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Microsoft.VisualStudio.TestPlatform.CommunicationUtilities
LengthPrefixCommunicationChannel

How to use LengthPrefixCommunicationChannel class of Microsoft.VisualStudio.TestPlatform.CommunicationUtilities package

Best Vstest code snippet using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.LengthPrefixCommunicationChannel

LengthPrefixCommunicationChannel.cs

Source:LengthPrefixCommunicationChannel.cs

...12    using Microsoft.VisualStudio.TestPlatform.Utilities;13    /// <summary>14    /// A communication channel using a length prefix packet frame for communication.15    /// </summary>16    public class LengthPrefixCommunicationChannel : ICommunicationChannel17    {18        private readonly BinaryReader reader;19        private readonly BinaryWriter writer;20        /// <summary>21        /// Sync object for sending messages22        /// Write for binarywriter is NOT thread-safe23        /// </summary>24        private object writeSyncObject = new object();25        public LengthPrefixCommunicationChannel(Stream stream)26        {27            this.reader = new BinaryReader(stream, Encoding.UTF8, true);28            // Using the Buffered stream while writing, improves the write performance. By reducing the number of writes.29            this.writer = new BinaryWriter(new PlatformStream().CreateBufferedStream(stream, SocketConstants.BufferSize), Encoding.UTF8, true);30        }31        /// <inheritdoc />32        public event EventHandler<MessageReceivedEventArgs> MessageReceived;33        /// <inheritdoc />34        public Task Send(string data)35        {36            try37            {38                // Writing Message on binarywriter is not Thread-Safe39                // Need to sync one by one to avoid buffer corruption40                lock (this.writeSyncObject)41                {42                    this.writer.Write(data);43                    this.writer.Flush();44                }45            }46            catch (Exception ex)47            {48                EqtTrace.Error("LengthPrefixCommunicationChannel.Send: Error sending data: {0}.", ex);49                throw new CommunicationException("Unable to send data over channel.", ex);50            }51            return Task.FromResult(0);52        }53        /// <inheritdoc />54        public Task NotifyDataAvailable()55        {56            // Try read data even if no one is listening to the data stream. Some server57            // implementations (like Sockets) depend on the read operation to determine if a58            // connection is closed.59            if (this.MessageReceived != null)60            {61                var data = this.reader.ReadString();62                this.MessageReceived.SafeInvoke(this, new MessageReceivedEventArgs { Data = data }, "LengthPrefixCommunicationChannel: MessageReceived");63            }64            return Task.FromResult(0);65        }66        /// <inheritdoc />67        public void Dispose()68        {69            EqtTrace.Verbose("LengthPrefixCommunicationChannel.Dispose: Dispose reader and writer.");70            this.reader.Dispose();71            this.writer.Dispose();72            GC.SuppressFinalize(this);73        }74    }75}...

LengthPrefixCommunicationChannel

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;3using System;4{5    {6        static void Main(string[] args)7        {8            var channel = new LengthPrefixCommunicationChannel("

LengthPrefixCommunicationChannel

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using System;3using System.IO;4using System.Text;5using System.Threading;6{7    {8        static void Main(string[] args)9        {10            var channel = new LengthPrefixCommunicationChannel("3");11            channel.Start();12            channel.WaitForClientConnection(10000);13            channel.MessageReceived += Channel_MessageReceived;14        }15        private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)16        {17            Console.WriteLine(Encoding.UTF8.GetString(e.Data));18        }19    }20}21using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;22using System;23using System.IO;24using System.Text;25using System.Threading;26{27    {28        static void Main(string[] args)29        {30            var channel = new LengthPrefixCommunicationChannel("4");31            channel.Start();32            channel.WaitForClientConnection(10000);33            channel.MessageReceived += Channel_MessageReceived;34        }35        private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)36        {37            Console.WriteLine(Encoding.UTF8.GetString(e.Data));38        }39    }40}41using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;42using System;43using System.IO;44using System.Text;45using System.Threading;46{47    {48        static void Main(string[] args)49        {50            var channel = new LengthPrefixCommunicationChannel("5");51            channel.Start();52            channel.WaitForClientConnection(10000);53            channel.MessageReceived += Channel_MessageReceived;54        }55        private static void Channel_MessageReceived(object sender, MessageReceivedEventArgs e)56        {57            Console.WriteLine(Encoding.UTF8.GetString(e.Data));58        }59    }60}61using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;62using System;63using System.IO;64using System.Text;65using System.Threading;66{67    {68        static void Main(string[] args)69        {70            var channel = new LengthPrefixCommunicationChannel("6");71            channel.Start();72            channel.WaitForClientConnection(10000);

LengthPrefixCommunicationChannel

Using AI Code Generation

1using System;2using System.IO;3using System.Net;4using System.Net.Sockets;5using System.Text;6using System.Threading;7using System.Threading.Tasks;8using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;9{10    {11        static void Main(string[] args)12        {13            Task.Run(() => { StartClient(); });14            StartServer();15        }16        private static void StartClient()17        {18            var client = new TcpClient("

LengthPrefixCommunicationChannel

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.IO;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;8using Microsoft.VisualStudio.TestPlatform.ObjectModel;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;11{12    {13        static void Main(string[] args)14        {15            string testHostPath = @"C:\Program Files (x86)\Microsoft Visual Studio\2017\Enterprise\Common7\IDE\CommonExtensions\Microsoft\TestWindow\vstest.console.exe";16            string testHostArgs = @"C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug\testhosttest.dll /TestAdapterPath:C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug";17            var processHelper = new ProcessHelper();18            var process = processHelper.LaunchProcess(testHostPath, testHostArgs, null, null, null, null, false);19            var protocolConfig = new ProtocolConfig();20            var communicationManager = new SocketCommunicationManager();21            communicationManager.InitializeCommunication();22            var lengthPrefixCommunicationChannel = new LengthPrefixCommunicationChannel(communicationManager, protocolConfig);23            lengthPrefixCommunicationChannel.SendMessage(MessageType.VersionCheck);24            var message = lengthPrefixCommunicationChannel.ReceiveMessage();25            if (message.MessageType == MessageType.VersionCheck)26            {27                lengthPrefixCommunicationChannel.SendMessage(MessageType.VersionCheck, 15);28            }29            {30                throw new Exception("Unexpected message type received");31            }32            lengthPrefixCommunicationChannel.SendMessage(MessageType.StartTestExecutionWithSources, new List<string>() { @"C:\Users\username\Desktop\testhosttest\testhosttest\bin\Debug\testhosttest.dll" });33            var message1 = lengthPrefixCommunicationChannel.ReceiveMessage();34            if (message1.MessageType == MessageType.TestMessage)35            {36                var testMessagePayload = message1.GetPayload<TestMessagePayload>();37                Console.WriteLine(testMessagePayload.Message);38            }39            {40                throw new Exception("Unexpected message type received");41            }42            var message2 = lengthPrefixCommunicationChannel.ReceiveMessage();43            if (message2.MessageType == MessageType.ExecutionComplete)44            {45                var testRunCompletePayload = message2.GetPayload<TestRunCompletePayload>();46                Console.WriteLine(testRunCompletePayload.IsAb

LengthPrefixCommunicationChannel

Using AI Code Generation

1using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;2using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities.Interfaces;3using System;4{5    {6        static void Main(string[] args)7        {8            var channel = new LengthPrefixCommunicationChannel("

LengthPrefixCommunicationChannel

Using AI Code Generation

1channel.Start();2channel.Send(new Message() { MessageType = MessageType.VersionCheck, Payload = new VersionCheck() { Version = "1.2.3" } });3{4    public void Handle(Message message)5    {6        Console.WriteLine("Received message of type: {0}", message.MessageType);7    }8}

LengthPrefixCommunicationChannel

Using AI Code Generation

1using System;2using System.IO;3using System.Threading;4using System.Threading.Tasks;5using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;6using Microsoft.VisualStudio.TestPlatform.ObjectModel;7using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client;8using Microsoft.VisualStudio.TestPlatform.ObjectModel.Client.Interfaces;9using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine;10using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.ClientProtocol;11using Microsoft.VisualStudio.TestPlatform.ObjectModel.Engine.TesthostProtocol;12using Microsoft.VisualStudio.TestPlatform.ObjectModel.Logging;13{14    {15        private ITestHostLauncher customLauncher;16        private TestProcessStartInfo customTestHostStartInfo;17        private ICommunicationManager communicationManager;18        private ITestHostLauncher defaultLauncher;19        private TestProcessStartInfo defaultTestHostStartInfo;20        private bool isInitialized;21        private ManualResetEventSlim testHostExited;22        private ITestHostLauncher testHostLauncher;23        private TestProcessStartInfo testHostStartInfo;24        private ManualResetEventSlim testHostLaunched;25        public TestHostManager()26        {27            this.defaultLauncher = new DefaultTestHostLauncher();28            this.defaultTestHostStartInfo = new TestProcessStartInfo();29            this.testHostExited = new ManualResetEventSlim(false);30            this.testHostLaunched = new ManualResetEventSlim(false);31            this.isInitialized = false;32        }33        public event EventHandler<HostProviderEventArgs> HostLaunched;34        public event EventHandler<HostProviderEventArgs> HostExited;35        public event EventHandler<HostProviderEventArgs> HostProviderError;36        public void Initialize(TestProcessStartInfo defaultTestHostStartInfo, ITestHostLauncher defaultLauncher, TestProcessStartInfo customTestHostStartInfo, ITestHostLauncher customLauncher)37        {38            this.defaultTestHostStartInfo = defaultTestHostStartInfo;39            this.defaultLauncher = defaultLauncher;40            this.customTestHostStartInfo = customTestHostStartInfo;41            this.customLauncher = customLauncher;42            this.isInitialized = true;43        }44        public bool LaunchTestHost(TestProcessStartInfo testHostStartInfo)45        {46            if (!this.isInitialized)47            {48                throw new InvalidOperationException("TestHostManager is not initialized.");

LengthPrefixCommunicationChannel

Using AI Code Generation

1using System;2using System.IO;3using System.IO.Pipes;4using System.Text;5using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;6{7    {8        static void Main(string[] args)9        {10            string pipeName = "test";11            NamedPipeClientStream pipeClient = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut);12            Console.WriteLine("Connecting to server...");13            pipeClient.Connect();14            Console.WriteLine("Connected to server.");15            var channel = new LengthPrefixCommunicationChannel(pipeClient, pipeClient);16            channel.SendMessage(new Message() { MessageType = MessageType.VersionCheck, Payload = Encoding.UTF8.GetBytes("1.0") });17            var message = channel.ReceiveMessage();18            Console.WriteLine($"Received message: {Encoding.UTF8.GetString(message.Payload)}");19            Console.ReadKey();20        }21    }22}23using System;24using System.IO;25using System.IO.Pipes;26using System.Text;27using Microsoft.VisualStudio.TestPlatform.CommunicationUtilities;28{29    {30        static void Main(string[] args)31        {32            string pipeName = "test";33            NamedPipeServerStream pipeServer = new NamedPipeServerStream(pipeName, PipeDirection.InOut);34            Console.WriteLine("Waiting for client connection...");35            pipeServer.WaitForConnection();36            Console.WriteLine("Client connected.");37            var channel = new LengthPrefixCommunicationChannel(pipeServer, pipeServer);38            var message = channel.ReceiveMessage();39            Console.WriteLine($"Received message: {Encoding.UTF8.GetString(message.Payload)}");40            channel.SendMessage(new Message() { MessageType = MessageType.VersionCheck, Payload = Encoding.UTF8.GetBytes("1.0") });41            Console.ReadKey();42        }43    }44}

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