rtmodule.cc
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- // -*- 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: /cvsroot/nsnam/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 0n"); }
- }
- if (next_rtm_ != NULL)
- next_rtm_->add_route(dst, target);
- }