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Fix Zap buglet, add support for SIP parking -- doesn't seem to work quite right on SNOM.

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3411 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-07-09 10:46:50 +00:00
parent 7ca6f85a41
commit 34ed331f82
2 changed files with 107 additions and 8 deletions
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113
channels/chan_sip.c
View File

@@ -4887,7 +4887,7 @@ static int get_refer_info(struct sip_pvt *p, struct sip_request *oreq)
return 0;
else
ast_log(LOG_NOTICE, "Supervised transfer requested, but unable to find callid '%s'\n", tmp5);
} else if (ast_exists_extension(NULL, p->context, c, 1, NULL)) {
} else if (ast_exists_extension(NULL, p->context, c, 1, NULL) || !strcmp(c, ast_parking_ext())) {
/* This is an unsupervised transfer */
ast_log(LOG_DEBUG,"Assigning Extension %s to REFER-TO\n", c);
ast_log(LOG_DEBUG,"Assigning Extension %s to REFERRED-BY\n", c2);
@@ -6625,6 +6625,87 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
}
}
struct sip_dual {
struct ast_channel *chan1;
struct ast_channel *chan2;
};
static void *sip_park_thread(void *stuff)
{
struct ast_channel *chan1, *chan2;
struct sip_dual *d;
int ext;
int res;
d = stuff;
chan1 = d->chan1;
chan2 = d->chan2;
free(d);
ast_mutex_lock(&chan1->lock);
ast_do_masquerade(chan1);
ast_mutex_unlock(&chan1->lock);
res = ast_park_call(chan1, chan2, 0, &ext);
ast_hangup(chan2);
ast_log(LOG_DEBUG, "Parked on extension '%d'\n", ext);
return NULL;
}
static int sip_park(struct ast_channel *chan1, struct ast_channel *chan2)
{
struct sip_dual *d;
struct ast_channel *chan1m, *chan2m;
pthread_t th;
chan1m = ast_channel_alloc(0);
chan2m = ast_channel_alloc(0);
if (chan2m && chan1m) {
snprintf(chan1m->name, sizeof(chan1m->name), "Parking/%s", chan1->name);
/* Make formats okay */
chan1m->readformat = chan1->readformat;
chan1m->writeformat = chan1->writeformat;
ast_channel_masquerade(chan1m, chan1);
/* Setup the extensions and such */
strncpy(chan1m->context, chan1->context, sizeof(chan1m->context) - 1);
strncpy(chan1m->exten, chan1->exten, sizeof(chan1m->exten) - 1);
chan1m->priority = chan1->priority;
/* We make a clone of the peer channel too, so we can play
back the announcement */
snprintf(chan2m->name, sizeof (chan2m->name), "SIPPeer/%s",chan2->name);
/* Make formats okay */
chan2m->readformat = chan2->readformat;
chan2m->writeformat = chan2->writeformat;
ast_channel_masquerade(chan2m, chan2);
/* Setup the extensions and such */
strncpy(chan2m->context, chan2->context, sizeof(chan2m->context) - 1);
strncpy(chan2m->exten, chan2->exten, sizeof(chan2m->exten) - 1);
chan2m->priority = chan2->priority;
ast_mutex_lock(&chan2m->lock);
if (ast_do_masquerade(chan2m)) {
ast_log(LOG_WARNING, "Masquerade failed :(\n");
ast_mutex_unlock(&chan2m->lock);
ast_hangup(chan2m);
return -1;
}
ast_mutex_unlock(&chan2m->lock);
} else {
if (chan1m)
ast_hangup(chan1m);
if (chan2m)
ast_hangup(chan2m);
return -1;
}
d = malloc(sizeof(struct sip_dual));
if (d) {
memset(d, 0, sizeof(*d));
d->chan1 = chan1m;
d->chan2 = chan2m;
if (!pthread_create(&th, NULL, sip_park_thread, d))
return 0;
free(d);
}
return -1;
}
/*--- attempt_transfer: Attempt transfer of SIP call ---*/
static int attempt_transfer(struct sip_pvt *p1, struct sip_pvt *p2)
{
@@ -6663,7 +6744,7 @@ static int attempt_transfer(struct sip_pvt *p1, struct sip_pvt *p2)
/*--- handle_request: Handle SIP requests (methods) ---*/
/* this is where all incoming requests go first */
static int handle_request(struct sip_pvt *p, struct sip_request *req, struct sockaddr_in *sin, int *recount)
static int handle_request(struct sip_pvt *p, struct sip_request *req, struct sockaddr_in *sin, int *recount, int *nounlock)
{
/* Called with p->lock held, as well as p->owner->lock if appropriate, keeping things
relatively static */
@@ -6948,6 +7029,7 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
else if (res > 0)
transmit_response_with_allow(p, "484 Address Incomplete", req, 1);
else {
int nobye = 0;
transmit_response(p, "202 Accepted", req);
if (!ignore) {
if (p->refer_call) {
@@ -6965,7 +7047,20 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
transfer_to = c->bridge;
if (transfer_to) {
ast_moh_stop(transfer_to);
ast_async_goto(transfer_to,p->context, p->refer_to,1);
if (!strcmp(p->refer_to, ast_parking_ext())) {
/* Must release c's lock now, because it will not longer
be accessible after the transfer! */
*nounlock = 1;
ast_mutex_unlock(&c->lock);
sip_park(transfer_to, c);
nobye = 1;
} else {
/* Must release c's lock now, because it will not longer
be accessible after the transfer! */
*nounlock = 1;
ast_mutex_unlock(&c->lock);
ast_async_goto(transfer_to,p->context, p->refer_to,1);
}
} else {
ast_queue_hangup(p->owner);
}
@@ -6973,8 +7068,10 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
p->gotrefer = 1;
}
/* Always increment on a BYE */
transmit_request_with_auth(p, "BYE", 0, 1, 1);
p->alreadygone = 1;
if (!nobye) {
transmit_request_with_auth(p, "BYE", 0, 1, 1);
p->alreadygone = 1;
}
}
}
} else if (!strcasecmp(cmd, "CANCEL")) {
@@ -7196,6 +7293,7 @@ static int sipsock_read(int *id, int fd, short events, void *ignore)
struct sip_pvt *p;
int res;
int len;
int nounlock;
int recount = 0;
int debug=sip_debug_test_addr(&sin);
@@ -7238,8 +7336,9 @@ retrylock:
}
memcpy(&p->recv, &sin, sizeof(p->recv));
append_history(p, "Rx", req.data);
handle_request(p, &req, &sin, &recount);
if (p->owner)
nounlock = 0;
handle_request(p, &req, &sin, &recount, &nounlock);
if (p->owner && !nounlock)
ast_mutex_unlock(&p->owner->lock);
ast_mutex_unlock(&p->lock);
}

2
channels/chan_zap.c
View File

@@ -613,7 +613,7 @@ static int hangup_pri2cause(int cause)
return AST_CAUSE_UNALLOCATED;
case PRI_CAUSE_NO_USER_RESPONSE:
case PRI_CAUSE_NO_ANSWER:
return AST_CAUSE_NO_ANSWER;
return AST_CAUSE_NOANSWER;
default:
return AST_CAUSE_FAILURE;
}