X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=openflowplugin-impl%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fopenflowplugin%2Fimpl%2Fconnection%2FConnectionContextImpl.java;h=3fecb793c5dbb63deb6d838f947b75c12af04e1b;hb=7fffede33481db0b1adf36974a1717c13ae7fdac;hp=43f5d67ad886f8f237e6659d21a104b067731639;hpb=124f8d33c4e428d2fd978a652da29f6da2b66801;p=openflowplugin.git

diff --git a/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/ConnectionContextImpl.java b/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/ConnectionContextImpl.java
index 43f5d67ad8..3fecb793c5 100644
--- a/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/ConnectionContextImpl.java
+++ b/openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/ConnectionContextImpl.java
@@ -5,17 +5,23 @@
  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
  * and is available at http://www.eclipse.org/legal/epl-v10.html
  */
+
 package org.opendaylight.openflowplugin.impl.connection;
 
-import com.google.common.util.concurrent.ListenableFuture;
-import com.google.common.util.concurrent.SettableFuture;
-import java.util.Collection;
+import java.math.BigInteger;
+import java.net.InetSocketAddress;
 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
+import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
+import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueueHandlerRegistration;
 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
-import org.opendaylight.openflowplugin.api.openflow.connection.MultiMsgCollector;
+import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
+import org.opendaylight.openflowplugin.api.openflow.connection.OutboundQueueProvider;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceDisconnectedHandler;
+import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.SessionStatistics;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FeaturesReply;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReply;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  *
@@ -23,16 +29,20 @@ import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731
 public class ConnectionContextImpl implements ConnectionContext {
 
     private final ConnectionAdapter connectionAdapter;
-    private CONNECTION_STATE connectionState;
+    private volatile CONNECTION_STATE connectionState;
     private FeaturesReply featuresReply;
-    private final MultiMsgCollector multipartCollector;
+    private NodeId nodeId;
+    private DeviceDisconnectedHandler deviceDisconnectedHandler;
+    private static final Logger LOG = LoggerFactory.getLogger(ConnectionContextImpl.class);
+    private OutboundQueueProvider outboundQueueProvider;
+    private OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration;
+    private HandshakeContext handshakeContext;
 
     /**
      * @param connectionAdapter
      */
     public ConnectionContextImpl(final ConnectionAdapter connectionAdapter) {
         this.connectionAdapter = connectionAdapter;
-        multipartCollector = new MultiMsgCollectorImpl();
     }
 
     @Override
@@ -40,6 +50,16 @@ public class ConnectionContextImpl implements ConnectionContext {
         return connectionAdapter;
     }
 
+    @Override
+    public OutboundQueue getOutboundQueueProvider() {
+        return this.outboundQueueProvider;
+    }
+
+    @Override
+    public void setOutboundQueueProvider(final OutboundQueueProvider outboundQueueProvider) {
+        this.outboundQueueProvider = outboundQueueProvider;
+    }
+
     @Override
     public CONNECTION_STATE getConnectionState() {
         return connectionState;
@@ -47,13 +67,12 @@ public class ConnectionContextImpl implements ConnectionContext {
 
     @Override
     public NodeId getNodeId() {
-        // TODO Auto-generated method stub
-        return null;
+        return nodeId;
     }
 
     @Override
-    public void setConnectionState(final CONNECTION_STATE connectionState) {
-        this.connectionState = connectionState;
+    public void setNodeId(final NodeId nodeId) {
+        this.nodeId = nodeId;
     }
 
     @Override
@@ -61,24 +80,117 @@ public class ConnectionContextImpl implements ConnectionContext {
         return featuresReply;
     }
 
+    @Override
+    public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
+        this.deviceDisconnectedHandler = deviceDisconnectedHandler;
+    }
+
     @Override
     public void setFeatures(final FeaturesReply featuresReply) {
         this.featuresReply = featuresReply;
+    }
+
+    @Override
+    public void closeConnection(boolean propagate) {
+        if (null == nodeId){
+            SessionStatistics.countEvent(connectionAdapter.getRemoteAddress().toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_OFP);
+        } else {
+            SessionStatistics.countEvent(nodeId.toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_OFP);
+        }
+        final BigInteger datapathId = featuresReply != null ? featuresReply.getDatapathId() : BigInteger.ZERO;
+        LOG.debug("Actively closing connection: {}, datapathId:{}.",
+                connectionAdapter.getRemoteAddress(), datapathId);
+        connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+        unregisterOutboundQueue();
+        closeHandshakeContext();
+
+        if (getConnectionAdapter().isAlive()) {
+            getConnectionAdapter().disconnect();
+        }
+
+        if (propagate) {
+            propagateDeviceDisconnectedEvent();
+        }
+    }
 
+    private void closeHandshakeContext() {
+        if (handshakeContext != null) {
+            try {
+                handshakeContext.close();
+            } catch (Exception e) {
+                LOG.info("handshake context closing failed: ", e);
+            } finally {
+                handshakeContext = null;
+            }
+        }
+    }
+
+    @Override
+    public void onConnectionClosed() {
+        if (null == nodeId){
+            SessionStatistics.countEvent(connectionAdapter.getRemoteAddress().toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_DEVICE);
+        } else {
+            SessionStatistics.countEvent(nodeId.toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_DEVICE);
+        }
+        connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+        final InetSocketAddress remoteAddress = connectionAdapter.getRemoteAddress();
+        final Short auxiliaryId;
+        if (null != getFeatures() && null != getFeatures().getAuxiliaryId()) {
+            auxiliaryId = getFeatures().getAuxiliaryId();
+        } else {
+            auxiliaryId = 0;
+        }
+
+        LOG.debug("disconnecting: node={}|auxId={}|connection state = {}",
+                remoteAddress,
+                auxiliaryId,
+                getConnectionState());
+
+        unregisterOutboundQueue();
+        closeHandshakeContext();
+        propagateDeviceDisconnectedEvent();
+    }
+
+    private void propagateDeviceDisconnectedEvent() {
+        if (null != deviceDisconnectedHandler) {
+            final BigInteger datapathId = featuresReply != null ? featuresReply.getDatapathId() : BigInteger.ZERO;
+            LOG.debug("Propagating connection closed event: {}, datapathId:{}.",
+                    connectionAdapter.getRemoteAddress(), datapathId);
+            deviceDisconnectedHandler.onDeviceDisconnected(this);
+        }
+    }
+
+    @Override
+    public void setOutboundQueueHandleRegistration(OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration) {
+        this.outboundQueueHandlerRegistration = outboundQueueHandlerRegistration;
+    }
+
+    private void unregisterOutboundQueue() {
+        if (outboundQueueHandlerRegistration != null) {
+            outboundQueueHandlerRegistration.close();
+            outboundQueueHandlerRegistration = null;
+        }
+    }
+
+    @Override
+    public synchronized void changeStateToHandshaking() {
+        connectionState = CONNECTION_STATE.HANDSHAKING;
     }
 
     @Override
-    public ListenableFuture<Collection<MultipartReply>> registerMultipartMsg(final long xid) {
-        return multipartCollector.registerMultipartMsg(xid);
+    public synchronized void changeStateToTimeouting() {
+        connectionState = CONNECTION_STATE.TIMEOUTING;
     }
 
     @Override
-    public void addMultipartMsg(final MultipartReply reply) {
-        multipartCollector.addMultipartMsg(reply);
+    public synchronized void changeStateToWorking() {
+        connectionState = CONNECTION_STATE.WORKING;
     }
 
     @Override
-    public void registerMultipartFutureMsg(final long xid, final SettableFuture<Collection<MultipartReply>> future) {
-        multipartCollector.registerMultipartFutureMsg(xid, future);
+    public void setHandshakeContext(HandshakeContext handshakeContext) {
+        this.handshakeContext = handshakeContext;
     }
 }