/*
 * FirewallWatcher.cpp 
 * Copyright (c) 2009 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */


// SOL++2000
// 2008/08/07
//

#include <sol\WSAInitializer.h>

#include <sol\net\WindowsFirewall.h>
#include <sol\StringBuffer.h>

//..\cc.bat IPAddressWatcher.cpp

#include <process.h>

// Thread procedure for this Firewall Watcher program

unsigned __stdcall watcherThread(void *);

/*
 * Simple application to watch the setting (enabled ord disabled) of WindowsFirewall
 * by using a thread. 
 * You can easily change this to Windows Application by defining WinMain 
 * instead of main.
 */

//int APIENTRY WinMain(HINSTANCE progIns, HINSTANCE prevIns, 
//           LPSTR cmdLine, int cmdShow)
int _tmain(int argc, TCHAR** argv)

{
    WSAInitializer initializer;

    try {
        DWORD threadId=0;
        HANDLE hThread = (HANDLE)_beginthreadex(NULL, 0, watcherThread, NULL, 0, (unsigned int*)&threadId);

         if (hThread) {
            WaitForSingleObject(hThread, INFINITE);
                CloseHandle(hThread);
            }

    } catch (int err) {
        printf("Exception: %d\n", err);
    } catch (...) {

    }
    return 0;

}

//
// Show current status of WindowsFirewall
//
int showStatus(BOOL status)
{
    const TCHAR* report = _T("WindowFirewall is disabled.");
    const TCHAR* confirm = _T("Do you continue to monitor the change of status of Firewall?\r\n");
    
    TCHAR message[1024];

    if (status == TRUE) {
        report = _T("WindowsFirewall is enabled.");
        
    } 

    _stprintf(message, _T("%s\r\n\r\n%s"), report, confirm);

    //Confirm to continue monitoring.
    return MessageBox(NULL, message, _T("FirewallWatcher"), MB_ICONINFORMATION|MB_YESNO);
}


//
// Thread procedure to get notification of IPAddress changes of NeworkInterface. 
//
unsigned __stdcall watcherThread(void *lpx)
{
    int rc = 0;
    BOOL status = FALSE;

    WindowsFirewall firewall;
        
    firewall.isFirewallEnabled(status);

    rc = showStatus(status);
    if (rc ==IDNO) {
        return rc;
    }
    while(true) {
        Sleep(2000);
        BOOL nstatus = FALSE;
        if (SUCCEEDED(firewall.isFirewallEnabled(nstatus))) {
            if (status != nstatus) {
                status = nstatus;
                rc = showStatus(status);
                if (rc == IDNO) {
                    break;
                }
            }
        }
    }
    return rc;
}