cpp/src/Ice/SliceChecksums.cpp

   1 // **********************************************************************
   2 //
   3 // Copyright (c) 2003-2011 ZeroC, Inc. All rights reserved.
   4 //
   5 // This copy of Ice is licensed to you under the terms described in the
   6 // ICE_LICENSE file included in this distribution.
   7 //
   8 // **********************************************************************
   9
  10 #include <Ice/SliceChecksums.h>
  11 #include <IceUtil/Mutex.h>
  12 #include <IceUtil/MutexPtrLock.h>
  13
  14 using namespace std;
  15 using namespace Ice;
  16
  17 namespace
  18 {
  19
  20 SliceChecksumDict* _sliceChecksums = 0;
  21
  22 IceUtil::Mutex* _mutex = 0;
  23
  24 class Init
  25 {
  26 public:
  27
  28     Init()
  29     {
  30         _mutex = new IceUtil::Mutex;
  31     }
  32
  33     ~Init()
  34     {
  35         delete _mutex;
  36         _mutex = 0;
  37     }
  38 };
  39
  40 Init init;
  41
  42 class SliceChecksumDictDestroyer
  43 {
  44 public:
  45
  46     ~SliceChecksumDictDestroyer()
  47     {
  48         delete _sliceChecksums;
  49         _sliceChecksums = 0;
  50     }
  51 };
  52
  53 SliceChecksumDictDestroyer destroyer;
  54
  55 }
  56
  57 SliceChecksumDict
  58 Ice::sliceChecksums()
  59 {
  60     IceUtilInternal::MutexPtrLock<IceUtil::Mutex> lock(_mutex);
  61     if(_sliceChecksums == 0)
  62     {
  63         _sliceChecksums = new SliceChecksumDict();
  64     }
  65     return *_sliceChecksums;
  66 }
  67
  68 IceInternal::SliceChecksumInit::SliceChecksumInit(const char* checksums[])
  69 {
  70     IceUtilInternal::MutexPtrLock<IceUtil::Mutex> lock(_mutex);
  71     if(_sliceChecksums == 0)
  72     {
  73         _sliceChecksums = new SliceChecksumDict();
  74     }
  75
  76     for(int i = 0; checksums[i] != 0; i += 2)
  77     {
  78         _sliceChecksums->insert(SliceChecksumDict::value_type(checksums[i], checksums[i + 1]));
  79     }
  80 }