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freetdm: Added release guard time configuration

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Currently only enabled in the analog e&m module but any
signaling module can easily take advantage of it with a small
modification to the signaling module to set span->sig_release_guard_time_ms
This commit is contained in:
Moises Silva
2014-07-23 00:40:27 -04:00
parent 09198ee357
commit b80cdd45d5
4 changed files with 33 additions and 2 deletions
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libs/freetdm/src/ftdm_io.c
+14
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@@ -1490,6 +1490,15 @@ static __inline__ int chan_is_avail(ftdm_channel_t *check)
return 0;
}
}
/* release guard time check */
if (check->span->sig_release_guard_time_ms && check->last_release_time) {
ftdm_time_t time_diff = (check->last_release_time - ftdm_current_time_in_ms());
if (time_diff < check->span->sig_release_guard_time_ms) {
return 0;
}
/* circuit now available for outbound dialing */
check->last_release_time = 0;
}
return 1;
}
@@ -2982,6 +2991,11 @@ static ftdm_status_t ftdm_channel_done(ftdm_channel_t *ftdmchan)
ftdmchan->packet_len = ftdmchan->native_interval * (ftdmchan->effective_codec == FTDM_CODEC_SLIN ? 16 : 8);
ftdm_clear_flag(ftdmchan, FTDM_CHANNEL_TRANSCODE);
}
if (ftdmchan->span->sig_release_guard_time_ms) {
ftdmchan->last_release_time = ftdm_current_time_in_ms();
}
ftdm_log_chan_msg(ftdmchan, FTDM_LOG_DEBUG, "channel done\n");
return FTDM_SUCCESS;
}