--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sim/SimConvergenceLayer.h	Thu Apr 21 14:57:45 2011 +0100
@@ -0,0 +1,72 @@
+/*
+ *    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 _SIM_CONVERGENCE_LAYER_H_
+#define _SIM_CONVERGENCE_LAYER_H_
+
+
+#include "conv_layers/ConvergenceLayer.h"
+
+using namespace dtn;
+
+namespace dtnsim {
+
+struct ConnState;
+class Node;
+
+/**
+ * Simulator implementation of the Convergence Layer API.
+ */
+class SimConvergenceLayer : public ConvergenceLayer {
+    
+public:
+    /**
+     * Singleton initializer.
+     */
+    static void init()
+    {
+        instance_ = new SimConvergenceLayer();
+    }
+
+    /**
+     * Singleton accessor
+     */
+    static SimConvergenceLayer* instance() { return instance_; }
+
+    /**
+     * Constructor.
+     */
+    SimConvergenceLayer();
+
+    /// @{
+    /// Virtual from ConvergenceLayer
+    bool init_link(const LinkRef& link, int argc, const char* argv[]);
+    void delete_link(const LinkRef& link);
+    bool open_contact(const ContactRef& contact);
+    void bundle_queued(const LinkRef& link, const BundleRef& bundle);
+    /// @}
+
+    void update_connectivity(Node* n1, Node* n2, const ConnState& cs);
+    
+protected:
+    void start_bundle(const LinkRef& link, const BundleRef& bundle);
+    
+    static SimConvergenceLayer* instance_;
+};
+
+} // namespace dtnsim
+
+#endif /* _SIM_CONVERGENCE_LAYER_H_ */