exchange.git - Gitblit

package com.xcong.excoin.modules.newPrice;
 
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.boot.autoconfigure.condition.ConditionalOnProperty;
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.AtomicBoolean;
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
@ConditionalOnProperty(prefix = "app", name = "websocket", havingValue = "true")
public class OkxNewPriceWebSocketClientV2 {
 
    @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());
 
    // 连接状态标志
    private final AtomicBoolean isConnected = new AtomicBoolean(false);
    private final AtomicBoolean isConnecting = new AtomicBoolean(false);
 
    /**
     * 获取WebSocketClient实例
     * @return WebSocketClient实例
     */
    public WebSocketClient getWebSocketClient() {
        return webSocketClient;
    }
 
    public OkxNewPriceWebSocketClientV2(RedisUtils redisUtils) {
        this.redisUtils = redisUtils;
    }
 
 
 
    private static final String WS_URL = "wss://ws.okx.com:8443/ws/v5/public";
    private static final String CHANNEL_MARK_PRICE = "mark-price";
    private static final String CHANNEL_INDEX_TICKERS = "index-tickers";
    private static final String CHANNEL_OPEN_INTEREST = "open-interest";
 
    private static final String[] INST_IDS = {
            "BTC-USDT", "ETH-USDT", "XRP-USDT", "LTC-USDT", "BCH-USDT", "ETC-USDT", "BNB-USDT", "SOL-USDT"
    };
    //BTC-USDT-SWAP
    private static final String[] INST_IDS_INTEREST = {
            "BTC-USDT-SWAP", "ETH-USDT-SWAP", "XRP-USDT-SWAP", "LTC-USDT-SWAP", "BCH-USDT-SWAP", "ETC-USDT-SWAP", "BNB-USDT-SWAP", "SOL-USDT-SWAP"
    };
 
    /**
     * 订阅频道指令
     */
    private static final String SUBSCRIBE = "subscribe";
    private static final String UNSUBSCRIBE = "unsubscribe";
 
    // 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-account-order-worker");
        t.setDaemon(true);
        return t;
    });
 
    // 在 OkxQuantWebSocketClient 中添加初始化标记
    private final AtomicBoolean isInitialized = new AtomicBoolean(false);
 
    /**
     * 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() {
        // 防止重复初始化
        if (!isInitialized.compareAndSet(false, true)) {
            log.warn("OkxQuantWebSocketClient 已经初始化过，跳过重复初始化");
            return;
        }
 
        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() {
        log.info("开始销毁OkxQuantWebSocketClient");
 
        // 设置关闭标志，避免重连
        if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
            sharedExecutor.shutdown();
        }
 
        if (webSocketClient != null && webSocketClient.isOpen()) {
            try {
                subscribeAccountChannel(UNSUBSCRIBE);
                subscribePositionChannel(UNSUBSCRIBE);
                subscribeOrderInfoChannel(UNSUBSCRIBE);
                webSocketClient.closeBlocking();
            } catch (InterruptedException e) {
                Thread.currentThread().interrupt();
                log.warn("关闭WebSocket连接时被中断");
            }
        }
 
        shutdownExecutorGracefully(heartbeatExecutor);
        if (pongTimeoutFuture != null) {
            pongTimeoutFuture.cancel(true);
        }
        shutdownExecutorGracefully(sharedExecutor);
 
        log.info("OkxQuantWebSocketClient销毁完成");
    }
 
    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();
        }
    }
 
    /**
     * 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() {
        // 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");
            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 {
            URI uri = new URI(WS_URL);
            // 关闭之前的连接（如果存在）
            if (webSocketClient != null) {
                try {
                    webSocketClient.closeBlocking();
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                    log.warn("关闭之前连接时被中断");
                }
            }
 
            webSocketClient = new WebSocketClient(uri) {
                @Override
                public void onOpen(ServerHandshake handshake) {
                    log.info("OKX account-order WebSocket连接成功");
                    isConnected.set(true);
                    isConnecting.set(false);
 
                    // 棜查应用是否正在关闭
                    if (!sharedExecutor.isShutdown()) {
                        resetHeartbeatTimer();
                        subscribeAccountChannel(SUBSCRIBE);
                        subscribeOrderInfoChannel(SUBSCRIBE);
                        subscribePositionChannel(SUBSCRIBE);
                    } else {
                        log.warn("应用正在关闭，忽略WebSocket连接成功回调");
                    }
                }
 
                @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 account-order WebSocket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);
                            }
                        });
                    } else {
                        log.warn("共享线程池已关闭，无法执行重连任务");
                    }
                }
 
                @Override
                public void onError(Exception ex) {
                    log.error("OKX account-order WebSocket发生错误", ex);
                    isConnected.set(false);
                }
            };
 
            webSocketClient.connect();
        } catch (URISyntaxException e) {
            log.error("WebSocket URI格式错误", e);
            isConnecting.set(false);
        }
    }
 
    private void subscribeOrderInfoChannel(String option) {
        JSONObject subscribeMsg = new JSONObject();
        subscribeMsg.put("op", option);
 
        JSONArray argsArray = new JSONArray();
        for (String instId : INST_IDS) {
            JSONObject arg = new JSONObject();
            arg.put("channel", CHANNEL_MARK_PRICE);
            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());
    }
 
    private void subscribeAccountChannel(String option) {
        JSONObject subscribeMsg = new JSONObject();
        subscribeMsg.put("op", option);
 
        JSONArray argsArray = new JSONArray();
        for (String instId : INST_IDS) {
            JSONObject arg = new JSONObject();
            arg.put("channel", CHANNEL_INDEX_TICKERS);
            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());
    }
 
    private void subscribePositionChannel(String option) {
        JSONObject subscribeMsg = new JSONObject();
        subscribeMsg.put("op", option);
 
        JSONArray argsArray = new JSONArray();
        for (String instId : INST_IDS_INTEREST) {
            JSONObject arg = new JSONObject();
            arg.put("channel", CHANNEL_OPEN_INTEREST);
            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 {
            if ("pong".equals(message)) {
                log.debug("{}: 收到心跳响应");
                cancelPongTimeout();
                return;
            }
            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("订阅错误: code={}, msg={}",
                        response.getString("code"), response.getString("msg"));
            } else if ("channel-conn-count".equals(event)) {
                log.info("连接限制更新: channel={}, connCount={}",
                        response.getString("channel"), response.getString("connCount"));
            } else {
                processPushData(response);
            }
        } catch (Exception e) {
            log.error("处理WebSocket消息失败: {}" ,message, e);
        }
    }
 
    /**
     * 构建 Redis Key
     */
    private String buildRedisKey(String instId) {
        return "PRICE_" + instId.replace("-", "");
    }
    /**
     * 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) {
        JSONObject arg = response.getJSONObject("arg");
        if (arg == null) {
            log.warn("无效的推送数据，缺少 'arg' 字段 :{}",response);
            return;
        }
 
        String channel = arg.getString("channel");
        if (channel == null) {
            log.warn("无效的推送数据，缺少 'channel' 字段{}",response);
            return;
        }
 
        if (CHANNEL_MARK_PRICE.equals(channel)) {
            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);
            }
        }else if (CHANNEL_INDEX_TICKERS.equals(channel)) {
            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 open24h = priceData.getString("open24h");
                            String high24h = priceData.getString("high24h");
                            String low24h = priceData.getString("low24h");
                            String sodUtc0 = priceData.getString("sodUtc0");
                            String sodUtc8 = priceData.getString("sodUtc8");
                            String ts = priceData.getString("ts");
 
                            String redisKey = "open:" + buildRedisKey(instId);
                            redisUtils.set(redisKey, open24h);
 
                            String symbol = CoinTypeConvert.okxConvert(instId);
                            if (symbol != null) {
                                redisUtils.set(CoinTypeConvert.convertToOpenKey(symbol), open24h);
                            }
 
                            log.debug("更新开仓价格: {} = {}, 时间: {}", redisKey, open24h, 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);
            }
        }else if (CHANNEL_OPEN_INTEREST.equals(channel)) {
            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 oiUsd = priceData.getString("oiUsd");
                            String ts = priceData.getString("ts");
 
                            String redisKey = "volume:" + buildRedisKey(instId);
                            redisUtils.set(redisKey, oiUsd);
 
                            log.debug("更新持仓量: {} = {}, 时间: {}", redisKey, oiUsd, 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);
            }
        }
 
 
 
    }
 
    /**
     * 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.isTerminated()) {
            heartbeatExecutor.shutdownNow();
        }
 
        heartbeatExecutor = Executors.newSingleThreadScheduledExecutor(r -> {
            Thread t = new Thread(r, "okx-account-order-heartbeat");
            t.setDaemon(true);
            return t;
        });
 
        heartbeatExecutor.scheduleWithFixedDelay(this::checkHeartbeatTimeout,
                HEARTBEAT_TIMEOUT, HEARTBEAT_TIMEOUT, TimeUnit.SECONDS);
    }
 
    // 移除了 schedulePeriodicReconnect 方法
 
    /**
     * 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 void resetHeartbeatTimer() {
        cancelPongTimeout();
 
        // 检查线程池状态，避免在关闭过程中提交任务
        if (heartbeatExecutor != null && !heartbeatExecutor.isShutdown()) {
            pongTimeoutFuture = heartbeatExecutor.schedule(this::checkHeartbeatTimeout,
                    HEARTBEAT_TIMEOUT, TimeUnit.SECONDS);
        }
    }
 
    // 移除了 performScheduledReconnect 方法
 
    /**
     * 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() {
        // 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();
        }
    }
 
    /**
     * 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()) {
                webSocketClient.send("ping");
                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 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 {
        // 如果正在连接，则不重复发起重连
        if (isConnecting.get()) {
            log.info("连接已在进行中，跳过重连请求");
            return;
        }
 
        int attempt = 0;
        int maxAttempts = 5;
        long delayMs = 1000;
 
        while (attempt < maxAttempts && !isConnected.get()) {
            try {
                Thread.sleep(delayMs);
                connect();
 
                // 等待连接建立
                for (int i = 0; i < 10 && isConnecting.get(); i++) {
                    Thread.sleep(500);
                }
 
                if (isConnected.get()) {
                    log.info("重连成功");
                    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);
    }
}