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//===----------------------------------------------------------------------===//
//
// This source file is part of the SwiftNIO open source project
//
// Copyright (c) 2021 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
final class ByteToMessageDecoderDecodeManySmallsBenchmark: Benchmark {
private let iterations: Int
private let buffer: ByteBuffer
private let channel: EmbeddedChannel
init(iterations: Int, bufferSize: Int) {
self.iterations = iterations
self.buffer = ByteBuffer(repeating: 0, count: bufferSize)
self.channel = EmbeddedChannel(handler: ByteToMessageHandler(Decoder()))
}
func setUp() throws {
try self.channel.connect(to: .init(ipAddress: "1.2.3.4", port: 5)).wait()
}
func tearDown() {
precondition(try! self.channel.finish().isClean)
}
func run() -> Int {
for _ in 1...self.iterations {
try! self.channel.writeInbound(self.buffer)
}
return Int(self.buffer.readableBytes)
}
struct Decoder: ByteToMessageDecoder {
typealias InboundOut = Never
func decode(context: ChannelHandlerContext, buffer: inout ByteBuffer) throws -> DecodingState {
if buffer.readSlice(length: 16) == nil {
return .needMoreData
} else {
return .continue
}
}
}
}
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