00001 /******************************************************************************* 00002 * Copyright (C) 2001-2004 Vintela, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions are met: 00006 * 00007 * - Redistributions of source code must retain the above copyright notice, 00008 * this list of conditions and the following disclaimer. 00009 * 00010 * - Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 00014 * - Neither the name of Vintela, Inc. nor the names of its 00015 * contributors may be used to endorse or promote products derived from this 00016 * software without specific prior written permission. 00017 * 00018 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' 00019 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00020 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00021 * ARE DISCLAIMED. IN NO EVENT SHALL Vintela, Inc. OR THE CONTRIBUTORS 00022 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00023 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00024 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00025 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00026 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00027 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00028 * POSSIBILITY OF SUCH DAMAGE. 00029 *******************************************************************************/ 00030 00035 #ifndef OW_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_ 00036 #define OW_DL_SHAREDLIBRARY_HPP_INCLUDE_GUARD_ 00037 #include "OW_config.h" 00038 #if defined(OW_USE_DL) 00039 #include "OW_SharedLibrary.hpp" 00040 00041 #include "OW_Types.hpp" 00042 00043 #if defined(OW_USE_FAKE_LIBS) 00044 #include "OW_Map.hpp" 00045 #endif /* defined(OW_USE_FAKE_LIBS) */ 00046 00047 // The classes and functions defined in this file are not meant for general 00048 // use, they are internal implementation details. They may change at any time. 00049 00050 namespace OW_NAMESPACE 00051 { 00052 00057 class dlSharedLibrary : public SharedLibrary 00058 { 00059 public: 00060 dlSharedLibrary(void * libhandle, const String& libName); 00061 virtual ~dlSharedLibrary(); 00062 00070 static void setCallDlclose(bool callDlclose) 00071 { 00072 s_call_dlclose = callDlclose; 00073 } 00074 00078 static bool isFakeLibrary(const String& library_path); 00079 00080 protected: 00090 virtual bool doGetFunctionPointer( const String& functionName, 00091 void** fp ) const; 00092 private: 00093 void* m_libhandle; 00094 String m_libName; 00095 00096 // non-copyable 00097 dlSharedLibrary(const dlSharedLibrary&); 00098 dlSharedLibrary& operator=(const dlSharedLibrary&); 00099 00100 #if defined(OW_USE_FAKE_LIBS) 00101 bool m_fakeLibrary; 00102 Map<String, String> m_symbolMap; 00103 00104 void initializeSymbolMap(); 00105 #endif /* defined(OW_USE_FAKE_LIBS) */ 00106 00107 static bool s_call_dlclose; 00108 00109 }; 00110 00111 } // end namespace OW_NAMESPACE 00112 00113 #endif // OW_USE_DL 00114 #endif