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Fix signalling for GR303 FXSKS CPE so we can look like a concentrator

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@3476 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2004-07-19 02:18:11 +00:00
parent 404485711e
commit 5808760bf4
2 changed files with 94 additions and 37 deletions
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16
apps/app_playback.c
View File

@@ -30,14 +30,14 @@ static char *synopsis = "Play a file";
static char *descrip =
" Playback(filename[|option]): Plays back a given filename (do not put\n"
"extension). Options may also be included following a pipe symbol. The only\n"
"defined option at this time is 'skip', which causes the playback of the\n"
"message to be skipped if the channel is not in the 'up' state (i.e. it\n"
"hasn't been answered yet. If 'skip' is specified, the application will\n"
"return immediately should the channel not be off hook. Otherwise, unless\n"
"'noanswer' is specified, the channel channel will be answered before the sound\n"
"is played. Not all channels support playing messages while on hook. Returns -1\n"
"if the channel was hung up, or if the file does not exist. Returns 0 otherwise.\n";
"extension). Options may also be included following a pipe symbol. The 'skip'\n"
"option causes the playback of the message to be skipped if the channel\n"
"is not in the 'up' state (i.e. it hasn't been answered yet. If 'skip' is \n"
"specified, the application will return immediately should the channel not be\n"
"off hook. Otherwise, unless 'noanswer' is specified, the channel channel will\n"
"be answered before the sound is played. Not all channels support playing\n"
"messages while still hook. Returns -1 if the channel was hung up, or if the\n"
"file does not exist. Returns 0 otherwise.\n";
STANDARD_LOCAL_USER;

115
channels/chan_zap.c
View File

@@ -1610,14 +1610,16 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
ast_mutex_unlock(&p->lock);
return -1;
}
x = ZT_START;
/* Start the trunk */
res = ioctl(p->subs[SUB_REAL].zfd, ZT_HOOK, &x);
if (res < 0) {
if (errno != EINPROGRESS) {
ast_log(LOG_WARNING, "Unable to start channel: %s\n", strerror(errno));
ast_mutex_unlock(&p->lock);
return -1;
/* Start the trunk, if not GR-303 */
if (!p->pri) {
x = ZT_START;
res = ioctl(p->subs[SUB_REAL].zfd, ZT_HOOK, &x);
if (res < 0) {
if (errno != EINPROGRESS) {
ast_log(LOG_WARNING, "Unable to start channel: %s\n", strerror(errno));
ast_mutex_unlock(&p->lock);
return -1;
}
}
}
ast_log(LOG_DEBUG, "Dialing '%s'\n", c);
@@ -1719,16 +1721,18 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
ast_mutex_unlock(&p->lock);
return -1;
}
p->dop.op = ZT_DIAL_OP_REPLACE;
s = strchr(c + p->stripmsd, 'w');
if (s) {
if (strlen(s))
snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T%s", s);
else
if (p->sig != SIG_FXSKS) {
p->dop.op = ZT_DIAL_OP_REPLACE;
s = strchr(c + p->stripmsd, 'w');
if (s) {
if (strlen(s))
snprintf(p->dop.dialstr, sizeof(p->dop.dialstr), "T%s", s);
else
p->dop.dialstr[0] = '\0';
*s = '\0';
} else {
p->dop.dialstr[0] = '\0';
*s = '\0';
} else {
p->dop.dialstr[0] = '\0';
}
}
if (pri_grab(p, p->pri)) {
ast_log(LOG_WARNING, "Failed to grab PRI!\n");
@@ -1746,10 +1750,13 @@ static int zt_call(struct ast_channel *ast, char *rdest, int timeout)
pri_rel(p->pri);
ast_mutex_unlock(&p->lock);
}
if (p->bearer) {
ast_log(LOG_DEBUG, "Oooh, I have a bearer on %d (%d:%d)\n", PVT_TO_CHANNEL(p->bearer), p->bearer->logicalspan, p->bearer->channel);
if (p->bearer || (p->sig == SIG_FXSKS)) {
if (p->bearer) {
ast_log(LOG_DEBUG, "Oooh, I have a bearer on %d (%d:%d)\n", PVT_TO_CHANNEL(p->bearer), p->bearer->logicalspan, p->bearer->channel);
p->bearer->call = p->call;
} else
ast_log(LOG_DEBUG, "I'm being setup with no bearer right now...\n");
pri_set_crv(p->pri->pri, p->call, p->channel, 0);
p->bearer->call = p->call;
}
p->digital = ast_test_flag(ast,AST_FLAG_DIGITAL);
pri_sr_set_channel(sr, p->bearer ? PVT_TO_CHANNEL(p->bearer) : PVT_TO_CHANNEL(p),
@@ -1858,6 +1865,8 @@ int pri_assign_bearer(struct zt_pvt *crv, struct zt_pri *pri, struct zt_pvt *bea
bearer->owner = &inuse;
bearer->master = crv;
crv->subs[SUB_REAL].zfd = bearer->subs[SUB_REAL].zfd;
if (crv->subs[SUB_REAL].owner)
crv->subs[SUB_REAL].owner->fds[0] = crv->subs[SUB_REAL].zfd;
crv->bearer = bearer;
crv->call = bearer->call;
crv->pri = pri;
@@ -4262,7 +4271,7 @@ static struct ast_channel *zt_new(struct zt_pvt *i, int state, int startpbx, int
y = 1;
do {
#ifdef ZAPATA_PRI
if (i->bearer)
if (i->bearer || (i->pri && (i->sig == SIG_FXSKS)))
snprintf(tmp->name, sizeof(tmp->name), "Zap/%d:%d-%d", i->pri->trunkgroup, i->channel, y);
else
#endif
@@ -6475,14 +6484,25 @@ static struct ast_channel *zt_request(char *type, int format, void *data)
callwait = (p->owner != NULL);
#ifdef ZAPATA_PRI
if (pri && (p->subs[SUB_REAL].zfd < 0)) {
/* Gotta find an actual channel to use for this
CRV if this isn't a callwait */
bearer = pri_find_empty_chan(pri, 0);
if (bearer < 0) {
ast_log(LOG_NOTICE, "Out of bearer channels on span %d for call to CRV %d:%d\n", pri->span, trunkgroup, crv);
break;
if (p->sig != SIG_FXSKS) {
/* Gotta find an actual channel to use for this
CRV if this isn't a callwait */
bearer = pri_find_empty_chan(pri, 0);
if (bearer < 0) {
ast_log(LOG_NOTICE, "Out of bearer channels on span %d for call to CRV %d:%d\n", pri->span, trunkgroup, crv);
p = NULL;
break;
}
pri_assign_bearer(p, pri, pri->pvts[bearer]);
} else {
if (alloc_sub(p, 0)) {
ast_log(LOG_NOTICE, "Failed to allocate place holder pseudo channel!\n");
p = NULL;
break;
} else
ast_log(LOG_DEBUG, "Allocated placeholder pseudo channel\n");
p->pri = pri;
}
pri_assign_bearer(p, pri, pri->pvts[bearer]);
}
#endif
if (p->channel == CHAN_PSEUDO) {
@@ -6596,6 +6616,7 @@ static int pri_find_principle(struct zt_pri *pri, int channel)
static int pri_fixup_principle(struct zt_pri *pri, int principle, q931_call *c)
{
int x;
struct zt_pvt *crv;
if (!c) {
if (principle < 0)
return -1;
@@ -6606,6 +6627,7 @@ static int pri_fixup_principle(struct zt_pri *pri, int principle, q931_call *c)
(pri->pvts[principle]) &&
(pri->pvts[principle]->call == c))
return principle;
/* First, check for other bearers */
for (x=0;x<pri->numchans;x++) {
if (!pri->pvts[x]) continue;
if (pri->pvts[x]->call == c) {
@@ -6635,6 +6657,30 @@ static int pri_fixup_principle(struct zt_pri *pri, int principle, q931_call *c)
return principle;
}
}
/* Now check for a CRV with no bearer */
crv = pri->crvs;
while(crv) {
if (crv->call == c) {
/* This is our match... Perform some basic checks */
if (crv->bearer)
ast_log(LOG_WARNING, "Trying to fix up call which already has a bearer which isn't the one we think it is\n");
else if (pri->pvts[principle]->owner)
ast_log(LOG_WARNING, "Tring to fix up a call to a bearer which already has an owner!\n");
else {
/* Looks good. Drop the pseudo channel now, clear up the assignment, and
wakeup the potential sleeper */
close(crv->subs[SUB_REAL].zfd);
pri->pvts[principle]->call = crv->call;
pri_assign_bearer(crv, pri, pri->pvts[principle]);
ast_log(LOG_DEBUG, "Assigning bearer %d/%d to CRV %d:%d\n",
pri->pvts[principle]->logicalspan, pri->pvts[principle]->prioffset,
pri->trunkgroup, crv->channel);
wakeup_sub(crv, SUB_REAL);
}
return principle;
}
crv = crv->next;
}
ast_log(LOG_WARNING, "Call specified, but not found?\n");
return -1;
}
@@ -7361,7 +7407,16 @@ static void *pri_dchannel(void *vpri)
chanpos = -1;
} else {
ast_mutex_lock(&pri->pvts[chanpos]->lock);
if (!ast_strlen_zero(pri->pvts[chanpos]->dop.dialstr)) {
if (pri->pvts[chanpos]->master && (pri->pvts[chanpos]->master->sig == SIG_FXSKS)) {
ast_log(LOG_DEBUG, "Starting up GR-303 trunk now that we got CONNECT...\n");
x = ZT_START;
res = ioctl(pri->pvts[chanpos]->subs[SUB_REAL].zfd, ZT_HOOK, &x);
if (res < 0) {
if (errno != EINPROGRESS) {
ast_log(LOG_WARNING, "Unable to start channel: %s\n", strerror(errno));
}
}
} else if (!ast_strlen_zero(pri->pvts[chanpos]->dop.dialstr)) {
pri->pvts[chanpos]->dialing = 1;
/* Send any "w" waited stuff */
res = ioctl(pri->pvts[chanpos]->subs[SUB_REAL].zfd, ZT_DIAL, &pri->pvts[chanpos]->dop);
@@ -8097,6 +8152,8 @@ static int zap_show_channel(int fd, int argc, char **argv)
ast_cli(fd, "Resetting ");
if (tmp->call)
ast_cli(fd, "Call ");
if (tmp->bearer)
ast_cli(fd, "Bearer ");
ast_cli(fd, "\n");
if (tmp->logicalspan)
ast_cli(fd, "PRI Logical Span: %d\n", tmp->logicalspan);