NP Server Test

// SONPServer.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <Windows.h>
#include <cassert>

#define NAMED_PIPE L"\\\\.\\pipe\\stackoverflow"

#define READ_BUFFER_SIZE 4096
#define WRITE_BUFFER_SIZE 4096

int main()
{
    HANDLE pipe_handle = CreateNamedPipeW(
        NAMED_PIPE,
        PIPE_ACCESS_DUPLEX,
        PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
        PIPE_UNLIMITED_INSTANCES,
        WRITE_BUFFER_SIZE,
        READ_BUFFER_SIZE,
        NMPWAIT_USE_DEFAULT_WAIT,
        NULL);

    BOOL connected = ConnectNamedPipe(pipe_handle, NULL);

    assert(connected);

    const unsigned buffer_size = 80 * 1024;
    char * buf = new char[buffer_size];

    assert(buf);

    memset(buf, 'a', buffer_size);

    DWORD bytes_written;

    //write 80 KB
    BOOL successful_write = WriteFile(pipe_handle, buf, buffer_size, &bytes_written, NULL);

    assert(successful_write);
    assert(bytes_written == buffer_size); //80 KB were written with one WriteFile call

    //to force all the data over the pipe before we close the handle
    FlushFileBuffers(pipe_handle);

    DisconnectNamedPipe(pipe_handle);
    CloseHandle(pipe_handle);

    delete[] buf;

    return 0;
}