| /* |
| * 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.hyracks.control.nc.net; |
| |
| import java.io.IOException; |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import java.nio.ByteBuffer; |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import org.apache.hyracks.api.comm.NetworkAddress; |
| import org.apache.hyracks.api.dataflow.ConnectorDescriptorId; |
| import org.apache.hyracks.api.exceptions.HyracksException; |
| import org.apache.hyracks.api.job.JobId; |
| import org.apache.hyracks.api.partitions.PartitionId; |
| import org.apache.hyracks.comm.channels.IChannelConnectionFactory; |
| import org.apache.hyracks.comm.channels.NetworkOutputChannel; |
| import org.apache.hyracks.control.nc.partitions.PartitionManager; |
| import org.apache.hyracks.net.buffers.ICloseableBufferAcceptor; |
| import org.apache.hyracks.net.exceptions.NetException; |
| import org.apache.hyracks.net.protocols.muxdemux.ChannelControlBlock; |
| import org.apache.hyracks.net.protocols.muxdemux.IChannelOpenListener; |
| import org.apache.hyracks.net.protocols.muxdemux.MultiplexedConnection; |
| import org.apache.hyracks.net.protocols.muxdemux.MuxDemux; |
| import org.apache.hyracks.net.protocols.muxdemux.MuxDemuxPerformanceCounters; |
| |
| public class NetworkManager implements IChannelConnectionFactory { |
| private static final Logger LOGGER = Logger.getLogger(NetworkManager.class.getName()); |
| |
| private static final int MAX_CONNECTION_ATTEMPTS = 5; |
| |
| static final int INITIAL_MESSAGE_SIZE = 20; |
| |
| private final PartitionManager partitionManager; |
| |
| private final int nBuffers; |
| |
| private final MuxDemux md; |
| |
| private NetworkAddress localNetworkAddress; |
| |
| private NetworkAddress publicNetworkAddress; |
| |
| public NetworkManager(String inetAddress, int inetPort, PartitionManager partitionManager, int nThreads, int nBuffers, |
| String publicInetAddress, int publicInetPort) |
| throws IOException { |
| this.partitionManager = partitionManager; |
| this.nBuffers = nBuffers; |
| md = new MuxDemux(new InetSocketAddress(inetAddress, inetPort), new ChannelOpenListener(), nThreads, |
| MAX_CONNECTION_ATTEMPTS); |
| // Just save these values for the moment; may be reset in start() |
| publicNetworkAddress = new NetworkAddress(publicInetAddress, publicInetPort); |
| } |
| |
| public void start() throws IOException { |
| md.start(); |
| InetSocketAddress sockAddr = md.getLocalAddress(); |
| localNetworkAddress = new NetworkAddress(sockAddr.getHostString(), sockAddr.getPort()); |
| |
| // See if the public address was explicitly specified, and if not, |
| // make it a copy of localNetworkAddress |
| if (publicNetworkAddress.getAddress() == null) { |
| publicNetworkAddress = localNetworkAddress; |
| } |
| else { |
| // Likewise for public port |
| if (publicNetworkAddress.getPort() == 0) { |
| publicNetworkAddress = new NetworkAddress |
| (publicNetworkAddress.getAddress(), sockAddr.getPort()); |
| } |
| } |
| } |
| |
| public NetworkAddress getLocalNetworkAddress() { |
| return localNetworkAddress; |
| } |
| |
| public NetworkAddress getPublicNetworkAddress() { |
| return publicNetworkAddress; |
| } |
| |
| public void stop() { |
| |
| } |
| |
| public ChannelControlBlock connect(SocketAddress remoteAddress) throws InterruptedException, NetException { |
| MultiplexedConnection mConn = md.connect((InetSocketAddress) remoteAddress); |
| return mConn.openChannel(); |
| } |
| |
| private class ChannelOpenListener implements IChannelOpenListener { |
| @Override |
| public void channelOpened(ChannelControlBlock channel) { |
| channel.getReadInterface().setFullBufferAcceptor(new InitialBufferAcceptor(channel)); |
| channel.getReadInterface().getEmptyBufferAcceptor().accept(ByteBuffer.allocate(INITIAL_MESSAGE_SIZE)); |
| } |
| } |
| |
| private class InitialBufferAcceptor implements ICloseableBufferAcceptor { |
| private final ChannelControlBlock ccb; |
| |
| private NetworkOutputChannel noc; |
| |
| public InitialBufferAcceptor(ChannelControlBlock ccb) { |
| this.ccb = ccb; |
| } |
| |
| @Override |
| public void accept(ByteBuffer buffer) { |
| PartitionId pid = readInitialMessage(buffer); |
| if (LOGGER.isLoggable(Level.FINE)) { |
| LOGGER.fine("Received initial partition request: " + pid + " on channel: " + ccb); |
| } |
| noc = new NetworkOutputChannel(ccb, nBuffers); |
| try { |
| partitionManager.registerPartitionRequest(pid, noc); |
| } catch (HyracksException e) { |
| e.printStackTrace(); |
| noc.abort(); |
| } |
| } |
| |
| @Override |
| public void close() { |
| |
| } |
| |
| @Override |
| public void error(int ecode) { |
| if (noc != null) { |
| noc.abort(); |
| } |
| } |
| } |
| |
| private static PartitionId readInitialMessage(ByteBuffer buffer) { |
| JobId jobId = new JobId(buffer.getLong()); |
| ConnectorDescriptorId cdid = new ConnectorDescriptorId(buffer.getInt()); |
| int senderIndex = buffer.getInt(); |
| int receiverIndex = buffer.getInt(); |
| return new PartitionId(jobId, cdid, senderIndex, receiverIndex); |
| } |
| |
| public MuxDemuxPerformanceCounters getPerformanceCounters() { |
| return md.getPerformanceCounters(); |
| } |
| } |