syntax = "proto3";

package state;
option java_package = "club.joylink.bjrtss.ats.verify.protos";
option java_outer_classname = "DeviceStateProto";

//状态定义面向物理层即只定义物理状态，不定义逻辑层状态

//区段类型
enum  SectionType{
  Any=0;
  //计轴区段
  Axle=1;
  //逻辑区段
  Logic=2;
  //物理区段
  Physic=3;
}

//相邻端点定义的link的状态
message LinkState{
  //link索引
  string  id = 1;
  //link上的列车id列表
  repeated  string  trainId = 2;
}

//区段状态
message SectionState{
  //区段索引
  string  id = 1;
  //区段类型
  SectionType type = 2;
  //区段占用
  //true-占用；false-出清
  bool  occupied = 3;
}

//道岔状态
message  SwitchState{
  //道岔索引
  string  id = 1;
  //道岔处于定位
  bool  normal = 2;
  //道岔处于反位
  bool  reverse = 3;
}

//列车状态
message TrainState{
  //列车索引
  string  id = 1;
  //车头所在link的索引
  string  headLinkId = 2;
  //车头所在link内的偏移量，单位为cm
  int64   headLinkOffset = 3;
  //车尾所在link的索引
  string  tailLinkId = 4;
  //车尾所在link内的偏移量，单位为cm
  int64   tailLinkOffset = 5;
  //列车所占用的link的索引的列表
  //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;
}

//仿真运行时的所有设备的状态
message AllDevicesStatus{
  //所有列车状态
  repeated TrainState  trainState = 1;
  //所有道岔状态
  repeated SwitchState switchState = 2;
  //所有类型区段状态
  repeated SectionState sectionState = 3;
}