mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 19:20:53 +08:00
146 lines
4.2 KiB
C++
146 lines
4.2 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_FILEREADER_H
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#define ZLMEDIAKIT_FILEREADER_H
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#include <stdlib.h>
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#include <memory>
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#include "Network/Buffer.h"
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#include "Util/ResourcePool.h"
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#include "Util/logger.h"
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using namespace std;
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using namespace toolkit;
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#ifndef MIN
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#define MIN(a,b) ((a) < (b) ? (a) : (b) )
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#endif //MIN
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namespace mediakit {
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/**
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* http content部分基类定义
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*/
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class HttpBody{
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public:
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typedef std::shared_ptr<HttpBody> Ptr;
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HttpBody(){}
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virtual ~HttpBody(){}
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/**
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* 剩余数据大小
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*/
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virtual uint64_t remainSize() { return 0;};
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/**
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* 读取一定字节数，返回大小可能小于size
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* @param size 请求大小
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* @return 字节对象
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*/
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virtual Buffer::Ptr readData(uint32_t size) { return nullptr;};
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};
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/**
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* string类型的content
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*/
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class HttpStringBody : public HttpBody{
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public:
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typedef std::shared_ptr<HttpStringBody> Ptr;
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HttpStringBody(const string &str);
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virtual ~HttpStringBody(){}
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uint64_t remainSize() override ;
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Buffer::Ptr readData(uint32_t size) override ;
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private:
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mutable string _str;
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uint64_t _offset = 0;
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};
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/**
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* 文件类型的content
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*/
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class HttpFileBody : public HttpBody{
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public:
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typedef std::shared_ptr<HttpFileBody> Ptr;
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/**
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* 构造函数
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* @param fp 文件句柄，文件的偏移量必须为0
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* @param offset 相对文件头的偏移量
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* @param max_size 最大读取字节数，未判断是否大于文件真实大小
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*/
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HttpFileBody(const std::shared_ptr<FILE> &fp,uint64_t offset,uint64_t max_size);
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HttpFileBody(const string &file_path);
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~HttpFileBody(){};
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uint64_t remainSize() override ;
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Buffer::Ptr readData(uint32_t size) override;
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private:
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void init(const std::shared_ptr<FILE> &fp,uint64_t offset,uint64_t max_size);
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private:
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std::shared_ptr<FILE> _fp;
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uint64_t _max_size;
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uint64_t _offset = 0;
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std::shared_ptr<char> _map_addr;
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ResourcePool<BufferRaw> _pool;
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};
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class HttpArgs;
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/**
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* http MultiForm 方式提交的http content
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*/
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class HttpMultiFormBody : public HttpBody {
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public:
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typedef std::shared_ptr<HttpMultiFormBody> Ptr;
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/**
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* 构造函数
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* @param args http提交参数列表
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* @param filePath 文件路径
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* @param boundary boundary字符串
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*/
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HttpMultiFormBody(const HttpArgs &args,const string &filePath,const string &boundary = "0xKhTmLbOuNdArY");
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virtual ~HttpMultiFormBody(){}
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uint64_t remainSize() override ;
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Buffer::Ptr readData(uint32_t size) override;
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public:
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static string multiFormBodyPrefix(const HttpArgs &args,const string &boundary,const string &fileName);
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static string multiFormBodySuffix(const string &boundary);
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static uint64_t fileSize(FILE *fp);
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static string multiFormContentType(const string &boundary);
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private:
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string _bodyPrefix;
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string _bodySuffix;
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uint64_t _offset = 0;
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uint64_t _totalSize;
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HttpFileBody::Ptr _fileBody;
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};
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}//namespace mediakit
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#endif //ZLMEDIAKIT_FILEREADER_H
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