grpc-swift/Sources/GRPC/LoggingServerErrorDelegate.swift

/*
 * Copyright 2019, gRPC Authors All rights reserved.
 *
 * 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.
 */
import Foundation
import Logging

public class LoggingServerErrorDelegate: ServerErrorDelegate {
  public static let shared = LoggingServerErrorDelegate()
  private let logger = Logger(labelSuffix: "ServerErrorDelegate")

  private init() {}

  public func observeLibraryError(_ error: Error) {
    self.logger.error("library error", metadata: [MetadataKey.error: "\(error)"])
  }

  public func observeRequestHandlerError(_ error: Error) {
    self.logger.error("request handler error", metadata: [MetadataKey.error: "\(error)"])
  }
}