00001 /* 00002 * IMPORTANT: READ BEFORE DOWNLOADING, COPYING, INSTALLING OR USING. By 00003 * downloading, copying, installing or using the software you agree to 00004 * this license. If you do not agree to this license, do not download, 00005 * install, copy or use the software. 00006 * 00007 * Intel Open Source License 00008 * 00009 * Copyright (c) 2004 Intel Corporation. All rights reserved. 00010 * 00011 * Redistribution and use in source and binary forms, with or without 00012 * modification, are permitted provided that the following conditions are 00013 * met: 00014 * 00015 * Redistributions of source code must retain the above copyright 00016 * notice, this list of conditions and the following disclaimer. 00017 * 00018 * Redistributions in binary form must reproduce the above copyright 00019 * notice, this list of conditions and the following disclaimer in the 00020 * documentation and/or other materials provided with the distribution. 00021 * 00022 * Neither the name of the Intel Corporation nor the names of its 00023 * contributors may be used to endorse or promote products derived from 00024 * this software without specific prior written permission. 00025 * 00026 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00027 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00028 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 00029 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE INTEL OR 00030 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 00031 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 00032 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 00033 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 00034 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00035 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00036 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00037 */ 00038 #include <queue> 00039 #include <oasys/debug/DebugUtils.h> 00040 #include <oasys/debug/Log.h> 00041 00042 #include "SimEvent.h" 00043 #include "SimEventHandler.h" 00044 00045 namespace dtnsim { 00046 00050 class Simulator : public oasys::Logger, public SimEventHandler { 00051 public: 00055 static Simulator* instance() { 00056 if (instance_ == NULL) { 00057 PANIC("Simulator::init not called yet"); 00058 } 00059 return instance_; 00060 } 00061 00065 static void init(Simulator* instance) { 00066 if (instance_ != NULL) { 00067 PANIC("Simulator::init called multiple times"); 00068 } 00069 instance_ = instance; 00070 } 00071 00072 static double time() { return time_; } 00073 00077 Simulator(); 00078 00082 virtual ~Simulator() {} 00083 00087 static void post(SimEvent *e); 00088 00092 void exit(); 00093 00097 void run(); 00098 00099 static double runtill_; 00100 00101 protected: 00102 static Simulator* instance_; 00103 void process(SimEvent* e); 00104 00105 private: 00106 00107 static double time_; 00108 00109 bool is_running_; 00110 00111 00112 00113 std::priority_queue<SimEvent*, 00114 std::vector<SimEvent*>, 00115 SimEventCompare> eventq_; 00116 }; 00117 00118 } // namespace dtnsim 00119