coco
155 lines
3.9 KiB
C++
155 lines
3.9 KiB
C++
//Download by http://www.NewXing.com
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// HttpDownload.h: interface for the HttpDownload class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_)
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#define AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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#include <Afxsock.h>
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/////////////////////////////////////////////////////
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//////////////////////////////////////////////////////
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///MY CODES STARTS HERE///////////////////////////////
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//////////////////////////////////////////////////////
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//#include <afxtempl.h>
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//#include <afxmt.h>
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#ifndef MultiThreadDataClassH
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#define MultiThreadDataClassH
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#endif
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typedef struct FromToImpl{
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DWORD from;
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DWORD to;
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}m_fromTo;
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typedef struct InforImpl{
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CString server;
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CString object;
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CString savePath; //文件保存路径
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DWORD fileSize; //文件大小
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int threadCnt; //线程数
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DWORD downloadSize;//已经下载文件大小
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FromToImpl *fromToImpl;
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}m_inforImpl;
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typedef struct NewTask{
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CString server;
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CString object;
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UINT port;
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UINT threadCnt;
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CString savepath;
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}NewTask;
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UINT threadFun(LPVOID lparam);//函数声明
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#define DEFAULT_HTTP_PORT 80
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#define PER_GETLEN 1024
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// HTTP STATUS CODE分类
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// const UINT HTTP_OK = 0;
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// const UINT HTTP_ERROR = 1;
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// const UINT HTTP_REDIRECT = 2;
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// const UINT HTTP_FAIL = 3;
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// 发送请求
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const UINT SENDREQUEST_SUCCESS = 0; // 成功
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const UINT SENDREQUEST_ERROR = 1; // 一般网络错误，可以重试
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const UINT SENDREQUEST_STOP = 2; // 中途停止(用户中断) (不用重试)
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const UINT SENDREQUEST_FAIL = 3; // 失败 (不用重试)
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class HttpDownload
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{
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public:
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//bool realDownload(DWORD pos ,DWORD len,int index,CSocket sock);
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HttpDownload();
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virtual ~HttpDownload();
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void Initial(int n);
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void FreeMemory(); //释放内存
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void SetStop(bool m_bstop);//通过参数stop确定是否停止
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void CreateThread();
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BOOL StartHttpTask(NewTask task);
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UINT SendRequest(BOOL bHead = false);
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bool Download(int index);
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CTime GetTime(LPCTSTR lpszTime);
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UINT GetInfo(LPCTSTR lpszHeader, DWORD &dwContentLength, DWORD &dwStatusCode, CTime &TimeLastModified);
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CString GetLine(char* lpData, int& ndx);
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int GetHeadLength(char* lpData);
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BOOL ParseURL(CString str);
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bool GetInfofromTemp(CString filename);
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void GetInfofromDevision();
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void CreateInforImpl(CString str);
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bool CreateNewFile(CString fileName, DWORD size);
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bool WriteInfoToFile();
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bool WriteToFile(CString filePath,DWORD pos ,char *buffer , int len);
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//CTypedPtrList<CPtrList, CAsyncSocket*> m_lsTask;
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//DOWNLOADSTATE m_state;
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//BOOL m_bTerminate[4];
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CSocket m_pSocket;//套结字
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CString m_strServer;//服务器地址
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CString m_strObject;//远端路径
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CString m_strSavePath;//文件本地保存地址
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CString m_strTempSavePath;//临时文件保存地址
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CString m_strHead;//。。。
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CString m_strReferer; //产生请求的初始资源
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CString m_strDownloadUrl;//重定向后的下载路径！！！！！
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CTime m_TimeLastModified;//上次修改时间
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BOOL m_bSupportResume; //是否支持断点续传
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BOOL m_bResume; //是否曾经下过
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BOOL m_bFileLocked; //临时文件是否被占用
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BOOL m_bIsUseFile;
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BOOL m_bStop;
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BOOL m_bAddSize;
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UINT m_nPort;//端口号
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FILE *globalFile;
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//CCriticalSection m_cs;
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DWORD m_dwDownloadSize;//已经下载文件的大小
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DWORD m_dwFileSize;//要下载的文件的大小
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int m_dwThreadCnt;//线程数
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LONG m_index;
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int runningThreadCnt;//正在运行的线程数
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FromToImpl *fromToImpl;
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InforImpl inforImpl;
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//waston
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int nComplete;
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NewTask TaskInfo;
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//waston
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/////////////////////////////////////////////////////
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//MY CODES ENDS HERE/////////////////////////////////
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/////////////////////////////////////////////////////
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};
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#endif // !defined(AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_)
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