ZLMediaKit/api/include/mk_webrtc_api.h
Dw9 ebe4141026
c api和测试范例新增webrtc功能 (#1574)
* Update Rtsp.cpp

* c sdk识别到enable_webrtc

* mk_api增加json库

* 对rtc http请求的处理

* c sdk 增加rtc服务器
2022-04-16 15:57:02 +08:00

225 lines
7.6 KiB
C++

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