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Try to fix pritap segfault

This commit is contained in:
Moises Silva 2012-10-17 18:21:16 -05:00
parent 0a92094995
commit 3cb1fd267f
1 changed files with 27 additions and 5 deletions
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26
libs/freetdm/src/ftmod/ftmod_pritap/ftmod_pritap.c
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@ -297,13 +297,19 @@ static ftdm_status_t state_advance(ftdm_channel_t *ftdmchan)
switch (ftdmchan->state) {
case FTDM_CHANNEL_STATE_DOWN:
{
ftdm_channel_t *fchan = ftdmchan;
ftdmchan->call_data = NULL;
ftdmchan->pflags = 0;
ftdm_channel_close(&ftdmchan);
ftdm_channel_close(&fchan);
if (peerchan) {
peerchan->call_data = NULL;
peerchan->pflags = 0;
ftdm_channel_close(&peerchan);
} else {
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_ERROR, "Odd, no peer chan\n");
}
}
break;
@ -597,6 +603,8 @@ static void handle_pri_passive_event(pritap_t *pritap, pri_event *e)
ftdm_log(FTDM_LOG_DEBUG, "Ignoring duplicated proceeding with callref %d\n", crv);
break;
}
pcall->proceeding = 1;
peerpcall = tap_pri_get_pcall(pritap, NULL);
if (!peerpcall) {
ftdm_log(FTDM_LOG_ERROR, "Failed to get a free peer PRI passive call slot for callref %d in span %s, this is a bug!\n",
@ -625,7 +633,6 @@ static void handle_pri_passive_event(pritap_t *pritap, pri_event *e)
pritap->span->name, PRI_SPAN(e->proceeding.channel), PRI_CHANNEL(e->proceeding.channel), crv);
break;
}
pcall->fchan = fchan;
peerfchan = tap_pri_get_fchan(peertap, pcall, e->proceeding.channel);
if (!peerfchan) {
@ -633,11 +640,13 @@ static void handle_pri_passive_event(pritap_t *pritap, pri_event *e)
peertap->span->name, PRI_SPAN(e->proceeding.channel), PRI_CHANNEL(e->proceeding.channel), crv);
break;
}
pcall->fchan = fchan;
peerpcall->fchan = fchan;
fchan->call_data = peerfchan;
peerfchan->call_data = fchan;
ftdm_log_chan_msg(pcall->fchan, FTDM_LOG_NOTICE, "Starting new tapped call\n");
ftdm_set_state_locked(fchan, FTDM_CHANNEL_STATE_RING);
break;
@ -651,6 +660,12 @@ static void handle_pri_passive_event(pritap_t *pritap, pri_event *e)
pritap->span->name, PRI_SPAN(e->proceeding.channel), PRI_CHANNEL(e->proceeding.channel), crv);
break;
}
if (!pcall->fchan) {
ftdm_log(FTDM_LOG_ERROR,
"Received answer in channel %s:%d:%d for callref %d but we never got a channel",
pritap->span->name, PRI_SPAN(e->proceeding.channel), PRI_CHANNEL(e->proceeding.channel), crv);
break;
}
ftdm_log_chan(pcall->fchan, FTDM_LOG_NOTICE, "Tapped call was answered in state %s\n", ftdm_channel_state2str(pcall->fchan->state));
ftdm_set_pflag_locked(pcall->fchan, PRITAP_NETWORK_ANSWER);
ftdm_set_state_locked(pcall->fchan, FTDM_CHANNEL_STATE_UP);
@ -668,6 +683,13 @@ static void handle_pri_passive_event(pritap_t *pritap, pri_event *e)
break;
}
if (!pcall->fchan) {
ftdm_log(FTDM_LOG_DEBUG,
"ignoring hangup in channel %s:%d:%d for callref %d since we never got a channel",
pritap->span->name, PRI_SPAN(e->proceeding.channel), PRI_CHANNEL(e->proceeding.channel), crv);
break;
}
fchan = pcall->fchan;
ftdm_set_state_locked(fchan, FTDM_CHANNEL_STATE_TERMINATING);
break;