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2026-07-03 16:05:30 +08:00
commit df489d5640
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+//Download by http://www.NewXing.com
+// HttpDownload.h: interface for the HttpDownload class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#if !defined(AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_)
+#define AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_
+
+#if _MSC_VER > 1000
+#pragma once
+#endif // _MSC_VER > 1000
+
+#include <Afxsock.h>
+/////////////////////////////////////////////////////
+//////////////////////////////////////////////////////
+///MY CODES STARTS HERE///////////////////////////////
+//////////////////////////////////////////////////////
+
+//#include <afxtempl.h>
+//#include <afxmt.h>
+
+#ifndef MultiThreadDataClassH
+#define MultiThreadDataClassH
+
+#endif
+
+typedef struct FromToImpl{
+    DWORD from;
+    DWORD to;
+}m_fromTo;
+
+typedef struct InforImpl{
+    CString server;
+	CString object;
+    CString savePath;  //文件保存路径
+    DWORD  fileSize;   //文件大小
+    int    threadCnt;  //线程数
+    DWORD  downloadSize;//已经下载文件大小
+    FromToImpl *fromToImpl;
+	
+}m_inforImpl;
+
+
+typedef struct NewTask{
+	CString server;
+	CString object;
+	UINT port;
+	UINT threadCnt;
+	CString savepath;
+}NewTask;
+
+UINT threadFun(LPVOID lparam);//函数声明
+
+#define DEFAULT_HTTP_PORT  80  
+#define PER_GETLEN  1024  
+
+// HTTP STATUS CODE分类
+// const UINT	HTTP_OK			= 0;
+// const UINT	HTTP_ERROR		= 1;
+// const UINT	HTTP_REDIRECT	= 2;
+// const UINT	HTTP_FAIL		= 3;
+
+// 发送请求
+const UINT SENDREQUEST_SUCCESS	= 0; // 成功
+const UINT SENDREQUEST_ERROR	= 1; // 一般网络错误，可以重试
+const UINT SENDREQUEST_STOP		= 2; // 中途停止(用户中断) (不用重试)
+const UINT SENDREQUEST_FAIL		= 3; // 失败 (不用重试)	 
+
+class HttpDownload  
+{
+public:
+
+	//bool realDownload(DWORD pos ,DWORD len,int index,CSocket sock);
+	
+	HttpDownload();
+	virtual ~HttpDownload();
+	
+	void Initial(int n);
+
+	void FreeMemory();  //释放内存
+	void SetStop(bool m_bstop);//通过参数stop确定是否停止
+
+
+    void CreateThread();
+    BOOL StartHttpTask(NewTask task);
+
+	UINT SendRequest(BOOL bHead = false);
+	bool Download(int index);
+	CTime GetTime(LPCTSTR lpszTime);
+	UINT GetInfo(LPCTSTR lpszHeader, DWORD &dwContentLength, DWORD &dwStatusCode, CTime &TimeLastModified);
+
+	CString GetLine(char* lpData, int& ndx);
+	int GetHeadLength(char* lpData);
+	BOOL ParseURL(CString str);
+    bool GetInfofromTemp(CString filename);
+	void GetInfofromDevision();
+	void CreateInforImpl(CString str);
+	bool CreateNewFile(CString fileName, DWORD size);
+	bool WriteInfoToFile();
+	bool WriteToFile(CString filePath,DWORD pos ,char *buffer , int len);
+
+	//CTypedPtrList<CPtrList, CAsyncSocket*> m_lsTask;
+
+	//DOWNLOADSTATE m_state;
+	//BOOL m_bTerminate[4];
+
+	CSocket m_pSocket;//套结字
+
+	CString m_strServer;//服务器地址
+	CString m_strObject;//远端路径
+	CString m_strSavePath;//文件本地保存地址
+	CString m_strTempSavePath;//临时文件保存地址
+	CString m_strHead;//。。。
+	CString m_strReferer; //产生请求的初始资源
+	CString m_strDownloadUrl;//重定向后的下载路径！！！！！
+
+	CTime   m_TimeLastModified;//上次修改时间
+	
+	BOOL	m_bSupportResume; //是否支持断点续传
+	BOOL	m_bResume;       //是否曾经下过
+	BOOL    m_bFileLocked;   //临时文件是否被占用
+	BOOL    m_bIsUseFile;
+	BOOL    m_bStop;
+	BOOL    m_bAddSize;
+
+	UINT    m_nPort;//端口号
+	FILE    *globalFile;
+
+	//CCriticalSection m_cs;
+	DWORD	m_dwDownloadSize;//已经下载文件的大小
+	DWORD	m_dwFileSize;//要下载的文件的大小
+	int   m_dwThreadCnt;//线程数
+	LONG    m_index;
+	int  runningThreadCnt;//正在运行的线程数
+
+	FromToImpl *fromToImpl;
+    InforImpl  inforImpl;
+
+	//waston
+	int nComplete;
+	NewTask TaskInfo;
+	//waston
+
+
+/////////////////////////////////////////////////////
+//MY CODES ENDS HERE/////////////////////////////////
+/////////////////////////////////////////////////////
+     
+
+
+};
+
+#endif // !defined(AFX_HTTPDOWNLOAD_H__F5CAC8FE_99D6_482E_966B_487D4E515329__INCLUDED_)
+