/*
* Copyright 2002-2017 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.messaging.tcp.reactor;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelPipeline;
import reactor.core.publisher.DirectProcessor;
import reactor.core.publisher.Mono;
import reactor.ipc.netty.NettyInbound;
import reactor.ipc.netty.NettyOutbound;
import reactor.ipc.netty.NettyPipeline;
import org.springframework.messaging.Message;
import org.springframework.messaging.tcp.TcpConnection;
import org.springframework.util.concurrent.ListenableFuture;
/**
* Reactor Netty based implementation of {@link TcpConnection}.
*
* @author Rossen Stoyanchev
* @since 5.0
*/
public class ReactorNettyTcpConnection<P> implements TcpConnection<P> {
private final NettyInbound inbound;
private final NettyOutbound outbound;
private final ReactorNettyCodec<P> codec;
private final DirectProcessor<Void> closeProcessor;
public ReactorNettyTcpConnection(NettyInbound inbound, NettyOutbound outbound,
ReactorNettyCodec<P> codec, DirectProcessor<Void> closeProcessor) {
this.inbound = inbound;
this.outbound = outbound;
this.codec = codec;
this.closeProcessor = closeProcessor;
}
@Override
public ListenableFuture<Void> send(Message<P> message) {
ByteBuf byteBuf = this.outbound.alloc().buffer();
this.codec.encode(message, byteBuf);
Mono<Void> sendCompletion = this.outbound.send(Mono.just(byteBuf)).then();
return new MonoToListenableFutureAdapter<>(sendCompletion);
}
@Override
@SuppressWarnings("deprecation")
public void onReadInactivity(Runnable runnable, long inactivityDuration) {
// TODO: workaround for https://github.com/reactor/reactor-netty/issues/22
ChannelPipeline pipeline = this.inbound.context().channel().pipeline();
String name = NettyPipeline.OnChannelReadIdle;
if (pipeline.context(name) != null) {
pipeline.remove(name);
}
this.inbound.onReadIdle(inactivityDuration, runnable);
}
@Override
@SuppressWarnings("deprecation")
public void onWriteInactivity(Runnable runnable, long inactivityDuration) {
this.outbound.onWriteIdle(inactivityDuration, runnable);
}
@Override
public void close() {
this.closeProcessor.onComplete();
}
}