122 lines
3.7 KiB
Go
122 lines
3.7 KiB
Go
package can_btm
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import (
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"fmt"
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"joylink.club/bj-rtsts-server/const/balise_const"
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"joylink.club/bj-rtsts-server/dto/state_proto"
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"joylink.club/rtsssimulation/repository"
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"strings"
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"sync"
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)
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var baliseLock = &sync.Mutex{}
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func IsLine12(train *state_proto.TrainState) bool {
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if strings.Contains(train.ProjectCode, "12") {
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return true
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}
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return false
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}
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func AddNewExpectedBalise(balise *repository.Transponder, btmCache *state_proto.TrainBtmCache, telegram, userTelegram []byte, isLine12 bool) bool {
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baliseLock.Lock()
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defer baliseLock.Unlock()
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bl := btmCache.BaliseList
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for _, tt := range bl {
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if tt != nil && tt.BaliseId == balise.Id() {
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return false
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}
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}
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for i := 1; i < len(bl); i++ {
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bl[i-1] = bl[i]
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}
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unpack := false
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bc := BaliseCounterAdd(btmCache.BaliseCount, isLine12)
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mc := btmCache.MessageCounter
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if userTelegram != nil && len(userTelegram) > 0 {
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mc = uint32(BaliseCounterAdd(mc, isLine12))
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unpack = true
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}
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btmCache.BaliseCount = uint32(bc)
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btmCache.MessageCounter = mc
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btmS := &state_proto.BTMState{BaliseId: balise.Id(),
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Telegram: fmt.Sprintf("%x", userTelegram),
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Telegram128: fmt.Sprintf("%X", telegram),
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Unpack: unpack,
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BaliseType: int32(balise.BaliseType().Number()),
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AboveBalise: true, HasData: true}
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if userTelegram == nil || len(userTelegram) == 0 {
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btmS.Telegram = strings.Repeat("00", balise_const.UserTelegramByteLen)
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btmS.Telegram128 = strings.Repeat("00", balise_const.TelegramByteLen)
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btmS.HasData = false
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}
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//存入队尾
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bl[len(bl)-1] = btmS
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return true
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}
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// HandleTrainHeadPositionInfoForTrain 处理列车位置信息
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// 参数1： 参数2：发送序列号，参数3：应答器计数（每过一个应答器加一，在同一个应答器内不变)，参数4：报文计数器 (每解出一个报文加一)（0~255）
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func FindBaliseResend(train *state_proto.TrainState) (*state_proto.BTMState, byte, byte, byte) {
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baliseLock.Lock()
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defer baliseLock.Unlock()
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cache := train.BtmBaliseCache
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for _, balise := range cache.BaliseList {
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if balise != nil && balise.BaliseId == cache.ResendBaliseId && balise.ResendCount < 3 {
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balise.ResendCount++
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ndsn := BaliseCounterAdd(cache.Dsn, IsLine12(train))
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cache.Dsn = uint32(ndsn)
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return balise, ndsn, byte(cache.BaliseCount), byte(cache.MessageCounter)
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}
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}
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ndsn := BaliseCounterAdd(cache.Dsn, IsLine12(train))
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return nil, ndsn, 0, 0
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}
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func FindBaliseByNotSend(train *state_proto.TrainState) (*state_proto.BTMState, byte, byte, byte) {
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baliseLock.Lock()
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defer baliseLock.Unlock()
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cache := train.BtmBaliseCache
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for _, btmCache := range cache.BaliseList {
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if btmCache != nil && !btmCache.IsSend {
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ndsn := BaliseCounterAdd(cache.Dsn, IsLine12(train))
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cache.Dsn = uint32(ndsn)
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cache.ResendBaliseId = btmCache.BaliseId
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return btmCache, ndsn, byte(cache.BaliseCount), byte(cache.MessageCounter)
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}
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}
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ndsn := BaliseCounterAdd(cache.Dsn, IsLine12(train))
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return nil, ndsn, 0, 0
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}
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func ClearBalise(train *state_proto.TrainState) {
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baliseLock.Lock()
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defer baliseLock.Unlock()
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train.BtmBaliseCache.BaliseList = make([]*state_proto.BTMState, 3)
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}
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// 11号线根据序列号查询
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func FindBaliseByMessageSerial(train *state_proto.TrainState, ms byte) (*state_proto.BTMState, byte, bool) {
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baliseLock.Lock()
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defer baliseLock.Unlock()
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cache := train.BtmBaliseCache
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for _, btmCache := range cache.BaliseList {
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if btmCache != nil {
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if btmCache.BaliseId == cache.ResendBaliseId {
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if byte(btmCache.PackageDataSN) == ms {
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bt, dsn, _, _ := FindBaliseByNotSend(train)
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return bt, dsn, true
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} else {
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ndsn := BaliseCounterAdd(cache.Dsn, IsLine12(train))
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cache.Dsn = uint32(ndsn)
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return btmCache, ndsn, false
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}
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}
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}
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}
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bt, dsn, _, _ := FindBaliseByNotSend(train)
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return bt, dsn, true
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}
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