/*
 * COMInitializer.h 
 * Copyright (c) 2011 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. 
 */



#pragma once

#define _WIN32_DCOM

#include <sol\Object.h>

namespace SOL 
{
class COMInitializer :public Object {

public:
    /**
     * Constructor
     */
    COMInitializer() { 
        HRESULT hr = S_OK;
        if (FAILED(hr = CoInitialize(NULL))) {
            throw hr; 
        }
    }

public:
    /**
     * Constructor
     *
     * @param dwCoInit    COM initializer parameter
     * // Example: dwCoInit = COINIT_MULTITHREADED
     */
    COMInitializer(DWORD dwCoInit) { 
        HRESULT hr = S_OK;
        if (FAILED(hr = CoInitializeEx(NULL, dwCoInit))) {
            throw hr; 
        }
    }

public:
    /**
     * Destructor
     */
    ~COMInitializer() {
        CoUninitialize();
    }

public:
    /**
     * Set Default COM security levels with default authentication and Impersonation.
     */
    void setDefaultSecurityLevels() {
        HRESULT hr = S_OK;
        if (FAILED (hr=  CoInitializeSecurity(
            NULL, 
            -1,                          // COM negotiates service
            NULL,                        // Authentication services
            NULL,                        // Reserved
            RPC_C_AUTHN_LEVEL_DEFAULT,   // Default authentication 
            RPC_C_IMP_LEVEL_IMPERSONATE, // Default Impersonation  
            NULL,                        // Authentication info
            EOAC_NONE,                   // Additional capabilities 
            NULL                         // Reserved
            ))) {
            throw hr; 
        }
    }
/*
 */
};


}