-/**
+/*
* Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
*
* This program and the accompanying materials are made available under the
import com.google.common.base.Preconditions;
import java.net.InetSocketAddress;
import java.util.Date;
+import java.util.Objects;
+import java.util.concurrent.ExecutorService;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-/**
- *
- */
public class SystemNotificationsListenerImpl implements SystemNotificationsListener {
- private final ConnectionContext connectionContext;
private static final Logger LOG = LoggerFactory.getLogger(SystemNotificationsListenerImpl.class);
+ private static final Logger OF_EVENT_LOG = LoggerFactory.getLogger("OfEventLog");
+ private static final Xid ECHO_XID = new Xid(0L);
+
+ private final ConnectionContext connectionContext;
@VisibleForTesting
static final long MAX_ECHO_REPLY_TIMEOUT = 2000;
private final long echoReplyTimeout;
+ private final ExecutorService executorService;
- public SystemNotificationsListenerImpl(@Nonnull final ConnectionContext connectionContext, long echoReplyTimeout) {
+ public SystemNotificationsListenerImpl(@Nonnull final ConnectionContext connectionContext,
+ long echoReplyTimeout,
+ @Nonnull final ExecutorService executorService) {
+ this.executorService = executorService;
this.connectionContext = Preconditions.checkNotNull(connectionContext);
this.echoReplyTimeout = echoReplyTimeout;
}
@Override
public void onDisconnectEvent(final DisconnectEvent notification) {
+ OF_EVENT_LOG.debug("Disconnect, Node: {}", connectionContext.getSafeNodeIdForLOG());
LOG.info("ConnectionEvent: Connection closed by device, Device:{}, NodeId:{}",
- connectionContext.getConnectionAdapter().getRemoteAddress(), connectionContext.getNodeId());
+ connectionContext.getConnectionAdapter().getRemoteAddress(), connectionContext.getSafeNodeIdForLOG());
connectionContext.onConnectionClosed();
}
@Override
public void onSwitchIdleEvent(final SwitchIdleEvent notification) {
- new Thread(new Runnable() {
- @Override
- public void run() {
- boolean shouldBeDisconnected = true;
-
- final InetSocketAddress remoteAddress = connectionContext.getConnectionAdapter().getRemoteAddress();
-
- if (ConnectionContext.CONNECTION_STATE.WORKING.equals(connectionContext.getConnectionState())) {
- FeaturesReply features = connectionContext.getFeatures();
- LOG.info("Switch Idle state occurred, node={}|auxId={}", remoteAddress, features.getAuxiliaryId());
- connectionContext.changeStateToTimeouting();
- EchoInputBuilder builder = new EchoInputBuilder();
- builder.setVersion(features.getVersion());
- Xid xid = new Xid(0L);
- builder.setXid(xid.getValue());
-
- Future<RpcResult<EchoOutput>> echoReplyFuture = connectionContext.getConnectionAdapter().echo(builder.build());
-
- try {
- RpcResult<EchoOutput> echoReplyValue = echoReplyFuture.get(echoReplyTimeout, TimeUnit.MILLISECONDS);
- if (echoReplyValue.isSuccessful()) {
- connectionContext.changeStateToWorking();
- shouldBeDisconnected = false;
- } else {
- for (RpcError replyError : echoReplyValue.getErrors()) {
- Throwable cause = replyError.getCause();
- if (LOG.isWarnEnabled()) {
- LOG.warn("Received EchoReply from [{}] in TIMEOUTING state, Error:{}", remoteAddress, cause.getMessage());
- }
-
- if (LOG.isTraceEnabled()) {
- LOG.trace("Received EchoReply from [{}] in TIMEOUTING state, Error:{}", remoteAddress, cause);
- }
-
- }
- }
- } catch (Exception e) {
- if (LOG.isWarnEnabled()) {
- LOG.warn("Exception while waiting for echoReply from [{}] in TIMEOUTING state: {}", remoteAddress, e.getMessage());
- }
-
- if (LOG.isTraceEnabled()) {
- LOG.trace("Exception while waiting for echoReply from [{}] in TIMEOUTING state: {}", remoteAddress, e);
- }
-
- }
+ executorService.execute(this::executeOnSwitchIdleEvent);
+ }
+
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void executeOnSwitchIdleEvent() {
+ boolean shouldBeDisconnected = true;
+
+ final InetSocketAddress remoteAddress = connectionContext.getConnectionAdapter().getRemoteAddress();
+
+ if (ConnectionContext.CONNECTION_STATE.WORKING.equals(connectionContext.getConnectionState())) {
+ FeaturesReply features = connectionContext.getFeatures();
+ LOG.debug("Switch Idle state occurred, node={}|auxId={}", remoteAddress, features.getAuxiliaryId());
+ OF_EVENT_LOG.debug("Switch idle state, Node: {}", features.getDatapathId());
+ connectionContext.changeStateToTimeouting();
+ EchoInputBuilder builder = new EchoInputBuilder();
+ builder.setVersion(features.getVersion());
+ builder.setXid(ECHO_XID.getValue());
+
+ Future<RpcResult<EchoOutput>> echoReplyFuture =
+ connectionContext.getConnectionAdapter().echo(builder.build());
+
+ try {
+ RpcResult<EchoOutput> echoReplyValue = echoReplyFuture.get(echoReplyTimeout, TimeUnit.MILLISECONDS);
+ if (echoReplyValue.isSuccessful()
+ && Objects.equals(echoReplyValue.getResult().getXid(), ECHO_XID.getValue())) {
+ connectionContext.changeStateToWorking();
+ shouldBeDisconnected = false;
+ } else {
+ logErrors(remoteAddress, echoReplyValue);
+ }
+ } catch (Exception e) {
+ if (LOG.isWarnEnabled()) {
+ LOG.warn("Exception while waiting for echoReply from [{}] in TIMEOUTING state: {}",
+ remoteAddress, e.getMessage());
}
- if (shouldBeDisconnected) {
- if (LOG.isInfoEnabled()) {
- LOG.info("ConnectionEvent:Closing connection as device is idle. Echo sent at {}. Device:{}, NodeId:{}",
- new Date(System.currentTimeMillis() - echoReplyTimeout), remoteAddress, connectionContext.getNodeId());
- }
- connectionContext.closeConnection(true);
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Exception while waiting for echoReply from [{}] in TIMEOUTING state",
+ remoteAddress, e);
}
+
+ }
+ }
+ if (shouldBeDisconnected) {
+ if (LOG.isInfoEnabled()) {
+ LOG.info("ConnectionEvent:Closing connection as device is idle. Echo sent at {}. Device:{}, NodeId:{}",
+ new Date(System.currentTimeMillis() - echoReplyTimeout),
+ remoteAddress, connectionContext.getSafeNodeIdForLOG());
+ }
+
+ connectionContext.closeConnection(true);
+ }
+ }
+
+ private void logErrors(InetSocketAddress remoteAddress, RpcResult<EchoOutput> echoReplyValue) {
+ for (RpcError replyError : echoReplyValue.getErrors()) {
+ Throwable cause = replyError.getCause();
+ if (LOG.isWarnEnabled()) {
+ LOG.warn("Received EchoReply from [{}] in TIMEOUTING state, Error:{}",
+ remoteAddress, cause.getMessage());
+ }
+
+ if (LOG.isTraceEnabled()) {
+ LOG.trace("Received EchoReply from [{}] in TIMEOUTING state", remoteAddress, cause);
}
- }).start();
+ }
}
}
Code Review / openflowplugin.git / blobdiff