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

   1 /**
   2  * Copyright (c) 2013 Cisco Systems, Inc. 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 package org.opendaylight.openflowjava.protocol.impl.connection;
  10
  11 import java.util.ArrayList;
  12 import java.util.Collection;
  13 import java.util.HashSet;
  14 import java.util.List;
  15 import java.util.Set;
  16 import java.util.concurrent.Future;
  17
  18 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionConfiguration;
  19 import org.opendaylight.openflowjava.protocol.api.connection.SwitchConnectionHandler;
  20 import org.opendaylight.openflowjava.protocol.impl.core.TcpHandler;
  21 import org.opendaylight.openflowjava.protocol.spi.connection.SwitchConnectionProvider;
  22 import org.slf4j.Logger;
  23 import org.slf4j.LoggerFactory;
  24
  25 import com.google.common.util.concurrent.Futures;
  26 import com.google.common.util.concurrent.ListenableFuture;
  27 import com.google.common.util.concurrent.SettableFuture;
  28
  29 /**
  30  * @author mirehak
  31  *
  32  */
  33 public class SwitchConnectionProviderImpl implements SwitchConnectionProvider {
  34
  35     private static final Logger LOG = LoggerFactory
  36             .getLogger(SwitchConnectionProviderImpl.class);
  37     private SwitchConnectionHandler switchConnectionHandler;
  38     private Set<ServerFacade> serverLot;
  39
  40     @Override
  41     public void configure(Collection<ConnectionConfiguration> connConfigs) {
  42         LOG.debug("configurating ..");
  43
  44         //TODO - add and configure servers according to configuration
  45         serverLot = new HashSet<>();
  46         serverLot.add(new TcpHandler(6633));
  47     }
  48
  49     @Override
  50     public void setSwitchConnectionListener(SwitchConnectionHandler switchConnectionHandler) {
  51         this.switchConnectionHandler = switchConnectionHandler;
  52     }
  53
  54     @Override
  55     public Future<Boolean> shutdown() {
  56         LOG.debug("shutdown summoned");
  57         for (ServerFacade server : serverLot) {
  58             server.shutdown();
  59         }
  60         return null;
  61     }
  62
  63     @Override
  64     public Future<List<Boolean>> startup() {
  65         LOG.debug("startup summoned");
  66         ListenableFuture<List<Boolean>> result = SettableFuture.create();
  67         try {
  68             //TODO - check config, status of servers
  69             if (switchConnectionHandler == null) {
  70                 throw new IllegalStateException("switchConnectionHandler is not set");
  71             }
  72
  73             // starting
  74             List<ListenableFuture<Boolean>> starterChain = new ArrayList<>();
  75             for (ServerFacade server : serverLot) {
  76                 new Thread(server).start();
  77                 ListenableFuture<Boolean> isOnlineFuture = server.getIsOnlineFuture();
  78                 starterChain.add(isOnlineFuture);
  79             }
  80
  81             if (!starterChain.isEmpty()) {
  82                 result = Futures.allAsList(starterChain);
  83             } else {
  84                 throw new IllegalStateException("no servers configured");
  85             }
  86         } catch (Exception e) {
  87             SettableFuture<List<Boolean>> exFuture = SettableFuture.create();
  88             exFuture.setException(e);
  89             result = exFuture;
  90         }
  91         return result;
  92     }
  93
  94 }