This file is part of the chan_h323 driver for Asterisk. More...
#include "asterisk.h"
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/signal.h>
#include <sys/param.h>
#include <arpa/inet.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netdb.h>
#include <fcntl.h>
#include "asterisk/lock.h"
#include "asterisk/channel.h"
#include "asterisk/config.h"
#include "asterisk/module.h"
#include "asterisk/musiconhold.h"
#include "asterisk/pbx.h"
#include "asterisk/utils.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/dsp.h"
#include "asterisk/causes.h"
#include "asterisk/stringfields.h"
#include "asterisk/abstract_jb.h"
#include "asterisk/astobj.h"
#include "h323/chan_h323.h"
Go to the source code of this file.
Data Structures | |
struct | h323_alias_list |
H323 alias list. More... | |
struct | h323_peer_list |
H323 peer list. More... | |
struct | h323_user_list |
H323 User list. More... | |
struct | oh323_pvt |
Private structure of a OpenH323 channel. More... | |
Defines | |
#define | GLOBAL_CAPABILITY (AST_FORMAT_G723_1 | AST_FORMAT_GSM | AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_G729A | AST_FORMAT_G726_AAL2 | AST_FORMAT_H261) |
Functions | |
static void | __oh323_destroy (struct oh323_pvt *pvt) |
static struct ast_channel * | __oh323_new (struct oh323_pvt *pvt, int state, const char *host) |
Private structure should be locked on a call. | |
static int | __oh323_rtp_create (struct oh323_pvt *pvt) |
static void | __oh323_update_info (struct ast_channel *c, struct oh323_pvt *pvt) |
Channel and private structures should be already locked. | |
static void | __reg_module (void) |
static void | __unreg_module (void) |
static int | answer_call (unsigned call_reference, const char *token) |
Call-back function to start PBX when OpenH323 ready to serve incoming call. | |
static struct oh323_alias * | build_alias (const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime) |
static struct oh323_peer * | build_peer (const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime) |
static struct oh323_user * | build_user (const char *name, struct ast_variable *v, struct ast_variable *alt, int realtime) |
static void | chan_ringing (unsigned call_reference, const char *token) |
Call-back function to signal asterisk that the channel is ringing Returns nothing. | |
static void | cleanup_call_details (call_details_t *cd) |
static void | cleanup_connection (unsigned call_reference, const char *call_token) |
Call-back function to cleanup communication Returns nothing,. | |
static void | connection_made (unsigned call_reference, const char *token) |
Call-back function to signal asterisk that the channel has been answered Returns nothing. | |
static char * | convertcap (int cap) |
static int | create_addr (struct oh323_pvt *pvt, char *opeer) |
static void | delete_aliases (void) |
static void | delete_users (void) |
static void * | do_monitor (void *data) |
static struct rtp_info * | external_rtp_create (unsigned call_reference, const char *token) |
Callback function used to inform the H.323 stack of the local rtp ip/port details. | |
static struct oh323_alias * | find_alias (const char *source_aliases, int realtime) |
Find a call by alias. | |
static struct oh323_pvt * | find_call_locked (int call_reference, const char *token) |
static struct oh323_peer * | find_peer (const char *peer, struct sockaddr_in *sin, int realtime) |
static struct oh323_user * | find_user (const call_details_t *cd, int realtime) |
static int | h323_do_reload (void) |
static int | h323_reload (void) |
static char * | handle_cli_h323_cycle_gk (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_hangup (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_reload (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_set_debug (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_set_trace (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_show_tokens (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static char * | handle_cli_h323_show_version (struct ast_cli_entry *e, int cmd, struct ast_cli_args *a) |
static void | hangup_connection (unsigned int call_reference, const char *token, int cause) |
static enum ast_module_load_result | load_module (void) |
static int | oh323_addrcmp (struct sockaddr_in addr, struct sockaddr_in *sin) |
static int | oh323_addrcmp_str (struct in_addr inaddr, char *addr) |
static struct oh323_pvt * | oh323_alloc (int callid) |
static int | oh323_answer (struct ast_channel *c) |
static int | oh323_call (struct ast_channel *c, char *dest, int timeout) |
Make a call over the specified channel to the specified destination. Returns -1 on error, 0 on success. | |
static void | oh323_destroy (struct oh323_pvt *pvt) |
static void | oh323_destroy_alias (struct oh323_alias *alias) |
static void | oh323_destroy_peer (struct oh323_peer *peer) |
static void | oh323_destroy_user (struct oh323_user *user) |
static int | oh323_digit_begin (struct ast_channel *c, char digit) |
static int | oh323_digit_end (struct ast_channel *c, char digit, unsigned int duration) |
Send (play) the specified digit to the channel. | |
static int | oh323_fixup (struct ast_channel *oldchan, struct ast_channel *newchan) |
static enum ast_rtp_get_result | oh323_get_rtp_peer (struct ast_channel *chan, struct ast_rtp **rtp) |
static enum ast_rtp_get_result | oh323_get_vrtp_peer (struct ast_channel *chan, struct ast_rtp **rtp) |
static int | oh323_hangup (struct ast_channel *c) |
static int | oh323_indicate (struct ast_channel *c, int condition, const void *data, size_t datalen) |
static struct ast_frame * | oh323_read (struct ast_channel *c) |
static struct ast_channel * | oh323_request (const char *type, int format, void *data, int *cause) |
static struct ast_frame * | oh323_rtp_read (struct oh323_pvt *pvt) |
Retrieve audio/etc from channel. Assumes pvt->lock is already held. | |
static int | oh323_set_rtp_peer (struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp, struct ast_rtp *trtp, int codecs, int nat_active) |
static int | oh323_simulate_dtmf_end (const void *data) |
static void | oh323_update_info (struct ast_channel *c) |
Only channel structure should be locked. | |
static int | oh323_write (struct ast_channel *c, struct ast_frame *frame) |
static int | progress (unsigned call_reference, const char *token, int inband) |
static void | prune_peers (void) |
static struct oh323_alias * | realtime_alias (const char *alias) |
static struct oh323_peer * | realtime_peer (const char *peername, struct sockaddr_in *sin) |
static struct oh323_user * | realtime_user (const call_details_t *cd) |
static int | receive_digit (unsigned call_reference, char digit, const char *token, int duration) |
Callback for sending digits from H.323 up to asterisk. | |
static const char * | redirectingreason2str (int redirectingreason) |
static int | reload (void) |
static int | reload_config (int is_reload) |
static void | remote_hold (unsigned call_reference, const char *token, int is_hold) |
static int | restart_monitor (void) |
static void | set_dtmf_payload (unsigned call_reference, const char *token, int payload, int is_cisco) |
static void | set_local_capabilities (unsigned call_reference, const char *token) |
static void | set_peer_capabilities (unsigned call_reference, const char *token, int capabilities, struct ast_codec_pref *prefs) |
static call_options_t * | setup_incoming_call (call_details_t *cd) |
Call-back function for incoming calls. | |
static int | setup_outgoing_call (call_details_t *cd) |
Call-back function to establish an outgoing H.323 call. | |
static void | setup_rtp_connection (unsigned call_reference, const char *remoteIp, int remotePort, const char *token, int pt) |
Call-back function passing remote ip/port information from H.323 to asterisk. | |
static int | unload_module (void) |
static int | update_common_options (struct ast_variable *v, struct call_options *options) |
static int | update_state (struct oh323_pvt *pvt, int state, int signal) |
Variables | |
static struct ast_module_info __MODULE_INFO_SECTION | __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "The NuFone Network's OpenH323 Channel Driver" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } |
static int | acceptAnonymous = 1 |
static struct h323_alias_list | aliasl |
static struct ast_module_info * | ast_module_info = &__mod_info |
static struct sockaddr_in | bindaddr |
static ast_mutex_t | caplock = AST_MUTEX_INIT_VALUE |
Protect the H.323 capabilities list, to avoid more than one channel to set the capabilities simultaneaously in the h323 stack. | |
static struct ast_cli_entry | cli_h323 [] |
static struct ast_cli_entry | cli_h323_reload |
static const char | config [] = "h323.conf" |
static unsigned int | cos = 0 |
static char | default_context [AST_MAX_CONTEXT] = "default" |
static struct ast_jb_conf | default_jbconf |
Global jitterbuffer configuration - by default, jb is disabled. | |
static char | gatekeeper [100] |
static int | gatekeeper_disable = 1 |
static int | gatekeeper_discover = 0 |
static int | gkroute = 0 |
static struct ast_jb_conf | global_jbconf |
static call_options_t | global_options |
static ast_mutex_t | h323_reload_lock = AST_MUTEX_INIT_VALUE |
Protect the reload process. | |
static int | h323_reloading = 0 |
static int | h323_signalling_port = 1720 |
int | h323debug |
struct oh323_pvt * | iflist |
static ast_mutex_t | iflock = AST_MUTEX_INIT_VALUE |
static struct io_context * | io |
static pthread_t | monitor_thread = AST_PTHREADT_NULL |
This is the thread for the monitor which checks for input on the channels which are not currently in use. | |
static ast_mutex_t | monlock = AST_MUTEX_INIT_VALUE |
Protect the H.323 monitoring thread, so only one process can kill or start it, and not when it's doing something critical. | |
static struct ast_rtp_protocol | oh323_rtp |
static struct ast_channel_tech | oh323_tech |
answer_call_cb | on_answer_call |
chan_ringing_cb | on_chan_ringing |
clear_con_cb | on_connection_cleared |
con_established_cb | on_connection_established |
on_rtp_cb | on_external_rtp_create |
hangup_cb | on_hangup |
onhold_cb | on_hold |
setup_incoming_cb | on_incoming_call |
setup_outbound_cb | on_outgoing_call |
progress_cb | on_progress |
receive_digit_cb | on_receive_digit |
rfc2833_cb | on_set_rfc2833_payload |
setcapabilities_cb | on_setcapabilities |
setpeercapabilities_cb | on_setpeercapabilities |
start_rtp_cb | on_start_rtp_channel |
static struct h323_peer_list | peerl |
static struct sched_context * | sched |
static char | secret [50] |
static const char | tdesc [] = "The NuFone Network's Open H.323 Channel Driver" |
static unsigned int | tos = 0 |
static unsigned int | unique = 0 |
static int | userbyalias = 1 |
static struct h323_user_list | userl |
This file is part of the chan_h323 driver for Asterisk.
Definition in file chan_h323.c.
#define GLOBAL_CAPABILITY (AST_FORMAT_G723_1 | AST_FORMAT_GSM | AST_FORMAT_ULAW | AST_FORMAT_ALAW | AST_FORMAT_G729A | AST_FORMAT_G726_AAL2 | AST_FORMAT_H261) |
Definition at line 132 of file chan_h323.c.
Referenced by reload_config().
static void __oh323_destroy | ( | struct oh323_pvt * | pvt | ) | [static] |
Definition at line 443 of file chan_h323.c.
References ast_channel_lock, ast_channel_unlock, ast_debug, ast_dsp_free(), ast_free, ast_log(), ast_mutex_destroy(), ast_mutex_unlock(), ast_rtp_destroy(), AST_SCHED_DEL, oh323_pvt::cd, cleanup_call_details(), oh323_pvt::DTMFsched, iflist, oh323_pvt::lock, LOG_WARNING, ast_channel::name, oh323_pvt::next, oh323_pvt::owner, oh323_pvt::rtp, ast_channel::tech_pvt, and oh323_pvt::vad.
Referenced by do_monitor(), and oh323_destroy().
{ struct oh323_pvt *cur, *prev = NULL; AST_SCHED_DEL(sched, pvt->DTMFsched); if (pvt->rtp) { ast_rtp_destroy(pvt->rtp); } /* Free dsp used for in-band DTMF detection */ if (pvt->vad) { ast_dsp_free(pvt->vad); } cleanup_call_details(&pvt->cd); /* Unlink us from the owner if we have one */ if (pvt->owner) { ast_channel_lock(pvt->owner); if (h323debug) ast_debug(1, "Detaching from %s\n", pvt->owner->name); pvt->owner->tech_pvt = NULL; ast_channel_unlock(pvt->owner); } cur = iflist; while(cur) { if (cur == pvt) { if (prev) prev->next = cur->next; else iflist = cur->next; break; } prev = cur; cur = cur->next; } if (!cur) { ast_log(LOG_WARNING, "%p is not in list?!?! \n", cur); } else { ast_mutex_unlock(&pvt->lock); ast_mutex_destroy(&pvt->lock); ast_free(pvt); } }
static struct ast_channel* __oh323_new | ( | struct oh323_pvt * | pvt, |
int | state, | ||
const char * | host | ||
) | [static, read] |
Private structure should be locked on a call.
Definition at line 1003 of file chan_h323.c.
References __oh323_rtp_create(), accountcode, oh323_pvt::accountcode, ast_channel::amaflags, oh323_pvt::amaflags, ast_best_codec(), ast_channel_alloc(), ast_channel_set_fd(), ast_codec_choose(), ast_copy_string(), ast_dsp_new(), ast_dsp_set_features(), ast_hangup(), ast_log(), ast_module_ref(), ast_mutex_lock(), ast_mutex_unlock(), ast_pbx_start(), ast_rtcp_fd(), ast_rtp_fd(), AST_STATE_DOWN, AST_STATE_RING, ast_strdup, ast_string_field_set, ast_strlen_zero(), ast_udptl_fd(), oh323_pvt::cd, ast_channel::cid, ast_callerid::cid_ani, ast_callerid::cid_dnid, cid_name, cid_num, ast_callerid::cid_pres, ast_callerid::cid_rdnis, ast_callerid::cid_ton, ast_channel::context, oh323_pvt::context, DSP_FEATURE_DIGIT_DETECT, ast_channel::exten, oh323_pvt::exten, oh323_pvt::jointcapability, oh323_pvt::lock, LOG_WARNING, ast_channel::name, oh323_pvt::nativeformats, ast_channel::nativeformats, oh323_tech, oh323_pvt::options, oh323_pvt::owner, pbx_builtin_setvar_helper(), ast_channel::priority, ast_channel::rawreadformat, ast_channel::rawwriteformat, ast_channel::readformat, redirectingreason2str(), ast_channel::rings, oh323_pvt::rtp, ast_module_info::self, ast_channel::tech, ast_channel::tech_pvt, ast_channel::transfercapability, oh323_pvt::vad, and ast_channel::writeformat.
Referenced by answer_call(), and oh323_request().
{ struct ast_channel *ch; char *cid_num, *cid_name; int fmt; if (!ast_strlen_zero(pvt->options.cid_num)) cid_num = pvt->options.cid_num; else cid_num = pvt->cd.call_source_e164; if (!ast_strlen_zero(pvt->options.cid_name)) cid_name = pvt->options.cid_name; else cid_name = pvt->cd.call_source_name; /* Don't hold a oh323_pvt lock while we allocate a chanel */ ast_mutex_unlock(&pvt->lock); ch = ast_channel_alloc(1, state, cid_num, cid_name, pvt->accountcode, pvt->exten, pvt->context, pvt->amaflags, "H323/%s", host); /* Update usage counter */ ast_module_ref(ast_module_info->self); ast_mutex_lock(&pvt->lock); if (ch) { ch->tech = &oh323_tech; if (!(fmt = pvt->jointcapability) && !(fmt = pvt->options.capability)) fmt = global_options.capability; ch->nativeformats = ast_codec_choose(&pvt->options.prefs, fmt, 1)/* | (pvt->jointcapability & AST_FORMAT_VIDEO_MASK)*/; pvt->nativeformats = ch->nativeformats; fmt = ast_best_codec(ch->nativeformats); ch->writeformat = fmt; ch->rawwriteformat = fmt; ch->readformat = fmt; ch->rawreadformat = fmt; if (!pvt->rtp) __oh323_rtp_create(pvt); #if 0 ast_channel_set_fd(ch, 0, ast_rtp_fd(pvt->rtp)); ast_channel_set_fd(ch, 1, ast_rtcp_fd(pvt->rtp)); #endif #ifdef VIDEO_SUPPORT if (pvt->vrtp) { ast_channel_set_fd(ch, 2, ast_rtp_fd(pvt->vrtp)); ast_channel_set_fd(ch, 3, ast_rtcp_fd(pvt->vrtp)); } #endif #ifdef T38_SUPPORT if (pvt->udptl) { ast_channel_set_fd(ch, 4, ast_udptl_fd(pvt->udptl)); } #endif if (state == AST_STATE_RING) { ch->rings = 1; } /* Allocate dsp for in-band DTMF support */ if (pvt->options.dtmfmode & H323_DTMF_INBAND) { pvt->vad = ast_dsp_new(); ast_dsp_set_features(pvt->vad, DSP_FEATURE_DIGIT_DETECT); } /* Register channel functions. */ ch->tech_pvt = pvt; /* Set the owner of this channel */ pvt->owner = ch; ast_copy_string(ch->context, pvt->context, sizeof(ch->context)); ast_copy_string(ch->exten, pvt->exten, sizeof(ch->exten)); ch->priority = 1; if (!ast_strlen_zero(pvt->accountcode)) { ast_string_field_set(ch, accountcode, pvt->accountcode); } if (pvt->amaflags) { ch->amaflags = pvt->amaflags; } /* Don't use ast_set_callerid() here because it will * generate a needless NewCallerID event */ ch->cid.cid_ani = ast_strdup(cid_num); if (pvt->cd.redirect_reason >= 0) { ch->cid.cid_rdnis = ast_strdup(pvt->cd.redirect_number); pbx_builtin_setvar_helper(ch, "PRIREDIRECTREASON", redirectingreason2str(pvt->cd.redirect_reason)); } ch->cid.cid_pres = pvt->cd.presentation; ch->cid.cid_ton = pvt->cd.type_of_number; if (!ast_strlen_zero(pvt->exten) && strcmp(pvt->exten, "s")) { ch->cid.cid_dnid = ast_strdup(pvt->exten); } if (pvt->cd.transfer_capability >= 0) ch->transfercapability = pvt->cd.transfer_capability; if (state != AST_STATE_DOWN) { if (ast_pbx_start(ch)) { ast_log(LOG_WARNING, "Unable to start PBX on %s\n", ch->name); ast_hangup(ch); ch = NULL; } } } else { ast_log(LOG_WARNING, "Unable to allocate channel structure\n"); } return ch; }
static int __oh323_rtp_create | ( | struct oh323_pvt * | pvt | ) | [static] |
Definition at line 955 of file chan_h323.c.
References ast_channel_set_fd(), ast_channel_trylock, ast_channel_unlock, ast_debug, ast_find_ourip(), ast_jb_configure(), ast_log(), ast_mutex_unlock(), ast_null_frame, ast_queue_frame(), ast_rtcp_fd(), ast_rtp_codec_setpref(), ast_rtp_fd(), ast_rtp_new_with_bindaddr(), ast_rtp_set_rtpmap_type(), ast_rtp_setnat(), ast_rtp_setqos(), bindaddr, oh323_pvt::dtmf_pt, errno, global_jbconf, oh323_pvt::lock, LOG_ERROR, LOG_WARNING, oh323_pvt::options, oh323_pvt::owner, oh323_pvt::peer_prefs, oh323_pvt::peercapability, oh323_pvt::rtp, and oh323_pvt::update_rtp_info.
Referenced by __oh323_new(), external_rtp_create(), and setup_rtp_connection().
{ struct in_addr our_addr; if (pvt->rtp) return 0; if (ast_find_ourip(&our_addr, bindaddr)) { ast_mutex_unlock(&pvt->lock); ast_log(LOG_ERROR, "Unable to locate local IP address for RTP stream\n"); return -1; } pvt->rtp = ast_rtp_new_with_bindaddr(sched, io, 1, 0, our_addr); if (!pvt->rtp) { ast_mutex_unlock(&pvt->lock); ast_log(LOG_WARNING, "Unable to create RTP session: %s\n", strerror(errno)); return -1; } if (h323debug) ast_debug(1, "Created RTP channel\n"); ast_rtp_setqos(pvt->rtp, tos, cos, "H323 RTP"); if (h323debug) ast_debug(1, "Setting NAT on RTP to %d\n", pvt->options.nat); ast_rtp_setnat(pvt->rtp, pvt->options.nat); if (pvt->dtmf_pt[0] > 0) ast_rtp_set_rtpmap_type(pvt->rtp, pvt->dtmf_pt[0], "audio", "telephone-event", 0); if (pvt->dtmf_pt[1] > 0) ast_rtp_set_rtpmap_type(pvt->rtp, pvt->dtmf_pt[1], "audio", "cisco-telephone-event", 0); if (pvt->peercapability) ast_rtp_codec_setpref(pvt->rtp, &pvt->peer_prefs); if (pvt->owner && !ast_channel_trylock(pvt->owner)) { ast_jb_configure(pvt->owner, &global_jbconf); ast_channel_set_fd(pvt->owner, 0, ast_rtp_fd(pvt->rtp)); ast_channel_set_fd(pvt->owner, 1, ast_rtcp_fd(pvt->rtp)); ast_queue_frame(pvt->owner, &ast_null_frame); /* Tell Asterisk to apply changes */ ast_channel_unlock(pvt->owner); } else pvt->update_rtp_info = 1; return 0; }
static void __oh323_update_info | ( | struct ast_channel * | c, |
struct oh323_pvt * | pvt | ||
) | [static] |
Channel and private structures should be already locked.
Definition at line 332 of file chan_h323.c.
References ast_channel::_softhangup, ast_channel_set_fd(), ast_debug, AST_FRAME_DTMF_BEGIN, AST_FRAME_DTMF_END, ast_jb_configure(), ast_log(), ast_null_frame, ast_queue_control(), ast_queue_frame(), ast_queue_hangup_with_cause(), ast_rtcp_fd(), ast_rtp_fd(), ast_sched_add(), AST_SCHED_DEL, ast_set_read_format(), ast_set_write_format(), ast_setstate(), AST_SOFTHANGUP_DEV, oh323_pvt::curDTMF, oh323_pvt::DTMFsched, ast_frame::frametype, global_jbconf, oh323_pvt::hangupcause, ast_channel::hangupcause, LOG_DTMF, ast_channel::name, oh323_pvt::nativeformats, ast_channel::nativeformats, oh323_pvt::needhangup, oh323_pvt::newcontrol, oh323_pvt::newdigit, oh323_pvt::newduration, oh323_pvt::newstate, oh323_simulate_dtmf_end(), oh323_pvt::owner, ast_channel::readformat, oh323_pvt::rtp, ast_frame::subclass, oh323_pvt::update_rtp_info, and ast_channel::writeformat.
Referenced by oh323_read(), oh323_update_info(), and oh323_write().
{ if (c->nativeformats != pvt->nativeformats) { if (h323debug) ast_debug(1, "Preparing %s for new native format\n", c->name); c->nativeformats = pvt->nativeformats; ast_set_read_format(c, c->readformat); ast_set_write_format(c, c->writeformat); } if (pvt->needhangup) { if (h323debug) ast_debug(1, "Process pending hangup for %s\n", c->name); c->_softhangup |= AST_SOFTHANGUP_DEV; c->hangupcause = pvt->hangupcause; ast_queue_hangup_with_cause(c, pvt->hangupcause); pvt->needhangup = 0; pvt->newstate = pvt->newcontrol = pvt->newdigit = pvt->DTMFsched = -1; } if (pvt->newstate >= 0) { ast_setstate(c, pvt->newstate); pvt->newstate = -1; } if (pvt->newcontrol >= 0) { ast_queue_control(c, pvt->newcontrol); pvt->newcontrol = -1; } if (pvt->newdigit >= 0) { struct ast_frame f = { .frametype = AST_FRAME_DTMF_END, .subclass = pvt->newdigit, .samples = pvt->newduration * 8, .len = pvt->newduration, .src = "UPDATE_INFO", }; if (pvt->newdigit == ' ') { /* signalUpdate message */ f.subclass = pvt->curDTMF; if (pvt->DTMFsched >= 0) { AST_SCHED_DEL(sched, pvt->DTMFsched); } } else { /* Regular input or signal message */ if (pvt->newduration) { /* This is a signal, signalUpdate follows */ f.frametype = AST_FRAME_DTMF_BEGIN; AST_SCHED_DEL(sched, pvt->DTMFsched); pvt->DTMFsched = ast_sched_add(sched, pvt->newduration, oh323_simulate_dtmf_end, pvt); if (h323debug) ast_log(LOG_DTMF, "Scheduled DTMF END simulation for %d ms, id=%d\n", pvt->newduration, pvt->DTMFsched); } pvt->curDTMF = pvt->newdigit; } ast_queue_frame(c, &f); pvt->newdigit = -1; } if (pvt->update_rtp_info > 0) { if (pvt->rtp) { ast_jb_configure(c, &global_jbconf); ast_channel_set_fd(c, 0, ast_rtp_fd(pvt->rtp)); ast_channel_set_fd(c, 1, ast_rtcp_fd(pvt->rtp)); ast_queue_frame(pvt->owner, &ast_null_frame); /* Tell Asterisk to apply changes */ } pvt->update_rtp_info = -1; } }
static void __reg_module | ( | void | ) | [static] |
Definition at line 3407 of file chan_h323.c.
static void __unreg_module | ( | void | ) | [static] |
Definition at line 3407 of file chan_h323.c.
static int answer_call | ( | unsigned | call_reference, |
const char * | token | ||
) | [static] |
Call-back function to start PBX when OpenH323 ready to serve incoming call.
Returns 1 on success
Definition at line 2224 of file chan_h323.c.
References __oh323_new(), AST_CAUSE_UNALLOCATED, ast_copy_string(), ast_debug, ast_exists_extension(), ast_log(), ast_mutex_unlock(), AST_STATE_RINGING, oh323_pvt::cd, oh323_pvt::context, oh323_pvt::exten, find_call_locked(), oh323_pvt::lock, LOG_ERROR, and LOG_NOTICE.
Referenced by load_module().
{ struct oh323_pvt *pvt; struct ast_channel *c = NULL; enum {ext_original, ext_s, ext_i, ext_notexists} try_exten; char tmp_exten[sizeof(pvt->exten)]; if (h323debug) ast_debug(1, "Preparing Asterisk to answer for %s\n", token); /* Find the call or allocate a private structure if call not found */ pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Something is wrong: answer_call\n"); return 0; } /* Check if requested extension@context pair exists in the dialplan */ ast_copy_string(tmp_exten, pvt->exten, sizeof(tmp_exten)); /* Try to find best extension in specified context */ if ((tmp_exten[0] != '\0') && (tmp_exten[1] == '\0')) { if (tmp_exten[0] == 's') try_exten = ext_s; else if (tmp_exten[0] == 'i') try_exten = ext_i; else try_exten = ext_original; } else try_exten = ext_original; do { if (ast_exists_extension(NULL, pvt->context, tmp_exten, 1, NULL)) break; switch (try_exten) { case ext_original: tmp_exten[0] = 's'; tmp_exten[1] = '\0'; try_exten = ext_s; break; case ext_s: tmp_exten[0] = 'i'; try_exten = ext_i; break; case ext_i: try_exten = ext_notexists; break; default: break; } } while (try_exten != ext_notexists); /* Drop the call if we don't have <exten>, s and i extensions */ if (try_exten == ext_notexists) { ast_log(LOG_NOTICE, "Dropping call because extensions '%s', 's' and 'i' doesn't exists in context [%s]\n", pvt->exten, pvt->context); ast_mutex_unlock(&pvt->lock); h323_clear_call(token, AST_CAUSE_UNALLOCATED); return 0; } else if ((try_exten != ext_original) && (strcmp(pvt->exten, tmp_exten) != 0)) { if (h323debug) ast_debug(1, "Going to extension %s@%s because %s@%s isn't exists\n", tmp_exten, pvt->context, pvt->exten, pvt->context); ast_copy_string(pvt->exten, tmp_exten, sizeof(pvt->exten)); } /* allocate a channel and tell asterisk about it */ c = __oh323_new(pvt, AST_STATE_RINGING, pvt->cd.call_token); /* And release when done */ ast_mutex_unlock(&pvt->lock); if (!c) { ast_log(LOG_ERROR, "Couldn't create channel. This is bad\n"); return 0; } return 1; }
static struct oh323_alias* build_alias | ( | const char * | name, |
struct ast_variable * | v, | ||
struct ast_variable * | alt, | ||
int | realtime | ||
) | [static, read] |
Definition at line 1195 of file chan_h323.c.
References aliasl, ast_calloc, ast_copy_string(), ast_log(), ASTOBJ_CONTAINER_FIND_UNLINK_FULL, ASTOBJ_INIT, ASTOBJ_UNMARK, LOG_WARNING, ast_variable::name, ast_variable::next, and ast_variable::value.
Referenced by realtime_alias(), and reload_config().
{ struct oh323_alias *alias; int found = 0; alias = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&aliasl, name, name, 0, 0, strcasecmp); if (alias) found++; else { if (!(alias = ast_calloc(1, sizeof(*alias)))) return NULL; ASTOBJ_INIT(alias); } if (!found && name) ast_copy_string(alias->name, name, sizeof(alias->name)); for (; v || ((v = alt) && !(alt = NULL)); v = v->next) { if (!strcasecmp(v->name, "e164")) { ast_copy_string(alias->e164, v->value, sizeof(alias->e164)); } else if (!strcasecmp(v->name, "prefix")) { ast_copy_string(alias->prefix, v->value, sizeof(alias->prefix)); } else if (!strcasecmp(v->name, "context")) { ast_copy_string(alias->context, v->value, sizeof(alias->context)); } else if (!strcasecmp(v->name, "secret")) { ast_copy_string(alias->secret, v->value, sizeof(alias->secret)); } else { if (strcasecmp(v->value, "h323")) { ast_log(LOG_WARNING, "Keyword %s does not make sense in type=h323\n", v->name); } } } ASTOBJ_UNMARK(alias); return alias; }
static struct oh323_peer* build_peer | ( | const char * | name, |
struct ast_variable * | v, | ||
struct ast_variable * | alt, | ||
int | realtime | ||
) | [static, read] |
Definition at line 1482 of file chan_h323.c.
References ast_append_ha(), ast_calloc, ast_copy_string(), ast_free_ha(), ast_get_ip(), ast_log(), ast_strlen_zero(), ast_true(), ast_variables_destroy(), ASTOBJ_CONTAINER_FIND_UNLINK_FULL, ASTOBJ_INIT, ASTOBJ_UNMARK, ASTOBJ_UNREF, ast_variable::lineno, LOG_ERROR, ast_variable::name, ast_variable::next, oh323_destroy_peer(), peerl, update_common_options(), and ast_variable::value.
Referenced by realtime_peer(), and reload_config().
{ struct oh323_peer *peer; struct ast_ha *oldha; int found = 0; peer = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&peerl, name, name, 0, 0, strcmp); if (peer) found++; else { if (!(peer = ast_calloc(1, sizeof(*peer)))) return NULL; ASTOBJ_INIT(peer); } oldha = peer->ha; peer->ha = NULL; memcpy(&peer->options, &global_options, sizeof(peer->options)); peer->options.dtmfmode = 0; peer->options.holdHandling = 0; peer->addr.sin_port = htons(h323_signalling_port); peer->addr.sin_family = AF_INET; if (!found && name) ast_copy_string(peer->name, name, sizeof(peer->name)); #if 0 /* XXX Port channel variables functionality from chan_sip XXX */ if (peer->chanvars) { ast_variables_destroy(peer->chanvars); peer->chanvars = NULL; } #endif /* Default settings for mailbox */ peer->mailbox[0] = '\0'; for (; v || ((v = alt) && !(alt = NULL)); v = v->next) { if (!update_common_options(v, &peer->options)) continue; if (!strcasecmp(v->name, "host")) { if (!strcasecmp(v->value, "dynamic")) { ast_log(LOG_ERROR, "Dynamic host configuration not implemented.\n"); ASTOBJ_UNREF(peer, oh323_destroy_peer); return NULL; } if (ast_get_ip(&peer->addr, v->value)) { ast_log(LOG_ERROR, "Could not determine IP for %s\n", v->value); ASTOBJ_UNREF(peer, oh323_destroy_peer); return NULL; } } else if (!strcasecmp(v->name, "port")) { peer->addr.sin_port = htons(atoi(v->value)); } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) { int ha_error = 0; peer->ha = ast_append_ha(v->name, v->value, peer->ha, &ha_error); if (ha_error) ast_log(LOG_ERROR, "Bad ACL entry in configuration line %d : %s\n", v->lineno, v->value); } else if (!strcasecmp(v->name, "mailbox")) { ast_copy_string(peer->mailbox, v->value, sizeof(peer->mailbox)); } else if (!strcasecmp(v->name, "hasvoicemail")) { if (ast_true(v->value) && ast_strlen_zero(peer->mailbox)) { ast_copy_string(peer->mailbox, name, sizeof(peer->mailbox)); } } } if (!peer->options.dtmfmode) peer->options.dtmfmode = global_options.dtmfmode; if (peer->options.holdHandling == ~0) peer->options.holdHandling = 0; else if (!peer->options.holdHandling) peer->options.holdHandling = global_options.holdHandling; ASTOBJ_UNMARK(peer); ast_free_ha(oldha); return peer; }
static struct oh323_user* build_user | ( | const char * | name, |
struct ast_variable * | v, | ||
struct ast_variable * | alt, | ||
int | realtime | ||
) | [static, read] |
Definition at line 1364 of file chan_h323.c.
References ast_append_ha(), ast_calloc, ast_cdr_amaflags2int(), ast_copy_string(), ast_free_ha(), ast_get_ip(), ast_log(), ast_variables_destroy(), ASTOBJ_CONTAINER_FIND_UNLINK_FULL, ASTOBJ_INIT, ASTOBJ_UNMARK, ASTOBJ_UNREF, format, ast_variable::lineno, LOG_ERROR, LOG_WARNING, ast_variable::name, ast_variable::next, oh323_destroy_user(), update_common_options(), user, userl, and ast_variable::value.
Referenced by realtime_user(), and reload_config().
{ struct oh323_user *user; struct ast_ha *oldha; int found = 0; int format; user = ASTOBJ_CONTAINER_FIND_UNLINK_FULL(&userl, name, name, 0, 0, strcmp); if (user) found++; else { if (!(user = ast_calloc(1, sizeof(*user)))) return NULL; ASTOBJ_INIT(user); } oldha = user->ha; user->ha = (struct ast_ha *)NULL; memcpy(&user->options, &global_options, sizeof(user->options)); user->options.dtmfmode = 0; user->options.holdHandling = 0; /* Set default context */ ast_copy_string(user->context, default_context, sizeof(user->context)); if (user && !found) ast_copy_string(user->name, name, sizeof(user->name)); #if 0 /* XXX Port channel variables functionality from chan_sip XXX */ if (user->chanvars) { ast_variables_destroy(user->chanvars); user->chanvars = NULL; } #endif for (; v || ((v = alt) && !(alt = NULL)); v = v->next) { if (!update_common_options(v, &user->options)) continue; if (!strcasecmp(v->name, "context")) { ast_copy_string(user->context, v->value, sizeof(user->context)); } else if (!strcasecmp(v->name, "secret")) { ast_copy_string(user->secret, v->value, sizeof(user->secret)); } else if (!strcasecmp(v->name, "accountcode")) { ast_copy_string(user->accountcode, v->value, sizeof(user->accountcode)); } else if (!strcasecmp(v->name, "host")) { if (!strcasecmp(v->value, "dynamic")) { ast_log(LOG_ERROR, "A dynamic host on a type=user does not make any sense\n"); ASTOBJ_UNREF(user, oh323_destroy_user); return NULL; } else if (ast_get_ip(&user->addr, v->value)) { ASTOBJ_UNREF(user, oh323_destroy_user); return NULL; } /* Let us know we need to use ip authentication */ user->host = 1; } else if (!strcasecmp(v->name, "amaflags")) { format = ast_cdr_amaflags2int(v->value); if (format < 0) { ast_log(LOG_WARNING, "Invalid AMA Flags: %s at line %d\n", v->value, v->lineno); } else { user->amaflags = format; } } else if (!strcasecmp(v->name, "permit") || !strcasecmp(v->name, "deny")) { int ha_error = 0; user->ha = ast_append_ha(v->name, v->value, user->ha, &ha_error); if (ha_error) ast_log(LOG_ERROR, "Bad ACL entry in configuration line %d : %s\n", v->lineno, v->value); } } if (!user->options.dtmfmode) user->options.dtmfmode = global_options.dtmfmode; if (user->options.holdHandling == ~0) user->options.holdHandling = 0; else if (!user->options.holdHandling) user->options.holdHandling = global_options.holdHandling; ASTOBJ_UNMARK(user); ast_free_ha(oldha); return user; }
static void chan_ringing | ( | unsigned | call_reference, |
const char * | token | ||
) | [static] |
Call-back function to signal asterisk that the channel is ringing Returns nothing.
Definition at line 2315 of file chan_h323.c.
References AST_CONTROL_RINGING, ast_debug, ast_log(), ast_mutex_unlock(), AST_STATE_RINGING, find_call_locked(), oh323_pvt::lock, LOG_ERROR, oh323_pvt::owner, and update_state().
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Ringing on %s\n", token); pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Something is wrong: ringing\n"); return; } if (!pvt->owner) { ast_mutex_unlock(&pvt->lock); ast_log(LOG_ERROR, "Channel has no owner\n"); return; } update_state(pvt, AST_STATE_RINGING, AST_CONTROL_RINGING); ast_mutex_unlock(&pvt->lock); return; }
static void cleanup_call_details | ( | call_details_t * | cd | ) | [static] |
Definition at line 407 of file chan_h323.c.
References ast_free.
Referenced by __oh323_destroy(), cleanup_connection(), setup_incoming_call(), and setup_outgoing_call().
{ if (cd->call_token) { ast_free(cd->call_token); cd->call_token = NULL; } if (cd->call_source_aliases) { ast_free(cd->call_source_aliases); cd->call_source_aliases = NULL; } if (cd->call_dest_alias) { ast_free(cd->call_dest_alias); cd->call_dest_alias = NULL; } if (cd->call_source_name) { ast_free(cd->call_source_name); cd->call_source_name = NULL; } if (cd->call_source_e164) { ast_free(cd->call_source_e164); cd->call_source_e164 = NULL; } if (cd->call_dest_e164) { ast_free(cd->call_dest_e164); cd->call_dest_e164 = NULL; } if (cd->sourceIp) { ast_free(cd->sourceIp); cd->sourceIp = NULL; } if (cd->redirect_number) { ast_free(cd->redirect_number); cd->redirect_number = NULL; } }
static void cleanup_connection | ( | unsigned | call_reference, |
const char * | call_token | ||
) | [static] |
Call-back function to cleanup communication Returns nothing,.
Definition at line 2341 of file chan_h323.c.
References ast_channel::_softhangup, oh323_pvt::alreadygone, ast_channel_trylock, ast_channel_unlock, ast_debug, ast_dsp_free(), ast_log(), ast_mutex_unlock(), ast_queue_hangup(), ast_rtp_destroy(), AST_SOFTHANGUP_DEV, oh323_pvt::cd, cleanup_call_details(), find_call_locked(), oh323_pvt::lock, LOG_NOTICE, oh323_pvt::owner, oh323_pvt::rtp, and oh323_pvt::vad.
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Cleaning connection to %s\n", call_token); while (1) { pvt = find_call_locked(call_reference, call_token); if (!pvt) { if (h323debug) ast_debug(1, "No connection for %s\n", call_token); return; } if (!pvt->owner || !ast_channel_trylock(pvt->owner)) break; #if 1 ast_log(LOG_NOTICE, "Avoiding H.323 destory deadlock on %s\n", call_token); #ifdef DEBUG_THREADS /* XXX to be completed * If we want to print more info on who is holding the lock, * implement the relevant code in lock.h and use the routines * supplied there. */ #endif #endif ast_mutex_unlock(&pvt->lock); usleep(1); } if (pvt->rtp) { /* Immediately stop RTP */ ast_rtp_destroy(pvt->rtp); pvt->rtp = NULL; } /* Free dsp used for in-band DTMF detection */ if (pvt->vad) { ast_dsp_free(pvt->vad); pvt->vad = NULL; } cleanup_call_details(&pvt->cd); pvt->alreadygone = 1; /* Send hangup */ if (pvt->owner) { pvt->owner->_softhangup |= AST_SOFTHANGUP_DEV; ast_queue_hangup(pvt->owner); ast_channel_unlock(pvt->owner); } ast_mutex_unlock(&pvt->lock); if (h323debug) ast_debug(1, "Connection to %s cleaned\n", call_token); return; }
static void connection_made | ( | unsigned | call_reference, |
const char * | token | ||
) | [static] |
Call-back function to signal asterisk that the channel has been answered Returns nothing.
Definition at line 2049 of file chan_h323.c.
References AST_CONTROL_ANSWER, ast_debug, ast_log(), ast_mutex_unlock(), oh323_pvt::connection_established, find_call_locked(), oh323_pvt::lock, LOG_ERROR, oh323_pvt::outgoing, and update_state().
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Call %s answered\n", token); pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Something is wrong: connection\n"); return; } /* Inform asterisk about remote party connected only on outgoing calls */ if (!pvt->outgoing) { ast_mutex_unlock(&pvt->lock); return; } /* Do not send ANSWER message more than once */ if (!pvt->connection_established) { pvt->connection_established = 1; update_state(pvt, -1, AST_CONTROL_ANSWER); } ast_mutex_unlock(&pvt->lock); return; }
static char* convertcap | ( | int | cap | ) | [static] |
Definition at line 3166 of file chan_h323.c.
References AST_FORMAT_ADPCM, AST_FORMAT_ALAW, AST_FORMAT_G722, AST_FORMAT_G723_1, AST_FORMAT_G729A, AST_FORMAT_GSM, AST_FORMAT_ILBC, AST_FORMAT_SPEEX, AST_FORMAT_ULAW, ast_log(), and LOG_NOTICE.
Referenced by oh323_set_rtp_peer().
{ switch (cap) { case AST_FORMAT_G723_1: return "G.723"; case AST_FORMAT_GSM: return "GSM"; case AST_FORMAT_ULAW: return "ULAW"; case AST_FORMAT_ALAW: return "ALAW"; case AST_FORMAT_G722: return "G.722"; case AST_FORMAT_ADPCM: return "G.728"; case AST_FORMAT_G729A: return "G.729"; case AST_FORMAT_SPEEX: return "SPEEX"; case AST_FORMAT_ILBC: return "ILBC"; default: ast_log(LOG_NOTICE, "Don't know how to deal with mode %d\n", cap); return NULL; } }
static int create_addr | ( | struct oh323_pvt * | pvt, |
char * | opeer | ||
) | [static] |
Definition at line 1654 of file chan_h323.c.
References ast_copy_string(), ast_gethostbyname(), ast_log(), AST_RTP_DTMF, ASTOBJ_UNREF, find_peer(), h323_signalling_port, hp, oh323_pvt::jointcapability, LOG_WARNING, oh323_pvt::nonCodecCapability, oh323_destroy_peer(), oh323_pvt::options, and oh323_pvt::sa.
Referenced by oh323_request().
{ struct hostent *hp; struct ast_hostent ahp; struct oh323_peer *p; int portno; int found = 0; char *port; char *hostn; char peer[256] = ""; ast_copy_string(peer, opeer, sizeof(peer)); port = strchr(peer, ':'); if (port) { *port = '\0'; port++; } pvt->sa.sin_family = AF_INET; p = find_peer(peer, NULL, 1); if (p) { found++; memcpy(&pvt->options, &p->options, sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (pvt->options.dtmfmode) { if (pvt->options.dtmfmode & H323_DTMF_RFC2833) { pvt->nonCodecCapability |= AST_RTP_DTMF; } else { pvt->nonCodecCapability &= ~AST_RTP_DTMF; } } if (p->addr.sin_addr.s_addr) { pvt->sa.sin_addr = p->addr.sin_addr; pvt->sa.sin_port = p->addr.sin_port; } ASTOBJ_UNREF(p, oh323_destroy_peer); } if (!p && !found) { hostn = peer; if (port) { portno = atoi(port); } else { portno = h323_signalling_port; } hp = ast_gethostbyname(hostn, &ahp); if (hp) { memcpy(&pvt->sa.sin_addr, hp->h_addr, sizeof(pvt->sa.sin_addr)); pvt->sa.sin_port = htons(portno); /* Look peer by address */ p = find_peer(NULL, &pvt->sa, 1); memcpy(&pvt->options, (p ? &p->options : &global_options), sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (p) { ASTOBJ_UNREF(p, oh323_destroy_peer); } if (pvt->options.dtmfmode) { if (pvt->options.dtmfmode & H323_DTMF_RFC2833) { pvt->nonCodecCapability |= AST_RTP_DTMF; } else { pvt->nonCodecCapability &= ~AST_RTP_DTMF; } } return 0; } else { ast_log(LOG_WARNING, "No such host: %s\n", peer); return -1; } } else if (!found) { return -1; } else { return 0; } }
static void delete_aliases | ( | void | ) | [static] |
Definition at line 2812 of file chan_h323.c.
References aliasl, ASTOBJ_CONTAINER_PRUNE_MARKED, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_CONTAINER_UNLOCK, ASTOBJ_CONTAINER_WRLOCK, ASTOBJ_MARK, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, and oh323_destroy_alias().
Referenced by reload_config().
{ int pruned = 0; /* Delete all aliases */ ASTOBJ_CONTAINER_WRLOCK(&aliasl); ASTOBJ_CONTAINER_TRAVERSE(&aliasl, 1, do { ASTOBJ_RDLOCK(iterator); ASTOBJ_MARK(iterator); ++pruned; ASTOBJ_UNLOCK(iterator); } while (0) ); if (pruned) { ASTOBJ_CONTAINER_PRUNE_MARKED(&aliasl, oh323_destroy_alias); } ASTOBJ_CONTAINER_UNLOCK(&aliasl); }
static void delete_users | ( | void | ) | [static] |
Definition at line 2786 of file chan_h323.c.
References ASTOBJ_CONTAINER_PRUNE_MARKED, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_CONTAINER_UNLOCK, ASTOBJ_CONTAINER_WRLOCK, ASTOBJ_MARK, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, oh323_destroy_user(), peerl, and userl.
Referenced by reload_config().
{ int pruned = 0; /* Delete all users */ ASTOBJ_CONTAINER_WRLOCK(&userl); ASTOBJ_CONTAINER_TRAVERSE(&userl, 1, do { ASTOBJ_RDLOCK(iterator); ASTOBJ_MARK(iterator); ++pruned; ASTOBJ_UNLOCK(iterator); } while (0) ); if (pruned) { ASTOBJ_CONTAINER_PRUNE_MARKED(&userl, oh323_destroy_user); } ASTOBJ_CONTAINER_UNLOCK(&userl); ASTOBJ_CONTAINER_WRLOCK(&peerl); ASTOBJ_CONTAINER_TRAVERSE(&peerl, 1, do { ASTOBJ_RDLOCK(iterator); ASTOBJ_MARK(iterator); ASTOBJ_UNLOCK(iterator); } while (0) ); ASTOBJ_CONTAINER_UNLOCK(&peerl); }
static void* do_monitor | ( | void * | data | ) | [static] |
Definition at line 2533 of file chan_h323.c.
References __oh323_destroy(), ast_io_wait(), ast_mutex_lock(), ast_mutex_trylock(), ast_mutex_unlock(), ast_sched_runq(), ast_sched_wait(), ast_verb, h323_do_reload(), h323_reload_lock, h323_reloading, iflist, iflock, oh323_pvt::lock, monlock, oh323_pvt::needdestroy, and oh323_pvt::next.
Referenced by restart_monitor().
{ int res; int reloading; struct oh323_pvt *oh323 = NULL; for(;;) { /* Check for a reload request */ ast_mutex_lock(&h323_reload_lock); reloading = h323_reloading; h323_reloading = 0; ast_mutex_unlock(&h323_reload_lock); if (reloading) { ast_verb(1, "Reloading H.323\n"); h323_do_reload(); } /* Check for interfaces needing to be killed */ if (!ast_mutex_trylock(&iflock)) { #if 1 do { for (oh323 = iflist; oh323; oh323 = oh323->next) { if (!ast_mutex_trylock(&oh323->lock)) { if (oh323->needdestroy) { __oh323_destroy(oh323); break; } ast_mutex_unlock(&oh323->lock); } } } while (/*oh323*/ 0); #else restartsearch: oh323 = iflist; while(oh323) { if (!ast_mutex_trylock(&oh323->lock)) { if (oh323->needdestroy) { __oh323_destroy(oh323); goto restartsearch; } ast_mutex_unlock(&oh323->lock); oh323 = oh323->next; } } #endif ast_mutex_unlock(&iflock); } else oh323 = (struct oh323_pvt *)1; /* Force fast loop */ pthread_testcancel(); /* Wait for sched or io */ res = ast_sched_wait(sched); if ((res < 0) || (res > 1000)) { res = 1000; } /* Do not wait if some channel(s) is destroyed, probably, more available too */ if (oh323) res = 1; res = ast_io_wait(io, res); pthread_testcancel(); ast_mutex_lock(&monlock); if (res >= 0) { ast_sched_runq(sched); } ast_mutex_unlock(&monlock); } /* Never reached */ return NULL; }
static struct rtp_info* external_rtp_create | ( | unsigned | call_reference, |
const char * | token | ||
) | [static, read] |
Callback function used to inform the H.323 stack of the local rtp ip/port details.
Definition at line 1899 of file chan_h323.c.
References __oh323_rtp_create(), ast_calloc, ast_copy_string(), ast_debug, ast_free, ast_inet_ntoa(), ast_log(), ast_mutex_unlock(), ast_rtp_get_us(), find_call_locked(), oh323_pvt::lock, LOG_ERROR, and oh323_pvt::rtp.
Referenced by load_module().
{ struct oh323_pvt *pvt; struct sockaddr_in us; struct rtp_info *info; info = ast_calloc(1, sizeof(*info)); if (!info) { ast_log(LOG_ERROR, "Unable to allocated info structure, this is very bad\n"); return NULL; } pvt = find_call_locked(call_reference, token); if (!pvt) { ast_free(info); ast_log(LOG_ERROR, "Unable to find call %s(%d)\n", token, call_reference); return NULL; } if (!pvt->rtp) __oh323_rtp_create(pvt); if (!pvt->rtp) { ast_mutex_unlock(&pvt->lock); ast_free(info); ast_log(LOG_ERROR, "No RTP stream is available for call %s (%d)", token, call_reference); return NULL; } /* figure out our local RTP port and tell the H.323 stack about it */ ast_rtp_get_us(pvt->rtp, &us); ast_mutex_unlock(&pvt->lock); ast_copy_string(info->addr, ast_inet_ntoa(us.sin_addr), sizeof(info->addr)); info->port = ntohs(us.sin_port); if (h323debug) ast_debug(1, "Sending RTP 'US' %s:%d\n", info->addr, info->port); return info; }
static struct oh323_alias* find_alias | ( | const char * | source_aliases, |
int | realtime | ||
) | [static, read] |
Find a call by alias.
Definition at line 1815 of file chan_h323.c.
References aliasl, ASTOBJ_CONTAINER_FIND, and realtime_alias().
Referenced by setup_incoming_call().
{ struct oh323_alias *a; a = ASTOBJ_CONTAINER_FIND(&aliasl, source_aliases); if (!a && realtime) a = realtime_alias(source_aliases); return a; }
static struct oh323_pvt* find_call_locked | ( | int | call_reference, |
const char * | token | ||
) | [static, read] |
Definition at line 1148 of file chan_h323.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), oh323_pvt::cd, iflist, iflock, oh323_pvt::lock, LOG_WARNING, oh323_pvt::needdestroy, and oh323_pvt::next.
Referenced by answer_call(), chan_ringing(), cleanup_connection(), connection_made(), external_rtp_create(), hangup_connection(), progress(), receive_digit(), remote_hold(), set_dtmf_payload(), set_local_capabilities(), set_peer_capabilities(), and setup_rtp_connection().
{ struct oh323_pvt *pvt; ast_mutex_lock(&iflock); pvt = iflist; while(pvt) { if (!pvt->needdestroy && ((signed int)pvt->cd.call_reference == call_reference)) { /* Found the call */ if ((token != NULL) && (pvt->cd.call_token != NULL) && (!strcmp(pvt->cd.call_token, token))) { ast_mutex_lock(&pvt->lock); ast_mutex_unlock(&iflock); return pvt; } else if (token == NULL) { ast_log(LOG_WARNING, "Call Token is NULL\n"); ast_mutex_lock(&pvt->lock); ast_mutex_unlock(&iflock); return pvt; } } pvt = pvt->next; } ast_mutex_unlock(&iflock); return NULL; }
static struct oh323_peer* find_peer | ( | const char * | peer, |
struct sockaddr_in * | sin, | ||
int | realtime | ||
) | [static, read] |
Definition at line 1636 of file chan_h323.c.
References ast_debug, ast_inet_ntoa(), ASTOBJ_CONTAINER_FIND, ASTOBJ_CONTAINER_FIND_FULL, oh323_addrcmp(), peerl, and realtime_peer().
Referenced by create_addr().
{ struct oh323_peer *p; if (peer) p = ASTOBJ_CONTAINER_FIND(&peerl, peer); else p = ASTOBJ_CONTAINER_FIND_FULL(&peerl, sin, addr, 0, 0, oh323_addrcmp); if (!p && realtime) p = realtime_peer(peer, sin); if (!p && h323debug) ast_debug(1, "Could not find peer by name %s or address %s\n", (peer ? peer : "<NONE>"), (sin ? ast_inet_ntoa(sin->sin_addr) : "<NONE>")); return p; }
static struct oh323_user* find_user | ( | const call_details_t * | cd, |
int | realtime | ||
) | [static, read] |
Definition at line 1606 of file chan_h323.c.
References ast_debug, ASTOBJ_CONTAINER_FIND, ASTOBJ_CONTAINER_FIND_FULL, oh323_addrcmp_str(), realtime_user(), and userl.
Referenced by setup_incoming_call().
{ struct oh323_user *u; if (userbyalias) u = ASTOBJ_CONTAINER_FIND(&userl, cd->call_source_aliases); else u = ASTOBJ_CONTAINER_FIND_FULL(&userl, cd->sourceIp, addr.sin_addr, 0, 0, oh323_addrcmp_str); if (!u && realtime) u = realtime_user(cd); if (!u && h323debug) ast_debug(1, "Could not find user by name %s or address %s\n", cd->call_source_aliases, cd->sourceIp); return u; }
static int h323_do_reload | ( | void | ) | [static] |
Definition at line 3123 of file chan_h323.c.
References reload_config().
Referenced by do_monitor().
{ reload_config(1); return 0; }
static int h323_reload | ( | void | ) | [static] |
Definition at line 3089 of file chan_h323.c.
References ast_mutex_lock(), ast_mutex_unlock(), ast_verbose(), h323_reload_lock, and restart_monitor().
Referenced by handle_cli_h323_reload(), and reload().
{ ast_mutex_lock(&h323_reload_lock); if (h323_reloading) { ast_verbose("Previous H.323 reload not yet done\n"); } else { h323_reloading = 1; } ast_mutex_unlock(&h323_reload_lock); restart_monitor(); return 0; }
static char* handle_cli_h323_cycle_gk | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2685 of file chan_h323.c.
References ast_cli_args::argc, ast_log(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, LOG_ERROR, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 cycle gk"; e->usage = "Usage: h323 cycle gk\n" " Manually re-register with the Gatekeper (Currently Disabled)\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != 3) return CLI_SHOWUSAGE; h323_gk_urq(); /* Possibly register with a GK */ if (!gatekeeper_disable) { if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) { ast_log(LOG_ERROR, "Gatekeeper registration failed.\n"); } } return CLI_SUCCESS; }
static char* handle_cli_h323_hangup | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2712 of file chan_h323.c.
References ast_cli_args::argc, ast_cli_args::argv, ast_verb, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 hangup"; e->usage = "Usage: h323 hangup <token>\n" " Manually try to hang up the call identified by <token>\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != 3) return CLI_SHOWUSAGE; if (h323_soft_hangup(a->argv[2])) { ast_verb(3, "Hangup succeeded on %s\n", a->argv[2]); } else { ast_verb(3, "Hangup failed for %s\n", a->argv[2]); } return CLI_SUCCESS; }
static char* handle_cli_h323_reload | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 3102 of file chan_h323.c.
References ast_cli_args::argc, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, h323_reload(), and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 reload"; e->usage = "Usage: h323 reload\n" " Reloads H.323 configuration from h323.conf\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != 2) return CLI_SHOWUSAGE; h323_reload(); return CLI_SUCCESS; }
static char* handle_cli_h323_set_debug | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2662 of file chan_h323.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 set debug [on|off]"; e->usage = "Usage: h323 set debug [on|off]\n" " Enable/Disable H.323 debugging output\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != e->args) return CLI_SHOWUSAGE; if (strcasecmp(a->argv[3], "on") && strcasecmp(a->argv[3], "off")) return CLI_SHOWUSAGE; h323debug = (strcasecmp(a->argv[3], "on")) ? 0 : 1; ast_cli(a->fd, "H.323 Debugging %s\n", h323debug ? "Enabled" : "Disabled"); return CLI_SUCCESS; }
static char* handle_cli_h323_set_trace | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2633 of file chan_h323.c.
References ast_cli_args::argc, ast_cli_entry::args, ast_cli_args::argv, ast_cli(), CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, ast_cli_args::fd, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 set trace [on|off]"; e->usage = "Usage: h323 set trace (on|off|<trace level>)\n" " Enable/Disable H.323 stack tracing for debugging purposes\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != e->args) return CLI_SHOWUSAGE; if (!strcasecmp(a->argv[3], "off")) { h323_debug(0, 0); ast_cli(a->fd, "H.323 Trace Disabled\n"); } else if (!strcasecmp(a->argv[3], "on")) { h323_debug(1, 1); ast_cli(a->fd, "H.323 Trace Enabled\n"); } else { int tracelevel = atoi(a->argv[3]); h323_debug(1, tracelevel); ast_cli(a->fd, "H.323 Trace Enabled (Trace Level: %d)\n", tracelevel); } return CLI_SUCCESS; }
static char* handle_cli_h323_show_tokens | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2735 of file chan_h323.c.
References ast_cli_args::argc, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 show tokens"; e->usage = "Usage: h323 show tokens\n" " Print out all active call tokens\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != 3) return CLI_SHOWUSAGE; h323_show_tokens(); return CLI_SUCCESS; }
static char* handle_cli_h323_show_version | ( | struct ast_cli_entry * | e, |
int | cmd, | ||
struct ast_cli_args * | a | ||
) | [static] |
Definition at line 2756 of file chan_h323.c.
References ast_cli_args::argc, CLI_GENERATE, CLI_INIT, CLI_SHOWUSAGE, CLI_SUCCESS, ast_cli_entry::command, and ast_cli_entry::usage.
{ switch (cmd) { case CLI_INIT: e->command = "h323 show version"; e->usage = "Usage: h323 show version\n" " Show the version of the H.323 library in use\n"; return NULL; case CLI_GENERATE: return NULL; } if (a->argc != 3) return CLI_SHOWUSAGE; h323_show_version(); return CLI_SUCCESS; }
static void hangup_connection | ( | unsigned int | call_reference, |
const char * | token, | ||
int | cause | ||
) | [static] |
Definition at line 2394 of file chan_h323.c.
References ast_channel::_softhangup, ast_channel_trylock, ast_channel_unlock, ast_debug, ast_mutex_unlock(), ast_queue_hangup_with_cause(), AST_SOFTHANGUP_DEV, cause, find_call_locked(), oh323_pvt::hangupcause, ast_channel::hangupcause, oh323_pvt::lock, oh323_pvt::needhangup, and oh323_pvt::owner.
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Hanging up connection to %s with cause %d\n", token, cause); pvt = find_call_locked(call_reference, token); if (!pvt) { if (h323debug) ast_debug(1, "Connection to %s already cleared\n", token); return; } if (pvt->owner && !ast_channel_trylock(pvt->owner)) { pvt->owner->_softhangup |= AST_SOFTHANGUP_DEV; pvt->owner->hangupcause = pvt->hangupcause = cause; ast_queue_hangup_with_cause(pvt->owner, cause); ast_channel_unlock(pvt->owner); } else { pvt->needhangup = 1; pvt->hangupcause = cause; if (h323debug) ast_debug(1, "Hangup for %s is pending\n", token); } ast_mutex_unlock(&pvt->lock); }
static enum ast_module_load_result load_module | ( | void | ) | [static] |
Definition at line 3226 of file chan_h323.c.
References aliasl, answer_call(), ast_channel_register(), ast_cli_register(), ast_cli_register_multiple(), ast_cli_unregister(), ast_cli_unregister_multiple(), ast_log(), AST_MODULE_LOAD_DECLINE, AST_MODULE_LOAD_FAILURE, AST_MODULE_LOAD_SUCCESS, ast_rtp_proto_register(), ast_rtp_proto_unregister(), ASTOBJ_CONTAINER_DESTROY, ASTOBJ_CONTAINER_DESTROYALL, ASTOBJ_CONTAINER_INIT, bindaddr, chan_ringing(), cleanup_connection(), connection_made(), external_rtp_create(), hangup_connection(), io_context_create(), io_context_destroy(), LOG_ERROR, LOG_NOTICE, LOG_WARNING, oh323_destroy_alias(), oh323_destroy_peer(), oh323_destroy_user(), peerl, receive_digit(), reload_config(), remote_hold(), restart_monitor(), sched_context_create(), sched_context_destroy(), set_dtmf_payload(), set_local_capabilities(), set_peer_capabilities(), setup_incoming_call(), setup_outgoing_call(), setup_rtp_connection(), and userl.
{ int res; h323debug = 0; sched = sched_context_create(); if (!sched) { ast_log(LOG_WARNING, "Unable to create schedule context\n"); return AST_MODULE_LOAD_FAILURE; } io = io_context_create(); if (!io) { ast_log(LOG_WARNING, "Unable to create I/O context\n"); return AST_MODULE_LOAD_FAILURE; } ast_cli_register(&cli_h323_reload); ASTOBJ_CONTAINER_INIT(&userl); ASTOBJ_CONTAINER_INIT(&peerl); ASTOBJ_CONTAINER_INIT(&aliasl); res = reload_config(0); if (res) { /* No config entry */ ast_log(LOG_NOTICE, "Unload and load chan_h323.so again in order to receive configuration changes.\n"); ast_cli_unregister(&cli_h323_reload); io_context_destroy(io); io = NULL; sched_context_destroy(sched); sched = NULL; ASTOBJ_CONTAINER_DESTROY(&userl); ASTOBJ_CONTAINER_DESTROY(&peerl); ASTOBJ_CONTAINER_DESTROY(&aliasl); return AST_MODULE_LOAD_DECLINE; } else { /* Make sure we can register our channel type */ if (ast_channel_register(&oh323_tech)) { ast_log(LOG_ERROR, "Unable to register channel class 'H323'\n"); ast_cli_unregister(&cli_h323_reload); h323_end_process(); io_context_destroy(io); sched_context_destroy(sched); ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user); ASTOBJ_CONTAINER_DESTROY(&userl); ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer); ASTOBJ_CONTAINER_DESTROY(&peerl); ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias); ASTOBJ_CONTAINER_DESTROY(&aliasl); return AST_MODULE_LOAD_FAILURE; } ast_cli_register_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry)); ast_rtp_proto_register(&oh323_rtp); /* Register our callback functions */ h323_callback_register(setup_incoming_call, setup_outgoing_call, external_rtp_create, setup_rtp_connection, cleanup_connection, chan_ringing, connection_made, receive_digit, answer_call, progress, set_dtmf_payload, hangup_connection, set_local_capabilities, set_peer_capabilities, remote_hold); /* start the h.323 listener */ if (h323_start_listener(h323_signalling_port, bindaddr)) { ast_log(LOG_ERROR, "Unable to create H323 listener.\n"); ast_rtp_proto_unregister(&oh323_rtp); ast_cli_unregister_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry)); ast_cli_unregister(&cli_h323_reload); h323_end_process(); io_context_destroy(io); sched_context_destroy(sched); ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user); ASTOBJ_CONTAINER_DESTROY(&userl); ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer); ASTOBJ_CONTAINER_DESTROY(&peerl); ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias); ASTOBJ_CONTAINER_DESTROY(&aliasl); return AST_MODULE_LOAD_DECLINE; } /* Possibly register with a GK */ if (!gatekeeper_disable) { if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) { ast_log(LOG_ERROR, "Gatekeeper registration failed.\n"); gatekeeper_disable = 1; res = AST_MODULE_LOAD_SUCCESS; } } /* And start the monitor for the first time */ restart_monitor(); } return res; }
static int oh323_addrcmp | ( | struct sockaddr_in | addr, |
struct sockaddr_in * | sin | ||
) | [static] |
Definition at line 1624 of file chan_h323.c.
References inaddrcmp().
Referenced by find_peer().
{ int res; if (!sin) res = -1; else res = inaddrcmp(&addr , sin); return res; }
static int oh323_addrcmp_str | ( | struct in_addr | inaddr, |
char * | addr | ||
) | [static] |
Definition at line 1601 of file chan_h323.c.
References ast_inet_ntoa().
Referenced by find_user().
{ return strcmp(ast_inet_ntoa(inaddr), addr); }
static struct oh323_pvt* oh323_alloc | ( | int | callid | ) | [static, read] |
Definition at line 1105 of file chan_h323.c.
References ast_calloc, ast_copy_string(), ast_free, ast_log(), ast_mutex_init(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_destroy(), AST_RTP_DTMF, oh323_pvt::cd, oh323_pvt::context, oh323_pvt::DTMFsched, iflist, iflock, oh323_pvt::jointcapability, oh323_pvt::lock, LOG_ERROR, oh323_pvt::newcontrol, oh323_pvt::newdigit, oh323_pvt::newstate, oh323_pvt::next, oh323_pvt::nonCodecCapability, oh323_pvt::options, oh323_pvt::rtp, and oh323_pvt::update_rtp_info.
Referenced by oh323_request(), and setup_incoming_call().
{ struct oh323_pvt *pvt; pvt = ast_calloc(1, sizeof(*pvt)); if (!pvt) { ast_log(LOG_ERROR, "Couldn't allocate private structure. This is bad\n"); return NULL; } pvt->cd.redirect_reason = -1; pvt->cd.transfer_capability = -1; /* Ensure the call token is allocated for outgoing call */ if (!callid) { if ((pvt->cd).call_token == NULL) { (pvt->cd).call_token = ast_calloc(1, 128); } if (!pvt->cd.call_token) { ast_log(LOG_ERROR, "Not enough memory to alocate call token\n"); ast_rtp_destroy(pvt->rtp); ast_free(pvt); return NULL; } memset((char *)(pvt->cd).call_token, 0, 128); pvt->cd.call_reference = callid; } memcpy(&pvt->options, &global_options, sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (pvt->options.dtmfmode & (H323_DTMF_RFC2833 | H323_DTMF_CISCO)) { pvt->nonCodecCapability |= AST_RTP_DTMF; } else { pvt->nonCodecCapability &= ~AST_RTP_DTMF; } ast_copy_string(pvt->context, default_context, sizeof(pvt->context)); pvt->newstate = pvt->newcontrol = pvt->newdigit = pvt->update_rtp_info = pvt->DTMFsched = -1; ast_mutex_init(&pvt->lock); /* Add to interface list */ ast_mutex_lock(&iflock); pvt->next = iflist; iflist = pvt; ast_mutex_unlock(&iflock); return pvt; }
static int oh323_answer | ( | struct ast_channel * | c | ) | [static] |
Definition at line 658 of file chan_h323.c.
References ast_channel::_state, ast_debug, ast_free, ast_mutex_lock(), ast_mutex_unlock(), ast_setstate(), AST_STATE_UP, ast_strdup, oh323_pvt::cd, oh323_pvt::lock, ast_channel::name, oh323_update_info(), and ast_channel::tech_pvt.
{ int res; struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; char *token; if (h323debug) ast_debug(1, "Answering on %s\n", c->name); ast_mutex_lock(&pvt->lock); token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL; ast_mutex_unlock(&pvt->lock); res = h323_answering_call(token, 0); if (token) ast_free(token); oh323_update_info(c); if (c->_state != AST_STATE_UP) { ast_setstate(c, AST_STATE_UP); } return res; }
static int oh323_call | ( | struct ast_channel * | c, |
char * | dest, | ||
int | timeout | ||
) | [static] |
Make a call over the specified channel to the specified destination. Returns -1 on error, 0 on success.
Definition at line 579 of file chan_h323.c.
References ast_channel::_state, ast_copy_string(), ast_debug, ast_inet_ntoa(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_STATE_DOWN, AST_STATE_RESERVED, ast_strlen_zero(), ast_transfercapability2str(), ast_verb, oh323_pvt::cd, ast_channel::cid, ast_callerid::cid_name, ast_callerid::cid_num, ast_callerid::cid_pres, ast_callerid::cid_rdnis, ast_callerid::cid_ton, oh323_pvt::exten, oh323_pvt::lock, LOG_NOTICE, LOG_WARNING, ast_channel::name, oh323_update_info(), oh323_pvt::options, oh323_pvt::outgoing, pbx_builtin_getvar_helper(), oh323_pvt::sa, ast_channel::tech_pvt, and ast_channel::transfercapability.
{ int res = 0; struct oh323_pvt *pvt = (struct oh323_pvt *)c->tech_pvt; const char *addr; char called_addr[1024]; if (h323debug) { ast_debug(1, "Calling to %s on %s\n", dest, c->name); } if ((c->_state != AST_STATE_DOWN) && (c->_state != AST_STATE_RESERVED)) { ast_log(LOG_WARNING, "Line is already in use (%s)\n", c->name); return -1; } ast_mutex_lock(&pvt->lock); if (!gatekeeper_disable) { if (ast_strlen_zero(pvt->exten)) { ast_copy_string(called_addr, dest, sizeof(called_addr)); } else { snprintf(called_addr, sizeof(called_addr), "%s@%s", pvt->exten, dest); } } else { res = htons(pvt->sa.sin_port); addr = ast_inet_ntoa(pvt->sa.sin_addr); if (ast_strlen_zero(pvt->exten)) { snprintf(called_addr, sizeof(called_addr), "%s:%d", addr, res); } else { snprintf(called_addr, sizeof(called_addr), "%s@%s:%d", pvt->exten, addr, res); } } /* make sure null terminated */ called_addr[sizeof(called_addr) - 1] = '\0'; if (c->cid.cid_num) ast_copy_string(pvt->options.cid_num, c->cid.cid_num, sizeof(pvt->options.cid_num)); if (c->cid.cid_name) ast_copy_string(pvt->options.cid_name, c->cid.cid_name, sizeof(pvt->options.cid_name)); if (c->cid.cid_rdnis) { ast_copy_string(pvt->options.cid_rdnis, c->cid.cid_rdnis, sizeof(pvt->options.cid_rdnis)); } pvt->options.presentation = c->cid.cid_pres; pvt->options.type_of_number = c->cid.cid_ton; if ((addr = pbx_builtin_getvar_helper(c, "PRIREDIRECTREASON"))) { if (!strcasecmp(addr, "UNKNOWN")) pvt->options.redirect_reason = 0; else if (!strcasecmp(addr, "BUSY")) pvt->options.redirect_reason = 1; else if (!strcasecmp(addr, "NO_REPLY") || !strcasecmp(addr, "NOANSWER")) /* the NOANSWER is to match diversion-reason from chan_sip, (which never reads PRIREDIRECTREASON) */ pvt->options.redirect_reason = 2; else if (!strcasecmp(addr, "UNCONDITIONAL")) pvt->options.redirect_reason = 15; else pvt->options.redirect_reason = -1; } else pvt->options.redirect_reason = -1; pvt->options.transfer_capability = c->transfercapability; /* indicate that this is an outgoing call */ pvt->outgoing = 1; ast_verb(3, "Requested transfer capability: 0x%.2x - %s\n", c->transfercapability, ast_transfercapability2str(c->transfercapability)); if (h323debug) ast_debug(1, "Placing outgoing call to %s, %d/%d\n", called_addr, pvt->options.dtmfcodec[0], pvt->options.dtmfcodec[1]); ast_mutex_unlock(&pvt->lock); res = h323_make_call(called_addr, &(pvt->cd), &pvt->options); if (res) { ast_log(LOG_NOTICE, "h323_make_call failed(%s)\n", c->name); return -1; } oh323_update_info(c); return 0; }
static void oh323_destroy | ( | struct oh323_pvt * | pvt | ) | [static] |
Definition at line 488 of file chan_h323.c.
References __oh323_destroy(), ast_debug, ast_mutex_lock(), ast_mutex_unlock(), iflock, oh323_pvt::lock, ast_channel::name, and oh323_pvt::owner.
Referenced by oh323_request(), and setup_incoming_call().
{ if (h323debug) { ast_debug(1, "Destroying channel %s\n", (pvt->owner ? pvt->owner->name : "<unknown>")); } ast_mutex_lock(&iflock); ast_mutex_lock(&pvt->lock); __oh323_destroy(pvt); ast_mutex_unlock(&iflock); }
static void oh323_destroy_alias | ( | struct oh323_alias * | alias | ) | [static] |
Definition at line 279 of file chan_h323.c.
References ast_debug, and ast_free.
Referenced by delete_aliases(), load_module(), reload_config(), and unload_module().
static void oh323_destroy_peer | ( | struct oh323_peer * | peer | ) | [static] |
Definition at line 294 of file chan_h323.c.
References ast_debug, ast_free, and ast_free_ha().
Referenced by build_peer(), create_addr(), load_module(), prune_peers(), reload_config(), and unload_module().
{ if (h323debug) ast_debug(1, "Destroying peer '%s'\n", peer->name); ast_free_ha(peer->ha); ast_free(peer); }
static void oh323_destroy_user | ( | struct oh323_user * | user | ) | [static] |
Definition at line 286 of file chan_h323.c.
References ast_debug, ast_free, and ast_free_ha().
Referenced by build_user(), delete_users(), load_module(), reload_config(), setup_incoming_call(), and unload_module().
static int oh323_digit_begin | ( | struct ast_channel * | c, |
char | digit | ||
) | [static] |
Definition at line 499 of file chan_h323.c.
References ast_free, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_senddigit_begin(), ast_strdup, oh323_pvt::cd, oh323_pvt::dtmf_pt, oh323_pvt::lock, LOG_DTMF, LOG_ERROR, ast_channel::name, oh323_update_info(), oh323_pvt::options, oh323_pvt::rtp, ast_channel::tech_pvt, and oh323_pvt::txDtmfDigit.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; char *token; if (!pvt) { ast_log(LOG_ERROR, "No private structure?! This is bad\n"); return -1; } ast_mutex_lock(&pvt->lock); if (pvt->rtp && (((pvt->options.dtmfmode & H323_DTMF_RFC2833) && pvt->dtmf_pt[0]) /*|| ((pvt->options.dtmfmode & H323_DTMF_CISCO) && pvt->dtmf_pt[1]))*/)) { /* out-of-band DTMF */ if (h323debug) { ast_log(LOG_DTMF, "Begin sending out-of-band digit %c on %s\n", digit, c->name); } ast_rtp_senddigit_begin(pvt->rtp, digit); ast_mutex_unlock(&pvt->lock); } else if (pvt->txDtmfDigit != digit) { /* in-band DTMF */ if (h323debug) { ast_log(LOG_DTMF, "Begin sending inband digit %c on %s\n", digit, c->name); } pvt->txDtmfDigit = digit; token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL; ast_mutex_unlock(&pvt->lock); h323_send_tone(token, digit); if (token) { ast_free(token); } } else ast_mutex_unlock(&pvt->lock); oh323_update_info(c); return 0; }
static int oh323_digit_end | ( | struct ast_channel * | c, |
char | digit, | ||
unsigned int | duration | ||
) | [static] |
Send (play) the specified digit to the channel.
Definition at line 540 of file chan_h323.c.
References ast_free, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_senddigit_end(), ast_strdup, oh323_pvt::cd, oh323_pvt::dtmf_pt, oh323_pvt::lock, LOG_DTMF, LOG_ERROR, ast_channel::name, oh323_update_info(), oh323_pvt::options, oh323_pvt::rtp, ast_channel::tech_pvt, and oh323_pvt::txDtmfDigit.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; char *token; if (!pvt) { ast_log(LOG_ERROR, "No private structure?! This is bad\n"); return -1; } ast_mutex_lock(&pvt->lock); if (pvt->rtp && (pvt->options.dtmfmode & H323_DTMF_RFC2833) && ((pvt->dtmf_pt[0] > 0) || (pvt->dtmf_pt[0] > 0))) { /* out-of-band DTMF */ if (h323debug) { ast_log(LOG_DTMF, "End sending out-of-band digit %c on %s, duration %d\n", digit, c->name, duration); } ast_rtp_senddigit_end(pvt->rtp, digit); ast_mutex_unlock(&pvt->lock); } else { /* in-band DTMF */ if (h323debug) { ast_log(LOG_DTMF, "End sending inband digit %c on %s, duration %d\n", digit, c->name, duration); } pvt->txDtmfDigit = ' '; token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL; ast_mutex_unlock(&pvt->lock); h323_send_tone(token, ' '); if (token) { ast_free(token); } } oh323_update_info(c); return 0; }
static int oh323_fixup | ( | struct ast_channel * | oldchan, |
struct ast_channel * | newchan | ||
) | [static] |
Definition at line 941 of file chan_h323.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), oh323_pvt::lock, LOG_WARNING, oh323_pvt::owner, and ast_channel::tech_pvt.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) newchan->tech_pvt; ast_mutex_lock(&pvt->lock); if (pvt->owner != oldchan) { ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, pvt->owner); return -1; } pvt->owner = newchan; ast_mutex_unlock(&pvt->lock); return 0; }
static enum ast_rtp_get_result oh323_get_rtp_peer | ( | struct ast_channel * | chan, |
struct ast_rtp ** | rtp | ||
) | [static] |
Definition at line 3141 of file chan_h323.c.
References ast_mutex_lock(), ast_mutex_unlock(), AST_RTP_GET_FAILED, AST_RTP_TRY_NATIVE, AST_RTP_TRY_PARTIAL, oh323_pvt::lock, oh323_pvt::options, oh323_pvt::rtp, and ast_channel::tech_pvt.
{ struct oh323_pvt *pvt; enum ast_rtp_get_result res = AST_RTP_TRY_PARTIAL; if (!(pvt = (struct oh323_pvt *)chan->tech_pvt)) return AST_RTP_GET_FAILED; ast_mutex_lock(&pvt->lock); *rtp = pvt->rtp; #if 0 if (pvt->options.bridge) { res = AST_RTP_TRY_NATIVE; } #endif ast_mutex_unlock(&pvt->lock); return res; }
static enum ast_rtp_get_result oh323_get_vrtp_peer | ( | struct ast_channel * | chan, |
struct ast_rtp ** | rtp | ||
) | [static] |
Definition at line 3161 of file chan_h323.c.
References AST_RTP_GET_FAILED.
{ return AST_RTP_GET_FAILED; }
static int oh323_hangup | ( | struct ast_channel * | c | ) | [static] |
Definition at line 681 of file chan_h323.c.
References oh323_pvt::alreadygone, AST_CAUSE_CALL_REJECTED, AST_CAUSE_NO_ANSWER, AST_CAUSE_NORMAL_CIRCUIT_CONGESTION, AST_CAUSE_NORMAL_CLEARING, AST_CAUSE_REQUESTED_CHAN_UNAVAIL, AST_CAUSE_USER_BUSY, ast_debug, ast_free, ast_log(), ast_module_unref(), ast_mutex_lock(), ast_mutex_unlock(), ast_strdup, cause, oh323_pvt::cd, oh323_pvt::hangupcause, ast_channel::hangupcause, oh323_pvt::lock, LOG_WARNING, ast_channel::name, oh323_pvt::needdestroy, oh323_pvt::owner, pbx_builtin_getvar_helper(), ast_module_info::self, and ast_channel::tech_pvt.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; int q931cause = AST_CAUSE_NORMAL_CLEARING; char *call_token; if (h323debug) ast_debug(1, "Hanging up and scheduling destroy of call %s\n", c->name); if (!c->tech_pvt) { ast_log(LOG_WARNING, "Asked to hangup channel not connected\n"); return 0; } ast_mutex_lock(&pvt->lock); /* Determine how to disconnect */ if (pvt->owner != c) { ast_log(LOG_WARNING, "Huh? We aren't the owner?\n"); ast_mutex_unlock(&pvt->lock); return 0; } pvt->owner = NULL; c->tech_pvt = NULL; if (c->hangupcause) { q931cause = c->hangupcause; } else { const char *cause = pbx_builtin_getvar_helper(c, "DIALSTATUS"); if (cause) { if (!strcmp(cause, "CONGESTION")) { q931cause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION; } else if (!strcmp(cause, "BUSY")) { q931cause = AST_CAUSE_USER_BUSY; } else if (!strcmp(cause, "CHANISUNVAIL")) { q931cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL; } else if (!strcmp(cause, "NOANSWER")) { q931cause = AST_CAUSE_NO_ANSWER; } else if (!strcmp(cause, "CANCEL")) { q931cause = AST_CAUSE_CALL_REJECTED; } } } /* Start the process if it's not already started */ if (!pvt->alreadygone && !pvt->hangupcause) { call_token = pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL; if (call_token) { /* Release lock to eliminate deadlock */ ast_mutex_unlock(&pvt->lock); if (h323_clear_call(call_token, q931cause)) { ast_log(LOG_WARNING, "ClearCall failed.\n"); } ast_free(call_token); ast_mutex_lock(&pvt->lock); } } pvt->needdestroy = 1; ast_mutex_unlock(&pvt->lock); /* Update usage counter */ ast_module_unref(ast_module_info->self); return 0; }
static int oh323_indicate | ( | struct ast_channel * | c, |
int | condition, | ||
const void * | data, | ||
size_t | datalen | ||
) | [static] |
Definition at line 856 of file chan_h323.c.
References ast_channel::_state, oh323_pvt::alreadygone, AST_CONTROL_BUSY, AST_CONTROL_CONGESTION, AST_CONTROL_HOLD, AST_CONTROL_PROCEEDING, AST_CONTROL_PROGRESS, AST_CONTROL_RINGING, AST_CONTROL_SRCCHANGE, AST_CONTROL_SRCUPDATE, AST_CONTROL_UNHOLD, ast_debug, ast_free, ast_log(), ast_moh_start(), ast_moh_stop(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_change_source(), ast_rtp_new_source(), AST_SOFTHANGUP_DEV, ast_softhangup_nolock(), AST_STATE_RING, AST_STATE_RINGING, AST_STATE_UP, ast_strdup, oh323_pvt::cd, oh323_pvt::got_progress, oh323_pvt::lock, LOG_WARNING, ast_channel::name, oh323_update_info(), oh323_pvt::rtp, and ast_channel::tech_pvt.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; char *token = (char *)NULL; int res = -1; int got_progress; ast_mutex_lock(&pvt->lock); token = (pvt->cd.call_token ? ast_strdup(pvt->cd.call_token) : NULL); got_progress = pvt->got_progress; if (condition == AST_CONTROL_PROGRESS) pvt->got_progress = 1; else if ((condition == AST_CONTROL_BUSY) || (condition == AST_CONTROL_CONGESTION)) pvt->alreadygone = 1; ast_mutex_unlock(&pvt->lock); if (h323debug) ast_debug(1, "OH323: Indicating %d on %s (%s)\n", condition, token, c->name); switch(condition) { case AST_CONTROL_RINGING: if (c->_state == AST_STATE_RING || c->_state == AST_STATE_RINGING) { h323_send_alerting(token); res = (got_progress ? 0 : -1); /* Do not simulate any audio tones if we got PROGRESS message */ } break; case AST_CONTROL_PROGRESS: if (c->_state != AST_STATE_UP) { /* Do not send PROGRESS message more than once */ if (!got_progress) h323_send_progress(token); res = 0; } break; case AST_CONTROL_BUSY: if (c->_state != AST_STATE_UP) { h323_answering_call(token, 1); ast_softhangup_nolock(c, AST_SOFTHANGUP_DEV); res = 0; } break; case AST_CONTROL_CONGESTION: if (c->_state != AST_STATE_UP) { h323_answering_call(token, 1); ast_softhangup_nolock(c, AST_SOFTHANGUP_DEV); res = 0; } break; case AST_CONTROL_HOLD: h323_hold_call(token, 1); /* We should start MOH only if remote party isn't provide audio for us */ ast_moh_start(c, data, NULL); res = 0; break; case AST_CONTROL_UNHOLD: h323_hold_call(token, 0); ast_moh_stop(c); res = 0; break; case AST_CONTROL_SRCUPDATE: ast_rtp_new_source(pvt->rtp); res = 0; break; case AST_CONTROL_SRCCHANGE: ast_rtp_change_source(pvt->rtp); res = 0; break; case AST_CONTROL_PROCEEDING: case -1: break; default: ast_log(LOG_WARNING, "OH323: Don't know how to indicate condition %d on %s\n", condition, token); break; } if (h323debug) ast_debug(1, "OH323: Indicated %d on %s, res=%d\n", condition, token, res); if (token) ast_free(token); oh323_update_info(c); return res; }
static struct ast_frame * oh323_read | ( | struct ast_channel * | c | ) | [static, read] |
Definition at line 803 of file chan_h323.c.
References __oh323_update_info(), ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_null_frame, ast_rtcp_read(), ast_channel::fdno, oh323_pvt::lock, LOG_ERROR, ast_channel::name, oh323_rtp_read(), oh323_pvt::rtp, and ast_channel::tech_pvt.
{ struct ast_frame *fr; struct oh323_pvt *pvt = (struct oh323_pvt *)c->tech_pvt; ast_mutex_lock(&pvt->lock); __oh323_update_info(c, pvt); switch(c->fdno) { case 0: fr = oh323_rtp_read(pvt); break; case 1: if (pvt->rtp) fr = ast_rtcp_read(pvt->rtp); else fr = &ast_null_frame; break; default: ast_log(LOG_ERROR, "Unable to handle fd %d on channel %s\n", c->fdno, c->name); fr = &ast_null_frame; break; } ast_mutex_unlock(&pvt->lock); return fr; }
static struct ast_channel * oh323_request | ( | const char * | type, |
int | format, | ||
void * | data, | ||
int * | cause | ||
) | [static, read] |
Definition at line 1726 of file chan_h323.c.
References __oh323_new(), AST_CAUSE_DESTINATION_OUT_OF_ORDER, AST_CAUSE_INCOMPATIBLE_DESTINATION, AST_CAUSE_NORMAL_TEMPORARY_FAILURE, ast_copy_string(), ast_debug, AST_FORMAT_AUDIO_MASK, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), AST_RTP_DTMF, AST_STATE_DOWN, ast_strlen_zero(), ast_update_use_count(), caplock, create_addr(), ext, oh323_pvt::exten, format, oh323_pvt::jointcapability, oh323_pvt::lock, LOG_NOTICE, LOG_WARNING, oh323_pvt::nonCodecCapability, oh323_alloc(), oh323_destroy(), oh323_pvt::options, and restart_monitor().
{ int oldformat; struct oh323_pvt *pvt; struct ast_channel *tmpc = NULL; char *dest = (char *)data; char *ext, *host; char *h323id = NULL; char tmp[256], tmp1[256]; if (h323debug) ast_debug(1, "type=%s, format=%d, data=%s.\n", type, format, (char *)data); pvt = oh323_alloc(0); if (!pvt) { ast_log(LOG_WARNING, "Unable to build pvt data for '%s'\n", (char *)data); return NULL; } oldformat = format; format &= AST_FORMAT_AUDIO_MASK; if (!format) { ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format); oh323_destroy(pvt); if (cause) *cause = AST_CAUSE_INCOMPATIBLE_DESTINATION; return NULL; } ast_copy_string(tmp, dest, sizeof(tmp)); host = strchr(tmp, '@'); if (host) { *host = '\0'; host++; ext = tmp; } else { ext = strrchr(tmp, '/'); if (ext) *ext++ = '\0'; host = tmp; } strtok_r(host, "/", &(h323id)); if (!ast_strlen_zero(h323id)) { h323_set_id(h323id); } if (ext) { ast_copy_string(pvt->exten, ext, sizeof(pvt->exten)); } if (h323debug) ast_debug(1, "Extension: %s Host: %s\n", pvt->exten, host); if (gatekeeper_disable) { if (create_addr(pvt, host)) { oh323_destroy(pvt); if (cause) *cause = AST_CAUSE_DESTINATION_OUT_OF_ORDER; return NULL; } } else { memcpy(&pvt->options, &global_options, sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (pvt->options.dtmfmode) { if (pvt->options.dtmfmode & H323_DTMF_RFC2833) { pvt->nonCodecCapability |= AST_RTP_DTMF; } else { pvt->nonCodecCapability &= ~AST_RTP_DTMF; } } } ast_mutex_lock(&caplock); /* Generate unique channel identifier */ snprintf(tmp1, sizeof(tmp1)-1, "%s-%u", host, ++unique); tmp1[sizeof(tmp1)-1] = '\0'; ast_mutex_unlock(&caplock); ast_mutex_lock(&pvt->lock); tmpc = __oh323_new(pvt, AST_STATE_DOWN, tmp1); ast_mutex_unlock(&pvt->lock); if (!tmpc) { oh323_destroy(pvt); if (cause) *cause = AST_CAUSE_NORMAL_TEMPORARY_FAILURE; } ast_update_use_count(); restart_monitor(); return tmpc; }
Retrieve audio/etc from channel. Assumes pvt->lock is already held.
Definition at line 748 of file chan_h323.c.
References ast_channel_trylock, ast_channel_unlock, ast_debug, ast_dsp_process(), AST_FORMAT_ALAW, AST_FORMAT_SLINEAR, AST_FORMAT_ULAW, AST_FRAME_DTMF, AST_FRAME_VOICE, ast_getformatname(), ast_log(), ast_null_frame, ast_rtp_read(), ast_rtp_setnat(), ast_set_read_format(), ast_set_write_format(), f, ast_frame::frametype, LOG_DTMF, LOG_NOTICE, oh323_pvt::nativeformats, ast_channel::nativeformats, oh323_pvt::noInbandDtmf, oh323_pvt::options, oh323_pvt::owner, ast_channel::readformat, oh323_pvt::rtp, ast_frame::subclass, oh323_pvt::vad, and ast_channel::writeformat.
Referenced by oh323_read().
{ struct ast_frame *f; /* Only apply it for the first packet, we just need the correct ip/port */ if (pvt->options.nat) { ast_rtp_setnat(pvt->rtp, pvt->options.nat); pvt->options.nat = 0; } f = ast_rtp_read(pvt->rtp); /* Don't send RFC2833 if we're not supposed to */ if (f && (f->frametype == AST_FRAME_DTMF) && !(pvt->options.dtmfmode & (H323_DTMF_RFC2833 | H323_DTMF_CISCO))) { return &ast_null_frame; } if (pvt->owner) { /* We already hold the channel lock */ if (f->frametype == AST_FRAME_VOICE) { if (f->subclass != pvt->owner->nativeformats) { /* Try to avoid deadlock */ if (ast_channel_trylock(pvt->owner)) { ast_log(LOG_NOTICE, "Format changed but channel is locked. Ignoring frame...\n"); return &ast_null_frame; } if (h323debug) ast_debug(1, "Oooh, format changed to %d\n", f->subclass); pvt->owner->nativeformats = f->subclass; pvt->nativeformats = f->subclass; ast_set_read_format(pvt->owner, pvt->owner->readformat); ast_set_write_format(pvt->owner, pvt->owner->writeformat); ast_channel_unlock(pvt->owner); } /* Do in-band DTMF detection */ if ((pvt->options.dtmfmode & H323_DTMF_INBAND) && pvt->vad) { if ((pvt->nativeformats & (AST_FORMAT_SLINEAR | AST_FORMAT_ALAW | AST_FORMAT_ULAW))) { if (!ast_channel_trylock(pvt->owner)) { f = ast_dsp_process(pvt->owner, pvt->vad, f); ast_channel_unlock(pvt->owner); } else ast_log(LOG_NOTICE, "Unable to process inband DTMF while channel is locked\n"); } else if (pvt->nativeformats && !pvt->noInbandDtmf) { ast_log(LOG_NOTICE, "Inband DTMF is not supported on codec %s. Use RFC2833\n", ast_getformatname(f->subclass)); pvt->noInbandDtmf = 1; } if (f &&(f->frametype == AST_FRAME_DTMF)) { if (h323debug) ast_log(LOG_DTMF, "Received in-band digit %c.\n", f->subclass); } } } } return f; }
static int oh323_set_rtp_peer | ( | struct ast_channel * | chan, |
struct ast_rtp * | rtp, | ||
struct ast_rtp * | vrtp, | ||
struct ast_rtp * | trtp, | ||
int | codecs, | ||
int | nat_active | ||
) | [static] |
Definition at line 3193 of file chan_h323.c.
References ast_inet_ntoa(), ast_log(), ast_rtp_get_peer(), ast_rtp_get_us(), oh323_pvt::cd, convertcap(), LOG_ERROR, ast_channel::tech_pvt, and ast_channel::writeformat.
{ /* XXX Deal with Video */ struct oh323_pvt *pvt; struct sockaddr_in them; struct sockaddr_in us; char *mode; if (!rtp) { return 0; } mode = convertcap(chan->writeformat); pvt = (struct oh323_pvt *) chan->tech_pvt; if (!pvt) { ast_log(LOG_ERROR, "No Private Structure, this is bad\n"); return -1; } ast_rtp_get_peer(rtp, &them); ast_rtp_get_us(rtp, &us); #if 0 /* Native bridge still isn't ready */ h323_native_bridge(pvt->cd.call_token, ast_inet_ntoa(them.sin_addr), mode); #endif return 0; }
static int oh323_simulate_dtmf_end | ( | const void * | data | ) | [static] |
Definition at line 302 of file chan_h323.c.
References ast_channel_trylock, ast_channel_unlock, AST_FRAME_DTMF_END, ast_mutex_lock(), ast_mutex_unlock(), ast_queue_frame(), oh323_pvt::curDTMF, DEADLOCK_AVOIDANCE, oh323_pvt::DTMFsched, ast_frame::frametype, oh323_pvt::lock, and oh323_pvt::owner.
Referenced by __oh323_update_info(), and receive_digit().
{ struct oh323_pvt *pvt = (struct oh323_pvt *)data; if (pvt) { ast_mutex_lock(&pvt->lock); /* Don't hold pvt lock while trying to lock the channel */ while (pvt->owner && ast_channel_trylock(pvt->owner)) { DEADLOCK_AVOIDANCE(&pvt->lock); } if (pvt->owner) { struct ast_frame f = { .frametype = AST_FRAME_DTMF_END, .subclass = pvt->curDTMF, .samples = 0, .src = "SIMULATE_DTMF_END", }; ast_queue_frame(pvt->owner, &f); ast_channel_unlock(pvt->owner); } pvt->DTMFsched = -1; ast_mutex_unlock(&pvt->lock); } return 0; }
static void oh323_update_info | ( | struct ast_channel * | c | ) | [static] |
Only channel structure should be locked.
Definition at line 396 of file chan_h323.c.
References __oh323_update_info(), ast_mutex_lock(), ast_mutex_unlock(), oh323_pvt::lock, and ast_channel::tech_pvt.
Referenced by oh323_answer(), oh323_call(), oh323_digit_begin(), oh323_digit_end(), and oh323_indicate().
{ struct oh323_pvt *pvt = c->tech_pvt; if (pvt) { ast_mutex_lock(&pvt->lock); __oh323_update_info(c, pvt); ast_mutex_unlock(&pvt->lock); } }
static int oh323_write | ( | struct ast_channel * | c, |
struct ast_frame * | frame | ||
) | [static] |
Definition at line 828 of file chan_h323.c.
References __oh323_update_info(), AST_FRAME_IMAGE, AST_FRAME_VOICE, ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_rtp_write(), ast_frame::frametype, oh323_pvt::lock, LOG_WARNING, ast_channel::nativeformats, ast_channel::readformat, oh323_pvt::recvonly, oh323_pvt::rtp, ast_frame::subclass, ast_channel::tech_pvt, and ast_channel::writeformat.
{ struct oh323_pvt *pvt = (struct oh323_pvt *) c->tech_pvt; int res = 0; if (frame->frametype != AST_FRAME_VOICE) { if (frame->frametype == AST_FRAME_IMAGE) { return 0; } else { ast_log(LOG_WARNING, "Can't send %d type frames with H323 write\n", frame->frametype); return 0; } } else { if (!(frame->subclass & c->nativeformats)) { ast_log(LOG_WARNING, "Asked to transmit frame type %d, while native formats is %d (read/write = %d/%d)\n", frame->subclass, c->nativeformats, c->readformat, c->writeformat); return 0; } } if (pvt) { ast_mutex_lock(&pvt->lock); if (pvt->rtp && !pvt->recvonly) res = ast_rtp_write(pvt->rtp, frame); __oh323_update_info(c, pvt); ast_mutex_unlock(&pvt->lock); } return res; }
static int progress | ( | unsigned | call_reference, |
const char * | token, | ||
int | inband | ||
) | [static] |
Definition at line 2076 of file chan_h323.c.
References AST_CONTROL_PROGRESS, AST_CONTROL_RINGING, ast_debug, ast_log(), ast_mutex_unlock(), find_call_locked(), oh323_pvt::lock, LOG_ERROR, oh323_pvt::owner, and update_state().
Referenced by build_progress(), and enc_ie_progress().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Received ALERT/PROGRESS message for %s tones\n", (inband ? "inband" : "self-generated")); pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Private structure not found in progress.\n"); return -1; } if (!pvt->owner) { ast_mutex_unlock(&pvt->lock); ast_log(LOG_ERROR, "No Asterisk channel associated with private structure.\n"); return -1; } update_state(pvt, -1, (inband ? AST_CONTROL_PROGRESS : AST_CONTROL_RINGING)); ast_mutex_unlock(&pvt->lock); return 0; }
static void prune_peers | ( | void | ) | [static] |
Definition at line 2830 of file chan_h323.c.
References ASTOBJ_CONTAINER_PRUNE_MARKED, oh323_destroy_peer(), and peerl.
Referenced by reload_config().
{ /* Prune peers who still are supposed to be deleted */ ASTOBJ_CONTAINER_PRUNE_MARKED(&peerl, oh323_destroy_peer); }
static struct oh323_alias* realtime_alias | ( | const char * | alias | ) | [static, read] |
Definition at line 1230 of file chan_h323.c.
References ast_load_realtime(), ast_variables_destroy(), build_alias(), ast_variable::name, ast_variable::next, SENTINEL, ast_variable::value, and var.
Referenced by find_alias().
{ struct ast_variable *var, *tmp; struct oh323_alias *a; var = ast_load_realtime("h323", "name", alias, SENTINEL); if (!var) return NULL; for (tmp = var; tmp; tmp = tmp->next) { if (!strcasecmp(tmp->name, "type") && !(!strcasecmp(tmp->value, "alias") || !strcasecmp(tmp->value, "h323"))) { ast_variables_destroy(var); return NULL; } } a = build_alias(alias, var, NULL, 1); ast_variables_destroy(var); return a; }
static struct oh323_peer* realtime_peer | ( | const char * | peername, |
struct sockaddr_in * | sin | ||
) | [static, read] |
Definition at line 1558 of file chan_h323.c.
References ast_inet_ntoa(), ast_load_realtime(), ast_log(), ast_variables_destroy(), build_peer(), LOG_WARNING, ast_variable::name, ast_variable::next, SENTINEL, ast_variable::value, and var.
Referenced by find_peer().
{ struct oh323_peer *peer; struct ast_variable *var; struct ast_variable *tmp; const char *addr = NULL; /* First check on peer name */ if (peername) var = ast_load_realtime("h323", "name", peername, SENTINEL); else if (sin) /* Then check on IP address for dynamic peers */ var = ast_load_realtime("h323", "host", addr = ast_inet_ntoa(sin->sin_addr), SENTINEL); else return NULL; if (!var) return NULL; for (tmp = var; tmp; tmp = tmp->next) { /* If this is type=user, then skip this object. */ if (!strcasecmp(tmp->name, "type") && !(!strcasecmp(tmp->value, "peer") || !strcasecmp(tmp->value, "friend"))) { ast_variables_destroy(var); return NULL; } else if (!peername && !strcasecmp(tmp->name, "name")) { peername = tmp->value; } } if (!peername) { /* Did not find peer in realtime */ ast_log(LOG_WARNING, "Cannot determine peer name for IP address %s\n", addr); ast_variables_destroy(var); return NULL; } /* Peer found in realtime, now build it in memory */ peer = build_peer(peername, var, NULL, 1); ast_variables_destroy(var); return peer; }
static struct oh323_user* realtime_user | ( | const call_details_t * | cd | ) | [static, read] |
Definition at line 1444 of file chan_h323.c.
References ast_load_realtime(), ast_log(), ast_variables_destroy(), build_user(), LOG_WARNING, ast_variable::name, ast_variable::next, SENTINEL, user, ast_variable::value, and var.
Referenced by find_user().
{ struct ast_variable *var, *tmp; struct oh323_user *user; const char *username; if (userbyalias) var = ast_load_realtime("h323", "name", username = cd->call_source_aliases, SENTINEL); else { username = (char *)NULL; var = ast_load_realtime("h323", "host", cd->sourceIp, SENTINEL); } if (!var) return NULL; for (tmp = var; tmp; tmp = tmp->next) { if (!strcasecmp(tmp->name, "type") && !(!strcasecmp(tmp->value, "user") || !strcasecmp(tmp->value, "friend"))) { ast_variables_destroy(var); return NULL; } else if (!username && !strcasecmp(tmp->name, "name")) username = tmp->value; } if (!username) { ast_log(LOG_WARNING, "Cannot determine user name for IP address %s\n", cd->sourceIp); ast_variables_destroy(var); return NULL; } user = build_user(username, var, NULL, 1); ast_variables_destroy(var); return user; }
static int receive_digit | ( | unsigned | call_reference, |
char | digit, | ||
const char * | token, | ||
int | duration | ||
) | [static] |
Callback for sending digits from H.323 up to asterisk.
Definition at line 1831 of file chan_h323.c.
References ast_channel_trylock, ast_channel_unlock, AST_CONTROL_FLASH, AST_FRAME_DTMF_BEGIN, AST_FRAME_DTMF_END, ast_log(), ast_mutex_unlock(), ast_queue_control(), ast_queue_frame(), ast_sched_add(), AST_SCHED_DEL, oh323_pvt::curDTMF, oh323_pvt::DTMFsched, find_call_locked(), ast_frame::frametype, ast_frame::len, oh323_pvt::lock, LOG_DTMF, LOG_ERROR, oh323_pvt::newcontrol, oh323_pvt::newdigit, oh323_pvt::newduration, oh323_simulate_dtmf_end(), oh323_pvt::owner, ast_frame::samples, and ast_frame::subclass.
Referenced by load_module().
{ struct oh323_pvt *pvt; int res; pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Received digit '%c' (%u ms) for call %s without private structure\n", digit, duration, token); return -1; } if (h323debug) ast_log(LOG_DTMF, "Received %s digit '%c' (%u ms) for call %s\n", (digit == ' ' ? "update for" : "new"), (digit == ' ' ? pvt->curDTMF : digit), duration, token); if (pvt->owner && !ast_channel_trylock(pvt->owner)) { if (digit == '!') res = ast_queue_control(pvt->owner, AST_CONTROL_FLASH); else { struct ast_frame f = { .frametype = AST_FRAME_DTMF_END, .subclass = digit, .samples = duration * 8, .len = duration, .src = "SEND_DIGIT", }; if (digit == ' ') { /* signalUpdate message */ f.subclass = pvt->curDTMF; AST_SCHED_DEL(sched, pvt->DTMFsched); } else { /* Regular input or signal message */ if (pvt->DTMFsched >= 0) { /* We still don't send DTMF END from previous event, send it now */ AST_SCHED_DEL(sched, pvt->DTMFsched); f.subclass = pvt->curDTMF; f.samples = f.len = 0; ast_queue_frame(pvt->owner, &f); /* Restore values */ f.subclass = digit; f.samples = duration * 8; f.len = duration; } if (duration) { /* This is a signal, signalUpdate follows */ f.frametype = AST_FRAME_DTMF_BEGIN; pvt->DTMFsched = ast_sched_add(sched, duration, oh323_simulate_dtmf_end, pvt); if (h323debug) ast_log(LOG_DTMF, "Scheduled DTMF END simulation for %d ms, id=%d\n", duration, pvt->DTMFsched); } pvt->curDTMF = digit; } res = ast_queue_frame(pvt->owner, &f); } ast_channel_unlock(pvt->owner); } else { if (digit == '!') pvt->newcontrol = AST_CONTROL_FLASH; else { pvt->newduration = duration; pvt->newdigit = digit; } res = 0; } ast_mutex_unlock(&pvt->lock); return res; }
static const char* redirectingreason2str | ( | int | redirectingreason | ) | [static] |
Definition at line 263 of file chan_h323.c.
Referenced by __oh323_new().
{ switch (redirectingreason) { case 0: return "UNKNOWN"; case 1: return "BUSY"; case 2: return "NO_REPLY"; case 0xF: return "UNCONDITIONAL"; default: return "NOREDIRECT"; } }
static int reload | ( | void | ) | [static] |
Definition at line 3129 of file chan_h323.c.
References ast_log(), h323_reload(), and LOG_NOTICE.
{ if (!sched || !io) { ast_log(LOG_NOTICE, "Unload and load chan_h323.so again in order to receive configuration changes.\n"); return 0; } return h323_reload(); }
static int reload_config | ( | int | is_reload | ) | [static] |
Definition at line 2836 of file chan_h323.c.
References aliasl, ast_category_browse(), ast_clear_flag, ast_config_destroy(), ast_config_load, ast_copy_string(), ast_gethostbyname(), ast_jb_read_conf(), ast_log(), ast_str2cos(), ast_str2tos(), ast_true(), ast_variable_browse(), ast_variable_retrieve(), ast_verb, ASTOBJ_CONTAINER_LINK, ASTOBJ_CONTAINER_TRAVERSE, ASTOBJ_CONTAINER_UNLOCK, ASTOBJ_CONTAINER_WRLOCK, ASTOBJ_RDLOCK, ASTOBJ_UNLOCK, ASTOBJ_UNREF, bindaddr, build_alias(), build_peer(), build_user(), CONFIG_FLAG_FILEUNCHANGED, CONFIG_STATUS_FILEINVALID, CONFIG_STATUS_FILEUNCHANGED, delete_aliases(), delete_users(), gatekeeper_disable, gatekeeper_discover, gen, GLOBAL_CAPABILITY, global_jbconf, hp, ast_variable::lineno, LOG_ERROR, LOG_NOTICE, LOG_WARNING, ast_variable::name, ast_variable::next, oh323_destroy_alias(), oh323_destroy_peer(), oh323_destroy_user(), peerl, prune_peers(), update_common_options(), userl, and ast_variable::value.
Referenced by h323_do_reload(), and load_module().
{ struct ast_config *cfg, *ucfg; struct ast_variable *v; struct oh323_peer *peer = NULL; struct oh323_user *user = NULL; struct oh323_alias *alias = NULL; struct ast_hostent ahp; struct hostent *hp; char *cat; const char *utype; int is_user, is_peer, is_alias; char _gatekeeper[100]; int gk_discover, gk_disable, gk_changed; struct ast_flags config_flags = { is_reload ? CONFIG_FLAG_FILEUNCHANGED : 0 }; cfg = ast_config_load(config, config_flags); /* We *must* have a config file otherwise stop immediately */ if (!cfg) { ast_log(LOG_NOTICE, "Unable to load config %s, H.323 disabled\n", config); return 1; } else if (cfg == CONFIG_STATUS_FILEUNCHANGED) { ucfg = ast_config_load("users.conf", config_flags); if (ucfg == CONFIG_STATUS_FILEUNCHANGED) { return 0; } else if (ucfg == CONFIG_STATUS_FILEINVALID) { ast_log(LOG_ERROR, "Config file users.conf is in an invalid format. Aborting.\n"); return 0; } ast_clear_flag(&config_flags, CONFIG_FLAG_FILEUNCHANGED); if ((cfg = ast_config_load(config, config_flags)) == CONFIG_STATUS_FILEINVALID) { ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config); ast_config_destroy(ucfg); return 0; } } else if (cfg == CONFIG_STATUS_FILEINVALID) { ast_log(LOG_ERROR, "Config file %s is in an invalid format. Aborting.\n", config); return 0; } else { ast_clear_flag(&config_flags, CONFIG_FLAG_FILEUNCHANGED); if ((ucfg = ast_config_load("users.conf", config_flags)) == CONFIG_STATUS_FILEINVALID) { ast_log(LOG_ERROR, "Config file users.conf is in an invalid format. Aborting.\n"); ast_config_destroy(cfg); return 0; } } if (is_reload) { delete_users(); delete_aliases(); prune_peers(); } /* fire up the H.323 Endpoint */ if (!h323_end_point_exist()) { h323_end_point_create(); } ast_copy_string(_gatekeeper, gatekeeper, sizeof(_gatekeeper)); gk_discover = gatekeeper_discover; gk_disable = gatekeeper_disable; memset(&bindaddr, 0, sizeof(bindaddr)); memset(&global_options, 0, sizeof(global_options)); global_options.fastStart = 1; global_options.h245Tunneling = 1; global_options.dtmfcodec[0] = H323_DTMF_RFC2833_PT; global_options.dtmfcodec[1] = H323_DTMF_CISCO_PT; global_options.dtmfmode = 0; global_options.holdHandling = 0; global_options.capability = GLOBAL_CAPABILITY; global_options.bridge = 1; /* Do native bridging by default */ global_options.autoframing = 0; strcpy(default_context, "default"); h323_signalling_port = 1720; gatekeeper_disable = 1; gatekeeper_discover = 0; gkroute = 0; userbyalias = 1; acceptAnonymous = 1; tos = 0; cos = 0; /* Copy the default jb config over global_jbconf */ memcpy(&global_jbconf, &default_jbconf, sizeof(struct ast_jb_conf)); if (ucfg) { struct ast_variable *gen; int genhas_h323; const char *has_h323; genhas_h323 = ast_true(ast_variable_retrieve(ucfg, "general", "hash323")); gen = ast_variable_browse(ucfg, "general"); for (cat = ast_category_browse(ucfg, NULL); cat; cat = ast_category_browse(ucfg, cat)) { if (strcasecmp(cat, "general")) { has_h323 = ast_variable_retrieve(ucfg, cat, "hash323"); if (ast_true(has_h323) || (!has_h323 && genhas_h323)) { user = build_user(cat, gen, ast_variable_browse(ucfg, cat), 0); if (user) { ASTOBJ_CONTAINER_LINK(&userl, user); ASTOBJ_UNREF(user, oh323_destroy_user); } peer = build_peer(cat, gen, ast_variable_browse(ucfg, cat), 0); if (peer) { ASTOBJ_CONTAINER_LINK(&peerl, peer); ASTOBJ_UNREF(peer, oh323_destroy_peer); } } } } ast_config_destroy(ucfg); } for (v = ast_variable_browse(cfg, "general"); v; v = v->next) { /* handle jb conf */ if (!ast_jb_read_conf(&global_jbconf, v->name, v->value)) continue; /* Create the interface list */ if (!strcasecmp(v->name, "port")) { h323_signalling_port = (int)strtol(v->value, NULL, 10); } else if (!strcasecmp(v->name, "bindaddr")) { if (!(hp = ast_gethostbyname(v->value, &ahp))) { ast_log(LOG_WARNING, "Invalid address: %s\n", v->value); } else { memcpy(&bindaddr.sin_addr, hp->h_addr, sizeof(bindaddr.sin_addr)); } } else if (!strcasecmp(v->name, "tos")) { /* Needs to be removed in next release */ ast_log(LOG_WARNING, "The \"tos\" setting is deprecated in this version of Asterisk. Please change to \"tos_audio\".\n"); if (ast_str2tos(v->value, &tos)) { ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno); } } else if (!strcasecmp(v->name, "tos_audio")) { if (ast_str2tos(v->value, &tos)) { ast_log(LOG_WARNING, "Invalid tos_audio value at line %d, refer to QoS documentation\n", v->lineno); } } else if (!strcasecmp(v->name, "cos")) { ast_log(LOG_WARNING, "The \"cos\" setting is deprecated in this version of Asterisk. Please change to \"cos_audio\".\n"); if (ast_str2cos(v->value, &cos)) { ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno); } } else if (!strcasecmp(v->name, "cos_audio")) { if (ast_str2cos(v->value, &cos)) { ast_log(LOG_WARNING, "Invalid cos_audio value at line %d, refer to QoS documentation\n", v->lineno); } } else if (!strcasecmp(v->name, "gatekeeper")) { if (!strcasecmp(v->value, "DISABLE")) { gatekeeper_disable = 1; } else if (!strcasecmp(v->value, "DISCOVER")) { gatekeeper_disable = 0; gatekeeper_discover = 1; } else { gatekeeper_disable = 0; ast_copy_string(gatekeeper, v->value, sizeof(gatekeeper)); } } else if (!strcasecmp(v->name, "secret")) { ast_copy_string(secret, v->value, sizeof(secret)); } else if (!strcasecmp(v->name, "AllowGKRouted")) { gkroute = ast_true(v->value); } else if (!strcasecmp(v->name, "context")) { ast_copy_string(default_context, v->value, sizeof(default_context)); ast_verb(2, "Setting default context to %s\n", default_context); } else if (!strcasecmp(v->name, "UserByAlias")) { userbyalias = ast_true(v->value); } else if (!strcasecmp(v->name, "AcceptAnonymous")) { acceptAnonymous = ast_true(v->value); } else if (!update_common_options(v, &global_options)) { /* dummy */ } } if (!global_options.dtmfmode) global_options.dtmfmode = H323_DTMF_RFC2833; if (global_options.holdHandling == ~0) global_options.holdHandling = 0; else if (!global_options.holdHandling) global_options.holdHandling = H323_HOLD_H450; for (cat = ast_category_browse(cfg, NULL); cat; cat = ast_category_browse(cfg, cat)) { if (strcasecmp(cat, "general")) { utype = ast_variable_retrieve(cfg, cat, "type"); if (utype) { is_user = is_peer = is_alias = 0; if (!strcasecmp(utype, "user")) is_user = 1; else if (!strcasecmp(utype, "peer")) is_peer = 1; else if (!strcasecmp(utype, "friend")) is_user = is_peer = 1; else if (!strcasecmp(utype, "h323") || !strcasecmp(utype, "alias")) is_alias = 1; else { ast_log(LOG_WARNING, "Unknown type '%s' for '%s' in %s\n", utype, cat, config); continue; } if (is_user) { user = build_user(cat, ast_variable_browse(cfg, cat), NULL, 0); if (user) { ASTOBJ_CONTAINER_LINK(&userl, user); ASTOBJ_UNREF(user, oh323_destroy_user); } } if (is_peer) { peer = build_peer(cat, ast_variable_browse(cfg, cat), NULL, 0); if (peer) { ASTOBJ_CONTAINER_LINK(&peerl, peer); ASTOBJ_UNREF(peer, oh323_destroy_peer); } } if (is_alias) { alias = build_alias(cat, ast_variable_browse(cfg, cat), NULL, 0); if (alias) { ASTOBJ_CONTAINER_LINK(&aliasl, alias); ASTOBJ_UNREF(alias, oh323_destroy_alias); } } } else { ast_log(LOG_WARNING, "Section '%s' lacks type\n", cat); } } } ast_config_destroy(cfg); /* Register our H.323 aliases if any*/ ASTOBJ_CONTAINER_WRLOCK(&aliasl); ASTOBJ_CONTAINER_TRAVERSE(&aliasl, 1, do { ASTOBJ_RDLOCK(iterator); if (h323_set_alias(iterator)) { ast_log(LOG_ERROR, "Alias %s rejected by endpoint\n", alias->name); ASTOBJ_UNLOCK(iterator); continue; } ASTOBJ_UNLOCK(iterator); } while (0) ); ASTOBJ_CONTAINER_UNLOCK(&aliasl); /* Don't touch GK if nothing changed because URQ will drop all existing calls */ gk_changed = 0; if (gatekeeper_disable != gk_disable) gk_changed = is_reload; else if(!gatekeeper_disable && (gatekeeper_discover != gk_discover)) gk_changed = is_reload; else if(!gatekeeper_disable && (strncmp(_gatekeeper, gatekeeper, sizeof(_gatekeeper)) != 0)) gk_changed = is_reload; if (gk_changed) { if(!gk_disable) h323_gk_urq(); if (!gatekeeper_disable) { if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) { ast_log(LOG_ERROR, "Gatekeeper registration failed.\n"); gatekeeper_disable = 1; } } } return 0; }
static void remote_hold | ( | unsigned | call_reference, |
const char * | token, | ||
int | is_hold | ||
) | [static] |
Definition at line 2507 of file chan_h323.c.
References ast_channel_trylock, ast_channel_unlock, AST_CONTROL_HOLD, AST_CONTROL_UNHOLD, ast_debug, ast_mutex_unlock(), ast_queue_control(), find_call_locked(), oh323_pvt::lock, oh323_pvt::newcontrol, and oh323_pvt::owner.
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Setting %shold status for connection %s\n", (is_hold ? "" : "un"), token); pvt = find_call_locked(call_reference, token); if (!pvt) return; if (pvt->owner && !ast_channel_trylock(pvt->owner)) { if (is_hold) ast_queue_control(pvt->owner, AST_CONTROL_HOLD); else ast_queue_control(pvt->owner, AST_CONTROL_UNHOLD); ast_channel_unlock(pvt->owner); } else { if (is_hold) pvt->newcontrol = AST_CONTROL_HOLD; else pvt->newcontrol = AST_CONTROL_UNHOLD; } ast_mutex_unlock(&pvt->lock); }
static int restart_monitor | ( | void | ) | [static] |
Definition at line 2601 of file chan_h323.c.
References ast_log(), ast_mutex_lock(), ast_mutex_unlock(), ast_pthread_create_background, AST_PTHREADT_NULL, AST_PTHREADT_STOP, do_monitor(), LOG_ERROR, LOG_WARNING, and monlock.
Referenced by h323_reload(), load_module(), and oh323_request().
{ /* If we're supposed to be stopped -- stay stopped */ if (ast_mutex_lock(&monlock)) { ast_log(LOG_WARNING, "Unable to lock monitor\n"); return -1; } if (monitor_thread == AST_PTHREADT_STOP) { ast_mutex_unlock(&monlock); return 0; } if (monitor_thread == pthread_self()) { ast_mutex_unlock(&monlock); ast_log(LOG_WARNING, "Cannot kill myself\n"); return -1; } if (monitor_thread && (monitor_thread != AST_PTHREADT_NULL)) { /* Wake up the thread */ pthread_kill(monitor_thread, SIGURG); } else { /* Start a new monitor */ if (ast_pthread_create_background(&monitor_thread, NULL, do_monitor, NULL) < 0) { monitor_thread = AST_PTHREADT_NULL; ast_mutex_unlock(&monlock); ast_log(LOG_ERROR, "Unable to start monitor thread.\n"); return -1; } } ast_mutex_unlock(&monlock); return 0; }
static void set_dtmf_payload | ( | unsigned | call_reference, |
const char * | token, | ||
int | payload, | ||
int | is_cisco | ||
) | [static] |
Definition at line 2422 of file chan_h323.c.
References ast_debug, ast_mutex_unlock(), ast_rtp_set_rtpmap_type(), oh323_pvt::dtmf_pt, find_call_locked(), oh323_pvt::lock, and oh323_pvt::rtp.
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Setting %s DTMF payload to %d on %s\n", (is_cisco ? "Cisco" : "RFC2833"), payload, token); pvt = find_call_locked(call_reference, token); if (!pvt) { return; } if (pvt->rtp) { ast_rtp_set_rtpmap_type(pvt->rtp, payload, "audio", (is_cisco ? "cisco-telephone-event" : "telephone-event"), 0); } pvt->dtmf_pt[is_cisco ? 1 : 0] = payload; ast_mutex_unlock(&pvt->lock); if (h323debug) ast_debug(1, "DTMF payload on %s set to %d\n", token, payload); }
static void set_local_capabilities | ( | unsigned | call_reference, |
const char * | token | ||
) | [static] |
Definition at line 2477 of file chan_h323.c.
References ast_debug, ast_getformatname(), ast_mutex_unlock(), capability, dtmfmode, find_call_locked(), ast_codec_pref::framing, oh323_pvt::jointcapability, oh323_pvt::lock, oh323_pvt::options, ast_codec_pref::order, and oh323_pvt::pref_codec.
Referenced by load_module().
{ struct oh323_pvt *pvt; int capability, dtmfmode, pref_codec; struct ast_codec_pref prefs; if (h323debug) ast_debug(1, "Setting capabilities for connection %s\n", token); pvt = find_call_locked(call_reference, token); if (!pvt) return; capability = (pvt->jointcapability) ? pvt->jointcapability : pvt->options.capability; dtmfmode = pvt->options.dtmfmode; prefs = pvt->options.prefs; pref_codec = pvt->pref_codec; ast_mutex_unlock(&pvt->lock); h323_set_capabilities(token, capability, dtmfmode, &prefs, pref_codec); if (h323debug) { int i; for (i = 0; i < 32; i++) { if (!prefs.order[i]) break; ast_debug(1, "local prefs[%d]=%s:%d\n", i, (prefs.order[i] ? ast_getformatname(1 << (prefs.order[i]-1)) : "<none>"), prefs.framing[i]); } ast_debug(1, "Capabilities for connection %s is set\n", token); } }
static void set_peer_capabilities | ( | unsigned | call_reference, |
const char * | token, | ||
int | capabilities, | ||
struct ast_codec_pref * | prefs | ||
) | [static] |
Definition at line 2442 of file chan_h323.c.
References ast_debug, ast_getformatname(), ast_mutex_unlock(), ast_rtp_codec_setpref(), capabilities, find_call_locked(), ast_codec_pref::framing, oh323_pvt::jointcapability, oh323_pvt::lock, oh323_pvt::options, ast_codec_pref::order, oh323_pvt::peer_prefs, oh323_pvt::peercapability, and oh323_pvt::rtp.
Referenced by load_module().
{ struct oh323_pvt *pvt; if (h323debug) ast_debug(1, "Got remote capabilities from connection %s\n", token); pvt = find_call_locked(call_reference, token); if (!pvt) return; pvt->peercapability = capabilities; pvt->jointcapability = pvt->options.capability & capabilities; if (prefs) { memcpy(&pvt->peer_prefs, prefs, sizeof(pvt->peer_prefs)); if (h323debug) { int i; for (i = 0; i < 32; ++i) { if (!prefs->order[i]) break; ast_debug(1, "prefs[%d]=%s:%d\n", i, (prefs->order[i] ? ast_getformatname(1 << (prefs->order[i]-1)) : "<none>"), prefs->framing[i]); } } if (pvt->rtp) { if (pvt->options.autoframing) { ast_debug(2, "Autoframing option set, using peer's packetization settings\n"); ast_rtp_codec_setpref(pvt->rtp, &pvt->peer_prefs); } else { ast_debug(2, "Autoframing option not set, ignoring peer's packetization settings\n"); ast_rtp_codec_setpref(pvt->rtp, &pvt->options.prefs); } } } ast_mutex_unlock(&pvt->lock); }
static call_options_t* setup_incoming_call | ( | call_details_t * | cd | ) | [static] |
Call-back function for incoming calls.
Returns 1 on success
Definition at line 2104 of file chan_h323.c.
References oh323_pvt::accountcode, oh323_pvt::amaflags, ast_copy_string(), ast_debug, ast_inet_ntoa(), ast_log(), ast_strlen_zero(), ast_verb, ASTOBJ_UNREF, oh323_pvt::cd, cleanup_call_details(), oh323_pvt::context, oh323_pvt::exten, find_alias(), find_user(), oh323_pvt::jointcapability, LOG_ERROR, LOG_NOTICE, oh323_alloc(), oh323_destroy(), oh323_destroy_user(), and oh323_pvt::options.
Referenced by load_module().
{ struct oh323_pvt *pvt; struct oh323_user *user = NULL; struct oh323_alias *alias = NULL; if (h323debug) ast_debug(1, "Setting up incoming call for %s\n", cd->call_token); /* allocate the call*/ pvt = oh323_alloc(cd->call_reference); if (!pvt) { ast_log(LOG_ERROR, "Unable to allocate private structure, this is bad.\n"); cleanup_call_details(cd); return NULL; } /* Populate the call details in the private structure */ memcpy(&pvt->cd, cd, sizeof(pvt->cd)); memcpy(&pvt->options, &global_options, sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (h323debug) { ast_verb(3, "Setting up Call\n"); ast_verb(3, " \tCall token: [%s]\n", pvt->cd.call_token); ast_verb(3, " \tCalling party name: [%s]\n", pvt->cd.call_source_name); ast_verb(3, " \tCalling party number: [%s]\n", pvt->cd.call_source_e164); ast_verb(3, " \tCalled party name: [%s]\n", pvt->cd.call_dest_alias); ast_verb(3, " \tCalled party number: [%s]\n", pvt->cd.call_dest_e164); if (pvt->cd.redirect_reason >= 0) ast_verb(3, " \tRedirecting party number: [%s] (reason %d)\n", pvt->cd.redirect_number, pvt->cd.redirect_reason); ast_verb(3, " \tCalling party IP: [%s]\n", pvt->cd.sourceIp); } /* Decide if we are allowing Gatekeeper routed calls*/ if ((!strcasecmp(cd->sourceIp, gatekeeper)) && (gkroute == -1) && !gatekeeper_disable) { if (!ast_strlen_zero(cd->call_dest_e164)) { ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten)); ast_copy_string(pvt->context, default_context, sizeof(pvt->context)); } else { alias = find_alias(cd->call_dest_alias, 1); if (!alias) { ast_log(LOG_ERROR, "Call for %s rejected, alias not found\n", cd->call_dest_alias); oh323_destroy(pvt); return NULL; } ast_copy_string(pvt->exten, alias->name, sizeof(pvt->exten)); ast_copy_string(pvt->context, alias->context, sizeof(pvt->context)); } } else { /* Either this call is not from the Gatekeeper or we are not allowing gk routed calls */ user = find_user(cd, 1); if (!user) { if (!acceptAnonymous) { ast_log(LOG_NOTICE, "Anonymous call from '%s@%s' rejected\n", pvt->cd.call_source_aliases, pvt->cd.sourceIp); oh323_destroy(pvt); return NULL; } if (ast_strlen_zero(default_context)) { ast_log(LOG_ERROR, "Call from '%s@%s' rejected due to no default context\n", pvt->cd.call_source_aliases, pvt->cd.sourceIp); oh323_destroy(pvt); return NULL; } ast_copy_string(pvt->context, default_context, sizeof(pvt->context)); if (!ast_strlen_zero(pvt->cd.call_dest_e164)) { ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten)); } else { ast_copy_string(pvt->exten, cd->call_dest_alias, sizeof(pvt->exten)); } if (h323debug) ast_debug(1, "Sending %s@%s to context [%s] extension %s\n", cd->call_source_aliases, cd->sourceIp, pvt->context, pvt->exten); } else { if (user->host) { if (strcasecmp(cd->sourceIp, ast_inet_ntoa(user->addr.sin_addr))) { if (ast_strlen_zero(user->context)) { if (ast_strlen_zero(default_context)) { ast_log(LOG_ERROR, "Call from '%s' rejected due to non-matching IP address (%s) and no default context\n", user->name, cd->sourceIp); oh323_destroy(pvt); ASTOBJ_UNREF(user, oh323_destroy_user); return NULL; } ast_copy_string(pvt->context, default_context, sizeof(pvt->context)); } else { ast_copy_string(pvt->context, user->context, sizeof(pvt->context)); } pvt->exten[0] = 'i'; pvt->exten[1] = '\0'; ast_log(LOG_ERROR, "Call from '%s' rejected due to non-matching IP address (%s)s\n", user->name, cd->sourceIp); oh323_destroy(pvt); ASTOBJ_UNREF(user, oh323_destroy_user); return NULL; /* XXX: Hmmm... Why to setup context if we drop connection immediately??? */ } } ast_copy_string(pvt->context, user->context, sizeof(pvt->context)); memcpy(&pvt->options, &user->options, sizeof(pvt->options)); pvt->jointcapability = pvt->options.capability; if (!ast_strlen_zero(pvt->cd.call_dest_e164)) { ast_copy_string(pvt->exten, cd->call_dest_e164, sizeof(pvt->exten)); } else { ast_copy_string(pvt->exten, cd->call_dest_alias, sizeof(pvt->exten)); } if (!ast_strlen_zero(user->accountcode)) { ast_copy_string(pvt->accountcode, user->accountcode, sizeof(pvt->accountcode)); } if (user->amaflags) { pvt->amaflags = user->amaflags; } ASTOBJ_UNREF(user, oh323_destroy_user); } } return &pvt->options; }
static int setup_outgoing_call | ( | call_details_t * | cd | ) | [static] |
Call-back function to establish an outgoing H.323 call.
Returns 1 on success
Definition at line 2303 of file chan_h323.c.
References cleanup_call_details().
Referenced by load_module().
{ /* Use argument here or free it immediately */ cleanup_call_details(cd); return 1; }
static void setup_rtp_connection | ( | unsigned | call_reference, |
const char * | remoteIp, | ||
int | remotePort, | ||
const char * | token, | ||
int | pt | ||
) | [static] |
Call-back function passing remote ip/port information from H.323 to asterisk.
Returns nothing
Definition at line 1940 of file chan_h323.c.
References __oh323_rtp_create(), oh323_pvt::alreadygone, ast_channel_trylock, ast_channel_unlock, AST_CONTROL_HOLD, AST_CONTROL_PROGRESS, AST_CONTROL_UNHOLD, ast_debug, AST_FORMAT_G726_AAL2, ast_log(), ast_mutex_unlock(), ast_queue_control(), ast_rtp_lookup_pt(), AST_RTP_OPT_G726_NONSTANDARD, ast_rtp_set_peer(), ast_rtp_set_rtpmap_type(), ast_rtp_stop(), ast_set_read_format(), ast_set_write_format(), rtpPayloadType::code, find_call_locked(), oh323_pvt::jointcapability, oh323_pvt::lock, LOG_ERROR, LOG_NOTICE, ast_channel::nativeformats, oh323_pvt::nativeformats, oh323_pvt::newcontrol, oh323_pvt::options, oh323_pvt::owner, ast_channel::readformat, oh323_pvt::recvonly, oh323_pvt::rtp, and ast_channel::writeformat.
Referenced by load_module().
{ struct oh323_pvt *pvt; struct sockaddr_in them; struct rtpPayloadType rtptype; int nativeformats_changed; enum { NEED_NONE, NEED_HOLD, NEED_UNHOLD } rtp_change = NEED_NONE; if (h323debug) ast_debug(1, "Setting up RTP connection for %s\n", token); /* Find the call or allocate a private structure if call not found */ pvt = find_call_locked(call_reference, token); if (!pvt) { ast_log(LOG_ERROR, "Something is wrong: rtp\n"); return; } if (pvt->alreadygone) { ast_mutex_unlock(&pvt->lock); return; } if (!pvt->rtp) __oh323_rtp_create(pvt); if ((pt == 2) && (pvt->jointcapability & AST_FORMAT_G726_AAL2)) { ast_rtp_set_rtpmap_type(pvt->rtp, pt, "audio", "G726-32", AST_RTP_OPT_G726_NONSTANDARD); } them.sin_family = AF_INET; /* only works for IPv4 */ them.sin_addr.s_addr = inet_addr(remoteIp); them.sin_port = htons(remotePort); if (them.sin_addr.s_addr) { ast_rtp_set_peer(pvt->rtp, &them); if (pvt->recvonly) { pvt->recvonly = 0; rtp_change = NEED_UNHOLD; } } else { ast_rtp_stop(pvt->rtp); if (!pvt->recvonly) { pvt->recvonly = 1; rtp_change = NEED_HOLD; } } /* Change native format to reflect information taken from OLC/OLCAck */ nativeformats_changed = 0; if (pt != 128 && pvt->rtp) { /* Payload type is invalid, so try to use previously decided */ rtptype = ast_rtp_lookup_pt(pvt->rtp, pt); if (h323debug) ast_debug(1, "Native format is set to %d from %d by RTP payload type %d\n", rtptype.code, pvt->nativeformats, pt); if (pvt->nativeformats != rtptype.code) { pvt->nativeformats = rtptype.code; nativeformats_changed = 1; } } else if (h323debug) ast_log(LOG_NOTICE, "Payload type is unknown, formats isn't changed\n"); /* Don't try to lock the channel if nothing changed */ if (nativeformats_changed || pvt->options.progress_audio || (rtp_change != NEED_NONE)) { if (pvt->owner && !ast_channel_trylock(pvt->owner)) { /* Re-build translation path only if native format(s) has been changed */ if (pvt->owner->nativeformats != pvt->nativeformats) { if (h323debug) ast_debug(1, "Native format changed to %d from %d, read format is %d, write format is %d\n", pvt->nativeformats, pvt->owner->nativeformats, pvt->owner->readformat, pvt->owner->writeformat); pvt->owner->nativeformats = pvt->nativeformats; ast_set_read_format(pvt->owner, pvt->owner->readformat); ast_set_write_format(pvt->owner, pvt->owner->writeformat); } if (pvt->options.progress_audio) ast_queue_control(pvt->owner, AST_CONTROL_PROGRESS); switch (rtp_change) { case NEED_HOLD: ast_queue_control(pvt->owner, AST_CONTROL_HOLD); break; case NEED_UNHOLD: ast_queue_control(pvt->owner, AST_CONTROL_UNHOLD); break; default: break; } ast_channel_unlock(pvt->owner); } else { if (pvt->options.progress_audio) pvt->newcontrol = AST_CONTROL_PROGRESS; else if (rtp_change == NEED_HOLD) pvt->newcontrol = AST_CONTROL_HOLD; else if (rtp_change == NEED_UNHOLD) pvt->newcontrol = AST_CONTROL_UNHOLD; if (h323debug) ast_debug(1, "RTP connection preparation for %s is pending...\n", token); } } ast_mutex_unlock(&pvt->lock); if (h323debug) ast_debug(1, "RTP connection prepared for %s\n", token); return; }
static int unload_module | ( | void | ) | [static] |
Definition at line 3329 of file chan_h323.c.
References aliasl, ast_channel_unregister(), ast_cli_unregister(), ast_cli_unregister_multiple(), ast_free, ast_log(), ast_mutex_destroy(), ast_mutex_lock(), ast_mutex_unlock(), AST_PTHREADT_NULL, AST_PTHREADT_STOP, ast_rtp_proto_unregister(), ast_softhangup(), AST_SOFTHANGUP_APPUNLOAD, ASTOBJ_CONTAINER_DESTROY, ASTOBJ_CONTAINER_DESTROYALL, iflist, iflock, io_context_destroy(), oh323_pvt::lock, LOG_WARNING, monlock, oh323_pvt::next, oh323_destroy_alias(), oh323_destroy_peer(), oh323_destroy_user(), oh323_pvt::owner, peerl, sched_context_destroy(), and userl.
{ struct oh323_pvt *p, *pl; /* unregister commands */ ast_cli_unregister_multiple(cli_h323, sizeof(cli_h323) / sizeof(struct ast_cli_entry)); ast_cli_unregister(&cli_h323_reload); ast_channel_unregister(&oh323_tech); ast_rtp_proto_unregister(&oh323_rtp); if (!ast_mutex_lock(&iflock)) { /* hangup all interfaces if they have an owner */ p = iflist; while(p) { if (p->owner) { ast_softhangup(p->owner, AST_SOFTHANGUP_APPUNLOAD); } p = p->next; } iflist = NULL; ast_mutex_unlock(&iflock); } else { ast_log(LOG_WARNING, "Unable to lock the interface list\n"); return -1; } if (!ast_mutex_lock(&monlock)) { if ((monitor_thread != AST_PTHREADT_STOP) && (monitor_thread != AST_PTHREADT_NULL)) { if (monitor_thread != pthread_self()) { pthread_cancel(monitor_thread); } pthread_kill(monitor_thread, SIGURG); pthread_join(monitor_thread, NULL); } monitor_thread = AST_PTHREADT_STOP; ast_mutex_unlock(&monlock); } else { ast_log(LOG_WARNING, "Unable to lock the monitor\n"); return -1; } if (!ast_mutex_lock(&iflock)) { /* destroy all the interfaces and free their memory */ p = iflist; while(p) { pl = p; p = p->next; /* free associated memory */ ast_mutex_destroy(&pl->lock); ast_free(pl); } iflist = NULL; ast_mutex_unlock(&iflock); } else { ast_log(LOG_WARNING, "Unable to lock the interface list\n"); return -1; } if (!gatekeeper_disable) h323_gk_urq(); h323_end_process(); if (io) io_context_destroy(io); if (sched) sched_context_destroy(sched); ASTOBJ_CONTAINER_DESTROYALL(&userl, oh323_destroy_user); ASTOBJ_CONTAINER_DESTROY(&userl); ASTOBJ_CONTAINER_DESTROYALL(&peerl, oh323_destroy_peer); ASTOBJ_CONTAINER_DESTROY(&peerl); ASTOBJ_CONTAINER_DESTROYALL(&aliasl, oh323_destroy_alias); ASTOBJ_CONTAINER_DESTROY(&aliasl); return 0; }
static int update_common_options | ( | struct ast_variable * | v, |
struct call_options * | options | ||
) | [static] |
Definition at line 1255 of file chan_h323.c.
References ast_callerid_split(), ast_copy_string(), ast_log(), ast_parse_allow_disallow(), ast_strdupa, ast_true(), ast_variable::lineno, LOG_NOTICE, LOG_WARNING, ast_variable::name, val, and ast_variable::value.
Referenced by build_peer(), build_user(), and reload_config().
{ int tmp = 0; char *val, *opt; if (!strcasecmp(v->name, "allow")) { ast_parse_allow_disallow(&options->prefs, &options->capability, v->value, 1); } else if (!strcasecmp(v->name, "autoframing")) { options->autoframing = ast_true(v->value); } else if (!strcasecmp(v->name, "disallow")) { ast_parse_allow_disallow(&options->prefs, &options->capability, v->value, 0); } else if (!strcasecmp(v->name, "dtmfmode")) { val = ast_strdupa(v->value); if ((opt = strchr(val, ':')) != (char *)NULL) { *opt++ = '\0'; tmp = atoi(opt); } if (!strcasecmp(v->value, "inband")) { options->dtmfmode |= H323_DTMF_INBAND; } else if (!strcasecmp(val, "rfc2833")) { options->dtmfmode |= H323_DTMF_RFC2833; if (!opt) { options->dtmfcodec[0] = H323_DTMF_RFC2833_PT; } else if ((tmp >= 96) && (tmp < 128)) { options->dtmfcodec[0] = tmp; } else { options->dtmfcodec[0] = H323_DTMF_RFC2833_PT; ast_log(LOG_WARNING, "Unknown rfc2833 payload %s specified at line %d, using default %d\n", opt, v->lineno, options->dtmfcodec[0]); } } else if (!strcasecmp(val, "cisco")) { options->dtmfmode |= H323_DTMF_CISCO; if (!opt) { options->dtmfcodec[1] = H323_DTMF_CISCO_PT; } else if ((tmp >= 96) && (tmp < 128)) { options->dtmfcodec[1] = tmp; } else { options->dtmfcodec[1] = H323_DTMF_CISCO_PT; ast_log(LOG_WARNING, "Unknown Cisco DTMF payload %s specified at line %d, using default %d\n", opt, v->lineno, options->dtmfcodec[1]); } } else if (!strcasecmp(v->value, "h245-signal")) { options->dtmfmode |= H323_DTMF_SIGNAL; } else { ast_log(LOG_WARNING, "Unknown dtmf mode '%s' at line %d\n", v->value, v->lineno); } } else if (!strcasecmp(v->name, "dtmfcodec")) { ast_log(LOG_NOTICE, "Option %s at line %d is deprecated. Use dtmfmode=rfc2833[:<payload>] instead.\n", v->name, v->lineno); tmp = atoi(v->value); if (tmp < 96) ast_log(LOG_WARNING, "Invalid %s value %s at line %d\n", v->name, v->value, v->lineno); else options->dtmfcodec[0] = tmp; } else if (!strcasecmp(v->name, "bridge")) { options->bridge = ast_true(v->value); } else if (!strcasecmp(v->name, "nat")) { options->nat = ast_true(v->value); } else if (!strcasecmp(v->name, "fastStart")) { options->fastStart = ast_true(v->value); } else if (!strcasecmp(v->name, "h245Tunneling")) { options->h245Tunneling = ast_true(v->value); } else if (!strcasecmp(v->name, "silenceSuppression")) { options->silenceSuppression = ast_true(v->value); } else if (!strcasecmp(v->name, "progress_setup")) { tmp = atoi(v->value); if ((tmp != 0) && (tmp != 1) && (tmp != 3) && (tmp != 8)) { ast_log(LOG_WARNING, "Invalid value %s for %s at line %d, assuming 0\n", v->value, v->name, v->lineno); tmp = 0; } options->progress_setup = tmp; } else if (!strcasecmp(v->name, "progress_alert")) { tmp = atoi(v->value); if ((tmp != 0) && (tmp != 1) && (tmp != 8)) { ast_log(LOG_WARNING, "Invalid value %s for %s at line %d, assuming 0\n", v->value, v->name, v->lineno); tmp = 0; } options->progress_alert = tmp; } else if (!strcasecmp(v->name, "progress_audio")) { options->progress_audio = ast_true(v->value); } else if (!strcasecmp(v->name, "callerid")) { ast_callerid_split(v->value, options->cid_name, sizeof(options->cid_name), options->cid_num, sizeof(options->cid_num)); } else if (!strcasecmp(v->name, "fullname")) { ast_copy_string(options->cid_name, v->value, sizeof(options->cid_name)); } else if (!strcasecmp(v->name, "cid_number")) { ast_copy_string(options->cid_num, v->value, sizeof(options->cid_num)); } else if (!strcasecmp(v->name, "tunneling")) { if (!strcasecmp(v->value, "none")) options->tunnelOptions = 0; else if (!strcasecmp(v->value, "cisco")) options->tunnelOptions |= H323_TUNNEL_CISCO; else if (!strcasecmp(v->value, "qsig")) options->tunnelOptions |= H323_TUNNEL_QSIG; else ast_log(LOG_WARNING, "Invalid value %s for %s at line %d\n", v->value, v->name, v->lineno); } else if (!strcasecmp(v->name, "hold")) { if (!strcasecmp(v->value, "none")) options->holdHandling = ~0; else if (!strcasecmp(v->value, "notify")) options->holdHandling |= H323_HOLD_NOTIFY; else if (!strcasecmp(v->value, "q931only")) options->holdHandling |= H323_HOLD_NOTIFY | H323_HOLD_Q931ONLY; else if (!strcasecmp(v->value, "h450")) options->holdHandling |= H323_HOLD_H450; else ast_log(LOG_WARNING, "Invalid value %s for %s at line %d\n", v->value, v->name, v->lineno); } else return 1; return 0; }
static int update_state | ( | struct oh323_pvt * | pvt, |
int | state, | ||
int | signal | ||
) | [static] |
Definition at line 1174 of file chan_h323.c.
References ast_channel_trylock, ast_channel_unlock, ast_queue_control(), ast_setstate(), oh323_pvt::newcontrol, oh323_pvt::newstate, and oh323_pvt::owner.
Referenced by chan_ringing(), connection_made(), and progress().
{ if (!pvt) return 0; if (pvt->owner && !ast_channel_trylock(pvt->owner)) { if (state >= 0) ast_setstate(pvt->owner, state); if (signal >= 0) ast_queue_control(pvt->owner, signal); ast_channel_unlock(pvt->owner); return 1; } else { if (state >= 0) pvt->newstate = state; if (signal >= 0) pvt->newcontrol = signal; return 0; } }
struct ast_module_info __MODULE_INFO_SECTION __mod_info = { __MODULE_INFO_GLOBALS .name = AST_MODULE, .flags = AST_MODFLAG_DEFAULT , .description = "The NuFone Network's OpenH323 Channel Driver" , .key = ASTERISK_GPL_KEY , .buildopt_sum = AST_BUILDOPT_SUM, .load = load_module, .unload = unload_module, .reload = reload, } [static] |
Definition at line 3407 of file chan_h323.c.
int acceptAnonymous = 1 [static] |
Definition at line 142 of file chan_h323.c.
struct h323_alias_list aliasl [static] |
Referenced by build_alias(), delete_aliases(), find_alias(), load_module(), reload_config(), and unload_module().
struct ast_module_info* ast_module_info = &__mod_info [static] |
Definition at line 3407 of file chan_h323.c.
struct sockaddr_in bindaddr [static] |
Definition at line 130 of file chan_h323.c.
Referenced by __oh323_rtp_create(), load_module(), and reload_config().
ast_mutex_t caplock = AST_MUTEX_INIT_VALUE [static] |
Protect the H.323 capabilities list, to avoid more than one channel to set the capabilities simultaneaously in the h323 stack.
Definition at line 218 of file chan_h323.c.
Referenced by oh323_request().
struct ast_cli_entry cli_h323[] [static] |
Definition at line 2777 of file chan_h323.c.
struct ast_cli_entry cli_h323_reload [static] |
AST_CLI_DEFINE(handle_cli_h323_reload, "Reload H.323 configuration")
Definition at line 3138 of file chan_h323.c.
const char config[] = "h323.conf" [static] |
Definition at line 128 of file chan_h323.c.
unsigned int cos = 0 [static] |
Definition at line 144 of file chan_h323.c.
Referenced by ast_playtones_start(), callerid_init(), goertzel_init(), tdd_init(), and tonepair_alloc().
char default_context[AST_MAX_CONTEXT] = "default" [static] |
Definition at line 129 of file chan_h323.c.
struct ast_jb_conf default_jbconf [static] |
Global jitterbuffer configuration - by default, jb is disabled.
Definition at line 116 of file chan_h323.c.
char gatekeeper[100] [static] |
Definition at line 136 of file chan_h323.c.
int gatekeeper_disable = 1 [static] |
Definition at line 137 of file chan_h323.c.
Referenced by reload_config().
int gatekeeper_discover = 0 [static] |
Definition at line 138 of file chan_h323.c.
Referenced by reload_config().
int gkroute = 0 [static] |
Definition at line 139 of file chan_h323.c.
struct ast_jb_conf global_jbconf [static] |
Definition at line 124 of file chan_h323.c.
Referenced by __oh323_rtp_create(), __oh323_update_info(), and reload_config().
call_options_t global_options [static] |
Definition at line 148 of file chan_h323.c.
ast_mutex_t h323_reload_lock = AST_MUTEX_INIT_VALUE [static] |
Protect the reload process.
Definition at line 221 of file chan_h323.c.
Referenced by do_monitor(), and h323_reload().
int h323_reloading = 0 [static] |
Definition at line 222 of file chan_h323.c.
Referenced by do_monitor().
int h323_signalling_port = 1720 [static] |
int h323debug |
global debug flag
Definition at line 113 of file chan_h323.c.
Referenced by __oh323_destroy(), do_monitor(), find_call_locked(), oh323_alloc(), and unload_module().
ast_mutex_t iflock = AST_MUTEX_INIT_VALUE [static] |
Protect the interface list (oh323_pvt)
Definition at line 211 of file chan_h323.c.
Referenced by do_monitor(), find_call_locked(), oh323_alloc(), oh323_destroy(), and unload_module().
struct io_context* io [static] |
Definition at line 209 of file chan_h323.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 226 of file chan_h323.c.
ast_mutex_t monlock = AST_MUTEX_INIT_VALUE [static] |
Protect the H.323 monitoring thread, so only one process can kill or start it, and not when it's doing something critical.
Definition at line 215 of file chan_h323.c.
Referenced by do_monitor(), restart_monitor(), and unload_module().
struct ast_rtp_protocol oh323_rtp [static] |
Definition at line 3219 of file chan_h323.c.
struct ast_channel_tech oh323_tech [static] |
Definition at line 245 of file chan_h323.c.
Referenced by __oh323_new().
answer_call_cb on_answer_call |
Definition at line 105 of file chan_h323.c.
chan_ringing_cb on_chan_ringing |
Definition at line 102 of file chan_h323.c.
clear_con_cb on_connection_cleared |
Definition at line 104 of file chan_h323.c.
con_established_cb on_connection_established |
Definition at line 103 of file chan_h323.c.
on_rtp_cb on_external_rtp_create |
Definition at line 98 of file chan_h323.c.
hangup_cb on_hangup |
Definition at line 108 of file chan_h323.c.
onhold_cb on_hold |
Definition at line 111 of file chan_h323.c.
setup_incoming_cb on_incoming_call |
Definition at line 100 of file chan_h323.c.
setup_outbound_cb on_outgoing_call |
Definition at line 101 of file chan_h323.c.
progress_cb on_progress |
Definition at line 106 of file chan_h323.c.
receive_digit_cb on_receive_digit |
Definition at line 97 of file chan_h323.c.
rfc2833_cb on_set_rfc2833_payload |
Definition at line 107 of file chan_h323.c.
setcapabilities_cb on_setcapabilities |
Definition at line 109 of file chan_h323.c.
setpeercapabilities_cb on_setpeercapabilities |
Definition at line 110 of file chan_h323.c.
start_rtp_cb on_start_rtp_channel |
Definition at line 99 of file chan_h323.c.
struct h323_peer_list peerl [static] |
Referenced by build_peer(), delete_users(), find_peer(), load_module(), prune_peers(), reload_config(), and unload_module().
struct sched_context* sched [static] |
Definition at line 208 of file chan_h323.c.
char secret[50] [static] |
Definition at line 145 of file chan_h323.c.
Referenced by add_realm_authentication(), aji_act_hook(), authenticate_verify(), build_peer(), build_reply_digest(), build_user(), cache_get_callno_locked(), check_access(), decrypt_frame(), iax2_call(), iax2_register(), read_agent_config(), register_verify(), reload_config(), set_config(), set_peer_defaults(), sip_register(), sip_request_call(), and sip_subscribe_mwi().
const char tdesc[] = "The NuFone Network's Open H.323 Channel Driver" [static] |
Variables required by Asterisk
Definition at line 127 of file chan_h323.c.
unsigned int tos = 0 [static] |
Definition at line 143 of file chan_h323.c.
unsigned int unique = 0 [static] |
Definition at line 146 of file chan_h323.c.
int userbyalias = 1 [static] |
Definition at line 141 of file chan_h323.c.
struct h323_user_list userl [static] |
Referenced by build_user(), delete_users(), find_user(), load_module(), reload_config(), and unload_module().