dlSharedLibrary.hpp

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00001 /*******************************************************************************
00002 * Copyright (C) 2004 Vintela, Inc. All rights reserved.
00003 * Copyright (C) 2005 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 *
00011 *  - Redistributions in binary form must reproduce the above copyright notice,
00012 *    this list of conditions and the following disclaimer in the documentation
00013 *    and/or other materials provided with the distribution.
00014 *
00015 *  - Neither the name of Vintela, Inc., Novell, Inc., nor the names of its
00016 *    contributors may be used to endorse or promote products derived from this
00017 *    software without specific prior written permission.
00018 *
00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00020 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00021 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00022 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc., Novell, Inc., OR THE 
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00031 
00032 
00037 #ifndef BLOCXX_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_
00038 #define BLOCXX_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_
00039 #include "blocxx/BLOCXX_config.h"
00040 #if defined(BLOCXX_USE_DL)
00041 #include "blocxx/SharedLibrary.hpp"
00042 
00043 #include "blocxx/Types.hpp"
00044 
00045 #if defined(BLOCXX_USE_FAKE_LIBS)
00046 #include "blocxx/Map.hpp"
00047 #endif /* defined(BLOCXX_USE_FAKE_LIBS) */
00048 
00049 // The classes and functions defined in this file are not meant for general
00050 // use, they are internal implementation details.  They may change at any time.
00051 
00052 namespace BLOCXX_NAMESPACE
00053 {
00054 
00059 class dlSharedLibrary : public SharedLibrary
00060 {
00061 public:
00062    dlSharedLibrary(void * libhandle, const String& libName);
00063    virtual ~dlSharedLibrary();
00064 
00072    static void setCallDlclose(bool callDlclose)
00073    {
00074       s_call_dlclose = callDlclose;
00075    }
00076 
00080    static bool isFakeLibrary(const String& library_path);
00081   
00082 protected:
00092    virtual bool doGetFunctionPointer( const String& functionName,
00093                                    void** fp ) const;
00094 private:
00095    void* m_libhandle;
00096    String m_libName;
00097 
00098    // non-copyable
00099    dlSharedLibrary(const dlSharedLibrary&);
00100    dlSharedLibrary& operator=(const dlSharedLibrary&);
00101 
00102 #if defined(BLOCXX_USE_FAKE_LIBS)
00103    bool m_fakeLibrary;
00104    Map<String, String> m_symbolMap;
00105 
00106    void initializeSymbolMap();
00107 #endif /* defined(BLOCXX_USE_FAKE_LIBS) */
00108 
00109    static bool s_call_dlclose;
00110 
00111 };
00112 
00113 } // end namespace BLOCXX_NAMESPACE
00114 
00115 #endif // BLOCXX_USE_DL
00116 #endif

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