SystemConfiguration.fproj/SCDNotify.c

   1 /*
   2  * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25
  26 /*
  27  * Modification History
  28  *
  29  * May 19, 2001         Allan Nathanson <ajn@apple.com>
  30  * - initial revision
  31  */
  32
  33 #include <mach/mach.h>
  34 #include <mach/mach_error.h>
  35
  36 #include <SystemConfiguration/SystemConfiguration.h>
  37 #include <SystemConfiguration/SCPrivate.h>
  38 #include "SCDynamicStoreInternal.h"
  39 #include "config.h"             /* MiG generated file */
  40
  41 Boolean
  42 SCDynamicStoreNotifyValue(SCDynamicStoreRef     store,
  43                           CFStringRef           key)
  44 {
  45         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  46         kern_return_t                   status;
  47         CFDataRef                       utfKey;         /* serialized key */
  48         xmlData_t                       myKeyRef;
  49         CFIndex                         myKeyLen;
  50         int                             sc_status;
  51
  52         if (_sc_verbose) {
  53                 SCLog(TRUE, LOG_DEBUG, CFSTR("SCDynamicStoreNotifyValue:"));
  54                 SCLog(TRUE, LOG_DEBUG, CFSTR("  key = %@"), key);
  55         }
  56
  57         if (!store) {
  58                 /* sorry, you must provide a session */
  59                 _SCErrorSet(kSCStatusNoStoreSession);
  60                 return FALSE;
  61         }
  62
  63         if (storePrivate->server == MACH_PORT_NULL) {
  64                 /* sorry, you must have an open session to play */
  65                 _SCErrorSet(kSCStatusNoStoreServer);
  66                 return FALSE;
  67         }
  68
  69         /* serialize the key */
  70         if (!_SCSerializeString(key, &utfKey, (void **)&myKeyRef, &myKeyLen)) {
  71                 _SCErrorSet(kSCStatusFailed);
  72                 return FALSE;
  73         }
  74
  75         /* send the key to the server */
  76         status = confignotify(storePrivate->server,
  77                               myKeyRef,
  78                               myKeyLen,
  79                               (int *)&sc_status);
  80
  81         /* clean up */
  82         CFRelease(utfKey);
  83
  84         if (status != KERN_SUCCESS) {
  85                 if (status != MACH_SEND_INVALID_DEST)
  86                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("confignotify(): %s"), mach_error_string(status));
  87                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
  88                 storePrivate->server = MACH_PORT_NULL;
  89                 _SCErrorSet(status);
  90                 return FALSE;
  91         }
  92
  93         if (sc_status != kSCStatusOK) {
  94                 _SCErrorSet(sc_status);
  95                 return FALSE;
  96         }
  97
  98         return TRUE;
  99 }