mirror of https://github.com/vacp2p/nim-libp2p.git
49 lines
1.6 KiB
Nim
49 lines
1.6 KiB
Nim
# this module will be further extended in PR
|
|
# https://github.com/status-im/nim-libp2p/pull/107/
|
|
|
|
import chronos
|
|
import chronicles
|
|
import macros
|
|
|
|
type
|
|
# Base exception type for libp2p
|
|
LPError* = object of CatchableError
|
|
|
|
func toException*(e: cstring): ref LPError =
|
|
(ref LPError)(msg: $e)
|
|
|
|
func toException*(e: string): ref LPError =
|
|
(ref LPError)(msg: e)
|
|
|
|
# TODO: could not figure how to make it with a simple template
|
|
# sadly nim needs more love for hygienic templates
|
|
# so here goes the macro, its based on the proc/template version
|
|
# and uses quote do so it's quite readable
|
|
# TODO https://github.com/nim-lang/Nim/issues/22936
|
|
macro checkFutures*[F](futs: seq[F], exclude: untyped = []): untyped =
|
|
let nexclude = exclude.len
|
|
case nexclude
|
|
of 0:
|
|
quote:
|
|
for res in `futs`:
|
|
if res.failed:
|
|
let exc = res.readError()
|
|
# We still don't abort but warn
|
|
debug "A future has failed, enable trace logging for details",
|
|
error = exc.name
|
|
trace "Exception message", msg = exc.msg, stack = getStackTrace()
|
|
else:
|
|
quote:
|
|
for res in `futs`:
|
|
block check:
|
|
if res.failed:
|
|
let exc = res.readError()
|
|
for i in 0 ..< `nexclude`:
|
|
if exc of `exclude`[i]:
|
|
trace "A future has failed", error = exc.name, msg = exc.msg
|
|
break check
|
|
# We still don't abort but warn
|
|
debug "A future has failed, enable trace logging for details",
|
|
error = exc.name
|
|
trace "Exception details", msg = exc.msg
|