81fb2ed548
factored out the packet parsing logic from libpcap will probably come back to linking against libpcap in a later version
41 lines
1.4 KiB
Rust
41 lines
1.4 KiB
Rust
// Copyright (C) 2023 Andrew Rioux
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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use std::{error, fmt::Display};
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#[derive(Debug)]
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pub enum Error {
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StringParse,
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UnknownPacketType(u16),
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PacketLengthInvalid,
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}
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pub type Result<T> = std::result::Result<T, Error>;
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impl Display for Error {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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match self {
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Error::StringParse => write!(f, "unable to parse a string from pcap"),
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Error::UnknownPacketType(ptype) => write!(f, "unknown packet type ({ptype})"),
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Error::PacketLengthInvalid => write!(
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f,
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"received a packet with a length that mismatched the header"
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),
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}
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}
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}
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impl error::Error for Error {}
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