chat.cpp

a general purpose TCP/UDP socket class for WinCE

// Chat.cpp : implementation file
//

#include "stdafx.h"
#include "CCETest.h"
#include "Chat.h"
#include "MySocket.h"

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

/////////////////////////////////////////////////////////////////////////////
// CChat dialog


CChat::CChat(CWnd* pParent /*=NULL*/)
	: CDialog(CChat::IDD, pParent)
{
	//{{AFX_DATA_INIT(CChat)
	m_sRecv = _T("");
	m_sSend = _T("");
	//}}AFX_DATA_INIT
}

void CChat::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CChat)
	DDX_Text(pDX, IDC_RECV, m_sRecv);
	DDX_Text(pDX, IDC_SEND, m_sSend);
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CChat, CDialog)
	//{{AFX_MSG_MAP(CChat)
	ON_MESSAGE(ON_RECEIVE, OnReceiveData)
	ON_MESSAGE(ON_CLOSE, OnDisconnected)
	ON_BN_CLICKED(IDC_EXIT, OnExit)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CChat message handlers

void CChat::ConnectTo(SOCKET s)
{
	m_peer.SetParent(this);
	m_peer.AcceptServiceSocket(s);
}

LRESULT CChat::OnReceiveData(WPARAM wParam, LPARAM lParam)
{
	while(m_peer.GetDataSize() > 0 && m_peer.ReadString(m_sRecv))
		GetDlgItem(IDC_RECV)->SetWindowText(m_sRecv);
	return 0;
}

LRESULT CChat::OnDisconnected(WPARAM wParam, LPARAM lParam)
{
	CDialog::OnOK();
	return 0;
}

void CChat::OnOK() 
{
	int len;
	UpdateData();
	m_sSend += "\r\n";
	len = m_sSend.GetLength();
	m_peer.Send(m_sSend, len);
}

void CChat::OnExit() 
{
	m_peer.Disconnect();	
	CDialog::OnOK();
}