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 #ifndef _SIM_CONTACT_H_ 00039 #define _SIM_CONTACT_H_ 00040 00041 00042 #include <oasys/debug/DebugUtils.h> 00043 #include <oasys/debug/Log.h> 00044 00045 00046 #include "Node.h" 00047 #include "Processable.h" 00048 #include "SimEvent.h" 00049 #include "Message.h" 00050 00051 namespace dtnsim { 00052 00053 00054 class Event; 00055 class Event_chew_fin; 00056 00060 class SimContact : public oasys::Logger, public Processable { 00061 00062 public: 00063 00064 static const bool ALLOW_FRAGMENTATION = false; 00065 static const bool DISALLOW_FRACTIONAL_TRANSFERS = true; 00066 00067 SimContact (int id, Node* src, Node* dst, double bw, 00068 double latency, bool isup, int up, int down); 00069 00070 00071 00072 bool is_open() ; 00073 00074 /* A message can be sent on a contact only if it is open. 00075 * The contact itself has no queue. It resembles an actual 00076 * link 00077 */ 00078 void chew_message(Message* msg) ; 00079 00080 Node* src() { return src_; } 00081 Node* dst() { return dst_; } 00082 int id() { return id_; } 00083 00084 private: 00085 // static long total_; 00086 int id_; 00087 Node* src_ ; 00088 Node* dst_ ; 00089 double latency_; 00090 double bw_; 00091 // Probability_Distribution* uptime_; ///< sequence of uptimes 00092 // Probability_Distribution* downtime_; ///< sequence of downtimes 00093 00094 int up_; 00095 int down_; 00096 00097 typedef enum { 00098 OPEN = 1, // Available to send a message 00099 BUSY = 2, // Currently sending a message 00100 CLOSE = 3 00101 } state_t; 00102 00103 state_t state_; 00104 00105 Event_chew_fin* chewing_event_ ; 00106 Event* future_updown_event_; 00107 00108 void open_contact(bool b) ; 00109 void close_contact(bool b) ; 00110 void process(Event* e) ; 00111 void chewing_complete(double size, Message* msg) ; 00112 }; 00113 } // namespace dtnsim 00114 00115 #endif /* _SIM_CONTACT_H_ */