syntax = "proto2";
package message;
import "message_base.proto";

//车位分配模块请求消息
message Parkspace_allocation_request_msg
{
    required Base_info                  base_info=1;            //消息类型
    required int32                      command_id=2;           //指令唯一标识符id
    required int32                      car_length=3;           //车长
    required int32                      car_width=4;            //车宽
    required int32                      car_height=5;           //车高
}

//车位分配模块反馈消息
message Parkspace_allocation_response_msg
{
    required Base_info                  base_info=1;            //消息类型
    required int32                      command_id=2;           //指令唯一标识符id
    required Error_manager              error_manager=3;        //分配成功与否标志
    required int32                      allocated_space_id=4;   //分配车位id
}

//车位分配模块状态消息
message Parkspace_allocation_status_msg
{
    required Base_info                  base_info=1;            //消息类型
    required Error_manager              error_manager=2;
    repeated Parkspace_info             parkspace_info=3;       //车位状态
}

//车位状态枚举
enum Parkspace_status
{
    eParkspace_empty            = 0;         //空闲，可分配
    eParkspace_occupied         = 1;         //被占用，不可分配
    eParkspace_reserverd        = 2;         //被预约，预约车辆可分配
    eParkspace_error            = 3;         //车位机械结构或硬件故障   
}

//单个车位基本信息与状态信息
message Parkspace_info
{
    required int32              parkspace_id=1;         //车位编号
    required int32              x_coordinate=2;         //x坐标
    required int32              y_coordinate=3;         //y坐标
    required int32              z_coordinate=4;         //z坐标
    required int32              length=5;               //车位长
    required int32              width=6;                //车位宽
    required int32              height=7;               //车位高
    required Parkspace_status   parkspace_status=8;     //车位当前状态
    optional int32              license=9;              //当前车位存入车辆的凭证号
    optional string             entry_time=10;          //入场时间
    optional string             leave_time=11;          //离场时间
}