exchange.git - Gitblit

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.modules.okxNewPrice.celue.CaoZuoService;
import com.xcong.excoin.modules.okxNewPrice.okxWs.TradeOrderWs;
import com.xcong.excoin.modules.okxNewPrice.okxWs.enums.CoinEnums;
import com.xcong.excoin.modules.okxNewPrice.okxWs.param.TradeRequestParam;
import com.xcong.excoin.modules.okxNewPrice.okxWs.wanggeList.WangGeListEnum;
import com.xcong.excoin.modules.okxNewPrice.okxWs.wanggeList.WangGeListService;
import com.xcong.excoin.modules.okxNewPrice.utils.SSLConfig;
import com.xcong.excoin.utils.RedisUtils;
import java.math.BigDecimal;
import lombok.extern.slf4j.Slf4j;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
 
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Collection;
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
public class OkxNewPriceWebSocketClient {
    private final RedisUtils redisUtils;
    private final CaoZuoService caoZuoService;
    private final OkxWebSocketClientManager clientManager;
    private final WangGeListService wangGeListService;
 
    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);
    private final AtomicBoolean isInitialized = new AtomicBoolean(false);
 
    private static final String CHANNEL = "mark-price";
 
    // 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;
    });
 
    public OkxNewPriceWebSocketClient(RedisUtils redisUtils,
                                      CaoZuoService caoZuoService, OkxWebSocketClientManager clientManager,
                                      WangGeListService wangGeListService) {
        this.redisUtils = redisUtils;
        this.caoZuoService = caoZuoService;
        this.clientManager = clientManager;
        this.wangGeListService = wangGeListService;
    }
 
    /**
     * 初始化方法，创建并初始化WebSocket客户端实例
     */
    public void init() {
        if (!isInitialized.compareAndSet(false, true)) {
            log.warn("OkxNewPriceWebSocketClient 已经初始化过，跳过重复初始化");
            return;
        }
        connect();
        startHeartbeat();
    }
 
    /**
     * 销毁方法，关闭WebSocket连接和相关资源
     */
    public void destroy() {
        log.info("开始销毁OkxNewPriceWebSocketClient");
 
        // 设置关闭标志，避免重连
        if (sharedExecutor != null && !sharedExecutor.isShutdown()) {
            sharedExecutor.shutdown();
        }
 
        if (webSocketClient != null && webSocketClient.isOpen()) {
            try {
                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("OkxNewPriceWebSocketClient销毁完成");
    }
 
    private static final String WS_URL_MONIPAN = "wss://wspap.okx.com:8443/ws/v5/public";
    private static final String WS_URL_SHIPAN = "wss://ws.okx.com:8443/ws/v5/public";
    private static final boolean isAccountType = true;
 
    /**
     * 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 {
            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）
            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 New Price WebSocket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();
                        subscribeChannels();
                    } 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 New Price 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 New Price 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);
        }
    }
 
    /**
     * 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();
        JSONObject arg = new JSONObject();
        arg.put("channel", CHANNEL);
        arg.put("instId", CoinEnums.HE_YUE.getCode());
        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。
     * 当价格变化时，调用CaoZuoService的caoZuo方法，触发所有账号的量化操作
     *
     * @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");
                        // 保存价格到Redis
                        redisUtils.set(CoinEnums.HE_YUE.getCode(), markPx);
 
                        log.debug("更新最新价格: {} = {}, 币种: {}", CoinEnums.HE_YUE.getCode(), markPx, instId);
                        
                        // 价格变化时，触发所有账号的量化操作
                        triggerQuantOperations(markPx);
                    } 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);
        }
    }
    
    /**
     * 触发所有账号的量化操作
     * @param markPx 当前标记价格
     */
    private void triggerQuantOperations(String markPx) {
        try {
            // 1. 判断当前价格属于哪个网格
            WangGeListEnum gridByPriceNew = WangGeListEnum.getGridByPrice(new BigDecimal(markPx));
            if (gridByPriceNew == null) {
                log.error("当前价格{}不在任何网格范围内，无法触发量化操作", markPx);
                return;
            }
            /**
             * 获取当前网格信息
             *      根据当前网格的持仓方向获取反方向是否存在持仓
             *      如果持有，直接止损
             */
            Collection<OkxQuantWebSocketClient> allClients = clientManager.getAllClients();
            //如果为空，则直接返回
            if (allClients.isEmpty()) {
                return;
            }
            // 获取所有OkxQuantWebSocketClient实例
            for (OkxQuantWebSocketClient client : clientManager.getAllClients()) {
                String accountName = client.getAccountName();
                if (accountName != null) {
                    /**
                     * 处理历史网格的订单
                     * 根据历史网格的开单方向，是否需要止损处理
                     *      如果方向一致就不需要处理
                     *      如果不一致则需要处理
                     */
                    String fangXiang = gridByPriceNew.getFang_xiang();
                    String fangXiangOld = CoinEnums.POSSIDE_LONG.getCode().equals(fangXiang) ? CoinEnums.POSSIDE_SHORT.getCode() : CoinEnums.POSSIDE_LONG.getCode();
                    log.info("历史网格方向为：{}", fangXiangOld);
                    if (!fangXiang.equals(fangXiangOld)){
                        TradeRequestParam tradeRequestParamOld = caoZuoService.caoZuoZhiSunEvent(accountName, markPx, fangXiangOld);
                        TradeOrderWs.orderEvent(client.getWebSocketClient(), tradeRequestParamOld);
                    }
 
                    /**
                     * 处理当前网格的订单，触发量化操作
                     */
                    log.info("当前价格{}属于网格: {}-{}({}-{})", markPx, gridByPriceNew.getName(),gridByPriceNew.getFang_xiang(), gridByPriceNew.getJiage_xiaxian(), gridByPriceNew.getJiage_shangxian());
                    wangGeListService.initWangGe(markPx);
                    TradeRequestParam tradeRequestParam = caoZuoService.caoZuoHandler(accountName, markPx, gridByPriceNew.getFang_xiang());
                    TradeOrderWs.orderEvent(client.getWebSocketClient(), tradeRequestParam);
                    log.info("价格变化触发量化操作: 账号={}, 价格={}",  accountName, markPx);
                }
            }
        } catch (Exception e) {
            log.error("触发量化操作失败", 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.isTerminated()) {
            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 && !heartbeatExecutor.isShutdown()) {
            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() {
        // 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()) {
                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 = 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++;
            }
        }
 
        log.error("超过最大重试次数({})仍未连接成功", maxAttempts);
    }
 
    /**
     * 优雅关闭线程池
     */
    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();
        }
    }
}