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cxh 2025-11-14 15:13:05 +08:00
parent 16a05d9fc6
commit c70d14eadb
1 changed files with 61 additions and 39 deletions
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76
src/mqtt_client_wrapper.cpp
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@ -73,57 +73,79 @@ static void on_mqtt_connected()
static void on_mqtt_disconnected() { LOG_WARN("[MQTT] Disconnected from broker: " + g_app_config.mqtt.server_ip); }
static void on_mqtt_message_received(const std::string& topic, const std::string& message)
static void handle_video_down_request(const nlohmann::json& req)
{
try
if (!req.contains("data") || !req["data"].is_object())
{
auto j = nlohmann::json::parse(message);
LOG_WARN("[video_down] Missing data");
return;
}
// -------- 判断字段 type 是否为 "request" --------
if (j.contains("type") && j["type"].is_string() && j["type"] == "request")
int sw = req["data"].value("switch", 0);
if (sw != 1)
{
LOG_INFO("[MQTT] Received message on topic [" + topic + "], len = " + std::to_string(message.size()));
LOG_INFO("[MQTT] Message content: " + j.dump(-1));
LOG_INFO("[video_down] switch != 1, ignore");
return;
}
// -------- 判断 data.switch 是否为 1 --------
if (j.contains("data") && j["data"].is_object())
{
const auto& d = j["data"];
if (d.contains("switch") && d["switch"].is_number_integer())
{
int sw = d["switch"];
if (sw == 1)
{
// ---- 获取 RTMP 状态 ----
// 取得当前所有 RTMP 播放地址
auto channels_info = RTMPManager::get_all_channels_status();
// ---- 构造 response ----
// 构造响应
nlohmann::json resp;
resp["type"] = "response";
resp["seqNo"] = j.value("seqNo", "0");
resp["seqNo"] = req.value("seqNo", "0");
resp["data"] = nlohmann::json::array();
int loc = 0;
for (const auto& ch : channels_info)
{
resp["data"].push_back({{"loc", loc}, {"url", ch.url}});
loc++;
}
// ---- 发布 MQTT 响应 ----
std::string out = resp.dump(-1);
mqtt_client->publish(g_app_config.mqtt.topics.video_down, out, 1);
// 发布回复
mqtt_client->publish(g_app_config.mqtt.topics.video_down, resp.dump(-1), 1);
LOG_INFO("[video_down] response sent");
}
static void handle_record_query_request(const nlohmann::json& req) {}
static void handle_record_play_request(const nlohmann::json& req) {}
static void on_mqtt_message_received(const std::string& topic, const std::string& message)
{
try
{
auto j = nlohmann::json::parse(message);
// 必须是 request
if (!j.contains("type") || j["type"] != "request")
{
LOG_INFO("[MQTT] Ignored non-request message");
return;
}
LOG_INFO("[MQTT] Received request on [" + topic + "]");
LOG_INFO("[MQTT] Payload: " + j.dump(-1));
// 根据 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_INFO("[MQTT] Message is NOT a request.");
LOG_WARN("[MQTT] Unknown topic: " + topic);
}
}
catch (const std::exception& e)