src/foam/db/dlLibraryTable/dlLibraryTable.C

   1 /*---------------------------------------------------------------------------*\
   2   =========                 |
   3   \\      /  F ield         | foam-extend: Open Source CFD
   4    \\    /   O peration     | Version:     3.2
   5     \\  /    A nd           | Web:         http://www.foam-extend.org
   6      \\/     M anipulation  | For copyright notice see file Copyright
   7 -------------------------------------------------------------------------------
   8 License
   9     This file is part of foam-extend.
  10
  11     foam-extend is free software: you can redistribute it and/or modify it
  12     under the terms of the GNU General Public License as published by the
  13     Free Software Foundation, either version 3 of the License, or (at your
  14     option) any later version.
  15
  16     foam-extend is distributed in the hope that it will be useful, but
  17     WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  19     General Public License for more details.
  20
  21     You should have received a copy of the GNU General Public License
  22     along with foam-extend.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 \*---------------------------------------------------------------------------*/
  25
  26 #include "dlLibraryTable.H"
  27
  28 #include <dlfcn.h>
  29
  30 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
  31
  32 Foam::dlLibraryTable Foam::dlLibraryTable::loadedLibraries;
  33
  34
  35 // * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
  36
  37 Foam::dlLibraryTable::dlLibraryTable()
  38 :
  39     HashTable<fileName, void*, Hash<void*> >()
  40 {}
  41
  42
  43 Foam::dlLibraryTable::readDlLibrary::readDlLibrary
  44 (
  45     const dictionary& dict,
  46     const word& libsEntry
  47 )
  48 {
  49     open(dict, libsEntry);
  50 }
  51
  52
  53 // * * * * * * * * * * * * * * * * Destructor  * * * * * * * * * * * * * * * //
  54
  55 Foam::dlLibraryTable::~dlLibraryTable()
  56 {
  57     forAllIter(dlLibraryTable, *this, iter)
  58     {
  59         dlclose(iter.key());
  60     }
  61 }
  62
  63
  64 // * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
  65
  66 bool Foam::dlLibraryTable::open(const fileName& functionLibName)
  67 {
  68     if (functionLibName.size())
  69     {
  70         void* functionLibPtr =
  71             dlopen(functionLibName.c_str(), RTLD_LAZY|RTLD_GLOBAL);
  72
  73 #ifdef darwin
  74         if(!functionLibPtr && functionLibName.ext()=="so") {
  75             fileName lName=functionLibName.lessExt()+".dylib";
  76             functionLibPtr =
  77                 dlopen(lName.c_str(), RTLD_LAZY|RTLD_GLOBAL);
  78         }
  79 #elif defined mingw
  80         if(!functionLibPtr && functionLibName.ext()=="so") {
  81             fileName lName=functionLibName.lessExt()+".dll";
  82             functionLibPtr =
  83                 dlopen(lName.c_str(), RTLD_LAZY|RTLD_GLOBAL);
  84         }
  85 #endif
  86         if (!functionLibPtr)
  87         {
  88             WarningIn
  89             (
  90                 "dlLibraryTable::open(const fileName& functionLibName)"
  91             )   << "could not load " << dlerror()
  92                 << endl;
  93
  94             return false;
  95         }
  96         else
  97         {
  98             if (!loadedLibraries.found(functionLibPtr))
  99             {
 100                 loadedLibraries.insert(functionLibPtr, functionLibName);
 101                 return true;
 102             }
 103             else
 104             {
 105                 return false;
 106             }
 107         }
 108     }
 109     else
 110     {
 111         return false;
 112     }
 113 }
 114
 115
 116 bool Foam::dlLibraryTable::open
 117 (
 118     const dictionary& dict,
 119     const word& libsEntry
 120 )
 121 {
 122     if (dict.found(libsEntry))
 123     {
 124         fileNameList libNames(dict.lookup(libsEntry));
 125
 126         bool allOpened = (libNames.size() > 0);
 127
 128         forAll(libNames, i)
 129         {
 130             allOpened = dlLibraryTable::open(libNames[i]) && allOpened;
 131         }
 132
 133         return allOpened;
 134     }
 135     else
 136     {
 137         return false;
 138     }
 139 }
 140
 141
 142 // ************************************************************************* //