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88 lines
2.0 KiB
88 lines
2.0 KiB
/*++
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Copyright (c) 1990 Microsoft Corporation
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Module Name:
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tnpsrv.c
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Abstract:
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This program creates a single instance of the pipe \cw\testpipe,
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awaits for a connection. While a client wants to talk it will echo
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data back to the client. When the client closes the pipe tnpsrv will
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wait for another client.
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Author:
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Colin Watson (ColinW) 19-March-1991
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Revision History:
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--*/
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#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <windows.h>
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int
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main(
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int argc,
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char *argv[],
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char *envp[]
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)
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{
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HANDLE S1;
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DWORD Size;
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DWORD Dummy;
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CHAR Data[1024];
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S1 = CreateNamedPipe("\\\\.\\Pipe\\cw\\testpipe",
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PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
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PIPE_WAIT | PIPE_READMODE_MESSAGE| PIPE_TYPE_MESSAGE,
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1, // One instance only
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sizeof(Data),
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sizeof(Data),
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0,
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NULL);
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assert(S1 != INVALID_HANDLE_VALUE);
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while (1) {
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printf("Waiting for connection\n");
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if ( FALSE == ConnectNamedPipe( S1, NULL )) {
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printf("Server ReadFile returned Error %lx\n", GetLastError() );
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break;
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}
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while (1) {
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printf("Server now Reading\n");
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if ( FALSE == ReadFile(S1,Data, sizeof(Data), &Size, NULL) ) {
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printf("Server ReadFile returned Error %lx\n", GetLastError() );
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break;
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}
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printf("Server Reading Done %s\n",Data);
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printf("Server Writing\n");
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if ( FALSE == WriteFile(S1, Data, Size, &Dummy, NULL) ) {
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printf("Server WriteFile returned Error %lx\n", GetLastError() );
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break;
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}
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printf("Server Writing Done\n");
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}
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if ( FALSE == DisconnectNamedPipe( S1 ) ) {
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printf("Server WriteFile returned Error %lx\n", GetLastError() );
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break;
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}
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}
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CloseHandle(S1);
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}
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