From b8640dc78123f4be2483feed2f48b9183983f51f Mon Sep 17 00:00:00 2001
From: Junjie <fallin.jie@qq.com>
Date: 星期一, 13 四月 2026 14:11:54 +0800
Subject: [PATCH] #站点运行优化

---
 src/main/java/com/zy/core/network/ZyStationConnectDriver.java |   45 +++++++++++++++++++++++++++++++++------------
 1 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/src/main/java/com/zy/core/network/ZyStationConnectDriver.java b/src/main/java/com/zy/core/network/ZyStationConnectDriver.java
index e2fac59..c6c86f2 100644
--- a/src/main/java/com/zy/core/network/ZyStationConnectDriver.java
+++ b/src/main/java/com/zy/core/network/ZyStationConnectDriver.java
@@ -20,6 +20,7 @@
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.ThreadFactory;
 import java.util.concurrent.TimeUnit;
+import java.util.UUID;
 
 /**
  * 杈撻�佺珯杩炴帴椹卞姩
@@ -29,8 +30,10 @@
 
     private static final ZyStationFakeSegConnect zyStationFakeSegConnect = new ZyStationFakeSegConnect();
     private static final ZyStationV4FakeSegConnect zyStationV4FakeSegConnect = new ZyStationV4FakeSegConnect();
-    private static final long SEND_LOCK_WARN_MS = 3_000L;
+    private static final long SEND_LOCK_WARN_MS = 500L;
     private static final long SEND_COST_WARN_MS = 5_000L;
+    private static final long SEND_LOCK_POLL_MS = 20L;
+    private static final long SEND_LOCK_EXPIRE_SECONDS = 15L;
 
     private volatile boolean connected = false;
     private volatile boolean connecting = false;
@@ -162,37 +165,39 @@
         if (!connected || connecting || connectApi == null) {
             return new CommandResponse(false, "璁惧鏈繛鎺ワ紝鍛戒护涓嬪彂澶辫触");
         }
+        String lockKey = buildStationExecuteLockKey();
+        String lockToken = UUID.randomUUID().toString();
         long lockWaitStart = System.currentTimeMillis();
         int waitRounds = 0;
-        while (true) {
-            Object lock = redisUtil.get(RedisKeyType.STATION_EXECUTE_COMMAND_LOCK.key);
-            if(lock != null) {
+        if (redisUtil != null) {
+            while (true) {
+                if (redisUtil.trySetStringIfAbsent(lockKey, lockToken, SEND_LOCK_EXPIRE_SECONDS)) {
+                    break;
+                }
                 waitRounds++;
                 try {
-                    Thread.sleep(500);
-                }catch (Exception e) {
+                    Thread.sleep(SEND_LOCK_POLL_MS);
+                } catch (Exception e) {
                     e.printStackTrace();
                 }
-            }else {
-                redisUtil.set(RedisKeyType.STATION_EXECUTE_COMMAND_LOCK.key, "lock", 60 * 5);
-                break;
             }
         }
         long lockWaitCost = System.currentTimeMillis() - lockWaitStart;
         if (lockWaitCost >= SEND_LOCK_WARN_MS) {
-            log.warn("杈撻�佸懡浠ょ瓑寰呭叏灞�鍙戦�侀攣瓒呮椂锛宒eviceNo={}, taskNo={}, stationId={}, targetStaNo={}, waitMs={}, waitRounds={}",
+            log.warn("杈撻�佸懡浠ょ瓑寰呰澶囧彂閫侀攣瓒呮椂锛宒eviceNo={}, taskNo={}, stationId={}, targetStaNo={}, waitMs={}, waitRounds={}, lockKey={}",
                     deviceConfig == null ? null : deviceConfig.getDeviceNo(),
                     command == null ? null : command.getTaskNo(),
                     command == null ? null : command.getStationId(),
                     command == null ? null : command.getTargetStaNo(),
                     lockWaitCost,
-                    waitRounds);
+                    waitRounds,
+                    lockKey);
         }
         long sendStart = System.currentTimeMillis();
         try {
             return connectApi.sendCommand(deviceConfig.getDeviceNo(), command);
         } finally {
-            redisUtil.del(RedisKeyType.STATION_EXECUTE_COMMAND_LOCK.key);
+            releaseDeviceSendLock(lockKey, lockToken);
             long sendCostMs = System.currentTimeMillis() - sendStart;
             if (sendCostMs >= SEND_COST_WARN_MS) {
                 log.warn("杈撻�佸懡浠ゅ簳灞傚彂閫佽�楁椂杩囬暱锛宒eviceNo={}, taskNo={}, stationId={}, targetStaNo={}, sendCostMs={}",
@@ -205,6 +210,22 @@
         }
     }
 
+    private String buildStationExecuteLockKey() {
+        Integer deviceNo = deviceConfig == null ? null : deviceConfig.getDeviceNo();
+        return RedisKeyType.STATION_EXECUTE_COMMAND_LOCK.key + ":" + deviceNo;
+    }
+
+    private void releaseDeviceSendLock(String lockKey, String lockToken) {
+        if (redisUtil == null || lockKey == null) {
+            return;
+        }
+        try {
+            redisUtil.compareAndDelete(lockKey, lockToken);
+        } catch (Exception e) {
+            log.warn("閲婃斁杈撻�佽澶囧彂閫侀攣澶辫触锛宭ockKey={}", lockKey, e);
+        }
+    }
+
     public CommandResponse sendOriginCommand(String address, short[] data) {
         ZyStationConnectApi connectApi = zyStationConnectApi;
         if (!connected || connecting || connectApi == null) {

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