--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sim/SimEvent.h Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,117 @@
+/*
+ * 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.
+ */
+
+#ifndef _DTN_SIM_EVENT_H_
+#define _DTN_SIM_EVENT_H_
+
+#include <oasys/tclcmd/TclCommand.h>
+#include "bundling/BundleEvent.h"
+
+using namespace dtn;
+
+namespace dtnsim {
+
+class ConnState;
+class SimEventHandler;
+
+/******************************************************************************
+ * Event Types
+ *****************************************************************************/
+typedef enum {
+ SIM_AT_EVENT = 0x1, ///< Generic event for delayed tcl commands
+ SIM_BUNDLE_EVENT, ///< Generic event for delayed bundle events
+} sim_event_type_t;
+
+/**
+ * Pretty printer function simulation events.
+ */
+static const char*
+sim_ev2str(sim_event_type_t event) {
+ switch (event) {
+ case SIM_AT_EVENT: return "SIM_AT_EVENT";
+ case SIM_BUNDLE_EVENT: return "SIM_BUNDLE_EVENT";
+ }
+
+ NOTREACHED;
+}
+
+/******************************************************************************
+ * Base Event Class
+ *****************************************************************************/
+class SimEvent {
+public:
+ /**
+ * Constructor
+ */
+ SimEvent(sim_event_type_t type, double time, SimEventHandler *handler)
+ : type_(type), time_(time), handler_(handler), valid_(true) {}
+
+ SimEventHandler* handler() { return handler_; }
+ double time() { return time_ ; }
+ bool is_valid() { return valid_; }
+ sim_event_type_t type() { return type_ ; }
+ const char* type_str() { return sim_ev2str(type_); }
+
+ void cancel() { valid_ = false; }
+
+private:
+ sim_event_type_t type_; ///< Type of the event
+ double time_; ///< Time when the event will fire
+ SimEventHandler* handler_; ///< Handler that will process the event
+ bool valid_; ///< Indicator if the event was cancelled
+};
+
+/******************************************************************************
+ * SimEventCompare
+ *****************************************************************************/
+class SimEventCompare {
+public:
+ /**
+ * The comparator function used in the priority queue.
+ */
+ bool operator () (SimEvent* a, SimEvent* b)
+ {
+ return a->time() > b->time();
+ }
+};
+
+/*******************************************************************
+ * SimAtEvent
+ ******************************************************************/
+class SimAtEvent : public SimEvent {
+public:
+ SimAtEvent(double time, SimEventHandler* handler)
+ : SimEvent(SIM_AT_EVENT, time, handler), objc_(0) {}
+
+ int objc_;
+ Tcl_Obj* objv_[64];
+};
+
+/*******************************************************************
+ * SimBundleEvent
+ ******************************************************************/
+class SimBundleEvent : public SimEvent {
+public:
+ SimBundleEvent(double time, SimEventHandler* handler,
+ dtn::BundleEvent* event)
+ : SimEvent(SIM_BUNDLE_EVENT, time, handler), event_(event) {}
+
+ dtn::BundleEvent* event_;
+};
+
+} // namespace dtnsim
+
+#endif /* _DTN_SIM_EVENT_H_ */