class PingService extends AdminWorkflowService with NamedLogging
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:
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Instance Constructors
- new PingService(connection: LedgerSubmit, adminParty: Party, maxLevelSupported: Long, pingDeduplicationTime: NonNegativeFiniteDuration, isActive: => Boolean, loggerFactory: NamedLoggerFactory, clock: Clock)(implicit ec: ExecutionContext, timeoutScheduler: ScheduledExecutorService)
- adminParty
P.Party 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
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- val loggerFactory: NamedLoggerFactory
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- def ping(targetParties: Set[String], validators: Set[String], timeoutMillis: Long, duplicateGracePeriod: Long = 1000, maxLevel: Long = 0, workflowId: Option[daml.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
- timeoutMillis
Long how long to wait for pong (in milliseconds)
- def processCollapse(contracts: Seq[Contract[Collapse]], workflowId: daml.ledger.api.refinements.ApiTypes.WorkflowId)(implicit traceContext: TraceContext): Unit
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- protected
- def processExplode(explodes: Seq[Contract[Explode]], workflowId: daml.ledger.api.refinements.ApiTypes.WorkflowId)(implicit traceContext: TraceContext): Unit
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- protected
- def processMerge(contracts: Seq[Contract[Merge]])(implicit traceContext: TraceContext): Unit
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- def processProposal(proposals: Seq[Contract[PingProposal]], workflowId: daml.ledger.api.refinements.ApiTypes.WorkflowId)(implicit traceContext: TraceContext): Unit
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