206 lines
6.6 KiB
Nim
206 lines
6.6 KiB
Nim
# Nimbus
|
|
# Copyright (c) 2023-2024 Status Research & Development GmbH
|
|
# Licensed and distributed under either of
|
|
# * MIT license (license terms in the root directory or at
|
|
# https://opensource.org/licenses/MIT).
|
|
# * Apache v2 license (license terms in the root directory or at
|
|
# https://www.apache.org/licenses/LICENSE-2.0).
|
|
# at your option. This file may not be copied, modified, or distributed
|
|
# except according to those terms.
|
|
|
|
{.push raises: [].}
|
|
|
|
import
|
|
chronicles,
|
|
chronos,
|
|
chronos/timer,
|
|
eth/p2p,
|
|
".."/[protocol, sync_desc],
|
|
./worker_desc,
|
|
./skeleton_main,
|
|
./beacon_impl
|
|
|
|
logScope:
|
|
topics = "beacon-buddy"
|
|
|
|
const extraTraceMessages = false
|
|
# or true
|
|
## Enabled additional logging noise
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# Public start/stop and admin functions
|
|
# ------------------------------------------------------------------------------
|
|
|
|
proc setup*(ctx: BeaconCtxRef): bool =
|
|
## Global set up
|
|
ctx.pool.target.init()
|
|
ctx.pool.mask = HeaderInterval.init()
|
|
ctx.pool.pulled = HeaderInterval.init()
|
|
ctx.pool.skeleton = SkeletonRef.new(ctx.chain)
|
|
let res = ctx.pool.skeleton.open()
|
|
if res.isErr:
|
|
error "Cannot open beacon skeleton", msg = res.error
|
|
return false
|
|
|
|
ctx.pool.mode.incl bmResumeSync
|
|
true
|
|
|
|
proc release*(ctx: BeaconCtxRef) =
|
|
## Global clean up
|
|
discard
|
|
|
|
proc start*(buddy: BeaconBuddyRef): bool =
|
|
## Initialise worker peer
|
|
let
|
|
ctx = buddy.ctx
|
|
peer = buddy.peer
|
|
if peer.supports(protocol.eth) and peer.state(protocol.eth).initialized:
|
|
ctx.daemon = true
|
|
return true
|
|
|
|
proc stop*(buddy: BeaconBuddyRef) =
|
|
## Clean up this peer
|
|
buddy.ctrl.stopped = true
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# Public functions
|
|
# ------------------------------------------------------------------------------
|
|
|
|
proc runDaemon*(ctx: BeaconCtxRef) {.async.} =
|
|
## Global background job that will be re-started as long as the variable
|
|
## `ctx.daemon` is set `true`. If that job was stopped due to re-setting
|
|
## `ctx.daemon` to `false`, it will be restarted next after it was reset
|
|
## as `true` not before there is some activity on the `runPool()`,
|
|
## `runSingle()`, or `runMulti()` functions.
|
|
##
|
|
|
|
debug "RUNDAEMON", id = ctx.pool.id
|
|
|
|
# Just wake up after long sleep (e.g. client terminated)
|
|
if bmResumeSync in ctx.pool.mode:
|
|
discard await ctx.resumeSync()
|
|
ctx.pool.mode.excl bmResumeSync
|
|
|
|
# We get order from engine API
|
|
if ctx.pool.target.len > 0:
|
|
await ctx.setSyncTarget()
|
|
|
|
# Distributing jobs of filling gaps to peers
|
|
let mask = ctx.pool.mask
|
|
for x in mask.decreasing:
|
|
ctx.fillBlocksGaps(x.minPt, x.maxPt)
|
|
|
|
# Tell the `runPool` to grab job for each peer
|
|
if ctx.pool.jobs.len > 0:
|
|
ctx.poolMode = true
|
|
|
|
# Rerun this function next iteration
|
|
# if there are more new sync target
|
|
ctx.daemon = ctx.pool.target.len > 0
|
|
|
|
# Without waiting, this function repeats every 50ms (as set with the constant
|
|
# `sync_sched.execLoopTimeElapsedMin`.) Larger waiting time cleans up logging.
|
|
var sleepDuration = timer.milliseconds(300)
|
|
if ctx.pool.jobs.len == 0 and ctx.pool.target.len == 0:
|
|
sleepDuration = timer.seconds(5)
|
|
|
|
await sleepAsync sleepDuration
|
|
|
|
proc runSingle*(buddy: BeaconBuddyRef) {.async.} =
|
|
## This peer worker is invoked if the peer-local flag `buddy.ctrl.multiOk`
|
|
## is set `false` which is the default mode. This flag is updated by the
|
|
## worker when deemed appropriate.
|
|
## * For all workers, there can be only one `runSingle()` function active
|
|
## simultaneously for all worker peers.
|
|
## * There will be no `runMulti()` function active for the same worker peer
|
|
## simultaneously
|
|
## * There will be no `runPool()` iterator active simultaneously.
|
|
##
|
|
## Note that this function runs in `async` mode.
|
|
##
|
|
let ctx = buddy.ctx
|
|
|
|
debug "RUNSINGLE", id = ctx.pool.id
|
|
|
|
if buddy.ctrl.stopped:
|
|
when extraTraceMessages:
|
|
trace "Single mode stopped", peer, pivotState = ctx.pool.pivotState
|
|
return # done with this buddy
|
|
|
|
var napping = timer.seconds(2)
|
|
when extraTraceMessages:
|
|
trace "Single mode end", peer, napping
|
|
|
|
# Without waiting, this function repeats every 50ms (as set with the constant
|
|
# `sync_sched.execLoopTimeElapsedMin`.)
|
|
await sleepAsync napping
|
|
|
|
# request new jobs, if available
|
|
if ctx.pool.jobs.len == 0:
|
|
ctx.daemon = true
|
|
|
|
proc runPool*(buddy: BeaconBuddyRef, last: bool, laps: int): bool =
|
|
## Once started, the function `runPool()` is called for all worker peers in
|
|
## sequence as the body of an iteration as long as the function returns
|
|
## `false`. There will be no other worker peer functions activated
|
|
## simultaneously.
|
|
##
|
|
## This procedure is started if the global flag `buddy.ctx.poolMode` is set
|
|
## `true` (default is `false`.) It will be automatically reset before the
|
|
## the loop starts. Re-setting it again results in repeating the loop. The
|
|
## argument `lap` (starting with `0`) indicated the currend lap of the
|
|
## repeated loops.
|
|
##
|
|
## The argument `last` is set `true` if the last entry is reached.
|
|
##
|
|
## Note that this function does not run in `async` mode.
|
|
##
|
|
let ctx = buddy.ctx
|
|
|
|
debug "RUNPOOL", id = ctx.pool.id
|
|
|
|
# If a peer cannot finish it's job,
|
|
# we will put it back into circulation.
|
|
# A peer can also spawn more jobs.
|
|
if buddy.only.requeue.len > 0:
|
|
for job in buddy.only.requeue:
|
|
ctx.pool.jobs.addLast(job)
|
|
buddy.only.requeue.setLen(0)
|
|
buddy.only.job = nil
|
|
|
|
# Take distributed jobs for each peer
|
|
if ctx.pool.jobs.len > 0 and buddy.only.job.isNil:
|
|
buddy.only.job = ctx.pool.jobs.popFirst()
|
|
buddy.ctrl.multiOk = true
|
|
|
|
# If there is no more jobs, stop
|
|
ctx.pool.jobs.len == 0
|
|
|
|
proc runMulti*(buddy: BeaconBuddyRef) {.async.} =
|
|
## This peer worker is invoked if the `buddy.ctrl.multiOk` flag is set
|
|
## `true` which is typically done after finishing `runSingle()`. This
|
|
## instance can be simultaneously active for all peer workers.
|
|
##
|
|
let ctx = buddy.ctx
|
|
|
|
debug "RUNMULTI", id = ctx.pool.id
|
|
|
|
# If each of peers get their job,
|
|
# execute it until failure or success
|
|
# It is also possible to spawn more jobs
|
|
if buddy.only.job.isNil.not:
|
|
await buddy.executeJob(buddy.only.job)
|
|
|
|
# Update persistent database
|
|
#while not buddy.ctrl.stopped:
|
|
# Allow thread switch as `persistBlocks()` might be slow
|
|
await sleepAsync timer.milliseconds(10)
|
|
|
|
# request new jobs, if available
|
|
if ctx.pool.jobs.len == 0:
|
|
ctx.daemon = true
|
|
|
|
# ------------------------------------------------------------------------------
|
|
# End
|
|
# ------------------------------------------------------------------------------
|