From 6b6a0304e846cc38b18b211af18307cf83a6aa51 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Wed, 03 Dec 2025 17:58:05 +0800
Subject: [PATCH] feat(okx): 实现OKX新价格WebSocket客户端
---
src/main/java/com/xcong/excoin/modules/okxNewPrice/OkxNewPriceWebSocketClient.java | 323 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 323 insertions(+), 0 deletions(-)
diff --git a/src/main/java/com/xcong/excoin/modules/okxNewPrice/OkxNewPriceWebSocketClient.java b/src/main/java/com/xcong/excoin/modules/okxNewPrice/OkxNewPriceWebSocketClient.java
new file mode 100644
index 0000000..800d900
--- /dev/null
+++ b/src/main/java/com/xcong/excoin/modules/okxNewPrice/OkxNewPriceWebSocketClient.java
@@ -0,0 +1,323 @@
+package com.xcong.excoin.modules.okxNewPrice;
+
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.xcong.excoin.rabbit.pricequeue.WebsocketPriceService;
+import com.xcong.excoin.utils.CoinTypeConvert;
+import com.xcong.excoin.utils.RedisUtils;
+import lombok.extern.slf4j.Slf4j;
+import org.java_websocket.client.WebSocketClient;
+import org.java_websocket.handshake.ServerHandshake;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.PostConstruct;
+import javax.annotation.PreDestroy;
+import javax.annotation.Resource;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.util.concurrent.*;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * OKX 新价格 WebSocket 客户端类，用于连接 OKX 的 WebSocket 接口，
+ * 实时获取并处理标记价格（mark price）数据，并将价格信息存储到 Redis 中。
+ * 同时支持心跳检测、自动重连以及异常恢复机制。
+ * @author Administrator
+ */
+@Slf4j
+@Component
+public class OkxNewPriceWebSocketClient {
+ @Resource
+ private WebsocketPriceService websocketPriceService;
+ @Resource
+ private RedisUtils redisUtils;
+
+ private WebSocketClient webSocketClient;
+ private ScheduledExecutorService heartbeatExecutor;
+ private volatile ScheduledFuture<?> pongTimeoutFuture;
+ private final AtomicReference<Long> lastMessageTime = new AtomicReference<>(System.currentTimeMillis());
+
+ private static final String WS_URL = "wss://ws.okx.com:8443/ws/v5/public";
+ private static final String CHANNEL = "mark-price";
+
+ private static final String[] INST_IDS = {
+ "BTC-USDT", "ETH-USDT", "XRP-USDT", "LTC-USDT", "BCH-USDT", "ETC-USDT"
+ };
+
+ // 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
+ private final ExecutorService sharedExecutor = Executors.newCachedThreadPool(r -> {
+ Thread t = new Thread(r, "okx-ws-shared-worker");
+ t.setDaemon(true);
+ return t;
+ });
+
+ /**
+ * 初始化方法，在 Spring Bean 构造完成后执行。
+ * 负责建立 WebSocket 连接并启动心跳检测任务。
+ */
+ @PostConstruct
+ public void init() {
+ connect();
+ startHeartbeat();
+ }
+
+ /**
+ * 销毁方法，在 Spring Bean 销毁前执行。
+ * 关闭 WebSocket 连接、停止心跳定时器及相关的线程资源。
+ */
+ @PreDestroy
+ public void destroy() {
+ if (webSocketClient != null && webSocketClient.isOpen()) {
+ webSocketClient.close();
+ }
+ if (heartbeatExecutor != null) {
+ heartbeatExecutor.shutdownNow();
+ }
+ if (pongTimeoutFuture != null) {
+ pongTimeoutFuture.cancel(true);
+ }
+ sharedExecutor.shutdownNow();
+ }
+
+ /**
+ * 建立与 OKX 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。
+ */
+ private void connect() {
+ try {
+ URI uri = new URI(WS_URL);
+ webSocketClient = new WebSocketClient(uri) {
+ @Override
+ public void onOpen(ServerHandshake handshake) {
+ log.info("OKX New Price WebSocket连接成功");
+ resetHeartbeatTimer();
+ subscribeChannels();
+ }
+
+ @Override
+ public void onMessage(String message) {
+ lastMessageTime.set(System.currentTimeMillis());
+ handleWebSocketMessage(message);
+ resetHeartbeatTimer();
+ }
+
+ @Override
+ public void onClose(int code, String reason, boolean remote) {
+ log.warn("OKX New Price WebSocket连接关闭: code={}, reason={}", code, reason);
+ cancelPongTimeout();
+
+ sharedExecutor.execute(() -> {
+ try {
+ reconnectWithBackoff();
+ } catch (InterruptedException ignored) {
+ Thread.currentThread().interrupt();
+ } catch (Exception e) {
+ log.error("重连失败", e);
+ }
+ });
+ }
+
+ @Override
+ public void onError(Exception ex) {
+ log.error("OKX New Price WebSocket发生错误", ex);
+ }
+ };
+
+ webSocketClient.connect();
+ } catch (URISyntaxException e) {
+ log.error("WebSocket URI格式错误", e);
+ }
+ }
+
+ /**
+ * 订阅指定交易对的价格通道。
+ * 构造订阅请求并发送给服务端。
+ */
+ private void subscribeChannels() {
+ JSONObject subscribeMsg = new JSONObject();
+ subscribeMsg.put("op", "subscribe");
+
+ JSONArray argsArray = new JSONArray();
+ for (String instId : INST_IDS) {
+ JSONObject arg = new JSONObject();
+ arg.put("channel", CHANNEL);
+ arg.put("instId", instId);
+ argsArray.add(arg);
+ }
+
+ subscribeMsg.put("args", argsArray);
+ webSocketClient.send(subscribeMsg.toJSONString());
+ log.info("已发送价格订阅请求，订阅通道数: {}", argsArray.size());
+ }
+
+ /**
+ * 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) {
+ try {
+ JSONObject response = JSON.parseObject(message);
+ String event = response.getString("event");
+
+ if ("subscribe".equals(event)) {
+ log.info("价格订阅成功: {}", response.getJSONObject("arg"));
+ } else if ("error".equals(event)) {
+ log.error("价格订阅错误: code={}, msg={}",
+ response.getString("code"), response.getString("msg"));
+ } else if ("pong".equals(event)) {
+ log.debug("收到pong响应");
+ cancelPongTimeout();
+ } else {
+ processPushData(response);
+ }
+ } catch (Exception e) {
+ log.error("处理WebSocket消息失败: {}", message, e);
+ }
+ }
+
+ /**
+ * 解析并处理价格推送数据。
+ * 将最新的标记价格存入 Redis 并触发后续业务逻辑比较处理。
+ *
+ * @param response 包含价格数据的 JSON 对象
+ */
+ private void processPushData(JSONObject response) {
+ try {
+ JSONArray dataArray = response.getJSONArray("data");
+ if (dataArray != null && !dataArray.isEmpty()) {
+ for (int i = 0; i < dataArray.size(); i++) {
+ try {
+ JSONObject priceData = dataArray.getJSONObject(i);
+ String instId = priceData.getString("instId");
+ String markPx = priceData.getString("markPx");
+ String ts = priceData.getString("ts");
+
+ String redisKey = buildRedisKey(instId);
+ redisUtils.set(redisKey, markPx);
+
+ String symbol = CoinTypeConvert.okxConvert(instId);
+ if (symbol != null) {
+ redisUtils.set(CoinTypeConvert.convertToKey(symbol), markPx);
+ websocketPriceService.comparePriceAsc(symbol, markPx);
+ websocketPriceService.comparePriceDesc(symbol, markPx);
+ }
+
+ log.debug("更新最新价格: {} = {}, 时间: {}", redisKey, markPx, ts);
+ } catch (Exception innerEx) {
+ log.warn("处理单条价格数据失败", innerEx);
+ }
+ }
+ }
+ } catch (Exception e) {
+ log.error("处理价格推送数据失败", e);
+ }
+ }
+
+ /**
+ * 构建 Redis Key
+ */
+ private String buildRedisKey(String instId) {
+ return "PRICE_" + instId.replace("-", "");
+ }
+
+ /**
+ * 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。
+ */
+ private void startHeartbeat() {
+ if (heartbeatExecutor != null) {
+ heartbeatExecutor.shutdownNow();
+ }
+
+ heartbeatExecutor = Executors.newSingleThreadScheduledExecutor(r -> {
+ Thread t = new Thread(r, "okx-newprice-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。
+ */
+ private synchronized void resetHeartbeatTimer() {
+ cancelPongTimeout();
+
+ if (heartbeatExecutor != null) {
+ 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。
+ */
+ private void checkHeartbeatTimeout() {
+ long currentTime = System.currentTimeMillis();
+ long lastTime = lastMessageTime.get();
+
+ if (currentTime - lastTime >= HEARTBEAT_TIMEOUT * 1000L) {
+ sendPing();
+ }
+ }
+
+ /**
+ * 发送 ping 请求至 WebSocket 服务端。
+ * 用于维持长连接有效性。
+ */
+ private void sendPing() {
+ try {
+ if (webSocketClient != null && webSocketClient.isOpen()) {
+ JSONObject ping = new JSONObject();
+ ping.put("op", "ping");
+ webSocketClient.send(ping.toJSONString());
+ log.debug("发送ping请求");
+ }
+ } catch (Exception e) {
+ log.warn("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。
+ */
+ private synchronized void cancelPongTimeout() {
+ if (pongTimeoutFuture != null && !pongTimeoutFuture.isDone()) {
+ pongTimeoutFuture.cancel(true);
+ }
+ }
+
+ /**
+ * 执行 WebSocket 重连操作。
+ * 在连接意外中断后尝试重新建立连接。
+ */
+ private void reconnectWithBackoff() throws InterruptedException {
+ int attempt = 0;
+ int maxAttempts = 5;
+ 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++;
+ }
+ }
+
+ log.error("超过最大重试次数({})仍未连接成功", maxAttempts);
+ }
+}
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