C / C++ / MFC

void CReconDlg::OnReceive()<br />
{<br />
	char *pBuf = new char[1024];<br />
	CString strRecvd, strConlen = "Content-Length:", actualLen;<br />
	char *pConlen;<br />
        int wholePacket, int result, int lenLen, int endPos, int iBufSize = 1024, int iRcvd, int packetStart;<br />
<br />
        // get the data<br />
	iRcvd = m_sConSocket.Receive(pBuf, iBufSize);<br />
        // strip any garbage off of the buffer<br />
	pBuf[iRcvd] = NULL;<br />
<br />
	// error trap<br />
	if (iRcvd == SOCKET_ERROR){<br />
		MessageBox("Error on receiving socket");<br />
	}else{<br />
                // debug step and append buffer to CString for manipulation<br />
		m_sStat = "Receiving HTML..";<br />
		strRecvd += pBuf;<br />
	}<br />
	<br />
        // search for the Content-Length so we know just how much data we're getting<br />
	pConlen = strstr(strRecvd, strConlen);<br />
	<br />
        // if it's found parse out the Content-Length: header feild and append everything AFTER the header to a new string<br />
	if (pConlen != NULL){<br />
		result = (int)(pConlen - strRecvd + 1) + 15;<br />
		endPos = strRecvd.Find("\n", result) - 1;<br />
		lenLen = (endPos - result);<br />
		actualLen = strRecvd.Left(endPos);<br />
		realLen = actualLen.Right(lenLen);<br />
		packetStart = strRecvd.Find("\r\n\r\n", result);<br />
		int packetLen1 = (strlen(strRecvd) - packetStart);<br />
		m_strIn += strRecvd.Right(packetLen1);<br />
	}else{<br />
                // if there's no header just throw the entire string onto our 'raw packet'<br />
		m_strIn += strRecvd;<br />
	}<br />
                // get lengths<br />
		wholePacket = strlen(m_strIn) - 4;<br />
		CString display ;<br />
		display.Format("%d", wholePacket);<br />
		<br />
        // have we got all of it? if so continue to parse..<br />
	if (realLen == display){<br />
		m_sStat = "Received entire packet, parsing..";<br />
		ParseString(m_strIn);<br />
		m_sConSocket.Close();<br />
		m_strIn = "";<br />
		realLen = "";<br />
		<br />
	}<br />
	<br />
	UpdateData(FALSE);<br />
<br />
}