43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
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// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity 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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// Parity 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 Parity. If not, see <http://www.gnu.org/licenses/>.
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//! LES buffer flow management.
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//!
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//! Every request in the LES protocol leads to a reduction
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//! of the requester's buffer value as a rate-limiting mechanism.
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//! This buffer value will recharge at a set rate.
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//!
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//! This module provides an interface for configuration of buffer
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//! flow costs and recharge rates.
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use request::{self, Request};
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/// Manages buffer flow costs for specific requests.
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pub struct FlowManager;
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impl FlowManager {
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/// Estimate the maximum cost of this request.
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pub fn estimate_cost(&self, req: &request::Request) -> usize {
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unimplemented!()
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}
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/// Get an exact cost based on request kind and amount of requests fulfilled.
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pub fn exact_cost(&self, kind: request::Kind, amount: usize) -> usize {
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unimplemented!()
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}
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}
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