mirror of
https://github.com/logos-messaging/logos-delivery.git
synced 2026-07-20 11:40:02 +00:00
99 lines
3.0 KiB
Nim
99 lines
3.0 KiB
Nim
{.push raises: [].}
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import
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std/[options, strutils, sequtils, net],
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chronicles,
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chronos,
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metrics,
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system/ansi_c,
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libp2p/crypto/crypto
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import
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../../tools/confutils/cli_args,
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logos_delivery/logos_delivery,
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logos_delivery/waku/common/logging
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logScope:
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topics = "logosdeliverynode main"
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const git_version* {.strdefine.} = "n/a"
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{.pop.}
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# @TODO confutils.nim(775, 17) Error: can raise an unlisted exception: ref IOError
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when isMainModule:
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## Node setup happens in 6 phases:
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## 1. Set up storage
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## 2. Initialize node
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## 3. Mount and initialize configured protocols
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## 4. Start node and mounted protocols
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## 5. Start monitoring tools and external interfaces
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## 6. Setup graceful shutdown hooks
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const versionString = "version / git commit hash: " & git_version
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var wakuNodeConf = WakuNodeConf.load(version = versionString).valueOr:
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error "failure while loading the configuration", error = error
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quit(QuitFailure)
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## Also called within LogosDelivery.new. The call to startRestServerEssentials
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## needs the following line
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logging.setupLog(wakuNodeConf.logLevel, wakuNodeConf.logFormat)
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case wakuNodeConf.cmd
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of generateRlnKeystore:
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error "generateRlnKeystore not supported by logos_delivery_node; use wakunode2"
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quit(QuitFailure)
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of noCommand:
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# `LogosDelivery` derives the per-layer config from `WakuNodeConf` itself
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# (it runs `toWakuConf` internally), then builds the full stack bottom-up:
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# Waku <- MessagingClient <- ReliableChannelManager
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var node = (waitFor LogosDelivery.new(wakuNodeConf)).valueOr:
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error "LogosDelivery initialization failed", error = error
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quit(QuitFailure)
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(waitFor node.start()).isOkOr:
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error "Starting LogosDelivery failed", error = error
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quit(QuitFailure)
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info "Setting up shutdown hooks"
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proc asyncStopper(node: LogosDelivery) {.async: (raises: [Exception]).} =
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(await node.stop()).isOkOr:
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error "LogosDelivery shutdown failed", error = error
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quit(QuitSuccess)
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# Handle Ctrl-C SIGINT
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proc handleCtrlC() {.noconv.} =
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when defined(windows):
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# workaround for https://github.com/nim-lang/Nim/issues/4057
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setupForeignThreadGc()
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notice "Shutting down after receiving SIGINT"
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asyncSpawn asyncStopper(node)
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setControlCHook(handleCtrlC)
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# Handle SIGTERM
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when defined(posix):
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proc handleSigterm(signal: cint) {.noconv.} =
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notice "Shutting down after receiving SIGTERM"
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asyncSpawn asyncStopper(node)
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c_signal(ansi_c.SIGTERM, handleSigterm)
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# Handle SIGSEGV
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when defined(posix):
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proc handleSigsegv(signal: cint) {.noconv.} =
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# Require --debugger:native
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fatal "Shutting down after receiving SIGSEGV"
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# Not available in -d:release mode
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writeStackTrace()
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(waitFor node.stop()).isOkOr:
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error "LogosDelivery shutdown failed", error = error
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quit(QuitFailure)
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c_signal(ansi_c.SIGSEGV, handleSigsegv)
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info "Node setup complete"
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runForever()
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