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freetdm: on hander do not go up unless all channel blocks/restes are cleared 

Added more documentation in main
This commit is contained in:
Nenad Corbic 2011-11-03 14:29:47 -04:00
parent 953cd77f95
commit 69f6f20fd2
2 changed files with 15 additions and 21 deletions
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4
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_handle.c
View File

@ -2571,7 +2571,9 @@ ftdm_status_t handle_cgu_req(uint32_t suInstId, uint32_t spInstId, uint32_t circ
sigev.channel = ftdmchan;
/* bring the sig status down */
sngss7_set_sig_status(sngss7_info, FTDM_SIG_STATE_UP);
if (sngss7_channel_status_clear(sngss7_info)) {
sngss7_set_sig_status(sngss7_info, FTDM_SIG_STATE_UP);
}
/* unlock the channel again before we exit */
ftdm_mutex_unlock(ftdmchan->mutex);

32
libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_main.c
View File

@ -1032,13 +1032,6 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
SS7_DEBUG_CHAN(ftdmchan,"RESTART: Current flags: ckt=0x%X, blk=0x%X\n",
sngss7_info->ckt_flags,
sngss7_info->blk_flags);
#if 0
if (sngss7_test_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_UNBLK_TX) && sngss7_test_ckt_flag(sngss7_info, FLAG_INFID_RESUME)) {
ftdm_set_state(ftdmchan, FTDM_CHANNEL_STATE_SUSPENDED);
break;
}
#endif
if (sngss7_test_ckt_blk_flag(sngss7_info, FLAG_CKT_UCIC_BLOCK)) {
if ((sngss7_test_ckt_flag(sngss7_info, FLAG_RESET_RX)) ||
@ -1175,8 +1168,11 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
if (!sngss7_reset_status_clear(sngss7_info)) {
goto suspend_goto_restart;
} else if (!sngss7_block_status_clear(sngss7_info)) {
/* Do nothing just go and handle blocks */
/* Do nothing just go through and handle blocks below */
} else {
/* This should not happen as above function tests
* for reset and blocks */
SS7_ERROR_CHAN(ftdmchan, "Invalid code path: sngss7_channel_status_clear reset and block are both cleared%s\n", "");
goto suspend_goto_restart;
}
} else {
@ -1195,6 +1191,7 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
}
/* Wait for RESUME */
/* FIXME: Check if this is a correct action to wait for RESUME */
goto suspend_goto_last;
} /* if (sngss7_test_ckt_flag(sngss7_info, FLAG_INFID_PAUSED)) { */
@ -1290,19 +1287,20 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
goto suspend_goto_last;
}
#if 0
//jz: there is no such thing of "remote hw block". for receiver, there are only block and unblock
//nc: yes there is: its part of the CGB - however its handled in ss7_handle.c
/**********************************************************************/
// jz: hardware block/unblock rx
#if 0
/* This logic is handled in the handle_cgu_req and handle_cgb_req */
if (sngss7_test_ckt_blk_flag (sngss7_info, FLAG_GRP_HW_BLOCK_RX ) &&
!sngss7_test_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_RX_DN )) {
SS7_DEBUG_CHAN(ftdmchan, "Processing FLAG_GRP_HW_BLOCK_RX flag %s\n", "");
sngss7_set_sig_status(sngss7_info, FTDM_SIG_STATE_DOWN);
ft_to_sngss7_bla(ftdmchan);
/* FIXME: Transmit CRG Ack */
sngss7_set_ckt_blk_flag(sngss7_info, FLAG_GRP_HW_BLOCK_RX_DN);
goto suspend_goto_last;
@ -1319,16 +1317,13 @@ ftdm_status_t ftdm_sangoma_ss7_process_state_change (ftdm_channel_t * ftdmchan)
sngss7_set_sig_status(sngss7_info, FTDM_SIG_STATE_UP);
}
if (sngss7_tx_block_status_clear(sngss7_info)) {
ft_to_sngss7_uba(ftdmchan);
}
/* Transmit CRU Ack */
goto suspend_goto_last;
}
#endif
/**********************************************************************/
if (sngss7_test_ckt_blk_flag(sngss7_info, FLAG_CKT_MN_BLOCK_TX) &&
!sngss7_test_ckt_blk_flag(sngss7_info, FLAG_CKT_MN_BLOCK_TX_DN)) {
@ -1861,9 +1856,6 @@ static FIO_SIG_LOAD_FUNCTION(ftdm_sangoma_ss7_init)
sng_isup_version(&major, &minor, &build);
SS7_INFO("Loaded LibSng-SS7 %d.%d.%d\n", major, minor, build);
/* crash on assert fail */
ftdm_global_set_crash_policy (FTDM_CRASH_ON_ASSERT);
return FTDM_SUCCESS;
}