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authorjeremy <jeremy@f38db490-d61c-443f-a65b-d21fe96a405b>2003-08-16 17:00:22 +0000
committerjeremy <jeremy@f38db490-d61c-443f-a65b-d21fe96a405b>2003-08-16 17:00:22 +0000
commit2a6e56017154bbf1ca5c5fb3a43d92174daf9c30 (patch)
tree0acee323343cd258c874d8a574a8124fd1045aa5 /channels/h323/chan_h323.c
parente5f350c934aea3720c036f60d481e44e9ce853de (diff)
Add H323 to normal build process
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@1355 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'channels/h323/chan_h323.c')
-rwxr-xr-xchannels/h323/chan_h323.c1770
1 files changed, 0 insertions, 1770 deletions
diff --git a/channels/h323/chan_h323.c b/channels/h323/chan_h323.c
deleted file mode 100755
index 9ab65122c..000000000
--- a/channels/h323/chan_h323.c
+++ /dev/null
@@ -1,1770 +0,0 @@
-/*
- * chan_h323.c
- *
- * OpenH323 Channel Driver for ASTERISK PBX.
- * By Jeremy McNamara
- * For The NuFone Network
- *
- * This code has been derived from code created by
- * Michael Manousos and Mark Spencer
- *
- * This file is part of the chan_h323 driver for Asterisk
- *
- * chan_h323 is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * chan_h323 is distributed WITHOUT ANY WARRANTY; without even
- * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- * PURPOSE. See the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-
-#include <stdio.h>
-#include <pthread.h>
-#include <string.h>
-#include <asterisk/lock.h>
-#include <asterisk/logger.h>
-#include <asterisk/channel.h>
-#include <asterisk/channel_pvt.h>
-#include <asterisk/config.h>
-#include <asterisk/module.h>
-#include <asterisk/pbx.h>
-#include <asterisk/options.h>
-#include <asterisk/lock.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 <sys/socket.h>
-#include <net/if.h>
-#include <errno.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <netdb.h>
-#include <sys/signal.h>
-#include <netinet/ip.h>
-
-
-#include "chan_h323.h"
-
-/** String variables required by ASTERISK */
-static char *type = "H323";
-static char *desc = "The NuFone Network's Open H.323 Channel Driver";
-static char *tdesc = "The NuFone Network's Open H.323 Channel Driver";
-static char *config = "h323.conf";
-
-static char default_context[AST_MAX_EXTENSION];
-
-/** H.323 configuration values */
-static char gatekeeper[100];
-static int gatekeeper_disable = 1;
-static int gatekeeper_discover = 0;
-static int usingGk;
-static int port = 1720;
-static int gkroute = 0;
-
-/* Just about everybody seems to support ulaw, so make it a nice default */
-static int capability = AST_FORMAT_ULAW;
-
-/* TOS flag */
-static int tos = 0;
-
-static int dtmfmode = H323_DTMF_RFC2833;
-
-static char secret[50];
-
-/** Private structure of a OpenH323 channel */
-struct oh323_pvt {
- ast_mutex_t lock; /* Channel private lock */
- call_options_t calloptions; /* Options to be used during call setup */
- int alreadygone; /* Whether or not we've already been destroyed by or peer */
- int needdestroy; /* if we need to be destroyed */
- call_details_t cd; /* Call details */
- struct ast_channel *owner; /* Who owns us */
- int capability; /* Special capability */
- int nonCodecCapability;
- int outgoing; /* Outgoing or incoming call? */
- int nat; /* Are we talking to a NAT EP?*/
- int bridge; /* Determine of we should native bridge or not*/
- char exten[AST_MAX_EXTENSION]; /* Requested extension */
- char context[AST_MAX_EXTENSION]; /* Context where to start */
- char username[81]; /* H.323 alias using this channel */
- char accountcode[256]; /* Account code */
- int amaflags; /* AMA Flags */
- char callerid[80]; /* Caller*ID if available */
- struct ast_rtp *rtp; /* RTP Session */
- int dtmfmode;
- struct ast_dsp *vad; /* Used for in-band DTMF detection */
- struct oh323_pvt *next; /* Next channel in list */
-} *iflist = NULL;
-
-static struct ast_user_list {
- struct oh323_user *users;
- ast_mutex_t lock;
-} userl = { NULL, AST_MUTEX_INITIALIZER };
-
-static struct ast_peer_list {
- struct oh323_peer *peers;
- ast_mutex_t lock;
-} peerl = { NULL, AST_MUTEX_INITIALIZER };
-
-static struct ast_alias_list {
- struct oh323_alias *aliases;
- ast_mutex_t lock;
-} aliasl = { NULL, AST_MUTEX_INITIALIZER };
-
-/** Asterisk RTP stuff*/
-static struct sched_context *sched;
-static struct io_context *io;
-
-/** Protect the interface list (of oh323_pvt's) */
-static ast_mutex_t iflock = AST_MUTEX_INITIALIZER;
-
-/** Usage counter and associated lock */
-static int usecnt =0;
-static ast_mutex_t usecnt_lock = AST_MUTEX_INITIALIZER;
-
-/* Protect the monitoring thread, so only one process can kill or start it, and not
- when it's doing something critical. */
-static ast_mutex_t monlock = AST_MUTEX_INITIALIZER;
-
-/* This is the thread for the monitor which checks for input on the channels
- which are not currently in use. */
-static pthread_t monitor_thread = 0;
-
-static int restart_monitor(void);
-
-static void __oh323_destroy(struct oh323_pvt *p)
-{
- struct oh323_pvt *cur, *prev = NULL;
-
- if (p->rtp) {
- ast_rtp_destroy(p->rtp);
- }
-
- /* Unlink us from the owner if we have one */
- if (p->owner) {
- ast_mutex_lock(&p->owner->lock);
- ast_log(LOG_DEBUG, "Detaching from %s\n", p->owner->name);
- p->owner->pvt->pvt = NULL;
- ast_mutex_unlock(&p->owner->lock);
- }
- cur = iflist;
- while(cur) {
- if (cur == p) {
- 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
- free(p);
-}
-
-static void oh323_destroy(struct oh323_pvt *p)
-{
- ast_mutex_lock(&iflock);
- __oh323_destroy(p);
- ast_mutex_unlock(&iflock);
-}
-
-static struct oh323_alias *build_alias(char *name, struct ast_variable *v)
-{
- struct oh323_alias *alias;
-
- alias = (struct oh323_alias *)malloc(sizeof(struct oh323_alias));
-
- if (alias) {
- memset(alias, 0, sizeof(struct oh323_alias));
- strncpy(alias->name, name, sizeof(alias->name)-1);
-
- while (v) {
- if (!strcasecmp(v->name, "e164")) {
- strncpy(alias->e164, v->value, sizeof(alias->e164)-1);
- } else if (!strcasecmp(v->name, "prefix")) {
- strncpy(alias->prefix, v->value, sizeof(alias->prefix)-1);
- } else if (!strcasecmp(v->name, "context")) {
- strncpy(alias->context, v->value, sizeof(alias->context)-1);
- } else if (!strcasecmp(v->name, "secret")) {
- strncpy(alias->secret, v->value, sizeof(alias->secret)-1);
- }
- v = v->next;
- }
- }
- return alias;
-}
-
-static struct oh323_user *build_user(char *name, struct ast_variable *v)
-{
- struct oh323_user *user;
- int format;
-
- user = (struct oh323_user *)malloc(sizeof(struct oh323_user));
- if (user) {
- memset(user, 0, sizeof(struct oh323_user));
- strncpy(user->name, name, sizeof(user->name)-1);
-
- /* set the usage flag to a sane starting value*/
- user->inUse = 0;
- /* Assume we can native bridge */
- user->bridge = 1;
-
- while(v) {
- if (!strcasecmp(v->name, "context")) {
- strncpy(user->context, v->value, sizeof(user->context)-1);
- } else if (!strcasecmp(v->name, "bridge")) {
- user->bridge = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noFastStart")) {
- user->noFastStart = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noH245Tunneling")) {
- user->noH245Tunneling = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noSilenceSuppression")) {
- user->noSilenceSuppression = ast_true(v->value);
- } else if (!strcasecmp(v->name, "secret")) {
- strncpy(user->secret, v->value, sizeof(user->secret)-1);
- } else if (!strcasecmp(v->name, "callerid")) {
- strncpy(user->callerid, v->value, sizeof(user->callerid)-1);
- } else if (!strcasecmp(v->name, "accountcode")) {
- strncpy(user->accountcode, v->value, sizeof(user->accountcode)-1);
- } else if (!strcasecmp(v->name, "incominglimit")) {
- user->incominglimit = atoi(v->value);
- if (user->incominglimit < 0)
- user->incominglimit = 0;
- } else if (!strcasecmp(v->name, "host")) {
- if (!strcasecmp(v->value, "dynamic")) {
- ast_log(LOG_ERROR, "Dynamic host configuration not implemented, yet!\n");
- free(user);
- return NULL;
- } else if (ast_get_ip(&user->addr, v->value)) {
- free(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;
- }
- }
- v = v->next;
- }
- }
- return user;
-}
-
-
-static struct oh323_peer *build_peer(char *name, struct ast_variable *v)
-{
- struct oh323_peer *peer;
- struct oh323_peer *prev;
- int found=0;
-
- prev = NULL;
- ast_mutex_lock(&peerl.lock);
- peer = peerl.peers;
-
- while(peer) {
- if (!strcasecmp(peer->name, name)) {
- break;
- }
- prev = peer;
- peer = peer->next;
- }
-
- if (peer) {
- found++;
- /* Already in the list, remove it and it will be added back (or FREE'd) */
- if (prev) {
- prev->next = peer->next;
- } else {
- peerl.peers = peer->next;
- }
- ast_mutex_unlock(&peerl.lock);
- } else {
- ast_mutex_unlock(&peerl.lock);
- peer = malloc(sizeof(struct oh323_peer));
- memset(peer, 0, sizeof(struct oh323_peer));
- }
- if (peer) {
- if (!found) {
- strncpy(peer->name, name, sizeof(peer->name)-1);
- }
-
- /* set the usage flag to a sane starting value*/
- peer->inUse = 0;
-
- while(v) {
- if (!strcasecmp(v->name, "context")) {
- strncpy(peer->context, v->value, sizeof(peer->context)-1);
- } else if (!strcasecmp(v->name, "bridge")) {
- peer->bridge = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noFastStart")) {
- peer->noFastStart = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noH245Tunneling")) {
- peer->noH245Tunneling = ast_true(v->value);
- } else if (!strcasecmp(v->name, "noSilenceSuppression")) {
- peer->noSilenceSuppression = ast_true(v->value);
- } else if (!strcasecmp(v->name, "outgoinglimit")) {
- peer->outgoinglimit = atoi(v->value);
- if (peer->outgoinglimit > 0)
- peer->outgoinglimit = 0;
- } else if (!strcasecmp(v->name, "host")) {
- if (!strcasecmp(v->value, "dynamic")) {
- ast_log(LOG_ERROR, "Dynamic host configuration not implemented, yet!\n");
- free(peer);
- return NULL;
- }
- if (ast_get_ip(&peer->addr, v->value)) {
- free(peer);
- return NULL;
- }
- }
- v=v->next;
- }
- }
- return peer;
-}
-
-
-
-/**
- * Send (play) the specified digit to the channel.
- *
- */
-static int oh323_digit(struct ast_channel *c, char digit)
-{
- struct oh323_pvt *p = c->pvt->pvt;
- if (p && p->rtp && (p->dtmfmode & H323_DTMF_RFC2833)) {
- ast_rtp_senddigit(p->rtp, digit);
- }
- /* If in-band DTMF is desired, send that */
- if (p->dtmfmode & H323_DTMF_INBAND)
- h323_send_tone(p->cd.call_token, digit);
- return 0;
-}
-
-
-/**
- * Make a call over the specified channel to the specified
- * destination. This function will parse the destination string
- * and determine the address-number to call.
- * Return -1 on error, 0 on success.
- */
-static int oh323_call(struct ast_channel *c, char *dest, int timeout)
-{
- int res;
- struct oh323_pvt *p = c->pvt->pvt;
- char called_addr[256];
- char *tmp;
-
- strtok_r(dest, "/", &(tmp));
-
- ast_log(LOG_DEBUG, "dest=%s, timeout=%d.\n", dest, timeout);
-
- 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;
- }
-
- /* outgoing call */
- p->outgoing = 1;
-
- /* Clear the call token */
- if ((p->cd).call_token == NULL)
- (p->cd).call_token = (char *)malloc(128);
-
- memset((char *)(p->cd).call_token, 0, 128);
-
- if (p->cd.call_token == NULL) {
- ast_log(LOG_ERROR, "Not enough memory.\n");
- return -1;
- }
-
- /* Build the address to call */
- memset(called_addr, 0, sizeof(dest));
- memcpy(called_addr, dest, sizeof(called_addr));
-
- /* Copy callerid, if there is any */
- if (c->callerid) {
- char *tmp = strchr(c->callerid, '"');
- if (!tmp) {
- p->calloptions.callerid = malloc(80); // evil
- // sprintf(p->calloptions.callerid, "\"%s\"", c->callerid);
- sprintf(p->calloptions.callerid, "\"\" <%s>", c->callerid);
- } else {
- p->calloptions.callerid = strdup(c->callerid);
- }
- }
-
- res = h323_make_call(called_addr, &(p->cd), p->calloptions);
-
- if (res) {
- ast_log(LOG_NOTICE, "h323_make_call failed(%s)\n", c->name);
- return -1;
- }
-
- ast_setstate(c, AST_STATE_RINGING);
- return 0;
-}
-
-
-static int oh323_answer(struct ast_channel *c)
-{
- int res;
-
- struct oh323_pvt *p = c->pvt->pvt;
-
- res = h323_answering_call(p->cd.call_token, 0);
-
- if (c->_state != AST_STATE_UP)
- ast_setstate(c, AST_STATE_UP);
-
- return res;
-}
-
-static int oh323_hangup(struct ast_channel *c)
-{
- struct oh323_pvt *p = c->pvt->pvt;
- int needcancel = 0;
- if (h323debug)
- ast_log(LOG_DEBUG, "oh323_hangup(%s)\n", c->name);
- if (!c->pvt->pvt) {
- ast_log(LOG_DEBUG, "Asked to hangup channel not connected\n");
- return 0;
- }
- ast_mutex_lock(&p->lock);
- /* Determine how to disconnect */
- if (p->owner != c) {
- ast_log(LOG_WARNING, "Huh? We aren't the owner?\n");
- ast_mutex_unlock(&p->lock);
- return 0;
- }
- if (!c || (c->_state != AST_STATE_UP))
- needcancel = 1;
- /* Disconnect */
- p = c->pvt->pvt;
-
- /* Free dsp used for in-band DTMF detection */
- if (p->vad) {
- ast_dsp_free(p->vad);
- }
-
- p->owner = NULL;
- c->pvt->pvt = NULL;
-
- /* Start the process if it's not already started */
- if (!p->alreadygone) {
- if (h323_clear_call((p->cd).call_token))
- ast_log(LOG_DEBUG, "ClearCall failed.\n");
- p->needdestroy = 1;
- }
-
- /* Update usage counter */
- ast_mutex_lock(&usecnt_lock);
- usecnt--;
- if (usecnt < 0)
- ast_log(LOG_WARNING, "Usecnt < 0\n");
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
-
- ast_mutex_unlock(&p->lock);
- return 0;
-}
-
-static struct ast_frame *oh323_rtp_read(struct oh323_pvt *p)
-{
- /* Retrieve audio/etc from channel. Assumes p->lock is already held. */
- struct ast_frame *f;
- static struct ast_frame null_frame = { AST_FRAME_NULL, };
- f = ast_rtp_read(p->rtp);
- /* Don't send RFC2833 if we're not supposed to */
- if (f && (f->frametype == AST_FRAME_DTMF) && !(p->dtmfmode & H323_DTMF_RFC2833))
- return &null_frame;
- if (p->owner) {
- /* We already hold the channel lock */
- if (f->frametype == AST_FRAME_VOICE) {
- if (f->subclass != p->owner->nativeformats) {
- ast_log(LOG_DEBUG, "Oooh, format changed to %d\n", f->subclass);
- p->owner->nativeformats = f->subclass;
- ast_set_read_format(p->owner, p->owner->readformat);
- ast_set_write_format(p->owner, p->owner->writeformat);
- }
-
- /* Do in-band DTMF detection */
- if (p->dtmfmode & H323_DTMF_INBAND) {
- f = ast_dsp_process(p->owner,p->vad,f,0);
- if (f->frametype == AST_FRAME_DTMF)
- ast_log(LOG_DEBUG, "Got in-band digit %c.\n", f->subclass);
- }
-
-
- }
- }
- return f;
-}
-
-
-static struct ast_frame *oh323_read(struct ast_channel *c)
-{
- struct ast_frame *fr;
- struct oh323_pvt *p = c->pvt->pvt;
- ast_mutex_lock(&p->lock);
- fr = oh323_rtp_read(p);
- ast_mutex_unlock(&p->lock);
- return fr;
-}
-
-static int oh323_write(struct ast_channel *c, struct ast_frame *frame)
-{
- struct oh323_pvt *p = c->pvt->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 -1;
- }
- }
- if (p) {
- ast_mutex_lock(&p->lock);
- if (p->rtp) {
- res = ast_rtp_write(p->rtp, frame);
- }
- ast_mutex_unlock(&p->lock);
- }
- return res;
-}
-
-/** FIXME: Can I acutally use this or does Open H.323 take care of everything? */
-static int oh323_indicate(struct ast_channel *c, int condition)
-{
-
- struct oh323_pvt *p = c->pvt->pvt;
-
- switch(condition) {
- case AST_CONTROL_RINGING:
- if (c->_state == AST_STATE_RING) {
- // transmit_response(p, "180 Ringing", &p->initreq);
- break;
- }
- return -1;
- case AST_CONTROL_BUSY:
- if (c->_state != AST_STATE_UP) {
- // transmit_response(p, "600 Busy everywhere", &p->initreq);
- p->alreadygone = 1;
- ast_softhangup(c, AST_SOFTHANGUP_DEV);
- break;
- }
- return -1;
- case AST_CONTROL_CONGESTION:
- if (c->_state != AST_STATE_UP) {
- // transmit_response(p, "486 Busy here", &p->initreq);
- p->alreadygone = 1;
- ast_softhangup(c, AST_SOFTHANGUP_DEV);
- break;
- }
- return -1;
- case -1:
- return -1;
- default:
- ast_log(LOG_WARNING, "Don't know how to indicate condition %d\n", condition);
- return -1;
- }
- return 0;
-}
-
-// FIXME: WTF is this? Do I need this???
-static int oh323_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
-{
- struct oh323_pvt *p = newchan->pvt->pvt;
-
- ast_mutex_lock(&p->lock);
- if (p->owner != oldchan) {
- ast_log(LOG_WARNING, "old channel wasn't %p but was %p\n", oldchan, p->owner);
- return -1;
- }
- p->owner = newchan;
- ast_mutex_unlock(&p->lock);
- return 0;
-}
-
-static struct ast_channel *oh323_new(struct oh323_pvt *i, int state, const char *host)
-{
- struct ast_channel *tmp;
- int fmt;
- tmp = ast_channel_alloc(1);
-
- if (tmp) {
-
- snprintf(tmp->name, sizeof(tmp->name)-1, "H323/%s", host);
- tmp->nativeformats = i->capability;
- if (!tmp->nativeformats)
- tmp->nativeformats = capability;
- fmt = ast_best_codec(tmp->nativeformats);
- tmp->type = type;
- tmp->fds[0] = ast_rtp_fd(i->rtp);
- ast_setstate(tmp, state);
-
- if (state == AST_STATE_RING)
- tmp->rings = 1;
-
- tmp->writeformat = fmt;
- tmp->pvt->rawwriteformat = fmt;
- tmp->readformat = fmt;
- tmp->pvt->rawreadformat = fmt;
-
- /* Allocate dsp for in-band DTMF support */
- if (i->dtmfmode & H323_DTMF_INBAND) {
- i->vad = ast_dsp_new();
- ast_dsp_set_features(i->vad, DSP_FEATURE_DTMF_DETECT);
- }
-
- /* Register the OpenH323 channel's functions. */
- tmp->pvt->pvt = i;
- tmp->pvt->send_digit = oh323_digit;
- tmp->pvt->call = oh323_call;
- tmp->pvt->hangup = oh323_hangup;
- tmp->pvt->answer = oh323_answer;
- tmp->pvt->read = oh323_read;
- tmp->pvt->write = oh323_write;
- tmp->pvt->indicate = oh323_indicate;
- tmp->pvt->fixup = oh323_fixup;
- tmp->pvt->bridge = ast_rtp_bridge;
-
- /* Set the owner of this channel */
- i->owner = tmp;
-
- ast_mutex_lock(&usecnt_lock);
- usecnt++;
- ast_mutex_unlock(&usecnt_lock);
- ast_update_use_count();
- strncpy(tmp->context, i->context, sizeof(tmp->context)-1);
- strncpy(tmp->exten, i->exten, sizeof(tmp->exten)-1);
- tmp->priority = 1;
- if (strlen(i->callerid))
- tmp->callerid = strdup(i->callerid);
- if (strlen(i->accountcode))
- strncpy(tmp->accountcode, i->accountcode, sizeof(tmp->accountcode)-1);
- if (i->amaflags)
- tmp->amaflags = i->amaflags;
- if (state != AST_STATE_DOWN) {
- if (ast_pbx_start(tmp)) {
- ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmp->name);
- ast_hangup(tmp);
- tmp = NULL;
- }
- }
- } else
- ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
- return tmp;
-}
-
-static struct oh323_pvt *oh323_alloc(int callid)
-{
- struct oh323_pvt *p;
-
- p = malloc(sizeof(struct oh323_pvt));
- if (!p) {
- ast_log(LOG_ERROR, "Couldn't allocate private structure. This is bad\n");
- return NULL;
- }
-
- /* Keep track of stuff */
- memset(p, 0, sizeof(struct oh323_pvt));
- p->rtp = ast_rtp_new(sched, io, 1, 0);
-
- if (!p->rtp) {
- ast_log(LOG_WARNING, "Unable to create RTP session: %s\n", strerror(errno));
- free(p);
- return NULL;
- }
- ast_rtp_settos(p->rtp, tos);
- ast_mutex_init(&p->lock);
-
- p->cd.call_reference = callid;
- p->bridge = 1;
-
- p->dtmfmode = dtmfmode;
- if (p->dtmfmode & H323_DTMF_RFC2833)
- p->nonCodecCapability |= AST_RTP_DTMF;
-
- /* Add to interface list */
- ast_mutex_lock(&iflock);
- p->next = iflist;
- iflist = p;
- ast_mutex_unlock(&iflock);
- return p;
-}
-
-static struct oh323_pvt *find_call(int call_reference)
-{
- struct oh323_pvt *p;
-
- ast_mutex_lock(&iflock);
- p = iflist;
-
- while(p) {
- if (p->cd.call_reference == call_reference) {
- /* Found the call */
- ast_mutex_unlock(&iflock);
- return p;
- }
- p = p->next;
- }
- ast_mutex_unlock(&iflock);
- return NULL;
-
-}
-
-static struct ast_channel *oh323_request(char *type, int format, void *data)
-{
-
- int oldformat;
- struct oh323_pvt *p;
- struct ast_channel *tmpc = NULL;
- char *dest = data;
- char *ext, *host;
- char *h323id = NULL;
- char tmp[256];
-
-
- ast_log(LOG_DEBUG, "type=%s, format=%d, data=%s.\n", type, format, (char *)data);
-
- oldformat = format;
- format &= capability;
- if (!format) {
- ast_log(LOG_NOTICE, "Asked to get a channel of unsupported format '%d'\n", format);
- return NULL;
- }
-
- strncpy(tmp, dest, sizeof(tmp) - 1);
-
- host = strchr(tmp, '@');
- if (host) {
- *host = '\0';
- host++;
- ext = tmp;
- } else {
- host = tmp;
- ext = NULL;
- }
-
- strtok_r(host, "/", &(h323id));
-
- if (*h323id) {
- h323_set_id(h323id);
- }
-
-
- p = oh323_alloc(0);
-
- if (!p) {
- ast_log(LOG_WARNING, "Unable to build pvt data for '%s'\n", (char *)data);
- return NULL;
- }
-
- /* Assign a default capability */
- p->capability = capability;
-
- if (p->dtmfmode) {
- if (p->dtmfmode & H323_DTMF_RFC2833)
- p->nonCodecCapability |= AST_RTP_DTMF;
- else
- p->nonCodecCapability &= ~AST_RTP_DTMF;
- }
-
-
- ast_log(LOG_DEBUG, "Host: %s\tUsername: %s\n", host, p->username);
-
- if (ext)
- strncpy(p->username, ext, sizeof(p->username) - 1);
- tmpc = oh323_new(p, AST_STATE_DOWN, host);
- if (!tmpc)
- oh323_destroy(p);
-
- restart_monitor();
-
- return tmpc;
-}
-
-struct oh323_alias *find_alias(const char *source_aliases)
-{
- struct oh323_alias *a;
-
- a = aliasl.aliases;
-
- while(a) {
-
- if (!strcasecmp(a->name, source_aliases)) {
- break;
- }
- a = a->next;
- }
- return a;
-}
-
-struct oh323_user *find_user(const char *source_aliases)
-{
- struct oh323_user *u;
-
- u = userl.users;
-
- while(u) {
-
- if (!strcasecmp(u->name, source_aliases)) {
- break;
- }
- u = u->next;
- }
- return u;
-
-}
-
-struct oh323_peer *find_peer(char *dest_peer)
-{
- struct oh323_peer *p;
-
- p = peerl.peers;
-
- while(p) {
- if (!strcasecmp(p->name, dest_peer)) {
- break;
- }
- p = p->next;
- }
- return p;
-
-}
-
-/**
- * Callback for sending digits from H.323 up to asterisk
- *
- */
-int send_digit(unsigned call_reference, char digit)
-{
- struct oh323_pvt *p;
- struct ast_frame f;
-
- ast_log(LOG_DEBUG, "Recieved Digit: %c\n", digit);
- p = find_call(call_reference);
-
- if (!p) {
- ast_log(LOG_ERROR, "Private structure not found in send_digit.\n");
- return -1;
- }
- memset(&f, 0, sizeof(f));
- f.frametype = AST_FRAME_DTMF;
- f.subclass = digit;
- f.datalen = 0;
- f.samples = 300;
- f.offset = 0;
- f.data = NULL;
- f.mallocd = 0;
- f.src = "SEND_DIGIT";
-
- return ast_queue_frame(p->owner, &f, 1);
-}
-
-/**
- * Call-back function that gets called when any H.323 connection is made
- *
- * Returns the local RTP port
- */
-int create_connection(unsigned call_reference)
-{
- struct oh323_pvt *p;
- struct sockaddr_in us;
-
- p = find_call(call_reference);
-
- if (!p) {
- ast_log(LOG_ERROR, "Unable to allocate private structure, this is very bad.\n");
- return -1;
- }
-
- /* figure out our local RTP port and tell the H.323 stack about it*/
- ast_rtp_get_us(p->rtp, &us);
- return ntohs(us.sin_port);
-}
-
-/**
- * Call-back function for incoming calls
- *
- * Returns 1 on success
- */
-
-int setup_incoming_call(call_details_t cd)
-{
-
- struct oh323_pvt *p = NULL;
- struct ast_channel *c = NULL;
- struct oh323_user *user = NULL;
- struct oh323_alias *alias = NULL;
-
- /* allocate the call*/
- p = oh323_alloc(cd.call_reference);
-
- if (!p) {
- ast_log(LOG_ERROR, "Unable to allocate private structure, this is bad.\n");
- return 0;
- }
-
- /* Populate the call details in the private structure */
- p->cd.call_token = cd.call_token;
- p->cd.call_source_aliases = cd.call_source_aliases;
- p->cd.call_dest_alias = cd.call_dest_alias;
- p->cd.call_source_e164 = cd.call_source_e164;
- p->cd.call_dest_e164 = cd.call_dest_e164;
-
- if (h323debug) {
- printf(" == Setting up Call\n");
- printf(" -- Calling party name: %s\n", p->cd.call_source_aliases);
- printf(" -- Calling party number: %s\n", p->cd.call_source_e164);
- printf(" -- Called party name: %s\n", p->cd.call_dest_alias);
- printf(" -- Called party number: %s\n", p->cd.call_dest_e164);
- }
-
- /* Decide if we are allowing Gatekeeper routed calls*/
- if ((!strcasecmp(cd.sourceIp, gatekeeper)) && (gkroute == -1) && (usingGk == 1)) {
-
- if (strlen(cd.call_dest_e164)) {
- strncpy(p->exten, cd.call_dest_e164, sizeof(p->exten)-1);
- strncpy(p->context, default_context, sizeof(p->context)-1);
- } else {
- alias = find_alias(cd.call_dest_alias);
-
- if (!alias) {
- ast_log(LOG_ERROR, "Call for %s rejected, alias not found\n", cd.call_dest_alias);
- return 0;
- }
- printf("Alias found: %s and %s\n", alias->name, alias->context);
-
- strncpy(p->exten, alias->name, sizeof(p->exten)-1);
- strncpy(p->context, alias->context, sizeof(p->context)-1);
- }
-
- sprintf(p->callerid, "%s <%s>", p->cd.call_source_aliases, p->cd.call_source_e164);
-
- } else {
- /* Either this call is not from the Gatekeeper
- or we are not allowing gk routed calls */
-
- user = find_user(cd.call_source_aliases);
-
- if (!user) {
- sprintf(p->callerid, "%s <%s>", p->cd.call_source_aliases, p->cd.call_source_e164);
- if (strlen(p->cd.call_dest_e164)) {
- strncpy(p->exten, cd.call_dest_e164, sizeof(p->exten)-1);
- } else {
- strncpy(p->exten, cd.call_dest_alias, sizeof(p->exten)-1);
- }
- if (!strlen(default_context)) {
- ast_log(LOG_ERROR, "Call from user '%s' rejected due to no default context\n", p->cd.call_source_aliases);
- return 0;
- }
- strncpy(p->context, default_context, sizeof(p->context)-1);
- ast_log(LOG_DEBUG, "Sending %s to context [%s]\n", cd.call_source_aliases, p->context);
- } else {
- if (user->host) {
- if (strcasecmp(cd.sourceIp, inet_ntoa(user->addr.sin_addr))){
-
- if(!strlen(default_context)) {
- ast_log(LOG_ERROR, "Call from user '%s' rejected due to non-matching IP address of '%s'\n", user->name, cd.sourceIp);
- return 0;
- }
- strncpy(p->context, default_context, sizeof(p->context)-1);
- sprintf(p->exten,"i");
- goto exit;
- }
- }
- if (user->incominglimit > 0) {
- if (user->inUse >= user->incominglimit) {
- ast_log(LOG_ERROR, "Call from user '%s' rejected due to usage limit of %d\n", user->name, user->incominglimit);
- return 0;
- }
- }
- strncpy(p->context, user->context, sizeof(p->context)-1);
- p->bridge = user->bridge;
-
- if (strlen(user->callerid))
- strncpy(p->callerid, user->callerid, sizeof(p->callerid) - 1);
- else
- sprintf(p->callerid, "%s <%s>", p->cd.call_source_aliases, p->cd.call_source_e164);
-
- if (strlen(p->cd.call_dest_e164)) {
- strncpy(p->exten, cd.call_dest_e164, sizeof(p->exten)-1);
- } else {
- strncpy(p->exten, cd.call_dest_alias, sizeof(p->exten)-1);
- }
-
- if (strlen(user->accountcode)) {
- strncpy(p->accountcode, user->accountcode, sizeof(p->accountcode)-1);
- }
-
- /* Increment the usage counter */
- user->inUse++;
- }
- }
-
-/* I know this is horrid, don't kill me saddam */
-exit:
- /* allocate a channel and tell asterisk about it */
- c = oh323_new(p, AST_STATE_RINGING, cd.call_token);
-
- if (!c) {
- ast_log(LOG_ERROR, "Couldn't create channel. This is bad\n");
- return 0;
- }
-
- return 1;
-}
-
-/**
- * Call-back function to establish an outgoing H.323 call
- *
- * Returns 1 on success
- */
-int setup_outgoing_call(call_details_t cd)
-{
- return 1;
-}
-
-#if 0
-if (p->inUse >= p->outgoinglimit) {
- ast_log(LOG_ERROR, "Call to %s rejected due to usage limit of %d outgoing channels\n", p->name, p->inUse);
- return 0;
-}
-
-if (!p) {
- ast_log(LOG_ERROR, "Rejecting call: peer %s not found\n", dest_peer);
- return 0;
-}
-#endif
-
-/**
- * Call-back function that gets called for each rtp channel opened
- *
- * Returns nothing
- */
-void setup_rtp_connection(unsigned call_reference, const char *remoteIp, int remotePort)
-{
- struct oh323_pvt *p = NULL;
- struct sockaddr_in them;
-
- /* Find the call or allocate a private structure if call not found */
- p = find_call(call_reference);
-
- if (!p) {
- ast_log(LOG_ERROR, "Something is wrong: rtp\n");
- return;
- }
-
- them.sin_family = AF_INET;
- them.sin_addr.s_addr = inet_addr(remoteIp); // only works for IPv4
- them.sin_port = htons(remotePort);
- ast_rtp_set_peer(p->rtp, &them);
-
- return;
-}
-
-/**
- * Call-back function to signal asterisk that the channel has been answered
- * Returns nothing
- */
-void connection_made(unsigned call_reference)
-{
- struct ast_channel *c = NULL;
- struct oh323_pvt *p = NULL;
-
- p = find_call(call_reference);
-
- if (!p)
- ast_log(LOG_ERROR, "Something is wrong: connection\n");
-
-
- if (!p->owner) {
- printf("Channel has no owner\n");
- return;
- }
- c = p->owner;
-
- ast_setstate(c, AST_STATE_UP);
- return;
-}
-
-/**
- * Call-back function to cleanup communication
- * Returns nothing,
- */
-void cleanup_connection(call_details_t cd)
-{
- struct oh323_pvt *p = NULL;
-// struct oh323_peer *peer = NULL;
- struct oh323_user *user = NULL;
- struct ast_rtp *rtp = NULL;
-
- ast_log(LOG_DEBUG, "Cleaning up our mess\n");
-
- p = find_call(cd.call_reference);
-
- if (!p) {
- return;
- }
-
- /* Decrement usage counter */
- if (!p->outgoing) {
- user = find_user(cd.call_source_aliases);
-
- if(user)
- user->inUse--;
- }
-
-#if 0
- if (p->outgoing) {
- peer = find_peer(cd.call_dest_alias);
- peer->inUse--;
- } else {
- user = find_user(cd.call_source_aliases);
- user->inUse--;
- }
-#endif
-
- if (p->rtp) {
- rtp = p->rtp;
- p->rtp = NULL;
- /* Immediately stop RTP */
- ast_rtp_destroy(rtp);
- }
-
- p->alreadygone = 1;
-
- /* Send hangup */
- if (p->owner)
- ast_queue_hangup(p->owner, 1);
-
- p = NULL;
- return;
-}
-
-static void *do_monitor(void *data)
-{
- int res;
- struct oh323_pvt *oh323 = NULL;
-
- for(;;) {
- /* Check for interfaces needing to be killed */
- ast_mutex_lock(&iflock);
-restartsearch:
- oh323 = iflist;
- while(oh323) {
- if (oh323->needdestroy) {
- __oh323_destroy(oh323);
- goto restartsearch;
- }
- oh323 = oh323->next;
- }
- ast_mutex_unlock(&iflock);
-
- pthread_testcancel();
-
- /* Wait for sched or io */
- res = ast_sched_wait(sched);
- if ((res < 0) || (res > 1000))
- res = 1000;
- res = ast_io_wait(io, res);
- ast_mutex_lock(&monlock);
- if (res >= 0)
- ast_sched_runq(sched);
- ast_mutex_unlock(&monlock);
- }
- /* Never reached */
- return NULL;
-
-}
-
-static int restart_monitor(void)
-{
- /* If we're supposed to be stopped -- stay stopped */
- if (monitor_thread == -2)
- return 0;
- if (ast_mutex_lock(&monlock)) {
- ast_log(LOG_WARNING, "Unable to lock monitor\n");
- return -1;
- }
- if (monitor_thread == pthread_self()) {
- ast_mutex_unlock(&monlock);
- ast_log(LOG_WARNING, "Cannot kill myself\n");
- return -1;
- }
- if (monitor_thread) {
- /* Wake up the thread */
- pthread_kill(monitor_thread, SIGURG);
- } else {
- /* Start a new monitor */
- if (pthread_create(&monitor_thread, NULL, do_monitor, NULL) < 0) {
- ast_mutex_unlock(&monlock);
- ast_log(LOG_ERROR, "Unable to start monitor thread.\n");
- return -1;
- }
- }
- ast_mutex_unlock(&monlock);
- return 0;
-}
-
-static int h323_do_trace(int fd, int argc, char *argv[])
-{
- if (argc != 3)
- return RESULT_SHOWUSAGE;
-
- h323_debug(1, atoi(argv[2]));
- ast_cli(fd, "H.323 trace set to level %s\n", argv[2]);
- return RESULT_SUCCESS;
-}
-
-static int h323_no_trace(int fd, int argc, char *argv[])
-{
- if (argc != 3)
- return RESULT_SHOWUSAGE;
-
- h323_debug(0,0);
- ast_cli(fd, "H.323 trace disabled\n");
- return RESULT_SUCCESS;
-}
-
-static int h323_do_debug(int fd, int argc, char *argv[])
-{
- if (argc != 2)
- return RESULT_SHOWUSAGE;
-
- h323debug = 1;
- ast_cli(fd, "H323 debug enabled\n");
- return RESULT_SUCCESS;
-}
-
-static int h323_no_debug(int fd, int argc, char *argv[])
-{
- if (argc != 3)
- return RESULT_SHOWUSAGE;
-
- h323debug = 0;
- ast_cli(fd, "H323 Debug disabled\n");
- return RESULT_SUCCESS;
-}
-
-static int h323_gk_cycle(int fd, int argc, char *argv[])
-{
- if (argc != 3)
- return RESULT_SHOWUSAGE;
-
- h323_gk_urq();
-
- /* Possibly register with a GK */
- if (gatekeeper_disable == 0) {
- if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
- ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
- h323_end_process();
- }
- }
-
- return RESULT_SUCCESS;
-}
-
-
-static char trace_usage[] =
-"Usage: h.323 trace <level num>\n"
-" Enables H.323 stack tracing for debugging purposes\n";
-
-static char no_trace_usage[] =
-"Usage: h.323 no trace\n"
-" Disables H.323 stack tracing for debugging purposes\n";
-
-static char debug_usage[] =
-"Usage: h.323 debug\n"
-" Enables chan_h323 debug output\n";
-
-static char no_debug_usage[] =
-"Usage: h.323 no debug\n"
-" Disables chan_h323 debug output\n";
-
-static char show_codec_usage[] =
-"Usage: h.323 show codec\n"
-" Shows all enabled codecs\n";
-
-static char show_cycle_usage[] =
-"Usage: h.323 gk cycle\n"
-" Manually re-register with the Gatekeper\n";
-
-
-static struct ast_cli_entry cli_trace =
- { { "h.323", "trace", NULL }, h323_do_trace, "Enable H.323 Stack Tracing", trace_usage };
-static struct ast_cli_entry cli_no_trace =
- { { "h.323", "no", "trace", NULL }, h323_no_trace, "Disable H.323 Stack Tracing", no_trace_usage };
-static struct ast_cli_entry cli_debug =
- { { "h.323", "debug", NULL }, h323_do_debug, "Enable chan_h323 debug", debug_usage };
-static struct ast_cli_entry cli_no_debug =
- { { "h.323", "no", "debug", NULL }, h323_no_debug, "Disable chan_h323 debug", no_debug_usage };
-static struct ast_cli_entry cli_show_codecs =
- { { "h.323", "show", "codecs", NULL }, h323_show_codec, "Show enabled codecs", show_codec_usage };
-static struct ast_cli_entry cli_gk_cycle =
- { { "h.323", "gk", "cycle", NULL }, h323_gk_cycle, "Manually re-register with the Gatekeper", show_cycle_usage };
-
-
-
-int reload_config()
-{
-
- int format;
- struct ast_config *cfg;
- struct ast_variable *v;
- struct oh323_peer *peer = NULL;
- struct oh323_user *user = NULL;
- struct oh323_alias *alias = NULL;
- struct hostent *hp;
- char *cat;
- char *utype;
-
- cfg = ast_load(config);
-
- /* 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 0;
- }
-
- h323debug=0;
- dtmfmode = H323_DTMF_RFC2833;
-
- memset(&bindaddr, 0, sizeof(bindaddr));
-
- v = ast_variable_browse(cfg, "general");
- while(v) {
- /* Create the interface list */
- if (!strcasecmp(v->name, "port")) {
- port = (int)strtol(v->value, NULL, 10);
- } else if (!strcasecmp(v->name, "bindaddr")) {
- if (!(hp = gethostbyname(v->value))) {
- 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, "allow")) {
- format = ast_getformatbyname(v->value);
- if (format < 1)
- ast_log(LOG_WARNING, "Cannot allow unknown format '%s'\n", v->value);
- else
- capability |= format;
- } else if (!strcasecmp(v->name, "disallow")) {
- format = ast_getformatbyname(v->value);
- if (format < 1)
- ast_log(LOG_WARNING, "Cannot disallow unknown format '%s'\n", v->value);
- else
- capability &= ~format;
- } else if (!strcasecmp(v->name, "tos")) {
- if (sscanf(v->value, "%i", &format) == 1)
- tos = format & 0xff;
- else if (!strcasecmp(v->value, "lowdelay"))
- tos = IPTOS_LOWDELAY;
- else if (!strcasecmp(v->value, "throughput"))
- tos = IPTOS_THROUGHPUT;
- else if (!strcasecmp(v->value, "reliability"))
- tos = IPTOS_RELIABILITY;
- else if (!strcasecmp(v->value, "mincost"))
- tos = IPTOS_MINCOST;
- else if (!strcasecmp(v->value, "none"))
- tos = 0;
- else
- ast_log(LOG_WARNING, "Invalid tos value at line %d, should be 'lowdelay', 'throughput', 'reliability', 'mincost', or 'none'\n", v->lineno);
- } else if (!strcasecmp(v->name, "gatekeeper")) {
- if (!strcasecmp(v->value, "DISABLE")) {
- gatekeeper_disable = 1;
- usingGk = 0;
- } else if (!strcasecmp(v->value, "DISCOVER")) {
- gatekeeper_disable = 0;
- gatekeeper_discover = 1;
- usingGk = 1;
- } else {
- gatekeeper_disable = 0;
- usingGk = 1;
- strncpy(gatekeeper, v->value, sizeof(gatekeeper)-1);
- }
- } else if (!strcasecmp(v->name, "secret")) {
- strncpy(secret, v->value, sizeof(secret)-1);
- } else if (!strcasecmp(v->name, "AllowGKRouted")) {
- gkroute = ast_true(v->value);
- } else if (!strcasecmp(v->name, "context")) {
- strncpy(default_context, v->value, sizeof(default_context)-1);
- printf(" == Setting default context to %s\n", default_context);
- } else if (!strcasecmp(v->name, "dtmfmode")) {
- if (!strcasecmp(v->value, "inband"))
- dtmfmode=H323_DTMF_INBAND;
- else if (!strcasecmp(v->value, "rfc2833"))
- dtmfmode = H323_DTMF_RFC2833;
- else {
- ast_log(LOG_WARNING, "Unknown dtmf mode '%s', using rfc2833\n", v->value);
- dtmfmode = H323_DTMF_RFC2833;
- }
- }
- v = v->next;
- }
-
- cat = ast_category_browse(cfg, NULL);
- while(cat) {
- if (strcasecmp(cat, "general")) {
- utype = ast_variable_retrieve(cfg, cat, "type");
- if (utype) {
- if (!strcasecmp(utype, "user") || !strcasecmp(utype, "friend")) {
- user = build_user(cat, ast_variable_browse(cfg, cat));
- if (user) {
- ast_mutex_lock(&userl.lock);
- user->next = userl.users;
- userl.users = user;
- ast_mutex_unlock(&userl.lock);
- }
- } else if (!strcasecmp(utype, "peer") || !strcasecmp(utype, "friend")) {
- peer = build_peer(cat, ast_variable_browse(cfg, cat));
- if (peer) {
- ast_mutex_lock(&peerl.lock);
- peer->next = peerl.peers;
- peerl.peers = peer;
- ast_mutex_unlock(&peerl.lock);
- }
- } else if (!strcasecmp(utype, "h323")) {
- alias = build_alias(cat, ast_variable_browse(cfg, cat));
- if (alias) {
- ast_mutex_lock(&aliasl.lock);
- alias->next = aliasl.aliases;
- aliasl.aliases = alias;
- ast_mutex_unlock(&aliasl.lock);
- }
- } else {
- ast_log(LOG_WARNING, "Unknown type '%s' for '%s' in %s\n", utype, cat, config);
- }
- } else
- ast_log(LOG_WARNING, "Section '%s' lacks type\n", cat);
- }
- cat = ast_category_browse(cfg, cat);
- }
-
- /* Register our H.323 aliases if any*/
- while (alias) {
- if (h323_set_alias(alias)) {
- ast_log(LOG_ERROR, "Alias %s rejected by endpoint\n", alias->name);
- return -1;
- }
- alias = alias->next;
- }
-
- /* Add some capabilities */
- if(h323_set_capability(capability, dtmfmode)) {
- ast_log(LOG_ERROR, "Capabilities failure, this is bad.\n");
- return -1;
- }
- ast_destroy(cfg);
-
- return 0;
-}
-
-void delete_users(void)
-{
- struct oh323_user *user, *userlast;
- struct oh323_peer *peer;
-
- /* Delete all users */
- ast_mutex_lock(&userl.lock);
- for (user=userl.users;user;) {
- userlast = user;
- user=user->next;
- free(userlast);
- }
- userl.users=NULL;
- ast_mutex_unlock(&userl.lock);
- ast_mutex_lock(&peerl.lock);
- for (peer=peerl.peers;peer;) {
- /* Assume all will be deleted, and we'll find out for sure later */
- peer->delme = 1;
- peer = peer->next;
- }
- ast_mutex_unlock(&peerl.lock);
-}
-
-void delete_aliases(void)
-{
- struct oh323_alias *alias, *aliaslast;
-
- /* Delete all users */
- ast_mutex_lock(&aliasl.lock);
- for (alias=aliasl.aliases;alias;) {
- aliaslast = alias;
- alias=alias->next;
- free(aliaslast);
- }
- aliasl.aliases=NULL;
- ast_mutex_unlock(&aliasl.lock);
-}
-
-void prune_peers(void)
-{
- /* Prune peers who still are supposed to be deleted */
- struct oh323_peer *peer, *peerlast, *peernext;
- ast_mutex_lock(&peerl.lock);
- peerlast = NULL;
- for (peer=peerl.peers;peer;) {
- peernext = peer->next;
- if (peer->delme) {
- free(peer);
- if (peerlast)
- peerlast->next = peernext;
- else
- peerl.peers = peernext;
- } else
- peerlast = peer;
- peer=peernext;
- }
- ast_mutex_unlock(&peerl.lock);
-}
-
-int reload(void)
-{
- delete_users();
- delete_aliases();
- prune_peers();
-
- if (strlen(gatekeeper)) {
- h323_gk_urq();
- }
-
- reload_config();
-
- /* Possibly register with a GK */
- if (gatekeeper_disable == 0) {
- if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
- ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
- h323_end_process();
- return -1;
- }
- }
- restart_monitor();
- return 0;
-}
-
-
-static struct ast_rtp *oh323_get_rtp_peer(struct ast_channel *chan)
-{
- struct oh323_pvt *p;
- p = chan->pvt->pvt;
- if (p && p->rtp && p->bridge)
- return p->rtp;
- ast_log(LOG_ERROR, "No associated RTP structure in pvt???\n");
- return NULL;
-}
-
-static struct ast_rtp *oh323_get_vrtp_peer(struct ast_channel *chan)
-{
- return NULL;
-}
-
-static int oh323_set_rtp_peer(struct ast_channel *chan, struct ast_rtp *rtp, struct ast_rtp *vrtp)
-{
- /* XXX Deal with Video */
-
- struct oh323_pvt *p;
- struct sockaddr_in them;
- struct sockaddr_in us;
-
- if (!rtp) {
- ast_log(LOG_NOTICE, "RTP is Null\n");
- return 0;
- }
- p = chan->pvt->pvt;
- if (!p) {
- ast_log(LOG_ERROR, "No Private Structure, this is bad\n");
- return -1;
- }
-
- ast_rtp_get_peer(rtp, &them);
- printf("peer is now: %s\n", inet_ntoa(them.sin_addr));
-
- ast_rtp_set_peer(p->rtp, &them);
- ast_rtp_get_us(p->rtp, &us);
-
- h323_native_bridge(p->cd.call_token, inet_ntoa(them.sin_addr), inet_ntoa(us.sin_addr));
-
- return 0;
-
-}
-
-static struct ast_rtp_protocol oh323_rtp = {
- get_rtp_info: oh323_get_rtp_peer,
- get_vrtp_info: oh323_get_vrtp_peer,
- set_rtp_peer: oh323_set_rtp_peer,
-};
-
-
-int load_module()
-{
- int res;
-
- /* fire up the H.323 Endpoint */
- h323_end_point_create();
-
- res = reload_config();
- if (!res) {
- /* Make sure we can register our channel type */
- if (ast_channel_register(type, tdesc, capability, oh323_request)) {
- ast_log(LOG_ERROR, "Unable to register channel class %s\n", type);
- h323_end_process();
- return -1;
- }
- ast_cli_register(&cli_debug);
- ast_cli_register(&cli_no_debug);
- ast_cli_register(&cli_trace);
- ast_cli_register(&cli_no_trace);
- ast_cli_register(&cli_show_codecs);
- ast_cli_register(&cli_gk_cycle);
-
- oh323_rtp.type = type;
- ast_rtp_proto_register(&oh323_rtp);
-
- sched = sched_context_create();
- if (!sched) {
- ast_log(LOG_WARNING, "Unable to create schedule context\n");
- }
- io = io_context_create();
- if (!io) {
- ast_log(LOG_WARNING, "Unable to create I/O context\n");
- }
-
- /* Register our callback functions */
- h323_callback_register(setup_incoming_call,
- setup_outgoing_call,
- create_connection,
- setup_rtp_connection,
- cleanup_connection,
- connection_made, send_digit);
-
- /* start the h.323 listener */
- if (h323_start_listener(port, bindaddr)) {
- ast_log(LOG_ERROR, "Unable to create H323 listener.\n");
-// h323_end_process();
- return -1;
- }
-
- /* Possibly register with a GK */
- if (gatekeeper_disable == 0) {
- if (h323_set_gk(gatekeeper_discover, gatekeeper, secret)) {
- ast_log(LOG_ERROR, "Gatekeeper registration failed.\n");
-// h323_end_process();
- return -1;
- }
- }
- /* And start the monitor for the first time */
- restart_monitor();
- } else {
- h323_end_process();
- }
- return res;
-}
-int unload_module()
-{
- struct oh323_pvt *p, *pl;
-
- 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(&iflock)) {
- /* destroy all the interfaces and free their memory */
- p = iflist;
- while(p) {
- pl = p;
- p = p->next;
- /* free associated memory */
- free(pl);
- }
- iflist = NULL;
- ast_mutex_unlock(&iflock);
- } else {
- ast_log(LOG_WARNING, "Unable to lock the interface list\n");
- return -1;
- }
- h323_gk_urq();
- h323_end_process();
-
- /* unregister rtp */
- ast_rtp_proto_unregister(&oh323_rtp);
-
- /* unregister commands */
- ast_cli_unregister(&cli_debug);
- ast_cli_unregister(&cli_no_debug);
- ast_cli_unregister(&cli_trace);
- ast_cli_unregister(&cli_no_trace);
- ast_cli_unregister(&cli_show_codecs);
- ast_cli_unregister(&cli_gk_cycle);
-
- /* unregister channel type */
- ast_channel_unregister(type);
-
- return 0;
-
-}
-
-int usecount()
-{
- int res;
- ast_mutex_lock(&usecnt_lock);
- res = usecnt;
- ast_mutex_unlock(&usecnt_lock);
- return res;
-}
-
-char *description()
-{
- return desc;
-}
-
-char *key()
-{
- return ASTERISK_GPL_KEY;
-}
-
-
-
-