Minor log msg changes
[controller.git] / opendaylight / protocol_plugins / openflow / src / main / java / org / opendaylight / controller / protocol_plugin / openflow / core / internal / Controller.java
index 2863070cc5a7a34ff0f2d95475cd5a9359a443f3..72ee7a679b010400e342047278136e2c73aa3a09 100644 (file)
@@ -13,15 +13,15 @@ import java.nio.channels.SelectionKey;
 import java.nio.channels.Selector;
 import java.nio.channels.ServerSocketChannel;
 import java.nio.channels.SocketChannel;
+import java.util.Comparator;
 import java.util.Date;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
-import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.ConcurrentMap;
-import java.util.concurrent.LinkedBlockingQueue;
+import java.util.concurrent.PriorityBlockingQueue;
 import java.util.concurrent.atomic.AtomicInteger;
 
 import org.eclipse.osgi.framework.console.CommandInterpreter;
@@ -30,6 +30,11 @@ import org.opendaylight.controller.protocol_plugin.openflow.core.IController;
 import org.opendaylight.controller.protocol_plugin.openflow.core.IMessageListener;
 import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitch;
 import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitchStateListener;
+import org.opendaylight.controller.sal.connection.ConnectionConstants;
+import org.opendaylight.controller.sal.connection.IPluginInConnectionService;
+import org.opendaylight.controller.sal.core.Node;
+import org.opendaylight.controller.sal.utils.Status;
+import org.opendaylight.controller.sal.utils.StatusCode;
 import org.openflow.protocol.OFMessage;
 import org.openflow.protocol.OFType;
 import org.openflow.util.HexString;
@@ -38,18 +43,21 @@ import org.osgi.framework.FrameworkUtil;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class Controller implements IController, CommandProvider {
+public class Controller implements IController, CommandProvider, IPluginInConnectionService {
     private static final Logger logger = LoggerFactory
             .getLogger(Controller.class);
     private ControllerIO controllerIO;
     private Thread switchEventThread;
     private ConcurrentHashMap<Long, ISwitch> switches;
-    private BlockingQueue<SwitchEvent> switchEvents;
+    private PriorityBlockingQueue<SwitchEvent> switchEvents;
     // only 1 message listener per OFType
     private ConcurrentMap<OFType, IMessageListener> messageListeners;
     // only 1 switch state listener
     private ISwitchStateListener switchStateListener;
     private AtomicInteger switchInstanceNumber;
+    private int MAXQUEUESIZE = 50000;
+
+    private static enum SwitchEventPriority { LOW, NORMAL, HIGH }
 
     /*
      * this thread monitors the switchEvents queue for new incoming events from
@@ -107,12 +115,17 @@ public class Controller implements IController, CommandProvider {
     /**
      * Function called by the dependency manager when all the required
      * dependencies are satisfied
-     * 
+     *
      */
     public void init() {
         logger.debug("Initializing!");
         this.switches = new ConcurrentHashMap<Long, ISwitch>();
-        this.switchEvents = new LinkedBlockingQueue<SwitchEvent>();
+        this.switchEvents = new PriorityBlockingQueue<SwitchEvent>(MAXQUEUESIZE, new Comparator<SwitchEvent>() {
+            @Override
+            public int compare(SwitchEvent p1, SwitchEvent p2) {
+                return p2.getPriority() - p1.getPriority();
+            }
+        });
         this.messageListeners = new ConcurrentHashMap<OFType, IMessageListener>();
         this.switchStateListener = null;
         this.switchInstanceNumber = new AtomicInteger(0);
@@ -122,7 +135,7 @@ public class Controller implements IController, CommandProvider {
     /**
      * Function called by dependency manager after "init ()" is called and after
      * the services provided by the class are registered in the service registry
-     * 
+     *
      */
     public void start() {
         logger.debug("Starting!");
@@ -145,7 +158,7 @@ public class Controller implements IController, CommandProvider {
      * Function called by the dependency manager before the services exported by
      * the component are unregistered, this will be followed by a "destroy ()"
      * calls
-     * 
+     *
      */
     public void stop() {
         for (Iterator<Entry<Long, ISwitch>> it = switches.entrySet().iterator(); it
@@ -166,7 +179,7 @@ public class Controller implements IController, CommandProvider {
      * Function called by the dependency manager when at least one dependency
      * become unsatisfied or when the component is shutting down because for
      * example bundle is being stopped.
-     * 
+     *
      */
     public void destroy() {
     }
@@ -220,11 +233,10 @@ public class Controller implements IController, CommandProvider {
             // create new switch
             int i = this.switchInstanceNumber.addAndGet(1);
             String instanceName = "SwitchHandler-" + i;
-            SwitchHandler switchHandler = new SwitchHandler(this, sc,
-                    instanceName);
+            SwitchHandler switchHandler = new SwitchHandler(this, sc, instanceName);
             switchHandler.start();
             if (sc.isConnected()) {
-                logger.info("Switch:{} is connected to the Controller", 
+                logger.info("Switch:{} is connected to the Controller",
                         sc.socket().getRemoteSocketAddress()
                         .toString().split("/")[1]);
             }
@@ -238,7 +250,7 @@ public class Controller implements IController, CommandProvider {
         if (((SwitchHandler) sw).isOperational()) {
             Long sid = sw.getId();
             if (this.switches.remove(sid, sw)) {
-                logger.warn("{} is Disconnected", sw);
+                logger.info("{} is removed", sw);
                 notifySwitchDeleted(sw);
             }
         }
@@ -259,35 +271,31 @@ public class Controller implements IController, CommandProvider {
     }
 
     private synchronized void addSwitchEvent(SwitchEvent event) {
-        try {
-            this.switchEvents.put(event);
-        } catch (InterruptedException e) {
-            logger.debug("SwitchEvent caught Interrupt Exception");
-        }
+        this.switchEvents.put(event);
     }
 
     public void takeSwitchEventAdd(ISwitch sw) {
-        SwitchEvent ev = new SwitchEvent(
-                SwitchEvent.SwitchEventType.SWITCH_ADD, sw, null);
+        SwitchEvent ev = new SwitchEvent(SwitchEvent.SwitchEventType.SWITCH_ADD, sw, null,
+                SwitchEventPriority.HIGH.ordinal());
         addSwitchEvent(ev);
     }
 
     public void takeSwitchEventDelete(ISwitch sw) {
-        SwitchEvent ev = new SwitchEvent(
-                SwitchEvent.SwitchEventType.SWITCH_DELETE, sw, null);
+        SwitchEvent ev = new SwitchEvent(SwitchEvent.SwitchEventType.SWITCH_DELETE, sw, null,
+                SwitchEventPriority.HIGH.ordinal());
         addSwitchEvent(ev);
     }
 
     public void takeSwitchEventError(ISwitch sw) {
-        SwitchEvent ev = new SwitchEvent(
-                SwitchEvent.SwitchEventType.SWITCH_ERROR, sw, null);
+        SwitchEvent ev = new SwitchEvent(SwitchEvent.SwitchEventType.SWITCH_ERROR, sw, null,
+                SwitchEventPriority.NORMAL.ordinal());
         addSwitchEvent(ev);
     }
 
     public void takeSwitchEventMsg(ISwitch sw, OFMessage msg) {
         if (messageListeners.get(msg.getType()) != null) {
-            SwitchEvent ev = new SwitchEvent(
-                    SwitchEvent.SwitchEventType.SWITCH_MESSAGE, sw, msg);
+            SwitchEvent ev = new SwitchEvent(SwitchEvent.SwitchEventType.SWITCH_MESSAGE, sw, msg,
+                    SwitchEventPriority.LOW.ordinal());
             addSwitchEvent(ev);
         }
     }
@@ -302,6 +310,10 @@ public class Controller implements IController, CommandProvider {
         return this.switches.get(switchId);
     }
 
+    public void _controllerShowQueueSize(CommandInterpreter ci) {
+        ci.print("switchEvents queue size: " + switchEvents.size() + "\n");
+    }
+
     public void _controllerShowSwitches(CommandInterpreter ci) {
         Set<Long> sids = switches.keySet();
         StringBuffer s = new StringBuffer();
@@ -344,12 +356,12 @@ public class Controller implements IController, CommandProvider {
             String keyStoreFile = System.getProperty("controllerKeyStore");
             String trustStoreFile = System.getProperty("controllerTrustStore");
             if ((keyStoreFile == null) || keyStoreFile.trim().isEmpty()) {
-                ci.print("controllerKeyStore not specified in ./configuration/config.ini\n");
+                ci.print("controllerKeyStore not specified\n");
             } else {
                 ci.print("controllerKeyStore=" + keyStoreFile + "\n");
             }
             if ((trustStoreFile == null) || trustStoreFile.trim().isEmpty()) {
-                ci.print("controllerTrustStore not specified in ./configuration/config.ini\n");
+                ci.print("controllerTrustStore not specified\n");
             } else {
                 ci.print("controllerTrustStore=" + trustStoreFile + "\n");
             }
@@ -372,6 +384,37 @@ public class Controller implements IController, CommandProvider {
         help.append("\t controllerShowSwitches\n");
         help.append("\t controllerReset\n");
         help.append("\t controllerShowConnConfig\n");
+        help.append("\t controllerShowQueueSize\n");
         return help.toString();
     }
+
+    @Override
+    public Status disconnect(Node node) {
+        ISwitch sw = getSwitch((Long) node.getID());
+        if (sw != null) disconnectSwitch(sw);
+        return new Status(StatusCode.SUCCESS);
+    }
+
+    @Override
+    public Node connect(String connectionIdentifier, Map<ConnectionConstants, String> params) {
+        return null;
+    }
+
+    /**
+     * View Change notification
+     */
+    public void notifyClusterViewChanged() {
+        for (ISwitch sw : switches.values()) {
+            notifySwitchAdded(sw);
+        }
+    }
+
+    /**
+     * Node Disconnected from the node's master controller.
+     */
+    @Override
+    public void notifyNodeDisconnectFromMaster(Node node) {
+        ISwitch sw = switches.get((Long)node.getID());
+        if (sw != null) notifySwitchAdded(sw);
+    }
 }