-/* Copyright (C)2013 Pantheon Technologies, s.r.o. All rights reserved. */
+/*
+ * Copyright (c) 2013 Pantheon Technologies s.r.o. 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
+ */
+
package org.opendaylight.openflowjava.protocol.impl.connection;
import org.opendaylight.controller.sal.common.util.RpcErrors;
import org.opendaylight.controller.sal.common.util.Rpcs;
+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.HelloMessage;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MeterModInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartReplyMessage;
-import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestMessage;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.MultipartRequestInput;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OfHeader;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OpenflowProtocolListener;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.PacketInMessage;
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;
import com.google.common.util.concurrent.SettableFuture;
/**
+ * Handles messages (notifications + rpcs) and connections
* @author mirehak
* @author michal.polkorab
*/
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;
protected static final Logger LOG = LoggerFactory
.getLogger(ConnectionAdapterImpl.class);
-
+
private static final String APPLICATION_TAG = "OPENFLOW_LIBRARY";
private static final String TAG = "OPENFLOW";
private Channel channel;
protected Cache<RpcResponseKey, SettableFuture<?>> responseCache;
private SystemNotificationsListener systemListener;
private boolean disconnectOccured = false;
-
+
+ protected ConnectionReadyListener connectionReadyListener;
+
/**
- * default ctor
+ * default ctor
*/
public ConnectionAdapterImpl() {
responseCache = CacheBuilder.newBuilder()
.concurrencyLevel(1)
.expireAfterWrite(RPC_RESPONSE_EXPIRATION, TimeUnit.MINUTES)
.removalListener(new ResponseRemovalListener()).build();
- LOG.info("ConnectionAdapter created");
-
-
+ LOG.debug("ConnectionAdapter created");
}
-
+
/**
* @param channel the channel to be set - used for communication
*/
return sendToSwitchFuture(input, "packet-out-input sending failed");
}
+ @Override
+ public Future<RpcResult<Void>> multipartRequest(MultipartRequestInput input) {
+ return sendToSwitchFuture(input, "multi-part-request sending failed");
+ }
+
@Override
public Future<RpcResult<Void>> portMod(PortModInput input) {
return sendToSwitchFuture(input, "port-mod-input sending failed");
public void setMessageListener(OpenflowProtocolListener messageListener) {
this.messageListener = messageListener;
}
-
+
@Override
- public void consume(final DataObject message) {
- LOG.debug("Consume msg");
+ public void consume(DataObject message) {
+ LOG.debug("ConsumeIntern msg");
if (disconnectOccured ) {
return;
}
messageListener.onHelloMessage((HelloMessage) message);
} else if (message instanceof MultipartReplyMessage) {
messageListener.onMultipartReplyMessage((MultipartReplyMessage) message);
- } else if (message instanceof MultipartRequestMessage) {
- messageListener.onMultipartRequestMessage((MultipartRequestMessage) message);
} else if (message instanceof PacketInMessage) {
messageListener.onPacketInMessage((PacketInMessage) message);
} else if (message instanceof PortStatusMessage) {
final SettableFuture<RpcResult<?>> rpcFuture = findRpcResponse(key);
if (rpcFuture != null) {
LOG.debug("corresponding rpcFuture found");
- new Thread(new Runnable() {
- @Override
- public void run() {
- List<RpcError> errors = Collections.emptyList();
- LOG.debug("before setting rpcFuture");
- rpcFuture.set(Rpcs.getRpcResult(true, message, errors));
- LOG.debug("after setting rpcFuture");
- }
- }).start();
+ 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);
/**
* sends given message to switch, sending result will be reported via return value
* @param input message to send
- * @param failureInfo describes, what type of message caused failure by sending
+ * @param failureInfo describes, what type of message caused failure by sending
* @return future object, <ul>
- * <li>if send successful, {@link RpcResult} without errors and successful
+ * <li>if send successful, {@link RpcResult} without errors and successful
* status will be returned, </li>
* <li>else {@link RpcResult} will contain errors and failed status</li>
- * </ul>
+ * </ul>
*/
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";
return handleRpcChannelFuture(resultFuture, failureInfo, errorSeverity, errorMessage);
}
-
+
/**
* sends given message to switch, sending result or switch response will be reported via return value
* @param input message to send
* @param responseClazz type of response
- * @param failureInfo describes, what type of message caused failure by sending
+ * @param failureInfo describes, what type of message caused failure by sending
* @return future object, <ul>
* <li>if send fails, {@link RpcResult} will contain errors and failed status </li>
- * <li>else {@link RpcResult} will be stored in responseCache and wait for particular timeout
- * ({@link ConnectionAdapterImpl#RPC_RESPONSE_EXPIRATION}),
+ * <li>else {@link RpcResult} will be stored in responseCache and wait for particular timeout
+ * ({@link ConnectionAdapterImpl#RPC_RESPONSE_EXPIRATION}),
* <ul><li>either switch will manage to answer
* and then corresponding response message will be set into returned future</li>
* <li>or response in cache will expire and returned future will be cancelled</li></ul>
* </li>
- * </ul>
+ * </ul>
*/
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);
+ RpcResponseKey key = new RpcResponseKey(input.getXid(), responseClazz.getName());
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,
+
+ return handleRpcChannelFutureWithResponse(resultFuture, failureInfo, errorSeverity,
errorMessage, input, responseClazz, rpcResult, key);
}
* @return
*/
private SettableFuture<RpcResult<Void>> handleRpcChannelFuture(
- ChannelFuture resultFuture, final String failureInfo,
+ ChannelFuture resultFuture, final String failureInfo,
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 {
LOG.debug("operation complete");
Collection<RpcError> errors = Collections.emptyList();
-
+
if (future.cause() != null) {
LOG.debug("future.cause != null");
- RpcError rpcError = buildRpcError(failureInfo,
+ RpcError rpcError = buildRpcError(failureInfo,
errorSeverity, errorMessage, future.cause());
errors = Lists.newArrayList(rpcError);
}
-
+
rpcResult.set(Rpcs.getRpcResult(
- future.isSuccess(),
- (Void) null,
+ future.isSuccess(),
+ (Void) null,
errors)
);
}
});
return rpcResult;
}
-
+
/**
* @param resultFuture
* @param failureInfo
* @param errorMessage
* @param input
* @param responseClazz
- * @param key TODO
- * @param future TODO
+ * @param key of rpcResponse
* @return
*/
private <IN extends OfHeader, OUT extends OfHeader> SettableFuture<RpcResult<OUT>> handleRpcChannelFutureWithResponse(
final ErrorSeverity errorSeverity, final String errorMessage,
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>>() {
-
+
@Override
public void operationComplete(
io.netty.util.concurrent.Future<? super Void> future)
throws Exception {
-
+
LOG.debug("operation complete");
Collection<RpcError> errors = Collections.emptyList();
if (future.cause() != null) {
LOG.debug("ChannelFuture.cause != null");
- RpcError rpcError = buildRpcError(failureInfo,
+ RpcError rpcError = buildRpcError(failureInfo,
errorSeverity, errorMessage, future.cause());
errors = Lists.newArrayList(rpcError);
rpcResult.set(Rpcs.getRpcResult(
- future.isSuccess(),
- (OUT) null,
+ future.isSuccess(),
+ (OUT) null,
errors)
);
responseCache.invalidate(key);
/**
* @param resultFuture
* @param failureInfo
- * @param errorSeverity
- * @param message
+ * @param errorSeverity
+ * @param message
* @return
*/
private static SettableFuture<Boolean> handleTransportChannelFuture(
- ChannelFuture resultFuture, final String failureInfo,
+ ChannelFuture resultFuture, final String failureInfo,
final ErrorSeverity errorSeverity, final String message) {
-
+
final SettableFuture<Boolean> transportResult = SettableFuture.create();
-
+
resultFuture.addListener(new GenericFutureListener<io.netty.util.concurrent.Future<? super Void>>() {
-
+
@Override
public void operationComplete(
io.netty.util.concurrent.Future<? super Void> future)
* @param cause
* @return
*/
- protected RpcError buildRpcError(String info, ErrorSeverity severity, String message,
+ protected RpcError buildRpcError(String info, ErrorSeverity severity, String message,
Throwable cause) {
- RpcError error = RpcErrors.getRpcError(APPLICATION_TAG, TAG, info, severity, message,
+ RpcError error = RpcErrors.getRpcError(APPLICATION_TAG, TAG, info, severity, message,
ErrorType.RPC, cause);
return error;
}
-
+
/**
* @param cause
* @return
*/
- protected RpcError buildTransportError(String info, ErrorSeverity severity, String message,
+ protected RpcError buildTransportError(String info, ErrorSeverity severity, String message,
Throwable cause) {
- RpcError error = RpcErrors.getRpcError(APPLICATION_TAG, TAG, info, severity, message,
+ RpcError error = RpcErrors.getRpcError(APPLICATION_TAG, TAG, info, severity, message,
ErrorType.TRANSPORT, cause);
return error;
}
* @return
*/
private static RpcResponseKey createRpcResponseKey(OfHeader message) {
- return new RpcResponseKey(message.getXid(), message.getClass());
+ return new RpcResponseKey(message.getXid(), message.getImplementedInterface().getName());
}
/**
public void setSystemListener(SystemNotificationsListener systemListener) {
this.systemListener = systemListener;
}
-
+
@Override
public void checkListeners() {
StringBuffer buffer = new StringBuffer();
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<?>> {
+ static class ResponseRemovalListener implements RemovalListener<RpcResponseKey, SettableFuture<?>> {
@Override
public void onRemoval(
RemovalNotification<RpcResponseKey, SettableFuture<?>> notification) {
}
}
+ /**
+ * 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;
+ }
+
}