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增加视频播放地址请求

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This commit is contained in:
cxh 2025-11-13 13:41:24 +08:00
parent 1790f7b318
commit c6736e4d0b
1 changed files with 46 additions and 2 deletions
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44
src/mqtt_client_wrapper.cpp
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@ -77,8 +77,52 @@ static void on_mqtt_message_received(const std::string& topic, const std::string
{
auto j = nlohmann::json::parse(message);
// -------- 判断字段 type 是否为 "request" --------
if (j.contains("type") && j["type"].is_string() && j["type"] == "request")
{
LOG_INFO("[MQTT] Received message on topic [" + topic + "], len = " + std::to_string(message.size()));
LOG_INFO("[MQTT] Message content: " + j.dump(-1));
// -------- 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 ----
auto channels_info = RTMPManager::get_all_channels_status();
// ---- 构造 response ----
nlohmann::json resp;
resp["type"] = "response";
resp["seqNo"] = j.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, false);
}
}
}
}
else
{
LOG_INFO("[MQTT] Message is NOT a request.");
}
}
catch (const std::exception& e)
{