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more token ring stuff

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This commit is contained in:
minjaesong
2025-03-02 19:47:52 +09:00
parent ef4a5d6eb9
commit 2bb1c8400e
2 changed files with 30 additions and 16 deletions
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41
ModuleComputers/src/net/torvald/terrarum/modulecomputers/gameactors/FixtureRingBusExerciser.kt
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@@ -22,6 +22,7 @@ class FixtureRingBusExerciser : Electric {
private val mac = rng.nextInt()
companion object {
const val INITIAL_LISTENING_TIMEOUT = 300
const val SIGNAL_TOO_WEAK_THRESHOLD = 1.0 / 16.0
}
@@ -52,12 +53,20 @@ class FixtureRingBusExerciser : Electric {
private var statusAbort = false // will "eat away" any receiving frames unless the frame is a ballot frame
private var activeMonitorStatus = 0 // 0: unknown, 1: known and not me, 2: known and it's me
private var lastAccessTime = -1L
override fun updateSignal() {
val time_t = INGAME.world.worldTime.TIME_T
if (lastAccessTime == -1L) lastAccessTime = time_t
// monitor the input port
val inn = getWireStateAt(1, 0, "10base2")
// if a signal is there
if (inn.x >= SIGNAL_TOO_WEAK_THRESHOLD) {
lastAccessTime = time_t
val frameNumber = (inn.y + (0.5 * inn.y.sign)).toInt()
if (frameNumber != 0) { // frame number must be non-zero
@@ -67,6 +76,12 @@ class FixtureRingBusExerciser : Electric {
try {
val frame = getFrameByNumber(frameNumber)
// fast init (voting) cancellation, if applicable
if (activeMonitorStatus == 0 && frame.getFrameType() == "token") {
activeMonitorStatus = 1
}
// if I have a message to send or the frame should be captured, do something with it
if (msgQueue.notEmpty() || frame.shouldIintercept(mac)) {
// do something with the received frame
val newFrame = doSomethingWithFrame(frame) ?: frameNumber
@@ -77,14 +92,14 @@ class FixtureRingBusExerciser : Electric {
frame.discardFrame()
}
}
// else, just pass it along
else {
setWireEmissionAt(0, 0, Vector2(1.0, frameNumber.toDouble()))
}
}
// frame lost due to poor savegame migration or something: send out ABORT signal
catch (e: NullPointerException) {
val abortFrame = NetFrame.makeAbort(mac)
emitNewFrame(abortFrame)
emitNewFrame(NetFrame.makeAbort(mac))
statusAbort = true
}
}
@@ -137,6 +152,14 @@ class FixtureRingBusExerciser : Electric {
// if a signal is not there
else {
setWireEmissionAt(0, 0, Vector2())
// if no-signal for 5 in-game minutes (around 5 real-life seconds)
if (time_t - lastAccessTime > INITIAL_LISTENING_TIMEOUT) {
// initialise the voting process
activeMonitorStatus = 0
emitNewFrame(NetFrame.makeBallot(mac))
lastAccessTime = time_t
}
}
}
@@ -165,8 +188,7 @@ class FixtureRingBusExerciser : Electric {
val (recipient, msgStr) = msgQueue.removeFirst()
val msgByte = msgStr.toByteArray(Common.CHARSET)
val newFrame = NetFrame.makeData(mac, recipient, msgByte)
return emitNewFrame(newFrame)
return emitNewFrame(NetFrame.makeData(mac, recipient, msgByte))
}
protected fun doSomethingWithData(incomingFrame: NetFrame): Int? {
@@ -177,8 +199,7 @@ class FixtureRingBusExerciser : Electric {
msgLog.addLast(rec to (str ?: "(null)"))
// make ack
val ack = NetFrame.makeAck(mac, incomingFrame.getSender())
return emitNewFrame(ack)
return emitNewFrame(NetFrame.makeAck(mac, incomingFrame.getSender()))
}
else return null
}
@@ -201,8 +222,7 @@ class FixtureRingBusExerciser : Electric {
}
// make an empty token
val token = NetFrame.makeToken(mac)
return emitNewFrame(token)
return emitNewFrame(NetFrame.makeToken(mac))
}
else return null
}
@@ -222,9 +242,8 @@ class FixtureRingBusExerciser : Electric {
if (incomingFrame.getSender() == mac && incomingFrame.getBallot() == mac) {
activeMonitorStatus = 2
// send out winner announcement
val win = NetFrame.makeWinnerAnnouncement(mac)
return emitNewFrame(win)
// send out first empty token
return emitNewFrame(NetFrame.makeToken(mac))
}
}
// if i'm in the winner announcement phase, kill the frame