mirror of https://github.com/waku-org/nwaku.git
32 lines
813 B
Nim
32 lines
813 B
Nim
## An extension wrapper around nim-chronos
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{.push raises: [].}
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import chronos, chronicles
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export chronos
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## Extension methods
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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",
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heartbeat = name, delay = delay, hinterval = itv
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else:
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debug "Missed heartbeat", heartbeat = name, delay = delay, hinterval = itv
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nextHeartbeat = now + itv
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await sleepAsync(nextHeartbeat - now)
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