posix/server/port/utils.c

   1 /* $Id: utils.c,v 1.4 2003/12/21 20:11:46 ea Exp $
   2  *
   3  * PROJECT    : ReactOS / POSIX+ Environment Subsystem Server
   4  * FILE       : reactos/subsys/psx/server/port/utils.c
   5  * DESCRIPTION: LPC port utilities.
   6  * DATE       : 2002-04-07
   7  * AUTHOR     : Emanuele Aliberti <eal@users.sf.net>
   8  *
   9  * --------------------------------------------------------------------
  10  *
  11  * This software is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU General Public License as
  13  * published by the Free Software Foundation; either version 2 of the
  14  * License, or (at your option) any later version.
  15  *
  16  * This software is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19  * General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this software; see the file COPYING. If not, write
  23  * to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
  24  * MA 02139, USA.
  25  *
  26  * --------------------------------------------------------------------
  27  */
  28 #include <psxss.h>
  29 #include "utils.h"
  30
  31 /**********************************************************************
  32  *      PsxCheckConnectionRequest/2
  33  *
  34  * DESCRIPTION
  35  *      Check if we can accept the connection request sent to
  36  *      an LPC port. Protocol version and ConnectionType MUST match.
  37  */
  38 NTSTATUS STDCALL
  39 PsxCheckConnectionRequest (
  40     IN OUT PPSX_CONNECT_PORT_DATA  pConnectData,
  41     IN     PSX_CONNECTION_TYPE     ConnectionType
  42     )
  43 {
  44     /* Check if the caller is ConnectionType */
  45     if (ConnectionType != pConnectData->ConnectionType)
  46     {
  47         debug_print(
  48             L"PSXSS: %s: ConnectionType=%d, expected %d",
  49             TEXT(__FUNCTION__),
  50             pConnectData->ConnectionType,
  51             ConnectionType
  52             );
  53         return STATUS_UNSUCCESSFUL;
  54     }
  55     /* Check if the LPC protocol version matches */
  56     if (PSX_LPC_PROTOCOL_VERSION != pConnectData->Version)
  57     {
  58         debug_print(
  59             L"PSXSS: %s: Version=%d, expected %d",
  60             TEXT(__FUNCTION__),
  61             pConnectData->Version,
  62             PSX_LPC_PROTOCOL_VERSION
  63             );
  64         pConnectData->Version = PSX_LPC_PROTOCOL_VERSION;
  65         return STATUS_UNSUCCESSFUL;
  66     }
  67     return STATUS_SUCCESS;
  68 }
  69 /* EOF */