libsecurity_mds/lib/MDSModule.h

   1 /*
   2  * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved.
   3  *
   4  * The contents of this file constitute Original Code as defined in and are
   5  * subject to the Apple Public Source License Version 1.2 (the 'License').
   6  * You may not use this file except in compliance with the License. Please obtain
   7  * a copy of the License at http://www.apple.com/publicsource and read it before
   8  * using this file.
   9  *
  10  * This Original Code and all software distributed under the License are
  11  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
  12  * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
  13  * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
  14  * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
  15  * specific language governing rights and limitations under the License.
  16  */
  17
  18
  19 #ifndef _MDSMODULE_H_
  20 #define _MDSMODULE_H_  1
  21
  22 #include <security_filedb/AppleDatabase.h>
  23 #include <security_utilities/globalizer.h>
  24 #include <security_utilities/timeflow.h>
  25 #include <security_utilities/threading.h>
  26 #include <sys/param.h>
  27
  28 namespace Security
  29 {
  30
  31 class MDSModule
  32 {
  33 public:
  34     static MDSModule &get ();
  35
  36     MDSModule ();
  37     ~MDSModule ();
  38
  39     DatabaseManager             &databaseManager () { return mDatabaseManager; }
  40         void                                    lastScanIsNow();
  41         double                                  timeSinceLastScan();
  42         void                                    getDbPath(char *path);
  43         void                                    setDbPath(const char *path);
  44
  45         bool                                    serverMode() const      { return mServerMode; }
  46         void                                    setServerMode();
  47
  48 private:
  49     static ModuleNexus<MDSModule> mModuleNexus;
  50
  51     AppleDatabaseManager        mDatabaseManager;
  52
  53         /*
  54          * Manipulated by MDSSession objects when they hold the system-wide per-user
  55          * MDS file lock. mDbPath readable any time; it's protected process-wide
  56          * by mDbPathLock.
  57          */
  58         char                                    mDbPath[MAXPATHLEN + 1];
  59         Time::Absolute                  mLastScanTime;
  60         Mutex                                   mDbPathLock;
  61         bool                                    mServerMode;
  62 };
  63
  64 } // end namespace Security
  65
  66 #endif // _MDSMODULE_H_