Response execute(const Request& req) {
std::lock_guard<std::mutex> lock(m_single_request_mutex);
try {
auto res = m_client.CallMethod(Request::get_command(), req.to_json());
m_connection_error_observed_at = std::experimental::nullopt;
return Response::from_json(res);
}
catch (const json_rpc::JsonRpcException& e) {
if (json_rpc::common::ERROR_CLIENT_CONNECTOR == e.get_code()) {
auto now = std::chrono::high_resolution_clock::now();
if (m_connection_error_observed_at) {
auto broken_seconds = std::chrono::duration_cast<std::chrono::seconds>(
now - m_connection_error_observed_at.value()).count();
log_error("rest", "Agent " << get_gami_id() << " has not responded for "
<< broken_seconds << " seconds.");
if (broken_seconds >= JsonAgent::REMOVE_AGENT_AFTER_SECONDS) {
clean_resource_for_agent();
unregister_agent();
}
}
else {
m_connection_error_observed_at = now;
}
throw AgentUnreachable(get_gami_id());
}
m_connection_error_observed_at = std::experimental::nullopt;
throw;
}
}
static void neard_exit(void)
{
unregister_agent();
if (watch_id != 0)
g_dbus_remove_watch(connection, watch_id);
if (connection != NULL)
dbus_connection_unref(connection);
}