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.ConnectionConfiguration.FEATURE_SUPPORT;
  14 import org.opendaylight.openflowjava.protocol.api.connection.SwitchConnectionHandler;
  15 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageTypeKey;
  16 import org.opendaylight.openflowjava.protocol.api.extensibility.OFSerializer;
  17 import org.opendaylight.openflowjava.protocol.api.extensibility.SerializerRegistry;
  18 import org.opendaylight.openflowjava.protocol.api.extensibility.DeserializerRegistry;
  19 import org.opendaylight.openflowjava.protocol.api.extensibility.MessageCodeKey;
  20 import org.opendaylight.openflowjava.protocol.api.extensibility.OFGeneralDeserializer;
  21 import org.opendaylight.openflowjava.protocol.impl.core.TcpHandler;
  22 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializationFactory;
  23 import org.opendaylight.openflowjava.protocol.impl.serialization.SerializerRegistryImpl;
  24 import org.opendaylight.openflowjava.protocol.impl.deserialization.DeserializationFactory;
  25 import org.opendaylight.openflowjava.protocol.impl.deserialization.DeserializerRegistryImpl;
  26 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  27 import org.opendaylight.yangtools.yang.binding.DataObject;
  28 import org.slf4j.Logger;
  29 import org.slf4j.LoggerFactory;
  30
  31 import com.google.common.util.concurrent.ListenableFuture;
  32 import com.google.common.util.concurrent.SettableFuture;
  33
  34 /**
  35  * Exposed class for server handling
  36  * @author mirehak
  37  * @author michal.polkorab
  38  */
  39 public class SwitchConnectionProviderImpl implements SwitchConnectionProvider {
  40
  41     private static final Logger LOGGER = LoggerFactory
  42             .getLogger(SwitchConnectionProviderImpl.class);
  43     private SwitchConnectionHandler switchConnectionHandler;
  44     private ServerFacade serverFacade;
  45     private ConnectionConfiguration connConfig;
  46     private SerializationFactory serializationFactory;
  47     private SerializerRegistry serializerRegistry;
  48     private DeserializerRegistry deserializerRegistry;
  49     private DeserializationFactory deserializationFactory;
  50
  51     /** Constructor */
  52     public SwitchConnectionProviderImpl() {
  53         serializerRegistry = new SerializerRegistryImpl();
  54         serializerRegistry.init();
  55         serializationFactory = new SerializationFactory();
  56         serializationFactory.setSerializerTable(serializerRegistry);
  57         deserializerRegistry = new DeserializerRegistryImpl();
  58         deserializerRegistry.init();
  59         deserializationFactory = new DeserializationFactory();
  60         deserializationFactory.setRegistry(deserializerRegistry);
  61     }
  62
  63     @Override
  64     public void setConfiguration(ConnectionConfiguration connConfig) {
  65         this.connConfig = connConfig;
  66     }
  67
  68     @Override
  69     public void setSwitchConnectionHandler(SwitchConnectionHandler switchConnectionHandler) {
  70         LOGGER.debug("setSwitchConnectionHandler");
  71         this.switchConnectionHandler = switchConnectionHandler;
  72     }
  73
  74     @Override
  75     public ListenableFuture<Boolean> shutdown() {
  76         LOGGER.debug("Shutdown summoned");
  77         //TODO: provide exception in case of: not started, not configured (already stopped)
  78         ListenableFuture<Boolean> result = serverFacade.shutdown();
  79         return result;
  80     }
  81
  82     @Override
  83     public ListenableFuture<Boolean> startup() {
  84         LOGGER.debug("Startup summoned");
  85         serverFacade = createAndConfigureServer();
  86
  87         LOGGER.debug("Starting ..");
  88         ListenableFuture<Boolean> result = null;
  89         try {
  90             if (serverFacade == null) {
  91                 throw new IllegalStateException("No server configured");
  92             }
  93             if (serverFacade.getIsOnlineFuture().isDone()) {
  94                 throw new IllegalStateException("Server already running");
  95             }
  96             if (switchConnectionHandler == null) {
  97                 throw new IllegalStateException("switchConnectionHandler is not set");
  98             }
  99             new Thread(serverFacade).start();
 100             result = serverFacade.getIsOnlineFuture();
 101         } catch (Exception e) {
 102             SettableFuture<Boolean> exResult = SettableFuture.create();
 103             exResult.setException(e);
 104             result = exResult;
 105         }
 106         return result;
 107     }
 108
 109     /**
 110      * @return
 111      */
 112     private TcpHandler createAndConfigureServer() {
 113         LOGGER.debug("Configuring ..");
 114         TcpHandler server = new TcpHandler(connConfig.getAddress(), connConfig.getPort());
 115         server.setSwitchConnectionHandler(switchConnectionHandler);
 116         server.setSwitchIdleTimeout(connConfig.getSwitchIdleTimeout());
 117         boolean tlsSupported = FEATURE_SUPPORT.REQUIRED.equals(connConfig.getTlsSupport());
 118         server.setEncryption(tlsSupported);
 119         server.setSerializationFactory(serializationFactory);
 120         server.setDeserializationFactory(deserializationFactory);
 121         return server;
 122     }
 123
 124     /**
 125      * @return servers
 126      */
 127     public ServerFacade getServerFacade() {
 128         return serverFacade;
 129     }
 130
 131     @Override
 132     public <E extends DataObject> void registerCustomSerializer(MessageTypeKey<E> key,
 133             OFSerializer<E> 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 }