[core, mod_console, mod_graylog2] Add sequence to logs to preserve order when timestamp is not precise enough.

src/mod/loggers/mod_console/mod_console.c

@@ -77,7 +77,8 @@ static switch_log_json_format_t json_format = {
 	{ "message", NULL }, // full_message
 	{ NULL, NULL }, // short_message
 	"", // custom_field_prefix
-	0.0 // timestamp_divisor
+	0.0, // timestamp_divisor
+	{ "sequence", NULL } // sequence
 };
 
 static char *to_json_string(const switch_log_node_t *node)
@@ -177,6 +178,8 @@ static switch_status_t config_logger(void)
 				json_format.full_message.name = zstr(val) ? NULL : switch_core_strdup(module_pool, val);
 			} else if (!strcasecmp(var, "short-message")) {
 				json_format.short_message.name = zstr(val) ? NULL : switch_core_strdup(module_pool, val);
+			} else if (!strcasecmp(var, "sequence")) {
+				json_format.sequence.name = zstr(val) ? NULL : switch_core_strdup(module_pool, val);
 			}
 		}
 		for (param = switch_xml_child(settings, "config"); param; param = param->next) {

src/mod/loggers/mod_graylog2/mod_graylog2.c

@@ -333,6 +333,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_graylog2_load)
 	globals.gelf_format.full_message.name = "full_message";
 	globals.gelf_format.short_message.name = "short_message";
 	globals.gelf_format.custom_field_prefix = "_";
+	globals.gelf_format.sequence.name = "_sequence";
 
 	switch_event_create_plain(&globals.session_fields, SWITCH_EVENT_CHANNEL_DATA);