Socket.D v2.5.20

适配对接 Solon WebSocket 接口

</> markdown

此例,直接将 Solon 的 WebSocket 监器接口转换为 Socket.D 的监听器(只需要引入 Socket.D 的内核包,不需要引入传输包),方便复用 Solon 的 Http 端口。其它 WebSocket Server 接口,也可以参考此例。

引入内核包:

<dependency>
    <groupId>org.noear</groupId>
    <artifactId>socketd</artifactId>
    <version>2.5.20</version>
</dependency>

<dependency>
    <groupId>org.noear</groupId>
    <artifactId>solon-net</artifactId>
    <version>最新版</version>
</dependency>

先启用 WebSocket

public class App {
    public static void main(String[] args) {
        Solon.start(App.class, args, app-> {
            app.enableWebSocket(true);
        });
    }
}

1、应用示例

  • Broker 应用参考
//定义 websocket 处理,并转为 socket.d 监听接口(使用 BrokerListener)
@ServerEndpoint("/demo/websocket")
public class WebSocketToSocketd extends ToSocketdWebSocketListener {
    public WebSocketToSocketd() {
        // clientMode=false,表示服务端模式
        super(new ConfigDefault(false).fragmentHandler(new BrokerFragmentHandler()), 
              new BrokerListener());
    }
}
  • 常规应用参考
//定义 websocket 处理,并转为 socket.d 监听接口(也可以在这个类上,直接实现 Listener 接口)
@ServerEndpoint("/demo/websocket")
public class WebSocketToSocketd extends ToSocketdWebSocketListener {
    //注入 socket.d 协议监听器
    @Inject
    Listener socketdListener;

    public WebSocketToSocketd() {
        // clientMode=false,表示服务端模式
        super(new ConfigDefault(false));
    }
    
    @Init
    public void init(){
        setListener(socketdListener);
    }
}

//定义 socket.d 监听实现(可以扩展 socket.d 内置的几个监听器)
@Component
public class ListenerImpl implements Listener {
    ...
}

2、配合 H5 演示示例:

  • 前端界面(打开后,把地址和端口改成对应的)

/demo/demo01-js-ws/

  • 配套服务端代码 - java:
@ServerEndpoint("/")
public class WebSocketToSocketd extends ToSocketdWebSocketListener {
    public WebSocketToSocketd() {
        super(new ConfigDefault(false));

        setListener(buildListener());
    }

    /**
     * 构建监听器
     */
    private  Listener buildListener() {
        return new EventListener()
                .doOnOpen(s -> {
                    System.out.println("onOpen: " + s.sessionId());
                }).doOnMessage((s, m) -> {
                    System.out.println("onMessage: " + m);
                }).doOn("/demo", (s, m) -> {
                    if (m.isRequest()) {
                        s.reply(m, new StringEntity("me to!"));
                    }

                    if (m.isSubscribe()) {
                        int size = m.metaAsInt(EntityMetas.META_RANGE_SIZE);
                        for (int i = 1; i <= size; i++) {
                            s.reply(m, new StringEntity("me to-" + i));
                        }
                        s.replyEnd(m, new StringEntity("welcome to my home!"));
                    }
                }).doOn("/upload", (s, m) -> {
                    if (m.isRequest()) {
                        String fileName = m.meta(EntityMetas.META_DATA_DISPOSITION_FILENAME);
                        if (StrUtils.isEmpty(fileName)) {
                            s.reply(m, new StringEntity("no file! size: " + m.dataSize()));
                        } else {
                            s.reply(m, new StringEntity("file received: " + fileName + ", size: " + m.dataSize()));
                        }
                    }
                }).doOn("/download", (s, m) -> {
                    if (m.isRequest()) {
                        FileEntity fileEntity = new FileEntity(new File("/Users/noear/Movies/snack3-rce-poc.mov"));
                        s.reply(m, fileEntity);
                    }
                }).doOn("/push", (s, m) -> {
                    if (s.attrHas("push")) {
                        return;
                    }

                    s.attrPut("push", "1");

                    while (true) {
                        if (s.attrHas("push") == false) {
                            break;
                        }

                        s.send("/push", new StringEntity("push test"));
                        RunUtils.runAndTry(() -> Thread.sleep(200));
                    }
                }).doOn("/unpush", (s, m) -> {
                    s.attrMap().remove("push");
                })
                .doOnClose(s -> {
                    System.out.println("onClose: " + s.sessionId());
                }).doOnError((s, err) -> {
                    System.out.println("onError: " + s.sessionId());
                    err.printStackTrace();
                });
    }
}