*/
package org.opendaylight.protocol.framework;
+import java.io.Closeable;
+import java.net.InetSocketAddress;
+import java.net.SocketAddress;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
import com.google.common.base.Preconditions;
import io.netty.bootstrap.Bootstrap;
import io.netty.bootstrap.ServerBootstrap;
-import io.netty.channel.Channel;
import io.netty.buffer.PooledByteBufAllocator;
+import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
import io.netty.channel.ChannelOption;
import io.netty.util.concurrent.GlobalEventExecutor;
import io.netty.util.concurrent.Promise;
-import java.io.Closeable;
-import java.net.InetSocketAddress;
-import java.net.SocketAddress;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
/**
* Dispatcher class for creating servers and clients. The idea is to first create servers and clients and the run the
* start method that will handle sockets in different thread.
*/
+@Deprecated
public abstract class AbstractDispatcher<S extends ProtocolSession<?>, L extends SessionListener<?, ?, ?>> implements Closeable {
*/
protected Future<S> createClient(final InetSocketAddress address, final ReconnectStrategy strategy, final PipelineInitializer<S> initializer) {
final Bootstrap b = new Bootstrap();
- final ProtocolSessionPromise<S> p = new ProtocolSessionPromise<S>(executor, address, strategy, b);
+ final ProtocolSessionPromise<S> p = new ProtocolSessionPromise<>(executor, address, strategy, b);
b.option(ChannelOption.SO_KEEPALIVE, true).handler(
new ChannelInitializer<SocketChannel>() {
@Override
});
customizeBootstrap(b);
+ setWorkerGroup(b);
+ setChannelFactory(b);
+
+ p.connect();
+ LOG.debug("Client created.");
+ return p;
+ }
+ private void setWorkerGroup(final Bootstrap b) {
if (b.group() == null) {
b.group(workerGroup);
}
+ }
- // There is no way to detect if this was already set by
- // customizeBootstrap()
- try {
- b.channel(NioSocketChannel.class);
- } catch (IllegalStateException e) {
- LOG.trace("Not overriding channelFactory on bootstrap {}", b, e);
- }
+ /**
+ * Create a client but use a pre-configured bootstrap.
+ * This method however replaces the ChannelInitializer in the bootstrap. All other configuration is preserved.
+ *
+ * @param address remote address
+ */
+ protected Future<S> createClient(final InetSocketAddress address, final ReconnectStrategy strategy, final Bootstrap bootstrap, final PipelineInitializer<S> initializer) {
+ final ProtocolSessionPromise<S> p = new ProtocolSessionPromise<>(executor, address, strategy, bootstrap);
+
+ bootstrap.handler(
+ new ChannelInitializer<SocketChannel>() {
+ @Override
+ protected void initChannel(final SocketChannel ch) {
+ initializer.initializeChannel(ch, p);
+ }
+ });
p.connect();
LOG.debug("Client created.");
}
/**
+ *
+ * @deprecated use {@link org.opendaylight.protocol.framework.AbstractDispatcher#createReconnectingClient(java.net.InetSocketAddress, ReconnectStrategyFactory, org.opendaylight.protocol.framework.AbstractDispatcher.PipelineInitializer)} with only one reconnectStrategyFactory instead.
+ *
* Creates a client.
*
* @param address remote address
* @return Future representing the reconnection task. It will report completion based on reestablishStrategy, e.g.
* success if it indicates no further attempts should be made and failure if it reports an error
*/
+ @Deprecated
protected Future<Void> createReconnectingClient(final InetSocketAddress address, final ReconnectStrategyFactory connectStrategyFactory,
final ReconnectStrategy reestablishStrategy, final PipelineInitializer<S> initializer) {
+ return createReconnectingClient(address, connectStrategyFactory, initializer);
+ }
- final ReconnectPromise<S, L> p = new ReconnectPromise<S, L>(GlobalEventExecutor.INSTANCE, this, address, connectStrategyFactory, reestablishStrategy, initializer);
- p.connect();
+ /**
+ * Creates a reconnecting client.
+ *
+ * @param address remote address
+ * @param connectStrategyFactory Factory for creating reconnection strategy for every reconnect attempt
+ *
+ * @return Future representing the reconnection task. It will report completion based on reestablishStrategy, e.g.
+ * success is never reported, only failure when it runs out of reconnection attempts.
+ */
+ protected Future<Void> createReconnectingClient(final InetSocketAddress address, final ReconnectStrategyFactory connectStrategyFactory,
+ final PipelineInitializer<S> initializer) {
+ final Bootstrap b = new Bootstrap();
+
+ final ReconnectPromise<S, L> p = new ReconnectPromise<>(GlobalEventExecutor.INSTANCE, this, address, connectStrategyFactory, b, initializer);
+
+ b.option(ChannelOption.SO_KEEPALIVE, true);
+ customizeBootstrap(b);
+ setWorkerGroup(b);
+ setChannelFactory(b);
+
+ p.connect();
return p;
}
+ private void setChannelFactory(final Bootstrap b) {
+ // There is no way to detect if this was already set by
+ // customizeBootstrap()
+ try {
+ b.channel(NioSocketChannel.class);
+ } catch (final IllegalStateException e) {
+ LOG.trace("Not overriding channelFactory on bootstrap {}", b, e);
+ }
+ }
+
/**
* @deprecated Should only be used with {@link AbstractDispatcher#AbstractDispatcher()}
*/
this.bossGroup.shutdownGracefully();
}
}
-
}