www.pudn.com > Download111.rar > HTTPDownload.h

// HTTPDownload.h: interface for the CHTTPDownload class. 
// 
////////////////////////////////////////////////////////////////////// 
 
#if !defined(AFX_HTTPDOWNLOAD_H__BA195238_6DC5_4491_9173_FEC73B994BDC__INCLUDED_) 
#define AFX_HTTPDOWNLOAD_H__BA195238_6DC5_4491_9173_FEC73B994BDC__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
#include  
#include  
 
//This struct is used to save the uncomplished task's info 
//Now this program can only start a task once a time. 
typedef struct tagDOWNLOADSTATE{ 
	CString url; 
	CString localfile; 
	CTime   time; 
	LONG	length; 
	LONG	range[8]; 
}DOWNLOADSTATE,*LPDOWNLOADSTATE; 
 
#define DEFAULT_HTTP_PORT  80 
 
// 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 CHTTPDownload   
{ 
public: 
	UINT ThreadFunc(int index); 
	CTime GetTime(LPCTSTR lpszTime); 
	UINT GetInfo(LPCTSTR lpszHeader, DWORD &dwContentLength, DWORD &dwStatusCode, CTime &TimeLastModified); 
	BOOL StartTask(CString remoteurl, CString localfile); 
	CHTTPDownload(); 
	virtual ~CHTTPDownload(); 
public: 
	CString GetLine(char* lpData, int& ndx); 
	int GetHeadLength(char* lpData); 
	UINT SendRequest(BOOL bHead = FALSE); 
	BOOL ParseURL(CString str); 
	CTypedPtrList m_lsTask; 
	CString m_strSavePath; 
	CString m_strTempSavePath; 
	DOWNLOADSTATE m_state; 
	BOOL m_bTerminate[4]; 
 
	CString m_strHead; 
	CSocket m_pSocket; 
	CString m_strServer; 
	CString m_strObject; 
	CString m_strReferer; 
	CString m_strDownloadUrl; 
	CTime   m_TimeLastModified; 
	DWORD	m_dwDownloadSize; 
	BOOL	m_bSupportResume; 
	BOOL	m_bResume; 
	DWORD	m_dwFileSize; 
	UINT m_nPort; 
 
	CCriticalSection m_cs; 
	LONG m_index; 
}; 
 
#endif // !defined(AFX_HTTPDOWNLOAD_H__BA195238_6DC5_4491_9173_FEC73B994BDC__INCLUDED_)