mirror of https://github.com/status-im/nim-eth.git
53 lines
1.7 KiB
Nim
53 lines
1.7 KiB
Nim
# Copyright (c) 2019-2020 Status Research & Development GmbH
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# Licensed under either of
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# * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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# * MIT license ([LICENSE-MIT](LICENSE-MIT))
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# at your option.
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# This file may not be copied, modified, or distributed except according to
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# those terms.
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import nimcrypto/hash, hashes, stew/byteutils, eth_types, metrics, os
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when defined(posix):
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import posix
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export metrics
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proc hash*(d: MDigest): Hash {.inline.} = hash(d.data)
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proc parseAddress*(hexString: string): EthAddress =
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hexToPaddedByteArray[20](hexString)
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proc `$`*(a: EthAddress): string =
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a.toHex()
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# Block all/most signals in the current thread, so we don't interfere with regular signal
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# handling elsewhere.
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proc ignoreSignalsInThread*() =
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when defined(posix):
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var signalMask, oldSignalMask: Sigset
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# sigprocmask() doesn't work on macOS, for multithreaded programs
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if sigfillset(signalMask) != 0:
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echo osErrorMsg(osLastError())
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quit(QuitFailure)
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when defined(boehmgc):
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# Turns out Boehm GC needs some signals to deal with threads:
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# https://www.hboehm.info/gc/debugging.html
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const
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SIGPWR = 30
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SIGXCPU = 24
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SIGSEGV = 11
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SIGBUS = 7
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if sigdelset(signalMask, SIGPWR) != 0 or
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sigdelset(signalMask, SIGXCPU) != 0 or
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sigdelset(signalMask, SIGSEGV) != 0 or
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sigdelset(signalMask, SIGBUS) != 0:
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echo osErrorMsg(osLastError())
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quit(QuitFailure)
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if pthread_sigmask(SIG_BLOCK, signalMask, oldSignalMask) != 0:
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echo osErrorMsg(osLastError())
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quit(QuitFailure)
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declarePublicGauge connected_peers, "number of peers in the pool"
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