Leaked source code of windows server 2003
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/*++
Copyright (c) 1990 Microsoft Corporation
Module Name:
tnpcli.c
Abstract:
This program makes simple client calls to tnpsrv.c
Author:
Colin Watson (ColinW) 19-March-1991
Revision History:
--*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <windows.h>
CHAR* WriteData1 = "Hello Mars\n";
CHAR* WriteData2 = "Hello Jupiter\n";
int
main(
int argc,
char *argv[],
char *envp[]
)
{
HANDLE C1;
DWORD Size;
DWORD Dummy;
DWORD Count;
CHAR Data[1024];
OVERLAPPED Overlapped;
printf("Create client...\n");
C1 = CreateFile("\\\\.\\Pipe\\cw\\testpipe",
GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, // Security Attributes
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL
);
for ( Count = 1; Count < 10; Count++ ) {
printf("Client Writing...\n");
if ( FALSE == WriteFile(C1, WriteData1, strlen(WriteData1)+1, &Dummy, NULL) ) {
printf("Client WriteFile returned Error %lx\n", GetLastError() );
}
while (1) {
printf("Client now Peeking...\n");
if ( FALSE == PeekNamedPipe(C1,Data, sizeof(Data), &Size, NULL, NULL) ) {
printf("Client PeekNamedPipe returned Error %lx\n", GetLastError() );
break;
}
if ( Size ) {
printf("Client PeekNamedPipe Done %lx: %s\n", Size, Data);
break;
}
else {
printf("Client PeekNamedPipe Done, no data yet, sleep 1 sec\n");
Sleep(1000);
}
}
printf("Client now Reading...\n");
if ( FALSE == ReadFile(C1,Data, sizeof(Data), &Size, NULL) ) {
printf("Client ReadFile returned Error %lx\n", GetLastError() );
}
printf("Client Reading Done %lx: %s\n", Size, Data);
}
{
DWORD Flags;
DWORD OutBufferSize;
DWORD InBufferSize;
DWORD MaxInstances;
printf("Client call GetNamedPipeInfo....\n");
if ( FALSE == GetNamedPipeInfo(C1, &Flags, &OutBufferSize, &InBufferSize, &MaxInstances) ){
printf("Client GetNamedPipeInfo returned Error %lx\n", GetLastError() );
}
else {
printf("Flags %lx, OutBufferSize %lx, InBufferSize %lx, MaxInstances %lx\n",
Flags, OutBufferSize, InBufferSize, MaxInstances);
}
}
{
DWORD State;
DWORD CurInstances;
printf("Client call GetNamedPipeHandleState....\n");
if ( FALSE == GetNamedPipeHandleState(C1, &State, &CurInstances, NULL, NULL, NULL, 0) ){
printf("Client GetNamedPipeHandleState returned Error %lx\n", GetLastError() );
}
else {
printf("State %lx, CurInstances %lx\n", State, CurInstances );
}
}
printf("Client attempting 10 second WaitNamedPipe- should timeout...\n");
if ( FALSE == WaitNamedPipe("\\\\.\\Pipe\\cw\\testpipe", 10000, NULL) ) {
printf("Client WaitNamedPipe returned Error %lx\n", GetLastError() );
}
printf("WaitNamedPipe complete\n");
printf("Client attempting 10 second WaitNamedPipe- should timeout...\n");
Overlapped.hEvent = CreateEvent(NULL,TRUE,TRUE);
if ( FALSE == WaitNamedPipe("\\\\.\\Pipe\\cw\\testpipe", 10000, &Overlapped) ) {
printf("Client WaitNamedPipe returned Error %lx\n", GetLastError() );
if ( GetLastError() == ERROR_IO_PENDING ) {
printf("Server got ERROR_IO_PENDING ok,Waiting for pipe\n");
assert( FALSE == GetOverlappedResult(NULL , &Overlapped, &Dummy, TRUE ));
printf("Client WaitNamedPipe returned Error Ok %lx\n", GetLastError() );
}
}
printf("WaitNamedPipe complete\nClient closing...\n");
CloseHandle(C1);
printf("Client closed\n");
printf("Client attempting 10 second WaitNamedPipe- should work...\n");
if ( FALSE == WaitNamedPipe("\\\\.\\Pipe\\cw\\testpipe", 10000, NULL) ) {
printf("Client WaitNamedPipe returned Error %lx\n", GetLastError() );
}
printf("WaitNamedPipeComplete\n");
for ( Count = 1; Count < 5; Count++ ) {
printf("Client CallNamedPipe...\n");
if ( FALSE == CallNamedPipe(
"\\\\.\\Pipe\\cw\\testpipe",
WriteData2,
strlen(WriteData2)+1,
Data,
sizeof(Data),
&Size,
10000 // Ten second timeout
) ) {
printf("CallNamedPipe returned Error %lx\n", GetLastError() );
}
printf("Client CallNamedPipe Done %lx: %s\n", Size, Data);
}
printf("CallNamedPipe complete\n");
}