org.springframework.boot.autoconfigure.rsocket.RSocketServerAutoConfiguration Maven / Gradle / Ivy
/*
* Copyright 2012-2020 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
*
* https://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.boot.autoconfigure.rsocket;
import java.util.stream.Collectors;
import io.rsocket.core.RSocketServer;
import io.rsocket.frame.decoder.PayloadDecoder;
import io.rsocket.transport.netty.server.TcpServerTransport;
import reactor.netty.http.server.HttpServer;
import org.springframework.beans.factory.ObjectProvider;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.condition.AllNestedConditions;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.boot.context.properties.PropertyMapper;
import org.springframework.boot.rsocket.context.RSocketServerBootstrap;
import org.springframework.boot.rsocket.netty.NettyRSocketServerFactory;
import org.springframework.boot.rsocket.server.RSocketServerCustomizer;
import org.springframework.boot.rsocket.server.RSocketServerFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Conditional;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.buffer.NettyDataBufferFactory;
import org.springframework.http.client.reactive.ReactorResourceFactory;
import org.springframework.messaging.rsocket.RSocketStrategies;
import org.springframework.messaging.rsocket.annotation.support.RSocketMessageHandler;
/**
* {@link EnableAutoConfiguration Auto-configuration} for RSocket servers. In the case of
* {@link org.springframework.boot.WebApplicationType#REACTIVE}, the RSocket server is
* added as a WebSocket endpoint on the existing
* {@link org.springframework.boot.web.embedded.netty.NettyWebServer}. If a specific
* server port is configured, a new standalone RSocket server is created.
*
* @author Brian Clozel
* @since 2.2.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass({ RSocketServer.class, RSocketStrategies.class, HttpServer.class, TcpServerTransport.class })
@ConditionalOnBean(RSocketMessageHandler.class)
@AutoConfigureAfter(RSocketStrategiesAutoConfiguration.class)
@EnableConfigurationProperties(RSocketProperties.class)
public class RSocketServerAutoConfiguration {
@Conditional(OnRSocketWebServerCondition.class)
@Configuration(proxyBeanMethods = false)
static class WebFluxServerAutoConfiguration {
@Bean
@ConditionalOnMissingBean
RSocketWebSocketNettyRouteProvider rSocketWebsocketRouteProvider(RSocketProperties properties,
RSocketMessageHandler messageHandler, ObjectProvider customizers) {
return new RSocketWebSocketNettyRouteProvider(properties.getServer().getMappingPath(),
messageHandler.responder(), customizers.orderedStream());
}
}
@ConditionalOnProperty(prefix = "spring.rsocket.server", name = "port")
@Configuration(proxyBeanMethods = false)
static class EmbeddedServerAutoConfiguration {
@Bean
@ConditionalOnMissingBean
ReactorResourceFactory reactorResourceFactory() {
return new ReactorResourceFactory();
}
@Bean
@ConditionalOnMissingBean
RSocketServerFactory rSocketServerFactory(RSocketProperties properties, ReactorResourceFactory resourceFactory,
ObjectProvider customizers) {
NettyRSocketServerFactory factory = new NettyRSocketServerFactory();
factory.setResourceFactory(resourceFactory);
factory.setTransport(properties.getServer().getTransport());
PropertyMapper map = PropertyMapper.get().alwaysApplyingWhenNonNull();
map.from(properties.getServer().getAddress()).to(factory::setAddress);
map.from(properties.getServer().getPort()).to(factory::setPort);
map.from(properties.getServer().getFragmentSize()).to(factory::setFragmentSize);
map.from(properties.getServer().getSsl()).to(factory::setSsl);
factory.setRSocketServerCustomizers(customizers.orderedStream().collect(Collectors.toList()));
return factory;
}
@Bean
@ConditionalOnMissingBean
RSocketServerBootstrap rSocketServerBootstrap(RSocketServerFactory rSocketServerFactory,
RSocketMessageHandler rSocketMessageHandler) {
return new RSocketServerBootstrap(rSocketServerFactory, rSocketMessageHandler.responder());
}
@Bean
RSocketServerCustomizer frameDecoderRSocketServerCustomizer(RSocketMessageHandler rSocketMessageHandler) {
return (server) -> {
if (rSocketMessageHandler.getRSocketStrategies()
.dataBufferFactory() instanceof NettyDataBufferFactory) {
server.payloadDecoder(PayloadDecoder.ZERO_COPY);
}
};
}
}
static class OnRSocketWebServerCondition extends AllNestedConditions {
OnRSocketWebServerCondition() {
super(ConfigurationPhase.PARSE_CONFIGURATION);
}
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.REACTIVE)
static class IsReactiveWebApplication {
}
@ConditionalOnProperty(prefix = "spring.rsocket.server", name = "port", matchIfMissing = true)
static class HasNoPortConfigured {
}
@ConditionalOnProperty(prefix = "spring.rsocket.server", name = "mapping-path")
static class HasMappingPathConfigured {
}
@ConditionalOnProperty(prefix = "spring.rsocket.server", name = "transport", havingValue = "websocket")
static class HasWebsocketTransportConfigured {
}
}
}