391 lines
11 KiB
C++
391 lines
11 KiB
C++
// mqtt_client_wrapper.cpp
|
||
#include "mqtt_client_wrapper.hpp"
|
||
|
||
#include <algorithm>
|
||
#include <chrono>
|
||
#include <condition_variable>
|
||
#include <mutex>
|
||
#include <nlohmann/json.hpp>
|
||
#include <queue>
|
||
#include <thread>
|
||
|
||
#include "record_manager.hpp"
|
||
#include "rtmp_manager.hpp"
|
||
#include "serial_AT.hpp"
|
||
|
||
std::shared_ptr<MQTTClient> mqtt_client;
|
||
|
||
extern std::atomic<bool> g_running;
|
||
std::atomic<bool> g_streaming{false};
|
||
std::string g_dispatch_id;
|
||
std::mutex g_dispatch_id_mutex;
|
||
|
||
static void send_heartbeat()
|
||
{
|
||
if (!mqtt_client || !mqtt_client->isConnected()) return;
|
||
|
||
// 获取当前时间戳（13位毫秒）
|
||
auto now = std::chrono::system_clock::now();
|
||
auto ms = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count();
|
||
|
||
// 获取 RTMP 状态
|
||
auto channels_info = RTMPManager::get_all_channels_status();
|
||
|
||
nlohmann::json channels = nlohmann::json::array();
|
||
int total = static_cast<int>(channels_info.size());
|
||
int running_count = 0;
|
||
|
||
for (const auto& ch : channels_info)
|
||
{
|
||
nlohmann::json item;
|
||
item["loc"] = ch.loc;
|
||
item["running"] = ch.running;
|
||
|
||
if (ch.running)
|
||
{
|
||
item["reason"] = nullptr;
|
||
running_count++;
|
||
}
|
||
else
|
||
{
|
||
item["reason"] = ch.reason.empty() ? "Unknown error" : ch.reason;
|
||
}
|
||
|
||
channels.push_back(item);
|
||
}
|
||
|
||
// ===== 新增：读取 radio 信息（线程安全，返回拷贝）=====
|
||
RadioInfo ri = get_radio_info();
|
||
|
||
nlohmann::json hb;
|
||
hb["timestamp"] = ms;
|
||
hb["status"] = (running_count == 0) ? 0 : (running_count == total ? 1 : 2);
|
||
hb["channels"] = channels;
|
||
|
||
// ===== 新增：把 radio 塞进心跳 =====
|
||
hb["radio"] = {
|
||
{"state", ri.state}, {"rat", ri.rat}, {"pci", ri.pci}, {"band", ri.band}, {"arfcn", ri.arfcn},
|
||
{"rsrp", ri.rsrp}, {"rsrq", ri.rsrq}, {"sinr", ri.sinr}, {"raw", ri.raw},
|
||
};
|
||
|
||
// 发布心跳
|
||
mqtt_client->publish(g_app_config.mqtt.topics.heartbeat_up, hb.dump(), 0);
|
||
// LOG_INFO("[MQTT] Sent video heartbeat (" + std::to_string(running_count) + "/" + std::to_string(total) +
|
||
// " running): " + hb.dump());
|
||
}
|
||
|
||
// MQTT 回调
|
||
static void on_mqtt_connected()
|
||
{
|
||
LOG_INFO("[MQTT] Connected to broker: " + g_app_config.mqtt.server_ip);
|
||
|
||
// 一次性订阅（VID 来自配置文件，永远不变）
|
||
mqtt_client->subscribe(g_app_config.mqtt.topics.video_down);
|
||
mqtt_client->subscribe(g_app_config.mqtt.topics.record_query);
|
||
mqtt_client->subscribe(g_app_config.mqtt.topics.record_play);
|
||
mqtt_client->subscribe(g_app_config.mqtt.topics.vehicle_ctrl);
|
||
|
||
LOG_INFO("[MQTT] Subscribed all topics for VID=" + g_app_config.mqtt.vehicle_id);
|
||
}
|
||
|
||
static void on_mqtt_disconnected() { LOG_WARN("[MQTT] Disconnected from broker: " + g_app_config.mqtt.server_ip); }
|
||
|
||
static void handle_video_down_request(const nlohmann::json& req)
|
||
{
|
||
if (!req.contains("data") || !req["data"].is_object())
|
||
{
|
||
LOG_WARN("[video_down] Missing data");
|
||
return;
|
||
}
|
||
|
||
int sw = req["data"].value("switch", 0);
|
||
if (sw != 1)
|
||
{
|
||
LOG_INFO("[video_down] switch != 1, ignore");
|
||
return;
|
||
}
|
||
|
||
// ===== seqNo 自适应 =====
|
||
nlohmann::json seqNo = nullptr;
|
||
if (req.contains("seqNo"))
|
||
{
|
||
seqNo = req["seqNo"];
|
||
}
|
||
|
||
auto channels_info = RTMPManager::get_all_channels_status();
|
||
|
||
nlohmann::json resp;
|
||
resp["type"] = "response";
|
||
if (!seqNo.is_null()) resp["seqNo"] = seqNo;
|
||
resp["data"] = nlohmann::json::array();
|
||
|
||
int loc = 0;
|
||
for (const auto& ch : channels_info)
|
||
{
|
||
if (ch.running)
|
||
{
|
||
resp["data"].push_back({{"loc", loc}, {"url", ch.url}});
|
||
loc++;
|
||
}
|
||
}
|
||
|
||
mqtt_client->publish(g_app_config.mqtt.topics.video_down, resp.dump(-1), 1);
|
||
}
|
||
|
||
static void handle_record_query_request(const nlohmann::json& req)
|
||
{
|
||
if (!req.contains("data") || !req["data"].is_object())
|
||
{
|
||
LOG_WARN("[record_query] missing data");
|
||
return;
|
||
}
|
||
|
||
// ===== seqNo 自适应 =====
|
||
nlohmann::json seqNo = nullptr;
|
||
if (req.contains("seqNo"))
|
||
{
|
||
seqNo = req["seqNo"];
|
||
}
|
||
|
||
const auto& d = req["data"];
|
||
int loc = d.value("loc", -1);
|
||
int64_t start = d.value("startTime", -1LL);
|
||
int64_t end = d.value("endTime", -1LL);
|
||
|
||
if (loc < 0 || start <= 0 || end <= 0 || start >= end)
|
||
{
|
||
LOG_WARN("[record_query] invalid parameters");
|
||
return;
|
||
}
|
||
|
||
std::string stream = RecordManager::loc_to_stream(loc);
|
||
if (stream.empty())
|
||
{
|
||
LOG_WARN("[record_query] invalid loc: " + std::to_string(loc));
|
||
return;
|
||
}
|
||
|
||
auto segs = g_record_manager->querySegments(stream, start, end);
|
||
|
||
nlohmann::json resp;
|
||
resp["type"] = "response";
|
||
if (!seqNo.is_null()) resp["seqNo"] = seqNo;
|
||
|
||
nlohmann::json data;
|
||
data["loc"] = loc;
|
||
data["segments"] = nlohmann::json::array();
|
||
|
||
int idx = 1;
|
||
for (const auto& seg : segs)
|
||
{
|
||
data["segments"].push_back(
|
||
{{"index", idx++}, {"segmentId", seg.segment_id}, {"startTime", seg.start_ms}, {"endTime", seg.end_ms}});
|
||
}
|
||
|
||
resp["data"] = data;
|
||
|
||
mqtt_client->publish(g_app_config.mqtt.topics.record_query, resp.dump(-1), 1);
|
||
}
|
||
|
||
static void handle_record_play_request(const nlohmann::json& req)
|
||
{
|
||
if (!req.contains("data") || !req["data"].is_object())
|
||
{
|
||
LOG_WARN("[record_play] missing data");
|
||
return;
|
||
}
|
||
|
||
// ===== seqNo 自适应 =====
|
||
nlohmann::json seqNo = nullptr;
|
||
if (req.contains("seqNo"))
|
||
{
|
||
seqNo = req["seqNo"];
|
||
}
|
||
|
||
const auto& d = req["data"];
|
||
int loc = d.value("loc", -1);
|
||
std::string segmentId = d.value("segmentId", "");
|
||
|
||
if (loc < 0 || segmentId.empty())
|
||
{
|
||
LOG_WARN("[record_play] invalid parameters");
|
||
return;
|
||
}
|
||
|
||
auto seg = g_record_manager->getSegment(segmentId);
|
||
if (seg.files.empty())
|
||
{
|
||
LOG_WARN("[record_play] no files found for segmentId: " + segmentId);
|
||
return;
|
||
}
|
||
|
||
int64_t duration = seg.end_ms - seg.start_ms;
|
||
|
||
std::string ip = get_ip_address("enP2p33s0");
|
||
if (ip.empty()) ip = "127.0.0.1";
|
||
|
||
int http_port = g_record_manager->getHttpPort();
|
||
|
||
nlohmann::json resp;
|
||
resp["type"] = "response";
|
||
if (!seqNo.is_null()) resp["seqNo"] = seqNo;
|
||
|
||
nlohmann::json data;
|
||
data["loc"] = loc;
|
||
data["segmentId"] = segmentId;
|
||
data["startTime"] = seg.start_ms;
|
||
data["endTime"] = seg.end_ms;
|
||
data["duration"] = duration;
|
||
|
||
nlohmann::json files = nlohmann::json::array();
|
||
int index = 1;
|
||
for (auto& f : seg.files)
|
||
{
|
||
files.push_back({{"index", index++},
|
||
{"url", "http://" + ip + ":" + std::to_string(http_port) + f.path},
|
||
{"startTime", f.start_ms},
|
||
{"endTime", f.end_ms}});
|
||
}
|
||
|
||
data["files"] = files;
|
||
resp["data"] = data;
|
||
|
||
mqtt_client->publish(g_app_config.mqtt.topics.record_play, resp.dump(), 1);
|
||
}
|
||
|
||
static void on_mqtt_message_received(const std::string& topic, const std::string& message)
|
||
{
|
||
try
|
||
{
|
||
auto j = nlohmann::json::parse(message);
|
||
|
||
// ===============================
|
||
// 1. vehicle_ctrl：放宽协议限制
|
||
// ===============================
|
||
if (topic == g_app_config.mqtt.topics.vehicle_ctrl)
|
||
{
|
||
// 必须存在 data，且 data 是对象
|
||
if (!j.contains("data") || !j["data"].is_object()) return;
|
||
|
||
const auto& d = j["data"];
|
||
|
||
std::string cmd = d.value("command", "");
|
||
int value = d.value("value", 0);
|
||
|
||
// 视频程序只关心 startCtrl / stopCtrl，其它不打印也不处理
|
||
if (value != 1) return;
|
||
if (cmd != "startCtrl" && cmd != "stopCtrl") return;
|
||
|
||
// 视频关心的指令才打印
|
||
LOG_INFO("[MQTT] Received message on [" + topic + "]");
|
||
LOG_INFO("[MQTT] Payload: " + j.dump(-1));
|
||
|
||
// 执行
|
||
if (cmd == "startCtrl")
|
||
{
|
||
LOG_INFO("[vehicle_ctrl] startCtrl → ENABLE live");
|
||
RTMPManager::set_live_enabled_all(true);
|
||
}
|
||
else // stopCtrl
|
||
{
|
||
LOG_INFO("[vehicle_ctrl] stopCtrl → DISABLE live");
|
||
RTMPManager::set_live_enabled_all(false);
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
// ==========================================
|
||
// 2. 其他 topic：必须是 type=request
|
||
// ==========================================
|
||
if (!j.contains("type") || j["type"] != "request")
|
||
{
|
||
// 非 request 的消息直接忽略
|
||
return;
|
||
}
|
||
|
||
LOG_INFO("[MQTT] Received message on [" + topic + "]");
|
||
LOG_INFO("[MQTT] Payload: " + j.dump(-1));
|
||
|
||
// ===============================
|
||
// 3. 按 topic 分发
|
||
// ===============================
|
||
if (topic == g_app_config.mqtt.topics.video_down)
|
||
{
|
||
handle_video_down_request(j);
|
||
}
|
||
else if (topic == g_app_config.mqtt.topics.record_query)
|
||
{
|
||
handle_record_query_request(j);
|
||
}
|
||
else if (topic == g_app_config.mqtt.topics.record_play)
|
||
{
|
||
handle_record_play_request(j);
|
||
}
|
||
else
|
||
{
|
||
LOG_WARN("[MQTT] Unknown topic: " + topic);
|
||
}
|
||
}
|
||
catch (const std::exception& e)
|
||
{
|
||
LOG_ERROR(std::string("[MQTT] Failed to process incoming JSON: ") + e.what());
|
||
}
|
||
}
|
||
|
||
void mqtt_client_thread_func()
|
||
{
|
||
const auto& cfg = g_app_config.mqtt;
|
||
auto heartbeat_interval = std::chrono::milliseconds(static_cast<int>(cfg.keep_alive * 0.9));
|
||
|
||
while (g_running)
|
||
{
|
||
mqtt_client = std::make_unique<MQTTClient>(cfg);
|
||
mqtt_client->setConnectCallback(on_mqtt_connected);
|
||
mqtt_client->setDisconnectCallback(on_mqtt_disconnected);
|
||
mqtt_client->setMessageCallback(on_mqtt_message_received);
|
||
|
||
// 等待连接
|
||
while (g_running && !mqtt_client->isConnected())
|
||
{
|
||
mqtt_client->connect();
|
||
for (int i = 0; i < 10 && g_running && !mqtt_client->isConnected(); i++)
|
||
std::this_thread::sleep_for(std::chrono::milliseconds(50));
|
||
|
||
if (!g_running && !mqtt_client->isConnected()) mqtt_client->force_disconnect();
|
||
}
|
||
|
||
// 主循环：心跳
|
||
while (g_running && mqtt_client->isConnected())
|
||
{
|
||
send_heartbeat();
|
||
|
||
auto sleep_time = heartbeat_interval;
|
||
while (sleep_time.count() > 0 && g_running && mqtt_client->isConnected())
|
||
{
|
||
auto chunk = std::min(sleep_time, std::chrono::milliseconds(50));
|
||
std::this_thread::sleep_for(chunk);
|
||
sleep_time -= chunk;
|
||
}
|
||
|
||
if (!g_running && mqtt_client->isConnected()) mqtt_client->force_disconnect();
|
||
}
|
||
|
||
// 清理
|
||
if (mqtt_client)
|
||
{
|
||
if (g_running)
|
||
mqtt_client->disconnect();
|
||
else
|
||
mqtt_client->force_disconnect();
|
||
mqtt_client.reset();
|
||
}
|
||
|
||
if (!g_running) break;
|
||
|
||
// 短暂等待再重连
|
||
for (int i = 0; i < 5 && g_running; i++) std::this_thread::sleep_for(std::chrono::milliseconds(200));
|
||
}
|
||
LOG_INFO("[MQTT] Client thread exiting.");
|
||
}
|