blocxx

dlSharedLibrary.hpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2005, Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2006, Novell, Inc. All rights reserved.
00004 * 
00005 * Redistribution and use in source and binary forms, with or without
00006 * modification, are permitted provided that the following conditions are met:
00007 * 
00008 *     * Redistributions of source code must retain the above copyright notice,
00009 *       this list of conditions and the following disclaimer.
00010 *     * Redistributions in binary form must reproduce the above copyright
00011 *       notice, this list of conditions and the following disclaimer in the
00012 *       documentation and/or other materials provided with the distribution.
00013 *     * Neither the name of 
00014 *       Vintela, Inc., 
00015 *       nor Novell, Inc., 
00016 *       nor the names of its contributors or employees may be used to 
00017 *       endorse or promote products derived from this software without 
00018 *       specific prior written permission.
00019 * 
00020 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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00032 
00033 
00038 #ifndef BLOCXX_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_
00039 #define BLOCXX_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_
00040 #include "blocxx/BLOCXX_config.h"
00041 #if defined(BLOCXX_USE_DL)
00042 #include "blocxx/SharedLibrary.hpp"
00043 
00044 #include "blocxx/Types.hpp"
00045 
00046 #if defined(BLOCXX_USE_FAKE_LIBS)
00047 #include "blocxx/Map.hpp"
00048 #endif /* defined(BLOCXX_USE_FAKE_LIBS) */
00049 
00050 // The classes and functions defined in this file are not meant for general
00051 // use, they are internal implementation details.  They may change at any time.
00052 
00053 namespace BLOCXX_NAMESPACE
00054 {
00055 
00060 class dlSharedLibrary : public SharedLibrary
00061 {
00062 public:
00063    dlSharedLibrary(void * libhandle, const String& libName);
00064    virtual ~dlSharedLibrary();
00065 
00073    static void setCallDlclose(bool callDlclose)
00074    {
00075       s_call_dlclose = callDlclose;
00076    }
00077 
00081    static bool isFakeLibrary(const String& library_path);
00082   
00083 protected:
00093    virtual bool doGetFunctionPointer( const String& functionName,
00094                                    void** fp ) const;
00095 private:
00096    void* m_libhandle;
00097    String m_libName;
00098 
00099    // non-copyable
00100    dlSharedLibrary(const dlSharedLibrary&);
00101    dlSharedLibrary& operator=(const dlSharedLibrary&);
00102 
00103 #if defined(BLOCXX_USE_FAKE_LIBS)
00104    bool m_fakeLibrary;
00105    Map<String, String> m_symbolMap;
00106 
00107    void initializeSymbolMap();
00108 #endif /* defined(BLOCXX_USE_FAKE_LIBS) */
00109 
00110    static bool s_call_dlclose;
00111 
00112 };
00113 
00114 } // end namespace BLOCXX_NAMESPACE
00115 
00116 #endif // BLOCXX_USE_DL
00117 #endif