/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */
/*
* Copyright (c) 1999 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 MASH Research
* Group at the University of California Berkeley.
* 4. Neither the name of the University nor of the Research Group 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.
*
* Contributed by Tom Henderson, UCB Daedalus Research Group, June 1999
*/
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /nfs/jade/vint/CVSROOT/ns-2/satellite/satnode.cc,v 1.8 2001/11/06 06:21:47 tomh Exp $";
#endif
#include "satnode.h"
#include "satlink.h"
#include "sattrace.h"
#include "sathandoff.h"
#include "satposition.h"
static class SatNodeClass : public TclClass {
public:
SatNodeClass() : TclClass("Node/SatNode") {}
TclObject* create(int , const char*const* ) {
return (new SatNode);
}
} class_satnode;
#define MAXSATNODELIST 64 // Assume 64 nodes to start-- dynamically increases
int* SatNode::satnodelist_ = NULL;
int SatNode::maxsatnodelist_ = 0;
int SatNode::dist_routing_ = 0;
SatNode::SatNode() : ragent_(0), trace_(0), hm_(0)
{
bind_bool("dist_routing_", &dist_routing_);
}
int SatNode::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 2) {
if (strcmp(argv[1], "set_downlink") == 0) {
if (downlink_ != NULL) {
tcl.result(downlink_->name());
return (TCL_OK);
}
} else if (strcmp(argv[1], "set_uplink") == 0) {
if (downlink_ != NULL) {
tcl.result(uplink_->name());
return (TCL_OK);
}
} else if (strcmp(argv[1], "start_handoff") == 0) {
if (hm_)
hm_->start();
else {
printf("Error: starting non-existent ");
printf("handoff mgr\n");
exit(1);
}
return (TCL_OK);
} else if (strcmp(argv[1], "dump_sats") == 0) {
dumpSats();
return (TCL_OK);
}
}
if (argc == 3) {
if (strcmp(argv[1], "set_uplink") == 0) {
uplink_ = (SatChannel *) TclObject::lookup(argv[2]);
if (uplink_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if (strcmp(argv[1], "set_downlink") == 0) {
downlink_ = (SatChannel *) TclObject::lookup(argv[2]);
if (downlink_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if (strcmp(argv[1], "set_trace") == 0) {
trace_ = (SatTrace *) TclObject::lookup(argv[2]);
if (trace_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if (strcmp(argv[1], "set_ragent") == 0) {
ragent_ = (SatRouteAgent *) TclObject::lookup(argv[2]);
if (ragent_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if(strcmp(argv[1], "addif") == 0) {
SatPhy* n = (SatPhy*) TclObject::lookup(argv[2]);
if(n == 0)
return TCL_ERROR;
n->insertnode(&ifhead_);
n->setnode(this);
return TCL_OK;
} else if (strcmp(argv[1], "set_position") == 0) {
pos_ = (SatPosition*) TclObject::lookup(argv[2]);
if (pos_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if (strcmp(argv[1], "set_handoff_mgr") == 0) {
hm_ = (LinkHandoffMgr*) TclObject::lookup(argv[2]);
if (hm_ == 0) {
tcl.resultf("no such object %s", argv[2]);
return (TCL_ERROR);
}
return (TCL_OK);
} else if (strcmp(argv[1], "set_address") == 0) {
addNode(atoi(argv[2]));
return (TCL_OK);
}
}
return (Node::command(argc, argv));
}
int SatNode::addNode(int nodenum)
{
if (maxsatnodelist_ == 0) {
satnodelist_ = new int[MAXSATNODELIST];
memset(satnodelist_, 0, MAXSATNODELIST * sizeof(satnodelist_));
maxsatnodelist_ = MAXSATNODELIST;
}
assert(nodenum < 2*maxsatnodelist_);
if (nodenum >= maxsatnodelist_) {
// Double size of array
int i;
int* temp = new int[2 * maxsatnodelist_];
memset(temp, 0, 2 * maxsatnodelist_ * sizeof(temp));
for (i = 0; i < maxsatnodelist_; i++) {
temp[i] = satnodelist_[i];
}
delete [] satnodelist_;
satnodelist_ = temp;
maxsatnodelist_ *= 2;
}
satnodelist_[nodenum] = 1;
return 0;
}
int SatNode::IsASatNode(int nodenum)
{
if (nodenum > maxsatnodelist_) {
printf("Error: IsASatNode() nodenum %d greater than maxsatnodelist_ %d\n", nodenum, maxsatnodelist_);
exit(1);
}
return satnodelist_[nodenum];
}
// debugging method for dumping out all of the satellite and ISL locations
// on demand from OTcl.
void SatNode::dumpSats()
{
SatNode *snodep, *peer_snodep;
SatPosition *sposp, *peer_sposp;
PolarSatPosition *polar_sposp;
SatLinkHead *slhp;
int linktype;
printf("\nDumping satellites at time %.2f\n\n", NOW);
for (snodep= (SatNode*) Node::nodehead_.lh_first; snodep;
snodep = (SatNode*) snodep->nextnode()) {
if (!SatNode::IsASatNode(snodep->address()))
continue;
sposp = snodep->position();
printf("%d\t%.2f\t%.2f", snodep->address(),
RAD_TO_DEG(SatGeometry::get_latitude(sposp->coord())),
RAD_TO_DEG(SatGeometry::get_longitude(sposp->coord())));
// If SatNode is polar, append plane information
if (sposp->type()==POSITION_SAT_POLAR) {
polar_sposp = (PolarSatPosition*) snodep->position();
printf ("\t%d", polar_sposp->plane());
} else if (sposp->type()==POSITION_SAT_GEO) {
printf ("\tGEO");
} else if (sposp->type()==POSITION_SAT_TERM) {
printf ("\tTERM");
}
printf("\n");
}
printf("\n");
// Dump satellite links
// There is a static list of address classifiers //QQQ
printf("Links:\n");
for (snodep = (SatNode*) Node::nodehead_.lh_first; snodep;
snodep = (SatNode*) snodep->nextnode()) {
if (!SatNode::IsASatNode(snodep->address()))
continue;
// XXX Not all links necessarily satlinks
for (slhp = (SatLinkHead*) snodep->linklisthead_.lh_first;
slhp; slhp = (SatLinkHead*) slhp->nextlinkhead() ) {
linktype = slhp->type();
if (linktype == LINK_GENERIC)
continue;
if (!slhp->linkup_)
continue;
// Link is up.
// Print out source and dest coordinates.
sposp = snodep->position();
peer_snodep = hm_->get_peer(slhp);
if (peer_snodep == 0)
continue; // this link interface is not attached
// need something in here for txs.
peer_sposp = peer_snodep->position();
printf("%.2f\t%.2f\t%.2f\t%.2f\t%d\n",
RAD_TO_DEG(SatGeometry::get_latitude(sposp->coord())),
RAD_TO_DEG(SatGeometry::get_longitude(sposp->coord())),
RAD_TO_DEG(SatGeometry::get_latitude(peer_sposp->coord())),
RAD_TO_DEG(SatGeometry::get_longitude(peer_sposp->coord())),
linktype);
}
}
printf("\nDumped satellites at time %.2f\n\n", NOW);
}
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