refactor: clean up code formatting and improve readability across multiple files

This commit is contained in:
2026-04-29 08:38:27 +02:00
parent 5d97c3c8b5
commit 106118ad29
43 changed files with 414 additions and 379 deletions
@@ -12,8 +12,10 @@ import scala.jdk.CollectionConverters.*
@GrpcService
@Singleton
class CoordinatorServiceHandler extends CoordinatorServiceGrpc.CoordinatorServiceImplBase:
// scalafix:off DisableSyntax.var
@Inject
private var gameSubscriberManager: GameRedisSubscriberManager = uninitialized
// scalafix:on DisableSyntax.var
override def batchResubscribeGames(
request: BatchResubscribeRequest,
@@ -62,14 +62,14 @@ class GameRedisPublisher(
case GameResult.Draw(_) => "draw"
},
terminationReason = entry.engine.context.result.map {
case GameResult.Win(_, WinReason.Checkmate) => "checkmate"
case GameResult.Win(_, WinReason.Resignation) => "resignation"
case GameResult.Win(_, WinReason.TimeControl) => "timeout"
case GameResult.Draw(DrawReason.Stalemate) => "stalemate"
case GameResult.Draw(DrawReason.InsufficientMaterial) => "insufficient_material"
case GameResult.Draw(DrawReason.FiftyMoveRule) => "fifty_move"
case GameResult.Draw(DrawReason.ThreefoldRepetition) => "repetition"
case GameResult.Draw(DrawReason.Agreement) => "agreement"
case GameResult.Win(_, WinReason.Checkmate) => "checkmate"
case GameResult.Win(_, WinReason.Resignation) => "resignation"
case GameResult.Win(_, WinReason.TimeControl) => "timeout"
case GameResult.Draw(DrawReason.Stalemate) => "stalemate"
case GameResult.Draw(DrawReason.InsufficientMaterial) => "insufficient_material"
case GameResult.Draw(DrawReason.FiftyMoveRule) => "fifty_move"
case GameResult.Draw(DrawReason.ThreefoldRepetition) => "repetition"
case GameResult.Draw(DrawReason.Agreement) => "agreement"
},
redoStack = entry.engine.redoStackMoves.map(GameDtoMapper.moveToUci),
pendingTakebackRequest = entry.engine.pendingTakebackRequestBy.map(_.label.toLowerCase),
@@ -14,6 +14,7 @@ import io.quarkus.redis.datasource.RedisDataSource
import io.quarkus.redis.datasource.pubsub.PubSubCommands
import jakarta.annotation.PreDestroy
import jakarta.enterprise.context.ApplicationScoped
import jakarta.enterprise.inject.Instance
import jakarta.inject.Inject
import scala.compiletime.uninitialized
import scala.util.Try
@@ -24,14 +25,18 @@ import java.util.function.Consumer
class GameRedisSubscriberManager:
// scalafix:off DisableSyntax.var
@Inject var redis: RedisDataSource = uninitialized
@Inject var registry: GameRegistry = uninitialized
@Inject var objectMapper: ObjectMapper = uninitialized
@Inject var redisConfig: RedisConfig = uninitialized
@Inject var ioClient: IoGrpcClientWrapper = uninitialized
@Inject var heartbeatService: InstanceHeartbeatService = null
@Inject var redis: RedisDataSource = uninitialized
@Inject var registry: GameRegistry = uninitialized
@Inject var objectMapper: ObjectMapper = uninitialized
@Inject var redisConfig: RedisConfig = uninitialized
@Inject var ioClient: IoGrpcClientWrapper = uninitialized
@Inject var heartbeatServiceInstance: Instance[InstanceHeartbeatService] = uninitialized
// scalafix:on DisableSyntax.var
private def heartbeatServiceOpt: Option[InstanceHeartbeatService] =
if heartbeatServiceInstance.isUnsatisfied then None
else Some(heartbeatServiceInstance.get())
private val c2sListeners = new ConcurrentHashMap[String, PubSubCommands.RedisSubscriber]()
private val s2cObservers = new ConcurrentHashMap[String, Observer]()
@@ -44,7 +49,7 @@ class GameRedisSubscriberManager:
def subscribeGame(gameId: String): Unit =
try
val handler: Consumer[String] = msg => handleC2sMessage(gameId, msg)
val subscriber = redis.pubsub(classOf[String]).subscribe(c2sTopic(gameId), handler)
val subscriber = redis.pubsub(classOf[String]).subscribe(c2sTopic(gameId), handler)
c2sListeners.put(gameId, subscriber)
val writebackFn: String => Unit = json => redis.pubsub(classOf[String]).publish("game-writeback", json)
@@ -61,7 +66,7 @@ class GameRedisSubscriberManager:
s2cObservers.put(gameId, obs)
registry.get(gameId).foreach(_.engine.subscribe(obs))
if heartbeatService != null then heartbeatService.addGameSubscription(gameId)
heartbeatServiceOpt.foreach(_.addGameSubscription(gameId))
catch
case e: Exception =>
System.err.println(s"Warning: Redis subscription failed for game $gameId: ${e.getMessage}")
@@ -75,7 +80,7 @@ class GameRedisSubscriberManager:
registry.get(gameId).foreach(_.engine.unsubscribe(obs))
}
if heartbeatService != null then heartbeatService.removeGameSubscription(gameId)
heartbeatServiceOpt.foreach(_.removeGameSubscription(gameId))
private def handleC2sMessage(gameId: String, msg: String): Unit =
parseC2sMessage(msg) match
@@ -121,28 +126,16 @@ class GameRedisSubscriberManager:
}
def batchResubscribeGames(gameIds: java.util.List[String]): Int =
var count = 0
gameIds.forEach { gameId =>
subscribeGame(gameId)
count += 1
}
count
gameIds.forEach(subscribeGame)
gameIds.size()
def unsubscribeGames(gameIds: java.util.List[String]): Int =
var count = 0
gameIds.forEach { gameId =>
unsubscribeGame(gameId)
count += 1
}
count
gameIds.forEach(unsubscribeGame)
gameIds.size()
def evictGames(gameIds: java.util.List[String]): Int =
var count = 0
gameIds.forEach { gameId =>
unsubscribeGame(gameId)
count += 1
}
count
gameIds.forEach(unsubscribeGame)
gameIds.size()
def drainInstance(): Int =
val gameIds = new java.util.ArrayList(c2sListeners.keySet())
@@ -82,8 +82,7 @@ class GameResource:
private def assertIsNotBot(): Unit =
val botType = Option(jwt.getClaim[AnyRef]("type")).map(_.toString).getOrElse("")
if Set("bot", "official-bot").contains(botType) then
throw ForbiddenException("Only bots can make moves")
if Set("bot", "official-bot").contains(botType) then throw ForbiddenException("Only bots can make moves")
// scalafix:on DisableSyntax.throw
@@ -20,6 +20,7 @@ import io.grpc.Channel
@ApplicationScoped
class InstanceHeartbeatService:
// scalafix:off DisableSyntax.var
@Inject
private var redis: RedisDataSource = uninitialized
@@ -36,51 +37,46 @@ class InstanceHeartbeatService:
private var coordinatorEnabled: Boolean = true
private var coordinatorStub: CoordinatorServiceStub = uninitialized
private val log = Logger.getLogger(classOf[InstanceHeartbeatService])
private val mapper = ObjectMapper()
private var instanceId = ""
private var redisPrefix = "nowchess"
private val log = Logger.getLogger(classOf[InstanceHeartbeatService])
private val mapper = ObjectMapper()
private var instanceId = ""
private var redisPrefix = "nowchess"
private var streamObserver: Option[StreamObserver[HeartbeatFrame]] = None
private var heartbeatExecutor = Executors.newScheduledThreadPool(1)
private var redisHeartbeatExecutor = Executors.newScheduledThreadPool(1)
private var subscriptionCount = 0
private var localCacheSize = 0
private var serviceActive = false
private var shuttingDown = false
private var serviceActive = false
private var shuttingDown = false
// scalafix:on DisableSyntax.var
def onStart(@Observes event: StartupEvent): Unit =
if !coordinatorEnabled then
log.info("Coordinator support disabled via config; skipping heartbeat service startup")
return
try
shuttingDown = false
generateInstanceId()
initializeHeartbeatStream()
scheduleHeartbeats()
serviceActive = true
log.infof("Instance heartbeat service started with ID: %s", instanceId)
catch
case ex: Exception =>
serviceActive = false
log.errorf(ex, "Failed to start instance heartbeat service")
if coordinatorEnabled then
try
shuttingDown = false
generateInstanceId()
initializeHeartbeatStream()
scheduleHeartbeats()
serviceActive = true
log.infof("Instance heartbeat service started with ID: %s", instanceId)
catch
case ex: Exception =>
serviceActive = false
log.errorf(ex, "Failed to start instance heartbeat service")
else log.info("Coordinator support disabled via config; skipping heartbeat service startup")
def onShutdown(@Observes event: ShutdownEvent): Unit =
shuttingDown = true
if !serviceActive then
log.info("Instance heartbeat service stopped")
return
try
cleanup()
serviceActive = false
log.info("Instance heartbeat service stopped")
catch
case ex: Exception =>
log.errorf(ex, "Error during heartbeat service shutdown")
if serviceActive then
try
cleanup()
serviceActive = false
log.info("Instance heartbeat service stopped")
catch
case ex: Exception =>
log.errorf(ex, "Error during heartbeat service shutdown")
else log.info("Instance heartbeat service stopped")
def setRedisPrefix(prefix: String): Unit =
redisPrefix = prefix
@@ -92,18 +88,16 @@ class InstanceHeartbeatService:
localCacheSize = count
def addGameSubscription(gameId: String): Unit =
if !coordinatorEnabled then return
val setKey = s"$redisPrefix:instance:$instanceId:games"
redis.set(classOf[String]).sadd(setKey, gameId)
subscriptionCount += 1
if coordinatorEnabled then
val setKey = s"$redisPrefix:instance:$instanceId:games"
redis.set(classOf[String]).sadd(setKey, gameId)
subscriptionCount += 1
def removeGameSubscription(gameId: String): Unit =
if !coordinatorEnabled then return
val setKey = s"$redisPrefix:instance:$instanceId:games"
redis.set(classOf[String]).srem(setKey, gameId)
subscriptionCount = Math.max(0, subscriptionCount - 1)
if coordinatorEnabled then
val setKey = s"$redisPrefix:instance:$instanceId:games"
redis.set(classOf[String]).srem(setKey, gameId)
subscriptionCount = Math.max(0, subscriptionCount - 1)
private def generateInstanceId(): Unit =
val hostname =
@@ -137,7 +131,6 @@ class InstanceHeartbeatService:
streamObserver = None
private def scheduleHeartbeats(): Unit =
// Send heartbeat every 200ms
heartbeatExecutor.scheduleAtFixedRate(
() => sendHeartbeat(),
0,
@@ -145,7 +138,6 @@ class InstanceHeartbeatService:
TimeUnit.MILLISECONDS,
)
// Refresh Redis TTL every 2s
redisHeartbeatExecutor.scheduleAtFixedRate(
() => refreshRedisHeartbeat(),
0,