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cxh 2025-09-09 16:10:56 +08:00
parent e35890e5f8
commit 61b86ae589
1 changed files with 12 additions and 3 deletions
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15
src/mqtt_client_wrapper.cpp
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@ -6,7 +6,9 @@ std::atomic<bool> mqtt_restart_required{false};
extern std::atomic<bool> g_running;
std::atomic<std::string> g_dispatch_id{""};
std::string g_dispatch_id;
std::mutex g_dispatch_id_mutex;
auto last_heartbeat = std::chrono::steady_clock::now();
auto heartbeat_interval = std::chrono::milliseconds(static_cast<int>(g_app_config.mqtt.keep_alive * 0.9));
@ -28,8 +30,13 @@ static void send_heartbeat()
nlohmann::json hb_data;
hb_data["time"] = Logger::get_current_time_utc8();
if (!g_dispatch_id.load().empty())
hb_data["dispatchId"] = g_dispatch_id.load();
{
std::lock_guard<std::mutex> lock(g_dispatch_id_mutex);
if (!g_dispatch_id.empty())
hb_data["dispatchId"] = g_dispatch_id;
}
hb_data["status"] = status;
nlohmann::json msg;
@ -74,8 +81,10 @@ static void on_mqtt_message_received(const std::string &topic, const std::string
return;
}
// 写入 dispatchId 时加锁
if (j["data"].contains("dispatchId"))
{
std::lock_guard<std::mutex> lock(g_dispatch_id_mutex);
g_dispatch_id = j["data"]["dispatchId"].get<std::string>();
}