clientdlg.cpp

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// ClientDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Client.h"
#include "ClientDlg.h"
#include "ClientLogin.h"
#include "ChatDlg.h"
#include "ChatSocket.h"
#include "ListenSocket.h"
#include "PeerSocket.h"

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

/////////////////////////////////////////////////////////////////////////////
// CClientDlg dialog

CClientDlg::CClientDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClientDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClientDlg)
	// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	m_pImageList = NULL;	
	m_pArchiveIn = NULL;	
	m_pArchiveOut = NULL;	
	m_pFile = NULL;
	m_pSocket = NULL;

	memset(&m_hostAddr, 0, sizeof(SOCKADDR_IN));
}

CClientDlg::~CClientDlg()
{
	
	if (NULL != m_pImageList)
	{
		delete m_pImageList;
		m_pImageList = NULL;
	}
	if (NULL != m_pArchiveIn)
	{
		delete m_pArchiveIn;
		m_pArchiveIn = NULL;
	}
	if (NULL != m_pArchiveOut)
	{
		delete m_pArchiveOut;
		m_pArchiveOut = NULL;
	}
	
	if (NULL != m_pFile)
	{
		delete m_pFile;
		m_pFile = NULL;
	}

	if (m_pSocket != NULL)
	{
		BYTE Buffer[50];
		m_pSocket->ShutDown();
		
		while(m_pSocket->Receive(Buffer,50) > 0);//????	
		delete m_pSocket;
		m_pSocket = NULL;
	}



}
void CClientDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClientDlg)
	DDX_Control(pDX, IDC_CLIENT_LIST, m_ctlUserList);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClientDlg, CDialog)
	//{{AFX_MSG_MAP(CClientDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_DESTROY()
	ON_NOTIFY(NM_DBLCLK, IDC_CLIENT_LIST, OnDblclkClientList)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClientDlg message handlers

BOOL CClientDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	

	if (!Init())
		EndDialog(IDCANCEL);
	return FALSE;


//#define WM_USER                         0x0400
// 	CUserInfo userInfo;
// 	userInfo.m_time = CTime::GetCurrentTime();
// 	userInfo.m_strName = "sunhm";
// 	CString str("我吃饭去了。");
// 	ShowOfflineMsg(userInfo, str);

	return TRUE;  // return TRUE  unless you set the focus to a control
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CClientDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CClientDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

/*
 * 初始化
 */
BOOL CClientDlg::Init(void)
{
	
	InitListCtrlSetting();	//初始化列表视图控件	

	BegingListen();			//开始监听
 	
	if(!ConnectToServer())	//连接服务器
	return FALSE;

	return TRUE;
}

/*
 * 连接服务器
 */
BOOL CClientDlg::ConnectToServer(void)
{
	//创建CChatSocket对象
	m_pSocket = new CChatSocket(this);	
	if (!m_pSocket->Create())//创建套接字，绑定，注册网络事件
	{
		delete m_pSocket;
		m_pSocket = NULL;
		AfxMessageBox(_T("创建套接字失败！"));
		return FALSE;
	}
	m_pFile = new CSocketFile(m_pSocket);					//创建CSocketFile对象
	m_pArchiveIn = new CArchive(m_pFile,CArchive::load);	//创建读入文档对象
	

	CClientLoginDlg loginDlg(this);//登录对话框
	if (IDOK == loginDlg.DoModal())
	{
		//服务器端口
		SHORT shServPort = (SHORT)atoi((LPCTSTR)loginDlg.m_strServerPort);
		m_servAddr.sin_family = AF_INET;									//地址家族
		m_servAddr.sin_addr.S_un.S_addr = htonl((u_long)loginDlg.m_dwIP);	//地址
		m_servAddr.sin_port = htons(shServPort);							//端口
	
		//连接服务器
		while (!m_pSocket->Connect((SOCKADDR*)&m_servAddr, sizeof(m_servAddr)))
		{
			if (AfxMessageBox(_T("连接服务器失败，是否再次尝试连接。"),MB_YESNO) == IDNO)
			{
				return FALSE;
			}
		}

		//获取本机套接字地址
		SOCKADDR_IN hostAddr;
		int nSockaddLen = sizeof(SOCKADDR_IN);
		m_pSocket->GetSockName((SOCKADDR*)&hostAddr, &nSockaddLen);
		m_hostAddr.sin_addr.S_un.S_addr = hostAddr.sin_addr.S_un.S_addr;//主机地址
	
	
		CChatPacket packet;															//数据包

		packet.m_type = CChatPacket::USERLIST;										//类型
		packet.m_UserInfo.m_strName = loginDlg.m_strName;							//名称
		packet.m_UserInfo.m_strPassword = loginDlg.m_strPassword;					//密码
		packet.m_UserInfo.m_eStatus = CUserInfo::LOGIN;								//用户状态
		packet.m_UserInfo.m_lIP = hostAddr.sin_addr.S_un.S_addr;					//IP
		packet.m_UserInfo.m_nPort = m_hostAddr.sin_port;							//端口
		packet.m_UserInfo.m_time = CTime::GetCurrentTime();							//登录时间		
		m_UserInfo = packet.m_UserInfo;												//保存用户信息

		//请求用户列表
		SendPacket(packet);
		return TRUE;
	}else
	{
		return FALSE;
	}
}


/*
 * 等待接收消息
 */
void CClientDlg::ProcessPendingRead(void)
{
	do
	{
		ReadPacket();
		if (m_pSocket == NULL)
			return;
	}
	while(!m_pArchiveIn->IsBufferEmpty());//将缓冲区数据全部读入
}

/*
 * 接收服务器数据
 */
void CClientDlg::ReadPacket(void)
{
	CObList		obList;//临时链表
	CChatPacket	packet;//数据包
	packet.m_pUserList = &obList;

	TRY
	{
		packet.Serialize(*m_pArchiveIn);					//接收数据

		if (packet.m_type == CChatPacket::MESSAGE)			//离线消息
		{
			ShowOfflineMsg(&packet);		

		}else if (packet.m_type == CChatPacket::USERLIST)	//用户列表
		{
			CreateUserList(&obList);						//创建用户链表

			UpdateClientListCtl();							//更新用户界面

			m_UserInfo.m_eStatus = CUserInfo::ONLINE;		//修改用户状态

		}else if (packet.m_type == CChatPacket::SERVERMSG)	//登录失败消息
		{
			 MessageBox(packet.m_strMsg, "Server Messages", MB_OK);			
			 EndDialog(IDCANCEL);							//退出		
		}		
	}
	CATCH (CFileException, e)
	{
		MessageBox(_T("读入chatter链表错误"));		
	}
	END_CATCH
}

/*
 * 更新用户列表
 */
void CClientDlg::UpdateClientListCtl(void)
{
	//删除原来用户链表		
	m_ctlUserList.DeleteAllItems(); 
	
	POSITION pos;
	int nIndex = 0;
	for(pos = m_UserList.GetHeadPosition(); pos != NULL;)//遍历整个链表
	{
		//获取每个用户信息
		CUserInfo userInfo;
		userInfo =*(CUserInfo*)m_UserList.GetNext(pos);
		
		LVITEM lvItem;
		lvItem.mask = LVIF_TEXT |LVIF_IMAGE |LVIF_PARAM;
		lvItem.iItem = nIndex;
		lvItem.iSubItem = 0;
		lvItem.pszText = userInfo.m_strName.GetBuffer(10);