1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
//! Module containing error types used in Garage
use std::fmt;
use std::io;
use err_derive::Error;
use serde::{de::Visitor, Deserialize, Deserializer, Serialize, Serializer};
use crate::data::*;
/// Regroup all Garage errors
#[derive(Debug, Error)]
pub enum Error {
#[error(display = "IO error: {}", _0)]
Io(#[error(source)] io::Error),
#[error(display = "Hyper error: {}", _0)]
Hyper(#[error(source)] hyper::Error),
#[error(display = "HTTP error: {}", _0)]
Http(#[error(source)] http::Error),
#[error(display = "Invalid HTTP header value: {}", _0)]
HttpHeader(#[error(source)] http::header::ToStrError),
#[error(display = "Netapp error: {}", _0)]
Netapp(#[error(source)] netapp::error::Error),
#[error(display = "Sled error: {}", _0)]
Sled(#[error(source)] sled::Error),
#[error(display = "Messagepack encode error: {}", _0)]
RmpEncode(#[error(source)] rmp_serde::encode::Error),
#[error(display = "Messagepack decode error: {}", _0)]
RmpDecode(#[error(source)] rmp_serde::decode::Error),
#[error(display = "JSON error: {}", _0)]
Json(#[error(source)] serde_json::error::Error),
#[error(display = "TOML decode error: {}", _0)]
TomlDecode(#[error(source)] toml::de::Error),
#[error(display = "Tokio join error: {}", _0)]
TokioJoin(#[error(source)] tokio::task::JoinError),
#[error(display = "Remote error: {}", _0)]
RemoteError(String),
#[error(display = "Timeout")]
Timeout,
#[error(display = "Too many errors: {:?}", _0)]
TooManyErrors(Vec<String>),
#[error(display = "Bad RPC: {}", _0)]
BadRpc(String),
#[error(display = "Corrupt data: does not match hash {:?}", _0)]
CorruptData(Hash),
#[error(display = "{}", _0)]
Message(String),
}
impl From<sled::transaction::TransactionError<Error>> for Error {
fn from(e: sled::transaction::TransactionError<Error>) -> Error {
match e {
sled::transaction::TransactionError::Abort(x) => x,
sled::transaction::TransactionError::Storage(x) => Error::Sled(x),
}
}
}
impl<T> From<tokio::sync::watch::error::SendError<T>> for Error {
fn from(_e: tokio::sync::watch::error::SendError<T>) -> Error {
Error::Message("Watch send error".to_string())
}
}
impl<T> From<tokio::sync::mpsc::error::SendError<T>> for Error {
fn from(_e: tokio::sync::mpsc::error::SendError<T>) -> Error {
Error::Message("MPSC send error".to_string())
}
}
// Custom serialization for our error type, for use in RPC.
// Errors are serialized as a string of their Display representation.
// Upon deserialization, they all become a RemoteError with the
// given representation.
impl Serialize for Error {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
where
S: Serializer,
{
serializer.serialize_str(&format!("{}", self))
}
}
impl<'de> Deserialize<'de> for Error {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error>
where
D: Deserializer<'de>,
{
deserializer.deserialize_string(ErrorVisitor)
}
}
struct ErrorVisitor;
impl<'de> Visitor<'de> for ErrorVisitor {
type Value = Error;
fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
write!(formatter, "a string that represents an error value")
}
fn visit_str<E>(self, error_msg: &str) -> Result<Self::Value, E> {
Ok(Error::RemoteError(error_msg.to_string()))
}
fn visit_string<E>(self, error_msg: String) -> Result<Self::Value, E> {
Ok(Error::RemoteError(error_msg))
}
}
|
