java – spring tcp socket,授权客户端并处理挂起的响应

Spring框架也支持tcp连接,我编写下面的代码来设置一个简单的套接字服务器,我很困惑将下面的期货添加到我的套接字服务器：

>根据唯一标识符(例如从客户端收到的客户端密钥,可能使用TCP Connection Events)授权客户端
>直接向特定客户端发送消息(基于标识符)
>广播消息

更新：

>添加Config.sendMessage以向单个客户端发送消息
> Config.broadCast添加到广播消息
> authorizeIncomingConnection授权客户端,接受或拒绝连接
>添加tcpConnections静态字段以保留tcpEvent源

问题！

>正在使用tcpConnections HashMap好主意？！
>是我实施好的授权方法吗？

Main.java

@SpringBootApplication
public class Main {

    public static void main(final String[] args) {
        SpringApplication.run(Main.class,args);
    }

}

Config.java

@EnableIntegration
@IntegrationComponentScan
@Configuration
public class Config implements ApplicationListenerfig.class.getName());

    @Bean
    public AbstractServerConnectionFactory AbstractServerConnectionFactory() {
        return new TcpNetServerConnectionFactory(8181);
    }

    @Bean
    public TcpInboundGateway TcpInboundGateway(AbstractServerConnectionFactory connectionFactory) {
        TcpInboundGateway inGate = new TcpInboundGateway();
        inGate.setConnectionFactory(connectionFactory);
        inGate.setRequestChannel(getMessageChannel());
        return inGate;
    }

    @Bean
    public MessageChannel getMessageChannel() {
        return new DirectChannel();
    }

    @MessageEndpoint
    public class Echo {

        @Transformer(inputChannel = "getMessageChannel")
        public String convert(byte[] bytes) throws Exception {
            return new String(bytes);
        }

    }

    private static ConcurrentHashMapnopenEvent) {

            LOGGER.info("Socket Opened " + source.getConnectionId());
            tcpConnections.put(tcpEvent.getConnectionId(),source);

            if (!authorizeIncomingConnection(source.getSocketInfo())) {
                LOGGER.warn("Socket Rejected " + source.getConnectionId());
                source.close();
            }

        } else if (tcpEvent instanceof TcpConnectionCloseEvent) {
            LOGGER.info("Socket Closed " + source.getConnectionId());
            tcpConnections.remove(source.getConnectionId());
        }
    }

    private boolean authorizeIncomingConnection(SocketInfo socketInfo) {
        //Authorization Logic,Like Ip,Mac Address WhiteList or anyThing else !
        return (System.currentTimeMillis() / 1000) % 2 == 0;
    }

    public static String broadCast(String message) {
        SetbroadCast Result,Success : " + successCounter + " Failure : " + FailureCounter;
    }

    public static void sendMessage(String connectionId,final String message) throws Exception {
        tcpConnections.get(connectionId).send(new Message

MainController.java

@Controller
public class MainController {

    @RequestMapping("/notify/{connectionId}/{message}")
    @ResponseBody
    public String home(@PathVariable String connectionId,@PathVariable String message) {
        try {
            Config.sendMessage(connectionId,message);
            return "Client Notified !";
        } catch (Exception e) {
            return "Failed To Notify Client,cause : \n " + e.toString();
        }
    }


    @RequestMapping("/broadCast/{message}")
    @ResponseBody
    public String home(@PathVariable String message) {
        return Config.broadCast(message);
    }

}

用法：

>套接字请求/响应模式
>通知单个客户

HTTP：//本地主机：8080 /通知/ {的ConnectionId} / {消息}
> broadCast

HTTP：//本地主机：8080 /广播/消息{}

最佳答案

TcpConnectionopenEvent包含connectionId属性.来自该客户端的每条消息在IpHeaders.CONNECTION_ID消息头中都具有相同的属性.

>添加一个自定义路由器,跟踪每个连接的登录状态.
>查找连接ID,如果未经过身份验证,则路由到质询/响应子流.
>验证时,路由到正常流程.

要使用任意消息传递(而不是请求/响应),请使用TcpReceivingChannelAdapter和TcpsendingMessageHandler而不是入站网关.两者都配置为使用相同的连接工厂.对于发送到消息处理程序的每条消息,添加IpHeaders.CONNECTION_ID标头以定位特定客户端.

要广播,请为每个连接ID发送消息.

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