mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
226 lines
7.6 KiB
C++
226 lines
7.6 KiB
C++
/*
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* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
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*
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* This file is part of ZLMediaKit(https://github.com/xia-chu/ZLMediaKit).
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*
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* Use of this source code is governed by MIT license that can be found in the
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* LICENSE file in the root of the source tree. All contributing project authors
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* may be found in the AUTHORS file in the root of the source tree.
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*/
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#ifdef ENABLE_WEBRTC
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#ifndef MK_WEBRTC_API_H
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#define MK_WEBRTC_API_H
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#include "Common/Parser.h"
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#include "Http/HttpSession.h"
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#include "Network/Socket.h"
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#include "jsoncpp/json.h"
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#include <functional>
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#include <string>
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#include "../webrtc/WebRtcEchoTest.h"
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#include "../webrtc/WebRtcPlayer.h"
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#include "../webrtc/WebRtcPusher.h"
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#include "../webrtc/WebRtcTransport.h"
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namespace API {
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typedef enum {
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NotFound = -500, //未找到
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Exception = -400, //代码抛异常
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InvalidArgs = -300, //参数不合法
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SqlFailed = -200, // sql执行失败
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AuthFailed = -100, //鉴权失败
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OtherFailed = -1, //业务代码执行失败，
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Success = 0 //执行成功
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} ApiErr;
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} // namespace API
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class ApiRetException : public std::runtime_error {
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public:
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ApiRetException(const char *str = "success", int code = API::Success)
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: runtime_error(str) {
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_code = code;
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}
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~ApiRetException() = default;
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int code() { return _code; }
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private:
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int _code;
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};
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class AuthException : public ApiRetException {
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public:
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AuthException(const char *str)
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: ApiRetException(str, API::AuthFailed) {}
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~AuthException() = default;
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};
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class InvalidArgsException : public ApiRetException {
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public:
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InvalidArgsException(const char *str)
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: ApiRetException(str, API::InvalidArgs) {}
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~InvalidArgsException() = default;
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};
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class SuccessException : public ApiRetException {
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public:
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SuccessException()
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: ApiRetException("success", API::Success) {}
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~SuccessException() = default;
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};
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using ApiArgsType = std::map<std::string, std::string, mediakit::StrCaseCompare>;
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template <typename Args, typename First>
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std::string getValue(Args &args, const First &first) {
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return args[first];
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}
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template <typename First>
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std::string getValue(Json::Value &args, const First &first) {
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return args[first].asString();
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}
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template <typename First>
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std::string getValue(std::string &args, const First &first) {
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return "";
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}
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template <typename First>
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std::string getValue(const mediakit::Parser &parser, const First &first) {
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auto ret = parser.getUrlArgs()[first];
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if (!ret.empty()) {
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return ret;
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}
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return parser.getHeader()[first];
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}
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template <typename First>
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std::string getValue(mediakit::Parser &parser, const First &first) {
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return getValue((const mediakit::Parser &)parser, first);
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}
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template <typename Args, typename First>
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std::string getValue(const mediakit::Parser &parser, Args &args, const First &first) {
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auto ret = getValue(args, first);
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if (!ret.empty()) {
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return ret;
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}
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return getValue(parser, first);
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}
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template <typename Args>
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class HttpAllArgs {
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public:
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HttpAllArgs(const mediakit::Parser &parser, Args &args) {
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_get_args = [&args]() { return (void *)&args; };
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_get_parser = [&parser]() -> const mediakit::Parser & { return parser; };
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_get_value
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= [](HttpAllArgs &that, const std::string &key) { return getValue(that.getParser(), that.getArgs(), key); };
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_clone = [&](HttpAllArgs &that) {
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that._get_args = [args]() { return (void *)&args; };
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that._get_parser = [parser]() -> const mediakit::Parser & { return parser; };
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that._get_value = [](HttpAllArgs &that, const std::string &key) {
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return getValue(that.getParser(), that.getArgs(), key);
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};
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that._cache_able = true;
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};
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}
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HttpAllArgs(const HttpAllArgs &that) {
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if (that._cache_able) {
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_get_args = that._get_args;
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_get_parser = that._get_parser;
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_get_value = that._get_value;
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_cache_able = true;
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} else {
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that._clone(*this);
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}
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}
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~HttpAllArgs() = default;
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template <typename Key>
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toolkit::variant operator[](const Key &key) const {
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return (toolkit::variant)_get_value(*(HttpAllArgs *)this, key);
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}
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const mediakit::Parser &getParser() const { return _get_parser(); }
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Args &getArgs() { return *((Args *)_get_args()); }
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const Args &getArgs() const { return *((Args *)_get_args()); }
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private:
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bool _cache_able = false;
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std::function<void *()> _get_args;
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std::function<const mediakit::Parser &()> _get_parser;
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std::function<std::string(HttpAllArgs &that, const std::string &key)> _get_value;
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std::function<void(HttpAllArgs &that)> _clone;
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};
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#define API_ARGS_MAP \
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toolkit::SockInfo &sender, mediakit::HttpSession::KeyValue &headerOut, const HttpAllArgs<ApiArgsType> &allArgs, \
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Json::Value &val
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#define API_ARGS_MAP_ASYNC API_ARGS_MAP, const mediakit::HttpSession::HttpResponseInvoker &invoker
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#define API_ARGS_JSON \
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toolkit::SockInfo &sender, mediakit::HttpSession::KeyValue &headerOut, const HttpAllArgs<Json::Value> &allArgs, \
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Json::Value &val
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#define API_ARGS_JSON_ASYNC API_ARGS_JSON, const mediakit::HttpSession::HttpResponseInvoker &invoker
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#define API_ARGS_STRING \
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toolkit::SockInfo &sender, mediakit::HttpSession::KeyValue &headerOut, const HttpAllArgs<std::string> &allArgs, \
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Json::Value &val
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#define API_ARGS_STRING_ASYNC API_ARGS_STRING, const mediakit::HttpSession::HttpResponseInvoker &invoker
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#define API_ARGS_VALUE sender, headerOut, allArgs, val
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//注册http请求参数是http原始请求信息的异步回复的http api
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void api_regist(const std::string &api_path, const std::function<void(API_ARGS_STRING_ASYNC)> &func);
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template <typename Args, typename First>
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bool checkArgs(Args &args, const First &first) {
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return !args[first].empty();
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}
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template <typename Args, typename First, typename... KeyTypes>
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bool checkArgs(Args &args, const First &first, const KeyTypes &...keys) {
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return checkArgs(args, first) && checkArgs(args, keys...);
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}
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//检查http url中或body中或http header参数是否为空的宏
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#define CHECK_ARGS(...) \
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if (!checkArgs(allArgs, ##__VA_ARGS__)) { \
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throw InvalidArgsException("缺少必要参数:" #__VA_ARGS__); \
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}
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#ifdef ENABLE_WEBRTC
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class WebRtcArgsImp : public WebRtcArgs {
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public:
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WebRtcArgsImp(const HttpAllArgs<std::string> &args, std::string session_id)
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: _args(args)
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, _session_id(std::move(session_id)) {}
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~WebRtcArgsImp() override = default;
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variant operator[](const std::string &key) const override {
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if (key == "url") {
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return getUrl();
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}
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return _args[key];
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}
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private:
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std::string getUrl() const {
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auto &allArgs = _args;
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CHECK_ARGS("app", "stream");
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return StrPrinter << RTC_SCHEMA << "://" << _args["Host"] << "/" << _args["app"] << "/" << _args["stream"]
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<< "?" << _args.getParser().Params() + "&session=" + _session_id;
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}
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private:
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HttpAllArgs<std::string> _args;
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std::string _session_id;
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};
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#endif
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#endif // MK_WEBRTC_API_H
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#endif // ENABLE_WEBRTC
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