-/**
- * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
+/* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
package org.opendaylight.openflowjava.protocol.impl.connection;
import io.netty.util.concurrent.GenericFutureListener;
import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import org.opendaylight.controller.sal.common.util.RpcErrors;
import org.opendaylight.controller.sal.common.util.Rpcs;
-import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
+import org.opendaylight.openflowjava.protocol.api.connection.ConnectionReadyListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.BarrierOutput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.EchoInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.SetAsyncInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.SetConfigInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.TableModInput;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.DisconnectEvent;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SwitchIdleEvent;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SystemNotificationsListener;
+import org.opendaylight.yangtools.yang.binding.DataContainer;
import org.opendaylight.yangtools.yang.binding.DataObject;
import org.opendaylight.yangtools.yang.binding.Notification;
import org.opendaylight.yangtools.yang.common.RpcError;
/**
* @author mirehak
- *
+ * @author michal.polkorab
*/
-public class ConnectionAdapterImpl implements ConnectionAdapter, MessageConsumer {
+public class ConnectionAdapterImpl implements ConnectionFacade {
/** after this time, rpc future response objects will be thrown away (in minutes) */
public static final int RPC_RESPONSE_EXPIRATION = 1;
private OpenflowProtocolListener messageListener;
/** expiring cache for future rpcResponses */
protected Cache<RpcResponseKey, SettableFuture<?>> responseCache;
-
-
+ private SystemNotificationsListener systemListener;
+ private boolean disconnectOccured = false;
+
+ protected ConnectionReadyListener connectionReadyListener;
+
/**
* default ctor
*/
responseCache = CacheBuilder.newBuilder()
.concurrencyLevel(1)
.expireAfterWrite(RPC_RESPONSE_EXPIRATION, TimeUnit.MINUTES)
- .removalListener(new RemovalListener<RpcResponseKey, SettableFuture<?>>() {
-
- @Override
- public void onRemoval(
- RemovalNotification<RpcResponseKey, SettableFuture<?>> notification) {
- LOG.warn("rpc response discarded: "+notification.getKey());
- notification.getValue().cancel(true);
- }
- }).build();
+ .removalListener(new ResponseRemovalListener()).build();
+ LOG.debug("ConnectionAdapter created");
}
/**
- * @param channel the channel to set
+ * @param channel the channel to be set - used for communication
*/
public void setChannel(Channel channel) {
this.channel = channel;
@Override
public Future<Boolean> disconnect() {
ChannelFuture disconnectResult = channel.disconnect();
-
+ responseCache.invalidateAll();
+ disconnectOccured = true;
+
String failureInfo = "switch disconnecting failed";
ErrorSeverity errorSeverity = ErrorSeverity.ERROR;
String message = "Check the switch connection";
@Override
public void consume(DataObject message) {
+ LOG.debug("ConsumeIntern msg");
+ if (disconnectOccured ) {
+ return;
+ }
if (message instanceof Notification) {
- if (message instanceof EchoRequestMessage) {
+ // System events
+ if (message instanceof DisconnectEvent) {
+ systemListener.onDisconnectEvent((DisconnectEvent) message);
+ responseCache.invalidateAll();
+ disconnectOccured = true;
+ } else if (message instanceof SwitchIdleEvent) {
+ systemListener.onSwitchIdleEvent((SwitchIdleEvent) message);
+ }
+ // OpenFlow messages
+ else if (message instanceof EchoRequestMessage) {
messageListener.onEchoRequestMessage((EchoRequestMessage) message);
} else if (message instanceof ErrorMessage) {
messageListener.onErrorMessage((ErrorMessage) message);
} else if (message instanceof FlowRemovedMessage) {
messageListener.onFlowRemovedMessage((FlowRemovedMessage) message);
} else if (message instanceof HelloMessage) {
+ LOG.info("Hello received / branch");
messageListener.onHelloMessage((HelloMessage) message);
} else if (message instanceof MultipartReplyMessage) {
messageListener.onMultipartReplyMessage((MultipartReplyMessage) message);
}
} else {
if (message instanceof OfHeader) {
+ LOG.debug("OFheader msg received");
RpcResponseKey key = createRpcResponseKey((OfHeader) message);
- SettableFuture<RpcResult<?>> rpcFuture = findRpcResponse(key);
+ final SettableFuture<RpcResult<?>> rpcFuture = findRpcResponse(key);
if (rpcFuture != null) {
- rpcFuture.set(Rpcs.getRpcResult(true, message, null));
+ LOG.debug("corresponding rpcFuture found");
+ List<RpcError> errors = Collections.emptyList();
+ LOG.debug("before setting rpcFuture");
+ rpcFuture.set(Rpcs.getRpcResult(true, message, errors));
+ LOG.debug("after setting rpcFuture");
responseCache.invalidate(key);
} else {
LOG.warn("received unexpected rpc response: "+key);
}
-
} else {
LOG.warn("message listening not supported for type: "+message.getClass());
}
*/
private SettableFuture<RpcResult<Void>> sendToSwitchFuture(
DataObject input, final String failureInfo) {
+ LOG.debug("going to flush");
ChannelFuture resultFuture = channel.writeAndFlush(input);
+ LOG.debug("flushed");
ErrorSeverity errorSeverity = ErrorSeverity.ERROR;
String errorMessage = "check switch connection";
*/
private <IN extends OfHeader, OUT extends OfHeader> SettableFuture<RpcResult<OUT>> sendToSwitchExpectRpcResultFuture(
IN input, Class<OUT> responseClazz, final String failureInfo) {
+ LOG.debug("going to flush");
+ SettableFuture<RpcResult<OUT>> rpcResult = SettableFuture.create();
+ RpcResponseKey key = new RpcResponseKey(input.getXid(), responseClazz);
+ responseCache.put(key, rpcResult);
ChannelFuture resultFuture = channel.writeAndFlush(input);
+ LOG.debug("flushed");
ErrorSeverity errorSeverity = ErrorSeverity.ERROR;
String errorMessage = "check switch connection";
+
return handleRpcChannelFutureWithResponse(resultFuture, failureInfo, errorSeverity,
- errorMessage, input, responseClazz);
+ errorMessage, input, responseClazz, rpcResult, key);
}
/**
final ErrorSeverity errorSeverity, final String errorMessage) {
final SettableFuture<RpcResult<Void>> rpcResult = SettableFuture.create();
-
+ LOG.debug("handlerpcchannelfuture");
resultFuture.addListener(new GenericFutureListener<io.netty.util.concurrent.Future<? super Void>>() {
@Override
public void operationComplete(
io.netty.util.concurrent.Future<? super Void> future)
throws Exception {
- Collection<RpcError> errors = null;
+ LOG.debug("operation complete");
+ Collection<RpcError> errors = Collections.emptyList();
if (future.cause() != null) {
+ LOG.debug("future.cause != null");
RpcError rpcError = buildRpcError(failureInfo,
errorSeverity, errorMessage, future.cause());
errors = Lists.newArrayList(rpcError);
}
/**
- * @param input
- * @param responseClazz
* @param resultFuture
* @param failureInfo
* @param errorSeverity
* @param errorMessage
+ * @param input
+ * @param responseClazz
+ * @param key of rpcResponse
* @return
*/
private <IN extends OfHeader, OUT extends OfHeader> SettableFuture<RpcResult<OUT>> handleRpcChannelFutureWithResponse(
ChannelFuture resultFuture, final String failureInfo,
final ErrorSeverity errorSeverity, final String errorMessage,
- final IN input, Class<OUT> responseClazz) {
- final SettableFuture<RpcResult<OUT>> rpcResult = SettableFuture.create();
+ final IN input, Class<OUT> responseClazz, final SettableFuture<RpcResult<OUT>> rpcResult, final RpcResponseKey key) {
+ LOG.debug("handleRpcchanfuture with response");
resultFuture.addListener(new GenericFutureListener<io.netty.util.concurrent.Future<? super Void>>() {
io.netty.util.concurrent.Future<? super Void> future)
throws Exception {
+ LOG.debug("operation complete");
+ Collection<RpcError> errors = Collections.emptyList();
if (future.cause() != null) {
- Collection<RpcError> errors = null;
+ LOG.debug("ChannelFuture.cause != null");
RpcError rpcError = buildRpcError(failureInfo,
errorSeverity, errorMessage, future.cause());
errors = Lists.newArrayList(rpcError);
(OUT) null,
errors)
);
+ responseCache.invalidate(key);
} else {
- RpcResponseKey key = new RpcResponseKey(input.getXid(), input.getClass().toString());
- if (responseCache.getIfPresent(key) != null) {
- responseCache.invalidate(key);
+ LOG.debug("ChannelFuture.cause == null");
+ if (responseCache.getIfPresent(key) == null) {
+ LOG.debug("responcache: key wasn't present");
}
- responseCache.put(key, rpcResult);
}
}
});
io.netty.util.concurrent.Future<? super Void> future)
throws Exception {
transportResult.set(future.isSuccess());
- transportResult.setException(future.cause());
+ if (!future.isSuccess()) {
+ transportResult.setException(future.cause());
+ }
}
});
return transportResult;
* @return
*/
private static RpcResponseKey createRpcResponseKey(OfHeader message) {
- return new RpcResponseKey(message.getXid(), message.getClass().toString());
+ return new RpcResponseKey(message.getXid(), message.getClass());
}
/**
return (SettableFuture<RpcResult<?>>) responseCache.getIfPresent(key);
}
+ @Override
+ public void setSystemListener(SystemNotificationsListener systemListener) {
+ this.systemListener = systemListener;
+ }
+
+ @Override
+ public void checkListeners() {
+ StringBuffer buffer = new StringBuffer();
+ if (systemListener == null) {
+ buffer.append("SystemListener ");
+ }
+ if (messageListener == null) {
+ buffer.append("MessageListener ");
+ }
+ if (connectionReadyListener == null) {
+ buffer.append("ConnectionReadyListener ");
+ }
+
+ if (buffer.length() > 0) {
+ throw new IllegalStateException("Missing listeners: " + buffer.toString());
+ }
+ }
+
+ static class ResponseRemovalListener implements RemovalListener<RpcResponseKey, SettableFuture<?>> {
+ @Override
+ public void onRemoval(
+ RemovalNotification<RpcResponseKey, SettableFuture<?>> notification) {
+ SettableFuture<?> future = notification.getValue();
+ if (!future.isDone()) {
+ LOG.warn("rpc response discarded: " + notification.getKey());
+ future.cancel(true);
+ }
+ }
+ }
+
+ /**
+ * Class is used ONLY for exiting msgQueue processing thread
+ * @author michal.polkorab
+ */
+ static class ExitingDataObject implements DataObject {
+ @Override
+ public Class<? extends DataContainer> getImplementedInterface() {
+ return null;
+ }
+ }
+
+ @Override
+ public void fireConnectionReadyNotification() {
+ new Thread(new Runnable() {
+ @Override
+ public void run() {
+ connectionReadyListener.onConnectionReady();
+ }
+ }).start();
+ }
+
+
+ @Override
+ public void setConnectionReadyListener(
+ ConnectionReadyListener connectionReadyListener) {
+ this.connectionReadyListener = connectionReadyListener;
+ }
+
}
Code Review / openflowjava.git / blobdiff