--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sim/Node.cc Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,223 @@
+/*
+ * Copyright 2004-2006 Intel Corporation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include <dtn-config.h>
+#endif
+
+#include <oasys/thread/Timer.h>
+#include "SimEvent.h"
+#include "SimLog.h"
+#include "Node.h"
+#include "bundling/BundleDaemon.h"
+#include "contacts/ContactManager.h"
+#include "contacts/Link.h"
+#include "routing/BundleRouter.h"
+#include "routing/RouteTable.h"
+#include "reg/Registration.h"
+
+using namespace dtn;
+
+namespace dtnsim {
+
+//----------------------------------------------------------------------
+Node::Node(const char* name)
+ : BundleDaemon(), name_(name),
+ storage_config_("storage",
+ "memorydb",
+ "DTN", "")
+
+{
+ logpathf("/node/%s", name);
+ log_info("node %s initializing...", name);
+
+ storage_config_.init_ = true;
+ storage_config_.tidy_ = true;
+ storage_config_.tidy_wait_ = 0;
+ storage_config_.leave_clean_file_ = false;
+
+ // XXX/demmer see comment in BundlePayload::init
+ storage_config_.payload_dir_ = "NO_PAYLOAD_FILES";
+}
+
+//----------------------------------------------------------------------
+void
+Node::do_init()
+{
+ BundleDaemon::instance_ = this;
+
+ actions_ = new BundleActions();
+ eventq_ = new std::queue<BundleEvent*>();
+
+ // forcibly create a new timer system and storage systems
+ oasys::Singleton<oasys::TimerSystem>::force_set_instance(NULL);
+ oasys::TimerSystem::create();
+ timersys_ = oasys::TimerSystem::instance();
+
+ store_ = new oasys::DurableStore("/dtnsim/storage");
+ store_->create_store(storage_config_);
+
+ // we only have one GlobalStore because it's useful to have unique
+ // bundle ids across all nodes in the system, so initialize it the
+ // first node that gets created
+ if (! GlobalStore::initialized()) {
+ if (GlobalStore::init(storage_config_, store_) != 0) {
+ PANIC("Error initializing GlobalStore");
+ }
+ }
+
+ // the other stores are faux-singletons with an instance per node
+ BundleStore::force_set_instance(NULL);
+ ProphetStore::force_set_instance(NULL);
+ LinkStore::force_set_instance(NULL);
+ RegistrationStore::force_set_instance(NULL);
+
+ log_info("creating storage tables");
+ if ((BundleStore::init(storage_config_, store_) != 0) ||
+ (LinkStore::init(storage_config_, store_) != 0) ||
+ (ProphetStore::init(storage_config_, store_) != 0) ||
+ (RegistrationStore::init(storage_config_, store_) != 0))
+ {
+ PANIC("Error initializing storage tables");
+ }
+
+ bundle_store_ = BundleStore::instance();
+ prophet_store_ = ProphetStore::instance();
+ link_store_ = LinkStore::instance();
+ reg_store_ = RegistrationStore::instance();
+}
+
+//----------------------------------------------------------------------
+void
+Node::set_active()
+{
+ if (instance_ == this) return;
+
+ instance_ = this;
+ oasys::Singleton<oasys::TimerSystem>::force_set_instance(timersys_);
+ oasys::Log::instance()->set_prefix(name_.c_str());
+
+ BundleStore::force_set_instance(bundle_store_);
+ ProphetStore::force_set_instance(prophet_store_);
+ LinkStore::force_set_instance(link_store_);
+ RegistrationStore::force_set_instance(reg_store_);
+}
+
+//----------------------------------------------------------------------
+void
+Node::configure()
+{
+ set_active();
+
+ router_ = BundleRouter::create_router(BundleRouter::config_.type_.c_str());
+ router_->initialize();
+}
+
+//----------------------------------------------------------------------
+void
+Node::post_event(BundleEvent* event, bool at_back)
+{
+ (void)at_back;
+ log_debug("posting event (%p) with type %s at %s ",
+ event, event->type_str(),at_back ? "back" : "head");
+
+ eventq_->push(event);
+}
+
+//----------------------------------------------------------------------
+bool
+Node::process_one_bundle_event()
+{
+ BundleEvent* event;
+ if (!eventq_->empty()) {
+ event = eventq_->front();
+ eventq_->pop();
+ handle_event(event);
+ delete event;
+ log_debug("event (%p) %s processed and deleted",event,event->type_str());
+ return true;
+ }
+ return false;
+}
+
+//----------------------------------------------------------------------
+void
+Node::run_one_event_now(BundleEvent* event)
+{
+ Node* cur_active = active_node();
+ set_active();
+ handle_event(event);
+ log_debug("event (%p) %s processed",event,event->type_str());
+ cur_active->set_active();
+}
+
+//----------------------------------------------------------------------
+void
+Node::process(SimEvent* e)
+{
+ switch (e->type()) {
+ case SIM_BUNDLE_EVENT:
+ post_event(((SimBundleEvent*)e)->event_);
+ break;
+
+ default:
+ NOTREACHED;
+ }
+}
+
+//----------------------------------------------------------------------
+void
+Node::handle_bundle_delivered(BundleDeliveredEvent* event)
+{
+ SimLog::instance()->log_arrive(this, event->bundleref_.object());
+ BundleDaemon::handle_bundle_delivered(event);
+}
+
+//----------------------------------------------------------------------
+void
+Node::handle_bundle_received(BundleReceivedEvent* event)
+{
+ Bundle* bundle = event->bundleref_.object();
+ SimLog::instance()->log_recv(this, bundle);
+
+ // XXX/demmer this needs to look at the history of all duplicates,
+ // not just the duplicates right now...
+
+ Bundle* duplicate = find_duplicate(bundle);
+ if (duplicate != NULL) {
+ SimLog::instance()->log_dup(this, bundle);
+ }
+ BundleDaemon::handle_bundle_received(event);
+}
+
+//----------------------------------------------------------------------
+void
+Node::handle_bundle_transmitted(BundleTransmittedEvent* event)
+{
+ SimLog::instance()->log_xmit(this, event->bundleref_.object());
+ BundleDaemon::handle_bundle_transmitted(event);
+}
+
+
+//----------------------------------------------------------------------
+void
+Node::handle_bundle_expired(BundleExpiredEvent* event)
+{
+ SimLog::instance()->log_expire(this, event->bundleref_.object());
+ BundleDaemon::handle_bundle_expired(event);
+}
+
+} // namespace dtnsim