meta_client/client/
util.rs

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// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use api::v1::meta::{ErrorCode, ResponseHeader};
use tonic::{Code, Status};

pub(crate) fn is_unreachable(status: &Status) -> bool {
    status.code() == Code::Unavailable || status.code() == Code::DeadlineExceeded
}

pub(crate) fn is_not_leader(header: &Option<ResponseHeader>) -> bool {
    let Some(header) = header else {
        return false;
    };

    let Some(err) = header.error.as_ref() else {
        return false;
    };

    err.code == ErrorCode::NotLeader as i32
}