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Help Need on CInternetSeccion

Posted on 1998-04-23
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Last Modified: 2013-11-19
I'm starting to learn visual C++. I need to build a client which will connect to a server and
send a cgi text. The server will convert it to a wave format and send it back.
Could I use CHhttpConnection HTTP_VERB_POST to OpenRequest and then send a a
pointer this points to the string to be converted.

Can I execute this file form dos command. If so How?
CInternetSession Connection;
      CHttpConnection* pHttpConnection = NULL;
      CHttpFile* pFile = NULL;

      try
      {
       pHttpConnection = Connection.GetHttpConnection("www.wrox.com");
       pFile = pHttpConnection->OpenRequest(CHttpConnection::HTTP_VERB_GET,"/");
       pFile->SendRequest();      
      }
      catch (CInternetException* pEx)
      {
            pEx->ReportError();
            pEx->Delete();

Thanks for your time.
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Question by:aa04
1 Comment
 
LVL 11

Accepted Solution

by:
mikeblas earned 200 total points
ID: 1301623

This code will use HTTP_VERB_POST to send a form to the server.

// compile me for debug with:
// cl /Zi /MTd doit.cpp
// compile me for release with:
// cl /MT doit.cpp

#include <afx.h>
#include <afxwin.h>
#include <afxinet.h>
#include <iostream>

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

CWinApp theApp;

using namespace std;

CString strHeaders =
"Content-Type: application/x-www-form-urlencoded\r\n\r\n";

int _tmain(int argc, TCHAR* argv[], TCHAR* envp[])
{
   int nRetCode = 0;

   //REVIEW: this app does no error-checking whatsoever

   if (!AfxWinInit(::GetModuleHandle(NULL), NULL, ::GetCommandLine(), 0))
   {
      cerr << _T("Fatal Error: MFC initialization failed") << endl;
      nRetCode = 1;
   }
   else
   {
      CInternetSession sess("YourAgent");

      CHttpConnection* pConnection = sess.GetHttpConnection("www.bridgepath.com");
      CHttpFile *pFile = NULL;
      pFile = pConnection->OpenRequest("POST", "/jobseek/inputinitial.cfm");

      CString strPost(
         "email=spaceape@nowhere.net&"
         "email_required=Your+e-mail+address+is+required+to+continue.&"
         "brand=BridgePath");
 
      pFile->SendRequest(strHeaders, (LPVOID)(LPCTSTR) strPost, strPost.GetLength());

      CString str;
      while (pFile->ReadString(str))
      {
         cout << (LPCTSTR) str;
         cout << endl;
      }

      pFile->Close();
      delete pFile;
      pConnection->Close();
   }

   return nRetCode;
}



If you want to have the server convert some data from one format to another and return it, you'll need to write software on the server side to do that. And you'll need to make sure what you POST, and the way you read it back, exactly matches what's going on with the server software.

.B ekiM

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