我有http://java-websocket.org/的以下网络套接字服务器代码:
public class WebsocketServer extends WebSocketServer {
private static int PORT = 2005;
private Set<WebSocket> conns;
public WebsocketServer() {
super(new InetSocketAddress(PORT));
conns = new HashSet<>();
}
@Override
public void onOpen(WebSocket conn, ClientHandshake handshake) {
conns.add(conn);
System.out.println("New connection from " + conn.getRemoteSocketAddress().getAddress().getHostAddress());
}
@Override
public void onClose(WebSocket conn, int code, String reason, boolean remote) {
conns.remove(conn);
System.out.println("Closed connection to " + conn.getRemoteSocketAddress().getAddress().getHostAddress());
}
@Override
public void onMessage(WebSocket conn, String message) {
System.out.println("Received: " + message);
for (WebSocket sock : conns) {
sock.send(messageToSend);
}
}
@Override
public void onError(WebSocket conn, Exception ex) {
ex.printStackTrace();
if (conn != null) {
conns.remove(conn);
// do some thing if required
}
System.out.println("ERROR from " + conn.getRemoteSocketAddress().getAddress().getHostAddress());
}
public static void main(String[] args) throws IOException, InterruptedException {
WebsocketServer server = new WebsocketServer();
server.run();
BufferedReader sysin = new BufferedReader(new InputStreamReader(System.in));
while (true) {
String in = sysin.readLine();
server.sendToAll(in);
if (in.equals("exit")) {
server.stop();
break;
} else if (in.equals("restart")) {
server.stop();
server.start();
break;
}
}
}
public void sendToAll(String text) {
Collection<WebSocket> con = connections();
synchronized (con) {
for (WebSocket c : con) {
c.send(text);
}
}
}
}
代码运行正常,但server.run();
之后的所有代码都无法启动/工作!我需要将消息从Java控制台发送到客户端。
我做错了什么?
注意:我的客户端使用JavaScript工作,可以连接到服务器
答案 0 :(得分:1)
您需要start()
Runnable
课程,不 run()
直接
server.start();
而不是
server.run();