145 lines
3.9 KiB
Nim
145 lines
3.9 KiB
Nim
## Nim-Codex
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## Copyright (c) 2021 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 pkg/chronos
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import pkg/questionable
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import pkg/confutils
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import pkg/confutils/defs
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import pkg/confutils/std/net
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import pkg/confutils/toml/defs as confTomlDefs
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import pkg/confutils/toml/std/net as confTomlNet
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import pkg/confutils/toml/std/uri as confTomlUri
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import pkg/toml_serialization
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import pkg/libp2p
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import ./codex/conf
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import ./codex/codex
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import ./codex/logutils
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import ./codex/units
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import ./codex/utils/keyutils
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export codex, conf, libp2p, chronos, logutils
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when isMainModule:
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import std/sequtils
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import std/os
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import pkg/confutils/defs
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import ./codex/utils/fileutils
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logScope:
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topics = "codex"
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when defined(posix):
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import system/ansi_c
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type
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CodexStatus {.pure.} = enum
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Stopped,
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Stopping,
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Running
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let config = CodexConf.load(
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version = codexFullVersion,
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envVarsPrefix = "codex",
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secondarySources = proc (config: CodexConf, sources: auto) =
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if configFile =? config.configFile:
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sources.addConfigFile(Toml, configFile)
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)
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config.setupLogging()
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config.setupMetrics()
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case config.cmd:
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of StartUpCommand.noCommand:
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if config.nat == ValidIpAddress.init(IPv4_any()):
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error "`--nat` cannot be set to the any (`0.0.0.0`) address"
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quit QuitFailure
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if config.nat == ValidIpAddress.init("127.0.0.1"):
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warn "`--nat` is set to loopback, your node wont properly announce over the DHT"
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if not(checkAndCreateDataDir((config.dataDir).string)):
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# We are unable to access/create data folder or data folder's
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# permissions are insecure.
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quit QuitFailure
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trace "Data dir initialized", dir = $config.dataDir
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if not(checkAndCreateDataDir((config.dataDir / "repo"))):
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# We are unable to access/create data folder or data folder's
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# permissions are insecure.
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quit QuitFailure
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trace "Repo dir initialized", dir = config.dataDir / "repo"
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var
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state: CodexStatus
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pendingFuts: seq[Future[void]]
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let
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keyPath =
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if isAbsolute(config.netPrivKeyFile):
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config.netPrivKeyFile
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else:
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config.dataDir / config.netPrivKeyFile
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privateKey = setupKey(keyPath).expect("Should setup private key!")
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server = CodexServer.new(config, privateKey)
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## Ctrl+C handling
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proc controlCHandler() {.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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try:
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setupForeignThreadGc()
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except Exception as exc: raiseAssert exc.msg # shouldn't happen
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notice "Shutting down after having received SIGINT"
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pendingFuts.add(server.stop())
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state = CodexStatus.Stopping
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notice "Stopping Codex"
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try:
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setControlCHook(controlCHandler)
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except Exception as exc: # TODO Exception
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warn "Cannot set ctrl-c handler", msg = exc.msg
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# equivalent SIGTERM handler
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when defined(posix):
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proc SIGTERMHandler(signal: cint) {.noconv.} =
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notice "Shutting down after having received SIGTERM"
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pendingFuts.add(server.stop())
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state = CodexStatus.Stopping
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notice "Stopping Codex"
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c_signal(ansi_c.SIGTERM, SIGTERMHandler)
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pendingFuts.add(server.start())
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state = CodexStatus.Running
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while state == CodexStatus.Running:
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# poll chronos
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chronos.poll()
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# wait fot futures to finish
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let res = waitFor allFinished(pendingFuts)
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state = CodexStatus.Stopped
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if res.anyIt( it.failed ):
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error "Codex didn't shutdown correctly"
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quit QuitFailure
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notice "Exited codex"
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of StartUpCommand.initNode:
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discard
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