wehub-resource-sync
680845cb1c
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60 lines
2.0 KiB
Swift
60 lines
2.0 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the Containerization project authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//===----------------------------------------------------------------------===//
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import ContainerizationExtras
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import Crypto
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import Foundation
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import NIOCore
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/// Protocol for defining a single OCI content
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public protocol Content: Sendable {
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/// URL to the content
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var path: URL { get }
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/// sha256 of content
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func digest() throws -> SHA256.Digest
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/// Size of content
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func size() throws -> UInt64
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/// Data representation of entire content
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func data() throws -> Data
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/// Data representation partial content
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func data(offset: UInt64, length: Int) throws -> Data?
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/// Decode the content into an object
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func decode<T>() throws -> T where T: Decodable
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}
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/// Protocol defining methods to fetch and push OCI content
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public protocol ContentClient: Sendable {
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func fetch<T: Codable>(name: String, descriptor: Descriptor) async throws -> T
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func fetchBlob(name: String, descriptor: Descriptor, into file: URL, progress: ProgressHandler?) async throws -> (Int64, SHA256Digest)
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func fetchData(name: String, descriptor: Descriptor) async throws -> Data
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func push<T: Sendable & AsyncSequence>(
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name: String,
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ref: String,
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descriptor: Descriptor,
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streamGenerator: () throws -> T,
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progress: ProgressHandler?
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) async throws where T.Element == ByteBuffer
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}
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