X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fprotocol_plugins%2Fopenflow%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fprotocol_plugin%2Fopenflow%2Fcore%2Finternal%2FSwitchHandler.java;h=5913ad0dd960036f3362c5e2325d0af5209529ab;hb=refs%2Fchanges%2F00%2F200%2F1;hp=cba8b1d4f17c38a9d232e1b54a3463c96cfe8dbf;hpb=b4909e4603dc3989463e1a0d86b6007219eb472f;p=controller.git

diff --git a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/SwitchHandler.java b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/SwitchHandler.java
index cba8b1d4f1..5913ad0dd9 100644
--- a/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/SwitchHandler.java
+++ b/opendaylight/protocol_plugins/openflow/src/main/java/org/opendaylight/controller/protocol_plugin/openflow/core/internal/SwitchHandler.java
@@ -9,7 +9,7 @@
 
 package org.opendaylight.controller.protocol_plugin.openflow.core.internal;
 
-import java.io.IOException;
+import java.net.SocketException;
 import java.nio.channels.AsynchronousCloseException;
 import java.nio.channels.SelectionKey;
 import java.nio.channels.Selector;
@@ -249,7 +249,9 @@ public class SwitchHandler implements ISwitch {
     @Override
     public Integer asyncSend(OFMessage msg, int xid) {
     	msg.setXid(xid);
-    	transmitQ.add(new PriorityMessage(msg, 0));
+    	if (transmitQ != null) {
+    		transmitQ.add(new PriorityMessage(msg, 0));
+    	}
         return xid;
     }
 
@@ -280,13 +282,17 @@ public class SwitchHandler implements ISwitch {
     @Override
     public Integer asyncFastSend(OFMessage msg, int xid) {
     	msg.setXid(xid);
-    	transmitQ.add(new PriorityMessage(msg, 1));
+    	if (transmitQ != null) {
+    		transmitQ.add(new PriorityMessage(msg, 1));
+    	}
         return xid;
     }
 
    public void resumeSend() {
         try {
-			msgReadWriteService.resumeSend();
+        	if (msgReadWriteService != null) {
+        		msgReadWriteService.resumeSend();
+        	}
 		} catch (Exception e) {
 			reportError(e);
 		}
@@ -445,7 +451,9 @@ public class SwitchHandler implements ISwitch {
     }
 
     private void reportError(Exception e) {
-    	if (e instanceof AsynchronousCloseException) {
+    	if (e instanceof AsynchronousCloseException ||
+        	e instanceof InterruptedException ||
+    		e instanceof SocketException) {
     		logger.debug("Caught exception {}", e.getMessage());
     	} else {
     		logger.warn("Caught exception {}", e.getMessage());
@@ -739,6 +747,8 @@ public class SwitchHandler implements ISwitch {
             			logger.trace("Message sent: {}", pmsg.toString());
             		}
             		Thread.sleep(10);
+            	} catch (InterruptedException ie) {
+            		reportError(new InterruptedException("PriorityMessageTransmit thread interrupted"));
             	} catch (Exception e) {
             		reportError(e);
             	}