dsdv.rar_AODV-delay.tcl_AODV改进代码_Aodv改进 ns2_DSDV改进_NS2 DSDV

/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ /* * Copyright (c) 1997 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the Computer Systems * Engineering Group at Lawrence Berkeley Laboratory. * 4. Neither the name of the University nor of the Laboratory may be used * to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* Ported from CMU/Monarch's code, nov'98 -Padma.*/ /* dsdv.h -*- c++ -*- $Id: dsdv.h,v 1.6 1999/08/20 18:03:16 haoboy Exp $ */ #ifndef cmu_dsdv_h_ #define cmu_dsdv_h_ #include "config.h" #include "agent.h" #include "ip.h" #include "delay.h" #include "scheduler.h" #include "queue.h" #include "trace.h" #include "arp.h" #include "ll.h" #include "mac.h" #include "priqueue.h" #include "rtable.h" #if defined(WIN32) && !defined(snprintf) #define snprintf _snprintf #endif /* WIN32 && !snprintf */ typedef double Time; #define MAX_QUEUE_LENGTH 5 #define ROUTER_PORT 0xff class DSDV_Helper; class DSDVTriggerHandler; class DSDV_Agent : public Agent { friend class DSDV_Helper; friend class DSDVTriggerHandler; public: DSDV_Agent(); virtual int command(int argc, const char * const * argv); void lost_link(Packet *p); protected: void helper_callback(Event *e); Packet* rtable(int); virtual void recv(Packet *, Handler *); void trace(char* fmt, ...); void tracepkt(Packet *, double, int, const char *); void needTriggeredUpdate(rtable_ent *prte, Time t); // if no triggered update already pending for route prte, make one so void cancelTriggersBefore(Time t); // Cancel any triggered events scheduled to take place *before* time // t (exclusive) Packet * makeUpdate(int& periodic); // return a packet advertising the state in the routing table // makes a full ``periodic'' update if requested, or a ``triggered'' // partial update if there are only a few changes and full update otherwise // returns with periodic = 1 if full update returned, or = 0 if partial // update returned void updateRoute(rtable_ent *old_rte, rtable_ent *new_rte); void processUpdate (Packet * p); void forwardPacket (Packet * p); void startUp(); int diff_subnet(int dst); void sendOutBCastPkt(Packet *p); // update old_rte in routing table to to new_rte Trace *tracetarget; // Trace Target DSDV_Helper *helper_; // DSDV Helper, handles callbacks DSDVTriggerHandler *trigger_handler; RoutingTable *table_; // Routing Table PriQueue *ll_queue; // link level output queue int seqno_; // Sequence number to advertise with... int myaddr_; // My address... // Extensions for mixed type simulations using wired and wireless // nodes char *subnet_; // My subnet MobileNode *node_; // My node // for debugging char *address; NsObject *port_dmux_; // my port dmux Event *periodic_callback_; // notify for periodic update // Randomness/MAC/logging parameters int be_random_; int use_mac_; int verbose_; int trace_wst_; // last time a periodic update was sent... double lasttup_; // time of last triggered update double next_tup; // time of next triggered update // Event *trigupd_scheduled; // event marking a scheduled triggered update // DSDV constants: double alpha_; // 0.875 double wst0_; // 6 (secs) double perup_; // 15 (secs) period between updates int min_update_periods_; // 3 we must hear an update from a neighbor // every min_update_periods or we declare // them unreachable void output_rte(const char *prefix, rtable_ent *prte, DSDV_Agent *a); }; class DSDV_Helper : public Handler { public: DSDV_Helper(DSDV_Agent *a_) { a = a_; } virtual void handle(Event *e) { a->helper_callback(e); } private: DSDV_Agent *a; }; #endif