freetdm: handle loop requests

libs/freetdm/src/ftmod/ftmod_sangoma_boost/ftmod_sangoma_boost.c

@@ -1088,6 +1088,7 @@ static void handle_call_loop_start(ftdm_span_t *span, sangomabc_connection_t *mc
 		ftdm_channel_done(ftdmchan);
 		return;
 	}
+	ftdm_log(FTDM_LOG_DEBUG, "%d:%d starting loop\n", ftdmchan->span_id, ftdmchan->chan_id);
 	ftdm_channel_command(ftdmchan, FTDM_COMMAND_ENABLE_LOOP, NULL);
 }
 
@@ -1100,13 +1101,16 @@ static void handle_call_loop_stop(ftdm_span_t *span, sangomabc_connection_t *mco
 		return;
 	}
 	if (ftdmchan->state != FTDM_CHANNEL_STATE_IN_LOOP) {
-		ftdm_log(FTDM_LOG_ERROR, "Got stop loop request in a channel that is not in loop, ignoring ...\n");
+		ftdm_log(FTDM_LOG_WARNING, "Got stop loop request in a channel that is not in loop, ignoring ...\n");
 		return;
 	}
 	ftdm_channel_command(ftdmchan, FTDM_COMMAND_DISABLE_LOOP, NULL);
 	/* even when we did not sent a msg we set this flag to avoid sending call stop in the DOWN state handler */
 	ftdm_set_flag(ftdmchan, SFLAG_SENT_FINAL_MSG);
 	ftdm_set_state_r(ftdmchan, FTDM_CHANNEL_STATE_DOWN, res);
+	if (res != FTDM_SUCCESS) {
+		ftdm_log(FTDM_LOG_CRIT, "yay, could not set the state of the channel from IN_LOOP to DOWN\n");
+	}
 }
 
 /**
@@ -1355,6 +1359,9 @@ static __inline__ void state_advance(ftdm_channel_t *ftdmchan)
 			int call_stopped_ack_sent = 0;
 			ftdm_sangoma_boost_data_t *sangoma_boost_data = ftdmchan->span->signal_data;
 
+			if (ftdmchan->last_state == FTDM_CHANNEL_STATE_IN_LOOP) {
+				ftdm_log(FTDM_LOG_DEBUG, "%d:%d terminating loop\n", ftdmchan->span_id, ftdmchan->chan_id);
+			} else {
 				release_request_id_span_chan(ftdmchan->physical_span_id, ftdmchan->physical_chan_id);
 
 				if (!ftdm_test_sflag(ftdmchan, SFLAG_SENT_FINAL_MSG)) {
@@ -1379,9 +1386,10 @@ static __inline__ void state_advance(ftdm_channel_t *ftdmchan)
 						call_stopped_ack_sent = 1;
 					}
 				}
+			}
+
 			ftdmchan->sflags = 0;
 			memset(ftdmchan->call_data, 0, sizeof(sangoma_boost_call_t));
-
 			if (sangoma_boost_data->sigmod && call_stopped_ack_sent) {
 				/* we dont want to call ftdm_channel_done just yet until call released is received */
 				ftdm_log(FTDM_LOG_DEBUG, "Waiting for call release confirmation before declaring chan %d:%d as available \n", 

libs/freetdm/src/ftmod/ftmod_wanpipe/ftmod_wanpipe.c

@@ -625,6 +625,7 @@ static FIO_COMMAND_FUNCTION(wanpipe_command)
 			}
 #endif		
 		}
+		break;
 	case FTDM_COMMAND_DISABLE_LOOP:
 		{
 #ifdef WP_API_FEATURE_LOOP
@@ -635,6 +636,7 @@ static FIO_COMMAND_FUNCTION(wanpipe_command)
 			}
 #endif	 
 		}
+		break;
 	case FTDM_COMMAND_SET_INTERVAL: 
 		{
 			err=sangoma_tdm_set_usr_period(ftdmchan->sockfd, &tdm_api, FTDM_COMMAND_OBJ_INT);