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30 lines
828 B
Nim
30 lines
828 B
Nim
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when (NimMajor, NimMinor) < (1, 4):
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{.push raises: [Defect].}
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else:
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{.push raises: [].}
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import sequtils
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import chronos, chronicles
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# Taken from: https://github.com/status-im/nim-libp2p/blob/master/libp2p/utils/heartbeat.nim
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template heartbeat*(name: string, interval: Duration, body: untyped): untyped =
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var nextHeartbeat = Moment.now()
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while true:
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body
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nextHeartbeat += interval
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let now = Moment.now()
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if nextHeartbeat < now:
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let
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delay = now - nextHeartbeat
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itv = interval
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if delay > itv:
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info "Missed multiple heartbeats", heartbeat = name,
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delay = delay, hinterval = itv
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else:
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debug "Missed heartbeat", heartbeat = name,
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delay = delay, hinterval = itv
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nextHeartbeat = now + itv
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await sleepAsync(nextHeartbeat - now)
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