[hornetq-commits] JBoss hornetq SVN: r9615 - in branches/2_2_0_HA_Improvements/src/main/org/hornetq/core: protocol/core/impl and 2 other directories.

Author: jmesnil Date: 2010-08-31 11:22:50 -0400 (Tue, 31 Aug 2010) New Revision: 9615 Added: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/wireformat/DisconnectMessage.java Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ClientSessionFactoryImpl.java branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ServerLocatorImpl.java branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/PacketDecoder.java branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/RemotingConnectionImpl.java branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/server/cluster/impl/ClusterConnectionBridge.java Log: Clean server shutdown * when the server shuts down, it sends a DISCONNECT packet to its connections with its node ID. * ClientSessionFactory will handle the DISCONNECT, trigger connection failures *and after* will notify the server locator that the node is down Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ClientSessionFactoryImpl.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ClientSessionFactoryImpl.java 2010-08-31 12:14:53 UTC (rev 9614) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ClientSessionFactoryImpl.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -43,6 +43,7 @@ import org.hornetq.core.protocol.core.impl.wireformat.ClusterTopologyChangeMessage; import org.hornetq.core.protocol.core.impl.wireformat.CreateSessionMessage; import org.hornetq.core.protocol.core.impl.wireformat.CreateSessionResponseMessage; +import org.hornetq.core.protocol.core.impl.wireformat.DisconnectMessage; import org.hornetq.core.protocol.core.impl.wireformat.NodeAnnounceMessage; import org.hornetq.core.protocol.core.impl.wireformat.Ping; import org.hornetq.core.protocol.core.impl.wireformat.SubscribeClusterTopologyUpdatesMessage; @@ -1152,6 +1153,7 @@ if (type == PacketImpl.DISCONNECT) { + final DisconnectMessage msg = (DisconnectMessage)packet; closeExecutor.execute(new Runnable() { // Must be executed on new thread since cannot block the netty thread for a long time and fail can @@ -1160,6 +1162,10 @@ { conn.fail(new HornetQException(HornetQException.DISCONNECTED, "The connection was disconnected because of server shutdown")); + if (msg.getNodeID() != null) + { + serverLocator.notifyNodeDown(msg.getNodeID().toString()); + } } }); } Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ServerLocatorImpl.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ServerLocatorImpl.java 2010-08-31 12:14:53 UTC (rev 9614) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/client/impl/ServerLocatorImpl.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -579,12 +579,13 @@ throw new HornetQException(HornetQException.NOT_CONNECTED, "Cannot connect to server(s). Tried with all available servers."); } + /* if (topologyArray == null && initialConnectors != null && attempts == initialConnectors.length) { throw new HornetQException(HornetQException.NOT_CONNECTED, "Cannot connect to server(s). Tried with all available servers."); } - + */ retry = true; } else Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/PacketDecoder.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/PacketDecoder.java 2010-08-31 12:14:53 UTC (rev 9614) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/PacketDecoder.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -90,6 +90,7 @@ import org.hornetq.core.protocol.core.impl.wireformat.CreateReplicationSessionMessage; import org.hornetq.core.protocol.core.impl.wireformat.CreateSessionMessage; import org.hornetq.core.protocol.core.impl.wireformat.CreateSessionResponseMessage; +import org.hornetq.core.protocol.core.impl.wireformat.DisconnectMessage; import org.hornetq.core.protocol.core.impl.wireformat.HornetQExceptionMessage; import org.hornetq.core.protocol.core.impl.wireformat.NodeAnnounceMessage; import org.hornetq.core.protocol.core.impl.wireformat.NullResponseMessage; @@ -174,7 +175,7 @@ } case DISCONNECT: { - packet = new PacketImpl(PacketImpl.DISCONNECT); + packet = new DisconnectMessage(); break; } case EXCEPTION: Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/RemotingConnectionImpl.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/RemotingConnectionImpl.java 2010-08-31 12:14:53 UTC (rev 9614) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/RemotingConnectionImpl.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -31,6 +31,7 @@ import org.hornetq.core.protocol.core.CoreRemotingConnection; import org.hornetq.core.protocol.core.Packet; import org.hornetq.core.protocol.core.impl.wireformat.ClusterTopologyChangeMessage; +import org.hornetq.core.protocol.core.impl.wireformat.DisconnectMessage; import org.hornetq.core.remoting.CloseListener; import org.hornetq.core.remoting.FailureListener; import org.hornetq.spi.core.remoting.BufferHandler; @@ -307,11 +308,8 @@ channel.flushConfirmations(); } - if (nodeID != null) - { - channel0.send(new ClusterTopologyChangeMessage(nodeID.toString())); - } - channel0.sendAndFlush(new PacketImpl(PacketImpl.DISCONNECT)); + Packet disconnect = new DisconnectMessage(nodeID); + channel0.sendAndFlush(disconnect); } public long generateChannelID() Added: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/wireformat/DisconnectMessage.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/wireformat/DisconnectMessage.java (rev 0) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/protocol/core/impl/wireformat/DisconnectMessage.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -0,0 +1,105 @@ +/* + * Copyright 2009 Red Hat, Inc. + * Red Hat 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.hornetq.core.protocol.core.impl.wireformat; + +import org.hornetq.api.core.HornetQBuffer; +import org.hornetq.api.core.SimpleString; +import org.hornetq.core.protocol.core.impl.PacketImpl; + +/** + * + * A Ping + * + * @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a> + * + */ +public class DisconnectMessage extends PacketImpl +{ + // Constants ----------------------------------------------------- + + // Attributes ---------------------------------------------------- + + private SimpleString nodeID; + + // Static -------------------------------------------------------- + + // Constructors -------------------------------------------------- + + public DisconnectMessage(final SimpleString nodeID) + { + super(PacketImpl.DISCONNECT); + + this.nodeID = nodeID; + } + + public DisconnectMessage() + { + super(PacketImpl.DISCONNECT); + } + + // Public -------------------------------------------------------- + + public SimpleString getNodeID() + { + return nodeID; + } + + @Override + public void encodeRest(final HornetQBuffer buffer) + { + buffer.writeNullableSimpleString(nodeID); + } + + @Override + public void decodeRest(final HornetQBuffer buffer) + { + nodeID = buffer.readNullableSimpleString(); + } + + @Override + public String toString() + { + StringBuffer buf = new StringBuffer(getParentString()); + buf.append(", nodeID=" + nodeID); + buf.append("]"); + return buf.toString(); + } + + @Override + public boolean equals(final Object other) + { + if (other instanceof DisconnectMessage == false) + { + return false; + } + + DisconnectMessage r = (DisconnectMessage)other; + + return super.equals(other) && nodeID.equals(r.nodeID); + } + + @Override + public final boolean isRequiresConfirmations() + { + return false; + } + + // Package protected --------------------------------------------- + + // Protected ----------------------------------------------------- + + // Private ------------------------------------------------------- + + // Inner classes ------------------------------------------------- +} Modified: branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/server/cluster/impl/ClusterConnectionBridge.java =================================================================== --- branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/server/cluster/impl/ClusterConnectionBridge.java 2010-08-31 12:14:53 UTC (rev 9614) +++ branches/2_2_0_HA_Improvements/src/main/org/hornetq/core/server/cluster/impl/ClusterConnectionBridge.java 2010-08-31 15:22:50 UTC (rev 9615) @@ -227,4 +227,52 @@ return serverLocator.createSessionFactory(connector); } + + @Override + public void connectionFailed(HornetQException me) + { + if (!session.isClosed()) + { + try + { + session.cleanUp(false); + } + catch (Exception e) + { + log.warn("Unable to clean up the session after a connection failure", e); + } + serverLocator.notifyNodeDown(targetNodeID); + if (serverLocator.getDiscoveryAddress() == null) + { + executor.execute(new Runnable() + { + + public void run() + { + ClientSessionFactory sf = null; + do + { + try + { + sf = serverLocator.createSessionFactory(connector); + } + catch (HornetQException e) + { + if (e.getCode() == HornetQException.NOT_CONNECTED) + { + continue; + } + } + catch (Exception e) + { + break; + } + } + while (sf == null); + } + }); + } + } + super.connectionFailed(me); + } }