BSC-3397 Add writeThrottled() for list of messages

src/main/java/net/floodlightcontroller/core/IOFSwitch.java

@@ -116,6 +116,17 @@ public interface IOFSwitch {
      */
     public void writeThrottled(OFMessage msg, FloodlightContext cntx) throws IOException;
 
+    /**
+     * Writes the list of messages to the output stream, subject to rate limiting.
+     * The message will be handed to the floodlightProvider for possible filtering
+     * and processing by message listeners.
+     * @param msglist
+     * @param bc
+     * @throws IOException
+     */
+    void writeThrottled(List<OFMessage> msglist, FloodlightContext bc)
+            throws IOException;
+
     /**
      * Writes to the OFMessage to the output stream, bypassing rate limiting.
      * The message will be handed to the floodlightProvider for possible filtering
@@ -127,7 +138,7 @@ public interface IOFSwitch {
     public void write(OFMessage m, FloodlightContext bc) throws IOException; 
     
     /**
-     * Writes the list of messages to the output stream
+     * Writes the list of messages to the output stream, bypassing rate limiting.
      * The message will be handed to the floodlightProvider for possible filtering
      * and processing by message listeners.
      * @param msglist
@@ -498,5 +509,4 @@ public interface IOFSwitch {
      * @return
      */
     public List<Short> getUplinkPorts();
-    
 }

src/main/java/net/floodlightcontroller/core/OFSwitchBase.java

@@ -190,6 +190,13 @@ public abstract class OFSwitchBase implements IOFSwitch {
         write(m, bc);
     }
 
+    @Override
+    public void writeThrottled(List<OFMessage> msglist, FloodlightContext bc)
+            throws IOException {
+        // By default, there is no throttling
+        write(msglist, bc);
+    }
+
     @Override
     public void write(OFMessage m, FloodlightContext bc)
             throws IOException {
@@ -209,7 +216,6 @@ public abstract class OFSwitchBase implements IOFSwitch {
             msg_buffer.clear();
         }
     }
-
     @Override
     @LogMessageDoc(level="WARN",
                    message="Sending OF message that modifies switch " +

src/test/java/net/floodlightcontroller/util/OFMessageDamperMockSwitch.java

@@ -111,6 +111,13 @@ public class OFMessageDamperMockSwitch implements IOFSwitch {
     
     //-------------------------------------------------------
     // IOFSwitch: not-implemented methods
+
+    @Override
+    public void writeThrottled(List<OFMessage> msglist, FloodlightContext bc)
+            throws IOException {
+        assertTrue("Unexpected method call", false);
+    }
+
     @Override
     public void write(List<OFMessage> msglist, FloodlightContext bc) 
             throws IOException {