com.hazelcast.client.connection.nio.ClientPlainChannelInitializer Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.client.connection.nio;
import com.hazelcast.client.config.SocketOptions;
import com.hazelcast.client.impl.protocol.ClientMessage;
import com.hazelcast.client.impl.protocol.util.ClientMessageDecoder;
import com.hazelcast.client.impl.protocol.util.ClientMessageEncoder;
import com.hazelcast.internal.networking.Channel;
import com.hazelcast.internal.networking.ChannelInitializer;
import com.hazelcast.util.function.Consumer;
import static com.hazelcast.client.config.SocketOptions.KILO_BYTE;
import static com.hazelcast.internal.networking.ChannelOption.DIRECT_BUF;
import static com.hazelcast.internal.networking.ChannelOption.SO_KEEPALIVE;
import static com.hazelcast.internal.networking.ChannelOption.SO_LINGER;
import static com.hazelcast.internal.networking.ChannelOption.SO_RCVBUF;
import static com.hazelcast.internal.networking.ChannelOption.SO_REUSEADDR;
import static com.hazelcast.internal.networking.ChannelOption.SO_SNDBUF;
import static com.hazelcast.internal.networking.ChannelOption.SO_TIMEOUT;
import static com.hazelcast.internal.networking.ChannelOption.TCP_NODELAY;
/**
* Client side ChannelInitializer for connections without SSL/TLS. Client in this
* case is a real client using client protocol etc.
*
* It will automatically send the Client Protocol to the server and configure the
* correct buffers/handlers.
*/
public class ClientPlainChannelInitializer implements ChannelInitializer {
private final boolean directBuffer;
private final SocketOptions socketOptions;
public ClientPlainChannelInitializer(SocketOptions socketOptions, boolean directBuffer) {
this.socketOptions = socketOptions;
this.directBuffer = directBuffer;
}
@Override
public void initChannel(Channel channel) {
channel.options()
.setOption(SO_SNDBUF, KILO_BYTE * socketOptions.getBufferSize())
.setOption(SO_RCVBUF, KILO_BYTE * socketOptions.getBufferSize())
.setOption(SO_REUSEADDR, socketOptions.isReuseAddress())
.setOption(SO_KEEPALIVE, socketOptions.isKeepAlive())
.setOption(SO_LINGER, socketOptions.getLingerSeconds())
.setOption(SO_TIMEOUT, 0)
.setOption(TCP_NODELAY, socketOptions.isTcpNoDelay())
.setOption(DIRECT_BUF, directBuffer);
final ClientConnection connection = (ClientConnection) channel.attributeMap().get(ClientConnection.class);
ClientMessageDecoder decoder = new ClientMessageDecoder(connection, new Consumer() {
@Override
public void accept(ClientMessage message) {
connection.handleClientMessage(message);
}
});
channel.inboundPipeline().addLast(decoder);
channel.outboundPipeline().addLast(new ClientMessageEncoder());
// before a client sends any data, it first needs to send the protocol.
// so the protocol encoder is actually the last handler in the outbound pipeline.
channel.outboundPipeline().addLast(new ClientProtocolEncoder());
}
}