57 lines
1.8 KiB
Rust
57 lines
1.8 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::*;
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use smol::net::{Ipv6Addr, UdpSocket};
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use super::network::{Address, NetworkInterface};
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// We could get rid of the smol here, but keeping it around in case we have to process
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// any other events in this thread's context
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pub struct UdpListener {
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socket: UdpSocket,
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}
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// Currently matches with the one in connectedhomeip repo
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pub const MAX_RX_BUF_SIZE: usize = 1583;
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/* The Matter Port */
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pub const MATTER_PORT: u16 = 5540;
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impl UdpListener {
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pub fn new() -> Result<UdpListener, Error> {
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Ok(UdpListener {
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socket: smol::block_on(UdpSocket::bind((Ipv6Addr::UNSPECIFIED, MATTER_PORT)))?,
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})
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}
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}
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impl NetworkInterface for UdpListener {
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fn recv(&self, in_buf: &mut [u8]) -> Result<(usize, Address), Error> {
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let (size, addr) = smol::block_on(self.socket.recv_from(in_buf)).map_err(|e| {
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println!("Error on the network: {:?}", e);
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Error::Network
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})?;
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Ok((size, Address::Udp(addr)))
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}
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fn send(&self, out_buf: &[u8], addr: Address) -> Result<usize, Error> {
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match addr {
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Address::Udp(addr) => Ok(smol::block_on(self.socket.send_to(out_buf, addr))?),
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}
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}
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}
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