Lunchbox
1.4.0
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00001 00002 /* Copyright (c) 2005-2012, Stefan Eilemann <eile@equalizergraphics.com> 00003 * 00004 * This library is free software; you can redistribute it and/or modify it under 00005 * the terms of the GNU Lesser General Public License version 2.1 as published 00006 * by the Free Software Foundation. 00007 * 00008 * This library is distributed in the hope that it will be useful, but WITHOUT 00009 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 00010 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 00011 * details. 00012 * 00013 * You should have received a copy of the GNU Lesser General Public License 00014 * along with this library; if not, write to the Free Software Foundation, Inc., 00015 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 00016 */ 00017 00018 #ifndef LUNCHBOX_REQUESTHANDLER_H 00019 #define LUNCHBOX_REQUESTHANDLER_H 00020 00021 #include <lunchbox/api.h> // LUNCHBOX_API definition 00022 #include <lunchbox/thread.h> // thread-safety macros 00023 #include <lunchbox/types.h> 00024 00025 #include <list> 00026 00027 namespace lunchbox 00028 { 00029 namespace detail { class RequestHandler; } 00030 00044 class RequestHandler : public NonCopyable 00045 { 00046 public: 00048 LUNCHBOX_API RequestHandler(); 00049 00051 LUNCHBOX_API ~RequestHandler(); 00052 00061 LUNCHBOX_API uint32_t registerRequest( void* data = 0 ); 00062 00073 LUNCHBOX_API void unregisterRequest( const uint32_t requestID ); 00074 00089 LUNCHBOX_API bool waitRequest( const uint32_t requestID, void*& result, 00090 const uint32_t timeout = LB_TIMEOUT_INDEFINITE ); 00091 00093 LUNCHBOX_API bool waitRequest( const uint32_t requestID, uint32_t& result, 00094 const uint32_t timeout = LB_TIMEOUT_INDEFINITE ); 00096 LUNCHBOX_API bool waitRequest( const uint32_t requestID, bool& result, 00097 const uint32_t timeout = LB_TIMEOUT_INDEFINITE ); 00099 LUNCHBOX_API bool waitRequest(const uint32_t requestID, uint128_t& result, 00100 const uint32_t timeout = LB_TIMEOUT_INDEFINITE ); 00102 LUNCHBOX_API bool waitRequest( const uint32_t requestID ); 00103 00113 LUNCHBOX_API bool isRequestServed( const uint32_t requestID ) const; 00114 00122 LUNCHBOX_API void* getRequestData( const uint32_t requestID ); 00123 00131 LUNCHBOX_API void serveRequest( const uint32_t requestID, 00132 void* result = 0 ); 00134 LUNCHBOX_API void serveRequest( const uint32_t requestID, 00135 uint32_t result ); 00137 LUNCHBOX_API void serveRequest( const uint32_t requestID, bool result ); 00139 LUNCHBOX_API void serveRequest( const uint32_t requestID, 00140 const uint128_t& result ); 00145 LUNCHBOX_API bool hasPendingRequests() const; 00146 00147 private: 00148 detail::RequestHandler* const _impl; 00149 friend LUNCHBOX_API std::ostream& operator << ( std::ostream&, 00150 const RequestHandler& ); 00151 LB_TS_VAR( _thread ); 00152 }; 00153 00154 LUNCHBOX_API std::ostream& operator << ( std::ostream&, 00155 const RequestHandler& ); 00156 } 00157 #endif //LUNCHBOX_REQUESTHANDLER_H