| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license |
| * agreements. See the NOTICE file distributed with this work for additional information regarding |
| * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance with the License. You may obtain a |
| * copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License |
| * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
| * or implied. See the License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package org.apache.geode.internal.cache.wan.parallel; |
| |
| import java.io.IOException; |
| import java.util.Set; |
| |
| import org.apache.logging.log4j.Logger; |
| |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.client.internal.Connection; |
| import org.apache.geode.cache.client.internal.pooling.ConnectionDestroyedException; |
| import org.apache.geode.cache.wan.GatewaySender; |
| import org.apache.geode.internal.Version; |
| import org.apache.geode.internal.cache.wan.AbstractGatewaySender; |
| import org.apache.geode.internal.cache.wan.GatewaySenderConfigurationException; |
| import org.apache.geode.internal.cache.wan.GatewaySenderEventDispatcher; |
| import org.apache.geode.internal.cache.wan.GatewaySenderEventRemoteDispatcher; |
| import org.apache.geode.internal.cache.wan.GatewaySenderException; |
| import org.apache.geode.internal.cache.wan.GatewaySenderStats; |
| import org.apache.geode.internal.logging.LogService; |
| import org.apache.geode.internal.monitoring.ThreadsMonitoring; |
| |
| public class RemoteParallelGatewaySenderEventProcessor extends ParallelGatewaySenderEventProcessor { |
| private static final Logger logger = LogService.getLogger(); |
| |
| protected RemoteParallelGatewaySenderEventProcessor(AbstractGatewaySender sender, |
| ThreadsMonitoring tMonitoring) { |
| super(sender, tMonitoring); |
| } |
| |
| /** |
| * use in concurrent scenario where queue is to be shared among all the processors. |
| */ |
| protected RemoteParallelGatewaySenderEventProcessor(AbstractGatewaySender sender, |
| Set<Region> userRegions, int id, int nDispatcher, ThreadsMonitoring tMonitoring) { |
| super(sender, userRegions, id, nDispatcher, tMonitoring); |
| } |
| |
| @Override |
| protected void rebalance() { |
| GatewaySenderStats statistics = this.sender.getStatistics(); |
| long startTime = statistics.startLoadBalance(); |
| try { |
| if (this.dispatcher.isRemoteDispatcher()) { |
| GatewaySenderEventRemoteDispatcher remoteDispatcher = |
| (GatewaySenderEventRemoteDispatcher) this.dispatcher; |
| if (remoteDispatcher.isConnectedToRemote()) { |
| remoteDispatcher.stopAckReaderThread(); |
| remoteDispatcher.destroyConnection(); |
| } |
| } |
| } finally { |
| statistics.endLoadBalance(startTime); |
| } |
| } |
| |
| @Override |
| public void initializeEventDispatcher() { |
| if (logger.isDebugEnabled()) { |
| logger.debug(" Creating the GatewayEventRemoteDispatcher"); |
| } |
| if (this.sender.getRemoteDSId() != GatewaySender.DEFAULT_DISTRIBUTED_SYSTEM_ID) { |
| this.dispatcher = new GatewaySenderEventRemoteDispatcher(this); |
| } |
| } |
| |
| /** |
| * Returns if corresponding receiver WAN site of this GatewaySender has GemfireVersion > 7.0.1 |
| * |
| * @return true if remote site Gemfire Version is >= 7.0.1 |
| */ |
| private boolean shouldSendVersionEvents(GatewaySenderEventDispatcher disp) |
| throws GatewaySenderException { |
| try { |
| GatewaySenderEventRemoteDispatcher remoteDispatcher = |
| (GatewaySenderEventRemoteDispatcher) disp; |
| // This will create a new connection if no batch has been sent till |
| // now. |
| Connection conn = remoteDispatcher.getConnection(false); |
| if (conn != null) { |
| short remoteSiteVersion = conn.getWanSiteVersion(); |
| if (Version.GFE_701.compareTo(remoteSiteVersion) <= 0) { |
| return true; |
| } |
| } |
| } catch (GatewaySenderException e) { |
| Throwable cause = e.getCause(); |
| if (cause instanceof IOException || e instanceof GatewaySenderConfigurationException |
| || cause instanceof ConnectionDestroyedException) { |
| try { |
| int sleepInterval = GatewaySender.CONNECTION_RETRY_INTERVAL; |
| if (logger.isDebugEnabled()) { |
| logger.debug("Sleeping for {} milliseconds", sleepInterval); |
| } |
| Thread.sleep(sleepInterval); |
| } catch (InterruptedException ie) { |
| // log the exception |
| if (logger.isDebugEnabled()) { |
| logger.debug(ie.getMessage(), ie); |
| } |
| } |
| } |
| throw e; |
| } |
| return false; |
| } |
| |
| } |