CMWAP GPRS 连接实例

来源：互联网发布：php 维护升级编辑：程序博客网时间：2024/04/30 02:20

以下程序通过WAP连接Google，并获得Google网页的实例程序。

#include "stdafx.h"
#include <windows.h>
#include <commctrl.h>
#include <Wininet.h>
#include <Connmgr.h>
#include <tsp.h>
#include "stlogfile.h"
#define GOOGLEWEBPAGE _T("/DevDivFile.xml")
void DestroyConnection( HANDLE hConnect )
{
// If a connection exists, destroy it
if(NULL != hConnect )
{
ConnMgrReleaseConnection(hConnect, FALSE);
}
}
int CreateConnection( HANDLE *phConnection )
{
HRESULT hResult;
// HANDLE phConnection;
DWORD dwStatus;
DWORD dwResult;
CONNMGR_DESTINATION_INFO cdi;
int i;
for(i = 0; SUCCEEDED(ConnMgrEnumDestinations(i, &cdi)); i++)
{
if (0 == wcscmp(cdi.szDescription, _T("WAP")))
break;
}
hResult = ConnMgrEnumDestinations(i, &cdi);
if (FAILED(hResult))
return FALSE;
CONNMGR_CONNECTIONINFO ConnInfo;
ZeroMemory( &ConnInfo, sizeof( ConnInfo ) );
ConnInfo.cbSize = sizeof( ConnInfo );
ConnInfo.dwParams = CONNMGR_PARAM_GUIDDESTNET;
ConnInfo.dwPriority = CONNMGR_PRIORITY_USERINTERACTIVE;
ConnInfo.dwFlags = CONNMGR_FLAG_PROXY_HTTP | CONNMGR_FLAG_PROXY_WAP | CONNMGR_FLAG_PROXY_SOCKS4 | CONNMGR_FLAG_PROXY_SOCKS5;
ConnInfo.bExclusive = FALSE;
ConnInfo.bDisabled = FALSE;
ConnInfo.guidDestNet = cdi.guid;
STLOG_WRITE(_T("ConnectToHttpServer/n") );
hResult = ConnMgrEstablishConnectionSync( &ConnInfo, phConnection, 60000, &dwStatus );
if ( hResult != S_OK )
{
STLOG_WRITE(_T("ConnMgrEstablishConnection is error/n") );
dwResult = GetLastError();
return S_FALSE;
}
else
{
// do something
}
return S_OK;
}
BOOL ConnectToHttpGetServer( LPCTSTR lpszServerName, LPCTSTR lpszObjectName )
{
BOOL bResult;
DWORD dwResult;
HANDLE hConnection;
DWORD dwWritten;
LPTSTR szReadBuffer;
DWORD dwNumberOfBytesRead;
int nContentLength;
DWORD dwTotalRead;
hConnection = NULL;
bResult = FALSE;
nContentLength = 0;
dwNumberOfBytesRead = 0;
dwTotalRead = 0;
dwWritten = 0;
if( CreateConnection( &hConnection ) != S_OK )
return FALSE;
HINTERNET hInternet = InternetOpen( _T("DevDiv"), INTERNET_OPEN_TYPE_PROXY, _T("10.0.0.172"), NULL, 0);
if ( hInternet == NULL )
{
STLOG_WRITE(_T("InternetOpen is error/n") );
dwResult = GetLastError();
return bResult;
}
HINTERNET hInternetConnect = InternetConnect( hInternet, lpszServerName, INTERNET_DEFAULT_HTTP_PORT, NULL, NULL, INTERNET_SERVICE_HTTP, 0, 1 );
if ( hInternetConnect == NULL )
{
STLOG_WRITE(_T("InternetConnect is error/n") );
dwResult = GetLastError();
return bResult;
}
//TCHAR szAccept[] = L"*/*"; //we accept everything...
//LPTSTR AcceptTypes[2]={0};
//AcceptTypes[0]=szAccept;
HINTERNET hRequest = HttpOpenRequest(hInternetConnect,_T("GET"),lpszObjectName, L"HTTP/1.1",NULL,(LPCTSTR *)NULL,0,1);
if (!hRequest)
{
dwResult = GetLastError();
STLOG_WRITE(_T("HttpOpenRequest is error/n") );
return bResult;
}
BOOL bSuccess = HttpSendRequest(hRequest, NULL, 0, NULL, 0 );
if ( !bSuccess )
{
STLOG_WRITE(_T("HttpSendRequestEx is error/n") );
dwResult = GetLastError();
return bResult;
}
TCHAR szHeader[ 1000 ];
ZeroMemory( szHeader, sizeof( szHeader ) );
DWORD dwHeaderLength = sizeof( szHeader );
// HTTP_QUERY_RAW_HEADERS
BOOL bQuery=HttpQueryInfo(hRequest, HTTP_QUERY_CONTENT_LENGTH, szHeader, &dwHeaderLength, NULL);
if ( !bQuery )
{
STLOG_WRITE(_T("HttpQueryInfo is error/n") );
dwResult = GetLastError();
return bResult;
}
nContentLength = _wtoi( szHeader );
HANDLE hFile = CreateFile( GOOGLEWEBPAGE, GENERIC_READ|GENERIC_WRITE, 0, NULL,CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL );
if ( hFile == INVALID_HANDLE_VALUE )
{
dwResult = GetLastError();
return bResult;
}
szReadBuffer = (LPTSTR) malloc( 1024 );
ZeroMemory(szReadBuffer, 1024 );
while( TRUE )
{
bResult = InternetReadFile(hRequest, szReadBuffer, 1024, &dwNumberOfBytesRead);
if ( bResult )
{
if ( dwTotalRead == nContentLength && dwNumberOfBytesRead == 0 )
{
bResult = TRUE;
break;
}
else
{
SetFilePointer ( hFile, 0, NULL, FILE_END );
WriteFile( hFile,(LPBYTE)szReadBuffer, dwNumberOfBytesRead, &dwWritten, NULL );
dwTotalRead = dwTotalRead + dwNumberOfBytesRead;
}
}
else
{
bResult = FALSE;
break;
}
}
CloseHandle(hFile);
free(szReadBuffer);
InternetCloseHandle( hInternetConnect );
InternetCloseHandle( hInternet );
DestroyConnection( hConnection );
STLOG_WRITE(_T("www.devdiv.net/n") );
return bResult;
}
int _tmain(int argc, _TCHAR* argv[])
{
ConnectToHttpGetServer( _T("www.google.cn"), NULL );
return 0;
}