passepartout-apple/Passepartout/Library/Sources/UtilsLibrary/Business/Measure.swift

//
//  Measure.swift
//  Passepartout
//
//  Created by Davide De Rosa on 8/12/24.
//  Copyright (c) 2024 Davide De Rosa. All rights reserved.
//
//  https://github.com/passepartoutvpn
//
//  This file is part of Passepartout.
//
//  Passepartout is free software: you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  Passepartout is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import Foundation

public func measureMillis(block: () throws -> Void, completion: (UInt64) -> Void) rethrows {
    let startDate = DispatchTime.now()
    try block()
    let endDate = DispatchTime.now()
    let elapsedNanos = endDate.uptimeNanoseconds - startDate.uptimeNanoseconds
    let elapsedMillis = UInt64(Double(elapsedNanos) / 1_000_000.0)
    completion(elapsedMillis)
}