SystemConfiguration.fproj/SCDNotify.c

   1 /*
   2  * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 /*
  24  * Modification History
  25  *
  26  * May 19, 2001         Allan Nathanson <ajn@apple.com>
  27  * - initial revision
  28  */
  29
  30 #include <mach/mach.h>
  31 #include <mach/mach_error.h>
  32
  33 #include <SystemConfiguration/SystemConfiguration.h>
  34 #include <SystemConfiguration/SCPrivate.h>
  35 #include "SCDynamicStoreInternal.h"
  36 #include "config.h"             /* MiG generated file */
  37
  38 Boolean
  39 SCDynamicStoreNotifyValue(SCDynamicStoreRef     store,
  40                           CFStringRef           key)
  41 {
  42         SCDynamicStorePrivateRef        storePrivate = (SCDynamicStorePrivateRef)store;
  43         kern_return_t                   status;
  44         CFDataRef                       xmlKey;         /* serialized key */
  45         xmlData_t                       myKeyRef;
  46         CFIndex                         myKeyLen;
  47         int                             sc_status;
  48
  49         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("SCDynamicStoreNotifyValue:"));
  50         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("  key = %@"), key);
  51
  52         if (!store) {
  53                 /* sorry, you must provide a session */
  54                 _SCErrorSet(kSCStatusNoStoreSession);
  55                 return FALSE;
  56         }
  57
  58         if (storePrivate->server == MACH_PORT_NULL) {
  59                 /* sorry, you must have an open session to play */
  60                 _SCErrorSet(kSCStatusNoStoreServer);
  61                 return FALSE;
  62         }
  63
  64         /* serialize the key */
  65         if (!_SCSerialize(key, &xmlKey, (void **)&myKeyRef, &myKeyLen)) {
  66                 _SCErrorSet(kSCStatusFailed);
  67                 return FALSE;
  68         }
  69
  70         /* send the key to the server */
  71         status = confignotify(storePrivate->server,
  72                               myKeyRef,
  73                               myKeyLen,
  74                               (int *)&sc_status);
  75
  76         /* clean up */
  77         CFRelease(xmlKey);
  78
  79         if (status != KERN_SUCCESS) {
  80                 if (status != MACH_SEND_INVALID_DEST)
  81                         SCLog(_sc_verbose, LOG_DEBUG, CFSTR("confignotify(): %s"), mach_error_string(status));
  82                 (void) mach_port_destroy(mach_task_self(), storePrivate->server);
  83                 storePrivate->server = MACH_PORT_NULL;
  84                 _SCErrorSet(status);
  85                 return FALSE;
  86         }
  87
  88         if (sc_status != kSCStatusOK) {
  89                 _SCErrorSet(sc_status);
  90                 return FALSE;
  91         }
  92
  93         return TRUE;
  94 }