营养数据计算优化；人脸增加数据处理;其它优化；
This commit is contained in:
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package com.sw.dualscreen.socket;
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import android.annotation.SuppressLint;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketTimeoutException;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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/**
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* 局域网多客户端通信管理器：支持并发、心跳、认证、广播、点对点发送
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* 可用于 Android 和 JVM 程序。
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*/
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public class LanCommunicationManager {
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// ============ 监听配置 ============
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private final int port;
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private final long HEARTBEAT_TIMEOUT_MS;
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private final int MAX_CLIENT_THREADS;
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// ============ 状态 ============
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private volatile boolean running = false;
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private ServerSocket serverSocket;
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// ============ 线程池 ============
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private final ExecutorService acceptExecutor = Executors.newSingleThreadExecutor();
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private final ExecutorService clientExecutor;
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private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor();
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// ============ 客户端会话 ============
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private final ConcurrentHashMap<String, ClientSession> clients = new ConcurrentHashMap<>();
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private final ConcurrentHashMap<Socket, ClientSession> unAuthSessions = new ConcurrentHashMap<>();
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// ============ 回调接口 ============
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public interface Listener {
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// 新客户端完成 AUTH / 认证
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void onClientConnected(String clientId);
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// 客户端断开
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void onClientDisconnected(String clientId);
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// 收到业务消息（type != heartbeat/auth)
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void onMessageReceived(String clientId, JSONObject message);
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}
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private Listener listener;
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// ============ 构造 ============
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public LanCommunicationManager(int port, int maxClientThreads, long heartbeatTimeoutMs) {
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this.port = port;
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this.MAX_CLIENT_THREADS = maxClientThreads;
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this.HEARTBEAT_TIMEOUT_MS = heartbeatTimeoutMs;
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this.clientExecutor = Executors.newFixedThreadPool(Math.max(2, maxClientThreads));
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}
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public void setListener(Listener listener) {
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this.listener = listener;
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}
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// ============ 启动服务端 ============
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@SuppressLint("DiscouragedApi")
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public void start() throws IOException {
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if (running) return;
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running = true;
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serverSocket = new ServerSocket(port);
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serverSocket.setSoTimeout(2000);
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acceptExecutor.execute(this::acceptLoop);
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scheduler.scheduleAtFixedRate(this::heartbeatCheck,
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HEARTBEAT_TIMEOUT_MS,
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HEARTBEAT_TIMEOUT_MS,
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TimeUnit.MILLISECONDS);
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System.out.println("LanCommunicationManager started on port " + port);
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}
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private void acceptLoop() {
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while (running) {
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try {
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Socket socket = serverSocket.accept();
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socket.setSoTimeout((int) HEARTBEAT_TIMEOUT_MS * 2);
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ClientSession session = new ClientSession(socket);
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unAuthSessions.put(socket, session);
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clientExecutor.execute(() -> clientReadLoop(session));
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} catch (SocketTimeoutException ignore) {
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} catch (Exception e) {
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if (running) e.printStackTrace();
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}
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}
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}
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// ============ 处理客户端数据读取 ============
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private void clientReadLoop(ClientSession session) {
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Socket socket = session.socket;
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try (DataInputStream in = new DataInputStream(socket.getInputStream())) {
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while (running && !socket.isClosed()) {
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int len;
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try {
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len = in.readInt();
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} catch (SocketTimeoutException ste) {
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continue;
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}
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if (len <= 0 || len > 10 * 1024 * 1024) break;
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byte[] buf = new byte[len];
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in.readFully(buf);
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session.updateLastSeen();
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JSONObject msg = new JSONObject(new String(buf));
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handleMessage(session, msg);
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}
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} catch (Exception ignored) {
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} finally {
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closeSession(session);
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}
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}
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private void handleMessage(ClientSession session, JSONObject msg) {
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String type = msg.optString("type", "");
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switch (type) {
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case "auth":
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handleAuth(session, msg);
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break;
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case "heartbeat":
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session.updateLastSeen();
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break;
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default:
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if (listener != null && session.clientId != null) {
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listener.onMessageReceived(session.clientId, msg);
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}
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break;
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}
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}
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private void handleAuth(ClientSession session, JSONObject msg) {
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String clientId = msg.optString("clientId", null);
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if (clientId == null) return;
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session.clientId = clientId;
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// 移动到已认证 map
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unAuthSessions.remove(session.socket);
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clients.put(clientId, session);
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if (listener != null) listener.onClientConnected(clientId);
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sendToSession(session, ack("auth_ok"));
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}
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// ============ 心跳超时 ============
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private void heartbeatCheck() {
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long now = System.currentTimeMillis();
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for (Map.Entry<String, ClientSession> e : clients.entrySet()) {
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ClientSession s = e.getValue();
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if (now - s.lastSeen > HEARTBEAT_TIMEOUT_MS) {
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closeSession(s);
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}
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}
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for (ClientSession s : unAuthSessions.values()) {
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if (now - s.lastSeen > HEARTBEAT_TIMEOUT_MS * 2) {
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closeSession(s);
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}
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}
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}
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// ============ 发送 ============
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public boolean sendToClient(String clientId, JSONObject json) {
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ClientSession s = clients.get(clientId);
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return s != null && sendToSession(s, json);
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}
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public void broadcast(JSONObject json) {
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for (ClientSession s : clients.values()) {
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sendToSession(s, json);
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}
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}
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private boolean sendToSession(ClientSession s, JSONObject json) {
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try {
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DataOutputStream out = s.out;
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synchronized (out) {
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byte[] data = json.toString().getBytes();
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out.writeInt(data.length);
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out.write(data);
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out.flush();
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}
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return true;
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} catch (Exception e) {
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closeSession(s);
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return false;
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}
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}
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// ============ ACK ============
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private JSONObject ack(String type) {
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JSONObject j = new JSONObject();
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try {
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j.put("type", "ack");
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j.put("ack", type);
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} catch (JSONException e) {
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throw new RuntimeException(e);
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}
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return j;
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}
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// ============ 停止 ============
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public void stop() {
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running = false;
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try {
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serverSocket.close();
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} catch (Exception ignored) {
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}
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for (ClientSession s : clients.values()) closeSession(s);
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for (ClientSession s : unAuthSessions.values()) closeSession(s);
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acceptExecutor.shutdownNow();
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clientExecutor.shutdownNow();
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scheduler.shutdownNow();
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System.out.println("LanCommunicationManager stopped");
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}
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// ============ 会话类 ============
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public static class ClientSession {
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public final Socket socket;
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public final DataOutputStream out;
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public volatile long lastSeen = System.currentTimeMillis();
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public volatile String clientId;
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public ClientSession(Socket socket) throws IOException {
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this.socket = socket;
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this.out = new DataOutputStream(socket.getOutputStream());
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}
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public void updateLastSeen() {
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lastSeen = System.currentTimeMillis();
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}
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}
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public void closeSession(ClientSession session) {
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if (session == null) return;
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try {
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Socket socket = session.socket;
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// 1. 从已认证表移除
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if (session.clientId != null) {
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ClientSession removed = clients.remove(session.clientId);
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if (removed != null && listener != null) {
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listener.onClientDisconnected(session.clientId);
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}
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}
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// 2. 从未认证表移除
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unAuthSessions.remove(socket);
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// 3. 关闭输出流
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try {
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session.out.close();
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} catch (Exception ignored) {
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}
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// 4. 关闭 socket
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try {
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if (!socket.isClosed()) socket.close();
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} catch (Exception ignored) {
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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@@ -0,0 +1,21 @@
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package com.sw.dualscreen.socket;
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public class LanServer {
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private static volatile LanCommunicationManager instance;
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public static LanCommunicationManager getInstance() {
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if (instance == null) {
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synchronized (LanServer.class) {
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if (instance == null) {
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instance = new LanCommunicationManager(
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5000, // 监听端口
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20, // 最大客户端数
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10_000 // 心跳超时时间 10 秒
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);
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}
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}
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}
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return instance;
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}
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}
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@@ -0,0 +1,22 @@
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package com.sw.face.collect.view
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import android.util.Log
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import com.sw.dualscreen.socket.LanCommunicationManager
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import org.json.JSONObject
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open class LanServerListenerImpl: LanCommunicationManager.Listener {
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companion object {
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private const val TAG = "LanServerListenerImpl"
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}
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override fun onClientConnected(clientId: String?) {
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Log.d(TAG, "addSocketListener,onClientConnected: clientId = $clientId")
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}
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override fun onClientDisconnected(clientId: String?) {
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Log.d(TAG, "addSocketListener,onClientDisconnected: clientId = $clientId")
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}
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override fun onMessageReceived(clientId: String?, message: JSONObject?) {
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Log.d(TAG, "addSocketListener,onMessageReceived: clientId = $clientId，message = $message")
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}
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}
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@@ -0,0 +1,330 @@
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package com.sw.dualscreen.socket;
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import android.util.Log;
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import org.json.JSONObject;
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import java.io.DataInputStream;
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import java.io.DataOutputStream;
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import java.net.InetSocketAddress;
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import java.net.Socket;
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import java.net.SocketTimeoutException;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.ScheduledFuture;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicBoolean;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* TcpClient - Android ready
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* <p>
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* Features:
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* - length-prefix protocol (int length + bytes)
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* - separate read thread and write queue & writer thread
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* - auto-reconnect with exponential backoff
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* - heartbeat scheduler
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* - send queue with optional callback for send result
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* - auto send "auth" JSON after connection
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*/
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public class TcpClient {
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private static final String TAG = "TcpClient";
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// configuration
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private final String serverIp;
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private final int serverPort;
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private final String clientId; // will be sent in auth message
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private final int connectTimeoutMs;
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private final long heartbeatIntervalMs;
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private final long heartbeatTimeoutMs;
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// socket + streams
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private Socket socket;
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private DataOutputStream out;
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private DataInputStream in;
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// threads & executors
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private final ExecutorService writerExecutor = Executors.newSingleThreadExecutor(r -> new Thread(r, "TcpClient-Writer"));
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private final ExecutorService readerExecutor = Executors.newSingleThreadExecutor(r -> new Thread(r, "TcpClient-Reader"));
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private final ScheduledExecutorService scheduler = Executors.newSingleThreadScheduledExecutor(r -> new Thread(r, "TcpClient-Scheduler"));
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private final ExecutorService connectExecutor = Executors.newSingleThreadExecutor(r -> new Thread(r, "TcpClient-Connect"));
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// send queue
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private final BlockingQueue<JSONObject> sendQueue = new LinkedBlockingQueue<>();
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// state
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private final AtomicBoolean running = new AtomicBoolean(false);
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private final AtomicBoolean connected = new AtomicBoolean(false);
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private final AtomicBoolean authSent = new AtomicBoolean(false);
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// reconnection/backoff
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private final long baseReconnectDelayMs = 1000; // 1s
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private final long maxReconnectDelayMs = 30_000; // 30s
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private final AtomicInteger reconnectAttempt = new AtomicInteger(0);
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// heartbeat task future
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private ScheduledFuture<?> heartbeatFuture;
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// listener
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public interface Listener {
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void onConnected();
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void onDisconnected(Exception e);
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void onMessage(JSONObject json);
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void onSendSuccess(JSONObject json);
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void onSendFailed(JSONObject json, Exception e);
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}
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private Listener listener;
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public void setListener(Listener l) {
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this.listener = l;
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}
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// ctor
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public TcpClient(String serverIp, int serverPort, String clientId,
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int connectTimeoutMs, long heartbeatIntervalMs, long heartbeatTimeoutMs) {
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this.serverIp = serverIp;
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this.serverPort = serverPort;
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this.clientId = clientId;
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this.connectTimeoutMs = connectTimeoutMs;
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this.heartbeatIntervalMs = heartbeatIntervalMs;
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this.heartbeatTimeoutMs = heartbeatTimeoutMs;
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}
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// start client (will attempt connect)
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public void start() {
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if (running.getAndSet(true)) return;
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scheduleConnect(0);
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// writer thread drains sendQueue
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writerExecutor.execute(this::writerLoop);
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}
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// stop client and cleanup
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public void stop() {
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running.set(false);
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cancelHeartbeat();
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closeSocketQuiet();
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writerExecutor.shutdownNow();
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readerExecutor.shutdownNow();
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scheduler.shutdownNow();
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connectExecutor.shutdownNow();
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sendQueue.clear();
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}
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// send JSON (queued). Non-blocking.
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public void send(JSONObject json) {
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if (!running.get()) return;
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sendQueue.offer(json);
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}
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// AUTH shortcut (immediately send auth JSON)
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private void sendAuth() {
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try {
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JSONObject auth = new JSONObject();
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auth.put("type", "auth");
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auth.put("clientId", clientId);
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sendQueue.offer(auth);
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authSent.set(true);
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} catch (Exception ignored) {
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}
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}
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// writer thread loop (serializes sends)
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private void writerLoop() {
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while (running.get()) {
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try {
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JSONObject json = sendQueue.take(); // blocks
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if (connected.get() && out != null) {
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try {
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byte[] data = json.toString().getBytes();
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synchronized (out) {
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out.writeInt(data.length);
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out.write(data);
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out.flush();
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}
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if (listener != null) listener.onSendSuccess(json);
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} catch (Exception e) {
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if (listener != null) listener.onSendFailed(json, e);
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// on write failure, attempt reconnect
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safeCloseAndScheduleReconnect(e);
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}
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} else {
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// not connected: requeue it and wait for connection
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sendQueue.offer(json);
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Thread.sleep(500); // avoid busy loop
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}
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} catch (InterruptedException ignored) {
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break;
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}
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}
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}
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// reader loop (runs in readerExecutor)
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private void startReaderLoop() {
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readerExecutor.execute(() -> {
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try {
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while (running.get() && connected.get() && in != null) {
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int length;
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try {
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length = in.readInt(); // will throw SocketTimeoutException if set
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} catch (SocketTimeoutException ste) {
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// used to detect socket liveness; continue loop
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continue;
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}
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if (length <= 0 || length > 10 * 1024 * 1024) {
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||||
// invalid length, break
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throw new RuntimeException("Invalid message length: " + length);
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}
|
||||
byte[] buf = new byte[length];
|
||||
in.readFully(buf);
|
||||
String s = new String(buf);
|
||||
try {
|
||||
JSONObject json = new JSONObject(s);
|
||||
// update last seen time via heartbeat ack if needed
|
||||
if ("heartbeat".equals(json.optString("type"))) {
|
||||
// optionally respond or update time
|
||||
} else if ("auth_ok".equals(json.optString("type")) || "ack".equals(json.optString("type"))) {
|
||||
// ignore or process ack
|
||||
} else {
|
||||
if (listener != null) listener.onMessage(json);
|
||||
}
|
||||
} catch (Exception je) {
|
||||
Log.w(TAG, "Invalid JSON from server: " + s, je);
|
||||
}
|
||||
}
|
||||
} catch (Exception e) {
|
||||
if (running.get()) {
|
||||
safeCloseAndScheduleReconnect(e);
|
||||
}
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// schedule connect attempt with delay (ms)
|
||||
private void scheduleConnect(long delayMs) {
|
||||
connectExecutor.execute(() -> {
|
||||
try {
|
||||
if (delayMs > 0) Thread.sleep(delayMs);
|
||||
} catch (InterruptedException ignored) {
|
||||
}
|
||||
if (!running.get()) return;
|
||||
tryConnect();
|
||||
});
|
||||
}
|
||||
|
||||
// connect logic
|
||||
private void tryConnect() {
|
||||
if (!running.get()) return;
|
||||
closeSocketQuiet(); // ensure closed
|
||||
try {
|
||||
Socket s = new Socket();
|
||||
s.connect(new InetSocketAddress(serverIp, serverPort), connectTimeoutMs);
|
||||
s.setSoTimeout((int) Math.max(heartbeatTimeoutMs, 5_000));
|
||||
socket = s;
|
||||
out = new DataOutputStream(socket.getOutputStream());
|
||||
in = new DataInputStream(socket.getInputStream());
|
||||
connected.set(true);
|
||||
reconnectAttempt.set(0);
|
||||
authSent.set(false);
|
||||
// start reader
|
||||
startReaderLoop();
|
||||
// send auth immediately
|
||||
sendAuth();
|
||||
// start heartbeat
|
||||
startHeartbeat();
|
||||
if (listener != null) listener.onConnected();
|
||||
Log.i(TAG, "Connected to " + serverIp + ":" + serverPort);
|
||||
} catch (Exception e) {
|
||||
Log.w(TAG, "Connect failed: " + e.getMessage());
|
||||
scheduleReconnectWithBackoff();
|
||||
}
|
||||
}
|
||||
|
||||
// start heartbeat scheduler
|
||||
private void startHeartbeat() {
|
||||
cancelHeartbeat();
|
||||
heartbeatFuture = scheduler.scheduleAtFixedRate(() -> {
|
||||
if (!running.get() || !connected.get()) return;
|
||||
try {
|
||||
JSONObject hb = new JSONObject();
|
||||
hb.put("type", "heartbeat");
|
||||
hb.put("time", System.currentTimeMillis());
|
||||
sendQueue.offer(hb);
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
}, 0, heartbeatIntervalMs, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
|
||||
private void cancelHeartbeat() {
|
||||
if (heartbeatFuture != null && !heartbeatFuture.isCancelled()) {
|
||||
heartbeatFuture.cancel(true);
|
||||
heartbeatFuture = null;
|
||||
}
|
||||
}
|
||||
|
||||
// close socket quietly and notify listener
|
||||
private void safeCloseAndScheduleReconnect(Exception cause) {
|
||||
closeSocketQuiet();
|
||||
if (listener != null) listener.onDisconnected(cause);
|
||||
scheduleReconnectWithBackoff();
|
||||
}
|
||||
|
||||
private void scheduleReconnectWithBackoff() {
|
||||
int attempt = reconnectAttempt.incrementAndGet();
|
||||
long delay = Math.min(maxReconnectDelayMsFromAttempt(attempt), maxReconnectDelayMs);
|
||||
Log.i(TAG, "Scheduling reconnect attempt " + attempt + " after " + delay + "ms");
|
||||
scheduleConnect(delay);
|
||||
}
|
||||
|
||||
// compute exponential backoff
|
||||
private long maxReconnectDelayMsFromAttempt(int attempt) {
|
||||
long d = baseReconnectDelayMs * (1L << Math.min(attempt, 30));
|
||||
if (d < 0) d = maxReconnectDelayMs;
|
||||
return Math.min(d, maxReconnectDelayMs);
|
||||
}
|
||||
|
||||
// close socket and streams
|
||||
private void closeSocketQuiet() {
|
||||
connected.set(false);
|
||||
cancelHeartbeat();
|
||||
try {
|
||||
if (out != null) {
|
||||
out.close();
|
||||
}
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
try {
|
||||
if (in != null) {
|
||||
in.close();
|
||||
}
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
try {
|
||||
if (socket != null && !socket.isClosed()) {
|
||||
socket.close();
|
||||
}
|
||||
} catch (Exception ignored) {
|
||||
}
|
||||
out = null;
|
||||
in = null;
|
||||
socket = null;
|
||||
}
|
||||
|
||||
// helper: when manually call reconnect (immediately)
|
||||
public void reconnectNow() {
|
||||
scheduleConnect(0);
|
||||
}
|
||||
|
||||
// helper to set immediate send of a JSON and wait (blocking) until it is queued (not until delivered)
|
||||
public boolean sendBlocking(JSONObject json, long timeoutMs) throws InterruptedException {
|
||||
return sendQueue.offer(json, timeoutMs, TimeUnit.MILLISECONDS);
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,33 @@
|
||||
package com.sw.face.collect.view
|
||||
|
||||
import android.util.Log
|
||||
import com.sw.dualscreen.socket.TcpClient
|
||||
import org.json.JSONObject
|
||||
import java.lang.Exception
|
||||
|
||||
open class TcpClientListenerImpl : TcpClient.Listener {
|
||||
|
||||
companion object {
|
||||
private const val TAG = "TcpClientListenerImpl"
|
||||
}
|
||||
|
||||
override fun onConnected() {
|
||||
Log.d(TAG, "addSocketListener,onConnected: ")
|
||||
}
|
||||
|
||||
override fun onDisconnected(e: Exception?) {
|
||||
Log.d(TAG, "addSocketListener,onDisconnected: ${e?.toString()}")
|
||||
}
|
||||
|
||||
override fun onMessage(json: JSONObject?) {
|
||||
Log.d(TAG, "addSocketListener,onMessage: $json")
|
||||
}
|
||||
|
||||
override fun onSendSuccess(json: JSONObject?) {
|
||||
Log.d(TAG, "addSocketListener,onSendSuccess: $json")
|
||||
}
|
||||
|
||||
override fun onSendFailed(json: JSONObject?, e: Exception?) {
|
||||
Log.d(TAG, "addSocketListener,onSendFailed: $json,e:${e?.toString()}")
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,47 @@
|
||||
package com.sw.dualscreen.socket;
|
||||
|
||||
import java.net.DatagramPacket;
|
||||
import java.net.DatagramSocket;
|
||||
import java.net.InetAddress;
|
||||
|
||||
/**
|
||||
* Simple UDP discovery client:
|
||||
* Sends "DISCOVER_SERVER" broadcast and waits for first reply "SERVER_FOUND:serverName:ip"
|
||||
*/
|
||||
public class UdpDiscoveryClient {
|
||||
|
||||
public interface Listener {
|
||||
void onFound(String ip, String serverName);
|
||||
|
||||
void onError(Exception e);
|
||||
}
|
||||
|
||||
public void discover(int discoveryPort, int timeoutMs, Listener listener) {
|
||||
new Thread(() -> {
|
||||
try (DatagramSocket socket = new DatagramSocket()) {
|
||||
socket.setBroadcast(true);
|
||||
byte[] data = "DISCOVER_SERVER".getBytes();
|
||||
DatagramPacket packet = new DatagramPacket(data, data.length, InetAddress.getByName("255.255.255.255"), discoveryPort);
|
||||
socket.send(packet);
|
||||
|
||||
socket.setSoTimeout(timeoutMs);
|
||||
byte[] buf = new byte[512];
|
||||
DatagramPacket resp = new DatagramPacket(buf, buf.length);
|
||||
socket.receive(resp);
|
||||
|
||||
String msg = new String(resp.getData(), 0, resp.getLength());
|
||||
if (msg.startsWith("SERVER_FOUND")) {
|
||||
// format: SERVER_FOUND:serverName:ip
|
||||
String[] parts = msg.split(":", 3);
|
||||
if (parts.length >= 3) {
|
||||
listener.onFound(parts[2], parts[1]);
|
||||
return;
|
||||
}
|
||||
}
|
||||
listener.onError(new Exception("Invalid response"));
|
||||
} catch (Exception e) {
|
||||
listener.onError(e);
|
||||
}
|
||||
}).start();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,113 @@
|
||||
package com.sw.dualscreen.socket;
|
||||
|
||||
import android.util.Log;
|
||||
|
||||
import org.json.JSONException;
|
||||
import org.json.JSONObject;
|
||||
|
||||
import java.io.IOException;
|
||||
|
||||
public class test {
|
||||
LanCommunicationManager manager = new LanCommunicationManager(
|
||||
9999, // 端口
|
||||
20, // 最大客户端线程
|
||||
30_000 // 心跳超时 30 秒
|
||||
);
|
||||
|
||||
public void test() {
|
||||
manager.setListener(new LanCommunicationManager.Listener() {
|
||||
@Override
|
||||
public void onClientConnected(String clientId) {
|
||||
System.out.println("新的客户端上线：" + clientId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onClientDisconnected(String clientId) {
|
||||
System.out.println("客户端离线：" + clientId);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onMessageReceived(String clientId, JSONObject msg) {
|
||||
System.out.println("收到 " + clientId + " 的消息：" + msg);
|
||||
}
|
||||
});
|
||||
|
||||
// 启动
|
||||
try {
|
||||
manager.start();
|
||||
} catch (IOException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
|
||||
// 给某个客户端发送
|
||||
JSONObject j = new JSONObject();
|
||||
try {
|
||||
j.put("type", "cmd");
|
||||
j.put("content", "hello");
|
||||
} catch (JSONException e) {
|
||||
throw new RuntimeException(e);
|
||||
}
|
||||
manager.sendToClient("device123", j);
|
||||
|
||||
// 广播
|
||||
manager.broadcast(j);
|
||||
}
|
||||
|
||||
|
||||
public void clientTets() {
|
||||
// 1) discover server (optional)
|
||||
UdpDiscoveryClient disc = new UdpDiscoveryClient();
|
||||
disc.discover(9876, 3000, new UdpDiscoveryClient.Listener() {
|
||||
@Override
|
||||
public void onFound(String ip, String serverName) {
|
||||
startClient(ip);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onError(Exception e) { /* fallback to manual IP */ }
|
||||
});
|
||||
|
||||
|
||||
}
|
||||
|
||||
// 2) start client
|
||||
private TcpClient client;
|
||||
|
||||
private void startClient(String serverIp) {
|
||||
client = new TcpClient(
|
||||
serverIp,
|
||||
9999,
|
||||
"device123", // clientId
|
||||
5000, // connectTimeoutMs
|
||||
10_000, // heartbeatIntervalMs
|
||||
30_000 // heartbeatTimeoutMs
|
||||
);
|
||||
|
||||
client.setListener(new TcpClient.Listener() {
|
||||
@Override
|
||||
public void onConnected() {
|
||||
Log.i("APP", "connected");
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onDisconnected(Exception e) {
|
||||
Log.i("APP", "disconnected", e);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onMessage(JSONObject json) {
|
||||
Log.i("APP", "msg:" + json);
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSendSuccess(JSONObject json) {
|
||||
}
|
||||
|
||||
@Override
|
||||
public void onSendFailed(JSONObject json, Exception e) {
|
||||
}
|
||||
});
|
||||
|
||||
client.start();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user