common_frontend/
error.rs

1// Copyright 2023 Greptime Team
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use common_error::ext::{BoxedError, ErrorExt};
16use common_error::status_code::StatusCode;
17use common_macro::stack_trace_debug;
18use snafu::{Location, Snafu};
19
20#[derive(Snafu)]
21#[snafu(visibility(pub))]
22#[stack_trace_debug]
23pub enum Error {
24    #[snafu(display("External error"))]
25    External {
26        #[snafu(implicit)]
27        location: Location,
28        source: BoxedError,
29    },
30
31    #[snafu(display("Failed to list nodes from metasrv"))]
32    Meta {
33        source: Box<meta_client::error::Error>,
34        #[snafu(implicit)]
35        location: Location,
36    },
37
38    #[snafu(display("Failed to parse process id: {}", s))]
39    ParseProcessId {
40        s: String,
41        #[snafu(implicit)]
42        location: Location,
43    },
44
45    #[snafu(display("Failed to invoke frontend service"))]
46    InvokeFrontend {
47        #[snafu(source)]
48        error: tonic::Status,
49        #[snafu(implicit)]
50        location: Location,
51    },
52
53    #[snafu(display("Failed to invoke list process service"))]
54    CreateChannel {
55        source: common_grpc::error::Error,
56        #[snafu(implicit)]
57        location: Location,
58    },
59}
60
61pub type Result<T> = std::result::Result<T, Error>;
62
63impl ErrorExt for Error {
64    fn status_code(&self) -> StatusCode {
65        use Error::*;
66        match self {
67            External { source, .. } => source.status_code(),
68            Meta { source, .. } => source.status_code(),
69            ParseProcessId { .. } => StatusCode::InvalidArguments,
70            InvokeFrontend { .. } => StatusCode::Unexpected,
71            CreateChannel { source, .. } => source.status_code(),
72        }
73    }
74
75    fn as_any(&self) -> &dyn std::any::Any {
76        self
77    }
78}
common_frontend/error.rs

common_frontend/
error.rs
