wwclient.cpp

Example of network programing. This example shows how to sent information (file, task (process) list

// WWClient.cpp : Defines the entry point for the application.
//

#include "stdafx.h"
#include "WWClient.h"
#include <windows.h>
#include <commctrl.h>
#include <winsock2.h>

#define MAX_LOADSTRING 100

HINSTANCE hInst;			// current instance
char buffer[10240];
TCHAR string[64];

static unsigned int * b;
int  h=0;

ATOM MyRegisterClass(HINSTANCE, LPTSTR);
BOOL InitInstance(HINSTANCE, int);
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK	About(HWND, UINT, WPARAM, LPARAM);

HWND hWnd;
HWND hWndListView;
HWND hMenuBar;		// menu bar handle

WSADATA wsaData;
SOCKET sendsock;
SOCKADDR_IN	addr_Sock;
PHOSTENT pHost;

struct ReadBmp
{
    BYTE*           dwBuff;
    DWORD           dwSize;
};


#include "imgdecmp.h"
#include "imaging.h"
#include "initguid.h"
#include "imgguids.h"

#include <connmgr.h>
#pragma comment( lib, "cellcore.lib" )
CONNMGR_CONNECTIONINFO ConnInfo;
HANDLE  hConnection; 
GUID    GUID_Network;
HRESULT hr;


HBITMAP hSShotBMP=0;
HDC hDC;
HDC hMemDC;
RECT lpr;
PAINTSTRUCT ps;
HGDIOBJ OldObj;
int ImageSize;

DWORD CALLBACK GetImageData(LPSTR pBuf,
                            DWORD	dwBufMax,
                            LPARAM	lParam)
{
    ReadBmp*	pRb = (ReadBmp*) lParam;
    DWORD		dwBytesRead = 0,
                         dwToRead = 0;
    //
    // Check if there is anything left to read from the file.
    //
    if(pRb->dwSize > 0)
    {
        //
        // Calculate what amount to read
        //
        if(pRb->dwSize > dwBufMax)
            dwToRead = dwBufMax;
        else
            dwToRead = pRb->dwSize;
        //
        // Read the buffer
        //
        dwBytesRead = pRb->dwSize;
        //
        // Decrease the amount to read for the next pass
        //
        pRb->dwSize -= dwBytesRead;
    }
    return dwBytesRead;
}

BOOL decodeImage1(BYTE* pBuf, int imgLength)
{
    ReadBmp				rbmp;
    HDC					hDC;
    DecompressImageInfo	dii;

	rbmp.dwBuff = pBuf;
    rbmp.dwSize	= imgLength;

    hDC = GetDC(NULL);

    dii.dwSize					= sizeof(dii);
    dii.pbBuffer				= pBuf; //szBuffer;
    dii.dwBufferMax				= imgLength; //sizeof(pBuf);
    dii.dwBufferCurrent			= 0;
    dii.phBM					= &hSShotBMP;
    dii.ppImageRender			= NULL;
    dii.iBitDepth				= GetDeviceCaps(hDC,BITSPIXEL);
    dii.lParam					= (LPARAM) &rbmp;
    dii.hdc						= hDC;
    dii.iScale					= 100;
    dii.iMaxWidth				= 10000;
    dii.iMaxHeight				= 10000;
    dii.pfnGetData				= GetImageData;
    dii.pfnImageProgress		= 0;
    dii.crTransparentOverride	= (UINT) -1;

	HINSTANCE hDll = LoadLibrary(TEXT("imgdecmp.dll"));
	if (!hDll) return false;

	typedef HRESULT (*DecompressImageIndirect_t)(DecompressImageInfo *pParams);
	DecompressImageIndirect_t DecompressImageIndirectProc = (DecompressImageIndirect_t)GetProcAddress(hDll, TEXT("DecompressImageIndirect"));
	if (! DecompressImageIndirectProc) 
	{
	FreeLibrary(hDll);
	return 0;
	}
	HRESULT hr = DecompressImageIndirectProc(&dii);

    if(SUCCEEDED(hr))
    {
        ReleaseDC(NULL, hDC);


        return TRUE;
    }
    else
    {
        hSShotBMP	= NULL;
        return FALSE;
    }
    return FALSE;
}
BOOL decodeImage2(BYTE* pBuf, int imgLength)
{
IImagingFactory *pImgFactory = NULL;
IImage *pImage = NULL;
CoInitializeEx(NULL, COINIT_MULTITHREADED);

hSShotBMP=0;

if (SUCCEEDED(CoCreateInstance (CLSID_ImagingFactory,
                                    NULL,
                                    CLSCTX_INPROC_SERVER,
                                    IID_IImagingFactory,
                                    (void **)&pImgFactory)))
    {
		ImageInfo imageInfo;
        if (SUCCEEDED(pImgFactory->CreateImageFromBuffer(pBuf, imgLength, BufferDisposalFlagNone,&pImage))&& SUCCEEDED(pImage->GetImageInfo(&imageInfo)))
        {
			hMemDC=CreateCompatibleDC(GetDC(hWnd));
			hSShotBMP = CreateCompatibleBitmap(GetDC(hWnd), imageInfo.Width, imageInfo.Height);
			lpr.right=imageInfo.Width;
			lpr.bottom=imageInfo.Height;
			if (hSShotBMP)
			{
			OldObj=SelectObject(hMemDC,hSShotBMP);
			pImage->Draw(hMemDC, &lpr, NULL);
			SelectObject(hMemDC,OldObj);			
			}
			DeleteDC(hMemDC);
			pImage->Release();
        }
        pImgFactory->Release();
    }
    CoUninitialize();

	return TRUE;
}

BOOL decodeImage(BYTE* pBuf, int imgLength)
{
	OSVERSIONINFO vi;
	memset(&vi, 0, sizeof(vi));
	vi.dwOSVersionInfoSize = sizeof(vi);
	VERIFY(GetVersionEx(&vi));
	if (vi.dwMajorVersion>=5)
	{
	return decodeImage2(pBuf,imgLength);
	}
	else 
	{
	return decodeImage1(pBuf,imgLength);
	}
}


int WINAPI WinMain(HINSTANCE hInstance,
                   HINSTANCE hPrevInstance,
                   LPTSTR    lpCmdLine,
                   int       nCmdShow)
{
	MSG msg;

	if (!InitInstance(hInstance, nCmdShow)) 
	{
		return FALSE;
	}

	WSAStartup (MAKEWORD(2,2), &wsaData);

	while (GetMessage(&msg, NULL, 0, 0)) 
	{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
	}

	DeleteObject(hSShotBMP);
	WSACleanup();

	return (int) msg.wParam;
}

ATOM MyRegisterClass(HINSTANCE hInstance, LPTSTR szWindowClass)
{
	WNDCLASS wc;

	wc.style         = CS_HREDRAW | CS_VREDRAW;
	wc.lpfnWndProc   = WndProc;
	wc.cbClsExtra    = 0;
	wc.cbWndExtra    = 0;
	wc.hInstance     = hInstance;
	wc.hIcon         = LoadIcon(hInstance, MAKEINTRESOURCE(IDI_WWCLIENT));
	wc.hCursor       = 0;
	wc.hbrBackground = (HBRUSH) GetStockObject(WHITE_BRUSH);
	wc.lpszMenuName  = 0;
	wc.lpszClassName = szWindowClass;

	return RegisterClass(&wc);
}

BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
    TCHAR szTitle[MAX_LOADSTRING];		// title bar text
    TCHAR szWindowClass[MAX_LOADSTRING];	// main window class name

    hInst = hInstance; 

    SHInitExtraControls();

    LoadString(hInstance, IDS_APP_TITLE, szTitle, MAX_LOADSTRING); 
    LoadString(hInstance, IDC_WWCLIENT, szWindowClass, MAX_LOADSTRING);


    hWnd = FindWindow(szWindowClass, szTitle);	
    if (hWnd) 
    {
        SetForegroundWindow((HWND)((ULONG) hWnd | 0x00000001));
        return 0;
    } 

    if (!MyRegisterClass(hInstance, szWindowClass))
    {
    	return FALSE;
    }

    hWnd = CreateWindow(szWindowClass, szTitle, WS_VISIBLE,
        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, hInstance, NULL);

    if (!hWnd)
    {
        return FALSE;
    }

    if (hMenuBar)
    {
        RECT rc;
        RECT rcMenuBar;

        GetWindowRect(hWnd, &rc);
        GetWindowRect(hMenuBar, &rcMenuBar);
        rc.bottom -= (rcMenuBar.bottom - rcMenuBar.top);
		
        MoveWindow(hWnd, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, FALSE);
    }


    ShowWindow(hWnd, nCmdShow);
    UpdateWindow(hWnd);


	wsprintf(string,TEXT("http://nuts.homeip.net"));
	DWORD i=0;

	hr=ConnMgrMapURL(string, &GUID_Network, &i);
	ConnInfo.cbSize=sizeof(ConnInfo);
	ConnInfo.dwParams=CONNMGR_PARAM_GUIDDESTNET;
	ConnInfo.dwFlags=0;
	ConnInfo.dwPriority=CONNMGR_PRIORITY_USERINTERACTIVE ;
    ConnInfo.guidDestNet = GUID_Network;
	hr=ConnMgrEstablishConnection(&ConnInfo, &hConnection); 

    return TRUE;
}

HWND CreateListView (HWND hWndParent)                                     
{
HWND hWndList;      		// handle to list view window
RECT rcl;           		// rectangle for setting size of window
LV_COLUMN LVC;				// list view column structure
	
InitCommonControls();
	
GetClientRect(hWndParent, &rcl);
	
hWndList=	CreateWindow(WC_LISTVIEW, NULL,
            WS_CHILD | WS_VISIBLE | LVS_REPORT  ,
            rcl.left, rcl.top, rcl.right - rcl.left, rcl.bottom - rcl.top - 20,
            hWndParent, (HMENU)NULL, hInst,NULL);

	if (hWndList == NULL )
		return NULL;

	LVC.mask=LVCF_TEXT | LVCF_WIDTH;
	LVC.pszText=string;

	LoadString(hInst, IDS_PID, string, 64);
	LVC.cx=70;
	SendMessage (hWndList, LVM_INSERTCOLUMN, 0, (LONG)&LVC);

	LoadString(hInst, IDS_PROC, string, 64);
	LVC.cx=120;
	SendMessage (hWndList, LVM_INSERTCOLUMN, 0, (LONG)&LVC);


	
	return (hWndList);
}
int SendCommand(char cmd)
{
int RDbytes,i,j;

//addr_Sock.sin_addr.s_addr = inet_addr((const char *)"89.109.18.29"); 
pHost=gethostbyname( (const char *)&"nuts.homeip.net" );
memmove(&addr_Sock.sin_addr.s_addr,*pHost->h_addr_list,sizeof(PCHAR));

addr_Sock.sin_family = AF_INET;
addr_Sock.sin_port = htons(333);
sendsock=socket (AF_INET,SOCK_STREAM,0);
connect(sendsock,(struct sockaddr *)&addr_Sock,sizeof(addr_Sock));

buffer[0]=cmd;
send(sendsock,buffer,1,0);

RDbytes=recv(sendsock, buffer, 2, 0);

RDbytes=*(WORD *)buffer;
if (RDbytes)
{
ZeroMemory(&buffer,RDbytes);
i=0;
j=0;
while (i!=RDbytes)
	{
	j=recv(sendsock, buffer+i, RDbytes-i, 0);
	if (j==SOCKET_ERROR) break;
	i+=j;
	}
}

closesocket(sendsock); 
return RDbytes;
}
void Refresh(void)
{
LPSTR CurChar;
LVITEM IT; 
byte a;

ShowWindow(hWndListView,SW_SHOW);

SendCommand('P');
ListView_DeleteAllItems(hWndListView);
CurChar=(char *)&buffer;
a=*CurChar;
while (a!=0)
	{
	IT.mask= LVIF_TEXT;
	IT.iItem=0;
	IT.iSubItem=0;
	IT.pszText=string;

	mbstowcs((wchar_t *)&string, CurChar, 64);

	SendMessage (hWndListView,LVM_INSERTITEM, 0, (LONG)&IT);

	while (a!=0)
		{
		a=*CurChar;
		CurChar++;
		}
	
	wsprintf((LPWSTR)&string,TEXT("%d"),*(DWORD __unaligned *)CurChar);
	IT.pszText=string;
	IT.iSubItem=1;
	SendMessage(hWndListView,LVM_SETITEMTEXT,0,(LONG)&IT);
	
	CurChar+=4;
	a=*CurChar;
	}
}

void Screen()
{
ShowWindow(hWndListView,SW_HIDE);

if (hSShotBMP)
	{
	DeleteObject(hSShotBMP);
	hSShotBMP=0;
	}

ImageSize=SendCommand('S');
if (ImageSize) decodeImage((byte *)buffer, ImageSize); 
InvalidateRect(hWnd,NULL,false);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    int wmId, wmEvent;
    PAINTSTRUCT ps;

    static SHACTIVATEINFO s_sai;
	
    switch (message) 
    {
        case WM_COMMAND:
            wmId    = LOWORD(wParam); 
            wmEvent = HIWORD(wParam); 
   
            switch (wmId)
            {
			case IDPM_REFRESH:
			Refresh();
			break;

			case IDPM_SCREEN:
			Screen();
			break;
			case IDPM_EXIT:
				SendMessage (hWnd, WM_CLOSE, 0, 0);
				break;

            default:
                    return DefWindowProc(hWnd, message, wParam, lParam);
            }
            break;
        case WM_CREATE:
            SHMENUBARINFO mbi;

            memset(&mbi, 0, sizeof(SHMENUBARINFO));
            mbi.cbSize     = sizeof(SHMENUBARINFO);
            mbi.hwndParent = hWnd;
            mbi.nToolBarId = IDR_MENU;
            mbi.hInstRes   = hInst;
			mbi.dwFlags |= SHCMBF_HMENU;


            if (!SHCreateMenuBar(&mbi)) 
            {
                hMenuBar = NULL;
            }
            else
            {
                hMenuBar = mbi.hwndMB;
            }

            // Initialize the shell activate info structure
            memset(&s_sai, 0, sizeof (s_sai));
            s_sai.cbSize = sizeof (s_sai);

			hWndListView = CreateListView( hWnd );
			ShowWindow(hWndListView,SW_HIDE);

            break;
        case WM_PAINT:
			{
			GetClientRect( hWnd,&lpr);
			hDC=BeginPaint( hWnd, (LPPAINTSTRUCT)&ps); 

			if (hSShotBMP)
				{
				hMemDC=CreateCompatibleDC(hDC);
				OldObj=SelectObject(hMemDC,hSShotBMP);
				BitBlt(hDC,0,0,lpr.right-lpr.left,lpr.bottom-lpr.top,hMemDC,0,0,SRCCOPY);
				SelectObject(hMemDC,OldObj);			
				DeleteDC(hMemDC);
				}
			//wsprintf((LPWSTR)&string,TEXT("%d"),ImageSize);
			//ExtTextOut(hDC,0,0,0,NULL,string,lstrlen(string), NULL);
            EndPaint(hWnd, &ps);
            break;
			}
        case WM_DESTROY:
            CommandBar_Destroy(hMenuBar);
            PostQuitMessage(0);
            break;

        case WM_ACTIVATE:
            // Notify shell of our activate message
            SHHandleWMActivate(hWnd, wParam, lParam, &s_sai, FALSE);
            break;
        case WM_SETTINGCHANGE:
            SHHandleWMSettingChange(hWnd, wParam, lParam, &s_sai);
            break;

        default:
            return DefWindowProc(hWnd, message, wParam, lParam);
    }
    return 0;
}