call recovery_track on recovering channels once the recovery has completed and…

call recovery_track on recovering channels once the recovery has completed and fix race condition with repeated recovery

src/mod/endpoints/mod_sofia/sofia.c

@@ -6134,7 +6134,6 @@ static void sofia_handle_sip_r_invite(switch_core_session_t *session, int status
 
 			extract_header_vars(profile, sip, session, nh);
 			extract_vars(profile, sip, session);
-			switch_core_recovery_track(session);
 			switch_channel_clear_flag(tech_pvt->channel, CF_RECOVERING);
 		}
 

src/switch_channel.c

@@ -1990,6 +1990,10 @@ SWITCH_DECLARE(void) switch_channel_clear_flag(switch_channel_t *channel, switch
 		switch_core_session_wake_video_thread(channel->session);
 	}
 
+	if (flag == CF_RECOVERING && !channel->hangup_cause) {
+		switch_core_recovery_track(channel->session);
+	}
+
 }
 
 

src/switch_core_state_machine.c

@@ -48,6 +48,8 @@ static void switch_core_standard_on_init(switch_core_session_t *session)
 			switch_channel_set_state(session->channel, CS_ROUTING);
 		}
 	}
+
+	switch_channel_clear_flag(session->channel, CF_RECOVERING);
 }
 
 static void switch_core_standard_on_hangup(switch_core_session_t *session)