openflow-protocol-impl/src/main/java/org/opendaylight/openflowjava/protocol/impl/connection/SwitchConnectionProviderImpl.java

   1 /*
   2  * Copyright (c) 2013 Pantheon Technologies s.r.o. and others. All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9
  10 package org.opendaylight.openflowjava.protocol.impl.connection;
  11
  12 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionConfiguration;
  13 import org.opendaylight.openflowjava.protocol.api.connection.SwitchConnectionHandler;
  14 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageCodeKey;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralDeserializer;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralSerializer;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  20 import org.opendaylight.openflowjava.protocol.impl.core.PublishingChannelInitializerFactory;
  21 import org.opendaylight.openflowjava.protocol.impl.core.TcpHandler;
  22 import org.opendaylight.openflowjava.protocol.impl.deserialization.DeserializationFactory;
  23 import org.opendaylight.openflowjava.protocol.impl.deserialization.DeserializerRegistryImpl;
  24 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializationFactory;
  25 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  26 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 import com.google.common.util.concurrent.ListenableFuture;
  31 import com.google.common.util.concurrent.SettableFuture;
  32
  33 /**
  34  * Exposed class for server handling
  35  * @author mirehak
  36  * @author michal.polkorab
  37  */
  38 public class SwitchConnectionProviderImpl implements SwitchConnectionProvider {
  39
  40     private static final Logger LOGGER = LoggerFactory
  41             .getLogger(SwitchConnectionProviderImpl.class);
  42     private SwitchConnectionHandler switchConnectionHandler;
  43     private ServerFacade serverFacade;
  44     private ConnectionConfiguration connConfig;
  45     private SerializationFactory serializationFactory;
  46     private SerializerRegistry serializerRegistry;
  47     private DeserializerRegistry deserializerRegistry;
  48     private DeserializationFactory deserializationFactory;
  49
  50     /** Constructor */
  51     public SwitchConnectionProviderImpl() {
  52         serializerRegistry = new SerializerRegistryImpl();
  53         serializerRegistry.init();
  54         serializationFactory = new SerializationFactory();
  55         serializationFactory.setSerializerTable(serializerRegistry);
  56         deserializerRegistry = new DeserializerRegistryImpl();
  57         deserializerRegistry.init();
  58         deserializationFactory = new DeserializationFactory();
  59         deserializationFactory.setRegistry(deserializerRegistry);
  60     }
  61
  62     @Override
  63     public void setConfiguration(ConnectionConfiguration connConfig) {
  64         this.connConfig = connConfig;
  65     }
  66
  67     @Override
  68     public void setSwitchConnectionHandler(SwitchConnectionHandler switchConnectionHandler) {
  69         LOGGER.debug("setSwitchConnectionHandler");
  70         this.switchConnectionHandler = switchConnectionHandler;
  71     }
  72
  73     @Override
  74     public ListenableFuture<Boolean> shutdown() {
  75         LOGGER.debug("Shutdown summoned");
  76         //TODO: provide exception in case of: not started, not configured (already stopped)
  77         ListenableFuture<Boolean> result = serverFacade.shutdown();
  78         return result;
  79     }
  80
  81     @Override
  82     public ListenableFuture<Boolean> startup() {
  83         LOGGER.debug("Startup summoned");
  84         serverFacade = createAndConfigureServer();
  85
  86         LOGGER.debug("Starting ..");
  87         ListenableFuture<Boolean> result = null;
  88         try {
  89             if (serverFacade == null) {
  90                 throw new IllegalStateException("No server configured");
  91             }
  92             if (serverFacade.getIsOnlineFuture().isDone()) {
  93                 throw new IllegalStateException("Server already running");
  94             }
  95             if (switchConnectionHandler == null) {
  96                 throw new IllegalStateException("switchConnectionHandler is not set");
  97             }
  98             new Thread(serverFacade).start();
  99             result = serverFacade.getIsOnlineFuture();
 100         } catch (Exception e) {
 101             SettableFuture<Boolean> exResult = SettableFuture.create();
 102             exResult.setException(e);
 103             result = exResult;
 104         }
 105         return result;
 106     }
 107
 108     /**
 109      * @return
 110      */
 111     private TcpHandler createAndConfigureServer() {
 112         LOGGER.debug("Configuring ..");
 113         TcpHandler server = new TcpHandler(connConfig.getAddress(), connConfig.getPort());
 114         PublishingChannelInitializerFactory factory = new PublishingChannelInitializerFactory();
 115         factory.setSwitchConnectionHandler(switchConnectionHandler);
 116         factory.setSwitchIdleTimeout(connConfig.getSwitchIdleTimeout());
 117         factory.setTlsConfig(connConfig.getTlsConfiguration());
 118         factory.setSerializationFactory(serializationFactory);
 119         factory.setDeserializationFactory(deserializationFactory);
 120         server.setChannelInitializer(factory.createPublishingChannelInitializer());
 121         return server;
 122     }
 123
 124     /**
 125      * @return servers
 126      */
 127     public ServerFacade getServerFacade() {
 128         return serverFacade;
 129     }
 130
 131     @Override
 132     public <KEY_TYPE> void registerSerializer(MessageTypeKey<KEY_TYPE> key,
 133             OFGeneralSerializer serializer) {
 134         serializerRegistry.registerSerializer(key, serializer);
 135     }
 136
 137     @Override
 138     public void registerDeserializer(MessageCodeKey key,
 139             OFGeneralDeserializer deserializer) {
 140         deserializerRegistry.registerDeserializer(key, deserializer);
 141     }
 142
 143     @Override
 144     public void close() throws Exception {
 145         shutdown();
 146     }
 147 }