handle some errors on missing db handle conditions

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@17136 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/applications/mod_commands/mod_commands.c

@@ -3232,7 +3232,10 @@ SWITCH_STANDARD_API(show_function)
 	switch_core_flag_t cflags = switch_core_flags();
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
 
-	switch_core_db_handle(&db);
+	if (switch_core_db_handle(&db) != SWITCH_STATUS_SUCCESS) {
+		stream->write_function(stream, "%s", "-ERR Databse Error!\n");
+		return SWITCH_STATUS_SUCCESS;
+	}
 
 	holder.justcount = 0;
 

src/mod/applications/mod_dptools/mod_dptools.c

@@ -358,7 +358,9 @@ SWITCH_STANDARD_APP(eavesdrop_function)
 			char terminator;
 			switch_status_t status;
 
-			switch_core_db_handle(&db);
+			if (switch_core_db_handle(&db) != SWITCH_STATUS_SUCCESS) {
+				switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(session), SWITCH_LOG_ERROR, "Database Error!\n");
+			}
 
 			while (switch_channel_ready(channel)) {
 				for (x = 0; x < MAX_SPY; x++) {

src/mod/formats/mod_shout/mod_shout.c

@@ -1356,7 +1356,9 @@ void do_index(switch_stream_handle_t *stream)
 	struct holder holder;
 	char *errmsg;
 
-	switch_core_db_handle(&db);
+	if (switch_core_db_handle(&db) != SWITCH_STATUS_SUCCESS) {
+		return;
+	}
 
 	holder.host = switch_event_get_header(stream->param_event, "http-host");
 	holder.port = switch_event_get_header(stream->param_event, "http-port");