*/
package org.opendaylight.protocol.bgp.rib.impl;
+import com.google.common.base.Preconditions;
+import io.netty.bootstrap.Bootstrap;
+import io.netty.bootstrap.ServerBootstrap;
+import io.netty.channel.ChannelFuture;
+import io.netty.channel.EventLoopGroup;
+import io.netty.channel.socket.SocketChannel;
+import io.netty.util.Timer;
import io.netty.util.concurrent.Future;
-
-import java.io.Closeable;
-import java.io.IOException;
-
-import org.opendaylight.protocol.bgp.parser.BGPSession;
-import org.opendaylight.protocol.bgp.rib.impl.spi.BGPConnection;
+import io.netty.util.concurrent.Promise;
+import java.net.InetSocketAddress;
+import org.opendaylight.bgpcep.tcpmd5.KeyMapping;
+import org.opendaylight.bgpcep.tcpmd5.netty.MD5ChannelFactory;
+import org.opendaylight.bgpcep.tcpmd5.netty.MD5ChannelOption;
+import org.opendaylight.bgpcep.tcpmd5.netty.MD5ServerChannelFactory;
+import org.opendaylight.protocol.bgp.parser.BGPSessionListener;
+import org.opendaylight.protocol.bgp.parser.spi.MessageRegistry;
import org.opendaylight.protocol.bgp.rib.impl.spi.BGPDispatcher;
-import org.opendaylight.protocol.framework.Dispatcher;
-import org.opendaylight.protocol.framework.ProtocolMessageFactory;
+import org.opendaylight.protocol.bgp.rib.impl.spi.BGPPeerRegistry;
+import org.opendaylight.protocol.bgp.rib.impl.spi.BGPServerDispatcher;
+import org.opendaylight.protocol.bgp.rib.impl.spi.BGPSessionValidator;
+import org.opendaylight.protocol.framework.AbstractDispatcher;
+import org.opendaylight.protocol.framework.ReconnectStrategy;
+import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
+import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.AsNumber;
/**
* Implementation of BGPDispatcher.
*/
-public final class BGPDispatcherImpl implements BGPDispatcher, Closeable {
+public final class BGPDispatcherImpl extends AbstractDispatcher<BGPSessionImpl, BGPSessionListener> implements BGPDispatcher, BGPServerDispatcher, AutoCloseable {
+ private final MD5ServerChannelFactory<?> scf;
+ private final MD5ChannelFactory<?> cf;
+ private final BGPHandlerFactory hf;
+ private final Timer timer;
+ private KeyMapping keys;
+
+ public BGPDispatcherImpl(final MessageRegistry messageRegistry, final Timer timer, final EventLoopGroup bossGroup,
+ final EventLoopGroup workerGroup) {
+ this(messageRegistry, timer, bossGroup, workerGroup, null, null);
+ }
+
+ public BGPDispatcherImpl(final MessageRegistry messageRegistry, final Timer timer, final EventLoopGroup bossGroup,
+ final EventLoopGroup workerGroup, final MD5ChannelFactory<?> cf, final MD5ServerChannelFactory<?> scf) {
+ super(bossGroup, workerGroup);
+ this.timer = Preconditions.checkNotNull(timer);
+ this.hf = new BGPHandlerFactory(messageRegistry);
+ this.cf = cf;
+ this.scf = scf;
+ }
+
+ @Override
+ public synchronized Future<BGPSessionImpl> createClient(final InetSocketAddress address,
+ final AsNumber remoteAs, final BGPPeerRegistry listener, final ReconnectStrategy strategy) {
+ final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(this.timer, remoteAs, listener);
+ return super.createClient(address, strategy, new PipelineInitializer<BGPSessionImpl>() {
+ @Override
+ public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getDecoders());
+ ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(null, ch, promise));
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getEncoders());
+ }
+ });
+ }
+
+ @Override
+ public Future<Void> createReconnectingClient(final InetSocketAddress address,
+ final AsNumber remoteAs, final BGPPeerRegistry listener, final ReconnectStrategyFactory connectStrategyFactory,
+ final ReconnectStrategyFactory reestablishStrategyFactory) {
+ return this.createReconnectingClient(address, remoteAs, listener, connectStrategyFactory, reestablishStrategyFactory,
+ null);
+ }
+
+ @Override
+ public void close() {
+ }
+
+ @Override
+ public synchronized Future<Void> createReconnectingClient(final InetSocketAddress address,
+ final AsNumber remoteAs, final BGPPeerRegistry peerRegistry, final ReconnectStrategyFactory connectStrategyFactory,
+ final ReconnectStrategyFactory reestablishStrategyFactory, final KeyMapping keys) {
+ final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(this.timer, remoteAs, peerRegistry);
+
+ this.keys = keys;
+ final Future<Void> ret = super.createReconnectingClient(address, connectStrategyFactory,
+ reestablishStrategyFactory.createReconnectStrategy(), new PipelineInitializer<BGPSessionImpl>() {
+ @Override
+ public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getDecoders());
+ ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(null, ch, promise));
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getEncoders());
+ }
+ });
+ this.keys = null;
+
+ return ret;
+ }
+
+ @Override
+ public ChannelFuture createServer(final BGPPeerRegistry registry, final InetSocketAddress address, final BGPSessionValidator sessionValidator) {
+ return this.createServer(registry, address, sessionValidator, null);
+ }
+
+ @Override
+ public ChannelFuture createServer(final BGPPeerRegistry registry, final InetSocketAddress address, final BGPSessionValidator sessionValidator, final KeyMapping keys) {
+ final BGPServerSessionNegotiatorFactory snf = new BGPServerSessionNegotiatorFactory(this.timer, sessionValidator, registry);
- private final Dispatcher dispatcher;
+ this.keys = keys;
+ final ChannelFuture ret = super.createServer(address, new PipelineInitializer<BGPSessionImpl>() {
+ @Override
+ public void initializeChannel(final SocketChannel ch, final Promise<BGPSessionImpl> promise) {
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getDecoders());
+ ch.pipeline().addLast("negotiator", snf.getSessionNegotiator(null, ch, promise));
+ ch.pipeline().addLast(BGPDispatcherImpl.this.hf.getEncoders());
+ }
+ });
+ this.keys = null;
- public BGPDispatcherImpl(final Dispatcher dispatcher) throws IOException {
- this.dispatcher = dispatcher;
- }
+ return ret;
+ }
- @Override
- public Future<? extends BGPSession> createClient(final BGPConnection connection, final ProtocolMessageFactory parser) throws IOException {
- return this.dispatcher.createClient(connection, new BGPSessionFactory(parser));
- }
+ @Override
+ protected void customizeBootstrap(final Bootstrap b) {
+ if (keys != null && !keys.isEmpty()) {
+ if (cf == null) {
+ throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
+ }
+ b.channelFactory(cf);
+ b.option(MD5ChannelOption.TCP_MD5SIG, keys);
+ }
+ }
- public Dispatcher getDispatcher() {
- return this.dispatcher;
- }
+ @Override
+ protected void customizeBootstrap(final ServerBootstrap b) {
+ if (keys != null && !keys.isEmpty()) {
+ if (scf == null) {
+ throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
+ }
+ b.channelFactory(scf);
+ b.option(MD5ChannelOption.TCP_MD5SIG, keys);
+ }
+ }
- @Override
- public void close() {
- // This is only necessary for configuration interaction
- }
}