修复读取IMEI线程无法退出的bug
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@ -2,6 +2,11 @@
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#include "serial_port.h"
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// 全局 IMEI(读取成功后写入)
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extern std::string IMEI;
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// 初始化 AT 串口(启动线程)
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void init_serial_at(const std::string& device, int baudrate);
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extern std::string IMEI;
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// 停止 AT 串口(停止线程,join)
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void stop_serial_at();
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@ -86,6 +86,8 @@ int main()
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// 停止 RecordManager 自动扫描线程
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if (g_record_manager) g_record_manager->stopAutoScan();
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stop_serial_at();
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RTMPManager::stop_all();
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if (mqtt_thread.joinable())
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@ -1,13 +1,20 @@
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#include "serial_AT.hpp"
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#include <algorithm>
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#include <atomic>
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#include <chrono>
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#include <mutex>
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#include <sstream>
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#include <thread>
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#include "logger.hpp"
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#include "serial_port.h"
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// ================== 全局 IMEI ==================
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std::string IMEI; // 一般 15 位
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std::string IMEI;
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// ================== 运行控制 ==================
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static std::atomic<bool> serial_at_running{false};
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// ================== AT 任务结构 ==================
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struct AtTask
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@ -28,7 +35,9 @@ static std::vector<AtTask> at_tasks = {{"AT+GSN", 3, 0, {}}};
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// ================== 发送线程 ==================
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static void serial_at_send_loop()
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{
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while (true)
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LOG_INFO("[serial_at] Sender thread started");
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while (serial_at_running.load(std::memory_order_relaxed))
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{
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if (!serial_at || !serial_at->is_open())
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{
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@ -37,6 +46,8 @@ static void serial_at_send_loop()
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}
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auto now = std::chrono::steady_clock::now();
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{
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std::lock_guard<std::mutex> lock(at_tasks_mutex);
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for (auto it = at_tasks.begin(); it != at_tasks.end();)
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@ -45,7 +56,6 @@ static void serial_at_send_loop()
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if (task.sent_count >= task.max_retries)
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{
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// 达到最大重试次数,直接移除
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it = at_tasks.erase(it);
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continue;
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}
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@ -60,9 +70,12 @@ static void serial_at_send_loop()
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++it;
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}
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}
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std::this_thread::sleep_for(std::chrono::seconds(1));
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}
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LOG_INFO("[serial_at] Sender thread exiting");
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}
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// ================== 接收处理 ==================
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@ -77,13 +90,13 @@ static void handle_serial_at_data(const std::string& data)
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line.erase(0, line.find_first_not_of(" \t\r\n"));
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line.erase(line.find_last_not_of(" \t\r\n") + 1);
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// IMEI:14~17 位纯数字(不同模组略有差异)
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// IMEI:14~17 位纯数字
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if (line.size() >= 14 && line.size() <= 17 && std::all_of(line.begin(), line.end(), ::isdigit))
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{
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IMEI = line;
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LOG_INFO("[serial_at] IMEI = " + IMEI);
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// 成功后清空任务,不再发送 AT
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// 成功后清空任务,不再发送
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std::lock_guard<std::mutex> lock(at_tasks_mutex);
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at_tasks.clear();
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return;
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@ -91,14 +104,44 @@ static void handle_serial_at_data(const std::string& data)
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}
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}
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// ================== 初始化接口 ==================
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// ================== 初始化 ==================
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void init_serial_at(const std::string& device, int baudrate)
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{
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serial_at = std::make_unique<SerialPort>("serial_at", device, baudrate, 5);
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if (serial_at_running.load())
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{
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LOG_WARN("[serial_at] Already running");
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return;
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}
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serial_at_running.store(true, std::memory_order_relaxed);
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serial_at = std::make_unique<SerialPort>("serial_at", device, baudrate, 5);
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serial_at->set_receive_callback(handle_serial_at_data);
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serial_at->start();
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serial_at_sender = std::thread(serial_at_send_loop);
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serial_at_sender.detach();
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}
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// ================== 停止 ==================
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void stop_serial_at()
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{
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if (!serial_at_running.load()) return;
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LOG_INFO("[serial_at] Stopping...");
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serial_at_running.store(false, std::memory_order_relaxed);
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if (serial_at)
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{
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serial_at->stop(); // 关闭串口,解除阻塞
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}
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if (serial_at_sender.joinable())
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{
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serial_at_sender.join();
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}
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serial_at.reset();
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LOG_INFO("[serial_at] Stopped cleanly");
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}
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