112 lines
3.1 KiB
Rust
112 lines
3.1 KiB
Rust
// Copyright 2018 Mozilla
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use
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// this file except in compliance with the License. You may obtain a copy of the
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// License at http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed
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// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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// CONDITIONS OF ANY KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations under the License.
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use std;
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use rusqlite;
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use uuid;
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use hyper;
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use serde_json;
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use db_traits::errors::DbError;
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#[macro_export]
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macro_rules! bail {
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($e:expr) => (
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return Err($e.into());
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)
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}
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pub type Result<T> = ::std::result::Result<T, TolstoyError>;
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#[derive(Debug, Fail)]
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pub enum TolstoyError {
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#[fail(display = "Received bad response from the server: {}", _0)]
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BadServerResponse(String),
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#[fail(display = "encountered more than one metadata value for key: {}", _0)]
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DuplicateMetadata(String),
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#[fail(display = "transaction processor didn't say it was done")]
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TxProcessorUnfinished,
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#[fail(display = "expected one, found {} uuid mappings for tx", _0)]
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TxIncorrectlyMapped(usize),
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#[fail(display = "encountered unexpected state: {}", _0)]
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UnexpectedState(String),
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#[fail(display = "not yet implemented: {}", _0)]
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NotYetImplemented(String),
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#[fail(display = "{}", _0)]
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DbError(#[cause] DbError),
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#[fail(display = "{}", _0)]
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SerializationError(#[cause] serde_json::Error),
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// It would be better to capture the underlying `rusqlite::Error`, but that type doesn't
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// implement many useful traits, including `Clone`, `Eq`, and `PartialEq`.
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#[fail(display = "SQL error: {}", _0)]
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RusqliteError(String),
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#[fail(display = "{}", _0)]
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IoError(#[cause] std::io::Error),
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#[fail(display = "{}", _0)]
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UuidError(#[cause] uuid::ParseError),
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#[fail(display = "{}", _0)]
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NetworkError(#[cause] hyper::Error),
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#[fail(display = "{}", _0)]
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UriError(#[cause] hyper::error::UriError),
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}
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impl From<DbError> for TolstoyError {
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fn from(error: DbError) -> TolstoyError {
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TolstoyError::DbError(error)
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}
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}
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impl From<serde_json::Error> for TolstoyError {
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fn from(error: serde_json::Error) -> TolstoyError {
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TolstoyError::SerializationError(error)
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}
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}
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impl From<rusqlite::Error> for TolstoyError {
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fn from(error: rusqlite::Error) -> TolstoyError {
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TolstoyError::RusqliteError(error.to_string())
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}
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}
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impl From<std::io::Error> for TolstoyError {
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fn from(error: std::io::Error) -> TolstoyError {
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TolstoyError::IoError(error)
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}
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}
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impl From<uuid::ParseError> for TolstoyError {
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fn from(error: uuid::ParseError) -> TolstoyError {
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TolstoyError::UuidError(error)
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}
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}
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impl From<hyper::Error> for TolstoyError {
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fn from(error: hyper::Error) -> TolstoyError {
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TolstoyError::NetworkError(error)
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}
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}
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impl From<hyper::error::UriError> for TolstoyError {
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fn from(error: hyper::error::UriError) -> TolstoyError {
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TolstoyError::UriError(error)
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}
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}
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