ZLMediaKit/src/Http/HttpSession.h
2018-10-24 18:09:54 +08:00

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/*
* MIT License
*
* Copyright (c) 2016 xiongziliang <771730766@qq.com>
*
* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef SRC_HTTP_HTTPSESSION_H_
#define SRC_HTTP_HTTPSESSION_H_
#include <functional>
#include "Common/config.h"
#include "Rtsp/Rtsp.h"
#include "Network/TcpSession.h"
#include "Network/TcpServer.h"
#include "Rtmp/RtmpMediaSource.h"
#include "RtmpMuxer/FlvMuxer.h"
#include "HttpRequestSplitter.h"
#include "WebSocketSplitter.h"
using namespace std;
using namespace toolkit;
namespace mediakit {
class HttpSession: public TcpSession,
public FlvMuxer,
public HttpRequestSplitter,
public WebSocketSplitter {
public:
typedef StrCaseMap KeyValue;
typedef std::function<void(const string &codeOut,
const KeyValue &headerOut,
const string &contentOut)> HttpResponseInvoker;
HttpSession(const std::shared_ptr<ThreadPool> &pTh, const Socket::Ptr &pSock);
virtual ~HttpSession();
virtual void onRecv(const Buffer::Ptr &) override;
virtual void onError(const SockException &err) override;
virtual void onManager() override;
static string urlDecode(const string &str);
protected:
//用于HttpsSession调用
void onRecv(const char *data,int size);
//FlvMuxer override
void onWrite(const Buffer::Ptr &data) override ;
void onWrite(const char *data,int len) override;
void onDetach() override;
std::shared_ptr<FlvMuxer> getSharedPtr() override;
//HttpRequestSplitter override
int64_t onRecvHeader(const char *data,uint64_t len) override;
void onRecvContent(const char *data,uint64_t len) override;
/**
* 重载之用于处理不定长度的content
* 这个函数可用于处理大文件上传、http-flv推流
* @param header http请求头
* @param data content分片数据
* @param len content分片数据大小
* @param totalSize content总大小,如果为0则是不限长度content
* @param recvedSize 已收数据大小
*/
virtual void onRecvUnlimitedContent(const Parser &header,
const char *data,
uint64_t len,
uint64_t totalSize,
uint64_t recvedSize){
WarnL << "content数据长度过大无法处理,请重载HttpSession::onRecvUnlimitedContent";
shutdown();
}
void onWebSocketDecodeHeader(const WebSocketHeader &packet) override{
DebugL << "默认关闭WebSocket";
shutdown();
};
void onRecvWebSocketData(const Parser &header,const char *data,uint64_t len){
WebSocketSplitter::decode((uint8_t *)data,len);
}
private:
Parser _parser;
string _strPath;
Ticker _ticker;
uint32_t _iReqCnt = 0;
//消耗的总流量
uint64_t _ui64TotalBytes = 0;
//flv over http
MediaInfo _mediaInfo;
//处理content数据的callback
function<bool (const char *data,uint64_t len) > _contentCallBack;
private:
inline bool Handle_Req_GET(int64_t &content_len);
inline bool Handle_Req_POST(int64_t &content_len);
inline bool checkLiveFlvStream();
inline bool checkWebSocket();
inline bool emitHttpEvent(bool doInvoke);
inline void urlDecode(Parser &parser);
inline bool makeMeun(const string &strFullPath,const string &vhost, string &strRet);
inline void sendNotFound(bool bClose);
inline void sendResponse(const char *pcStatus,const KeyValue &header,const string &strContent);
inline static KeyValue makeHttpHeader(bool bClose=false,int64_t iContentSize=-1,const char *pcContentType="text/html");
void responseDelay(const string &Origin,bool bClose,
const string &codeOut,const KeyValue &headerOut,
const string &contentOut);
};
} /* namespace mediakit */
#endif /* SRC_HTTP_HTTPSESSION_H_ */