text: ﻿/*
   * 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_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;
  	typedef std::function<void(ErrCode code,const char *errMsg,const char *filePath)> onDownloadResult;
  	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, float timeOutSecond = 10 );
  	void startDownload(const string &url,const onDownloadResult &cb,float timeOutSecond = 10){
  		setOnResult(cb);
  		startDownload(url,"",false,timeOutSecond);
  	}
  	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 onManager() override;
  
      void closeFile();
  
  	FILE *_saveFile = nullptr;
  	string _filePath;
  	onDownloadResult _onResult;
      uint32_t _timeOutSecond;
  	bool _bDownloadSuccess = false;
      Ticker _downloadTicker;
  };
  
  } /* namespace Http */
  } /* namespace ZL */
  
  #endif /* SRC_HTTP_HTTPDOWNLOADER_H_ */
  