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Fixed hw alarm crash. When we get hw alarm in the middle of configuration. 

It can happen with large number of circuits.

On RESTART if we are PAUSED do not try to send RESET and stay in RESTART state
This commit is contained in:
Nenad Corbic 2011-12-14 19:56:25 -05:00
parent 1cbeb33b2d
commit 9db322f2e0
1 changed files with 22 additions and 4 deletions
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26
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
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@ -295,24 +295,35 @@ static void handle_hw_alarm(ftdm_event_t *e)
for (x = (g_ftdm_sngss7_data.cfg.procId * MAX_CIC_MAP_LENGTH) + 1; g_ftdm_sngss7_data.cfg.isupCkt[x].id != 0; x++) {
if (g_ftdm_sngss7_data.cfg.isupCkt[x].type == SNG_CKT_VOICE) {
ss7_info = (sngss7_chan_data_t *)g_ftdm_sngss7_data.cfg.isupCkt[x].obj;
/* NC. Its possible for alarms to come in the middle of configuration
especially on large systems */
if (!ss7_info || !ss7_info->ftdmchan) {
SS7_DEBUG("handle_hw_alarm: span=%i chan=%i ckt=%i x=%i - ss7_info=%p ftdmchan=%p\n",
ftdmchan->physical_span_id,ftdmchan->physical_chan_id,
g_ftdm_sngss7_data.cfg.isupCkt[x].id,x,
ss7_info,ss7_info?ss7_info->ftdmchan:NULL);
continue;
}
ftdmchan = ss7_info->ftdmchan;
if (e->channel->physical_span_id == ftdmchan->physical_span_id &&
e->channel->physical_chan_id == ftdmchan->physical_chan_id) {
SS7_DEBUG("handle_hw_alarm: span=%i chan=%i ckt=%i x=%i\n",ftdmchan->physical_span_id,ftdmchan->physical_chan_id,g_ftdm_sngss7_data.cfg.isupCkt[x].id,x);
SS7_DEBUG_CHAN(ftdmchan,"handle_hw_alarm: span=%i chan=%i ckt=%i x=%i\n",ftdmchan->physical_span_id,ftdmchan->physical_chan_id,g_ftdm_sngss7_data.cfg.isupCkt[x].id,x);
if (e->enum_id == FTDM_OOB_ALARM_TRAP) {
SS7_DEBUG("handle_hw_alarm: Set FLAG_GRP_HW_BLOCK_TX\n");
SS7_DEBUG_CHAN(ftdmchan,"handle_hw_alarm: Set FLAG_GRP_HW_BLOCK_TX\n");
sngss7_set_ckt_blk_flag(ss7_info, FLAG_GRP_HW_BLOCK_TX);
if (ftdmchan->state != FTDM_CHANNEL_STATE_SUSPENDED) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_SUSPENDED);
}
} else if (e->enum_id == FTDM_OOB_ALARM_CLEAR) {
SS7_DEBUG("handle_hw_alarm: Clear\n");
SS7_DEBUG_CHAN(ftdmchan,"handle_hw_alarm: Clear\n");
sngss7_clear_ckt_blk_flag(ss7_info, FLAG_GRP_HW_BLOCK_TX);
sngss7_clear_ckt_blk_flag(ss7_info, FLAG_GRP_HW_UNBLK_TX);
if (sngss7_test_ckt_blk_flag(ss7_info, FLAG_GRP_HW_BLOCK_TX_DN)) {
sngss7_set_ckt_blk_flag(ss7_info, FLAG_GRP_HW_UNBLK_TX);
SS7_DEBUG("handle_hw_alarm: Setting FLAG_GRP_HW_UNBLK_TX\n");
SS7_DEBUG_CHAN(ftdmchan,"handle_hw_alarm: Setting FLAG_GRP_HW_UNBLK_TX\n");
if (ftdmchan->state != FTDM_CHANNEL_STATE_SUSPENDED) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_SUSPENDED);
}
@ -1078,6 +1089,11 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
sngss7_info->ckt_flags,
sngss7_info->blk_flags);
if (sngss7_test_ckt_flag(sngss7_info, FLAG_INFID_PAUSED)) {
SS7_DEBUG_CHAN(ftdmchan,"Circuit PAUSED stay in RESTART%s\n", "");
break;
}
if (sngss7_test_ckt_blk_flag(sngss7_info, FLAG_CKT_UCIC_BLOCK)) {
if ((sngss7_test_ckt_flag(sngss7_info, FLAG_RESET_RX)) ||
(sngss7_test_ckt_flag(sngss7_info, FLAG_GRP_RESET_RX))) {
@ -1225,6 +1241,8 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
/* clear the PAUSE flag */
sngss7_clear_ckt_flag(sngss7_info, FLAG_INFID_PAUSED);
/* We tried to hangup the call while in PAUSED state.
We must send a RESET to clear this circuit */
if (sngss7_test_ckt_flag (sngss7_info, FLAG_LOCAL_REL)) {
SS7_DEBUG_CHAN(ftdmchan, "Channel local release on RESUME, restart Reset procedure%s\n", "");
/* By setting RESET_TX flag the check below sngss7_tx_reset_status_pending() will