nim-codex/dagger.nim

78 lines
2.1 KiB
Nim

## Nim-Dagger
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import pkg/chronicles
import pkg/chronos
import pkg/confutils
import pkg/libp2p
import ./dagger/conf
import ./dagger/dagger
export dagger, conf, libp2p, chronos, chronicles
when isMainModule:
import std/os
import pkg/confutils/defs
import ./dagger/utils/fileutils
when defined(posix):
import system/ansi_c
let
config = DaggerConf.load()
case config.cmd:
of StartUpCommand.noCommand:
if not(checkAndCreateDataDir((config.dataDir).string)):
# We are unable to access/create data folder or data folder's
# permissions are insecure.
quit QuitFailure
trace "Data dir initialized", dir = config.dataDir
if not(checkAndCreateDataDir((config.dataDir / "repo").string)):
# We are unable to access/create data folder or data folder's
# permissions are insecure.
quit QuitFailure
trace "Repo dir initialized", dir = config.dataDir / "repo"
let server = DaggerServer.new(config)
## Ctrl+C handling
proc controlCHandler() {.noconv.} =
when defined(windows):
# workaround for https://github.com/nim-lang/Nim/issues/4057
try:
setupForeignThreadGc()
except Exception as exc: raiseAssert exc.msg # shouldn't happen
notice "Shutting down after having received SIGINT"
waitFor server.shutdown()
try:
setControlCHook(controlCHandler)
except Exception as exc: # TODO Exception
warn "Cannot set ctrl-c handler", msg = exc.msg
# equivalent SIGTERM handler
when defined(posix):
proc SIGTERMHandler(signal: cint) {.noconv.} =
notice "Shutting down after having received SIGTERM"
waitFor server.shutdown()
c_signal(SIGTERM, SIGTERMHandler)
waitFor server.run()
of StartUpCommand.initNode:
discard