rts-sim-testing-service/third_party/axle_device/rssp_axle.go
2023-11-10 10:54:44 +08:00

125 lines
3.0 KiB
Go

package axle_device
import (
"context"
"fmt"
"joylink.club/bj-rtsts-server/config"
"joylink.club/bj-rtsts-server/third_party/message"
"log/slog"
"runtime/debug"
"time"
)
//计轴设备与联锁系统安全通信应用层实现
type RsspAxle interface {
//Start 启动计轴设备与联锁系统安全通信服务
Start(amm AxleMessageManager) error
//Stop 停止计轴设备与联锁系统安全通信服务
Stop()
}
type rsspAxle struct {
//所属城市
city string
//所属线路
lineId string
//所属集中站
centralizedStation string
//接收方每个安全通信会话对应的发送周期值,单位ms
sendingPeriod uint32
//主安全通道
rsspChannel *RsspChannel
//收到应用层消息回调
messageManager AxleMessageManager
//发送区段状态任务
cancelSendStatus context.CancelFunc
}
func InitRsspAxle(cfg *config.RsspAxleConfig) RsspAxle {
ra := &rsspAxle{}
//
ra.city = cfg.City
ra.lineId = cfg.LineId
ra.centralizedStation = cfg.CentralizedStation
ra.sendingPeriod = cfg.RsspCfg.SendingPeriod
//
mrc := &RsspChannel{}
ra.rsspChannel = mrc.Init(&cfg.RsspCfg)
//
return ra
}
// rssp 安全层执行
func (s *rsspAxle) rcvCmdMsg(data []byte) {
msg := &message.SectionCmdMsgPack{}
msg.Decode(data)
s.messageManager.HandleSectionCmdMsg(s.city, s.lineId, s.centralizedStation, msg)
}
func (s *rsspAxle) Start(amm AxleMessageManager) error {
s.messageManager = amm
//设置安全通道层
if s.rsspChannel != nil {
s.rsspChannel.handleUserData = s.rcvCmdMsg
s.rsspChannel.Start()
}
//
sendContext, sendCancel := context.WithCancel(context.Background())
go s.doTaskSendStatus(sendContext)
s.cancelSendStatus = sendCancel
//
return nil
}
func (s *rsspAxle) Stop() {
if s.rsspChannel != nil {
s.rsspChannel.Stop()
}
//
if s.cancelSendStatus != nil {
s.cancelSendStatus()
}
s.messageManager = nil
}
func (s *rsspAxle) doTaskSendStatus(sendContext context.Context) {
defer func() {
if e := recover(); e != nil {
slog.Error(fmt.Sprintf("[%s-%s-%s]定时发送计轴区段状态任务异常", s.city, s.lineId, s.centralizedStation), "error", e, "stack", string(debug.Stack()))
debug.PrintStack()
}
}()
for {
select {
case <-sendContext.Done():
return
default:
}
if s.messageManager == nil {
slog.Warn(fmt.Sprintf("[%s-%s-%s]定时发送计轴区段状态任务因messageManager不存在退出", s.city, s.lineId, s.centralizedStation))
return
}
//收集区段状态
sectionStatusMsg, e := s.messageManager.CollectSectionStatus(s.city, s.lineId, s.centralizedStation)
if e == nil {
if sectionStatusMsg != nil {
msgPack := &message.SectionStatusMsgPack{}
msgPack.Ck = 0 //暂时无用
msgPack.Sms = sectionStatusMsg
s.sendStatusMsg(msgPack)
}
} else {
slog.Debug(e.Error())
}
//todo
time.Sleep(time.Duration(s.sendingPeriod) * time.Millisecond)
}
}
// 发送计轴区段状态给联锁
func (s *rsspAxle) sendStatusMsg(msg *message.SectionStatusMsgPack) {
data := msg.Encode()
//向主通道发送
if s.rsspChannel != nil {
s.rsspChannel.sendUserData(data)
}
}