OSX/libsecurity_utilities/lib/cfmach++.h

   1 /*
   2  * Copyright (c) 2004,2011,2014 Apple 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 //
  26 // cfmach++ - a marriage of CoreFoundation with Mach/C++
  27 //
  28 #ifndef _H_CFMACHPP
  29 #define _H_CFMACHPP
  30
  31 #include <security_utilities/mach++.h>
  32 #include <security_utilities/cfutilities.h>
  33 #include <CoreFoundation/CFMachPort.h>
  34 #include <CoreFoundation/CFRunLoop.h>
  35
  36
  37 namespace Security {
  38 namespace MachPlusPlus {
  39
  40
  41 //
  42 // A self-receiving MachPlusPlus::Message.
  43 // Data is delivered through the standard CFRunLoop of the current thread.
  44 // Note that CFAutoPort does NOT own the Port; you must release it yourself
  45 // if you're done with it.
  46 //
  47 class CFAutoPort : public Port {
  48 public:
  49         CFAutoPort();   // lazily allocates port later
  50         CFAutoPort(mach_port_t port); // use this port (must have receive right)
  51         virtual ~CFAutoPort();
  52
  53         void enable();
  54         void disable();
  55
  56         virtual void receive(const Message &msg) = 0;
  57
  58 private:
  59         CFRef<CFMachPortRef> mPort;
  60         CFRef<CFRunLoopSourceRef> mSource;
  61         bool mEnabled;
  62
  63         static void cfCallback(CFMachPortRef cfPort, void *msg, CFIndex size, void *context);
  64 };
  65
  66
  67
  68 } // end namespace MachPlusPlus
  69 } // end namespace Security
  70
  71 #endif //_H_MACHPP