--- /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_ */