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Return to hellowin.c CVS log | Up to [WindowsNT SDKs] / ntddk / src / network / packet / testapp |
Microsoft Windows NT Build 511 (DDK SDK) 11-01-1993
#include <windows.h>
#include "hellowin.h"
ULONG Filters[6]={0,
NDIS_PACKET_TYPE_DIRECTED,
NDIS_PACKET_TYPE_MULTICAST,
NDIS_PACKET_TYPE_BROADCAST,
NDIS_PACKET_TYPE_ALL_MULTICAST,
NDIS_PACKET_TYPE_PROMISCUOUS};
static char szbuff[40];
char szChildAppName[]="hexdump";
HFONT hFont;
HWND hwndchild;
HINSTANCE hInst;
ADAPTER Adapter;
UINT showdump=0;
LRESULT FAR PASCAL WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
LRESULT FAR PASCAL ChildWndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam);
HFONT GetFont(void);
DWORD GetTextSize(HWND hWnd, HFONT hFont);
LRESULT
HandleCommands(
HWND hWnd,
UINT uMsg,
UINT wParam,
LONG lParam
);
BOOLEAN
CreateAdapter(
IN PADAPTER pAdapter
);
BOOLEAN
CloseAdapter(
IN PADAPTER pAdapter
);
int PASCAL WinMain (HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpszCmdParam,
int nCmdShow)
{
static char szAppName[]="HelloWin";
HWND hwnd;
MSG msg;
WNDCLASS wndclass;
hInst=hInstance;
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW;
wndclass.lpfnWndProc = WndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (NULL, IDI_APPLICATION);
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground= GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = "GenericMenu";
wndclass.lpszClassName= szAppName;
RegisterClass(&wndclass);
}
if (!hPrevInstance)
{
wndclass.style = CS_HREDRAW | CS_VREDRAW | CS_DBLCLKS |
CS_BYTEALIGNCLIENT;
wndclass.lpfnWndProc = ChildWndProc;
wndclass.cbClsExtra = 0;
wndclass.cbWndExtra = 0;
wndclass.hInstance = hInstance;
wndclass.hIcon = LoadIcon (hInstance,MAKEINTRESOURCE(1000));
wndclass.hCursor = LoadCursor(NULL, IDC_ARROW);
wndclass.hbrBackground= GetStockObject(WHITE_BRUSH);
wndclass.lpszMenuName = NULL;
wndclass.lpszClassName= szChildAppName;
RegisterClass(&wndclass);
}
hwnd = CreateWindow (szAppName,
"the hello world program",
WS_OVERLAPPEDWINDOW,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
CW_USEDEFAULT,
NULL,
NULL,
hInstance,
NULL);
ShowWindow (hwnd,nCmdShow);
UpdateWindow(hwnd);
while (GetMessage (&msg, NULL, 0,0))
{
TranslateMessage(&msg);
DispatchMessage(&msg);
}
return (msg.wParam);
}
LRESULT FAR PASCAL WndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
switch (message)
{
case WM_COMMAND:
HandleCommands(hwnd, message, wParam, lParam);
return 0;
case WM_LBUTTONDOWN:
if (!showdump) {
hwndchild = CreateWindow (szChildAppName,
"Hex Dump",
WS_CHILD | WS_CAPTION | WS_SYSMENU | WS_VSCROLL |
WS_VISIBLE | WS_THICKFRAME | WS_CLIPSIBLINGS,
0,0,
300,100,
hwnd,
(HMENU) 1,
hInst,
NULL);
} else {
SendMessage(hwndchild,WM_DUMPCHANGE,0,0l);
}
showdump=1;
return 0;
case WM_CREATE:
/* Open a handle to the SC Manager database. */
Adapter.schSCManager = OpenSCManager(
NULL, /* local machine */
NULL, /* ServicesActive database */
SC_MANAGER_ALL_ACCESS); /* full access rights */
if (Adapter.schSCManager == NULL) {
MessageBox(NULL,TEXT("Could not open SC"),TEXT("Hellwin"),MB_OK);
} else {
Adapter.ServiceHandle=OpenService(Adapter.schSCManager,
TEXT("Packet"),
SERVICE_START);
if (Adapter.ServiceHandle == NULL) {
MessageBox(NULL,TEXT("Could not open service"),TEXT("Hellwin"),MB_OK);
}
StartService(Adapter.ServiceHandle,
0,
NULL
);
}
lstrcpy(Adapter.AdapterName,
"\\\\.\\Packet");
Adapter.BufferSize=1514;
Adapter.hMem=GlobalAlloc(GMEM_MOVEABLE,1514);
Adapter.lpMem=GlobalLock(Adapter.hMem);
Adapter.hMem2=GlobalAlloc(GMEM_MOVEABLE,1514);
Adapter.lpMem2=GlobalLock(Adapter.hMem2);
return 0;
case WM_KEYDOWN:
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
GetClientRect (hwnd,&rect);
EndPaint(hwnd,&ps);
return 0;
case WM_DESTROY:
PostQuitMessage(0);
return 0;
}
return DefWindowProc(hwnd,message, wParam, lParam);
}
LRESULT
HandleCommands(
HWND hWnd,
UINT uMsg,
UINT wParam,
LONG lParam
)
{
ULONG Filter;
ULONG BytesReturned;
BOOLEAN Result;
UINT i;
OVERLAPPED OverLapped;
switch (wParam) {
case IDM_OPEN:
Result=CreateAdapter(&Adapter);
if (Result) {
SetWindowText(hWnd,Adapter.AdapterName);
}
return TRUE;
case IDM_CLOSE:
CloseHandle(Adapter.hFile);
return TRUE;
case IDM_NO_FILTER:
case IDM_DIRECTED:
case IDM_MULTICAST:
case IDM_BROADCAST:
case IDM_ALL_MULTICAST:
case IDM_PROMISCUOUS:
Filter=Filters[wParam-IDM_NO_FILTER];
DeviceIoControl(Adapter.hFile,
(DWORD)IOCTL_PROTOCOL_SET_FILTER,
&Filter,
4,
NULL,
0,
&BytesReturned,
NULL);
return TRUE;
case IDM_RESET:
DeviceIoControl(Adapter.hFile,
(DWORD)IOCTL_PROTOCOL_RESET,
&Filter,
4,
NULL,
0,
&BytesReturned,
NULL);
return TRUE;
case IDM_READ:
OverLapped.Offset=0;
OverLapped.OffsetHigh=0;
OverLapped.hEvent=Adapter.hEvent;
Result=ReadFile(Adapter.hFile,
Adapter.lpMem,
1500,
&BytesReturned,
&OverLapped);
return TRUE;
case IDM_SEND:
OverLapped.Offset=0;
OverLapped.OffsetHigh=0;
OverLapped.hEvent=Adapter.hEvent;
Adapter.lpMem2[0]=(UCHAR)0xff;
Adapter.lpMem2[1]=(UCHAR)0xff;
Adapter.lpMem2[2]=(UCHAR)0xff;
Adapter.lpMem2[3]=(UCHAR)0xff;
Adapter.lpMem2[4]=(UCHAR)0xff;
Adapter.lpMem2[5]=(UCHAR)0xff;
for (i=0;i<5;i++) {
Result=WriteFile(Adapter.hFile,
Adapter.lpMem2,
64,
&BytesReturned,
&OverLapped);
}
return TRUE;
default:
return 0;
}
}
BOOLEAN
CreateAdapter(
IN PADAPTER pAdapter
)
{
pAdapter->hEvent=CreateEvent(NULL,
FALSE,
FALSE,
"Protocol_Event");
if (pAdapter->hEvent == NULL) {
return 0;
}
pAdapter->hFile=CreateFile(pAdapter->AdapterName,
GENERIC_WRITE | GENERIC_READ,
0,
NULL,
CREATE_ALWAYS,
FILE_FLAG_OVERLAPPED,
0
);
if (pAdapter->hFile == INVALID_HANDLE_VALUE) {
CloseHandle(pAdapter->hEvent);
return 0;
}
return TRUE;
}
BOOLEAN
CloseAdapter(
IN PADAPTER pAdapter
)
{
CloseHandle(pAdapter->hFile);
CloseHandle(pAdapter->hEvent);
pAdapter->hFile=NULL;
return TRUE;
}
LRESULT FAR PASCAL ChildWndProc (HWND hwnd, UINT message, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
RECT rect;
UINT i,j;
char szbuff[100],szbuff2[8],szbuff3[17];
UINT limit;
LPSTR lpMem;
static HFONT hOldFont;
static UINT cyclient,cxclient,lines,dumppos,oldpos,paragphs,cychar;
static WORD start;
switch (message)
{
case WM_CREATE:
cychar = HIWORD(GetTextSize(hwnd,hFont));
case WM_DUMPCHANGE:
oldpos=0;
dumppos=0;
wsprintf(szbuff,"Hex Dump--");
SetWindowText(hwnd,szbuff);
limit=Adapter.BufferSize;
paragphs=(short)((limit & 0xffff) >> 4);
SetScrollRange(hwnd,SB_VERT,0,(WORD)paragphs,0);
SetScrollPos(hwnd,SB_VERT,(WORD)dumppos,1);
InvalidateRect(hwnd,NULL,1);
return 0;
case WM_SIZE:
cyclient=HIWORD(lParam);
cxclient=LOWORD(lParam);
lines=cyclient/cychar;
return 0;
case WM_PAINT:
hdc=BeginPaint(hwnd,&ps);
hOldFont=SelectObject(hdc,hFont);
if (1)
{
limit=Adapter.BufferSize;
limit=limit & 0xffff;
lpMem=(LPSTR)Adapter.lpMem;
start=dumppos*cychar;
for (i=start ;((i<limit) && ((i-start)/cychar<lines));i+=16)
{
wsprintf(szbuff,"%08lx ",i);
for (j=0;(j<16 && (j+i<limit));j++)
{
wsprintf(szbuff2,"%02hX ",((WORD)lpMem[i+j] & 0xff));
lstrcat(szbuff,szbuff2);
if (j==3 || j==7 || j==11)
lstrcat(szbuff," ");
wsprintf(&szbuff3[j],"%c",lpMem[i+j]);
if (szbuff3[j]=='\0')
szbuff3[j]='.';
}
szbuff3[j]='\0';
lstrcat(szbuff,szbuff3);
TextOut(hdc,0,i-start,szbuff,strlen(szbuff));
}
}
SelectObject(hdc,hOldFont);
EndPaint(hwnd,&ps);
return 0;
case WM_VSCROLL:
oldpos=dumppos;
switch(wParam)
{
case SB_PAGEDOWN:
dumppos+=lines;
break;
case SB_LINEDOWN:
dumppos+=1;
break;
case SB_THUMBPOSITION:
dumppos=LOWORD(lParam);
break;
case SB_LINEUP:
dumppos-=1;
break;
case SB_PAGEUP:
dumppos-=lines;
break;
default:
return 0;
}
limit=Adapter.BufferSize;
paragphs=(short)((limit & 0xffff) >> 4);
if (dumppos<0)
dumppos=0;
else
if (dumppos>paragphs)
dumppos=paragphs;
if (((oldpos-dumppos==1) || (dumppos-oldpos==1)))
{
rect.left=0;
rect.top=0;
rect.right=cxclient;
rect.bottom=lines*cychar;
ScrollWindow(hwnd,0,cychar*(oldpos-dumppos),&rect,NULL);
UpdateWindow(hwnd);
}
else
InvalidateRect(hwnd,NULL,1);
SetScrollPos(hwnd,SB_VERT,(WORD)dumppos,1);
return 0;
}
return DefWindowProc(hwnd,message, wParam, lParam);
}
HFONT GetFont(void)
{
static LOGFONT logfont;
logfont.lfHeight=16;
logfont.lfCharSet=ANSI_CHARSET;
logfont.lfQuality=PROOF_QUALITY;
logfont.lfPitchAndFamily=FIXED_PITCH | FF_MODERN;
lstrcpy((LPSTR)&logfont.lfFaceName,(LPSTR)"Courier");
return CreateFontIndirect(&logfont);
}
DWORD GetTextSize(HWND hWnd, HFONT hFont)
{
TEXTMETRIC Metrics;
HDC hDC;
HFONT hOldFont;
hDC = GetDC(hWnd);
hOldFont=SelectObject(hDC,hFont);
GetTextMetrics(hDC,&Metrics);
SelectObject(hDC,hOldFont);
ReleaseDC(hWnd,hDC);
return MAKELONG(Metrics.tmAveCharWidth,
Metrics.tmHeight+Metrics.tmExternalLeading);
}
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