#update

maibu-netty-server/src/main/java/com/maibu/service/DeviceThreadService.java

@@ -14,12 +14,15 @@ import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import java.util.stream.Collectors;
 
+import com.maibu.constant.Constant;
+import com.maibu.core.host.HeartBeatDTO;
 import com.maibu.memory.DeviceSessionManager;
 import com.maibu.utils.json.JsonUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.eclipse.paho.client.mqttv3.MqttException;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.core.Constants;
 import org.springframework.core.io.Resource;
 import org.springframework.core.io.ResourceLoader;
 import org.springframework.stereotype.Service;
@@ -254,4 +257,41 @@ public class DeviceThreadService {
         return null;
     }
 
+
+    /**
+     * 监控心跳
+     */
+    public void heartBeatMonitor() {
+
+        ScheduledExecutorService executor = Executors.newSingleThreadScheduledExecutor();
+        executor.scheduleWithFixedDelay(() -> {
+            try {
+                Long nowTime = System.currentTimeMillis();
+                List<HeartBeatDTO> heartBeatDTOS = GlobalMemory.customMqttDeviceMonitor.getAllHeartBeat();
+                if (!CollectionUtils.isEmpty(heartBeatDTOS)) {
+                    heartBeatDTOS.forEach(x -> {
+                        Long lastActiveTime = x.getSysTimestamp();
+                        NettyDevice device = sessionManager.getDevice(x.getSn());
+                        if (nowTime - lastActiveTime >= Constant.hostOfflineInterval) {
+                            //超时了判断离线
+                            if (device != null) {
+                                device.status(0);
+                                //todo 推送设备离线
+
+                            }
+                        } else {
+
+
+
+                        }
+                    });
+                }
+            } catch (Exception e) {
+                log.error("执行监测心跳线程错误：{}", e.getMessage());
+            }
+        }, 0, 500, TimeUnit.MILLISECONDS);
+
+
+    }
+
 }