Re: Migrating ATL Service to VS2005

From:
"Brian Muth" <bmuth@mvps.org>
Newsgroups:
microsoft.public.vc.atl
Date:
Fri, 7 Jul 2006 08:57:31 -0700
Message-ID:
<uamBP4doGHA.4040@TK2MSFTNGP05.phx.gbl>
class CTestServiceModule : public CAtlServiceModuleT< CTestServiceModule,
IDS_SERVICENAME >
{
public :
    CTestServiceModule ()
    {
        m_status.dwControlsAccepted = SERVICE_ACCEPT_STOP |
SERVICE_ACCEPT_SESSIONCHANGE;
    }
    void OnShutdown() throw()
    {
        //shutdown code goes here
    }

<sergio.ortiz.giner@gmail.com> wrote in message
news:1152272826.783263.78000@k73g2000cwa.googlegroups.com...

Hi all,

I am trying to migrate an existing ATL service to VS2005.
This module uses HandlerEx to receive SERVICE_CONTROL_SESSIONCHANGE and
analyses lpEventData provided.

After arranging the module to make use of CAtlServiceModuleT, I'm quite
surprised to see that this new base class does not support HandlerEx (
I've confirmed it by looking at atlbase.h...see lines below)
[Extract from atlbase.h - line aprox.3708]
void ServiceMain(DWORD dwArgc, LPTSTR* lpszArgv) throw()
{
               lpszArgv;
dwArgc;
// Register the control request handler
m_status.dwCurrentState = SERVICE_START_PENDING;
m_hServiceStatus = RegisterServiceCtrlHandler(m_szServiceName,
_Handler);
....

Is there any official/recommended way of taclking this issue or should
I create my own base class?


Don't create your own base class. Simply override the constructor, as in:

class CTestServiceModule : public CAtlServiceModuleT< CTestServiceModule,
IDS_SERVICENAME >
{
public :
    CTestServiceModule ()
    {
        m_status.dwControlsAccepted = SERVICE_ACCEPT_STOP |
SERVICE_ACCEPT_SESSIONCHANGE;
    }
    void OnUnknownRequest (DWORD dwOpcode) throw()
    {
        if (dwOpcode == SERVICE_CONTROL_SESSIONCHANGE)
        {
            ... do this
        }
        else
        {
            CAtlServiceModuleT<CTestServiceModule,
IDS_SERVICENAME>::OnUnknownRequest (dwOpcode);
        }
    }

(note: I haven't debugged, but this should be very close)

HTH

Brian

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