// -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*-
/*
* Copyright (C) 2000 by the University of Southern California
* $Id: rtmodule.cc,v 1.16 2005/08/25 18:58:12 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.
*
*/
// $Header: /nfs/jade/vint/CVSROOT/ns-2/routing/rtmodule.cc,v 1.16 2005/08/25 18:58:12 johnh Exp $
#include "rtmodule.h"
#include <assert.h>
#include "node.h"
static class RoutingModuleClass : public TclClass {
public:
RoutingModuleClass() : TclClass("RtModule") {}
TclObject* create(int, const char*const*) {
return (new RoutingModule);
}
} class_routing_module;
static class BaseRoutingModuleClass : public TclClass {
public:
BaseRoutingModuleClass() : TclClass("RtModule/Base") {}
TclObject* create(int, const char*const*) {
return (new BaseRoutingModule);
}
} class_base_routing_module;
static class McastRoutingModuleClass : public TclClass {
public:
McastRoutingModuleClass() : TclClass("RtModule/Mcast") {}
TclObject* create(int, const char*const*) {
return (new McastRoutingModule);
}
} class_mcast_routing_module;
static class HierRoutingModuleClass : public TclClass {
public:
HierRoutingModuleClass() : TclClass("RtModule/Hier") {}
TclObject* create(int, const char*const*) {
return (new HierRoutingModule);
}
} class_hier_routing_module;
static class ManualRoutingModuleClass : public TclClass {
public:
ManualRoutingModuleClass() : TclClass("RtModule/Manual") {}
TclObject* create(int, const char*const*) {
return (new ManualRoutingModule);
}
} class_manual_routing_module;
static class SourceRoutingModuleClass : public TclClass {
public:
SourceRoutingModuleClass() : TclClass("RtModule/Source") {}
TclObject* create(int, const char*const*) {
return (new SourceRoutingModule);
}
} class_source_routing_module;
static class QSRoutingModuleClass : public TclClass {
public:
QSRoutingModuleClass() : TclClass("RtModule/QS") {}
TclObject* create(int, const char*const*) {
return (new QSRoutingModule);
}
} class_qs_routing_module;
static class VcRoutingModuleClass : public TclClass {
public:
VcRoutingModuleClass() : TclClass("RtModule/VC") {}
TclObject* create(int, const char*const*) {
return (new VcRoutingModule);
}
} class_vc_routing_module;
#ifdef HAVE_STL
static class PgmRoutingModuleClass : public TclClass {
public:
PgmRoutingModuleClass() : TclClass("RtModule/PGM") {}
TclObject* create(int, const char*const*) {
return (new PgmRoutingModule);
}
} class_pgm_routing_module;
#endif //STL
// LMS
static class LmsRoutingModuleClass : public TclClass {
public:
LmsRoutingModuleClass() : TclClass("RtModule/LMS") {}
TclObject* create(int, const char*const*) {
return (new LmsRoutingModule);
}
} class_lms_routing_module;
RoutingModule::RoutingModule() :
next_rtm_(NULL), n_(NULL), classifier_(NULL) {
bind("classifier_", (TclObject**)&classifier_);
}
int RoutingModule::command(int argc, const char*const* argv)
{
Tcl& tcl = Tcl::instance();
if (argc == 2) {
if (strcmp(argv[1], "node") == 0) {
assert(n_ != NULL);
tcl.resultf("%s", n_->name());
return TCL_OK;
} else if (strcmp(argv[1], "module-name") == 0) {
if (module_name() != NULL)
tcl.resultf("%s", module_name());
else
tcl.result("");
return TCL_OK;
}
} else if (argc == 3) {
if (strcmp(argv[1], "attach-node") == 0) {
n_ = (Node*)TclObject::lookup(argv[2]);
if (n_ == NULL) {
tcl.add_errorf("Wrong object name %s",argv[2]);
return TCL_ERROR;
}
return TCL_OK;
}
//if (strcmp(argv[1], "attach-classifier") == 0) {
//classifier_ = (Classifier*)(TclObject::lookup(argv[2]));
//if (classifier_ == NULL) {
//tcl.add_errorf("Wrong object name %s",argv[2]);
//return TCL_ERROR;
//}
//return TCL_OK;
//}
}
return TclObject::command(argc, argv);
}
int BaseRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
int SourceRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
int QSRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
int McastRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
int HierRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
//if (strcmp(argv[1], "attach-classifier") == 0) {
//classifier_ = (HierClassifier*)(TclObject::lookup(argv[2]));
//if (classifier_ == NULL) {
//tcl.add_errorf("Wrong object name %s",argv[2]);
//return TCL_ERROR;
//}
//return TCL_OK;
//}
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
int ManualRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from node_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
void VcRoutingModule::add_route(char *, NsObject *) { }
int VcRoutingModule::command(int argc, const char*const* argv) {
Tcl& tcl = Tcl::instance();
if (argc == 3) {
if (strcmp(argv[1] , "route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->route_notify(this);
return TCL_OK;
}
if (strcmp(argv[1] , "unreg-route-notify") == 0) {
Node *node = (Node *)(TclObject::lookup(argv[2]));
if (node == NULL) {
tcl.add_errorf("Invalid node object %s", argv[2]);
return TCL_ERROR;
}
if (node != n_) {
tcl.add_errorf("Node object %s different from n_", argv[2]);
return TCL_ERROR;
}
n_->unreg_route_notify(this);
return TCL_OK;
}
}
return (RoutingModule::command(argc, argv));
}
void RoutingModule::route_notify(RoutingModule *rtm) {
if (next_rtm_ != NULL)
next_rtm_->route_notify(rtm);
else
next_rtm_ = rtm;
}
void RoutingModule::unreg_route_notify(RoutingModule *rtm) {
if (next_rtm_) {
if (next_rtm_ == rtm) {
//RoutingModule *tmp = next_rtm_;
next_rtm_ = next_rtm_->next_rtm_;
//free (tmp);
}
else {
next_rtm_->unreg_route_notify(rtm);
}
}
}
void RoutingModule::add_route(char *dst, NsObject *target)
{
if (classifier_)
classifier_->do_install(dst,target);
if (next_rtm_ != NULL)
next_rtm_->add_route(dst, target);
}
void RoutingModule::delete_route(char *dst, NsObject *nullagent)
{
if (classifier_)
classifier_->do_install(dst, nullagent);
if (next_rtm_)
next_rtm_->add_route(dst, nullagent);
}
void RoutingModule::set_table_size(int nn)
{
if (classifier_)
classifier_->set_table_size(nn);
if (next_rtm_)
next_rtm_->set_table_size(nn);
}
void RoutingModule::set_table_size(int level, int size)
{
if (classifier_)
classifier_->set_table_size(level, size);
if (next_rtm_)
next_rtm_->set_table_size(level, size);
}
// void BaseRoutingModule::add_route(char *dst, NsObject *target) {
// if (classifier_)
// ((DestHashClassifier *)classifier_)->do_install(dst, target);
// if (next_rtm_ != NULL)
// next_rtm_->add_route(dst, target);
// }
// void McastRoutingModule::add_route(char *dst, NsObject *target) {
// if (classifier_)
// ((DestHashClassifier *)classifier_)->do_install(dst, target);
// if (next_rtm_ != NULL)
// next_rtm_->add_route(dst, target);
// }
// void HierRoutingModule::add_route(char *dst, NsObject *target) {
// if (classifier_)
// ((HierClassifier *)classifier_)->do_install(dst, target);
// if (next_rtm_ != NULL)
// next_rtm_->add_route(dst, target);
// }
void ManualRoutingModule::add_route(char *dst, NsObject *target) {
int slot = classifier_->install_next(target);
if (strcmp(dst, "default") == 0) {
classifier_->set_default(slot);
} else {
int encoded_dst_address =
(atoi(dst)) << (AddrParamsClass::instance().node_shift(1));
if (0 > (classifier_->do_set_hash(0, encoded_dst_address, 0, slot))) {
fprintf(stderr, "HashClassifier::set_hash() return value less than 0\n"); }
}
if (next_rtm_ != NULL)
next_rtm_->add_route(dst, target);
}
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