ZLMediaKit/src/Http/HttpDownloader.h

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/*
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* MIT License
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*
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* 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.
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*/
#ifndef SRC_HTTP_HTTPDOWNLOADER_H_
#define SRC_HTTP_HTTPDOWNLOADER_H_
#include "HttpClientImp.h"
namespace ZL {
namespace Http {
class HttpDownloader: public HttpClientImp {
public:
typedef std::shared_ptr<HttpDownloader> Ptr;
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typedef std::function<void(ErrCode code,const char *errMsg,const char *filePath)> onDownloadResult;
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HttpDownloader();
virtual ~HttpDownloader();
//开始下载文件,默认断点续传方式下载
void startDownload(const string &url,const string &filePath = "",bool bAppend = false);
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void startDownload(const string &url,const onDownloadResult &cb){
setOnResult(cb);
startDownload(url);
}
void setOnResult(const onDownloadResult &cb){
_onResult = cb;
}
private:
void onResponseHeader(const string &status,const HttpHeader &headers) override;
void onResponseBody(const char *buf,size_t size,size_t recvedSize,size_t totalSize) override;
void onResponseCompleted() override;
void onDisconnect(const SockException &ex) override;
void closeFile();
FILE *_saveFile = nullptr;
string _filePath;
onDownloadResult _onResult;
bool _bDownloadSuccess = false;
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};
} /* namespace Http */
} /* namespace ZL */
#endif /* SRC_HTTP_HTTPDOWNLOADER_H_ */