C / C++ / MFC

STDMETHODIMP CRAPClientX::Connect(BSTR serverIP, BSTR serverPort,BSTR *output)<br />
{<br />
	// TODO: Add your implementation code here	<br />
	/**output=SysAllocString(L"Connected");<br />
	return S_OK;*/<br />
	  //----------------------<br />
  // Initialize Winsock<br />
<br />
  WSADATA wsaData;<br />
  char returnString[150];<br />
<br />
  int iResult = WSAStartup(MAKEWORD(2,2), &wsaData);<br />
  if (iResult != NO_ERROR)<br />
    printf("Error at WSAStartup()\n");<br />
<br />
  //----------------------<br />
  // Create a SOCKET for connecting to server<br />
<br />
  SOCKET ConnectSocket;<br />
<br />
  ConnectSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);<br />
<br />
  if (ConnectSocket == INVALID_SOCKET) <br />
  {<br />
  	sprintf(returnString,"Error at socket(): %ld\n", WSAGetLastError());    <br />
	*output=SysAllocString(_bstr_t(returnString));	<br />
	WSACleanup();<br />
	return S_OK;<br />
  }<br />
<br />
  //----------------------<br />
  // The sockaddr_in structure specifies the address family,<br />
  // IP address, and port of the server to be connected to.<br />
<br />
  sockaddr_in clientService; <br />
<br />
  clientService.sin_family = AF_INET;<br />
<br />
  clientService.sin_addr.s_addr = inet_addr("127.0.0.1" );<br />
<br />
  clientService.sin_port = htons( 27015 );<br />
<br />
  //----------------------<br />
  // Connect to server.<br />
<br />
  if ( connect(ConnectSocket, (SOCKADDR*) &clientService, sizeof(clientService) ) == SOCKET_ERROR) <br />
  {<br />
  	sprintf( returnString,"Failed to connect.\n" );<br />
	*output=SysAllocString(_bstr_t(returnString));<br />
	WSACleanup();<br />
	return S_OK;<br />
  }<br />
<br />
  sprintf(returnString,"Connected to server.\n");<br />
  *output=SysAllocString(_bstr_t(returnString)); <br />
  WSACleanup();<br />
  return S_OK;<br />
}<br />