blocxx
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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" 00021 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 00024 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 00025 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 00026 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00027 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00028 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 00029 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00030 * POSSIBILITY OF SUCH DAMAGE. 00031 *******************************************************************************/ 00032 00033 00039 #ifndef BLOCXX_SELECT_ENGINE_HPP_ 00040 #define BLOCXX_SELECT_ENGINE_HPP_ 00041 #include "blocxx/BLOCXX_config.h" 00042 #include "blocxx/SelectableIFC.hpp" 00043 #include "blocxx/SelectableCallbackIFC.hpp" 00044 #include "blocxx/SortedVectorMap.hpp" 00045 #include "blocxx/Exception.hpp" 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 BLOCXX_NAMESPACE 00051 { 00052 00053 BLOCXX_DECLARE_APIEXCEPTION(Select, BLOCXX_COMMON_API) 00054 class BLOCXX_COMMON_API SelectEngine 00055 { 00056 public: 00061 void addSelectableObject(const Select_t& obj, 00062 const SelectableCallbackIFCRef& cb, SelectableCallbackIFC::EEventType eventType); 00064 bool removeSelectableObject(const Select_t& obj, SelectableCallbackIFC::EEventType eventType); 00065 void go(const Timeout& timeout); // Throws SelectException on error 00066 void stop(); 00067 private: 00068 00069 struct Data 00070 { 00071 Data(const SelectableCallbackIFCRef& callback_, 00072 SelectableCallbackIFC::EEventType eventType_) 00073 : callback(callback_) 00074 , eventType(eventType_) 00075 { 00076 } 00077 00078 SelectableCallbackIFCRef callback; 00079 SelectableCallbackIFC::EEventType eventType; 00080 00081 }; 00082 00083 SortedVectorMap<Select_t, Data> m_table; // the key is Data::selectObj->getSelectObj() 00084 00085 bool m_stopFlag; 00086 }; 00087 00088 class BLOCXX_COMMON_API SelectEngineStopper : public SelectableCallbackIFC 00089 { 00090 public: 00091 SelectEngineStopper(SelectEngine& engine); 00092 protected: 00093 virtual void doSelected(Select_t& selectedObject, EEventType eventType); 00094 private: 00095 SelectEngine& m_engine; 00096 }; 00097 00098 } // end namespace BLOCXX_NAMESPACE 00099 00100 #endif