on_play/on_publish hook 新增protocol字段 (#4133 #4143)

对于webhook  涉及到media info的相关信息，增加protocol 的字段，表明是基于什么协议传输的

src/Http/HttpSession.cpp

@@ -213,6 +213,7 @@ bool HttpSession::checkWebSocket() {
     if (Sec_WebSocket_Key.empty()) {
         return false;
     }
+    _is_websocket = true;
     auto Sec_WebSocket_Accept = encodeBase64(SHA1::encode_bin(Sec_WebSocket_Key + "258EAFA5-E914-47DA-95CA-C5AB0DC85B11"));
 
     KeyValue headerOut;
@@ -305,6 +306,12 @@ bool HttpSession::checkLiveStream(const string &schema, const string &url_suffix
         return false;
     }
 
+    if (_is_websocket) {
+        _media_info.protocol = overSsl() ? "wss" : "ws";
+    } else {
+        _media_info.protocol = overSsl() ? "https" : "http";
+    }
+
     bool close_flag = !strcasecmp(_parser["Connection"].data(), "close");
     weak_ptr<HttpSession> weak_self = static_pointer_cast<HttpSession>(shared_from_this());
 

src/Http/HttpSession.h

@@ -158,6 +158,7 @@ protected:
 private:
     bool _is_live_stream = false;
     bool _live_over_websocket = false;
+    bool _is_websocket = false;
     // 超时时间  [AUTO-TRANSLATED:f15e2672]
     // Timeout
     size_t _keep_alive_sec = 0;