优化通道同步添加对SN的判断，精简代码

src/main/java/com/genersoft/iot/vmp/service/IDeviceService.java

@@ -44,15 +44,8 @@ public interface IDeviceService {
     SyncStatus getChannelSyncStatus(String deviceId);
 
     /**
-     * 设置通道同步状态
-     * @param deviceId 设备ID
+     * 通道同步
+     * @param device
      */
-    void setChannelSyncReady(String deviceId);
-
-    /**
-     * 设置同步结束
-     * @param deviceId 设备ID
-     * @param errorMsg 错误信息
-     */
-    void setChannelSyncEnd(String deviceId, String errorMsg);
+    void sync(Device device);
 }

src/main/java/com/genersoft/iot/vmp/service/impl/DeviceServiceImpl.java

@@ -100,12 +100,16 @@ public class DeviceServiceImpl implements IDeviceService {
     }
 
     @Override
-    public void setChannelSyncReady(String deviceId) {
-        catalogResponseMessageHandler.setChannelSyncReady(deviceId);
-    }
-
-    @Override
-    public void setChannelSyncEnd(String deviceId, String errorMsg) {
-        catalogResponseMessageHandler.setChannelSyncEnd(deviceId, errorMsg);
+    public void sync(Device device) {
+        if (catalogResponseMessageHandler.getChannelSyncProgress(device.getDeviceId()) != null) {
+            logger.info("开启同步时发现同步已经存在");
+            return;
+        }
+        int sn = (int)((Math.random()*9+1)*100000);
+        catalogResponseMessageHandler.setChannelSyncReady(device, sn);
+        sipCommander.catalogQuery(device, sn, event -> {
+            String errorMsg = String.format("同步通道失败，错误码： %s, %s", event.statusCode, event.msg);
+            catalogResponseMessageHandler.setChannelSyncEnd(device.getDeviceId(), errorMsg);
+        });
     }
 }