优化通道更新逻辑

src/main/java/com/genersoft/iot/vmp/gb28181/session/CatalogDataCatch.java

@@ -0,0 +1,74 @@
+package com.genersoft.iot.vmp.gb28181.session;
+
+import com.genersoft.iot.vmp.gb28181.bean.CatalogData;
+import com.genersoft.iot.vmp.gb28181.bean.Device;
+import com.genersoft.iot.vmp.gb28181.bean.DeviceChannel;
+import com.genersoft.iot.vmp.gb28181.transmit.callback.DeferredResultHolder;
+import com.genersoft.iot.vmp.gb28181.transmit.callback.RequestMessage;
+import com.genersoft.iot.vmp.storager.IVideoManagerStorager;
+import com.genersoft.iot.vmp.vmanager.bean.WVPResult;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import java.util.*;
+import java.util.concurrent.ConcurrentHashMap;
+
+@Component
+public class CatalogDataCatch {
+
+    public static Map<String, CatalogData> data = new ConcurrentHashMap<>();
+
+    @Autowired
+    private DeferredResultHolder deferredResultHolder;
+
+    @Autowired
+    private IVideoManagerStorager storager;
+
+    public void put(String key, int total, Device device, List<DeviceChannel> deviceChannelList) {
+        CatalogData catalogData = data.get(key);
+        if (catalogData == null) {
+            catalogData = new CatalogData();
+            catalogData.setTotal(total);
+            catalogData.setDevice(device);
+            catalogData.setChannelList(new ArrayList<>());
+            data.put(key, catalogData);
+        }
+        catalogData.getChannelList().addAll(deviceChannelList);
+        catalogData.setLastTime(new Date(System.currentTimeMillis()));
+    }
+
+    public List<DeviceChannel> get(String key) {
+        CatalogData catalogData = data.get(key);
+        if (catalogData == null) return null;
+        return catalogData.getChannelList();
+    }
+
+    public void del(String key) {
+        data.remove(key);
+    }
+
+    @Scheduled(fixedRate = 5 * 1000)   //每5秒执行一次, 发现数据5秒未更新则移除数据并认为数据接收超时
+    private void timerTask(){
+        Set<String> keys = data.keySet();
+        Calendar calendar = Calendar.getInstance();
+        calendar.setTime(new Date());
+        calendar.set(Calendar.SECOND, calendar.get(Calendar.SECOND) - 5);
+        for (String key : keys) {
+            CatalogData catalogData = data.get(key);
+            if (catalogData.getLastTime().before(calendar.getTime())) {
+
+                storager.resetChannels(catalogData.getDevice().getDeviceId(), catalogData.getChannelList());
+                RequestMessage msg = new RequestMessage();
+                msg.setKey(key);
+                WVPResult<Object> result = new WVPResult<>();
+                result.setCode(0);
+                result.setMsg("更新成功，共" + catalogData.getTotal() + "条，已更新" + catalogData.getChannelList().size() + "条");
+                result.setData(catalogData.getDevice());
+                msg.setData(result);
+                deferredResultHolder.invokeAllResult(msg);
+                data.remove(key);
+            }
+        }
+    }
+}