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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021-2022 Apple Inc. and the Swift project authors
Licensed under Apache License v2.0 with Runtime Library Exception
See https://swift.org/LICENSE.txt for license information
See https://swift.org/CONTRIBUTORS.txt for Swift project authors
*/
import Foundation
extension Benchmark {
/// Measures the total output size of a DocC archive.
public struct ArchiveOutputSize: BenchmarkMetric {
public static let identifier = "total-archive-output-size"
public static let displayName = "Total DocC archive size"
public var result: MetricValue?
public init(archiveDirectory: URL) {
self.result = MetricValue(directory: archiveDirectory)
}
}
/// Measures the output size of the data subdirectory in a DocC archive.
public struct DataDirectoryOutputSize: BenchmarkMetric {
public static let identifier = "data-subdirectory-output-size"
public static let displayName = "Data subdirectory size"
public var result: MetricValue?
public init(dataDirectory: URL) {
self.result = MetricValue(directory: dataDirectory)
}
}
/// Measures the output size of the index subdirectory in a DocC archive.
public struct IndexDirectoryOutputSize: BenchmarkMetric {
public static let identifier = "index-subdirectory-output-size"
public static let displayName = "Index subdirectory size"
public var result: MetricValue?
public init(indexDirectory: URL) {
self.result = MetricValue(directory: indexDirectory)
}
}
}
extension MetricValue {
/// Creates a disk size metric for a given directory.
///
/// This metric measures the real amount of bytes saved to disk
/// in the given directory and not the disk space reserved for storing the
/// corresponding files. This behavior helps produce real deltas between
/// multiple benchmarks.
init?(directory: URL) {
guard let enumerator = FileManager.default.enumerator(
at: directory,
includingPropertiesForKeys: [.totalFileAllocatedSizeKey, .fileAllocatedSizeKey],
options: .skipsHiddenFiles,
errorHandler: nil
) else {
return nil
}
var bytes: Int64 = 0
for case let url as URL in enumerator {
bytes += Int64((try? url.resourceValues(forKeys: [.fileSizeKey]))?.fileSize ?? 0)
}
self = .bytesOnDisk(bytes)
}
}
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