mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
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98 lines
3.1 KiB
C++
98 lines
3.1 KiB
C++
/*
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* MIT License
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*
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* Copyright (c) 2016-2019 xiongziliang <771730766@qq.com>
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*
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* This file is part of ZLMediaKit(https://github.com/xiongziliang/ZLMediaKit).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef ZLMEDIAKIT_HTTPREQUESTSPLITTER_H
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#define ZLMEDIAKIT_HTTPREQUESTSPLITTER_H
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#include <string>
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using namespace std;
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namespace mediakit {
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class HttpRequestSplitter {
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public:
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HttpRequestSplitter(){};
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virtual ~HttpRequestSplitter(){};
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/**
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* 添加数据
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* @param data 需要添加的数据
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* @param len 数据长度
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*/
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virtual void input(const char *data,uint64_t len);
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protected:
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/**
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* 收到请求头
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* @param data 请求头数据
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* @param len 请求头长度
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*
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* @return 请求头后的content长度,
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* <0 : 代表后面所有数据都是content，此时后面的content将分段通过onRecvContent函数回调出去
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* 0 : 代表为后面数据还是请求头,
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* >0 : 代表后面数据为固定长度content,此时将缓存content并等到所有content接收完毕一次性通过onRecvContent函数回调出去
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*/
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virtual int64_t onRecvHeader(const char *data,uint64_t len) = 0;
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/**
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* 收到content分片或全部数据
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* onRecvHeader函数返回>0,则为全部数据
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* @param data content分片或全部数据
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* @param len 数据长度
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*/
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virtual void onRecvContent(const char *data,uint64_t len) {};
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/**
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* 判断数据中是否有包尾
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* @param data 数据指针
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* @param len 数据长度
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* @return nullptr代表未找到包位，否则返回包尾指针
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*/
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virtual const char *onSearchPacketTail(const char *data,int len);
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/**
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* 设置content len
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*/
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void setContentLen(int64_t content_len);
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/**
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* 恢复初始设置
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*/
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void reset();
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/**
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* 剩余数据大小
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*/
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int64_t remainDataSize();
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private:
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string _remain_data;
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int64_t _content_len = 0;
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int64_t _remain_data_size = 0;
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};
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} /* namespace mediakit */
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#endif //ZLMEDIAKIT_HTTPREQUESTSPLITTER_H
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