socketclient.cpp

具有异形窗口的网络电话的程序

// SocketClient.cpp : implementation file
#include "stdafx.h"
#include "NetPhone.h"
#include "SocketClient.h"
#include "NetPhoneDlg.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

// CSocketClient
CSocketClient::CSocketClient()
{
}
CSocketClient::~CSocketClient()
{
	Close();
}

// Do not edit the following lines, which are needed by ClassWizard.
#if 0
BEGIN_MESSAGE_MAP(CSocketClient, CAsyncSocket)
	//{{AFX_MSG_MAP(CSocketClient)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()
#endif	// 0

// FD_CONNECT网络事件处理函数，连接成功时发生
void CSocketClient::OnConnect(int nErrorCode) 
{  
   if (0 != nErrorCode)
   {
      switch( nErrorCode )
      {
         case WSAEADDRINUSE: 
            AfxMessageBox("The specified address is already in use.\n");
            break;
         case WSAEADDRNOTAVAIL: 
            AfxMessageBox("The specified address is not available from the local machine.\n");
            break;
         case WSAEAFNOSUPPORT: 
            AfxMessageBox("Addresses in the specified family cannot be used with this socket.\n");
            break;
         case WSAECONNREFUSED: 
            AfxMessageBox("The attempt to connect was forcefully rejected.\n");
            break;
         case WSAEDESTADDRREQ: 
            AfxMessageBox("A destination address is required.\n");
            break;
         case WSAEFAULT: 
            AfxMessageBox("The lpSockAddrLen argument is incorrect.\n");
            break;
         case WSAEINVAL: 
            AfxMessageBox("The socket is already bound to an address.\n");
            break;
         case WSAEISCONN: 
            AfxMessageBox("The socket is already connected.\n");
            break;
         case WSAEMFILE: 
            AfxMessageBox("No more file descriptors are available.\n");
            break;
         case WSAENETUNREACH: 
            AfxMessageBox("The network cannot be reached from this host at this time.\n");
            break;
         case WSAENOBUFS: 
            AfxMessageBox("No buffer space is available. The socket cannot be connected.\n");
            break;
         case WSAENOTCONN: 
            AfxMessageBox("The socket is not connected.\n");
            break;
         case WSAENOTSOCK: 
            AfxMessageBox("The descriptor is a file, not a socket.\n");
            break;
         case WSAETIMEDOUT: 
            AfxMessageBox("The attempt to connect timed out without establishing a connection. \n");
            break;
         default:
            TCHAR szError[256];
            wsprintf(szError, "OnConnect error: %d", nErrorCode);
            AfxMessageBox(szError,MB_ICONINFORMATION | MB_OK,NULL);
            break;
      }
   }   	
   CAsyncSocket::OnConnect(nErrorCode);
}

// FD_WRITE网络事件处理函数，有数据发送时发生
void CSocketClient::OnSend(int nErrorCode) 
{   	
   
	if (0 != nErrorCode)
    {
      switch( nErrorCode)  //Send Error
      {
         case WSANOTINITIALISED: 
            AfxMessageBox("A successful AfxSocketInit must occur before using this API.\n");
            break;
         case WSAENETDOWN: 
            AfxMessageBox("The Windows Sockets implementation detected that the network subsystem failed.\n");
            break;
         case WSAEACCES: 
            AfxMessageBox("The requested address is a broadcast address, but the appropriate flag was not set.\n");
            break;
         case WSAEINPROGRESS: 
            AfxMessageBox("A blocking Windows Sockets operation is in progress.\n");
            break;
         case WSAENETRESET: 
            AfxMessageBox("The connection must be reset because the Windows Sockets implementation dropped it.\n");
            break;
         case WSAENOBUFS: 
            AfxMessageBox("The Windows Sockets implementation reports a buffer deadlock.\n");
            break;
         case WSAENOTCONN: 
            AfxMessageBox("The socket is not connected. \n");
            break;
         case WSAENOTSOCK: 
            AfxMessageBox("The descriptor is not a socket.\n");
            break;
           case WSAEOPNOTSUPP: 
            AfxMessageBox("MSG_OOB was specified, but the socket is not of type SOCK_STREAM.\n");
            break;
         case WSAESHUTDOWN: 
            AfxMessageBox("The socket has been shut down.\n");
            break;
		 case WSAEWOULDBLOCK: 
            AfxMessageBox("The socket is marked as nonblocking and the requested operation would block.\n");
            break;
         case WSAEMSGSIZE: 
            AfxMessageBox("The socket is of type SOCK_DGRAM, and the datagram is larger than the maximum supported by the Windows Sockets implementation. \n");
            break;
		 case WSAEINVAL: 
            AfxMessageBox("The socket has not been bound with Bind.\n");
            break;
		 case WSAECONNABORTED: 
            AfxMessageBox("The virtual circuit was aborted due to timeout or other failure.\n");
            break;
		 case WSAECONNRESET: 
            AfxMessageBox("The virtual circuit was reset by the remote side. \n");
            break;
         default:
            TCHAR szError[256];
            wsprintf(szError, "OnSend error: %d", nErrorCode);
            AfxMessageBox(szError,MB_ICONINFORMATION | MB_OK,NULL);
            break;
	  }
	}
	CAsyncSocket::OnSend(nErrorCode);
}