去除zlm使用redis过期作为心跳超时的方式

src/main/java/com/genersoft/iot/vmp/conf/redis/RedisKeyExpirationEventMessageListener.java

@@ -0,0 +1,41 @@
+package com.genersoft.iot.vmp.conf.redis;
+
+import com.genersoft.iot.vmp.conf.UserSetting;
+import org.springframework.data.redis.connection.RedisConnection;
+import org.springframework.data.redis.listener.KeyExpirationEventMessageListener;
+import org.springframework.data.redis.listener.RedisMessageListenerContainer;
+
+import java.util.Properties;
+
+public class RedisKeyExpirationEventMessageListener extends KeyExpirationEventMessageListener {
+
+    private UserSetting userSetting;
+    private RedisMessageListenerContainer listenerContainer;
+    private String keyspaceNotificationsConfigParameter = "EA";
+
+    public RedisKeyExpirationEventMessageListener(RedisMessageListenerContainer listenerContainer, UserSetting userSetting) {
+        super(listenerContainer);
+        this.listenerContainer = listenerContainer;
+        this.userSetting = userSetting;
+    }
+
+    @Override
+    public void init() {
+        if (!userSetting.getRedisConfig()) {
+            // 配置springboot默认Config为空，即不让应用去修改redis的默认配置，因为Redis服务出于安全会禁用CONFIG命令给远程用户使用
+            setKeyspaceNotificationsConfigParameter("");
+        }else {
+
+            RedisConnection connection = this.listenerContainer.getConnectionFactory().getConnection();
+            Properties config = connection.getConfig("notify-keyspace-events");
+            try {
+                if (!keyspaceNotificationsConfigParameter.equals(config.getProperty("notify-keyspace-events"))) {
+                    connection.setConfig("notify-keyspace-events", keyspaceNotificationsConfigParameter);
+                }
+            } finally {
+                connection.close();
+            }
+        }
+        super.init();
+    }
+}