os_yar4_server

#include <Windows.h>
#include <windowsx.h>
#include <process.h>
#include <iostream>
#include "resource.h"
using namespace std;
#define BUF_SIZE 1024 //1kb

LPCWSTR szName = L"MyFileMappingObject";
HANDLE hMapFile, hThread;
HANDLE rwEvent, exitEvent;
LPCTSTR pBuf;
const int ButtonCount = 9;

BOOL CALLBACK DlgProc(HWND, UINT, WPARAM, LPARAM);
BOOL CreateMapping();
void InitMapping();

void WINAPIV thread(void*)
{
    //Создаем mapped file
    InitMapping();
    //Определяем путь к клиенту
    WCHAR path[MAX_PATH];
    GetModuleFileName(NULL, path, MAX_PATH);
    WCHAR *lstChr = wcsrchr(path, '\\') + 1;
    wcscpy(lstChr, L"os_laba4yar_client.exe");

    STARTUPINFO si;
    PROCESS_INFORMATION pi;
    ZeroMemory(&si, sizeof(si));
    si.cb = sizeof(si);
    ZeroMemory(&pi, sizeof(pi));
    GetStartupInfo(&si);
    //Запускаем клиент
    CreateProcess(path, NULL, NULL, NULL, FALSE, CREATE_NEW_CONSOLE, NULL, NULL, &si, &pi);
    _endthread();
}

int WINAPI wWinMain(HINSTANCE hInstance,
    HINSTANCE hPrevInstance,
    LPWSTR lpCmdLine,
    int nCmdShow)
{
    //Создаем ивенты и поток
    rwEvent = CreateEvent(
        NULL,
        TRUE,
        FALSE,
        L"ReadWriteEvent"
    );
    exitEvent = CreateEvent(
        NULL,
        TRUE,
        FALSE,
        L"exitEvent"
    );
    hThread = (HANDLE)_beginthread(&thread, 0, NULL);
    //Отображаем окно
    DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_DIALOG_MAIN), 0, (DlgProc), 0);
    return 0;
}

BOOL CALLBACK DlgProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    int butID, status;

    switch (uMsg)
    {
    case WM_INITDIALOG:
        break;
    case WM_COMMAND:
    {
        //Получаем id и status нажатой кнопки
        switch (LOWORD(wParam))
        {
        case IDC_CHECK1:
        {
            butID = 1;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK1)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK2:
        {
            butID = 2;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK2)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK3:
        {
            butID = 3;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK3)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK4:
        {
            butID = 4;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK4)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK5:
        {
            butID = 5;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK5)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK6:
        {
            butID = 6;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK6)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK7:
        {
            butID = 7;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK7)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK8:
        {
            butID = 8;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK8)))
                status = 1;
            else
                status = 0;
            break;
        }
        case IDC_CHECK9:
        {
            butID = 9;
            if (BST_CHECKED == Button_GetCheck(GetDlgItem(hWnd, IDC_CHECK9)))
                status = 1;
            else
                status = 0;
            break;
        }
        default:
            break;
        }
        //Перезаписываем в mapped file инфу о статусе кнопки
        CopyMemory((PVOID)(pBuf + sizeof(int) * butID), &status, sizeof(int));
        //Устанавливаем ивент и немного ждем, сбрасываем. Клиент начнет чтение с mapped file
        SetEvent(rwEvent);
        Sleep(200);
        ResetEvent(rwEvent);
        break;
    }
    case WM_CLOSE:
    {
        //Обрабатываем закрытие окна, закрываем хэндлы
        SetEvent(rwEvent);
        SetEvent(exitEvent);
        Sleep(200);
        CloseHandle(rwEvent);
        CloseHandle(hThread);
        CloseHandle(exitEvent);
        CloseHandle(hMapFile);
        EndDialog(hWnd, 0);
        return FALSE;
    }
    }
    return FALSE;
}

BOOL CreateMapping()
{
    //Создаем mapped file
    hMapFile = CreateFileMapping(
        INVALID_HANDLE_VALUE,
        NULL,
        PAGE_READWRITE,
        0,
        BUF_SIZE,
        szName);

    if (hMapFile == NULL)
    {
        cerr << "Could not create file mapping object " << GetLastError() << endl;
        return FALSE;
    }
    //Открываем
    pBuf = (LPTSTR)MapViewOfFile(hMapFile,
        FILE_MAP_ALL_ACCESS,
        0,
        0,
        BUF_SIZE);

    if (pBuf == NULL)
    {
        cerr << "Could not map view of file " << GetLastError() << endl;
        CloseHandle(hMapFile);
        return FALSE;
    }
    return TRUE;
}

void InitMapping()
{
    //Создаем mapped file
    CreateMapping();
    //Заполняем его инфой по умолчанию
    //Первый int - кол-во кнопок, остальные - статус каждой из них
    CopyMemory((PVOID)pBuf, &ButtonCount, sizeof(int));
    for (int i = 1; i <= ButtonCount; i++)
    {
        CopyMemory((PVOID)(pBuf + sizeof(int) * i), new int(0), sizeof(int));
    }
}