Packages

class PingService extends Impl with AdminWorkflowService with FlagCloseable with PromiseUnlessShutdownFactory with HasCloseContext with NamedLogging with Spanning

Implements the core of the ledger ping service for a participant. The service measures the time needed for a nanobot on the responder to act on a contract created by the initiator.

The main functionality:

  1. once instantiated, it automatically starts a Scala Nanobot that responds to pings for this participant
  2. it provides a ping method that sends a ping to the given (target) party

Parameters:

Annotations
@SuppressWarnings()
Ordering
  1. Alphabetic
  2. By Inheritance
Inherited
  1. PingService
  2. Spanning
  3. HasCloseContext
  4. PromiseUnlessShutdownFactory
  5. FlagCloseable
  6. PerformUnlessClosing
  7. HasSynchronizeWithReaders
  8. OnShutdownRunner
  9. HasRunOnClosing
  10. HasUnlessClosing
  11. AdminWorkflowService
  12. AutoCloseable
  13. NamedLogging
  14. Impl
  15. AnyRef
  16. Any
  1. Hide All
  2. Show All
Visibility
  1. Public
  2. Protected

Instance Constructors

  1. new PingService(connection: LedgerClient, adminPartyId: PartyId, maxLevelSupported: NonNegativeInt, retries: Boolean, maxBongDuration: NonNegativeFiniteDuration, pingResponseTimeout: NonNegativeFiniteDuration, timeouts: ProcessingTimeout, pingDeduplicationDuration: NonNegativeFiniteDuration, tracer: Tracer, syncService: SyncServiceHandle, futureSupervisor: FutureSupervisor, loggerFactory: NamedLoggerFactory, clock: Clock)(implicit ec: ExecutionContext)

    adminPartyId

    PartyId the party on whose behalf to send/respond to pings

    maxLevelSupported

    Long the maximum level we will participate in "Explode / Collapse" Pings

    loggerFactory

    NamedLogger logger

    clock

    Clock clock for regular garbage collection of duplicates and merges

Value Members

  1. final def !=(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  2. final def ##: Int
    Definition Classes
    AnyRef → Any
  3. final def ==(arg0: Any): Boolean
    Definition Classes
    AnyRef → Any
  4. def addReader(reader: String)(implicit traceContext: TraceContext): UnlessShutdown[ReaderHandle]

    TODO(#16601) Make this method private once PerformUnlessClosing doesn't need it any more

    TODO(#16601) Make this method private once PerformUnlessClosing doesn't need it any more

    Attributes
    protected[this]
    Definition Classes
    HasSynchronizeWithReaders
  5. val adminPartyId: PartyId
    Attributes
    protected
    Definition Classes
    PingService → Impl
  6. final def asInstanceOf[T0]: T0
    Definition Classes
    Any
  7. val clock: Clock
    Attributes
    protected
    Definition Classes
    PingService → Impl
  8. def clone(): AnyRef
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.CloneNotSupportedException]) @IntrinsicCandidate() @native()
  9. final def close(): Unit

    Blocks until all earlier tasks have completed and then prevents further tasks from being run.

    Blocks until all earlier tasks have completed and then prevents further tasks from being run.

    Definition Classes
    FlagCloseableOnShutdownRunner → AutoCloseable
  10. implicit val closeContext: CloseContext
    Definition Classes
    HasCloseContext
  11. def closingTimeout: FiniteDuration
    Attributes
    protected
    Definition Classes
    FlagCloseablePerformUnlessClosing
  12. implicit val ec: ExecutionContext
    Definition Classes
    PingService → Impl
  13. final def eq(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  14. def equals(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef → Any
  15. implicit def errorLoggingContext(implicit traceContext: TraceContext): ErrorLoggingContext
    Attributes
    protected
    Definition Classes
    NamedLogging
  16. val futureSupervisor: FutureSupervisor
    Attributes
    protected
    Definition Classes
    PingService → Impl
  17. final def getClass(): Class[_ <: AnyRef]
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  18. def handleCommandResult(operation: String)(result: CommandResult)(implicit traceContext: TraceContext): Either[String, Unit]
    Attributes
    protected
    Definition Classes
    AdminWorkflowService
  19. def hashCode(): Int
    Definition Classes
    AnyRef → Any
    Annotations
    @IntrinsicCandidate() @native()
  20. def isActive: Boolean
    Attributes
    protected
    Definition Classes
    PingService → Impl
  21. def isClosing: Boolean

    Check whether we're closing.

    Check whether we're closing. Susceptible to race conditions; unless you're using this as a flag to the retry lib or you really know what you're doing, prefer performUnlessClosing and friends.

    Definition Classes
    OnShutdownRunnerHasUnlessClosing
  22. final def isInstanceOf[T0]: Boolean
    Definition Classes
    Any
  23. def keepTrackOfReaderCallStack: Boolean

    Set this to true to get detailed information about all futures that did not complete during shutdown.

    Set this to true to get detailed information about all futures that did not complete during shutdown.

    Attributes
    protected[this]
    Definition Classes
    PerformUnlessClosingHasSynchronizeWithReaders
  24. def logger: TracedLogger
    Attributes
    protected
    Definition Classes
    NamedLogging
  25. val loggerFactory: NamedLoggerFactory
    Attributes
    protected
    Definition Classes
    PingServiceNamedLogging
  26. val maxBongDuration: NonNegativeFiniteDuration
    Attributes
    protected
    Definition Classes
    PingService → Impl
  27. val maxLevelSupported: NonNegativeInt
    Attributes
    protected
    Definition Classes
    PingService → Impl
  28. def maxSleepMillis: Long

    How often to poll to check that all tasks have completed.

    How often to poll to check that all tasks have completed.

    Attributes
    protected
    Definition Classes
    PerformUnlessClosing
  29. def mkPromise[A](description: String, futureSupervisor: FutureSupervisor, logAfter: Duration = 10.seconds, logLevel: Level = Level.DEBUG)(implicit elc: ErrorLoggingContext): PromiseUnlessShutdown[A]

    Use this method to create a PromiseUnlessShutdown that will automatically be cancelled when the close context is closed.

    Use this method to create a PromiseUnlessShutdown that will automatically be cancelled when the close context is closed. This allows proper clean up of stray promises when the node is transitioning to a passive state.

    Note: you should *not* invoke success on the returned promise but rather use trySuccess. The reason is that the call to success may fail in case of shutdown.

    Definition Classes
    PromiseUnlessShutdownFactory
  30. def nameInternal: String
    Attributes
    protected[this]
    Definition Classes
    PerformUnlessClosingHasSynchronizeWithReaders
  31. implicit def namedLoggingContext(implicit traceContext: TraceContext): NamedLoggingContext
    Attributes
    protected
    Definition Classes
    NamedLogging
  32. final def ne(arg0: AnyRef): Boolean
    Definition Classes
    AnyRef
  33. def noTracingLogger: Logger
    Attributes
    protected
    Definition Classes
    NamedLogging
  34. final def notify(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  35. final def notifyAll(): Unit
    Definition Classes
    AnyRef
    Annotations
    @IntrinsicCandidate() @native()
  36. def onCloseFailure(e: Throwable): Unit
    Attributes
    protected
    Definition Classes
    PerformUnlessClosing
  37. def onClosed(): Unit
    Definition Classes
    PingServicePerformUnlessClosing
  38. final def onFirstClose(): Unit

    Blocks until all earlier tasks have completed and then prevents further tasks from being run.

    Blocks until all earlier tasks have completed and then prevents further tasks from being run.

    Definition Classes
    PerformUnlessClosingOnShutdownRunner
    Annotations
    @SuppressWarnings()
  39. def performUnlessClosing[A](name: String)(f: => A)(implicit traceContext: TraceContext): UnlessShutdown[A]

    Performs the task given by f unless a shutdown has been initiated.

    Performs the task given by f unless a shutdown has been initiated. The shutdown will only begin after f completes, but other tasks may execute concurrently with f, if started using this function, or one of the other variants (performUnlessClosingF and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.

    DO NOT CALL this.close as part of f, because it will result in a deadlock. DO NOT PUT retries, especially indefinite ones, inside f.

    f

    The task to perform

    returns

    scala.None$ if a shutdown has been initiated. Otherwise the result of the task.

    Definition Classes
    PerformUnlessClosing
  40. def performUnlessClosingCheckedT[A, N, R](name: String, onClosing: => Checked[A, N, R])(etf: => CheckedT[Future, A, N, R])(implicit ec: ExecutionContext, traceContext: TraceContext): CheckedT[Future, A, N, R]
    Definition Classes
    PerformUnlessClosing
  41. def performUnlessClosingCheckedUST[A, N, R](name: String, onClosing: => Checked[A, N, R])(etf: => CheckedT[FutureUnlessShutdown, A, N, R])(implicit ec: ExecutionContext, traceContext: TraceContext): CheckedT[FutureUnlessShutdown, A, N, R]
    Definition Classes
    PerformUnlessClosing
  42. def performUnlessClosingEitherT[E, R](name: String, onClosing: => E)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[Future, E, R]

    Performs the EitherT[Future] given by etf unless a shutdown has been initiated, in which case the provided error is returned instead.

    Performs the EitherT[Future] given by etf unless a shutdown has been initiated, in which case the provided error is returned instead. Both etf and the error are lazy; etf is only evaluated if there is no shutdown, the error only if we're shutting down. The shutdown will only begin after etf completes, but other tasks may execute concurrently with etf, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingF). The tasks are assumed to take less than closingTimeout to complete.

    DO NOT CALL this.close as part of etf, because it will result in a deadlock. DO NOT PUT retries, especially indefinite ones, inside f.

    etf

    The task to perform

    Definition Classes
    PerformUnlessClosing
  43. def performUnlessClosingEitherU[E, R](name: String)(etf: => EitherT[Future, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[FutureUnlessShutdown, E, R]
    Definition Classes
    PerformUnlessClosing
  44. def performUnlessClosingEitherUSF[E, R](name: String)(etf: => EitherT[FutureUnlessShutdown, E, R])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[FutureUnlessShutdown, E, R]
    Definition Classes
    PerformUnlessClosing
  45. def performUnlessClosingEitherUSFAsync[E, R](name: String)(etf: => EitherT[FutureUnlessShutdown, E, R])(asyncResultToWaitForF: (R) => FutureUnlessShutdown[_])(implicit ec: ExecutionContext, traceContext: TraceContext): EitherT[FutureUnlessShutdown, E, R]

    Use this method if closing/shutdown of the object should wait for asynchronous computation to finish too.

    Use this method if closing/shutdown of the object should wait for asynchronous computation to finish too.

    etf

    closing of this object will wait for all such spawned Futures to finish

    asyncResultToWaitForF

    closing of this object will wait also wait for all such asynchronous Futures to finish too

    returns

    the future spawned by etf

    Definition Classes
    PerformUnlessClosing
  46. def performUnlessClosingF[A](name: String)(f: => Future[A])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]

    Performs the Future given by f unless a shutdown has been initiated.

    Performs the Future given by f unless a shutdown has been initiated. The future is lazy and not evaluated during shutdown. The shutdown will only begin after f completes, but other tasks may execute concurrently with f, if started using this function, or one of the other variants (performUnlessClosing and performUnlessClosingEitherT). The tasks are assumed to take less than closingTimeout to complete.

    DO NOT CALL this.close as part of f, because it will result in a deadlock. DO NOT PUT retries, especially indefinite ones, inside f.

    f

    The task to perform

    returns

    The future completes with com.digitalasset.canton.lifecycle.UnlessShutdown.AbortedDueToShutdown if a shutdown has been initiated. Otherwise the result of the task wrapped in com.digitalasset.canton.lifecycle.UnlessShutdown.Outcome.

    Definition Classes
    PerformUnlessClosing
  47. def performUnlessClosingOptionUSF[R](name: String)(otf: => OptionT[FutureUnlessShutdown, R])(implicit ec: ExecutionContext, traceContext: TraceContext): OptionT[FutureUnlessShutdown, R]
    Definition Classes
    PerformUnlessClosing
  48. def performUnlessClosingUSF[A](name: String)(f: => FutureUnlessShutdown[A])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]
    Definition Classes
    PerformUnlessClosing
  49. def performUnlessClosingUSFAsync[A](name: String)(f: => FutureUnlessShutdown[A])(asyncResultToWaitForF: (A) => FutureUnlessShutdown[_])(implicit ec: ExecutionContext, traceContext: TraceContext): FutureUnlessShutdown[A]

    Use this method if closing/shutdown of the object should wait for asynchronous computation to finish too.

    Use this method if closing/shutdown of the object should wait for asynchronous computation to finish too.

    f

    closing of this object will wait for all such spawned Futures to finish

    asyncResultToWaitForF

    closing of this object will wait also wait for all such asynchronous Futures to finish too

    returns

    the future spawned by f

    Definition Classes
    PerformUnlessClosing
  50. def ping(targetParties: Set[PartyId], validators: Set[PartyId], timeout: NonNegativeFiniteDuration, maxLevel: NonNegativeInt = NonNegativeInt.tryCreate(0), synchronizerId: Option[SynchronizerId] = None, workflowId: Option[ledger.api.refinements.ApiTypes.WorkflowId] = None, id: String = UUID.randomUUID().toString)(implicit traceContext: TraceContext): Future[Result]

    Send a ping to the target party, return round-trip time or a timeout

    Send a ping to the target party, return round-trip time or a timeout

    targetParties

    String the parties to send ping to

    validators

    additional validators (signatories) of the contracts

    timeout

    how long to wait for pong

    synchronizerId

    the synchronizer to send the ping to

    Definition Classes
    Impl
  51. val pingDeduplicationDuration: NonNegativeFiniteDuration
    Attributes
    protected
    Definition Classes
    PingService → Impl
  52. val pingResponseTimeout: NonNegativeFiniteDuration
    Attributes
    protected
    Definition Classes
    PingService → Impl
  53. def remainingReaders(): Seq[String]
    Attributes
    protected[this]
    Definition Classes
    HasSynchronizeWithReaders
  54. def removeReader(handle: ReaderHandle): Unit

    TODO(#16601) Make this method private once PerformUnlessClosing doesn't need it any more

    TODO(#16601) Make this method private once PerformUnlessClosing doesn't need it any more

    Attributes
    protected[this]
    Definition Classes
    HasSynchronizeWithReaders
  55. def runOnClose(task: RunOnClosing): UnlessShutdown[LifeCycleRegistrationHandle]

    Schedules the given task to be run upon closing.

    Schedules the given task to be run upon closing.

    returns

    An com.digitalasset.canton.lifecycle.UnlessShutdown.Outcome indicates that the task will have been run when the LifeCycleManager's closeAsync method completes or when AutoCloseable's close method returns, unless the returned LifeCycleRegistrationHandle was used to cancel the task or the task has been done beforehand. com.digitalasset.canton.lifecycle.UnlessShutdown.AbortedDueToShutdown if the task is not run due to closing. This always happens if isClosing returns true.

    Definition Classes
    OnShutdownRunnerHasRunOnClosing
  56. def runOnOrAfterClose(task: RunOnClosing)(implicit traceContext: TraceContext): LifeCycleRegistrationHandle

    Register a task to run when closing is initiated, or run it immediately if closing is already ongoing.

    Register a task to run when closing is initiated, or run it immediately if closing is already ongoing. Unlike runOnClose, this method does not guarantee that this task will have run by the time the LifeCycleManager's closeAsync method completes or AutoCloseable's close returns. This is because the task is run immediately if the component has already been closed.

    Definition Classes
    HasRunOnClosing
  57. final def runOnOrAfterClose_(task: RunOnClosing)(implicit traceContext: TraceContext): Unit

    Variant of runOnOrAfterClose that does not return a com.digitalasset.canton.lifecycle.LifeCycleRegistrationHandle.

  58. def runTaskUnlessDone(task: RunOnClosing)(implicit traceContext: TraceContext): Unit
    Attributes
    protected[this]
    Definition Classes
    OnShutdownRunnerHasRunOnClosing
  59. def submitInBackground(id: String, action: String, cmds: Seq[Command], workflowId: ledger.api.refinements.ApiTypes.WorkflowId, flag: AtomicBoolean, expire: CantonTimestamp)(implicit traceContext: TraceContext): Unit
    Attributes
    protected
    Definition Classes
    Impl
  60. def submitRetryingOnErrors(id: String, action: String, cmds: Seq[Command], synchronizerId: Option[SynchronizerId], workflowId: Option[ledger.api.refinements.ApiTypes.WorkflowId], deduplicationDuration: NonNegativeFiniteDuration, timeout: NonNegativeFiniteDuration)(implicit traceContext: TraceContext): Future[CommandResult]
    Attributes
    protected
    Definition Classes
    PingService → Impl
  61. def superviseBackgroundSubmission(description: String, timeout: NonNegativeFiniteDuration, submission: Future[CommandResult])(implicit traceContext: TraceContext): Unit
    Attributes
    protected
    Definition Classes
    Impl
  62. def synchronizeWithClosingPatience: FiniteDuration
    Attributes
    protected[this]
    Definition Classes
    PerformUnlessClosingHasSynchronizeWithReaders
  63. def synchronizeWithReaders()(implicit traceContext: TraceContext): Boolean
    Attributes
    protected[this]
    Definition Classes
    HasSynchronizeWithReaders
  64. final def synchronized[T0](arg0: => T0): T0
    Definition Classes
    AnyRef
  65. val timeouts: ProcessingTimeout
    Attributes
    protected
    Definition Classes
    PingServiceFlagCloseable
  66. def toString(): String
    Definition Classes
    AnyRef → Any
  67. implicit val tracer: Tracer
    Attributes
    protected
    Definition Classes
    PingService → Impl
  68. final def unlessClosing[F[_], A](fa: => F[A])(implicit F: CanAbortDueToShutdown[F]): F[A]

    Runs the computation fa unless isClosing returns true.

    Runs the computation fa unless isClosing returns true.

    This method does not delay the closing while fa is running, unlike the methods in HasSynchronizeWithClosing. Accordingly, this method is useful for intermittent checks whether the result of the computation is still relevant.

    returns

    The result of fa or com.digitalasset.canton.lifecycle.UnlessShutdown.AbortedDueToShutdown if isClosing is true

    Definition Classes
    HasUnlessClosing
    Annotations
    @inline()
  69. def vacuumStaleContracts(synchronizerId: SynchronizerId)(implicit traceContext: TraceContext): Unit
    Attributes
    protected
    Definition Classes
    Impl
  70. final def wait(arg0: Long, arg1: Int): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  71. final def wait(arg0: Long): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException]) @native()
  72. final def wait(): Unit
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.InterruptedException])
  73. def withNewTrace[A](description: String)(f: (TraceContext) => (SpanWrapper) => A)(implicit tracer: Tracer): A
    Attributes
    protected
    Definition Classes
    Spanning
  74. def withReader[F[_], A](name: String)(f: => F[A])(implicit traceContext: TraceContext, F: Thereafter[F]): UnlessShutdown[F[A]]
    Attributes
    protected[this]
    Definition Classes
    HasSynchronizeWithReaders
  75. def withSpan[A](description: String)(f: (TraceContext) => (SpanWrapper) => A)(implicit traceContext: TraceContext, tracer: Tracer): A
    Attributes
    protected
    Definition Classes
    Spanning
  76. def withSpanFromGrpcContext[A](description: String)(f: (TraceContext) => (SpanWrapper) => A)(implicit tracer: Tracer): A
    Attributes
    protected
    Definition Classes
    Spanning

Deprecated Value Members

  1. def finalize(): Unit
    Attributes
    protected[lang]
    Definition Classes
    AnyRef
    Annotations
    @throws(classOf[java.lang.Throwable]) @Deprecated
    Deprecated

    (Since version 9)

Inherited from Spanning

Inherited from HasCloseContext

Inherited from FlagCloseable

Inherited from PerformUnlessClosing

Inherited from OnShutdownRunner

Inherited from HasRunOnClosing

Inherited from HasUnlessClosing

Inherited from AdminWorkflowService

Inherited from AutoCloseable

Inherited from NamedLogging

Inherited from Impl

Inherited from AnyRef

Inherited from Any

Ungrouped