irc_bot/core/
err.rs

1use super::ModuleFeatureInfo;
2use super::ModuleInfo;
3use super::ServerId;
4use irc;
5use rand;
6use serde_yaml;
7use std::any::Any;
8use std::borrow::Cow;
9use std::io;
10use util;
11
12error_chain! {
13    foreign_links {
14        Io(io::Error);
15
16        Rand(rand::Error);
17
18        SerdeYaml(serde_yaml::Error);
19    }
20
21    links {
22        YamlUtil(util::yaml::Error, util::yaml::ErrorKind);
23    }
24
25    errors {
26        // TODO: Once I switch from `error-chain` to `failure`, integrate with `irc`'s `failure`
27        // support.
28        IrcCrate(inner: irc::error::IrcError) {
29            description("IRC error")
30            display("IRC error: {}", inner)
31        }
32
33        ModuleRegistryClash(old: ModuleInfo, new: ModuleInfo) {
34            description("module registry clash")
35            display("Failed to load a new module because it would have overwritten an old module. \
36                     Old: {:?}; new: {:?}.",
37                    old,
38                    new)
39        }
40
41        ModuleFeatureRegistryClash(old: ModuleFeatureInfo, new: ModuleFeatureInfo) {
42            description("module feature registry clash")
43            display("Failed to load a new module feature because it would have overwritten an old \
44                     module feature. Old: {:?}; new: {:?}.",
45                    old,
46                    new)
47        }
48
49        ServerRegistryClash(server_id: ServerId) {
50            description("server registry UUID clash")
51            display("Failed to register a server because an existing server had the same UUID: \
52                     {uuid}",
53                    uuid = server_id.uuid.hyphenated())
54        }
55
56        Config(key: String, problem: String) {
57            description("configuration error")
58            display("Configuration error: Key {:?} {}.", key, problem)
59        }
60
61        ThreadSpawnFailure(io_err: io::Error) {
62            description("failed to spawn thread")
63            display("Failed to spawn thread: {}", io_err)
64        }
65
66        HandlerPanic(
67            feature_kind: Cow<'static, str>,
68            feature_name: Cow<'static, str>,
69            payload: Box<Any + Send + 'static>
70        ) {
71            description("panic in module feature handler function")
72            display("The handler function for {} {:?} panicked with the following message: {}",
73                    feature_kind,
74                    feature_name,
75                    util::fmt::FmtAny(payload.as_ref()))
76        }
77
78        NicknameUnknown {
79            description("nickname retrieval error")
80            display("Puzzlingly, the bot seems to have forgotten its own nickname.")
81        }
82
83        UnknownServer(server_id: ServerId) {
84            description("server ID not recognized")
85            display("An attempt to look up a server connection or metadatum thereof failed, \
86                     because the given server identification token (UUID {id}) was not a valid \
87                     key in the relevant associative array.",
88                    id = server_id.uuid.hyphenated())
89        }
90
91        LockPoisoned(lock_contents_desc: Cow<'static, str>) {
92            description("lock poisoned")
93            display("A thread panicked, poisoning a lock around {}.", lock_contents_desc)
94        }
95
96        Any(inner: Box<Any + Send + 'static>) {
97            description("miscellaneous error")
98            display("Error: {}", util::fmt::FmtAny(inner.as_ref()))
99        }
100
101        Unit {
102            description("unknown error")
103            display("An error seems to have occurred, but unfortunately the error type provided \
104                     was the unit type, containing no information about the error.")
105        }
106    }
107}
108
109impl From<irc::error::IrcError> for Error {
110    fn from(orig: irc::error::IrcError) -> Self {
111        ErrorKind::IrcCrate(orig).into()
112    }
113}
irc_bot/core/err.rs

irc_bot/core/
err.rs
