| #region Copyright notice and license |
| |
| // Copyright 2019 The gRPC Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #endregion |
| |
| using System; |
| using System.Collections.Generic; |
| using System.Net.Sockets; |
| using System.Linq; |
| using System.Threading; |
| using System.Threading.Tasks; |
| using Grpc.Core; |
| using Grpc.Core.Logging; |
| using Grpc.Core.Utils; |
| using Grpc.Testing; |
| using NUnit.Framework; |
| |
| namespace Grpc.IntegrationTesting |
| { |
| /// <summary> |
| /// See https://github.com/grpc/issues/18074, this test is meant to |
| /// try to trigger the described bug. |
| /// Runs interop tests in-process, with that client using a target |
| /// name that using a target name that triggers interaction with |
| /// external DNS servers (even though it resolves to the in-proc server). |
| /// </summary> |
| public class ExternalDnsWithTracingClientServerTest |
| { |
| Server server; |
| Channel channel; |
| TestService.TestServiceClient client; |
| SocketUsingLogger newLogger; |
| |
| [OneTimeSetUp] |
| public void Init() |
| { |
| // TODO(https://github.com/grpc/grpc/issues/14963): on linux, setting |
| // these environment variables might not actually have any affect. |
| // This is OK because we only really care about running this test on |
| // Windows, however, a fix made for $14963 should be applied here. |
| Environment.SetEnvironmentVariable("GRPC_TRACE", "all"); |
| Environment.SetEnvironmentVariable("GRPC_VERBOSITY", "DEBUG"); |
| newLogger = new SocketUsingLogger(GrpcEnvironment.Logger); |
| GrpcEnvironment.SetLogger(newLogger); |
| // Disable SO_REUSEPORT to prevent https://github.com/grpc/grpc/issues/10755 |
| server = new Server(new[] { new ChannelOption(ChannelOptions.SoReuseport, 0) }) |
| { |
| Services = { TestService.BindService(new TestServiceImpl()) }, |
| Ports = { { "[::1]", ServerPort.PickUnused, ServerCredentials.Insecure } } |
| }; |
| server.Start(); |
| |
| int port = server.Ports.Single().BoundPort; |
| channel = new Channel("loopback6.unittest.grpc.io", port, ChannelCredentials.Insecure); |
| client = new TestService.TestServiceClient(channel); |
| } |
| |
| [OneTimeTearDown] |
| public void Cleanup() |
| { |
| channel.ShutdownAsync().Wait(); |
| server.ShutdownAsync().Wait(); |
| } |
| |
| [Test] |
| public void EmptyUnary() |
| { |
| InteropClient.RunEmptyUnary(client); |
| } |
| } |
| |
| /// <summary> |
| /// Logger which does some socket operation after delegating |
| /// actual logging to its delegate logger. The main goal is to |
| /// reset the current thread's WSA error status. |
| /// The only reason for the delegateLogger is to continue |
| /// to have this test display debug logs. |
| /// </summary> |
| internal sealed class SocketUsingLogger : ILogger |
| { |
| private ILogger delegateLogger; |
| |
| public SocketUsingLogger(ILogger delegateLogger) { |
| this.delegateLogger = delegateLogger; |
| } |
| |
| public void Debug(string message) |
| { |
| MyLog(() => delegateLogger.Debug(message)); |
| } |
| |
| public void Debug(string format, params object[] formatArgs) |
| { |
| MyLog(() => delegateLogger.Debug(format, formatArgs)); |
| } |
| |
| public void Error(string message) |
| { |
| MyLog(() => delegateLogger.Error(message)); |
| } |
| |
| public void Error(Exception exception, string message) |
| { |
| MyLog(() => delegateLogger.Error(exception, message)); |
| } |
| |
| public void Error(string format, params object[] formatArgs) |
| { |
| MyLog(() => delegateLogger.Error(format, formatArgs)); |
| } |
| |
| public ILogger ForType<T>() |
| { |
| return this; |
| } |
| |
| public void Info(string message) |
| { |
| MyLog(() => delegateLogger.Info(message)); |
| } |
| |
| public void Info(string format, params object[] formatArgs) |
| { |
| MyLog(() => delegateLogger.Info(format, formatArgs)); |
| } |
| |
| public void Warning(string message) |
| { |
| MyLog(() => delegateLogger.Warning(message)); |
| } |
| |
| public void Warning(Exception exception, string message) |
| { |
| MyLog(() => delegateLogger.Warning(exception, message)); |
| } |
| |
| public void Warning(string format, params object[] formatArgs) |
| { |
| MyLog(() => delegateLogger.Warning(format, formatArgs)); |
| } |
| |
| private void MyLog(Action delegateLog) |
| { |
| delegateLog(); |
| // Create and close a socket, just in order to affect |
| // the WSA (on Windows) error status of the current thread. |
| Socket s = new Socket(AddressFamily.InterNetwork, |
| SocketType.Stream, |
| ProtocolType.Tcp); |
| |
| s.Dispose(); |
| } |
| } |
| } |