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use std::ffi::OsString;
use std::fmt::{self, Display};
use std::io;
use std::result;
use ffi_support::{handle_map::HandleError, ExternError};
use rkv::StoreError;
pub type Result<T> = result::Result<T, Error>;
#[derive(Debug)]
#[non_exhaustive]
pub enum ErrorKind {
Lifetime(i32),
Handle(HandleError),
IoError(io::Error),
Rkv(StoreError),
Json(serde_json::error::Error),
TimeUnit(i32),
MemoryUnit(i32),
HistogramType(i32),
OsString(OsString),
Utf8Error,
InvalidConfig,
NotInitialized,
PingBodyOverflow(usize),
}
#[derive(Debug)]
pub struct Error {
kind: ErrorKind,
}
impl Error {
pub fn utf8_error() -> Error {
Error {
kind: ErrorKind::Utf8Error,
}
}
pub fn not_initialized() -> Error {
Error {
kind: ErrorKind::NotInitialized,
}
}
pub fn kind(&self) -> &ErrorKind {
&self.kind
}
}
impl std::error::Error for Error {}
impl Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
use ErrorKind::*;
match self.kind() {
Lifetime(l) => write!(f, "Lifetime conversion from {} failed", l),
Handle(e) => write!(f, "Invalid handle: {}", e),
IoError(e) => write!(f, "An I/O error occurred: {}", e),
Rkv(e) => write!(f, "An Rkv error occurred: {}", e),
Json(e) => write!(f, "A JSON error occurred: {}", e),
TimeUnit(t) => write!(f, "TimeUnit conversion from {} failed", t),
MemoryUnit(m) => write!(f, "MemoryUnit conversion from {} failed", m),
HistogramType(h) => write!(f, "HistogramType conversion from {} failed", h),
OsString(s) => write!(f, "OsString conversion from {:?} failed", s),
Utf8Error => write!(f, "Invalid UTF-8 byte sequence in string"),
InvalidConfig => write!(f, "Invalid Glean configuration provided"),
NotInitialized => write!(f, "Global Glean object missing"),
PingBodyOverflow(s) => write!(
f,
"Ping request body size exceeded maximum size allowed: {}kB.",
s / 1024
),
}
}
}
impl From<ErrorKind> for Error {
fn from(kind: ErrorKind) -> Error {
Error { kind }
}
}
impl From<HandleError> for Error {
fn from(error: HandleError) -> Error {
Error {
kind: ErrorKind::Handle(error),
}
}
}
impl From<io::Error> for Error {
fn from(error: io::Error) -> Error {
Error {
kind: ErrorKind::IoError(error),
}
}
}
impl From<StoreError> for Error {
fn from(error: StoreError) -> Error {
Error {
kind: ErrorKind::Rkv(error),
}
}
}
impl From<Error> for ExternError {
fn from(error: Error) -> ExternError {
ffi_support::ExternError::new_error(ffi_support::ErrorCode::new(42), format!("{}", error))
}
}
impl From<serde_json::error::Error> for Error {
fn from(error: serde_json::error::Error) -> Error {
Error {
kind: ErrorKind::Json(error),
}
}
}
impl From<OsString> for Error {
fn from(error: OsString) -> Error {
Error {
kind: ErrorKind::OsString(error),
}
}
}
impl From<std::convert::Infallible> for Error {
fn from(_: std::convert::Infallible) -> Error {
unreachable!()
}
}