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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2020-2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Foundation
public struct HTTPClientConfiguration: Sendable {
// FIXME: this should be unified with ``AuthorizationProvider`` protocol or renamed to avoid unintended shadowing.
public typealias AuthorizationProvider = @Sendable (URL)
-> String?
public init(
requestHeaders: HTTPClientHeaders? = nil,
requestTimeout: SendableTimeInterval? = nil,
authorizationProvider: AuthorizationProvider? = nil,
retryStrategy: HTTPClientRetryStrategy? = nil,
circuitBreakerStrategy: HTTPClientCircuitBreakerStrategy? = nil,
maxConcurrentRequests: Int? = nil
) {
self.requestHeaders = requestHeaders
self.requestTimeout = requestTimeout
self.authorizationProvider = authorizationProvider
self.retryStrategy = retryStrategy
self.circuitBreakerStrategy = circuitBreakerStrategy
self.maxConcurrentRequests = maxConcurrentRequests
}
public var requestHeaders: HTTPClientHeaders?
// FIXME: replace with `Duration` when that's available for back-deployment or minimum macOS is bumped to 13.0+
public var requestTimeout: SendableTimeInterval?
public var authorizationProvider: AuthorizationProvider?
public var retryStrategy: HTTPClientRetryStrategy?
public var circuitBreakerStrategy: HTTPClientCircuitBreakerStrategy?
public var maxConcurrentRequests: Int?
}
public enum HTTPClientRetryStrategy: Sendable {
case exponentialBackoff(maxAttempts: Int, baseDelay: SendableTimeInterval)
}
public enum HTTPClientCircuitBreakerStrategy: Sendable {
case hostErrors(maxErrors: Int, age: SendableTimeInterval)
}
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