wehub-resource-sync
e84fb4a79e
container project - merge build / Invoke build (push) Successful in 1s
111 lines
4.6 KiB
Swift
111 lines
4.6 KiB
Swift
//===----------------------------------------------------------------------===//
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// Copyright © 2025-2026 Apple Inc. and the container 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 Logging
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import NIO
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import Testing
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@testable import SocketForwarder
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struct UDPForwarderTest {
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let eventLoopGroup = MultiThreadedEventLoopGroup(numberOfThreads: System.coreCount)
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@Test
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func testUDPForwarder() async throws {
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let requestCount = 100
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var responses: [String] = []
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// bring up server on ephemeral port and get address
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let serverAddress = try SocketAddress(ipAddress: "127.0.0.1", port: 0)
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let server = UDPEchoServer(serverAddress: serverAddress, eventLoopGroup: eventLoopGroup)
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let serverChannel = try await server.run().get()
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let actualServerAddress = try #require(serverChannel.localAddress)
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// bring up proxy on ephemeral port and get address
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let proxyAddress = try SocketAddress(ipAddress: "127.0.0.1", port: 0)
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let forwarder = try UDPForwarder(
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proxyAddress: proxyAddress,
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serverAddress: actualServerAddress,
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eventLoopGroup: eventLoopGroup
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)
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let forwarderResult = try await forwarder.run().get()
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let actualProxyAddress = try #require(forwarderResult.proxyAddress)
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// send a bunch of messages and collect them
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print("testUDPForwarder: send messages")
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try await withThrowingTaskGroup(of: String.self) { group in
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for i in 0..<requestCount {
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group.addTask {
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var response: String = "\(i): error"
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let channel = try await DatagramBootstrap(group: self.eventLoopGroup)
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.connect(to: actualProxyAddress) { channel in
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channel.eventLoop.makeCompletedFuture {
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try NIOAsyncChannel(
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wrappingChannelSynchronously: channel,
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configuration: NIOAsyncChannel.Configuration(
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inboundType: AddressedEnvelope<ByteBuffer>.self,
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outboundType: AddressedEnvelope<ByteBuffer>.self
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)
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)
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}
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}
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try await channel.executeThenClose { inbound, outbound in
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let remoteAddress = try #require(channel.channel.remoteAddress)
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let data = ByteBufferAllocator().buffer(string: "\(i): success-udp")
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try await outbound.write(AddressedEnvelope<ByteBuffer>(remoteAddress: remoteAddress, data: data))
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for try await inboundData in inbound {
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response = String(buffer: inboundData.data)
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break
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}
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}
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return response
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}
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}
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for try await response in group {
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responses.append(response)
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}
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}
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// close everything down
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print("testUDPForwarder: close server")
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serverChannel.eventLoop.execute { _ = serverChannel.close() }
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try await serverChannel.closeFuture.get()
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print("testUDPForwarder: close forwarder")
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forwarderResult.close()
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try await forwarderResult.wait()
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// verify all expected messages
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print("testUDPForwarder: validate responses")
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let sortedResponses = try responses.sorted { (a, b) in
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let aParts = a.split(separator: ":")
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let bParts = b.split(separator: ":")
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#expect(aParts.count > 1)
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#expect(bParts.count > 1)
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let aIndex = try #require(Int(aParts[0]))
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let bIndex = try #require(Int(bParts[0]))
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return aIndex < bIndex
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}
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#expect(sortedResponses.count == requestCount)
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for i in 0..<requestCount {
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#expect(sortedResponses[i] == "\(i): success-udp")
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}
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}
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}
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