package com.steerinfo.dil.config;

import org.springframework.context.annotation.Configuration;
import org.springframework.messaging.simp.config.ChannelRegistration;
import org.springframework.messaging.simp.config.MessageBrokerRegistry;
import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker;
import org.springframework.web.socket.config.annotation.StompEndpointRegistry;
import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer;

@Configuration
@EnableWebSocketMessageBroker
public class WebSocketConfig implements WebSocketMessageBrokerConfigurer {

    @Override
    public void registerStompEndpoints(StompEndpointRegistry stompEndpointRegistry) {
        stompEndpointRegistry
                .addEndpoint("/webSocket")
                .setAllowedOrigins("*")
                .withSockJS(); //使用sockJS

    }

    @Override
    public void configureMessageBroker(MessageBrokerRegistry registry) {
        //这里使用的是内存模式，生产环境可以使用rabbitmq或者其他mq。
        //这里注册两个，主要是目的是将广播和队列分开。
        //registry.enableStompBrokerRelay().setRelayHost().setRelayPort() 其他方式
        registry.enableSimpleBroker("/topic");
        //设置客户端前缀 即@MessageMapping
        registry.setApplicationDestinationPrefixes("/app");
        //点对点发送前缀
        registry.setUserDestinationPrefix("/user");
    }

    /**
     * 输入通道参数配置
     *
     * @param registration
     */
    @Override
    public void configureClientInboundChannel(ChannelRegistration registration) {
    }
}