use err_derive::Error; use hyper::header::HeaderValue; use hyper::{HeaderMap, StatusCode}; use garage_util::error::Error as GarageError; /// Errors of this crate #[derive(Debug, Error)] pub enum Error { /// An error received from the API crate #[error(display = "API error: {}", _0)] ApiError(#[error(source)] garage_api::Error), // Category: internal error /// Error internal to garage #[error(display = "Internal error: {}", _0)] InternalError(#[error(source)] GarageError), /// The file does not exist #[error(display = "Not found")] NotFound, /// The request contained an invalid UTF-8 sequence in its path or in other parameters #[error(display = "Invalid UTF-8: {}", _0)] InvalidUtf8(#[error(source)] std::str::Utf8Error), /// The client send a header with invalid value #[error(display = "Invalid header value: {}", _0)] InvalidHeader(#[error(source)] hyper::header::ToStrError), /// The client sent a request without host, or with unsupported method #[error(display = "Bad request: {}", _0)] BadRequest(String), } impl Error { /// Transform errors into http status code pub fn http_status_code(&self) -> StatusCode { match self { Error::NotFound => StatusCode::NOT_FOUND, Error::ApiError(e) => e.http_status_code(), Error::InternalError( GarageError::Timeout | GarageError::RemoteError(_) | GarageError::Quorum(_, _, _, _), ) => StatusCode::SERVICE_UNAVAILABLE, Error::InternalError(_) => StatusCode::INTERNAL_SERVER_ERROR, _ => StatusCode::BAD_REQUEST, } } pub fn add_headers(&self, header_map: &mut HeaderMap<HeaderValue>) { #[allow(clippy::single_match)] match self { Error::ApiError(e) => e.add_headers(header_map), _ => (), } } }