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/*
* rtProtoLS.h
* Copyright (C) 2000 by the University of Southern California
* $Id: rtProtoLS.h,v 1.4 2005/08/25 18:58:06 johnh Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
// Other copyrights might apply to parts of this software and are so
// noted when applicable.
//
// Copyright (C) 1998 by Mingzhou Sun. All rights reserved.
// This software is developed at Rensselaer Polytechnic Institute under
// DARPA grant No. F30602-97-C-0274
// Redistribution and use in source and binary forms are permitted
// provided that the above copyright notice and this paragraph are
// duplicated in all such forms and that any documentation, advertising
// materials, and other materials related to such distribution and use
// acknowledge that the software was developed by Mingzhou Sun at the
// Rensselaer Polytechnic Institute. The name of the University may not
// be used to endorse or promote products derived from this software
// without specific prior written permission.
//
// $Header: /cvsroot/nsnam/ns-2/linkstate/rtProtoLS.h,v 1.4 2005/08/25 18:58:06 johnh Exp $
#ifndef ns_rtprotols_h
#define ns_rtprotols_h
#include "packet.h"
#include "agent.h"
#include "ip.h"
#include "ls.h"
#include "hdr-ls.h"
extern LsMessageCenter messageCenter;
class rtProtoLS : public Agent , public LsNode {
public:
rtProtoLS() : Agent(PT_RTPROTO_LS) {
LS_ready_ = 0;
}
int command(int argc, const char*const* argv);
void sendpkt(ns_addr_t dst, u_int32_t z, u_int32_t mtvar);
void recv(Packet* p, Handler*);
protected:
void initialize(); // init nodeState_ and routing_
void setDelay(int nbrId, double delay) {
delayMap_.insert(nbrId, delay);
}
void sendBufferedMessages() { routing_.sendBufferedMessages(); }
void computeRoutes() { routing_.computeRoutes(); }
void intfChanged();
void sendUpdates() { routing_.sendLinkStates(); }
void lookup(int destinationNodeId);
public:
bool sendMessage(int destId, u_int32_t messageId, int size);
void receiveMessage(int sender, u_int32_t msgId);
int getNodeId() { return nodeId_; }
LsLinkStateList* getLinkStateListPtr() { return &linkStateList_; }
LsNodeIdList* getPeerIdListPtr() { return &peerIdList_; }
LsDelayMap* getDelayMapPtr() {
return delayMap_.empty() ? (LsDelayMap *)NULL : &delayMap_;
}
void installRoutes() {
Tcl::instance().evalf("%s route-changed", name());
}
private:
typedef LsMap<int, ns_addr_t> PeerAddrMap; // addr for peer Id
PeerAddrMap peerAddrMap_;
int nodeId_;
int LS_ready_; // to differentiate fake and real LS, debug, 0 == no
// needed in recv and sendMessage;
LsLinkStateList linkStateList_;
LsNodeIdList peerIdList_;
LsDelayMap delayMap_;
LsRouting routing_;
int findPeerNodeId(ns_addr_t agentAddr);
};
#endif // ns_rtprotols_h
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