configd.tproj/notify_server.c

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25  * Modification History
  26  *
  27  * March 24, 2000               Allan Nathanson <ajn@apple.com>
  28  * - initial revision
  29  */
  30
  31 #include "configd.h"
  32 #include "session.h"
  33 #include "notify.h"
  34
  35 __private_extern__
  36 boolean_t
  37 notify_server(mach_msg_header_t *request, mach_msg_header_t *reply)
  38 {
  39         mach_no_senders_notification_t  *Request = (mach_no_senders_notification_t *)request;
  40         mig_reply_error_t               *Reply   = (mig_reply_error_t *)reply;
  41
  42         reply->msgh_bits        = MACH_MSGH_BITS(MACH_MSGH_BITS_REMOTE(request->msgh_bits), 0);
  43         reply->msgh_remote_port = request->msgh_remote_port;
  44         reply->msgh_size        = sizeof(mig_reply_error_t);    /* Minimal size: update as needed */
  45         reply->msgh_local_port  = MACH_PORT_NULL;
  46         reply->msgh_id          = request->msgh_id + 100;
  47
  48         if ((Request->not_header.msgh_id > MACH_NOTIFY_LAST) ||
  49             (Request->not_header.msgh_id < MACH_NOTIFY_FIRST)) {
  50                 Reply->NDR     = NDR_record;
  51                 Reply->RetCode = MIG_BAD_ID;
  52                 return FALSE;   /* if this is not a notification message */
  53         }
  54
  55         switch (Request->not_header.msgh_id) {
  56                 case MACH_NOTIFY_NO_SENDERS :
  57                         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("No more senders for port %d, closing."),
  58                               Request->not_header.msgh_local_port);
  59                         cleanupSession(Request->not_header.msgh_local_port);
  60
  61                         (void) mach_port_mod_refs(mach_task_self(),
  62                                                  Request->not_header.msgh_local_port,
  63                                                  MACH_PORT_RIGHT_RECEIVE, -1);
  64
  65                         Reply->Head.msgh_bits           = 0;
  66                         Reply->Head.msgh_remote_port    = MACH_PORT_NULL;
  67                         Reply->RetCode                  = KERN_SUCCESS;
  68                         return TRUE;
  69                 default :
  70                         break;
  71         }
  72
  73         SCLog(_configd_verbose, LOG_DEBUG, CFSTR("HELP!, Received notification: port=%d, msgh_id=%d"),
  74                Request->not_header.msgh_local_port,
  75                Request->not_header.msgh_id);
  76
  77         Reply->NDR     = NDR_record;
  78         Reply->RetCode = MIG_BAD_ID;
  79         return FALSE;   /* if this is not a notification we are handling */
  80 }