add recovery_refresh app and api and use it in mod_conference to send a message to the channel telling it to sync its recovery snapshot

src/include/switch_types.h

@@ -791,6 +791,7 @@ typedef enum {
 	SWITCH_MESSAGE_INDICATE_UDPTL_MODE,
 	SWITCH_MESSAGE_INDICATE_CLEAR_PROGRESS,
 	SWITCH_MESSAGE_INDICATE_JITTER_BUFFER,
+	SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH,
 	SWITCH_MESSAGE_INVALID
 } switch_core_session_message_types_t;
 

src/mod/applications/mod_commands/mod_commands.c

@@ -2226,6 +2226,40 @@ SWITCH_STANDARD_API(uuid_deflect)
 	return SWITCH_STATUS_SUCCESS;
 }
 
+#define UUID_RECOVERY_REFRESH_SYNTAX "<uuid> <uri>"
+SWITCH_STANDARD_API(uuid_recovery_refresh)
+{
+	switch_core_session_t *tsession = NULL;
+	char *uuid = NULL, *text = NULL;
+
+	if (!zstr(cmd) && (uuid = strdup(cmd))) {
+		if ((text = strchr(uuid, ' '))) {
+			*text++ = '\0';
+		}
+	}
+
+	if (zstr(uuid) || zstr(text)) {
+		stream->write_function(stream, "-USAGE: %s\n", UUID_RECOVERY_REFRESH_SYNTAX);
+	} else {
+		if ((tsession = switch_core_session_locate(uuid))) {
+			switch_core_session_message_t msg = { 0 };
+
+			/* Tell the channel to recovery_refresh the call */
+			msg.from = __FILE__;
+			msg.string_arg = text;
+			msg.message_id = SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH;
+			switch_core_session_receive_message(tsession, &msg);
+			stream->write_function(stream, "+OK:%s\n", msg.string_reply);
+			switch_core_session_rwunlock(tsession);
+		} else {
+			stream->write_function(stream, "-ERR No Such Channel %s!\n", uuid);
+		}
+	}
+
+	switch_safe_free(uuid);
+	return SWITCH_STATUS_SUCCESS;
+}
+
 #define SCHED_TRANSFER_SYNTAX "[+]<time> <uuid> <extension> [<dialplan>] [<context>]"
 SWITCH_STANDARD_API(sched_transfer_function)
 {
@@ -4858,6 +4892,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
 	SWITCH_ADD_API(commands_api_interface, "uuid_phone_event", "Send and event to the phone", uuid_phone_event_function, PHONE_EVENT_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_preprocess", "Pre-process Channel", preprocess_function, PREPROCESS_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_record", "session record", session_record_function, SESS_REC_SYNTAX);
+	SWITCH_ADD_API(commands_api_interface, "uuid_recovery_refresh", "Send a recovery_refresh", uuid_recovery_refresh, UUID_RECOVERY_REFRESH_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_recv_dtmf", "receive dtmf digits", uuid_recv_dtmf_function, UUID_RECV_DTMF_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_send_dtmf", "send dtmf digits", uuid_send_dtmf_function, UUID_SEND_DTMF_SYNTAX);
 	SWITCH_ADD_API(commands_api_interface, "uuid_session_heartbeat", "uuid_session_heartbeat", uuid_session_heartbeat_function, HEARTBEAT_SYNTAX);
@@ -4983,6 +5018,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
 	switch_console_set_complete("add uuid_phone_event ::console::list_uuid hold");
 	switch_console_set_complete("add uuid_preprocess ::console::list_uuid");
 	switch_console_set_complete("add uuid_record ::console::list_uuid ::[start:stop");
+	switch_console_set_complete("add uuid_recovery_refresh ::console::list_uuid");
 	switch_console_set_complete("add uuid_recv_dtmf ::console::list_uuid");
 	switch_console_set_complete("add uuid_send_dtmf ::console::list_uuid");
 	switch_console_set_complete("add uuid_session_heartbeat ::console::list_uuid");

src/mod/applications/mod_conference/mod_conference.c

@@ -4284,6 +4284,7 @@ static switch_status_t conf_api_sub_transfer(conference_obj_t *conference, switc
 	switch_event_t *params = NULL;
 	conference_obj_t *new_conference = NULL;
 	int locked = 0;
+	switch_core_session_message_t msg = { 0 };
 
 	switch_assert(conference != NULL);
 	switch_assert(stream != NULL);
@@ -4409,6 +4410,11 @@ static switch_status_t conf_api_sub_transfer(conference_obj_t *conference, switc
 
 			switch_channel_set_variable(channel, "last_transfered_conference", argv[2]);
 
+			/* Sync the recovery data */
+			msg.from = __FILE__;
+			msg.message_id = SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH;
+			switch_core_session_receive_message(member->session, &msg);
+
 			unlock_member(member);
 
 			stream->write_function(stream, "OK Member '%d' sent to conference %s.\n", member->id, argv[2]);

src/mod/applications/mod_dptools/mod_dptools.c

@@ -1001,6 +1001,17 @@ SWITCH_STANDARD_APP(deflect_function)
 	switch_core_session_receive_message(session, &msg);
 }
 
+SWITCH_STANDARD_APP(recovery_refresh_function)
+{
+	switch_core_session_message_t msg = { 0 };
+
+	/* Tell the channel to recovery_refresh the call */
+	msg.from = __FILE__;
+	msg.string_arg = data;
+	msg.message_id = SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH;
+	switch_core_session_receive_message(session, &msg);
+}
+
 
 SWITCH_STANDARD_APP(sched_cancel_function)
 {
@@ -3547,6 +3558,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_dptools_load)
 	SWITCH_ADD_APP(app_interface, "respond", "Send session respond", "Send a respond message to a session.", respond_function, "<respond_data>",
 				   SAF_SUPPORT_NOMEDIA);
 	SWITCH_ADD_APP(app_interface, "deflect", "Send call deflect", "Send a call deflect.", deflect_function, "<deflect_data>", SAF_SUPPORT_NOMEDIA);
+	SWITCH_ADD_APP(app_interface, "recovery_refresh", "Send call recovery_refresh", "Send a call recovery_refresh.", recovery_refresh_function, "", SAF_SUPPORT_NOMEDIA);
 	SWITCH_ADD_APP(app_interface, "queue_dtmf", "Queue dtmf to be sent", "Queue dtmf to be sent from a session", queue_dtmf_function, "<dtmf_data>",
 				   SAF_SUPPORT_NOMEDIA);
 	SWITCH_ADD_APP(app_interface, "send_dtmf", "Send dtmf to be sent", "Send dtmf to be sent from a session", send_dtmf_function, "<dtmf_data>",

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -1319,6 +1319,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 
 	/* ones that do not need to lock sofia mutex */
 	switch (msg->message_id) {
+	case SWITCH_MESSAGE_INDICATE_RECOVERY_REFRESH:
 	case SWITCH_MESSAGE_INDICATE_APPLICATION_EXEC:
 		{
 			sofia_glue_tech_track(tech_pvt->profile, session);
@@ -1335,6 +1336,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 			}
 		}
 		break;
+
 	case SWITCH_MESSAGE_INDICATE_JITTER_BUFFER:
 		{
 			if (switch_rtp_ready(tech_pvt->rtp_session)) {