状态变化量proto定义

protos/device_state.proto

@@ -62,3 +62,15 @@ message TrainState{
   //顺序为从车头到车尾
   repeated string occupiedLinkId = 6;
 }
+
+//仿真运行时状态变化量，当前时刻与上一时刻比较得到
+message VariationStatus{
+  //新增或变化的列车的状态
+  repeated TrainState   updatedTrain = 1;
+  //移除的列车的索引
+  repeated string       removedTrainId = 2;
+  //状态发生变化的道岔
+  repeated SwitchState  updatedSwitch = 3;
+  //状态发生变化的区段
+  repeated SectionState updatedSection = 4;
+}