mirror of
https://github.com/vacp2p/nim-libp2p.git
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a52763cc6d
* use var semantics to optimize table access * wip... lvalues don't work properly sadly... * big publish refactor, replenish and balance * fix internal tests * use g.peers for fanout (todo: don't include flood peers) * exclude non gossip from fanout * internal test fixes * fix flood tests * fix test's trypublish * test interop fixes * make sure to not remove peers from gossip table * restore old replenishFanout * cleanups * Cleanup resources (#246) * consolidate reading in lpstream * remove debug echo * tune log level * add channel cleanup and cancelation handling * cancelation handling * cancelation handling * cancelation handling * cancelation handling * cleanup and cancelation handling * cancelation handling * cancelation * tests * rename isConnected to connected * remove testing trace * comment out debug stacktraces * explicit raises * restore trace vs debug in gossip * improve fanout replenish behavior further * cleanup stale peers more eaguerly * synchronize connection cleanup and small refactor * close client first and call parent second * disconnect failed peers on publish * check for publish result * fix tests * fix tests * always call close Co-authored-by: Giovanni Petrantoni <giovanni@fragcolor.xyz>
66 lines
2.0 KiB
Nim
66 lines
2.0 KiB
Nim
# this module will be further extended in PR
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# https://github.com/status-im/nim-libp2p/pull/107/
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import chronos
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import chronicles
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import macros
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# could not figure how to make it with a simple template
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# sadly nim needs more love for hygenic templates
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# so here goes the macro, its based on the proc/template version
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# and uses quote do so it's quite readable
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macro checkFutures*[T](futs: seq[Future[T]], exclude: untyped = []): untyped =
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let nexclude = exclude.len
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case nexclude
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of 0:
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quote do:
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for res in `futs`:
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if res.failed:
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let exc = res.readError()
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# We still don't abort but warn
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warn "A future has failed, enable trace logging for details", error=exc.name
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trace "Exception message", msg=exc.msg
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else:
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quote do:
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for res in `futs`:
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block check:
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if res.failed:
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let exc = res.readError()
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for i in 0..<`nexclude`:
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if exc of `exclude`[i]:
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trace "A future has failed", error=exc.name, msg=exc.msg
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break check
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# We still don't abort but warn
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warn "A future has failed, enable trace logging for details", error=exc.name
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trace "Exception details", msg=exc.msg
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proc allFuturesThrowing*[T](args: varargs[Future[T]]): Future[void] =
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var futs: seq[Future[T]]
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for fut in args:
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futs &= fut
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proc call() {.async.} =
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var first: ref Exception = nil
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futs = await allFinished(futs)
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for fut in futs:
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if fut.failed:
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let err = fut.readError()
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if err of Defect:
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raise err
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else:
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if isNil(first):
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first = err
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if not isNil(first):
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raise first
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return call()
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template tryAndWarn*(message: static[string]; body: untyped): untyped =
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try:
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body
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except CancelledError as exc:
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raise exc
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except CatchableError as exc:
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warn "An exception has ocurred, enable trace logging for details", name = exc.name, msg = message
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trace "Exception details", exc = exc.msg
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