mirror of
https://github.com/status-im/nimbus-eth1.git
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f20f20f962
* Enable `snap/1` accounts range service * Allow to change the garbage collector to `boehm` as a Makefile option. why: There is still an unsolved memory corruption problem that might be related to the standard `gc`. It seemingly goes away if the `gc` is changed to `boehm`. Specifying another `gc` on the make level simplifies debugging and development. * Code cosmetics details: * updated exception annotations * extracted `worker_desc.nim` from `full/worker.nim` * etc. * Implement option to state a sync modifier file why: This allows to specify extra sync type specific options which might change over time. This file is regularly checked for updates. * Implement a threshold when to suspend full syncing why: For a test scenario, a full sync beep may work as a local snap server. There is no need to download the full block chain. details: The file containing the pivot specs is specified by the `--sync-ctrl-file` option. It is regularly parsed for updates.
127 lines
4.1 KiB
Nim
127 lines
4.1 KiB
Nim
# Nimbus
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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) or
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# http://www.apache.org/licenses/LICENSE-2.0)
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# * MIT license ([LICENSE-MIT](LICENSE-MIT) or
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# http://opensource.org/licenses/MIT)
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# at your option. This file may not be copied, modified, or distributed
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# except according to those terms.
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## Worker peers scheduler template
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## ===============================
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##
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## Public descriptors
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import
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#std/options,
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eth/[common, p2p],
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../core/chain,
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../db/db_chain,
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./handlers
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export
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chain,
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db_chain
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{.push raises: [].}
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type
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BuddyRunState* = enum
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Running = 0 ## Running, default state
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Stopped ## Stopped or about stopping
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ZombieStop ## Abandon/ignore (wait for pushed out of LRU table)
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ZombieRun ## Extra zombie state to potentially recover from
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BuddyCtrlRef* = ref object
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## Control and state settings
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runState: BuddyRunState ## Access with getters
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multiOk*: bool ## Triggers `runSingle()` mode unless `true`
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BuddyRef*[S,W] = ref object
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## Worker peer state descriptor.
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ctx*: CtxRef[S] ## Shared data descriptor back reference
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peer*: Peer ## Reference to eth p2pProtocol entry
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ctrl*: BuddyCtrlRef ## Control and state settings
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only*: W ## Worker peer specific data
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CtxRef*[S] = ref object
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## Shared state among all syncing peer workers (aka buddies.)
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buddiesMax*: int ## Max number of buddies
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ethWireCtx*: EthWireRef ## Eth protocol wire context (if available)
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chain*: ChainRef ## Block chain database (no need for `Peer`)
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poolMode*: bool ## Activate `runPool()` workers if set `true`
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daemon*: bool ## Enable global background job
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exCtrlFile*: Option[string] ## Extra instructions file (if any)
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pool*: S ## Shared context for all worker peers
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# ------------------------------------------------------------------------------
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# Public functions
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# ------------------------------------------------------------------------------
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proc `$`*[S,W](worker: BuddyRef[S,W]): string =
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$worker.peer & "$" & $worker.ctrl.runState
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# ------------------------------------------------------------------------------
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# Public getters, `BuddyRunState` execution control functions
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# ------------------------------------------------------------------------------
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proc state*(ctrl: BuddyCtrlRef): BuddyRunState =
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## Getter (logging only, details of `BuddyCtrl` are private)
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ctrl.runState
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proc running*(ctrl: BuddyCtrlRef): bool =
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## Getter, if `true` if `ctrl.state()` is `Running`
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ctrl.runState == Running
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proc stopped*(ctrl: BuddyCtrlRef): bool =
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## Getter, if `true`, if `ctrl.state()` is not `Running`
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ctrl.runState != Running
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proc zombie*(ctrl: BuddyCtrlRef): bool =
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## Getter, `true` if `ctrl.state()` is `Zombie` (i.e. not `running()` and
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## not `stopped()`)
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ctrl.runState in {ZombieStop, ZombieRun}
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# ------------------------------------------------------------------------------
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# Public setters, `BuddyRunState` execution control functions
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# ------------------------------------------------------------------------------
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proc `zombie=`*(ctrl: BuddyCtrlRef; value: bool) =
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## Setter
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if value:
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case ctrl.runState:
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of Running:
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ctrl.runState = ZombieRun
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of Stopped:
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ctrl.runState = ZombieStop
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else:
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discard
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else:
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case ctrl.runState:
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of ZombieRun:
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ctrl.runState = Running
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of ZombieStop:
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ctrl.runState = Stopped
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else:
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discard
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proc `stopped=`*(ctrl: BuddyCtrlRef; value: bool) =
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## Setter
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if value:
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case ctrl.runState:
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of Running:
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ctrl.runState = Stopped
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else:
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discard
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else:
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case ctrl.runState:
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of Stopped:
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ctrl.runState = Running
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else:
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discard
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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