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use crate::client::IpConfig;
use std::io;
use std::string;
use std::sync::mpsc;
use thiserror::Error;
#[derive(Debug, Error)]
pub enum Error {
#[error("client has already been started")]
AlreadyActive,
#[error("no active PPPoE session")]
NoSession,
#[error("bytes transmitted is not equal to request size")]
PartialTransmission,
#[error("invalid packet code {0}")]
InvalidCode(u8),
#[error("unexpected PADS")]
UnexpectedPads,
#[error("session ID is zero")]
ZeroSession,
#[error("unexpected PPP session traffic")]
UnexpectedPpp,
#[error("invalid PPP sub-protocol {0}")]
InvalidProtocol(u16),
#[error("invalid LCP code {0}")]
InvalidLcpCode(u8),
#[error("configuration acknowledged, but options differ from request")]
AckedWrongOptions,
#[error("configuration not acknowledged")]
ConfigNak,
#[error("configuration rejected")]
ConfigReject,
#[error("unexpected acknowledgement of link termination")]
UnexpectedTermAck,
#[error("invalid CHAP code {0}")]
InvalidChapCode(u8),
#[error("invalid IPCP code {0}")]
InvalidIpcpCode(u8),
#[error("peer did not assign us an IP address")]
MissingIpAddr,
#[error("peer did not send us a primary DNS server")]
MissingPrimaryDns,
#[error("peer did not send us a secondary DNS server")]
MissingSecondaryDns,
#[error("io error")]
Io(#[from] io::Error),
#[error("failed to convert string from UTF-8")]
Utf8(#[from] string::FromUtf8Error),
#[error("mpsc send error")]
MpscSendBytes(#[from] mpsc::SendError<Vec<u8>>),
#[error("mpsc send error")]
MpscSendIpConfig(#[from] mpsc::SendError<IpConfig>),
#[error("mpsc receive error")]
MpscRecv(#[from] mpsc::RecvError),
#[error("pppoe error: {0:?}")]
Pppoe(pppoe::error::Error),
#[error("pppoe parse error: {0:?}")]
PppoeParse(pppoe::error::ParseError),
#[error("rsdsl netlink(d) error")]
RsdslNetlinkd(#[from] rsdsl_netlinkd::error::Error),
#[error("serde json error")]
SerdeJson(#[from] serde_json::Error),
}
impl From<pppoe::error::Error> for Error {
fn from(err: pppoe::error::Error) -> Self {
Self::Pppoe(err)
}
}
impl From<pppoe::error::ParseError> for Error {
fn from(err: pppoe::error::ParseError) -> Self {
Self::PppoeParse(err)
}
}
pub type Result<T> = std::result::Result<T, Error>;
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