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
124
125
126
127
128
129
130
131
132
133

use cannyls;
use fibers::sync::oneshot::MonitorError;
use fibers_http_server;
use fibers_rpc;
use fibers_tasque;
use frugalos_config;
use frugalos_segment;
use libfrugalos;
use libfrugalos::entity::object::ObjectVersion;
use prometrics;
use raftlog;
use serde_yaml;
use std;
use std::io;
use trackable::error::TrackableError;
use trackable::error::{ErrorKind as TrackableErrorKind, ErrorKindExt};

/// クレート固有の`Error`型。
#[derive(Debug, Clone, TrackableError, Serialize)]
pub struct Error(TrackableError<ErrorKind>);
impl From<io::Error> for Error {
    fn from(f: io::Error) -> Self {
        ErrorKind::Other.cause(f).into()
    }
}
impl From<frugalos_segment::Error> for Error {
    fn from(f: frugalos_segment::Error) -> Self {
        if let frugalos_segment::ErrorKind::UnexpectedVersion { current } = *f.kind() {
            ErrorKind::Unexpected(current).takes_over(f).into()
        } else {
            ErrorKind::Other.takes_over(f).into()
        }
    }
}
impl From<raftlog::Error> for Error {
    fn from(f: raftlog::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<frugalos_config::Error> for Error {
    fn from(f: frugalos_config::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<cannyls::Error> for Error {
    fn from(f: cannyls::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<fibers_tasque::AsyncCallError> for Error {
    fn from(f: fibers_tasque::AsyncCallError) -> Self {
        ErrorKind::Other.cause(f).into()
    }
}
impl From<serde_yaml::Error> for Error {
    fn from(f: serde_yaml::Error) -> Self {
        ErrorKind::Other.cause(f).into()
    }
}
impl From<MonitorError<frugalos_segment::Error>> for Error {
    fn from(f: MonitorError<frugalos_segment::Error>) -> Self {
        match f {
            MonitorError::Failed(e) => Error::from(e),
            MonitorError::Aborted => ErrorKind::Other
                .cause("Monitor channel disconnected")
                .into(),
        }
    }
}
impl From<MonitorError<Error>> for Error {
    fn from(f: MonitorError<Error>) -> Self {
        f.unwrap_or_else(|| {
            ErrorKind::Other
                .cause("Monitor channel disconnected")
                .into()
        })
    }
}
impl From<fibers_http_server::Error> for Error {
    fn from(f: fibers_http_server::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<prometrics::Error> for Error {
    fn from(f: prometrics::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<fibers_rpc::Error> for Error {
    fn from(f: fibers_rpc::Error) -> Self {
        ErrorKind::Other.takes_over(f).into()
    }
}
impl From<libfrugalos::Error> for Error {
    fn from(f: libfrugalos::Error) -> Self {
        let kind = match *f.kind() {
            libfrugalos::ErrorKind::InvalidInput => ErrorKind::InvalidInput,
            _ => ErrorKind::Other,
        };
        kind.cause(f).into()
    }
}
impl From<std::net::AddrParseError> for Error {
    fn from(f: std::net::AddrParseError) -> Self {
        ErrorKind::InvalidInput.cause(f).into()
    }
}
impl From<std::num::ParseFloatError> for Error {
    fn from(f: std::num::ParseFloatError) -> Self {
        ErrorKind::InvalidInput.cause(f).into()
    }
}
impl From<std::num::ParseIntError> for Error {
    fn from(f: std::num::ParseIntError) -> Self {
        ErrorKind::InvalidInput.cause(f).into()
    }
}
impl From<std::sync::mpsc::RecvError> for Error {
    fn from(f: std::sync::mpsc::RecvError) -> Self {
        ErrorKind::Other.cause(f).into()
    }
}

/// エラーの種類。
#[allow(missing_docs)]
#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
pub enum ErrorKind {
    InvalidInput,
    NotFound,
    Unexpected(Option<ObjectVersion>),
    Other,
}
impl TrackableErrorKind for ErrorKind {}