*/
package org.opendaylight.protocol.bgp.rib.impl;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.annotations.VisibleForTesting;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
import io.netty.buffer.PooledByteBufAllocator;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.channel.EventLoopGroup;
+import io.netty.channel.FixedRecvByteBufAllocator;
+import io.netty.channel.WriteBufferWaterMark;
+import io.netty.channel.epoll.Epoll;
+import io.netty.channel.epoll.EpollChannelOption;
+import io.netty.channel.epoll.EpollEventLoopGroup;
+import io.netty.channel.epoll.EpollMode;
+import io.netty.channel.epoll.EpollServerSocketChannel;
+import io.netty.channel.epoll.EpollSocketChannel;
import io.netty.channel.socket.SocketChannel;
import io.netty.channel.socket.nio.NioServerSocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.util.concurrent.DefaultPromise;
-import io.netty.util.concurrent.EventExecutor;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.GlobalEventExecutor;
import io.netty.util.concurrent.Promise;
import java.net.InetSocketAddress;
+import java.util.concurrent.TimeUnit;
import org.opendaylight.protocol.bgp.parser.spi.MessageRegistry;
import org.opendaylight.protocol.bgp.rib.impl.protocol.BGPProtocolSessionPromise;
import org.opendaylight.protocol.bgp.rib.impl.protocol.BGPReconnectPromise;
import org.opendaylight.protocol.bgp.rib.impl.spi.ChannelPipelineInitializer;
import org.opendaylight.protocol.bgp.rib.spi.BGPSession;
import org.opendaylight.protocol.bgp.rib.spi.BGPSessionNegotiatorFactory;
-import org.opendaylight.protocol.framework.ReconnectStrategy;
-import org.opendaylight.protocol.framework.ReconnectStrategyFactory;
-import org.opendaylight.tcpmd5.api.KeyMapping;
-import org.opendaylight.tcpmd5.netty.MD5ChannelFactory;
-import org.opendaylight.tcpmd5.netty.MD5ChannelOption;
-import org.opendaylight.tcpmd5.netty.MD5ServerChannelFactory;
+import org.opendaylight.protocol.concepts.KeyMapping;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class BGPDispatcherImpl implements BGPDispatcher, AutoCloseable {
private static final Logger LOG = LoggerFactory.getLogger(BGPDispatcherImpl.class);
private static final int SOCKET_BACKLOG_SIZE = 128;
- private static final int HIGH_WATER_MARK = 256 * 1024;
- private static final int LOW_WATER_MARK = 128 * 1024;
+ private static final int FIX_BUFFER_SIZE = 1;
+ private static final long TIMEOUT = 10;
+
+ private static final WriteBufferWaterMark WATER_MARK = new WriteBufferWaterMark(128 * 1024, 256 * 1024);
- private final MD5ServerChannelFactory<?> serverChannelFactory;
- private final MD5ChannelFactory<?> channelFactory;
private final BGPHandlerFactory handlerFactory;
private final EventLoopGroup bossGroup;
private final EventLoopGroup workerGroup;
- private final EventExecutor executor;
- private Optional<KeyMapping> keys;
-
- public BGPDispatcherImpl(final MessageRegistry messageRegistry, final EventLoopGroup bossGroup, final EventLoopGroup workerGroup) {
- this(messageRegistry, bossGroup, workerGroup, null, null);
- }
+ private final BGPPeerRegistry bgpPeerRegistry;
- public BGPDispatcherImpl(final MessageRegistry messageRegistry, final EventLoopGroup bossGroup, final EventLoopGroup workerGroup, final MD5ChannelFactory<?> cf, final MD5ServerChannelFactory<?> scf) {
- this.bossGroup = Preconditions.checkNotNull(bossGroup);
- this.workerGroup = Preconditions.checkNotNull(workerGroup);
- this.executor = Preconditions.checkNotNull(GlobalEventExecutor.INSTANCE);
+ public BGPDispatcherImpl(final MessageRegistry messageRegistry, final EventLoopGroup bossGroup,
+ final EventLoopGroup workerGroup, final BGPPeerRegistry bgpPeerRegistry) {
+ if (Epoll.isAvailable()) {
+ this.bossGroup = new EpollEventLoopGroup();
+ this.workerGroup = new EpollEventLoopGroup();
+ } else {
+ this.bossGroup = requireNonNull(bossGroup);
+ this.workerGroup = requireNonNull(workerGroup);
+ }
+ this.bgpPeerRegistry = requireNonNull(bgpPeerRegistry);
this.handlerFactory = new BGPHandlerFactory(messageRegistry);
- this.channelFactory = cf;
- this.serverChannelFactory = scf;
- this.keys = Optional.absent();
}
- @Override
- public synchronized Future<BGPSessionImpl> createClient(final InetSocketAddress address, final BGPPeerRegistry listener, final ReconnectStrategy strategy) {
- final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(listener);
- final ChannelPipelineInitializer initializer = BGPChannel.createChannelPipelineInitializer(BGPDispatcherImpl.this.handlerFactory, snf);
-
- final Bootstrap bootstrap = createClientBootStrap();
- final BGPProtocolSessionPromise sessionPromise = new BGPProtocolSessionPromise(this.executor, address, strategy, bootstrap);
- bootstrap.handler(BGPChannel.createChannelInitializer(initializer, sessionPromise));
+ @VisibleForTesting
+ public synchronized Future<BGPSessionImpl> createClient(final InetSocketAddress localAddress,
+ final InetSocketAddress remoteAddress, final int retryTimer, final boolean reuseAddress) {
+ final Bootstrap clientBootStrap = createClientBootStrap(KeyMapping.getKeyMapping(), reuseAddress, localAddress);
+ final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(this.bgpPeerRegistry);
+ final ChannelPipelineInitializer<BGPSessionImpl> initializer = BGPChannel.createChannelPipelineInitializer(
+ this.handlerFactory, snf);
+
+ final BGPProtocolSessionPromise<BGPSessionImpl> sessionPromise = new BGPProtocolSessionPromise<>(remoteAddress,
+ retryTimer, clientBootStrap, this.bgpPeerRegistry);
+ clientBootStrap.handler(BGPChannel.createClientChannelHandler(initializer, sessionPromise));
sessionPromise.connect();
LOG.debug("Client created.");
return sessionPromise;
}
- protected Bootstrap createClientBootStrap() {
+ private synchronized Bootstrap createClientBootStrap(final KeyMapping keys, final boolean reuseAddress,
+ final InetSocketAddress localAddress) {
final Bootstrap bootstrap = new Bootstrap();
- if (this.keys.isPresent()) {
- if (this.channelFactory == null) {
- throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
- }
- bootstrap.channelFactory(this.channelFactory);
- bootstrap.option(MD5ChannelOption.TCP_MD5SIG, this.keys.get());
+ if (Epoll.isAvailable()) {
+ bootstrap.channel(EpollSocketChannel.class);
+ bootstrap.option(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
} else {
bootstrap.channel(NioSocketChannel.class);
}
+ if (keys != null && !keys.isEmpty()) {
+ if (Epoll.isAvailable()) {
+ bootstrap.option(EpollChannelOption.TCP_MD5SIG, keys);
+ } else {
+ throw new UnsupportedOperationException(Epoll.unavailabilityCause().getCause());
+ }
+ }
// Make sure we are doing round-robin processing
- bootstrap.option(ChannelOption.MAX_MESSAGES_PER_READ, 1);
+ bootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, new FixedRecvByteBufAllocator(FIX_BUFFER_SIZE));
bootstrap.option(ChannelOption.SO_KEEPALIVE, Boolean.TRUE);
- bootstrap.option(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATER_MARK);
- bootstrap.option(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATER_MARK);
+ bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK, WATER_MARK);
+ bootstrap.option(ChannelOption.SO_REUSEADDR, reuseAddress);
- if (bootstrap.group() == null) {
+ if (bootstrap.config().group() == null) {
bootstrap.group(this.workerGroup);
}
+ bootstrap.localAddress(localAddress);
return bootstrap;
}
@Override
- public void close() {
+ public synchronized void close() {
+ if (Epoll.isAvailable()) {
+ LOG.debug("Closing Dispatcher");
+ this.workerGroup.shutdownGracefully(0, TIMEOUT, TimeUnit.SECONDS);
+ this.bossGroup.shutdownGracefully(0, TIMEOUT, TimeUnit.SECONDS);
+ }
}
@Override
- public synchronized Future<Void> createReconnectingClient(final InetSocketAddress address, final BGPPeerRegistry peerRegistry,
- final ReconnectStrategyFactory connectStrategyFactory, final Optional<KeyMapping> keys) {
- final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(peerRegistry);
- this.keys = keys;
- final Bootstrap bootstrap = createClientBootStrap();
- final BGPReconnectPromise reconnectPromise = new BGPReconnectPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE, address,
- connectStrategyFactory, bootstrap, BGPChannel.createChannelPipelineInitializer(BGPDispatcherImpl.this.handlerFactory, snf));
+ public synchronized Future<Void> createReconnectingClient(final InetSocketAddress remoteAddress,
+ final InetSocketAddress localAddress, final int retryTimer, final KeyMapping keys) {
+ return createReconnectingClient(remoteAddress, retryTimer, keys, localAddress, false);
+ }
+
+ @VisibleForTesting
+ synchronized Future<Void> createReconnectingClient(final InetSocketAddress remoteAddress,
+ final int retryTimer, final KeyMapping keys, final InetSocketAddress localAddress,
+ final boolean reuseAddress) {
+ final BGPClientSessionNegotiatorFactory snf = new BGPClientSessionNegotiatorFactory(this.bgpPeerRegistry);
+ final Bootstrap bootstrap = createClientBootStrap(keys, reuseAddress, localAddress);
+ final BGPReconnectPromise<?> reconnectPromise = new BGPReconnectPromise<>(GlobalEventExecutor.INSTANCE,
+ remoteAddress, retryTimer, bootstrap, this.bgpPeerRegistry,
+ BGPChannel.createChannelPipelineInitializer(this.handlerFactory, snf));
reconnectPromise.connect();
- this.keys = Optional.absent();
return reconnectPromise;
}
@Override
- public ChannelFuture createServer(final BGPPeerRegistry registry, final InetSocketAddress address) {
- final BGPServerSessionNegotiatorFactory snf = new BGPServerSessionNegotiatorFactory(registry);
- final ChannelPipelineInitializer initializer = BGPChannel.createChannelPipelineInitializer(BGPDispatcherImpl.this.handlerFactory, snf);
+ public synchronized ChannelFuture createServer(final InetSocketAddress serverAddress) {
+ final BGPServerSessionNegotiatorFactory snf = new BGPServerSessionNegotiatorFactory(this.bgpPeerRegistry);
+ final ChannelPipelineInitializer<?> initializer = BGPChannel.
+ createChannelPipelineInitializer(this.handlerFactory, snf);
final ServerBootstrap serverBootstrap = createServerBootstrap(initializer);
- final ChannelFuture channelFuture = serverBootstrap.bind(address);
- LOG.debug("Initiated server {} at {}.", channelFuture, address);
+ final ChannelFuture channelFuture = serverBootstrap.bind(serverAddress);
+ LOG.debug("Initiated server {} at {}.", channelFuture, serverAddress);
return channelFuture;
}
- private ServerBootstrap createServerBootstrap(final ChannelPipelineInitializer initializer) {
+ @Override
+ public BGPPeerRegistry getBGPPeerRegistry() {
+ return this.bgpPeerRegistry;
+ }
+
+ private synchronized ServerBootstrap createServerBootstrap(final ChannelPipelineInitializer initializer) {
final ServerBootstrap serverBootstrap = new ServerBootstrap();
- serverBootstrap.childHandler(BGPChannel.createChannelInitializer(initializer, new DefaultPromise(BGPDispatcherImpl.this.executor)));
- serverBootstrap.option(ChannelOption.SO_BACKLOG, Integer.valueOf(SOCKET_BACKLOG_SIZE));
- serverBootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
- serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_HIGH_WATER_MARK, HIGH_WATER_MARK);
- serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_LOW_WATER_MARK, LOW_WATER_MARK);
- if (this.keys.isPresent()) {
- if (this.serverChannelFactory == null) {
- throw new UnsupportedOperationException("No key access instance available, cannot use key mapping");
- }
- serverBootstrap.channelFactory(this.serverChannelFactory);
- serverBootstrap.option(MD5ChannelOption.TCP_MD5SIG, this.keys.get());
+ if (Epoll.isAvailable()) {
+ serverBootstrap.channel(EpollServerSocketChannel.class);
+ serverBootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
} else {
serverBootstrap.channel(NioServerSocketChannel.class);
}
+ final ChannelHandler serverChannelHandler = BGPChannel.createServerChannelHandler(initializer);
+ serverBootstrap.childHandler(serverChannelHandler);
+
+ serverBootstrap.option(ChannelOption.SO_BACKLOG, SOCKET_BACKLOG_SIZE);
+ serverBootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
+ serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, WATER_MARK);
// Make sure we are doing round-robin processing
- serverBootstrap.option(ChannelOption.MAX_MESSAGES_PER_READ, 1);
+ serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, new FixedRecvByteBufAllocator(FIX_BUFFER_SIZE));
- if (serverBootstrap.group() == null) {
+ if (serverBootstrap.config().group() == null) {
serverBootstrap.group(this.bossGroup, this.workerGroup);
}
return serverBootstrap;
}
- public static <S extends BGPSession, T extends BGPSessionNegotiatorFactory> ChannelPipelineInitializer
- createChannelPipelineInitializer(final BGPHandlerFactory hf, final T snf) {
- return new ChannelPipelineInitializer<S>() {
+ static <S extends BGPSession, T extends BGPSessionNegotiatorFactory<S>> ChannelPipelineInitializer<S>
+ createChannelPipelineInitializer(final BGPHandlerFactory hf, final T snf) {
+ return (channel, promise) -> {
+ channel.pipeline().addLast(hf.getDecoders());
+ channel.pipeline().addLast(NEGOTIATOR, snf.getSessionNegotiator(channel, promise));
+ channel.pipeline().addLast(hf.getEncoders());
+ };
+ }
+
+ static <S extends BGPSession> ChannelHandler createClientChannelHandler(
+ final ChannelPipelineInitializer<S> initializer, final Promise<S> promise) {
+ return new ChannelInitializer<SocketChannel>() {
@Override
- public void initializeChannel(final SocketChannel channel, final Promise<S> promise) {
- channel.pipeline().addLast(hf.getDecoders());
- channel.pipeline().addLast(NEGOTIATOR, snf.getSessionNegotiator(channel, promise));
- channel.pipeline().addLast(hf.getEncoders());
+ protected void initChannel(final SocketChannel channel) {
+ initializer.initializeChannel(channel, promise);
}
};
}
- public static <S extends BGPSession> ChannelHandler createChannelInitializer(final ChannelPipelineInitializer initializer, final Promise<S> promise) {
+ static ChannelHandler createServerChannelHandler(final ChannelPipelineInitializer initializer) {
return new ChannelInitializer<SocketChannel>() {
@Override
+ @SuppressWarnings("unchecked")
protected void initChannel(final SocketChannel channel) {
- initializer.initializeChannel(channel, promise);
+ initializer.initializeChannel(channel,
+ new DefaultPromise<BGPSessionImpl>(GlobalEventExecutor.INSTANCE));
}
};
}
}
-}
+}
\ No newline at end of file
Code Review / bgpcep.git / blobdiff