43 lines
1.4 KiB
Rust
43 lines
1.4 KiB
Rust
/*
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*
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* Copyright (c) 2020-2022 Project CHIP Authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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use crate::error::Error;
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use super::exchange::ExchangeCtx;
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use super::packet::Packet;
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/// This is the context in which a receive packet is being processed
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pub struct ProtoCtx<'a, 'b> {
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/// This is the exchange context, that includes the exchange and the session
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pub exch_ctx: ExchangeCtx<'a>,
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/// This is the received buffer for this transaction
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pub rx: &'a Packet<'b>,
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/// This is the transmit buffer for this transaction
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pub tx: &'a mut Packet<'b>,
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}
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impl<'a, 'b> ProtoCtx<'a, 'b> {
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pub fn new(exch_ctx: ExchangeCtx<'a>, rx: &'a Packet<'b>, tx: &'a mut Packet<'b>) -> Self {
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Self { exch_ctx, rx, tx }
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}
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pub fn send(&mut self) -> Result<&[u8], Error> {
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self.exch_ctx.exch.send(self.tx, &mut self.exch_ctx.sess)?;
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Ok(self.tx.as_mut_slice())
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}
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}
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