Files
firebase-ios-sdk/FirebaseAI/Sources/GenAIURLSession.swift
Andrew Heard 8a854c732b [Firebase AI] Add initial project structure (#14737)
# Conflicts:
#	FirebaseAI/Tests/Unit/Types/GenerateContentResponseTests.swift
#	FirebaseVertexAI/Sources/VertexAI.swift
2025-04-25 10:34:11 -04:00

39 lines
1.6 KiB
Swift

// Copyright 2025 Google LLC
//
// 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
/// A namespace providing `URLSession` instances.
enum GenAIURLSession {
/// The default `URLSession` instance for the SDK; returns `URLSession.shared` by default.
///
/// - Important: On affected simulators (iOS 18.4+, visionOS 2.4+), this returns an ephemeral
/// `URLSession` instance as a workaround for a known system bug.
static let `default` = {
#if targetEnvironment(simulator)
// The iOS 18.4 and visionOS 2.4 simulators (included in Xcode 16.3) contain a bug in
// `URLSession` causing requests to fail. The following workaround, using an ephemeral session
// resolves the issue. See https://developer.apple.com/forums/thread/777999 for more details.
//
// Note: This bug only impacts the simulator, not real devices, and does not impact watchOS
// or tvOS.
if #available(iOS 18.4, tvOS 100.0, watchOS 100.0, visionOS 2.4, *) {
return URLSession(configuration: URLSessionConfiguration.ephemeral)
}
#endif // targetEnvironment(simulator)
return URLSession.shared
}()
}