services/scheduler/enclave/src/error.rs

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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
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// specific language governing permissions and limitations
// under the License.

use teaclave_rpc::{Code, Status};
use thiserror::Error;
#[derive(Error, Debug)]
pub enum SchedulerServiceError {
    #[error("service internal error")]
    Service(#[from] anyhow::Error),
    #[error("task to pull has been canceled")]
    TaskCanceled,
    #[error("task queue is empty")]
    TaskQueueEmpty,
    #[error("storage service error")]
    StorageError,
}

impl From<SchedulerServiceError> for Status {
    fn from(error: SchedulerServiceError) -> Self {
        log::debug!("SchedulerServiceError: {:?}", error);
        let msg = error.to_string();
        let code = match error {
            SchedulerServiceError::Service(_) => Code::Internal,
            _ => Code::Unknown,
        };
        Status::new(code, msg)
    }
}