refactor(gateApi): 将条件单ID管理从单值改为集合支持批量操作

Administrator

10 hours ago 3bcc6918c362a7837f792ef91018a1fe043096ef

 src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java

@@ -48,6 +48,7 @@
 *
 * @author Administrator
 */
@SuppressWarnings("ALL")
@Slf4j
public class GateKlineWebSocketClient {

@@ -90,17 +91,20 @@

    /**
     * 注册频道处理器。需在 init() 前调用。
     *
     * @param handler 实现了 {@link GateChannelHandler} 接口的频道处理器
     */
    public void addChannelHandler(GateChannelHandler handler) {
        channelHandlers.add(handler);
    }

    /**
     * 初始化：建立 WebSocket 连接 → 启动心跳。
     * 初始化：建立 WebSocket 连接 → 启动心跳检测。
     * 使用 {@code AtomicBoolean} 防重入，同一实例只允许初始化一次。
     */
    public void init() {
        if (!isInitialized.compareAndSet(false, true)) {
            log.warn("[WS] already init, skip");
            log.warn("[WS] 已初始化过，跳过重复初始化");
            return;
        }
        connect();
@@ -108,12 +112,14 @@
    }

    /**
     * 销毁：取消订阅 → 关闭连接 → 关闭线程池。
     * <p>注意：先 closeBlocking 再 shutdown sharedExecutor，
     * 避免 onClose 回调中的 reconnectWithBackoff 访问已关闭的线程池。
     * 销毁：取消所有频道订阅 → 关闭 WebSocket 连接 → 关闭线程池。
     *
     * <h3>执行顺序</h3>
     * 先取消订阅（等待 500ms 确保发送完成），再 closeBlocking 关闭连接，
     * 最后 shutdown 线程池。先关连接再关线程池，避免 onClose 回调中的重连任务访问已关闭的线程池。
     */
    public void destroy() {
        log.info("[WS] destroy...");
        log.info("[WS] 开始销毁...");

        if (webSocketClient != null && webSocketClient.isOpen()) {
            for (GateChannelHandler handler : channelHandlers) {
@@ -123,7 +129,7 @@
                Thread.sleep(500);
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                log.warn("[WS] unsubscribe wait interrupted");
                log.warn("[WS] 取消订阅等待被中断");
            }
        }

@@ -132,7 +138,7 @@
                webSocketClient.closeBlocking();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                log.warn("[WS] close interrupted");
                log.warn("[WS] 关闭连接时被中断");
            }
        }

@@ -146,16 +152,29 @@
        }
        shutdownExecutorGracefully(sharedExecutor);

        log.info("[WS] destroyed");
        log.info("[WS] 销毁完成");
    }

    /**
     * 建立 WebSocket 连接。使用 SSLContext 配置 TLS 协议。
     * 连接成功后依次订阅所有已注册的频道处理器。
     *
     * <h3>连接成功回调</h3>
     * <ol>
     *   <li>设置 isConnected=true，isConnecting=false</li>
     *   <li>重置心跳计时器</li>
     *   <li>依次订阅所有已注册的频道处理器</li>
     *   <li>发送首次 ping</li>
     * </ol>
     *
     * <h3>连接关闭回调</h3>
     * 设置断连状态 → 取消心跳超时 → 异步触发指数退避重连（最多3次）。
     *
     * <h3>线程安全</h3>
     * 使用 {@code AtomicBoolean.isConnecting} 防止并发重连。
     */
    private void connect() {
        if (isConnecting.get() || !isConnecting.compareAndSet(false, true)) {
            log.info("[WS] already connecting");
            log.info("[WS] 连接进行中，跳过重复请求");
            return;
        }
        try {
@@ -168,7 +187,7 @@
            webSocketClient = new WebSocketClient(uri) {
                @Override
                public void onOpen(ServerHandshake handshake) {
                    log.info("[WS] connected");
                    log.info("[WS] 连接成功");
                    isConnected.set(true);
                    isConnecting.set(false);
                    if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
@@ -178,7 +197,7 @@
                        }
                        sendPing();
                    } else {
                        log.warn("[WS] shutting down, ignore onOpen");
                        log.warn("[WS] 应用正在关闭，忽略连接成功回调");
                    }
                }

@@ -191,28 +210,28 @@

                @Override
                public void onClose(int code, String reason, boolean remote) {
                    log.warn("[WS] closed, code:{}, reason:{}", code, reason);
                    log.warn("[WS] 连接关闭, code:{}, reason:{}", code, reason);
                    isConnected.set(false);
                    isConnecting.set(false);
                    cancelPongTimeout();
                    if (sharedExecutor != null && !sharedExecutor.isShutdown() && !sharedExecutor.isTerminated()) {
                        sharedExecutor.execute(() -> {
                            try { reconnectWithBackoff(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } catch (Exception e) { log.error("[WS] reconnect fail", e); }
                            try { reconnectWithBackoff(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } catch (Exception e) { log.error("[WS] 重连失败", e); }
                        });
                    } else {
                        log.warn("[WS] executor closed, no reconnect");
                        log.warn("[WS] 线程池已关闭，不执行重连");
                    }
                }

                @Override
                public void onError(Exception ex) {
                    log.error("[WS] error", ex);
                    log.error("[WS] 发生错误", ex);
                    isConnected.set(false);
                }
            };
            webSocketClient.connect();
        } catch (URISyntaxException e) {
            log.error("[WS] bad uri", e);
            log.error("[WS] URI格式错误", e);
            isConnecting.set(false);
        }
    }
@@ -229,21 +248,21 @@
            String event = response.getString("event");

            if (FUTURES_PONG.equals(channel)) {
                log.debug("[WS] pong received");
                log.debug("[WS] 收到 pong 响应");
                cancelPongTimeout();
                return;
            }
            if ("subscribe".equals(event)) {
                log.info("[WS] {} subscribed: {}", channel, response.getJSONObject("result"));
                log.info("[WS] {} 订阅成功: {}", channel, response.getJSONObject("result"));
                return;
            }
            if ("unsubscribe".equals(event)) {
                log.info("[WS] {} unsubscribed", channel);
                log.info("[WS] {} 取消订阅成功", channel);
                return;
            }
            if ("error".equals(event)) {
                JSONObject error = response.getJSONObject("error");
                log.error("[WS] {} error, code:{}, msg:{}",
                log.error("[WS] {} 错误, code:{}, msg:{}",
                        channel,
                        error != null ? error.getInteger("code") : "N/A",
                        error != null ? error.getString("message") : response.getString("msg"));
@@ -255,18 +274,25 @@
                }
            }
        } catch (Exception e) {
            log.error("[WS] handle msg fail: {}", message, e);
            log.error("[WS] 处理消息失败: {}", message, e);
        }
    }

    // ---- heartbeat ----

    /**
     * 启动心跳检测器。
     * 使用单线程 ScheduledExecutor，每 25 秒检查一次心跳超时。
     */
    private void startHeartbeat() {
        if (heartbeatExecutor != null && !heartbeatExecutor.isTerminated()) heartbeatExecutor.shutdownNow();
        heartbeatExecutor = Executors.newSingleThreadScheduledExecutor(r -> { Thread t = new Thread(r, "gate-ws-heartbeat"); t.setDaemon(true); return t; });
        heartbeatExecutor.scheduleWithFixedDelay(this::checkHeartbeatTimeout, 25, 25, TimeUnit.SECONDS);
    }

    /**
     * 重置心跳计时器：取消旧超时任务，提交新的 10 秒超时检测。
     */
    private synchronized void resetHeartbeatTimer() {
        cancelPongTimeout();
        if (heartbeatExecutor != null && !heartbeatExecutor.isShutdown()) {
@@ -274,11 +300,17 @@
        }
    }

    /**
     * 检查心跳超时：如果距离上次收到消息超过 10 秒，主动发送 futures.ping。
     */
    private void checkHeartbeatTimeout() {
        if (!isConnected.get()) return;
        if (System.currentTimeMillis() - lastMessageTime.get() >= HEARTBEAT_TIMEOUT * 1000L) sendPing();
    }

    /**
     * 发送应用层 futures.ping 消息。
     */
    private void sendPing() {
        try {
            if (webSocketClient != null && webSocketClient.isOpen()) {
@@ -286,26 +318,39 @@
                pingMsg.put("time", System.currentTimeMillis() / 1000);
                pingMsg.put("channel", FUTURES_PING);
                webSocketClient.send(pingMsg.toJSONString());
                log.debug("[WS] ping sent");
                log.debug("[WS] 发送 ping 请求");
            }
        } catch (Exception e) { log.warn("[WS] ping fail", e); }
        } catch (Exception e) { log.warn("[WS] 发送 ping 失败", e); }
    }

    /**
     * 取消心跳超时检测任务。
     */
    private synchronized void cancelPongTimeout() {
        if (pongTimeoutFuture != null && !pongTimeoutFuture.isDone()) pongTimeoutFuture.cancel(true);
    }

    // ---- reconnect ----

    /**
     * 指数退避重连。初始延迟 5 秒，每次翻倍，最多重试 3 次。
     *
     * @throws InterruptedException 线程被中断
     */
    private void reconnectWithBackoff() throws InterruptedException {
        int attempt = 0, maxAttempts = 3;
        long delayMs = 5000;
        while (attempt < maxAttempts) {
            try { Thread.sleep(delayMs); connect(); return; } catch (Exception e) { log.warn("[WS] reconnect attempt {} fail", attempt + 1, e); delayMs *= 2; attempt++; }
            try { Thread.sleep(delayMs); connect(); return; } catch (Exception e) { log.warn("[WS] 第{}次重连失败", attempt + 1, e); delayMs *= 2; attempt++; }
        }
        log.error("[WS] reconnect exhausted after {} attempts", maxAttempts);
        log.error("[WS] 超过最大重试次数({})，放弃重连", maxAttempts);
    }

    /**
     * 优雅关闭线程池：先 shutdown，等待 5 秒，超时则 shutdownNow 强制中断。
     *
     * @param executor 需要关闭的线程池
     */
    private void shutdownExecutorGracefully(ExecutorService executor) {
        if (executor == null || executor.isTerminated()) return;
        try { executor.shutdown(); if (!executor.awaitTermination(5, TimeUnit.SECONDS)) executor.shutdownNow(); }