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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2019 Apple Inc. and the SwiftNIO project authors
// Licensed under Apache License v2.0
//
// See LICENSE.txt for license information
// See CONTRIBUTORS.txt for the list of SwiftNIO project authors
//
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
import NIO
import NIOSSL
import Foundation
import Dispatch
// MARK: Test Harness
var warning: String = ""
assert({
print("======================================================")
print("= YOU ARE RUNNING NIOPerformanceTester IN DEBUG MODE =")
print("======================================================")
warning = " <<< DEBUG MODE >>>"
return true
}())
public func measure(_ fn: () throws -> Int) rethrows -> [TimeInterval] {
func measureOne(_ fn: () throws -> Int) rethrows -> TimeInterval {
let start = Date()
_ = try fn()
let end = Date()
return end.timeIntervalSince(start)
}
_ = try measureOne(fn) /* pre-heat and throw away */
var measurements = Array(repeating: 0.0, count: 10)
for i in 0..<10 {
measurements[i] = try measureOne(fn)
}
return measurements
}
let limitSet = CommandLine.arguments.dropFirst()
public func measureAndPrint(desc: String, fn: () throws -> Int) rethrows -> Void {
if limitSet.count == 0 || limitSet.contains(desc) {
print("measuring\(warning): \(desc): ", terminator: "")
let measurements = try measure(fn)
print(measurements.reduce("") { $0 + "\($1), " })
} else {
print("skipping '\(desc)', limit set = \(limitSet)")
}
}
// MARK: Utilities
try measureAndPrint(desc: "repeated_handshakes", benchmark: try BenchRepeatedHandshakes(loopCount: 1000))
try measureAndPrint(desc: "many_writes_512b", benchmark: try BenchManyWrites(loopCount: 2000, writeSizeInBytes: 512))
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