Use of free SocketPro package for creating super client and server applications

// SpeedTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "SpeedTest.h"
#include "SpeedTestDlg.h"

#include <SockUtil.h>
#include <atlbase.h>
#include "..\..\Svr\HostDnsSvs.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSpeedTestDlg dialog

CSpeedTestDlg::CSpeedTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CSpeedTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CSpeedTestDlg)
	m_strClients = _T("");
	m_strHost = _T("");
	m_nPort = 1739;
	m_dwTime = 0;
	m_nBytes = 0;
	m_nNagleTime = 0;
	m_bNagle = FALSE;
	m_nRepeat = 100;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CSpeedTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CSpeedTestDlg)
	DDX_Text(pDX, IDC_HOST_EDIT, m_strHost);
	DDX_Text(pDX, IDC_PORT_EDIT, m_nPort);
	DDX_Text(pDX, IDC_TIMECOST_EDIT, m_dwTime);
	DDX_Text(pDX, IDC_BYTES_EDIT, m_nBytes);
	DDX_Text(pDX, IDC_NAGLETIME_EDIT, m_nNagleTime);
	DDX_Check(pDX, IDC_NAGLE_CHECK, m_bNagle);
	DDX_Text(pDX, IDC_REPEAT_EDIT, m_nRepeat);
	DDV_MinMaxUInt(pDX, m_nRepeat, 1, 8000);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CSpeedTestDlg, CDialog)
	//{{AFX_MSG_MAP(CSpeedTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CONNECT_BUTTON, OnConnectButton)
	ON_BN_CLICKED(IDC_DISCONNECT_BUTTON, OnDisconnectButton)
	ON_BN_CLICKED(IDC_ASYN_NAGLE_BUTTON, OnAsynNagleButton)
	ON_BN_CLICKED(IDC_ASYN_BATCH_BUTTON, OnAsynBatchButton)
	ON_BN_CLICKED(IDC_SYN_ONE_BUTTON, OnSynOneButton)
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_NAGLE_CHECK, OnNagleCheck)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSpeedTestDlg message handlers

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

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

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

void CSpeedTestDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CSpeedTestDlg::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 CSpeedTestDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

bool CSpeedTestDlg::Run()
{
	DWORD	dwBytes=0;

	//make sure if any data is available
	if(!IOCtl(FIONREAD, dwBytes)||dwBytes<sizeof(CStreamHeader))
		return false;
	
	BYTE	*pBuffer=new BYTE[dwBytes];
	m_nBytes +=RecvBigChunk(pBuffer, dwBytes);
	m_dwTime=::GetTickCount()-m_dwStart;
	UpdateData(FALSE);

	//you could decode the binary data here
	//the binary data contains various infos such as method ids, returned data, or error codes if available here

	delete []pBuffer;
	
	//Peek if any data is available
	dwBytes=0;
	IOCtl(FIONREAD, dwBytes);
	if(dwBytes && dwBytes >= sizeof(CStreamHeader))
	{
		while(!::PostMessage(CAsySocketClient::GetWnd(), WM_SOCKET_CLIENT_NOTIFY, m_hSocket, FD_READ))
		{
			::Sleep(1);
		}
	}
	return true;
}

void CSpeedTestDlg::OnConnectButton() 
{
	UpdateData(TRUE);

	//set application instance
	SetInstance(AfxGetApp()->m_hInstance);
	
	//create a local socket
	CAsySocket::Create(0);
	
	//connect the local socket to a server (m_strHost) listening socket (m_nPort) asynchronously
	//connection time out is 30 seconds by default. 
	//If you don't like this default, call the function CAsySocketClient::SetConnectTimeout
	Connect(m_strHost, m_nPort);	
}

void CSpeedTestDlg::OnClose(WPARAM hSocket,  LPARAM lError)
{
	GetDlgItem(IDC_ASYN_NAGLE_BUTTON)->EnableWindow(FALSE);
	GetDlgItem(IDC_ASYN_BATCH_BUTTON)->EnableWindow(FALSE);
	GetDlgItem(IDC_SYN_ONE_BUTTON)->EnableWindow(FALSE);
	
	m_bNagle=FALSE;

	UpdateData(FALSE);

	CAsySocketClient::OnClose(hSocket, lError);
}

void CSpeedTestDlg::OnConnect(WPARAM hSocket,  LPARAM lError)
{
	if(lError==S_OK)
	{
		DWORD	dwOldEvents=m_lEvent;
		
		GetDlgItem(IDC_ASYN_NAGLE_BUTTON)->EnableWindow(TRUE);
		GetDlgItem(IDC_ASYN_BATCH_BUTTON)->EnableWindow(TRUE);
		GetDlgItem(IDC_SYN_ONE_BUTTON)->EnableWindow(TRUE);
		
		CStreamHeader	StreamHeader;

		CPacking		Packing;

		StreamHeader.m_nValue=HOST_DNS_SVS_SOCKET;	//HostDNS class ID

		//switch to blocking mode, and make logical in coding simpler 
		AsyncSelect(0);

		//Remember that the SocketPro server can provide multiple svervices 
		//Tells the SocketPro server to switch to HostDNS service only
		SendBigChunk(&StreamHeader, sizeof(StreamHeader));
		
		//Get the returned result
		RecvBigChunk(&StreamHeader, sizeof(StreamHeader));
		if(StreamHeader.m_nValue!=S_OK)
		{
			MessageBox("No requried class recognized!");
		}

		//switch back to non-blocking mode, and don't need the event FD_CONNECT any more
		AsyncSelect(dwOldEvents &~(FD_CONNECT));

		m_bNagle=TRUE;

		UpdateData(FALSE);
	}
	else
	{
		CString strErrMsg;
		strErrMsg.Format("Error happens in connecting to a host, and error code =%d\n", lError);
		MessageBox(strErrMsg);
	}
}

void CSpeedTestDlg::OnDisconnectButton() 
{
	GetDlgItem(IDC_ASYN_NAGLE_BUTTON)->EnableWindow(FALSE);
	GetDlgItem(IDC_ASYN_BATCH_BUTTON)->EnableWindow(FALSE);
	GetDlgItem(IDC_SYN_ONE_BUTTON)->EnableWindow(FALSE);
	
	//gracefully shut down socket
	ShutDown();
//	Close();

	m_bNagle=FALSE;

	UpdateData(FALSE);
}

void CSpeedTestDlg::OnAsynNagleButton() 
{
	UpdateData(TRUE);
	m_dwStart=::GetTickCount();
	unsigned long	nIndex=0;
	m_nBytes=0;
	CStreamHeader	StreamHeader;
	StreamHeader.m_nLen=0;
	StreamHeader.m_nValue=HOST_DNS_SVS_METHOD_ID_GET_CLIENTS;
	
	//Coalescing happens automatically through Nagle algorithm
	//Multiple StreamHeaders are sent to a SocketPro server using one big stream.
	//You can watch the sizes of big streams at the server side.
	//This will reduce data round-trips for efficient use of network.
	for(nIndex=0; nIndex<m_nRepeat; nIndex++)
	{
		//Nagle algorithm may cost a little time, which depends on your machine
		SendBigChunk(&StreamHeader, sizeof(StreamHeader));
	}
	
	m_nNagleTime=::GetTickCount()-m_dwStart;
	UpdateData(FALSE);
}

void CSpeedTestDlg::OnAsynBatchButton() 
{
	UpdateData(TRUE);
	m_dwStart=::GetTickCount();
	m_nBytes=0;
	unsigned long	nIndex=0;
	CStreamHeader	*pStreamHeader=new CStreamHeader [m_nRepeat];
	for(nIndex=0; nIndex<m_nRepeat; nIndex++)
	{
		pStreamHeader[nIndex].m_nLen=0;
		pStreamHeader[nIndex].m_nValue=HOST_DNS_SVS_METHOD_ID_GET_CLIENTS;
	}

	//Coalescing by our code instead of Nagle algorithm
	//Multiple StreamHeaders are sent to a SocketPro server using one big stream.
	//You can watch the sizes of big streams at the server side.
	//This will reduce data round-trips for efficient use of network.
	SendBigChunk(pStreamHeader, m_nRepeat*sizeof(CStreamHeader));
	delete []pStreamHeader;
	m_nNagleTime=::GetTickCount()-m_dwStart;
	UpdateData(FALSE);
}

void CSpeedTestDlg::OnSynOneButton() 
{
	char	*strBuffer;
	unsigned long	nIndex;
	CStreamHeader	StreamHeader;

	//remember the old events
	DWORD	dwOldEvents=m_lEvent;
	UpdateData(TRUE);

	m_nBytes=0;

	//switch to blocking mode
	AsyncSelect(0);

	m_dwStart=::GetTickCount();

	for(nIndex=0; nIndex<m_nRepeat; nIndex++)
	{
		StreamHeader.m_nLen=0;
		StreamHeader.m_nValue=HOST_DNS_SVS_METHOD_ID_GET_CLIENTS;

		SendBigChunk(&StreamHeader, sizeof(StreamHeader));

		//Get the returned stream header 
		m_nBytes += RecvBigChunk(&StreamHeader, sizeof(StreamHeader));
		
		strBuffer = new char [StreamHeader.m_nLen];
		
		//Retrieve the binary data
		m_nBytes += RecvBigChunk(strBuffer, StreamHeader.m_nLen);
		
		delete []strBuffer;
	}

	m_dwTime=::GetTickCount()-m_dwStart;
	UpdateData(FALSE);
	
	//switch back to non-blocking mode
	AsyncSelect(dwOldEvents);
}

void CSpeedTestDlg::OnDestroy() 
{
	if(IsOpen())
	{
		OnDisconnectButton();
	}
	CDialog::OnDestroy();	
}

void CSpeedTestDlg::OnNagleCheck() 
{
	UpdateData(TRUE);
	m_dwStart=::GetTickCount();
	if(IsOpen())
	{
		CStreamHeader	StreamHeader;
		
		//Client side
/*		if(m_bNagle)
		{
			BOOL bNoDelay=(!m_bNagle);
			SetSockOpt(TCP_NODELAY, &bNoDelay, sizeof(bNoDelay), IPPROTO_TCP);
		}
		else
		{
			BOOL bNoDelay=(!m_bNagle);
			SetSockOpt(TCP_NODELAY, &bNoDelay, sizeof(bNoDelay), IPPROTO_TCP);
		}*/
		
		//Server side
		if(m_bNagle)
			StreamHeader.m_nValue=ENABLE_NAGLE;	//enable
		else
			StreamHeader.m_nValue=DISABLE_NAGLE;	//disable	

		SendBigChunk(&StreamHeader, sizeof(StreamHeader));
	}
}