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freetdm: add logging when failing to read a frame in mod_freetdm

This commit is contained in:
Moises Silva 2010-06-02 14:48:37 -04:00
parent e80befba17
commit e596fc2e7f
1 changed files with 6 additions and 1 deletions
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7
libs/freetdm/mod_freetdm/mod_freetdm.c
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@ -603,6 +603,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
assert(tech_pvt != NULL); assert(tech_pvt != NULL);
if (switch_test_flag(tech_pvt, TFLAG_DEAD)) { if (switch_test_flag(tech_pvt, TFLAG_DEAD)) {
ftdm_log(FTDM_LOG_DEBUG, "TFLAG_DEAD is set\n");
return SWITCH_STATUS_FALSE; return SWITCH_STATUS_FALSE;
} }
@ -636,6 +637,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
} }
if (!switch_test_flag(tech_pvt, TFLAG_IO)) { if (!switch_test_flag(tech_pvt, TFLAG_IO)) {
ftdm_log(FTDM_LOG_DEBUG, "TFLAG_IO is not set\n");
goto fail; goto fail;
} }
@ -643,6 +645,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
status = ftdm_channel_wait(tech_pvt->ftdmchan, &wflags, chunk); status = ftdm_channel_wait(tech_pvt->ftdmchan, &wflags, chunk);
if (status == FTDM_FAIL) { if (status == FTDM_FAIL) {
ftdm_log(FTDM_LOG_WARNING, "failed to wait for I/O\n");
goto fail; goto fail;
} }
@ -650,19 +653,21 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
if (!switch_test_flag(tech_pvt, TFLAG_HOLD)) { if (!switch_test_flag(tech_pvt, TFLAG_HOLD)) {
total_to -= chunk; total_to -= chunk;
if (total_to <= 0) { if (total_to <= 0) {
ftdm_log(FTDM_LOG_WARNING, "Too many timeouts while waiting for I/O\n");
goto fail; goto fail;
} }
} }
goto top; goto top;
} }
if (!(wflags & FTDM_READ)) { if (!(wflags & FTDM_READ)) {
ftdm_log(FTDM_LOG_WARNING, "I/O waiting returned status %d but nothing to read is available\n", status);
goto fail; goto fail;
} }
len = tech_pvt->read_frame.buflen; len = tech_pvt->read_frame.buflen;
if (ftdm_channel_read(tech_pvt->ftdmchan, tech_pvt->read_frame.data, &len) != FTDM_SUCCESS) { if (ftdm_channel_read(tech_pvt->ftdmchan, tech_pvt->read_frame.data, &len) != FTDM_SUCCESS) {
ftdm_log(FTDM_LOG_WARNING, "failed to read from device\n");
goto fail; goto fail;
} }