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142 lines
2.8 KiB
142 lines
2.8 KiB
/**********************************************************************/
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/** Microsoft Windows NT **/
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/** Copyright(c) Microsoft Corp., 1997 **/
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/**********************************************************************/
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/*
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main.cxx
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Library initialization for rpcref.dll --
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This Dll adds a ref count around the RPC runtime call -
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RpcServerListen(). This enables multiple services in
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the inetinfo process to do a RpcServerListen() without
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stomping over each other.
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This Dll will maintain a ref count on calls to RpcServerListen()
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and call RpcMgmtStopServerListening() when the ref count goes to 0.
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FILE HISTORY:
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RajeevR 18-Aug-1997 Created.
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*/
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#include <windows.h>
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#include <stdio.h>
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extern "C" {
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#include <rpc.h>
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};
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#include <dbgutil.h>
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DWORD cRefs = 0;
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CRITICAL_SECTION csCritRef;
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extern "C"
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BOOL WINAPI DLLEntry( HINSTANCE hDll, DWORD dwReason, LPVOID lpvReserved )
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{
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BOOL fReturn = TRUE;
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switch ( dwReason )
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{
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case DLL_PROCESS_ATTACH:
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cRefs = 0;
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INITIALIZE_CRITICAL_SECTION( &csCritRef );
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break;
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case DLL_PROCESS_DETACH:
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DeleteCriticalSection( &csCritRef );
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break;
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case DLL_THREAD_ATTACH:
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case DLL_THREAD_DETACH:
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default:
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break ;
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}
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return ( fReturn);
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} // main()
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DWORD
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InetinfoStartRpcServerListen(
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VOID
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)
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/*++
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Routine Description:
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This function starts RpcServerListen for this process. The first
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service that is calling this function will actually start the
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RpcServerListen, subsequent calls just bump a ref count
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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RPC_STATUS Status = RPC_S_OK;
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EnterCriticalSection( &csCritRef );
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if( cRefs++ == 0 ) {
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Status = RpcServerListen(
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1, // minimum num threads.
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RPC_C_LISTEN_MAX_CALLS_DEFAULT, // max concurrent calls.
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TRUE ); // don't wait
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}
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LeaveCriticalSection( &csCritRef );
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return( Status );
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}
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DWORD
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InetinfoStopRpcServerListen(
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VOID
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)
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/*++
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Routine Description:
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Bump ref count down. Last caller will do actual cleanup.
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Arguments:
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None.
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Return Value:
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None.
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--*/
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{
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RPC_STATUS Status = RPC_S_OK;
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EnterCriticalSection( &csCritRef );
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if( --cRefs == 0 ) {
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Status = RpcMgmtStopServerListening(0);
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//
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// wait for all RPC threads to go away.
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//
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if( Status == RPC_S_OK) {
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Status = RpcMgmtWaitServerListen();
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}
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}
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LeaveCriticalSection( &csCritRef );
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return( Status );
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}
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