Adding age of sessions and connections #2055

lib/MySQL_HostGroups_Manager.cpp

@@ -2985,6 +2985,8 @@ SQLite3_result * MySQL_HostGroups_Manager::SQL3_Free_Connections() {
 					char buff[32];
 					sprintf(buff,"%p",conn);
 					j["address"] = buff;
+					uint64_t age_ms = (curtime - conn->creation_time)/1000;
+					j["age_ms"] = age_ms;
 					j["bytes_recv"] = conn->bytes_info.bytes_recv;
 					j["bytes_sent"] = conn->bytes_info.bytes_sent;
 					j["myconnpoll_get"] = conn->statuses.myconnpoll_get;

lib/MySQL_Session.cpp

@@ -707,6 +707,8 @@ void MySQL_Session::generate_proxysql_internal_session_json(json &j) {
 	char buff[32];
 	sprintf(buff,"%p",this);
 	j["address"] = buff;
+	uint64_t age_ms = (thread->curtime - start_time)/1000;
+	j["age_ms"] = age_ms;
 	j["autocommit"] = autocommit;
 	j["thread_session_id"] = thread_session_id;
 	j["current_hostgroup"] = current_hostgroup;