67 lines
2.0 KiB
Swift
67 lines
2.0 KiB
Swift
//
|
|
// Transport.swift
|
|
// Buildkite
|
|
//
|
|
// Created by Aaron Sky on 3/22/20.
|
|
// Copyright © 2020 Aaron Sky. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
#if canImport(FoundationNetworking)
|
|
import FoundationNetworking
|
|
#endif
|
|
|
|
/// Error thrown when the transport resolves a data transfer and has received no data or
|
|
/// response object.
|
|
public enum TransportError: Error {
|
|
case noResponse
|
|
}
|
|
|
|
/// Interface for the asynchronous communication layer the ``BuildkiteClient`` uses.
|
|
public protocol Transport: Sendable {
|
|
typealias Output = (data: Data, response: URLResponse)
|
|
|
|
/// Send the request and receive the ``Output`` asynchronously.
|
|
func send(request: URLRequest) async throws -> Output
|
|
}
|
|
|
|
extension URLSession: Transport {
|
|
public func send(request: URLRequest) async throws -> Output {
|
|
// These depend on swift-corelibs-foundation, which have not implemented the
|
|
// Task-based API for URLSession.
|
|
#if os(Linux) || os(Windows)
|
|
return try await withCheckedThrowingContinuation { continuation in
|
|
send(request: request) {
|
|
continuation.resume(with: $0)
|
|
}
|
|
}
|
|
#else
|
|
guard #available(iOS 15, macOS 12, tvOS 15, watchOS 8, *) else {
|
|
return try await withCheckedThrowingContinuation { continuation in
|
|
send(request: request) {
|
|
continuation.resume(with: $0)
|
|
}
|
|
}
|
|
}
|
|
|
|
return try await data(for: request)
|
|
#endif
|
|
}
|
|
|
|
private func send(request: URLRequest, completion: @Sendable @escaping (Result<Output, Error>) -> Void) {
|
|
let task = dataTask(with: request) { data, response, error in
|
|
if let error = error {
|
|
completion(.failure(error))
|
|
return
|
|
}
|
|
guard let data = data, let response = response else {
|
|
completion(.failure(TransportError.noResponse))
|
|
return
|
|
}
|
|
completion(.success((data: data, response: response)))
|
|
}
|
|
task.resume()
|
|
}
|
|
}
|