/*
* Copyright 2014 Netflix, Inc.
*
* 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 io.reactivex.netty.protocol.http.websocket;
import io.netty.bootstrap.Bootstrap;
import io.netty.channel.Channel;
import io.netty.channel.EventLoopGroup;
import io.netty.channel.epoll.EpollSocketChannel;
import io.netty.channel.socket.SocketChannel;
import io.netty.handler.codec.http.websocketx.WebSocketFrame;
import io.netty.handler.codec.http.websocketx.WebSocketVersion;
import io.reactivex.netty.RxNetty;
import io.reactivex.netty.channel.ObservableConnection;
import io.reactivex.netty.client.AbstractClientBuilder;
import io.reactivex.netty.client.ClientChannelFactory;
import io.reactivex.netty.client.ClientChannelFactoryImpl;
import io.reactivex.netty.client.ClientConnectionFactory;
import io.reactivex.netty.client.ClientMetricsEvent;
import io.reactivex.netty.client.UnpooledClientConnectionFactory;
import io.reactivex.netty.metrics.MetricEventsListener;
import io.reactivex.netty.metrics.MetricEventsListenerFactory;
import io.reactivex.netty.pipeline.PipelineConfigurator;
import java.net.URI;
import java.net.URISyntaxException;
/**
* @author Tomasz Bak
*/
public class WebSocketClientBuilder<I extends WebSocketFrame, O extends WebSocketFrame> extends AbstractClientBuilder<I, O, WebSocketClientBuilder<I, O>, WebSocketClient<I, O>> {
private URI webSocketURI = URI.create("/");
private WebSocketVersion webSocketVersion = WebSocketVersion.V13;
private boolean messageAggregation;
private String subprotocol;
private boolean allowExtensions;
private int maxFramePayloadLength = 65536;
public WebSocketClientBuilder(String host, int port) {
this(host, port, new Bootstrap());
}
public WebSocketClientBuilder(String host, int port, Bootstrap bootstrap) {
this(bootstrap, host, port, new UnpooledClientConnectionFactory<O, I>(),
new ClientChannelFactoryImpl<O, I>(bootstrap));
}
public WebSocketClientBuilder(Bootstrap bootstrap, String host, int port,
ClientConnectionFactory<O, I, ? extends ObservableConnection<O, I>> connectionFactory,
ClientChannelFactory<O, I> factory) {
super(bootstrap, host, port, connectionFactory, factory);
}
@Override
protected Class<? extends SocketChannel> defaultSocketChannelClass() {
if (RxNetty.isUsingNativeTransport()) {
return EpollSocketChannel.class;
}
return super.defaultSocketChannelClass();
}
@Override
protected EventLoopGroup defaultEventloop(Class<? extends Channel> socketChannel) {
return RxNetty.getRxEventLoopProvider().globalClientEventLoop(true); // get native eventloop if configured.
}
@Override
protected WebSocketClient<I, O> createClient() {
PipelineConfigurator<O, I> webSocketPipeline = new WebSocketClientPipelineConfigurator<O, I>(
webSocketURI, webSocketVersion, subprotocol, allowExtensions,
maxFramePayloadLength, messageAggregation, eventsSubject);
if (getPipelineConfigurator() != null) {
appendPipelineConfigurator(webSocketPipeline);
} else {
pipelineConfigurator(webSocketPipeline);
}
return new WebSocketClient<I, O>(getOrCreateName(), serverInfo, bootstrap, pipelineConfigurator, clientConfig,
channelFactory, connectionFactory, eventsSubject);
}
@Override
protected String generatedNamePrefix() {
return "WebSocketClient-";
}
public WebSocketClientBuilder<I, O> withWebSocketURI(String uri) {
try {
webSocketURI = new URI(uri);
} catch (URISyntaxException e) {
throw new IllegalArgumentException(e);
}
return this;
}
public WebSocketClientBuilder<I, O> withWebSocketVersion(WebSocketVersion version) {
webSocketVersion = version;
return this;
}
public WebSocketClientBuilder<I, O> withMessageAggregation(boolean messageAggregation) {
this.messageAggregation = messageAggregation;
return this;
}
public WebSocketClientBuilder<I, O> withSubprotocol(String subprotocol) {
this.subprotocol = subprotocol;
return this;
}
public WebSocketClientBuilder<I, O> allowExtensions(boolean allowExtensions) {
this.allowExtensions = allowExtensions;
return this;
}
public WebSocketClientBuilder<I, O> withMaxFramePayloadLength(int maxFramePayloadLength) {
this.maxFramePayloadLength = maxFramePayloadLength;
return this;
}
@SuppressWarnings("rawtypes")
@Override
protected MetricEventsListener<? extends ClientMetricsEvent<? extends Enum>> newMetricsListener(MetricEventsListenerFactory factory, WebSocketClient<I, O> client) {
return factory.forWebSocketClient(client);
}
}