From 0d9c31cc7be76229cf71e141444598992758ebf6 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Tue, 12 May 2026 16:46:22 +0800
Subject: [PATCH] feat(gateApi): 更新网格交易逻辑文档和实现

---
 src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java |  608 ++++++++++++++----------------------------------------
 1 files changed, 158 insertions(+), 450 deletions(-)

diff --git a/src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java b/src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java
index 6fe824a..d4cec97 100644
--- a/src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java
+++ b/src/main/java/com/xcong/excoin/modules/gateApi/GateKlineWebSocketClient.java
@@ -1,122 +1,110 @@
 package com.xcong.excoin.modules.gateApi;
 
 import com.alibaba.fastjson.JSON;
-import com.alibaba.fastjson.JSONArray;
 import com.alibaba.fastjson.JSONObject;
-import com.xcong.excoin.modules.blackchain.service.DateUtil;
-import com.xcong.excoin.modules.okxNewPrice.celue.CaoZuoService;
-import com.xcong.excoin.modules.okxNewPrice.okxWs.wanggeList.WangGeListService;
+import com.xcong.excoin.modules.gateApi.wsHandler.GateChannelHandler;
 import com.xcong.excoin.modules.okxNewPrice.utils.SSLConfig;
 import lombok.extern.slf4j.Slf4j;
 import org.java_websocket.client.WebSocketClient;
 import org.java_websocket.handshake.ServerHandshake;
 
-import javax.crypto.Mac;
-import javax.crypto.spec.SecretKeySpec;
-import java.math.BigDecimal;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.*;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
 
 /**
- * Gate WebSocket 客户端,通过 Java-WebSocket 库连接 Gate.io 的 WebSocket 接口。
+ * Gate WebSocket 连接管理器。
  *
- * <h3>订阅频道</h3>
- * <ul>
- *   <li>{@code futures.candlesticks} — 1m K 线数据(公开频道)</li>
- *   <li>{@code futures.positions} — 用户仓位更新(私有频道,需 HMAC-SHA512 签名认证)</li>
- *   <li>{@code futures.ping} — 应用层心跳</li>
- * </ul>
+ * <h3>职责</h3>
+ * 负责 TCP 连接的建立、维持和恢复。频道逻辑(订阅/解析)全部委托给 {@link GateChannelHandler} 实现类。
  *
- * <h3>数据流</h3>
+ * <h3>生命周期</h3>
  * <pre>
- *   onMessage → handleWebSocketMessage → 按 channel 分流:
- *     futures.pong       → 取消心跳超时
- *     subscribe/unsubscribe/error → 日志
- *     futures.candlesticks → processPushDataV2 → GateGridTradeService.onKline()
- *     futures.positions    → processPositionData  → GateGridTradeService.onPositionUpdate()
+ *   init()        → connect() → startHeartbeat()
+ *   destroy()     → unsubscribe 所有 handler → closeBlocking() → shutdown 线程池
+ *   onClose()     → reconnectWithBackoff() (最多 3 次,指数退避)
  * </pre>
  *
- * <h3>连接管理</h3>
- * 支持心跳检测、指数退避重连(最多 3 次)、优雅关闭。
+ * <h3>消息路由</h3>
+ * <pre>
+ *   onMessage → handleMessage:
+ *     1. futures.pong         → cancelPongTimeout
+ *     2. subscribe/unsubscribe → 日志
+ *     3. error                → 错误日志
+ *     4. update/all           → 遍历 channelHandlers → handler.handleMessage(response)
+ * </pre>
+ *
+ * <h3>心跳机制</h3>
+ * 采用双重检测:TCP 层的 WebSocket ping/pong + 应用层 futures.ping/futures.pong。
+ * 10 秒未收到任何消息 → 发送 futures.ping;25 秒周期检查。
+ *
+ * <h3>线程安全</h3>
+ * 连接状态用 AtomicBoolean(isConnected, isConnecting, isInitialized)。
+ * 消息时间戳用 AtomicReference。心跳任务用 synchronized 保护。
  *
  * @author Administrator
  */
+@SuppressWarnings("ALL")
 @Slf4j
 public class GateKlineWebSocketClient {
-    private final CaoZuoService caoZuoService;
-    private final GateWebSocketClientManager clientManager;
-    private final WangGeListService wangGeListService;
 
+    private static final String FUTURES_PING = "futures.ping";
+    private static final String FUTURES_PONG = "futures.pong";
+    private static final int HEARTBEAT_TIMEOUT = 10;
+
+    /** WebSocket 地址,由 GateConfig 提供 */
+    private final String wsUrl;
+
+    /** Java-WebSocket 客户端实例 */
     private WebSocketClient webSocketClient;
+    /** 心跳检测调度器 */
     private ScheduledExecutorService heartbeatExecutor;
+    /** 心跳超时 Future */
     private volatile ScheduledFuture<?> pongTimeoutFuture;
-    /** 最后收到消息的时间戳,用于心跳超时检测 */
+    /** 最后收到消息的时间戳(毫秒) */
     private final AtomicReference<Long> lastMessageTime = new AtomicReference<>(System.currentTimeMillis());
 
     /** 连接状态 */
     private final AtomicBoolean isConnected = new AtomicBoolean(false);
-    /** 连接中标记,防止重复连接 */
+    /** 连接中标记,防重入 */
     private final AtomicBoolean isConnecting = new AtomicBoolean(false);
-    /** 初始化标记,防止重复初始化 */
+    /** 初始化标记,防重复 init */
     private final AtomicBoolean isInitialized = new AtomicBoolean(false);
 
-    /** K 线频道 */
-    private static final String CHANNEL = "futures.candlesticks";
-    /** 仓位频道(私有,需认证) */
-    private static final String POSITIONS_CHANNEL = "futures.positions";
-    /** 应用层 ping 频道 */
-    private static final String FUTURES_PING = "futures.ping";
-    /** 应用层 pong 频道 */
-    private static final String FUTURES_PONG = "futures.pong";
-    /** K 线周期 */
-    private static final String GATE_INTERVAL = "1m";
-    /** 订阅合约 */
-    private static final String GATE_CONTRACT = "XAUT_USDT";
+    /** 频道处理器列表,通过 addChannelHandler 注册 */
+    private final List<GateChannelHandler> channelHandlers = new ArrayList<>();
 
-    /** 网格交易策略实例 */
-    private GateGridTradeService gridTradeService;
-
-    /** API 密钥,用于私有频道签名 */
-    private final String apiKey;
-    /** API 密钥 */
-    private final String apiSecret;
-
-    private static final char[] HEX_ARRAY = "0123456789abcdef".toCharArray();
-
-    // 心跳超时时间(秒),小于30秒
-    private static final int HEARTBEAT_TIMEOUT = 10;
-
-    // 共享线程池用于重连等异步任务
+    /** 重连等异步任务的缓存线程池(daemon 线程) */
     private final ExecutorService sharedExecutor = Executors.newCachedThreadPool(r -> {
-        Thread t = new Thread(r, "gate-kline-worker");
+        Thread t = new Thread(r, "gate-ws-worker");
         t.setDaemon(true);
         return t;
     });
 
-    public GateKlineWebSocketClient(CaoZuoService caoZuoService,
-                                    GateWebSocketClientManager clientManager,
-                                    WangGeListService wangGeListService,
-                                    GateGridTradeService gridTradeService,
-                                    String apiKey, String apiSecret
-    ) {
-        this.caoZuoService = caoZuoService;
-        this.clientManager = clientManager;
-        this.wangGeListService = wangGeListService;
-        this.gridTradeService = gridTradeService;
-        this.apiKey = apiKey;
-        this.apiSecret = apiSecret;
+    public GateKlineWebSocketClient(String wsUrl) {
+        this.wsUrl = wsUrl;
     }
 
     /**
-     * 初始化方法,创建并初始化WebSocket客户端实例
+     * 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("GateKlineWebSocketClient 已经初始化过,跳过重复初始化");
+            log.warn("[WS] 已初始化过,跳过重复初始化");
             return;
         }
         connect();
@@ -124,24 +112,25 @@
     }
 
     /**
-     * 销毁方法,关闭WebSocket连接和相关资源
+     * 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("开始销毁GateKlineWebSocketClient");
+        log.info("[WS] 开始销毁...");
 
         if (webSocketClient != null && webSocketClient.isOpen()) {
-            unsubscribeKlineChannels();
-            unsubscribePositionsChannels();
+            for (GateChannelHandler handler : channelHandlers) {
+                handler.unsubscribe(webSocketClient);
+            }
             try {
                 Thread.sleep(500);
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();
-                log.warn("取消订阅等待被中断");
+                log.warn("[WS] 取消订阅等待被中断");
             }
-        }
-
-        if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
-            sharedExecutor.shutdown();
         }
 
         if (webSocketClient != null && webSocketClient.isOpen()) {
@@ -149,8 +138,12 @@
                 webSocketClient.closeBlocking();
             } catch (InterruptedException e) {
                 Thread.currentThread().interrupt();
-                log.warn("关闭WebSocket连接时被中断");
+                log.warn("[WS] 关闭连接时被中断");
             }
+        }
+
+        if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
+            sharedExecutor.shutdown();
         }
 
         shutdownExecutorGracefully(heartbeatExecutor);
@@ -159,429 +152,164 @@
         }
         shutdownExecutorGracefully(sharedExecutor);
 
-        log.info("GateKlineWebSocketClient销毁完成");
+        log.info("[WS] 销毁完成");
     }
 
-    private static final String WS_URL_MONIPAN = "wss://ws-testnet.gate.com/v4/ws/futures/usdt";
-    private static final String WS_URL_SHIPAN = "wss://fx-ws.gateio.ws/v4/ws/usdt";
-    private static final boolean isAccountType = false;
-
     /**
-     * 建立与 Gate WebSocket 服务器的连接。
-     * 设置回调函数以监听连接打开、接收消息、关闭和错误事件。
+     * 建立 WebSocket 连接。使用 SSLContext 配置 TLS 协议。
+     *
+     * <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() {
-        // 避免重复连接
-        if (isConnecting.get()) {
-            log.info("连接已在进行中,跳过重复连接请求");
+        if (isConnecting.get() || !isConnecting.compareAndSet(false, true)) {
+            log.info("[WS] 连接进行中,跳过重复请求");
             return;
         }
-        
-        if (!isConnecting.compareAndSet(false, true)) {
-            log.info("连接已在进行中,跳过重复连接请求");
-            return;
-        }
-        
         try {
             SSLConfig.configureSSL();
             System.setProperty("https.protocols", "TLSv1.2,TLSv1.3");
-            String WS_URL = WS_URL_MONIPAN;
-            if (isAccountType){
-                WS_URL = WS_URL_SHIPAN;
-            }
-            URI uri = new URI(WS_URL);
-            
-            // 关闭之前的连接(如果存在)
+            URI uri = new URI(wsUrl);
             if (webSocketClient != null) {
-                try {
-                    webSocketClient.closeBlocking();
-                } catch (InterruptedException e) {
-                    Thread.currentThread().interrupt();
-                    log.warn("关闭之前连接时被中断");
-                }
+                try { webSocketClient.closeBlocking(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); }
             }
-            
             webSocketClient = new WebSocketClient(uri) {
                 @Override
                 public void onOpen(ServerHandshake handshake) {
-                    log.info("Gate Kline WebSocket连接成功");
+                    log.info("[WS] 连接成功");
                     isConnected.set(true);
                     isConnecting.set(false);
-                    
-                    // 检查应用是否正在关闭
                     if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
                         resetHeartbeatTimer();
-                        subscribeKlineChannels();
-                        subscribePositionsChannels();
-                        subscribePingChannels();
+                        for (GateChannelHandler handler : channelHandlers) {
+                            handler.subscribe(webSocketClient);
+                        }
+                        sendPing();
                     } else {
-                        log.warn("应用正在关闭,忽略WebSocket连接成功回调");
+                        log.warn("[WS] 应用正在关闭,忽略连接成功回调");
                     }
                 }
 
                 @Override
                 public void onMessage(String message) {
                     lastMessageTime.set(System.currentTimeMillis());
-                    handleWebSocketMessage(message);
+                    handleMessage(message);
                     resetHeartbeatTimer();
                 }
 
                 @Override
                 public void onClose(int code, String reason, boolean remote) {
-                    log.warn("Gate Kline WebSocket连接关闭: 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();
-                                log.error("重连线程被中断", e);
-                            } catch (Exception e) {
-                                log.error("重连失败", e);
-                            }
+                            try { reconnectWithBackoff(); } catch (InterruptedException e) { Thread.currentThread().interrupt(); } catch (Exception e) { log.error("[WS] 重连失败", e); }
                         });
                     } else {
-                        log.warn("共享线程池已关闭,无法执行重连任务");
+                        log.warn("[WS] 线程池已关闭,不执行重连");
                     }
                 }
 
                 @Override
                 public void onError(Exception ex) {
-                    log.error("Gate Kline WebSocket发生错误", ex);
+                    log.error("[WS] 发生错误", ex);
                     isConnected.set(false);
                 }
             };
-
             webSocketClient.connect();
         } catch (URISyntaxException e) {
-            log.error("WebSocket URI格式错误", e);
+            log.error("[WS] URI格式错误", e);
             isConnecting.set(false);
         }
     }
 
     /**
-     * 订阅K线频道。
-     * 构造 Gate 格式的订阅请求并发送给服务端。
-     * payload: ["1m", "BTC_USDT"] (间隔, 合约名)
+     * 消息分发:先处理系统事件(pong/subscribe/error),
+     * 再把 update/all 事件路由到各 channelHandler。
+     * <p>每个 handler 内部通过 channel 名称做二次匹配,匹配成功返回 true 则停止遍历。
      */
-    private void subscribeKlineChannels() {
-        JSONObject subscribeMsg = new JSONObject();
-        subscribeMsg.put("time", System.currentTimeMillis() / 1000);
-        subscribeMsg.put("channel", CHANNEL);
-        subscribeMsg.put("event", "subscribe");
-
-        JSONArray payload = new JSONArray();
-        payload.add(GATE_INTERVAL);
-        payload.add(GATE_CONTRACT);
-        subscribeMsg.put("payload", payload);
-
-        webSocketClient.send(subscribeMsg.toJSONString());
-        log.info("已发送 K线频道订阅请求,合约: {}, 周期: {}", GATE_CONTRACT, GATE_INTERVAL);
-    }
-    /**
-     * 发送应用层 ping 请求。
-     * 用于探测连接状态,服务器会返回 futures.pong。
-     */
-    private void subscribePingChannels() {
-        JSONObject subscribeMsg = new JSONObject();
-        subscribeMsg.put("time", System.currentTimeMillis() / 1000);
-        subscribeMsg.put("channel", FUTURES_PING);
-        webSocketClient.send(subscribeMsg.toJSONString());
-        log.info("已发送 futures.ping");
-    }
-
-    /**
-     * 订阅仓位频道(私有频道,需 HMAC-SHA512 签名认证)。
-     * 签名算法: Hex(HmacSHA512(secret, "channel={channel}&event={event}&time={time}"))
-     */
-    private void subscribePositionsChannels() {
-        JSONObject subscribeMsg = new JSONObject();
-        long timeSec = System.currentTimeMillis() / 1000;
-        subscribeMsg.put("id", timeSec * 1000000 + (System.currentTimeMillis() % 1000));
-        subscribeMsg.put("time", timeSec);
-        subscribeMsg.put("channel", POSITIONS_CHANNEL);
-        subscribeMsg.put("event", "subscribe");
-
-        String uid = gridTradeService != null && gridTradeService.getUserId() != null
-                ? String.valueOf(gridTradeService.getUserId()) : "";
-
-        JSONArray payload = new JSONArray();
-        payload.add(uid);
-        payload.add(GATE_CONTRACT);
-        subscribeMsg.put("payload", payload);
-
-        JSONObject auth = new JSONObject();
-        auth.put("method", "api_key");
-        auth.put("KEY", apiKey);
-        auth.put("SIGN", hs512Sign(POSITIONS_CHANNEL, "subscribe", timeSec));
-        subscribeMsg.put("auth", auth);
-
-        webSocketClient.send(subscribeMsg.toJSONString());
-        log.info("已发送仓位频道订阅请求(含认证),userId:{}, 合约: {}", uid, GATE_CONTRACT);
-    }
-
-    /**
-     * 计算 Gate API v4 的 HMAC-SHA512 签名。
-     *
-     * @param channel 频道名
-     * @param event   事件名(subscribe/unsubscribe)
-     * @param timeSec 时间戳(秒)
-     * @return 十六进制签名字符串
-     */
-    private String hs512Sign(String channel, String event, long timeSec) {
-        try {
-            String message = "channel=" + channel + "&event=" + event + "&time=" + timeSec;
-            Mac mac = Mac.getInstance("HmacSHA512");
-            SecretKeySpec spec = new SecretKeySpec(apiSecret.getBytes(StandardCharsets.UTF_8), "HmacSHA512");
-            mac.init(spec);
-            byte[] hash = mac.doFinal(message.getBytes(StandardCharsets.UTF_8));
-            StringBuilder hex = new StringBuilder(hash.length * 2);
-            for (byte b : hash) {
-                hex.append(HEX_ARRAY[(b >> 4) & 0xF]);
-                hex.append(HEX_ARRAY[b & 0xF]);
-            }
-            String sign = hex.toString();
-            log.debug("签名计算, message: {}, sign: {}", message, sign);
-            return sign;
-        } catch (Exception e) {
-            log.error("签名计算失败", e);
-            return "";
-        }
-    }
-
-    /**
-     * 取消订阅 K 线频道。
-     */
-    private void unsubscribeKlineChannels() {
-        JSONObject unsubscribeMsg = new JSONObject();
-        unsubscribeMsg.put("time", System.currentTimeMillis() / 1000);
-        unsubscribeMsg.put("channel", CHANNEL);
-        unsubscribeMsg.put("event", "unsubscribe");
-        JSONArray payload = new JSONArray();
-        payload.add(GATE_INTERVAL);
-        payload.add(GATE_CONTRACT);
-        unsubscribeMsg.put("payload", payload);
-        webSocketClient.send(unsubscribeMsg.toJSONString());
-        log.info("已发送 K线频道取消订阅请求,合约: {}, 周期: {}", GATE_CONTRACT, GATE_INTERVAL);
-    }
-
-    /**
-     * 取消订阅仓位频道。
-     */
-    private void unsubscribePositionsChannels() {
-        JSONObject unsubscribeMsg = new JSONObject();
-        unsubscribeMsg.put("time", System.currentTimeMillis() / 1000);
-        unsubscribeMsg.put("channel", POSITIONS_CHANNEL);
-        unsubscribeMsg.put("event", "unsubscribe");
-        JSONArray payload = new JSONArray();
-        payload.add(GATE_CONTRACT);
-        unsubscribeMsg.put("payload", payload);
-        webSocketClient.send(unsubscribeMsg.toJSONString());
-        log.info("已发送仓位频道取消订阅请求,合约: {}", GATE_CONTRACT);
-    }
-
-    /**
-     * 处理从 WebSocket 收到的消息。
-     * 包括订阅确认、错误响应、心跳响应以及实际的数据推送。
-     *
-     * @param message 来自 WebSocket 的原始字符串消息
-     */
-    private void handleWebSocketMessage(String message) {
+    private void handleMessage(String message) {
         try {
             JSONObject response = JSON.parseObject(message);
             String channel = response.getString("channel");
             String event = response.getString("event");
 
             if (FUTURES_PONG.equals(channel)) {
-                log.debug("收到futures.pong响应");
+                log.debug("[WS] 收到 pong 响应");
                 cancelPongTimeout();
-            } else if ("subscribe".equals(event)) {
-                log.info("{} 频道订阅成功: {}", channel, response.getJSONObject("result"));
-            } else if ("unsubscribe".equals(event)) {
-                log.info("{} 频道取消订阅成功", channel);
-            } else if ("error".equals(event)) {
+                return;
+            }
+            if ("subscribe".equals(event)) {
+                log.info("[WS] {} 订阅成功: {}", channel, response.getJSONObject("result"));
+                return;
+            }
+            if ("unsubscribe".equals(event)) {
+                log.info("[WS] {} 取消订阅成功", channel);
+                return;
+            }
+            if ("error".equals(event)) {
                 JSONObject error = response.getJSONObject("error");
-                log.error("{} 频道错误: 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"));
-            } else if ("update".equals(event) || "all".equals(event)) {
-                if (POSITIONS_CHANNEL.equals(channel)) {
-                    processPositionData(response);
-                } else if (CHANNEL.equals(channel)) {
-                    processPushDataV2(response);
+                return;
+            }
+            if ("update".equals(event) || "all".equals(event)) {
+                for (GateChannelHandler handler : channelHandlers) {
+                    if (handler.handleMessage(response)) return;
                 }
             }
         } catch (Exception e) {
-            log.error("处理WebSocket消息失败: {}", message, e);
+            log.error("[WS] 处理消息失败: {}", message, e);
         }
     }
 
-    /**
-     * 解析并处理K线推送数据。
-     * 控制台输出K线数据,并在K线完结时触发策略和量化操作。
-     *
-     * @param response 包含K线数据的 JSON 对象
-     */
-    private void processPushDataV2(JSONObject response) {
-        try {
-            /**
-             * Gate K线推送格式:
-             * {
-             *   "time": 1542162490,
-             *   "time_ms": 1542162490123,
-             *   "channel": "futures.candlesticks",
-             *   "event": "update",
-             *   "result": [
-             *     {
-             *       "t": 1545129300,
-             *       "v": "27525555",
-             *       "c": "95.4",
-             *       "h": "96.9",
-             *       "l": "89.5",
-             *       "o": "94.3",
-             *       "n": "1m_BTC_USD",
-             *       "a": "314732.87412",
-             *       "w": false
-             *     }
-             *   ]
-             * }
-             */
-            String channel = response.getString("channel");
-            if (!CHANNEL.equals(channel)) {
-                return;
-            }
-
-            JSONArray resultArray = response.getJSONArray("result");
-            if (resultArray == null || resultArray.isEmpty()) {
-                log.warn("K线频道数据为空");
-                return;
-            }
-
-            JSONObject data = resultArray.getJSONObject(0);
-            BigDecimal openPx = new BigDecimal(data.getString("o"));
-            BigDecimal highPx = new BigDecimal(data.getString("h"));
-            BigDecimal lowPx = new BigDecimal(data.getString("l"));
-            BigDecimal closePx = new BigDecimal(data.getString("c"));
-            BigDecimal vol = new BigDecimal(data.getString("v"));
-            BigDecimal baseVol = new BigDecimal(data.getString("a"));
-            String name = data.getString("n");
-            long t = data.getLong("t");
-            boolean windowClosed = data.getBooleanValue("w");
-            String time = DateUtil.TimeStampToDateTime(t);
-
-            log.info("========== Gate K线数据 ==========");
-            log.info("名称(n): " + name);
-            log.info("时间  : " + time);
-            log.info("开盘(o): " + openPx);
-            log.info("最高(h): " + highPx);
-            log.info("最低(l): " + lowPx);
-            log.info("收盘(c): " + closePx);
-            log.info("成交量(v): " + vol);
-            log.info("成交额(a): " + baseVol);
-            log.info("K线完结(w): " + windowClosed);
-            log.info("==================================");
-
-            if (gridTradeService != null) {
-                gridTradeService.onKline(closePx);
-            }
-        } catch (Exception e) {
-            log.error("处理 K线频道推送数据失败", e);
-        }
-    }
+    // ---- heartbeat ----
 
     /**
-     * 解析仓位推送数据,提取目标合约的仓位信息并回调交易服务。
-     * 推送字段: contract, mode(dual_long/dual_short), size, entry_price, history_pnl, realised_pnl
-     *
-     * @param response 仓位推送的 JSON 对象
-     */
-    private void processPositionData(JSONObject response) {
-        try {
-            JSONArray resultArray = response.getJSONArray("result");
-            if (resultArray == null || resultArray.isEmpty()) {
-                return;
-            }
-            for (int i = 0; i < resultArray.size(); i++) {
-                JSONObject pos = resultArray.getJSONObject(i);
-                String contract = pos.getString("contract");
-                if (!GATE_CONTRACT.equals(contract)) {
-                    continue;
-                }
-                String mode = pos.getString("mode");
-                BigDecimal size = new BigDecimal(pos.getString("size"));
-                BigDecimal entryPrice = new BigDecimal(pos.getString("entry_price"));
-                BigDecimal historyPnl = new BigDecimal(pos.getString("history_pnl"));
-                BigDecimal realisedPnl = new BigDecimal(pos.getString("realised_pnl"));
-
-                log.info("仓位推送: contract={}, mode={}, size={}, entry_price={}, history_pnl={}, realised_pnl={}",
-                        contract, mode, size, entryPrice, historyPnl, realisedPnl);
-
-                if (gridTradeService != null) {
-                    gridTradeService.onPositionUpdate(contract, mode, size, entryPrice, historyPnl, realisedPnl);
-                }
-            }
-        } catch (Exception e) {
-            log.error("处理仓位推送数据失败", e);
-        }
-    }
-
-    /**
-     * 启动心跳检测任务。
-     * 使用 ScheduledExecutorService 定期检查是否需要发送 ping 请求来维持连接。
+     * 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-kline-heartbeat");
-            t.setDaemon(true);
-            return t;
-        });
-
+        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。
-     * 当收到新消息或发送 ping 后取消当前超时任务并重新安排下一次超时检查。
+     * 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()) {
-            pongTimeoutFuture = heartbeatExecutor.schedule(this::checkHeartbeatTimeout,
-                    HEARTBEAT_TIMEOUT, TimeUnit.SECONDS);
+            pongTimeoutFuture = heartbeatExecutor.schedule(this::checkHeartbeatTimeout, HEARTBEAT_TIMEOUT, TimeUnit.SECONDS);
         }
     }
 
     /**
-     * 检查心跳超时情况。
-     * 若长时间未收到任何消息则主动发送 ping 请求保持连接活跃。
+     * 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() {
-        // 只有在连接状态下才检查心跳
-        if (!isConnected.get()) {
-            return;
-        }
-        
-        long currentTime = System.currentTimeMillis();
-        long lastTime = lastMessageTime.get();
-
-        if (currentTime - lastTime >= HEARTBEAT_TIMEOUT * 1000L) {
-            sendPing();
-        }
+        if (!isConnected.get()) return;
+        if (System.currentTimeMillis() - lastMessageTime.get() >= HEARTBEAT_TIMEOUT * 1000L) sendPing();
     }
 
     /**
-     * 发送 ping 请求至 WebSocket 服务端。
-     * 用于维持长连接有效性。
+     * 发送应用层 futures.ping 消息。
      */
     private void sendPing() {
         try {
@@ -590,62 +318,42 @@
                 pingMsg.put("time", System.currentTimeMillis() / 1000);
                 pingMsg.put("channel", FUTURES_PING);
                 webSocketClient.send(pingMsg.toJSONString());
-                log.debug("发送futures.ping请求");
+                log.debug("[WS] 发送 ping 请求");
             }
-        } catch (Exception e) {
-            log.warn("发送ping失败", e);
-        }
+        } catch (Exception e) { log.warn("[WS] 发送 ping 失败", e); }
     }
 
     /**
-     * 取消当前的心跳超时任务。
-     * 在收到 pong 或其他有效消息时调用此方法避免不必要的断开重连。
+     * 取消心跳超时检测任务。
      */
     private synchronized void cancelPongTimeout() {
-        if (pongTimeoutFuture != null && !pongTimeoutFuture.isDone()) {
-            pongTimeoutFuture.cancel(true);
-        }
+        if (pongTimeoutFuture != null && !pongTimeoutFuture.isDone()) pongTimeoutFuture.cancel(true);
     }
 
+    // ---- reconnect ----
+
     /**
-     * 执行 WebSocket 重连操作。
-     * 在连接意外中断后尝试重新建立连接。
+     * 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;
-        int maxAttempts = 3;
+        int attempt = 0, maxAttempts = 3;
         long delayMs = 5000;
-
         while (attempt < maxAttempts) {
-            try {
-                Thread.sleep(delayMs);
-                connect();
-                return;
-            } catch (Exception e) {
-                log.warn("第{}次重连失败", 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("超过最大重试次数({})仍未连接成功", maxAttempts);
+        log.error("[WS] 超过最大重试次数({}),放弃重连", maxAttempts);
     }
 
     /**
-     * 优雅关闭线程池
+     * 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();
-            }
-        } catch (InterruptedException e) {
-            Thread.currentThread().interrupt();
-            executor.shutdownNow();
-        }
+        if (executor == null || executor.isTerminated()) return;
+        try { executor.shutdown(); if (!executor.awaitTermination(5, TimeUnit.SECONDS)) executor.shutdownNow(); }
+        catch (InterruptedException e) { Thread.currentThread().interrupt(); executor.shutdownNow(); }
     }
-}
\ No newline at end of file
+}

--
Gitblit v1.9.1