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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use std::num;
use http;
use nserror::{
nsresult, NS_ERROR_ILLEGAL_VALUE, NS_ERROR_INVALID_ARG, NS_ERROR_LAUNCHED_CHILD_PROCESS,
NS_ERROR_NOT_AVAILABLE,
};
use thiserror::Error;
#[derive(Debug, Error)]
pub enum RemoteAgentError {
#[error("expected address syntax [<host>]:<port>: {0}")]
AddressSpec(#[from] http::uri::InvalidUri),
#[error("may only be instantiated in parent process")]
ChildProcess,
#[error("invalid port: {0}")]
InvalidPort(#[from] num::ParseIntError),
#[error("listener restricted to loopback devices")]
LoopbackRestricted,
#[error("missing port number")]
MissingPort,
#[error("unavailable")]
Unavailable,
#[error("error result {0}")]
XpCom(#[source] nsresult),
}
impl From<RemoteAgentError> for nsresult {
fn from(err: RemoteAgentError) -> nsresult {
use RemoteAgentError::*;
match err {
AddressSpec(_) | InvalidPort(_) => NS_ERROR_INVALID_ARG,
ChildProcess => NS_ERROR_LAUNCHED_CHILD_PROCESS,
LoopbackRestricted => NS_ERROR_ILLEGAL_VALUE,
MissingPort => NS_ERROR_INVALID_ARG,
Unavailable => NS_ERROR_NOT_AVAILABLE,
XpCom(result) => result,
}
}
}
impl From<nsresult> for RemoteAgentError {
fn from(result: nsresult) -> Self {
use RemoteAgentError::*;
match result {
NS_ERROR_NOT_AVAILABLE => Unavailable,
NS_ERROR_LAUNCHED_CHILD_PROCESS => ChildProcess,
x => RemoteAgentError::XpCom(x),
}
}
}