mirror of https://github.com/waku-org/nwaku.git
88 lines
2.3 KiB
Nim
88 lines
2.3 KiB
Nim
{.push raises: [].}
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import std/[options], chronos
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import waku_node, ../waku_rln_relay
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type
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HealthStatus* = enum
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INITIALIZING
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SYNCHRONIZING
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READY
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NOT_READY
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NOT_MOUNTED
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SHUTTING_DOWN
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ProtocolHealth* = object
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protocol*: string
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health*: HealthStatus
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HealthReport* = object
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nodeHealth*: HealthStatus
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protocolsHealth*: seq[ProtocolHealth]
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WakuNodeHealthMonitor* = ref object
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nodeHealth: HealthStatus
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node: Option[WakuNode]
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proc `$`*(t: HealthStatus): string =
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result =
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case t
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of INITIALIZING: "Initializing"
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of SYNCHRONIZING: "Synchronizing"
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of READY: "Ready"
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of NOT_READY: "Not Ready"
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of NOT_MOUNTED: "Not Mounted"
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of SHUTTING_DOWN: "Shutting Down"
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proc init*(
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t: typedesc[HealthStatus], strRep: string
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): HealthStatus {.raises: [ValueError].} =
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case strRep
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of "Initializing":
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return HealthStatus.INITIALIZING
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of "Synchronizing":
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return HealthStatus.SYNCHRONIZING
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of "Ready":
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return HealthStatus.READY
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of "Not Ready":
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return HealthStatus.NOT_READY
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of "Not Mounted":
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return HealthStatus.NOT_MOUNTED
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of "Shutting Down":
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return HealthStatus.SHUTTING_DOWN
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else:
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raise newException(ValueError, "Invalid HealthStatus string representation")
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const FutIsReadyTimout = 5.seconds
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proc getNodeHealthReport*(hm: WakuNodeHealthMonitor): Future[HealthReport] {.async.} =
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result.nodeHealth = hm.nodeHealth
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if hm.node.isSome() and hm.node.get().wakuRlnRelay != nil:
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let getRlnRelayHealth = proc(): Future[HealthStatus] {.async.} =
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let isReadyStateFut = hm.node.get().wakuRlnRelay.isReady()
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if not await isReadyStateFut.withTimeout(FutIsReadyTimout):
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return HealthStatus.NOT_READY
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try:
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if not isReadyStateFut.completed():
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return HealthStatus.NOT_READY
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elif isReadyStateFut.read():
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return HealthStatus.READY
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return HealthStatus.SYNCHRONIZING
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except:
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error "exception reading state: " & getCurrentExceptionMsg()
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return HealthStatus.NOT_READY
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result.protocolsHealth.add(
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ProtocolHealth(protocol: "Rln Relay", health: await getRlnRelayHealth())
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)
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proc setNode*(hm: WakuNodeHealthMonitor, node: WakuNode) =
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hm.node = some(node)
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proc setOverallHealth*(hm: WakuNodeHealthMonitor, health: HealthStatus) =
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hm.nodeHealth = health
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