mirror of
https://github.com/pezkuwichain/pezkuwi-subxt.git
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Tsvetomir Dimitrov
a035dc9be7
This PR removes `AssignmentProviderConfig` and uses the corresponding ondemand parameters from `HostConfiguration` instead. Additionally `scheduling_lookahead` and all coretime/ondemand related parameters are extracted in a separate struct - `SchedulerParams`. The most relevant commit from the PR is [this one](https://github.com/paritytech/polkadot-sdk/pull/3181/commits/830bc0f5e858944474171bbe33382ad96040b535). Fixes https://github.com/paritytech/polkadot-sdk/issues/2268 --------- Co-authored-by: command-bot <>
88 lines
2.9 KiB
Rust
88 lines
2.9 KiB
Rust
// Copyright (C) Parity Technologies (UK) Ltd.
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// This file is part of Polkadot.
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// Polkadot is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// Polkadot is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Polkadot. If not, see <http://www.gnu.org/licenses/>.
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//! Common traits and types used by the scheduler and assignment providers.
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use scale_info::TypeInfo;
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use sp_runtime::{
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codec::{Decode, Encode},
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RuntimeDebug,
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};
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use primitives::{CoreIndex, Id as ParaId};
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/// Assignment (ParaId -> CoreIndex).
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#[derive(Encode, Decode, TypeInfo, RuntimeDebug, Clone, PartialEq)]
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pub enum Assignment {
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/// A pool assignment.
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Pool {
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/// The assigned para id.
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para_id: ParaId,
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/// The core index the para got assigned to.
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core_index: CoreIndex,
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},
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/// A bulk assignment.
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Bulk(ParaId),
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}
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impl Assignment {
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/// Returns the [`ParaId`] this assignment is associated to.
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pub fn para_id(&self) -> ParaId {
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match self {
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Self::Pool { para_id, .. } => *para_id,
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Self::Bulk(para_id) => *para_id,
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}
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}
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}
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pub trait AssignmentProvider<BlockNumber> {
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/// Pops an [`Assignment`] from the provider for a specified [`CoreIndex`].
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///
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/// This is where assignments come into existence.
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fn pop_assignment_for_core(core_idx: CoreIndex) -> Option<Assignment>;
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/// A previously popped `Assignment` has been fully processed.
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///
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/// Report back to the assignment provider that an assignment is done and no longer present in
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/// the scheduler.
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///
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/// This is one way of the life of an assignment coming to an end.
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fn report_processed(assignment: Assignment);
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/// Push back a previously popped assignment.
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///
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/// If the assignment could not be processed within the current session, it can be pushed back
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/// to the assignment provider in order to be popped again later.
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///
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/// This is the second way the life of an assignment can come to an end.
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fn push_back_assignment(assignment: Assignment);
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/// Push some assignment for mocking/benchmarks purposes.
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///
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/// Useful for benchmarks and testing. The returned assignment is "valid" and can if need be
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/// passed into `report_processed` for example.
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#[cfg(any(feature = "runtime-benchmarks", test))]
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fn get_mock_assignment(core_idx: CoreIndex, para_id: ParaId) -> Assignment;
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/// How many cores are allocated to this provider.
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///
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/// As the name suggests the core count has to be session buffered:
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///
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/// - Core count has to be predetermined for the next session in the current session.
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/// - Core count must not change during a session.
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fn session_core_count() -> u32;
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}
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