81 lines
2.6 KiB
Nim
81 lines
2.6 KiB
Nim
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# 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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{.push raises: [].}
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import
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chronicles,
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"../../../.."/[common, db/select_backend],
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../../../misc/ticker,
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../../worker_desc,
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../db/snapdb_desc,
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"."/[pass_full, pass_snap]
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logScope:
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topics = "snap-init"
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# ------------------------------------------------------------------------------
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# Private functions
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# ------------------------------------------------------------------------------
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proc setupPass(ctx: SnapCtxRef) =
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## Set up sync mode specs table. This cannot be done at compile time.
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ctx.pool.syncMode.tab[SnapSyncMode] = passSnap()
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ctx.pool.syncMode.tab[FullSyncMode] = passFull()
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ctx.pool.syncMode.active = SnapSyncMode
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proc releasePass(ctx: SnapCtxRef) =
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discard
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# --------------
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proc setupTicker(ctx: SnapCtxRef) =
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let blindTicker: TickerSnapStatsUpdater = proc: TickerSnapStats =
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discard
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if ctx.pool.enableTicker:
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ctx.pool.ticker = TickerRef.init(blindTicker)
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proc releaseTicker(ctx: SnapCtxRef) =
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## Helper for `release()`
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ctx.pool.ticker.stop()
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ctx.pool.ticker = nil
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# --------------
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proc setupSnapDb(ctx: SnapCtxRef) =
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## Helper for `setup()`: Initialise snap sync database layer
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ctx.pool.snapDb =
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if ctx.pool.dbBackend.isNil: SnapDbRef.init(ctx.chain.db.db)
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else: SnapDbRef.init(ctx.pool.dbBackend)
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# ------------------------------------------------------------------------------
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# Public start/stop and admin functions
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# ------------------------------------------------------------------------------
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proc passInitSetup*(ctx: SnapCtxRef) =
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## Global set up
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ctx.setupPass() # Set up sync sub-mode specs.
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ctx.setupSnapDb() # Set database backend, subject to change
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ctx.setupTicker() # Start log/status ticker (if any)
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# Experimental, also used for debugging
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if ctx.exCtrlFile.isSome:
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warn "Snap sync accepts pivot block number or hash",
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syncCtrlFile=ctx.exCtrlFile.get
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proc passInitRelease*(ctx: SnapCtxRef) =
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## Global clean up
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ctx.releaseTicker() # Stop log/status ticker (if any)
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ctx.releasePass() # Shut down sync methods
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# ------------------------------------------------------------------------------
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# End
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# ------------------------------------------------------------------------------
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