int mgcp_no_debug | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1130 of file chan_mgcp.c.
References ast_cli(), RESULT_SHOWUSAGE, and RESULT_SUCCESS.
01131 { 01132 if (argc != 4) 01133 return RESULT_SHOWUSAGE; 01134 mgcpdebug = 0; 01135 ast_cli(fd, "MGCP Debugging Disabled\n"); 01136 return RESULT_SUCCESS; 01137 }
static int mgcp_postrequest | ( | struct mgcp_endpoint * | p, | |
struct mgcp_subchannel * | sub, | |||
char * | data, | |||
int | len, | |||
unsigned int | seqno | |||
) | [static] |
Definition at line 672 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().
00674 { 00675 struct mgcp_message *msg = malloc(sizeof(struct mgcp_message) + len); 00676 struct mgcp_message *cur; 00677 struct mgcp_gateway *gw = ((p && p->parent) ? p->parent : NULL); 00678 struct timeval tv; 00679 00680 if (!msg) { 00681 return -1; 00682 } 00683 if (!gw) { 00684 return -1; 00685 } 00686 /* SC 00687 time(&t); 00688 if (gw->messagepending && (gw->lastouttime + 20 < t)) { 00689 ast_log(LOG_NOTICE, "Timeout waiting for response to message:%d, lastouttime: %ld, now: %ld. Dumping pending queue\n", 00690 gw->msgs ? gw->msgs->seqno : -1, (long) gw->lastouttime, (long) t); 00691 dump_queue(sub->parent); 00692 } 00693 */ 00694 msg->owner_sub = sub; 00695 msg->owner_ep = p; 00696 msg->seqno = seqno; 00697 msg->next = NULL; 00698 msg->len = len; 00699 msg->retrans = 0; 00700 memcpy(msg->buf, data, msg->len); 00701 00702 ast_mutex_lock(&gw->msgs_lock); 00703 cur = gw->msgs; 00704 if (cur) { 00705 while(cur->next) 00706 cur = cur->next; 00707 cur->next = msg; 00708 } else { 00709 gw->msgs = msg; 00710 } 00711 00712 if (gettimeofday(&tv, NULL) < 0) { 00713 /* This shouldn't ever happen, but let's be sure */ 00714 ast_log(LOG_NOTICE, "gettimeofday() failed!\n"); 00715 } else { 00716 msg->expire = tv.tv_sec * 1000 + tv.tv_usec / 1000 + DEFAULT_RETRANS; 00717 00718 if (gw->retransid == -1) 00719 gw->retransid = ast_sched_add(sched, DEFAULT_RETRANS, retrans_pkt, (void *)gw); 00720 } 00721 ast_mutex_unlock(&gw->msgs_lock); 00722 /* SC 00723 if (!gw->messagepending) { 00724 gw->messagepending = 1; 00725 gw->lastout = seqno; 00726 gw->lastouttime = t; 00727 */ 00728 __mgcp_xmit(gw, msg->buf, msg->len); 00729 /* XXX Should schedule retransmission XXX */ 00730 /* SC 00731 } else 00732 ast_log(LOG_DEBUG, "Deferring transmission of transaction %d\n", seqno); 00733 */ 00734 return 0; 00735 }
static void mgcp_queue_control | ( | struct mgcp_subchannel * | sub, | |
int | control | |||
) | [static] |
Definition at line 603 of file chan_mgcp.c.
References AST_FRAME_CONTROL, mgcp_queue_frame(), and ast_frame::subclass.
Referenced by handle_hd_hf().
00604 { 00605 struct ast_frame f = { AST_FRAME_CONTROL, }; 00606 f.subclass = control; 00607 return mgcp_queue_frame(sub, &f); 00608 }
static void mgcp_queue_frame | ( | struct mgcp_subchannel * | sub, | |
struct ast_frame * | f | |||
) | [static] |
Definition at line 567 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().
00568 { 00569 for(;;) { 00570 if (sub->owner) { 00571 if (!ast_mutex_trylock(&sub->owner->lock)) { 00572 ast_queue_frame(sub->owner, f); 00573 ast_mutex_unlock(&sub->owner->lock); 00574 break; 00575 } else { 00576 ast_mutex_unlock(&sub->lock); 00577 usleep(1); 00578 ast_mutex_lock(&sub->lock); 00579 } 00580 } else 00581 break; 00582 } 00583 }
static void mgcp_queue_hangup | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 585 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().
00586 { 00587 for(;;) { 00588 if (sub->owner) { 00589 if (!ast_mutex_trylock(&sub->owner->lock)) { 00590 ast_queue_hangup(sub->owner); 00591 ast_mutex_unlock(&sub->owner->lock); 00592 break; 00593 } else { 00594 ast_mutex_unlock(&sub->lock); 00595 usleep(1); 00596 ast_mutex_lock(&sub->lock); 00597 } 00598 } else 00599 break; 00600 } 00601 }
static struct ast_frame * mgcp_read | ( | struct ast_channel * | ast | ) | [static, read] |
Definition at line 1221 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), f, mgcp_subchannel::lock, mgcp_rtp_read(), and ast_channel::tech_pvt.
01222 { 01223 struct ast_frame *f; 01224 struct mgcp_subchannel *sub = ast->tech_pvt; 01225 ast_mutex_lock(&sub->lock); 01226 f = mgcp_rtp_read(sub); 01227 ast_mutex_unlock(&sub->lock); 01228 return f; 01229 }
static int mgcp_reload | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 4298 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().
04299 { 04300 static int deprecated = 0; 04301 if (!deprecated && argc > 0) { 04302 ast_log(LOG_WARNING, "'mgcp reload' is deprecated. Please use 'reload chan_mgcp.so' instead.\n"); 04303 deprecated = 1; 04304 } 04305 04306 ast_mutex_lock(&mgcp_reload_lock); 04307 if (mgcp_reloading) { 04308 ast_verbose("Previous mgcp reload not yet done\n"); 04309 } else 04310 mgcp_reloading = 1; 04311 ast_mutex_unlock(&mgcp_reload_lock); 04312 restart_monitor(); 04313 return 0; 04314 }
static struct ast_channel * mgcp_request | ( | const char * | type, | |
int | format, | |||
void * | data, | |||
int * | cause | |||
) | [static, read] |
Definition at line 3514 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.
03515 { 03516 int oldformat; 03517 struct mgcp_subchannel *sub; 03518 struct ast_channel *tmpc = NULL; 03519 char tmp[256]; 03520 char *dest = data; 03521 03522 oldformat = format; 03523 format &= capability; 03524 if (!format) { 03525 ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format); 03526 return NULL; 03527 } 03528 ast_copy_string(tmp, dest, sizeof(tmp)); 03529 if (ast_strlen_zero(tmp)) { 03530 ast_log(LOG_NOTICE, "MGCP Channels require an endpoint\n"); 03531 return NULL; 03532 } 03533 sub = find_subchannel_and_lock(tmp, 0, NULL); 03534 if (!sub) { 03535 ast_log(LOG_WARNING, "Unable to find MGCP endpoint '%s'\n", tmp); 03536 *cause = AST_CAUSE_UNREGISTERED; 03537 return NULL; 03538 } 03539 03540 if (option_verbose > 2) { 03541 ast_verbose(VERBOSE_PREFIX_3 "MGCP mgcp_request(%s)\n", tmp); 03542 ast_verbose(VERBOSE_PREFIX_3 "MGCP cw: %d, dnd: %d, so: %d, sno: %d\n", 03543 sub->parent->callwaiting, sub->parent->dnd, sub->owner ? 1 : 0, sub->next->owner ? 1: 0); 03544 } 03545 /* Must be busy */ 03546 if (((sub->parent->callwaiting) && ((sub->owner) && (sub->next->owner))) || 03547 ((!sub->parent->callwaiting) && (sub->owner)) || 03548 (sub->parent->dnd && (ast_strlen_zero(sub->parent->call_forward)))) { 03549 if (sub->parent->hookstate == MGCP_ONHOOK) { 03550 if (has_voicemail(sub->parent)) { 03551 transmit_notify_request(sub,"L/vmwi(+)"); 03552 } else { 03553 transmit_notify_request(sub,"L/vmwi(-)"); 03554 } 03555 } 03556 *cause = AST_CAUSE_BUSY; 03557 ast_mutex_unlock(&sub->lock); 03558 return NULL; 03559 } 03560 tmpc = mgcp_new(sub->owner ? sub->next : sub, AST_STATE_DOWN); 03561 ast_mutex_unlock(&sub->lock); 03562 if (!tmpc) 03563 ast_log(LOG_WARNING, "Unable to make channel for '%s'\n", tmp); 03564 restart_monitor(); 03565 return tmpc; 03566 }
static struct ast_frame* mgcp_rtp_read | ( | struct mgcp_subchannel * | sub | ) | [static, read] |
Definition at line 1190 of file chan_mgcp.c.
References ast_dsp_process(), AST_FRAME_DTMF, AST_FRAME_VOICE, ast_log(), ast_null_frame, ast_rtp_read(), ast_set_read_format(), ast_set_write_format(), mgcp_endpoint::dsp, mgcp_endpoint::dtmfmode, f, 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().
01191 { 01192 /* Retrieve audio/etc from channel. Assumes sub->lock is already held. */ 01193 struct ast_frame *f; 01194 01195 f = ast_rtp_read(sub->rtp); 01196 /* Don't send RFC2833 if we're not supposed to */ 01197 if (f && (f->frametype == AST_FRAME_DTMF) && !(sub->parent->dtmfmode & MGCP_DTMF_RFC2833)) 01198 return &ast_null_frame; 01199 if (sub->owner) { 01200 /* We already hold the channel lock */ 01201 if (f->frametype == AST_FRAME_VOICE) { 01202 if (f->subclass != sub->owner->nativeformats) { 01203 ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass); 01204 sub->owner->nativeformats = f->subclass; 01205 ast_set_read_format(sub->owner, sub->owner->readformat); 01206 ast_set_write_format(sub->owner, sub->owner->writeformat); 01207 } 01208 /* Courtesy fearnor aka alex@pilosoft.com */ 01209 if ((sub->parent->dtmfmode & MGCP_DTMF_INBAND) && (sub->parent->dsp)) { 01210 #if 0 01211 ast_log(LOG_NOTICE, "MGCP ast_dsp_process\n"); 01212 #endif 01213 f = ast_dsp_process(sub->owner, sub->parent->dsp, f); 01214 } 01215 } 01216 } 01217 return f; 01218 }
static int mgcp_senddigit_begin | ( | struct ast_channel * | ast, | |
char | digit | |||
) | [static] |
static int mgcp_senddigit_end | ( | struct ast_channel * | ast, | |
char | digit, | |||
unsigned int | duration | |||
) | [static] |
Definition at line 1283 of file chan_mgcp.c.
References ast_mutex_lock(), ast_mutex_unlock(), mgcp_subchannel::lock, ast_channel::tech_pvt, and transmit_notify_request().
01284 { 01285 struct mgcp_subchannel *sub = ast->tech_pvt; 01286 char tmp[4]; 01287 01288 tmp[0] = 'D'; 01289 tmp[1] = '/'; 01290 tmp[2] = digit; 01291 tmp[3] = '\0'; 01292 ast_mutex_lock(&sub->lock); 01293 transmit_notify_request(sub, tmp); 01294 ast_mutex_unlock(&sub->lock); 01295 return -1; /* Return non-zero so that Asterisk will stop the inband indications */ 01296 }
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 3963 of file chan_mgcp.c.
References mgcp_subchannel::alreadygone, ast_channel::tech_pvt, and transmit_modify_with_sdp().
03964 { 03965 /* XXX Is there such thing as video support with MGCP? XXX */ 03966 struct mgcp_subchannel *sub; 03967 sub = chan->tech_pvt; 03968 if (sub && !sub->alreadygone) { 03969 transmit_modify_with_sdp(sub, rtp, codecs); 03970 return 0; 03971 } 03972 return -1; 03973 }
static int mgcp_show_endpoints | ( | int | fd, | |
int | argc, | |||
char * | argv[] | |||
) | [static] |
Definition at line 1017 of file chan_mgcp.c.
References mgcp_gateway::addr, ast_cli(), ast_inet_ntoa(), ast_mutex_lock(), ast_mutex_unlock(), mgcp_endpoint::context, mgcp_gateway::defaddr, mgcp_gateway::dynamic, mgcp_gateway::endpoints, gateways, mgcp_endpoint::name, mgcp_gateway::name, mgcp_gateway::next, mgcp_endpoint::next, mgcp_subchannel::owner, RESULT_SHOWUSAGE, RESULT_SUCCESS, mgcp_endpoint::sub, and mgcp_gateway::wcardep.
01018 { 01019 struct mgcp_gateway *g; 01020 struct mgcp_endpoint *e; 01021 int hasendpoints = 0; 01022 01023 if (argc != 3) 01024 return RESULT_SHOWUSAGE; 01025 ast_mutex_lock(&gatelock); 01026 g = gateways; 01027 while(g) { 01028 e = g->endpoints; 01029 ast_cli(fd, "Gateway '%s' at %s (%s)\n", g->name, g->addr.sin_addr.s_addr ? ast_inet_ntoa(g->addr.sin_addr) : ast_inet_ntoa(g->defaddr.sin_addr), g->dynamic ? "Dynamic" : "Static"); 01030 while(e) { 01031 /* Don't show wilcard endpoint */ 01032 if (strcmp(e->name, g->wcardep) !=0) 01033 ast_cli(fd, " -- '%s@%s in '%s' is %s\n", e->name, g->name, e->context, e->sub->owner ? "active" : "idle"); 01034 hasendpoints = 1; 01035 e = e->next; 01036 } 01037 if (!hasendpoints) { 01038 ast_cli(fd, " << No Endpoints Defined >> "); 01039 } 01040 g = g->next; 01041 } 01042 ast_mutex_unlock(&gatelock); 01043 return RESULT_SUCCESS; 01044 }
static void* mgcp_ss | ( | void * | data | ) | [static] |
Definition at line 2606 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().
02607 { 02608 struct ast_channel *chan = data; 02609 struct mgcp_subchannel *sub = chan->tech_pvt; 02610 struct mgcp_endpoint *p = sub->parent; 02611 /* char exten[AST_MAX_EXTENSION] = ""; */ 02612 int len = 0; 02613 int timeout = firstdigittimeout; 02614 int res= 0; 02615 int getforward = 0; 02616 int loop_pause = 100; 02617 02618 len = strlen(p->dtmf_buf); 02619 02620 while(len < AST_MAX_EXTENSION-1) { 02621 res = 1; /* Assume that we will get a digit */ 02622 while (strlen(p->dtmf_buf) == len){ 02623 ast_safe_sleep(chan, loop_pause); 02624 timeout -= loop_pause; 02625 if (timeout <= 0){ 02626 res = 0; 02627 break; 02628 } 02629 res = 1; 02630 } 02631 02632 timeout = 0; 02633 len = strlen(p->dtmf_buf); 02634 02635 if (!ast_ignore_pattern(chan->context, p->dtmf_buf)) { 02636 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02637 ast_indicate(chan, -1); 02638 } else { 02639 /* XXX Redundant? We should already be playing dialtone */ 02640 /*tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02641 transmit_notify_request(sub, "L/dl"); 02642 } 02643 if (ast_exists_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02644 if (!res || !ast_matchmore_extension(chan, chan->context, p->dtmf_buf, 1, p->cid_num)) { 02645 if (getforward) { 02646 /* Record this as the forwarding extension */ 02647 ast_copy_string(p->call_forward, p->dtmf_buf, sizeof(p->call_forward)); 02648 if (option_verbose > 2) { 02649 ast_verbose(VERBOSE_PREFIX_3 "Setting call forward to '%s' on channel %s\n", 02650 p->call_forward, chan->name); 02651 } 02652 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02653 transmit_notify_request(sub, "L/sl"); 02654 if (res) 02655 break; 02656 usleep(500000); 02657 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02658 ast_indicate(chan, -1); 02659 sleep(1); 02660 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02661 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALTONE);*/ 02662 transmit_notify_request(sub, "L/dl"); 02663 len = 0; 02664 getforward = 0; 02665 } else { 02666 /*res = tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02667 ast_indicate(chan, -1); 02668 ast_copy_string(chan->exten, p->dtmf_buf, sizeof(chan->exten)); 02669 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02670 ast_set_callerid(chan, 02671 p->hidecallerid ? "" : p->cid_num, 02672 p->hidecallerid ? "" : p->cid_name, 02673 chan->cid.cid_ani ? NULL : p->cid_num); 02674 ast_setstate(chan, AST_STATE_RING); 02675 /*zt_enable_ec(p);*/ 02676 if (p->dtmfmode & MGCP_DTMF_HYBRID) { 02677 p->dtmfmode |= MGCP_DTMF_INBAND; 02678 ast_indicate(chan, -1); 02679 } 02680 res = ast_pbx_run(chan); 02681 if (res) { 02682 ast_log(LOG_WARNING, "PBX exited non-zero\n"); 02683 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02684 /*transmit_notify_request(p, "nbz", 1);*/ 02685 transmit_notify_request(sub, "G/cg"); 02686 } 02687 return NULL; 02688 } 02689 } else { 02690 /* It's a match, but they just typed a digit, and there is an ambiguous match, 02691 so just set the timeout to matchdigittimeout and wait some more */ 02692 timeout = matchdigittimeout; 02693 } 02694 } else if (res == 0) { 02695 ast_log(LOG_DEBUG, "not enough digits (and no ambiguous match)...\n"); 02696 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02697 transmit_notify_request(sub, "G/cg"); 02698 /*zt_wait_event(p->subs[index].zfd);*/ 02699 ast_hangup(chan); 02700 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02701 return NULL; 02702 } else if (p->hascallwaiting && p->callwaiting && !strcmp(p->dtmf_buf, "*70")) { 02703 if (option_verbose > 2) { 02704 ast_verbose(VERBOSE_PREFIX_3 "Disabling call waiting on %s\n", chan->name); 02705 } 02706 /* Disable call waiting if enabled */ 02707 p->callwaiting = 0; 02708 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02709 transmit_notify_request(sub, "L/sl"); 02710 len = 0; 02711 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02712 timeout = firstdigittimeout; 02713 } else if (!strcmp(p->dtmf_buf,ast_pickup_ext())) { 02714 /* Scan all channels and see if any there 02715 * ringing channqels with that have call groups 02716 * that equal this channels pickup group 02717 */ 02718 if (ast_pickup_call(chan)) { 02719 ast_log(LOG_WARNING, "No call pickup possible...\n"); 02720 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_CONGESTION);*/ 02721 transmit_notify_request(sub, "G/cg"); 02722 } 02723 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02724 ast_hangup(chan); 02725 return NULL; 02726 } else if (!p->hidecallerid && !strcmp(p->dtmf_buf, "*67")) { 02727 if (option_verbose > 2) { 02728 ast_verbose(VERBOSE_PREFIX_3 "Disabling Caller*ID on %s\n", chan->name); 02729 } 02730 /* Disable Caller*ID if enabled */ 02731 p->hidecallerid = 1; 02732 ast_set_callerid(chan, "", "", NULL); 02733 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02734 transmit_notify_request(sub, "L/sl"); 02735 len = 0; 02736 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02737 timeout = firstdigittimeout; 02738 } else if (p->callreturn && !strcmp(p->dtmf_buf, "*69")) { 02739 res = 0; 02740 if (!ast_strlen_zero(p->lastcallerid)) { 02741 res = ast_say_digit_str(chan, p->lastcallerid, "", chan->language); 02742 } 02743 if (!res) 02744 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02745 transmit_notify_request(sub, "L/sl"); 02746 break; 02747 } else if (!strcmp(p->dtmf_buf, "*78")) { 02748 /* Do not disturb */ 02749 if (option_verbose > 2) { 02750 ast_verbose(VERBOSE_PREFIX_3 "Enabled DND on channel %s\n", chan->name); 02751 } 02752 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02753 transmit_notify_request(sub, "L/sl"); 02754 p->dnd = 1; 02755 getforward = 0; 02756 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02757 len = 0; 02758 } else if (!strcmp(p->dtmf_buf, "*79")) { 02759 /* Do not disturb */ 02760 if (option_verbose > 2) { 02761 ast_verbose(VERBOSE_PREFIX_3 "Disabled DND on channel %s\n", chan->name); 02762 } 02763 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02764 transmit_notify_request(sub, "L/sl"); 02765 p->dnd = 0; 02766 getforward = 0; 02767 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02768 len = 0; 02769 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*72")) { 02770 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02771 transmit_notify_request(sub, "L/sl"); 02772 getforward = 1; 02773 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02774 len = 0; 02775 } else if (p->cancallforward && !strcmp(p->dtmf_buf, "*73")) { 02776 if (option_verbose > 2) { 02777 ast_verbose(VERBOSE_PREFIX_3 "Cancelling call forwarding on channel %s\n", chan->name); 02778 } 02779 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02780 transmit_notify_request(sub, "L/sl"); 02781 memset(p->call_forward, 0, sizeof(p->call_forward)); 02782 getforward = 0; 02783 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02784 len = 0; 02785 } else if (!strcmp(p->dtmf_buf, ast_parking_ext()) && 02786 sub->next->owner && ast_bridged_channel(sub->next->owner)) { 02787 /* This is a three way call, the main call being a real channel, 02788 and we're parking the first call. */ 02789 ast_masq_park_call(ast_bridged_channel(sub->next->owner), chan, 0, NULL); 02790 if (option_verbose > 2) { 02791 ast_verbose(VERBOSE_PREFIX_3 "Parking call to '%s'\n", chan->name); 02792 } 02793 break; 02794 } else if (!ast_strlen_zero(p->lastcallerid) && !strcmp(p->dtmf_buf, "*60")) { 02795 if (option_verbose > 2) { 02796 ast_verbose(VERBOSE_PREFIX_3 "Blacklisting number %s\n", p->lastcallerid); 02797 } 02798 res = ast_db_put("blacklist", p->lastcallerid, "1"); 02799 if (!res) { 02800 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02801 transmit_notify_request(sub, "L/sl"); 02802 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02803 len = 0; 02804 } 02805 } else if (p->hidecallerid && !strcmp(p->dtmf_buf, "*82")) { 02806 if (option_verbose > 2) { 02807 ast_verbose(VERBOSE_PREFIX_3 "Enabling Caller*ID on %s\n", chan->name); 02808 } 02809 /* Enable Caller*ID if enabled */ 02810 p->hidecallerid = 0; 02811 ast_set_callerid(chan, p->cid_num, p->cid_name, NULL); 02812 /*res = tone_zone_play_tone(p->subs[index].zfd, ZT_TONE_DIALRECALL);*/ 02813 transmit_notify_request(sub, "L/sl"); 02814 len = 0; 02815 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02816 timeout = firstdigittimeout; 02817 } else if (!ast_canmatch_extension(chan, chan->context, p->dtmf_buf, 1, chan->cid.cid_num) && 02818 ((p->dtmf_buf[0] != '*') || (strlen(p->dtmf_buf) > 2))) { 02819 if (option_debug) 02820 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); 02821 break; 02822 } 02823 if (!timeout) 02824 timeout = gendigittimeout; 02825 if (len && !ast_ignore_pattern(chan->context, p->dtmf_buf)) 02826 /*tone_zone_play_tone(p->subs[index].zfd, -1);*/ 02827 ast_indicate(chan, -1); 02828 } 02829 #if 0 02830 for (;;) { 02831 res = ast_waitfordigit(chan, to); 02832 if (!res) { 02833 ast_log(LOG_DEBUG, "Timeout...\n"); 02834 break; 02835 } 02836 if (res < 0) { 02837 ast_log(LOG_DEBUG, "Got hangup...\n"); 02838 ast_hangup(chan); 02839 break; 02840 } 02841 exten[pos++] = res; 02842 if (!ast_ignore_pattern(chan->context, exten)) 02843 ast_indicate(chan, -1); 02844 if (ast_matchmore_extension(chan, chan->context, exten, 1, chan->callerid)) { 02845 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) 02846 to = 3000; 02847 else 02848 to = 8000; 02849 } else 02850 break; 02851 } 02852 if (ast_exists_extension(chan, chan->context, exten, 1, chan->callerid)) { 02853 ast_copy_string(chan->exten, exten, sizeof(chan->exten)1); 02854 if (!p->rtp) { 02855 start_rtp(p); 02856 } 02857 ast_setstate(chan, AST_STATE_RING); 02858 chan->rings = 1; 02859 if (ast_pbx_run(chan)) { 02860 ast_log(LOG_WARNING, "Unable to launch PBX on %s\n", chan->name); 02861 } else { 02862 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02863 return NULL; 02864 } 02865 } 02866 #endif 02867 ast_hangup(chan); 02868 memset(p->dtmf_buf, 0, sizeof(p->dtmf_buf)); 02869 return NULL; 02870 }
static int mgcp_write | ( | struct ast_channel * | ast, | |
struct ast_frame * | frame | |||
) | [static] |
Definition at line 1231 of file chan_mgcp.c.
References AST_FRAME_IMAGE, AST_FRAME_VOICE, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_write(), ast_frame::frametype, mgcp_subchannel::lock, LOG_WARNING, ast_channel::nativeformats, mgcp_subchannel::parent, ast_channel::readformat, mgcp_subchannel::rtp, mgcp_endpoint::singlepath, mgcp_endpoint::sub, ast_frame::subclass, ast_channel::tech_pvt, and ast_channel::writeformat.
01232 { 01233 struct mgcp_subchannel *sub = ast->tech_pvt; 01234 int res = 0; 01235 if (frame->frametype != AST_FRAME_VOICE) { 01236 if (frame->frametype == AST_FRAME_IMAGE) 01237 return 0; 01238 else { 01239 ast_log(LOG_WARNING, "Can't send %d type frames with MGCP write\n", frame->frametype); 01240 return 0; 01241 } 01242 } else { 01243 if (!(frame->subclass & ast->nativeformats)) { 01244 ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", 01245 frame->subclass, ast->nativeformats, ast->readformat, ast->writeformat); 01246 return -1; 01247 } 01248 } 01249 if (sub) { 01250 ast_mutex_lock(&sub->lock); 01251 if ((sub->parent->sub == sub) || !sub->parent->singlepath) { 01252 if (sub->rtp) { 01253 res = ast_rtp_write(sub->rtp, frame); 01254 } 01255 } 01256 ast_mutex_unlock(&sub->lock); 01257 } 01258 return res; 01259 }
static int mgcpsock_read | ( | int * | id, | |
int | fd, | |||
short | events, | |||
void * | ignore | |||
) | [static] |
Definition at line 3309 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, errno, 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().
03310 { 03311 struct mgcp_request req; 03312 struct sockaddr_in sin; 03313 struct mgcp_subchannel *sub; 03314 int res; 03315 socklen_t len; 03316 int result; 03317 int ident; 03318 len = sizeof(sin); 03319 memset(&req, 0, sizeof(req)); 03320 res = recvfrom(mgcpsock, req.data, sizeof(req.data) - 1, 0, (struct sockaddr *)&sin, &len); 03321 if (res < 0) { 03322 if (errno != ECONNREFUSED) 03323 ast_log(LOG_WARNING, "Recv error: %s\n", strerror(errno)); 03324 return 1; 03325 } 03326 req.data[res] = '\0'; 03327 req.len = res; 03328 if (mgcpdebug) { 03329 ast_verbose("MGCP read: \n%s\nfrom %s:%d\n", req.data, ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 03330 } 03331 parse(&req); 03332 if (req.headers < 1) { 03333 /* Must have at least one header */ 03334 return 1; 03335 } 03336 if (ast_strlen_zero(req.identifier)) { 03337 ast_log(LOG_NOTICE, "Message from %s missing identifier\n", ast_inet_ntoa(sin.sin_addr)); 03338 return 1; 03339 } 03340 03341 if (sscanf(req.verb, "%d", &result) && sscanf(req.identifier, "%d", &ident)) { 03342 /* Try to find who this message is for, if it's important */ 03343 sub = find_subchannel_and_lock(NULL, ident, &sin); 03344 if (sub) { 03345 struct mgcp_gateway *gw = sub->parent->parent; 03346 struct mgcp_message *cur, *prev; 03347 03348 ast_mutex_unlock(&sub->lock); 03349 ast_mutex_lock(&gw->msgs_lock); 03350 for (prev = NULL, cur = gw->msgs; cur; prev = cur, cur = cur->next) { 03351 if (cur->seqno == ident) { 03352 ast_log(LOG_DEBUG, "Got response back on transaction %d\n", ident); 03353 if (prev) 03354 prev->next = cur->next; 03355 else 03356 gw->msgs = cur->next; 03357 break; 03358 } 03359 } 03360 03361 /* stop retrans timer if the queue is empty */ 03362 if (!gw->msgs && (gw->retransid != -1)) { 03363 ast_sched_del(sched, gw->retransid); 03364 gw->retransid = -1; 03365 } 03366 03367 ast_mutex_unlock(&gw->msgs_lock); 03368 if (cur) { 03369 handle_response(cur->owner_ep, cur->owner_sub, result, ident, &req); 03370 free(cur); 03371 return 1; 03372 } 03373 03374 ast_log(LOG_NOTICE, "Got response back on [%s] for transaction %d we aren't sending?\n", 03375 gw->name, ident); 03376 } 03377 } else { 03378 if (ast_strlen_zero(req.endpoint) || 03379 ast_strlen_zero(req.version) || 03380 ast_strlen_zero(req.verb)) { 03381 ast_log(LOG_NOTICE, "Message must have a verb, an idenitifier, version, and endpoint\n"); 03382 return 1; 03383 } 03384 /* Process request, with iflock held */ 03385 sub = find_subchannel_and_lock(req.endpoint, 0, &sin); 03386 if (sub) { 03387 /* look first to find a matching response in the queue */ 03388 if (!find_and_retrans(sub, &req)) 03389 /* pass the request off to the currently mastering subchannel */ 03390 handle_request(sub, &req, &sin); 03391 ast_mutex_unlock(&sub->lock); 03392 } 03393 } 03394 return 1; 03395 }
static void parse | ( | struct mgcp_request * | req | ) | [static] |
Definition at line 1702 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().
01703 { 01704 /* Divide fields by NULL's */ 01705 char *c; 01706 int f = 0; 01707 c = req->data; 01708 01709 /* First header starts immediately */ 01710 req->header[f] = c; 01711 while(*c) { 01712 if (*c == '\n') { 01713 /* We've got a new header */ 01714 *c = 0; 01715 #if 0 01716 printf("Header: %s (%d)\n", req->header[f], strlen(req->header[f])); 01717 #endif 01718 if (ast_strlen_zero(req->header[f])) { 01719 /* Line by itself means we're now in content */ 01720 c++; 01721 break; 01722 } 01723 if (f >= MGCP_MAX_HEADERS - 1) { 01724 ast_log(LOG_WARNING, "Too many MGCP headers...\n"); 01725 } else 01726 f++; 01727 req->header[f] = c + 1; 01728 } else if (*c == '\r') { 01729 /* Ignore but eliminate \r's */ 01730 *c = 0; 01731 } 01732 c++; 01733 } 01734 /* Check for last header */ 01735 if (!ast_strlen_zero(req->header[f])) 01736 f++; 01737 req->headers = f; 01738 /* Now we process any mime content */ 01739 f = 0; 01740 req->line[f] = c; 01741 while(*c) { 01742 if (*c == '\n') { 01743 /* We've got a new line */ 01744 *c = 0; 01745 #if 0 01746 printf("Line: %s (%d)\n", req->line[f], strlen(req->line[f])); 01747 #endif 01748 if (f >= MGCP_MAX_LINES - 1) { 01749 ast_log(LOG_WARNING, "Too many SDP lines...\n"); 01750 } else 01751 f++; 01752 req->line[f] = c + 1; 01753 } else if (*c == '\r') { 01754 /* Ignore and eliminate \r's */ 01755 *c = 0; 01756 } 01757 c++; 01758 } 01759 /* Check for last line */ 01760 if (!ast_strlen_zero(req->line[f])) 01761 f++; 01762 req->lines = f; 01763 /* Parse up the initial header */ 01764 c = req->header[0]; 01765 while(*c && *c < 33) c++; 01766 /* First the verb */ 01767 req->verb = c; 01768 while(*c && (*c > 32)) c++; 01769 if (*c) { 01770 *c = '\0'; 01771 c++; 01772 while(*c && (*c < 33)) c++; 01773 req->identifier = c; 01774 while(*c && (*c > 32)) c++; 01775 if (*c) { 01776 *c = '\0'; 01777 c++; 01778 while(*c && (*c < 33)) c++; 01779 req->endpoint = c; 01780 while(*c && (*c > 32)) c++; 01781 if (*c) { 01782 *c = '\0'; 01783 c++; 01784 while(*c && (*c < 33)) c++; 01785 req->version = c; 01786 while(*c && (*c > 32)) c++; 01787 while(*c && (*c < 33)) c++; 01788 while(*c && (*c > 32)) c++; 01789 *c = '\0'; 01790 } 01791 } 01792 } 01793 01794 if (mgcpdebug) { 01795 ast_verbose("Verb: '%s', Identifier: '%s', Endpoint: '%s', Version: '%s'\n", 01796 req->verb, req->identifier, req->endpoint, req->version); 01797 ast_verbose("%d headers, %d lines\n", req->headers, req->lines); 01798 } 01799 if (*c) 01800 ast_log(LOG_WARNING, "Odd content, extra stuff left over ('%s')\n", c); 01801 }
static int process_sdp | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 1803 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().
01804 { 01805 char *m; 01806 char *c; 01807 char *a; 01808 char host[258]; 01809 int len; 01810 int portno; 01811 int peercapability, peerNonCodecCapability; 01812 struct sockaddr_in sin; 01813 char *codecs; 01814 struct ast_hostent ahp; struct hostent *hp; 01815 int codec, codec_count=0; 01816 int iterator; 01817 struct mgcp_endpoint *p = sub->parent; 01818 01819 /* Get codec and RTP info from SDP */ 01820 m = get_sdp(req, "m"); 01821 c = get_sdp(req, "c"); 01822 if (ast_strlen_zero(m) || ast_strlen_zero(c)) { 01823 ast_log(LOG_WARNING, "Insufficient information for SDP (m = '%s', c = '%s')\n", m, c); 01824 return -1; 01825 } 01826 if (sscanf(c, "IN IP4 %256s", host) != 1) { 01827 ast_log(LOG_WARNING, "Invalid host in c= line, '%s'\n", c); 01828 return -1; 01829 } 01830 /* XXX This could block for a long time, and block the main thread! XXX */ 01831 hp = ast_gethostbyname(host, &ahp); 01832 if (!hp) { 01833 ast_log(LOG_WARNING, "Unable to lookup host in c= line, '%s'\n", c); 01834 return -1; 01835 } 01836 if (sscanf(m, "audio %d RTP/AVP %n", &portno, &len) != 1) { 01837 ast_log(LOG_WARNING, "Unable to determine port number for RTP in '%s'\n", m); 01838 return -1; 01839 } 01840 sin.sin_family = AF_INET; 01841 memcpy(&sin.sin_addr, hp->h_addr, sizeof(sin.sin_addr)); 01842 sin.sin_port = htons(portno); 01843 ast_rtp_set_peer(sub->rtp, &sin); 01844 #if 0 01845 printf("Peer RTP is at port %s:%d\n", ast_inet_ntoa(sin.sin_addr), ntohs(sin.sin_port)); 01846 #endif 01847 /* Scan through the RTP payload types specified in a "m=" line: */ 01848 ast_rtp_pt_clear(sub->rtp); 01849 codecs = ast_strdupa(m + len); 01850 while (!ast_strlen_zero(codecs)) { 01851 if (sscanf(codecs, "%d%n", &codec, &len) != 1) { 01852 if (codec_count) 01853 break; 01854 ast_log(LOG_WARNING, "Error in codec string '%s' at '%s'\n", m, codecs); 01855 return -1; 01856 } 01857 ast_rtp_set_m_type(sub->rtp, codec); 01858 codec_count++; 01859 codecs += len; 01860 } 01861 01862 /* Next, scan through each "a=rtpmap:" line, noting each */ 01863 /* specified RTP payload type (with corresponding MIME subtype): */ 01864 sdpLineNum_iterator_init(&iterator); 01865 while ((a = get_sdp_iterate(&iterator, req, "a"))[0] != '\0') { 01866 char* mimeSubtype = ast_strdupa(a); /* ensures we have enough space */ 01867 if (sscanf(a, "rtpmap: %u %[^/]/", &codec, mimeSubtype) != 2) 01868 continue; 01869 /* Note: should really look at the 'freq' and '#chans' params too */ 01870 ast_rtp_set_rtpmap_type(sub->rtp, codec, "audio", mimeSubtype, 0); 01871 } 01872 01873 /* Now gather all of the codecs that were asked for: */ 01874 ast_rtp_get_current_formats(sub->rtp, &peercapability, &peerNonCodecCapability); 01875 p->capability = capability & peercapability; 01876 if (mgcpdebug) { 01877 ast_verbose("Capabilities: us - %d, them - %d, combined - %d\n", 01878 capability, peercapability, p->capability); 01879 ast_verbose("Non-codec capabilities: us - %d, them - %d, combined - %d\n", 01880 nonCodecCapability, peerNonCodecCapability, p->nonCodecCapability); 01881 } 01882 if (!p->capability) { 01883 ast_log(LOG_WARNING, "No compatible codecs!\n"); 01884 return -1; 01885 } 01886 return 0; 01887 }
static void prune_gateways | ( | void | ) | [static] |
Definition at line 4033 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().
04034 { 04035 struct mgcp_gateway *g, *z, *r; 04036 struct mgcp_endpoint *e, *p, *t; 04037 04038 ast_mutex_lock(&gatelock); 04039 04040 /* prune gateways */ 04041 for (z = NULL, g = gateways; g;) { 04042 /* prune endpoints */ 04043 for (p = NULL, e = g->endpoints; e; ) { 04044 if (e->delme || g->delme) { 04045 t = e; 04046 e = e->next; 04047 if (!p) 04048 g->endpoints = e; 04049 else 04050 p->next = e; 04051 destroy_endpoint(t); 04052 } else { 04053 p = e; 04054 e = e->next; 04055 } 04056 } 04057 04058 if (g->delme) { 04059 r = g; 04060 g = g->next; 04061 if (!z) 04062 gateways = g; 04063 else 04064 z->next = g; 04065 04066 destroy_gateway(r); 04067 } else { 04068 z = g; 04069 g = g->next; 04070 } 04071 } 04072 04073 ast_mutex_unlock(&gatelock); 04074 }
static int reload | ( | void | ) | [static] |
Definition at line 4316 of file chan_mgcp.c.
References mgcp_reload().
04317 { 04318 mgcp_reload(0, 0, NULL); 04319 return 0; 04320 }
static int reload_config | ( | void | ) | [static] |
Definition at line 4076 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, errno, 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.
04077 { 04078 struct ast_config *cfg; 04079 struct ast_variable *v; 04080 struct mgcp_gateway *g; 04081 struct mgcp_endpoint *e; 04082 char *cat; 04083 struct ast_hostent ahp; 04084 struct hostent *hp; 04085 int format; 04086 04087 if (gethostname(ourhost, sizeof(ourhost)-1)) { 04088 ast_log(LOG_WARNING, "Unable to get hostname, MGCP disabled\n"); 04089 return 0; 04090 } 04091 cfg = ast_config_load(config); 04092 04093 /* We *must* have a config file otherwise stop immediately */ 04094 if (!cfg) { 04095 ast_log(LOG_NOTICE, "Unable to load config %s, MGCP disabled\n", config); 04096 return 0; 04097 } 04098 memset(&bindaddr, 0, sizeof(bindaddr)); 04099 dtmfmode = 0; 04100 04101 /* Copy the default jb config over global_jbconf */ 04102 memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); 04103 04104 v = ast_variable_browse(cfg, "general"); 04105 while (v) { 04106 /* handle jb conf */ 04107 if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) { 04108 v = v->next; 04109 continue; 04110 } 04111 04112 /* Create the interface list */ 04113 if (!strcasecmp(v->name, "bindaddr")) { 04114 if (!(hp = ast_gethostbyname(v->value, &ahp))) { 04115 ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); 04116 } else { 04117 memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); 04118 } 04119 } else if (!strcasecmp(v->name, "allow")) { 04120 format = ast_getformatbyname(v->value); 04121 if (format < 1) 04122 ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value); 04123 else 04124 capability |= format; 04125 } else if (!strcasecmp(v->name, "disallow")) { 04126 format = ast_getformatbyname(v->value); 04127 if (format < 1) 04128 ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value); 04129 else 04130 capability &= ~format; 04131 } else if (!strcasecmp(v->name, "tos")) { 04132 if (sscanf(v->value, "%d", &format) == 1) 04133 tos = format & 0xff; 04134 else if (!strcasecmp(v->value, "lowdelay")) 04135 tos = IPTOS_LOWDELAY; 04136 else if (!strcasecmp(v->value, "throughput")) 04137 tos = IPTOS_THROUGHPUT; 04138 else if (!strcasecmp(v->value, "reliability")) 04139 tos = IPTOS_RELIABILITY; 04140 else if (!strcasecmp(v->value, "mincost")) 04141 tos = IPTOS_MINCOST; 04142 else if (!strcasecmp(v->value, "none")) 04143 tos = 0; 04144 else 04145 ast_log(LOG_WARNING, "Invalid tos value at line %d, should be 'lowdelay', 'throughput', 'reliability', 'mincost', or 'none'\n", v->lineno); 04146 } else if (!strcasecmp(v->name, "port")) { 04147 if (sscanf(v->value, "%d", &ourport) == 1) { 04148 bindaddr.sin_port = htons(ourport); 04149 } else { 04150 ast_log(LOG_WARNING, "Invalid port number '%s' at line %d of %s\n", v->value, v->lineno, config); 04151 } 04152 } 04153 v = v->next; 04154 } 04155 04156 /* mark existing entries for deletion */ 04157 ast_mutex_lock(&gatelock); 04158 g = gateways; 04159 while (g) { 04160 g->delme = 1; 04161 e = g->endpoints; 04162 while (e) { 04163 e->delme = 1; 04164 e = e->next; 04165 } 04166 g = g->next; 04167 } 04168 ast_mutex_unlock(&gatelock); 04169 04170 cat = ast_category_browse(cfg, NULL); 04171 while(cat) { 04172 if (strcasecmp(cat, "general")) { 04173 ast_mutex_lock(&gatelock); 04174 g = build_gateway(cat, ast_variable_browse(cfg, cat)); 04175 if (g) { 04176 if (option_verbose > 2) { 04177 ast_verbose(VERBOSE_PREFIX_3 "Added gateway '%s'\n", g->name); 04178 } 04179 g->next = gateways; 04180 gateways = g; 04181 } 04182 ast_mutex_unlock(&gatelock); 04183 04184 /* FS: process queue and IO */ 04185 if (monitor_thread == pthread_self()) { 04186 if (sched) ast_sched_runq(sched); 04187 if (io) ast_io_wait(io, 10); 04188 } 04189 } 04190 cat = ast_category_browse(cfg, cat); 04191 } 04192 04193 /* prune deleted entries etc. */ 04194 prune_gateways(); 04195 04196 if (ntohl(bindaddr.sin_addr.s_addr)) { 04197 memcpy(&__ourip, &bindaddr.sin_addr, sizeof(__ourip)); 04198 } else { 04199 hp = ast_gethostbyname(ourhost, &ahp); 04200 if (!hp) { 04201 ast_log(LOG_WARNING, "Unable to get our IP address, MGCP disabled\n"); 04202 ast_config_destroy(cfg); 04203 return 0; 04204 } 04205 memcpy(&__ourip, hp->h_addr, sizeof(__ourip)); 04206 } 04207 if (!ntohs(bindaddr.sin_port)) 04208 bindaddr.sin_port = ntohs(DEFAULT_MGCP_CA_PORT); 04209 bindaddr.sin_family = AF_INET; 04210 ast_mutex_lock(&netlock); 04211 if (mgcpsock > -1) 04212 close(mgcpsock); 04213 04214 if (mgcpsock_read_id != NULL) 04215 ast_io_remove(io, mgcpsock_read_id); 04216 mgcpsock_read_id = NULL; 04217 04218 mgcpsock = socket(AF_INET, SOCK_DGRAM, 0); 04219 if (mgcpsock < 0) { 04220 ast_log(LOG_WARNING, "Unable to create MGCP socket: %s\n", strerror(errno)); 04221 } else { 04222 if (bind(mgcpsock, (struct sockaddr *)&bindaddr, sizeof(bindaddr)) < 0) { 04223 ast_log(LOG_WARNING, "Failed to bind to %s:%d: %s\n", 04224 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port), 04225 strerror(errno)); 04226 close(mgcpsock); 04227 mgcpsock = -1; 04228 } else { 04229 if (option_verbose > 1) { 04230 ast_verbose(VERBOSE_PREFIX_2 "MGCP Listening on %s:%d\n", 04231 ast_inet_ntoa(bindaddr.sin_addr), ntohs(bindaddr.sin_port)); 04232 ast_verbose(VERBOSE_PREFIX_2 "Using TOS bits %d\n", tos); 04233 } 04234 if (setsockopt(mgcpsock, IPPROTO_IP, IP_TOS, &tos, sizeof(tos))) 04235 ast_log(LOG_WARNING, "Unable to set TOS to %d\n", tos); 04236 } 04237 } 04238 ast_mutex_unlock(&netlock); 04239 ast_config_destroy(cfg); 04240 04241 /* send audit only to the new endpoints */ 04242 g = gateways; 04243 while (g) { 04244 e = g->endpoints; 04245 while (e && e->needaudit) { 04246 e->needaudit = 0; 04247 transmit_audit_endpoint(e); 04248 ast_verbose(VERBOSE_PREFIX_3 "MGCP Auditing endpoint %s@%s for hookstate\n", e->name, g->name); 04249 e = e->next; 04250 } 04251 g = g->next; 04252 } 04253 04254 return 0; 04255 }
static int reqprep | ( | struct mgcp_request * | req, | |
struct mgcp_endpoint * | p, | |||
char * | verb | |||
) | [static] |
Definition at line 1980 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().
01981 { 01982 memset(req, 0, sizeof(struct mgcp_request)); 01983 oseq++; 01984 if (oseq > 999999999) 01985 oseq = 1; 01986 init_req(p, req, verb); 01987 return 0; 01988 }
static int resend_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_response * | resp | |||
) | [static] |
Definition at line 503 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().
00504 { 00505 struct mgcp_endpoint *p = sub->parent; 00506 int res; 00507 if (mgcpdebug) { 00508 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)); 00509 } 00510 res = __mgcp_xmit(p->parent, resp->buf, resp->len); 00511 if (res > 0) 00512 res = 0; 00513 return res; 00514 }
static int respprep | ( | struct mgcp_request * | resp, | |
struct mgcp_endpoint * | p, | |||
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 1973 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().
01974 { 01975 memset(resp, 0, sizeof(*resp)); 01976 init_resp(resp, msg, req, msgrest); 01977 return 0; 01978 }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 3485 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.
03486 { 03487 /* If we're supposed to be stopped -- stay stopped */ 03488 if (monitor_thread == AST_PTHREADT_STOP) 03489 return 0; 03490 if (ast_mutex_lock(&monlock)) { 03491 ast_log(LOG_WARNING, "Unable to lock monitor\n"); 03492 return -1; 03493 } 03494 if (monitor_thread == pthread_self()) { 03495 ast_mutex_unlock(&monlock); 03496 ast_log(LOG_WARNING, "Cannot kill myself\n"); 03497 return -1; 03498 } 03499 if (monitor_thread != AST_PTHREADT_NULL) { 03500 /* Wake up the thread */ 03501 pthread_kill(monitor_thread, SIGURG); 03502 } else { 03503 /* Start a new monitor */ 03504 if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { 03505 ast_mutex_unlock(&monlock); 03506 ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); 03507 return -1; 03508 } 03509 } 03510 ast_mutex_unlock(&monlock); 03511 return 0; 03512 }
static int retrans_pkt | ( | const void * | data | ) | [static] |
Definition at line 610 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().
00611 { 00612 struct mgcp_gateway *gw = (struct mgcp_gateway *)data; 00613 struct mgcp_message *cur, *exq = NULL, *w, *prev; 00614 int res = 0; 00615 00616 /* find out expired msgs */ 00617 ast_mutex_lock(&gw->msgs_lock); 00618 00619 prev = NULL, cur = gw->msgs; 00620 while (cur) { 00621 if (cur->retrans < MAX_RETRANS) { 00622 cur->retrans++; 00623 if (mgcpdebug) { 00624 ast_verbose("Retransmitting #%d transaction %u on [%s]\n", 00625 cur->retrans, cur->seqno, gw->name); 00626 } 00627 __mgcp_xmit(gw, cur->buf, cur->len); 00628 00629 prev = cur; 00630 cur = cur->next; 00631 } else { 00632 if (prev) 00633 prev->next = cur->next; 00634 else 00635 gw->msgs = cur->next; 00636 00637 ast_log(LOG_WARNING, "Maximum retries exceeded for transaction %u on [%s]\n", 00638 cur->seqno, gw->name); 00639 00640 w = cur; 00641 cur = cur->next; 00642 00643 if (exq) { 00644 w->next = exq; 00645 } else { 00646 w->next = NULL; 00647 } 00648 exq = w; 00649 } 00650 } 00651 00652 if (!gw->msgs) { 00653 gw->retransid = -1; 00654 res = 0; 00655 } else { 00656 res = 1; 00657 } 00658 ast_mutex_unlock(&gw->msgs_lock); 00659 00660 while (exq) { 00661 cur = exq; 00662 /* time-out transaction */ 00663 handle_response(cur->owner_ep, cur->owner_sub, 406, cur->seqno, NULL); 00664 exq = exq->next; 00665 free(cur); 00666 } 00667 00668 return res; 00669 }
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 738 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().
00740 { 00741 int res = 0; 00742 struct mgcp_request **queue, *q, *r, *t; 00743 ast_mutex_t *l; 00744 00745 ast_log(LOG_DEBUG, "Slow sequence is %d\n", p->slowsequence); 00746 if (p->slowsequence) { 00747 queue = &p->cmd_queue; 00748 l = &p->cmd_queue_lock; 00749 ast_mutex_lock(l); 00750 } else { 00751 switch (req->cmd) { 00752 case MGCP_CMD_DLCX: 00753 queue = &sub->cx_queue; 00754 l = &sub->cx_queue_lock; 00755 ast_mutex_lock(l); 00756 q = sub->cx_queue; 00757 /* delete pending cx cmds */ 00758 while (q) { 00759 r = q->next; 00760 free(q); 00761 q = r; 00762 } 00763 *queue = NULL; 00764 break; 00765 00766 case MGCP_CMD_CRCX: 00767 case MGCP_CMD_MDCX: 00768 queue = &sub->cx_queue; 00769 l = &sub->cx_queue_lock; 00770 ast_mutex_lock(l); 00771 break; 00772 00773 case MGCP_CMD_RQNT: 00774 queue = &p->rqnt_queue; 00775 l = &p->rqnt_queue_lock; 00776 ast_mutex_lock(l); 00777 break; 00778 00779 default: 00780 queue = &p->cmd_queue; 00781 l = &p->cmd_queue_lock; 00782 ast_mutex_lock(l); 00783 break; 00784 } 00785 } 00786 00787 r = (struct mgcp_request *) malloc (sizeof(struct mgcp_request)); 00788 if (!r) { 00789 ast_log(LOG_WARNING, "Cannot post MGCP request: insufficient memory\n"); 00790 ast_mutex_unlock(l); 00791 return -1; 00792 } 00793 memcpy(r, req, sizeof(struct mgcp_request)); 00794 00795 if (!(*queue)) { 00796 if (mgcpdebug) { 00797 ast_verbose("Posting Request:\n%s to %s:%d\n", req->data, 00798 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00799 } 00800 00801 res = mgcp_postrequest(p, sub, req->data, req->len, seqno); 00802 } else { 00803 if (mgcpdebug) { 00804 ast_verbose("Queueing Request:\n%s to %s:%d\n", req->data, 00805 ast_inet_ntoa(p->parent->addr.sin_addr), ntohs(p->parent->addr.sin_port)); 00806 } 00807 } 00808 00809 /* XXX find tail. We could also keep tail in the data struct for faster access */ 00810 for (t = *queue; t && t->next; t = t->next); 00811 00812 r->next = NULL; 00813 if (t) 00814 t->next = r; 00815 else 00816 *queue = r; 00817 00818 ast_mutex_unlock(l); 00819 00820 return res; 00821 }
static int send_response | ( | struct mgcp_subchannel * | sub, | |
struct mgcp_request * | req | |||
) | [static] |
Definition at line 516 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().
00517 { 00518 struct mgcp_endpoint *p = sub->parent; 00519 int res; 00520 if (mgcpdebug) { 00521 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)); 00522 } 00523 res = __mgcp_xmit(p->parent, req->data, req->len); 00524 if (res > 0) 00525 res = 0; 00526 return res; 00527 }
static void start_rtp | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2581 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().
02582 { 02583 ast_mutex_lock(&sub->lock); 02584 /* check again to be on the safe side */ 02585 if (sub->rtp) { 02586 ast_rtp_destroy(sub->rtp); 02587 sub->rtp = NULL; 02588 } 02589 /* Allocate the RTP now */ 02590 sub->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, bindaddr.sin_addr); 02591 if (sub->rtp && sub->owner) 02592 sub->owner->fds[0] = ast_rtp_fd(sub->rtp); 02593 if (sub->rtp) 02594 ast_rtp_setnat(sub->rtp, sub->nat); 02595 #if 0 02596 ast_rtp_set_callback(p->rtp, rtpready); 02597 ast_rtp_set_data(p->rtp, p); 02598 #endif 02599 /* Make a call*ID */ 02600 snprintf(sub->callid, sizeof(sub->callid), "%08lx%s", ast_random(), sub->txident); 02601 /* Transmit the connection create */ 02602 transmit_connect_with_sdp(sub, NULL); 02603 ast_mutex_unlock(&sub->lock); 02604 }
static int transmit_audit_endpoint | ( | struct mgcp_endpoint * | p | ) | [static] |
Definition at line 2290 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().
02291 { 02292 struct mgcp_request resp; 02293 reqprep(&resp, p, "AUEP"); 02294 /* removed unknown param VS */ 02295 /*add_header(&resp, "F", "A,R,D,S,X,N,I,T,O,ES,E,MD,M");*/ 02296 add_header(&resp, "F", "A"); 02297 /* fill in new fields */ 02298 resp.cmd = MGCP_CMD_AUEP; 02299 resp.trid = oseq; 02300 return send_request(p, NULL, &resp, oseq); /* SC */ 02301 }
static int transmit_connect_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp | |||
) | [static] |
Definition at line 2146 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().
02147 { 02148 struct mgcp_request resp; 02149 char local[256]; 02150 char tmp[80]; 02151 int x; 02152 struct mgcp_endpoint *p = sub->parent; 02153 02154 snprintf(local, sizeof(local), "p:20"); 02155 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02156 if (p->capability & x) { 02157 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02158 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02159 } 02160 } 02161 if (mgcpdebug) { 02162 ast_verbose(VERBOSE_PREFIX_3 "Creating connection for %s@%s-%d in cxmode: %s callid: %s\n", 02163 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02164 } 02165 reqprep(&resp, p, "CRCX"); 02166 add_header(&resp, "C", sub->callid); 02167 add_header(&resp, "L", local); 02168 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02169 /* X header should not be sent. kept for compatibility */ 02170 add_header(&resp, "X", sub->txident); 02171 /*add_header(&resp, "S", "");*/ 02172 add_sdp(&resp, sub, rtp); 02173 /* fill in new fields */ 02174 resp.cmd = MGCP_CMD_CRCX; 02175 resp.trid = oseq; 02176 return send_request(p, sub, &resp, oseq); /* SC */ 02177 }
static int transmit_connection_del | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2303 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().
02304 { 02305 struct mgcp_endpoint *p = sub->parent; 02306 struct mgcp_request resp; 02307 02308 if (mgcpdebug) { 02309 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s-%d with new mode: %s on callid: %s\n", 02310 sub->cxident, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02311 } 02312 reqprep(&resp, p, "DLCX"); 02313 /* check if call id is avail */ 02314 if (sub->callid[0]) 02315 add_header(&resp, "C", sub->callid); 02316 /* X header should not be sent. kept for compatibility */ 02317 add_header(&resp, "X", sub->txident); 02318 /* check if cxident is avail */ 02319 if (sub->cxident[0]) 02320 add_header(&resp, "I", sub->cxident); 02321 /* fill in new fields */ 02322 resp.cmd = MGCP_CMD_DLCX; 02323 resp.trid = oseq; 02324 return send_request(p, sub, &resp, oseq); /* SC */ 02325 }
static int transmit_connection_del_w_params | ( | struct mgcp_endpoint * | p, | |
char * | callid, | |||
char * | cxident | |||
) | [static] |
Definition at line 2327 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().
02328 { 02329 struct mgcp_request resp; 02330 02331 if (mgcpdebug) { 02332 ast_verbose(VERBOSE_PREFIX_3 "Delete connection %s %s@%s on callid: %s\n", 02333 cxident ? cxident : "", p->name, p->parent->name, callid ? callid : ""); 02334 } 02335 reqprep(&resp, p, "DLCX"); 02336 /* check if call id is avail */ 02337 if (callid && *callid) 02338 add_header(&resp, "C", callid); 02339 /* check if cxident is avail */ 02340 if (cxident && *cxident) 02341 add_header(&resp, "I", cxident); 02342 /* fill in new fields */ 02343 resp.cmd = MGCP_CMD_DLCX; 02344 resp.trid = oseq; 02345 return send_request(p, p->sub, &resp, oseq); 02346 }
static int transmit_modify_request | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 2255 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().
02256 { 02257 struct mgcp_request resp; 02258 struct mgcp_endpoint *p = sub->parent; 02259 02260 if (ast_strlen_zero(sub->cxident)) { 02261 /* We don't have a CXident yet, store the destination and 02262 wait a bit */ 02263 return 0; 02264 } 02265 if (mgcpdebug) { 02266 ast_verbose(VERBOSE_PREFIX_3 "Modified %s@%s-%d with new mode: %s on callid: %s\n", 02267 p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode], sub->callid); 02268 } 02269 reqprep(&resp, p, "MDCX"); 02270 add_header(&resp, "C", sub->callid); 02271 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02272 /* X header should not be sent. kept for compatibility */ 02273 add_header(&resp, "X", sub->txident); 02274 add_header(&resp, "I", sub->cxident); 02275 switch (sub->parent->hookstate) { 02276 case MGCP_ONHOOK: 02277 add_header(&resp, "R", "L/hd(N)"); 02278 break; 02279 case MGCP_OFFHOOK: 02280 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)"); 02281 break; 02282 } 02283 /* fill in new fields */ 02284 resp.cmd = MGCP_CMD_MDCX; 02285 resp.trid = oseq; 02286 return send_request(p, sub, &resp, oseq); /* SC */ 02287 }
static int transmit_modify_with_sdp | ( | struct mgcp_subchannel * | sub, | |
struct ast_rtp * | rtp, | |||
int | codecs | |||
) | [static] |
Definition at line 2106 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().
02107 { 02108 struct mgcp_request resp; 02109 char local[256]; 02110 char tmp[80]; 02111 int x; 02112 int capability; 02113 struct mgcp_endpoint *p = sub->parent; 02114 02115 capability = p->capability; 02116 if (codecs) 02117 capability = codecs; 02118 if (ast_strlen_zero(sub->cxident) && rtp) { 02119 /* We don't have a CXident yet, store the destination and 02120 wait a bit */ 02121 ast_rtp_get_peer(rtp, &sub->tmpdest); 02122 return 0; 02123 } 02124 snprintf(local, sizeof(local), "p:20"); 02125 for (x=1;x<= AST_FORMAT_MAX_AUDIO; x <<= 1) { 02126 if (p->capability & x) { 02127 snprintf(tmp, sizeof(tmp), ", a:%s", ast_rtp_lookup_mime_subtype(1, x, 0)); 02128 strncat(local, tmp, sizeof(local) - strlen(local) - 1); 02129 } 02130 } 02131 reqprep(&resp, p, "MDCX"); 02132 add_header(&resp, "C", sub->callid); 02133 add_header(&resp, "L", local); 02134 add_header(&resp, "M", mgcp_cxmodes[sub->cxmode]); 02135 /* X header should not be sent. kept for compatibility */ 02136 add_header(&resp, "X", sub->txident); 02137 add_header(&resp, "I", sub->cxident); 02138 /*add_header(&resp, "S", "");*/ 02139 add_sdp(&resp, sub, rtp); 02140 /* fill in new fields */ 02141 resp.cmd = MGCP_CMD_MDCX; 02142 resp.trid = oseq; 02143 return send_request(p, sub, &resp, oseq); /* SC */ 02144 }
static int transmit_notify_request | ( | struct mgcp_subchannel * | sub, | |
char * | tone | |||
) | [static] |
Definition at line 2179 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().
02180 { 02181 struct mgcp_request resp; 02182 struct mgcp_endpoint *p = sub->parent; 02183 02184 if (mgcpdebug) { 02185 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02186 tone, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02187 } 02188 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02189 reqprep(&resp, p, "RQNT"); 02190 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02191 switch (p->hookstate) { 02192 case MGCP_ONHOOK: 02193 add_header(&resp, "R", "L/hd(N)"); 02194 break; 02195 case MGCP_OFFHOOK: 02196 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)"); 02197 break; 02198 } 02199 if (!ast_strlen_zero(tone)) { 02200 add_header(&resp, "S", tone); 02201 } 02202 /* fill in new fields */ 02203 resp.cmd = MGCP_CMD_RQNT; 02204 resp.trid = oseq; 02205 return send_request(p, NULL, &resp, oseq); /* SC */ 02206 }
static int transmit_notify_request_with_callerid | ( | struct mgcp_subchannel * | sub, | |
char * | tone, | |||
char * | callernum, | |||
char * | callername | |||
) | [static] |
Definition at line 2208 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().
02209 { 02210 struct mgcp_request resp; 02211 char tone2[256]; 02212 char *l, *n; 02213 time_t t; 02214 struct tm tm; 02215 struct mgcp_endpoint *p = sub->parent; 02216 02217 time(&t); 02218 ast_localtime(&t, &tm, NULL); 02219 n = callername; 02220 l = callernum; 02221 if (!n) 02222 n = ""; 02223 if (!l) 02224 l = ""; 02225 02226 /* Keep track of last callerid for blacklist and callreturn */ 02227 ast_copy_string(p->lastcallerid, l, sizeof(p->lastcallerid)); 02228 02229 snprintf(tone2, sizeof(tone2), "%s,L/ci(%02d/%02d/%02d/%02d,%s,%s)", tone, 02230 tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, l, n); 02231 ast_copy_string(p->curtone, tone, sizeof(p->curtone)); 02232 reqprep(&resp, p, "RQNT"); 02233 add_header(&resp, "X", p->rqnt_ident); /* SC */ 02234 switch (p->hookstate) { 02235 case MGCP_ONHOOK: 02236 add_header(&resp, "R", "L/hd(N)"); 02237 break; 02238 case MGCP_OFFHOOK: 02239 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)"); 02240 break; 02241 } 02242 if (!ast_strlen_zero(tone2)) { 02243 add_header(&resp, "S", tone2); 02244 } 02245 if (mgcpdebug) { 02246 ast_verbose(VERBOSE_PREFIX_3 "MGCP Asked to indicate tone: %s on %s@%s-%d in cxmode: %s\n", 02247 tone2, p->name, p->parent->name, sub->id, mgcp_cxmodes[sub->cxmode]); 02248 } 02249 /* fill in new fields */ 02250 resp.cmd = MGCP_CMD_RQNT; 02251 resp.trid = oseq; 02252 return send_request(p, NULL, &resp, oseq); /* SC */ 02253 }
static int transmit_response | ( | struct mgcp_subchannel * | sub, | |
char * | msg, | |||
struct mgcp_request * | req, | |||
char * | msgrest | |||
) | [static] |
Definition at line 1990 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().
01991 { 01992 struct mgcp_request resp; 01993 struct mgcp_endpoint *p = sub->parent; 01994 struct mgcp_response *mgr; 01995 01996 respprep(&resp, p, msg, req, msgrest); 01997 mgr = malloc(sizeof(struct mgcp_response) + resp.len + 1); 01998 if (mgr) { 01999 /* Store MGCP response in case we have to retransmit */ 02000 memset(mgr, 0, sizeof(struct mgcp_response)); 02001 sscanf(req->identifier, "%d", &mgr->seqno); 02002 time(&mgr->whensent); 02003 mgr->len = resp.len; 02004 memcpy(mgr->buf, resp.data, resp.len); 02005 mgr->buf[resp.len] = '\0'; 02006 mgr->next = p->parent->responses; 02007 p->parent->responses = mgr; 02008 } 02009 return send_response(sub, &resp); 02010 }
static int unalloc_sub | ( | struct mgcp_subchannel * | sub | ) | [static] |
Definition at line 462 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().
00463 { 00464 struct mgcp_endpoint *p = sub->parent; 00465 if (p->sub == sub) { 00466 ast_log(LOG_WARNING, "Trying to unalloc the real channel %s@%s?!?\n", p->name, p->parent->name); 00467 return -1; 00468 } 00469 ast_log(LOG_DEBUG, "Released sub %d of channel %s@%s\n", sub->id, p->name, p->parent->name); 00470 00471 sub->owner = NULL; 00472 if (!ast_strlen_zero(sub->cxident)) { 00473 transmit_connection_del(sub); 00474 } 00475 sub->cxident[0] = '\0'; 00476 sub->callid[0] = '\0'; 00477 sub->cxmode = MGCP_CX_INACTIVE; 00478 sub->outgoing = 0; 00479 sub->alreadygone = 0; 00480 memset(&sub->tmpdest, 0, sizeof(sub->tmpdest)); 00481 if (sub->rtp) { 00482 ast_rtp_destroy(sub->rtp); 00483 sub->rtp = NULL; 00484 } 00485 dump_cmd_queues(NULL, sub); /* SC */ 00486 return 0; 00487 }
static int unload_module | ( | void | ) | [static] |
Definition at line 4322 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().
04323 { 04324 struct mgcp_endpoint *e; 04325 struct mgcp_gateway *g; 04326 04327 /* Check to see if we're reloading */ 04328 if (ast_mutex_trylock(&mgcp_reload_lock)) { 04329 ast_log(LOG_WARNING, "MGCP is currently reloading. Unable to remove module.\n"); 04330 return -1; 04331 } else { 04332 mgcp_reloading = 1; 04333 ast_mutex_unlock(&mgcp_reload_lock); 04334 } 04335 04336 /* First, take us out of the channel loop */ 04337 ast_channel_unregister(&mgcp_tech); 04338 04339 /* Shut down the monitoring thread */ 04340 if (!ast_mutex_lock(&monlock)) { 04341 if (monitor_thread && (monitor_thread != AST_PTHREADT_STOP)) { 04342 pthread_cancel(monitor_thread); 04343 pthread_kill(monitor_thread, SIGURG); 04344 pthread_join(monitor_thread, NULL); 04345 } 04346 monitor_thread = AST_PTHREADT_STOP; 04347 ast_mutex_unlock(&monlock); 04348 } else { 04349 ast_log(LOG_WARNING, "Unable to lock the monitor\n"); 04350 /* We always want to leave this in a consistent state */ 04351 ast_channel_register(&mgcp_tech); 04352 mgcp_reloading = 0; 04353 mgcp_reload(0, 0, NULL); 04354 return -1; 04355 } 04356 04357 if (!ast_mutex_lock(&gatelock)) { 04358 for (g = gateways; g; g = g->next) { 04359 g->delme = 1; 04360 for (e = g->endpoints; e; e = e->next) 04361 e->delme = 1; 04362 } 04363 04364 prune_gateways(); 04365 ast_mutex_unlock(&gatelock); 04366 } else { 04367 ast_log(LOG_WARNING, "Unable to lock the gateways list.\n"); 04368 /* We always want to leave this in a consistent state */ 04369 ast_channel_register(&mgcp_tech); 04370 /* Allow the monitor to restart */ 04371 monitor_thread = AST_PTHREADT_NULL; 04372 mgcp_reloading = 0; 04373 mgcp_reload(0, 0, NULL); 04374 return -1; 04375 } 04376 04377 close(mgcpsock); 04378 ast_rtp_proto_unregister(&mgcp_rtp); 04379 ast_cli_unregister_multiple(cli_mgcp, sizeof(cli_mgcp) / sizeof(struct ast_cli_entry)); 04380 sched_context_destroy(sched); 04381 04382 return 0; 04383 }
struct in_addr __ourip [static] |
Definition at line 224 of file chan_mgcp.c.
char accountcode[AST_MAX_ACCOUNT_CODE] = "" [static] |
Definition at line 189 of file chan_mgcp.c.
int adsi = 0 [static] |
Definition at line 195 of file chan_mgcp.c.
int amaflags = 0 [static] |
Definition at line 193 of file chan_mgcp.c.
char audit_endpoint_usage[] [static] |
Initial value:
"Usage: mgcp audit endpoint <endpointid>\n" " Lists the capabilities of an endpoint in the MGCP (Media Gateway Control Protocol) subsystem.\n" " mgcp debug MUST be on to see the results of this command.\n"
Definition at line 1050 of file chan_mgcp.c.
struct sockaddr_in bindaddr [static] |
Definition at line 409 of file chan_mgcp.c.
int callreturn = 0 [static] |
Definition at line 174 of file chan_mgcp.c.
int callwaiting = 0 [static] |
Definition at line 172 of file chan_mgcp.c.
int cancallforward = 0 [static] |
Definition at line 183 of file chan_mgcp.c.
int canreinvite = CANREINVITE [static] |
Definition at line 187 of file chan_mgcp.c.
int capability = AST_FORMAT_ULAW [static] |
Definition at line 220 of file chan_mgcp.c.
Referenced by add_sdp(), build_setup(), iax2_call(), parse_setup(), set_config(), and set_local_capabilities().
char cid_name[AST_MAX_EXTENSION] = "" [static] |
Definition at line 160 of file chan_mgcp.c.
Referenced by __oh323_new(), action_devstate(), build_peer(), build_user(), check_access(), check_user_full(), dial_trunk(), misdn_new(), sip_call(), sla_ring_station(), and zt_handle_event().
char cid_num[AST_MAX_EXTENSION] = "" [static] |
Definition at line 159 of file chan_mgcp.c.
Referenced by __oh323_new(), action_devstate(), 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 1139 of file chan_mgcp.c.
const char config[] = "mgcp.conf" [static] |
Definition at line 113 of file chan_mgcp.c.
char context[AST_MAX_EXTENSION] = "default" [static] |
Definition at line 155 of file chan_mgcp.c.
ast_group_t cur_callergroup = 0 [static] |
Definition at line 165 of file chan_mgcp.c.
ast_group_t cur_pickupgroup = 0 [static] |
Definition at line 166 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 1055 of file chan_mgcp.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled
Definition at line 103 of file chan_mgcp.c.
int dtmfmode = 0 [static] |
int firstdigittimeout = 16000 [static] |
Wait up to 16 seconds for first digit (FXO logic)
Definition at line 200 of file chan_mgcp.c.
Referenced by disa_exec().
struct mgcp_gateway * gateways [static] |
int gendigittimeout = 8000 [static] |
How long to wait for following digits (FXO logic)
Definition at line 203 of file chan_mgcp.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 110 of file chan_mgcp.c.
int immediate = 0 [static] |
Definition at line 170 of file chan_mgcp.c.
struct io_context* io [static] |
Definition at line 230 of file chan_mgcp.c.
char language[MAX_LANGUAGE] = "" [static] |
Definition at line 157 of file chan_mgcp.c.
char mailbox[AST_MAX_EXTENSION] [static] |
Definition at line 191 of file chan_mgcp.c.
Referenced by action_mailboxcount(), action_mailboxstatus(), build_peer(), disa_exec(), and realtime_directory().
int matchdigittimeout = 3000 [static] |
How long to wait for an extra digit, if there is an ambiguous match
Definition at line 206 of file chan_mgcp.c.
char* mgcp_cxmodes[] [static] |
}
Definition at line 135 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 1063 of file chan_mgcp.c.
int mgcp_reloading = 0 [static] |
Definition at line 402 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 3975 of file chan_mgcp.c.
struct ast_channel_tech mgcp_tech [static] |
Definition at line 438 of file chan_mgcp.c.
int mgcpdebug = 0 [static] |
Definition at line 227 of file chan_mgcp.c.
int mgcpsock = -1 [static] |
Definition at line 407 of file chan_mgcp.c.
int* mgcpsock_read_id = NULL [static] |
Definition at line 3397 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 216 of file chan_mgcp.c.
char musicclass[MAX_MUSICCLASS] = "" [static] |
Definition at line 158 of file chan_mgcp.c.
Referenced by ast_do_masquerade(), begin_dial(), func_channel_write(), gtalk_new(), moh2_exec(), moh_write(), and read_config().
int nat = 0 [static] |
Definition at line 163 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 1059 of file chan_mgcp.c.
int nonCodecCapability = AST_RTP_DTMF [static] |
Definition at line 221 of file chan_mgcp.c.
unsigned int oseq [static] |
Definition at line 197 of file chan_mgcp.c.
char ourhost[MAXHOSTNAMELEN] [static] |
int ourport [static] |
Definition at line 225 of file chan_mgcp.c.
Referenced by build_contact(), build_via(), initreqprep(), and reload_config().
struct sched_context* sched [static] |
Definition at line 229 of file chan_mgcp.c.
char show_endpoints_usage[] [static] |
Initial value:
"Usage: mgcp show endpoints\n" " Lists all endpoints known to the MGCP (Media Gateway Control Protocol) subsystem.\n"
Definition at line 1046 of file chan_mgcp.c.
int singlepath = 0 [static] |
Definition at line 185 of file chan_mgcp.c.
int slowsequence = 0 [static] |
Definition at line 176 of file chan_mgcp.c.
const char tdesc[] = "Media Gateway Control Protocol (MGCP)" [static] |
Definition at line 112 of file chan_mgcp.c.
int threewaycalling = 0 [static] |
Definition at line 178 of file chan_mgcp.c.
int tos = 0 [static] |
Definition at line 168 of file chan_mgcp.c.
int transfer = 0 [static] |
This is for flashhook transfers
Definition at line 181 of file chan_mgcp.c.
Referenced by leave_voicemail(), and send_packet().