public async Task ConnectToNonExistentServer_Throws_TimeoutException()
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "notthere"))
{
var ctx = new CancellationTokenSource();
Assert.Throws<TimeoutException>(() => client.Connect(60)); // 60 to be over internal 50 interval
await Assert.ThrowsAsync<TimeoutException>(() => client.ConnectAsync(50));
await Assert.ThrowsAsync<TimeoutException>(() => client.ConnectAsync(60, ctx.Token)); // testing Token overload; ctx is not canceled in this test
}
}
public async Task CancelConnectToNonExistentServer_Throws_OperationCanceledException()
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "notthere"))
{
var ctx = new CancellationTokenSource();
Task clientConnectToken = client.ConnectAsync(ctx.Token);
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => clientConnectToken);
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => client.ConnectAsync(ctx.Token));
}
}
public async Task CancelConnectToNonExistentServer_Throws_OperationCanceledException()
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "notthere"))
{
var ctx = new CancellationTokenSource();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // [ActiveIssue(812, PlatformID.AnyUnix)] - Unix implementation currently ignores timeout and cancellation token once the operation has been initiated
{
Task clientConnectToken = client.ConnectAsync(ctx.Token);
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => clientConnectToken);
}
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => client.ConnectAsync(ctx.Token));
}
}
public async Task PingPong_Async()
{
// Create names for two pipes
string outName = Path.GetRandomFileName();
string inName = Path.GetRandomFileName();
// Create the two named pipes, one for each direction, then create
// another process with which to communicate
using (var outbound = new NamedPipeServerStream(outName, PipeDirection.Out))
using (var inbound = new NamedPipeClientStream(".", inName, PipeDirection.In))
using (RemoteInvoke(PingPong_OtherProcess, outName, inName))
{
// Wait for both pipes to be connected
await Task.WhenAll(outbound.WaitForConnectionAsync(), inbound.ConnectAsync());
// Repeatedly write then read a byte to and from the other process
var data = new byte[1];
for (byte i = 0; i < 10; i++)
{
data[0] = i;
await outbound.WriteAsync(data, 0, data.Length);
data[0] = 0;
int received = await inbound.ReadAsync(data, 0, data.Length);
Assert.Equal(1, received);
Assert.Equal(i, data[0]);
}
}
}
public void InvalidConnectTimeout_Throws_ArgumentOutOfRangeException()
{
using (NamedPipeClientStream client = new NamedPipeClientStream("client1"))
{
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => client.Connect(-111));
Assert.Throws<ArgumentOutOfRangeException>("timeout", () => { client.ConnectAsync(-111); });
}
}
protected override ServerClientPair CreateServerClientPair()
{
ServerClientPair ret = new ServerClientPair();
string pipeName = GetUniquePipeName();
var writeablePipe = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
var readablePipe = new NamedPipeClientStream(".", pipeName, PipeDirection.In, PipeOptions.Asynchronous);
Task clientConnect = readablePipe.ConnectAsync();
writeablePipe.WaitForConnection();
clientConnect.Wait();
ret.readablePipe = readablePipe;
ret.writeablePipe = writeablePipe;
return ret;
}
public async Task <TIn> RequestAsync(TOut request, int timeout, CancellationToken cancellationToken)
{
using (Logger.BeginScope($"{nameof(RequestAsync)}"))
{
using (var stream = new NamedPipeClientStream(ServerName, PipeName))
{
Logger.LogInformation($"Try connect to pipe server.\r\n{ConnectionLogString}");
await stream.ConnectAsync(timeout, cancellationToken);
Logger.LogDebug($"Connected to pipe server.");
return(GetResponse(stream, request));
}
}
}
public async Task RunClient(string args)
{
using (var client = new NamedPipeClientStream(".", _name, PipeDirection.Out))
{
await client.ConnectAsync(ClientConnectTimeoutSeconds * 1000);
using (var sw = new StreamWriter(client)
{
AutoFlush = true
})
{
await sw.WriteAsync(args);
}
}
}
public async Task Send(string message)
{
using (var client = new NamedPipeClientStream(Server.Id))
{
using (var writer = new StreamWriter(client))
{
#if NET40
client.Connect();
#else
await client.ConnectAsync().ConfigureAwait(false);
#endif
await writer.WriteLineAsync(message).ConfigureAwait(false);
}
}
}
public void InvalidReadMode_Throws_ArgumentOutOfRangeException(PipeDirection serverDirection, PipeDirection clientDirection)
{
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, serverDirection, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, clientDirection))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Throws <ArgumentOutOfRangeException>(() => server.ReadMode = (PipeTransmissionMode)999);
Assert.Throws <ArgumentOutOfRangeException>(() => client.ReadMode = (PipeTransmissionMode)999);
}
}
static async Task MainAsync()
{
Console.WriteLine("Connecting to server...");
using (var stream = new NamedPipeClientStream(".", "StreamJsonRpcSamplePipe", PipeDirection.InOut, PipeOptions.Asynchronous))
{
await stream.ConnectAsync();
Console.WriteLine("Connected. Sending request...");
var jsonRpc = JsonRpc.Attach(stream);
int sum = await jsonRpc.InvokeAsync <int>("Add", 3, 5);
Console.WriteLine($"3 + 5 = {sum}");
Console.WriteLine("Terminating stream...");
}
}
public async void StartClient(string pipeName, string monitorSocketAddress, CancellationToken cancellationToken)
{
if (pipeName != null && !_configured)
{
Trace.Info("Connecting to named pipe {0}", pipeName);
_outClient = new NamedPipeClientStream(".", pipeName, PipeDirection.Out, PipeOptions.Asynchronous);
await _outClient.ConnectAsync(cancellationToken);
_writeStream = new StreamWriter(_outClient, Encoding.UTF8);
_configured = true;
Trace.Info("Connection successful to named pipe {0}", pipeName);
}
ConnectMonitor(monitorSocketAddress);
}
public async Task DisposedClientPipe_Throws_ObjectDisposedException()
{
using (NamedPipePair pair = CreateNamedPipePair())
{
pair.Connect();
NamedPipeClientStream pipe = pair.clientStream;
pipe.Dispose();
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Assert.Throws <ObjectDisposedException>(() => pipe.Connect());
await Assert.ThrowsAsync <ObjectDisposedException>(() => pipe.ConnectAsync());
Assert.Throws <ObjectDisposedException>(() => pipe.NumberOfServerInstances);
}
}
protected override async Task <RpcResponseMessage> SendAsync(RpcRequestMessage request, string route = null)
{
RpcLogger rpcLogger = new RpcLogger(_log);
RpcResponseMessage rpcResponseMessage;
try
{
var cancellationTokenSource = new CancellationTokenSource();
cancellationTokenSource.CancelAfter(ConnectionTimeout);
using (var pipeStream = new NamedPipeClientStream(IpcPath))
{
await pipeStream.ConnectAsync(cancellationTokenSource.Token);
string str = JsonConvert.SerializeObject(request, JsonSerializerSettings);
byte[] bytes = Encoding.UTF8.GetBytes(str);
rpcLogger.LogRequest(str);
await pipeStream.WriteAsync(bytes, 0, bytes.Length, cancellationTokenSource.Token);
using (MemoryStream fullResponse = await ReceiveFullResponseAsync(pipeStream, cancellationTokenSource.Token))
{
fullResponse.Position = 0L;
using (StreamReader streamReader = new StreamReader(fullResponse))
{
using (JsonTextReader jsonTextReader = new JsonTextReader(streamReader))
{
RpcResponseMessage responseMessage = JsonSerializer.Create(JsonSerializerSettings).Deserialize <RpcResponseMessage>(jsonTextReader);
rpcLogger.LogResponse(responseMessage);
rpcResponseMessage = responseMessage;
}
}
}
}
}
catch (TaskCanceledException ex)
{
var exception = new RpcClientTimeoutException($"Rpc timeout after {ConnectionTimeout.TotalMilliseconds} milliseconds", ex);
rpcLogger.LogException(exception);
throw exception;
}
catch (Exception ex)
{
var unknownException = new RpcClientUnknownException("Error occurred when trying to send ipc requests(s)", ex);
rpcLogger.LogException(unknownException);
throw unknownException;
}
return(rpcResponseMessage);
}
private async Task RunAsync()
{
var host = BuildServiceHost();
var serverHandler = new StreamRpcServerHandler(host);
var clientHandler = new StreamRpcClientHandler();
var client = new JsonRpcClient(clientHandler);
using (var pipe = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut, PipeOptions.Asynchronous))
{
var connectTask = pipe.ConnectAsync();
hostingClient = BuildHostingClient(client);
serverHandler.DefaultFeatures.Set(this);
var reader = new ByLineTextMessageReader(pipe)
{
LeaveReaderOpen = true
};
var writer = new ByLineTextMessageWriter(pipe)
{
LeaveWriterOpen = true
};
Ambient = new SandboxAmbient(hostingClient, SandboxId);
await connectTask;
using (reader)
using (writer)
using (serverHandler.Attach(reader, writer))
using (clientHandler.Attach(reader, writer))
{
// Started up
hostingClient.NotifyStarted();
// Wait for disposal
await disposalTcs.Task;
}
}
// Dispose
if (_ClientModule != null)
{
if (_ClientModule is IDisposable d)
{
d.Dispose();
}
_ClientModule = null;
}
// Final cleanup.
// The owner will unload appdomain so a ThreadAbortException should be thrown here.
hostCallback.NotifySandboxDisposed(SandboxId);
}
public async Task ConnectAsync(string pipeName)
{
if (_clientStream != null)
{
_clientStream.Close();
}
_pipeName = pipeName;
var clientStream = new NamedPipeClientStream(".", _pipeName, PipeDirection.InOut, PipeOptions.Asynchronous, TokenImpersonationLevel.Impersonation);
await clientStream.ConnectAsync();
clientStream.ReadMode = PipeTransmissionMode.Message;
_clientStream = clientStream;
RegisterForDisposal(clientStream);
}
async public Task SendAsync(Event e)
{
Debug.WriteLine("Event sent: {0}", (object)e.name);
using (var pipe = new NamedPipeClientStream(".", "NextDNS", PipeDirection.Out, PipeOptions.None))
{
await pipe.ConnectAsync(1000).ConfigureAwait(false);
var ms = new MemoryStream();
var ser = new DataContractJsonSerializer(typeof(Event));
ser.WriteObject(ms, e);
ms.WriteByte(Convert.ToByte('\n'));
byte[] json = ms.ToArray();
ms.Close();
await pipe.WriteAsync(json, 0, json.Length).ConfigureAwait(false);
}
}
public void SetAccessControl_NamedPipeStream()
{
string pipeName = GetUniquePipeName();
var server = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
var client = new NamedPipeClientStream(".", pipeName, PipeDirection.In, PipeOptions.Asynchronous);
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.NotNull(server.GetAccessControl());
server.SetAccessControl(new PipeSecurity());
Assert.NotNull(client.GetAccessControl());
client.SetAccessControl(new PipeSecurity());
}
protected override ServerClientPair CreateServerClientPair()
{
ServerClientPair ret = new ServerClientPair();
string pipeName = GetUniquePipeName();
var writeablePipe = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
var readablePipe = new NamedPipeClientStream(".", pipeName, PipeDirection.In, PipeOptions.Asynchronous);
Task clientConnect = readablePipe.ConnectAsync();
writeablePipe.WaitForConnection();
clientConnect.Wait();
ret.readablePipe = readablePipe;
ret.writeablePipe = writeablePipe;
return(ret);
}
#pragma warning disable 1998 // Because in the NET451 code path, there's nothing to await
public override async Task <Stream> Open(string address)
{
_namedPipeClientStream = new NamedPipeClientStream(
".",
address,
PipeDirection.InOut,
PipeOptions.Asynchronous);
#if NET451
_namedPipeClientStream.Connect();
#else
await _namedPipeClientStream.ConnectAsync().ConfigureAwait(false);
#endif
return(_namedPipeClientStream);
}
public static void OSX_BufferSizeNotSupported()
{
int desiredBufferSize = 10;
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Throws <PlatformNotSupportedException>(() => server.InBufferSize);
Assert.Throws <PlatformNotSupportedException>(() => client.OutBufferSize);
}
}
public async Task <bool> ConnectAsync(int timeout)
{
_namedPipeClient = new NamedPipeClientStream(".", _pipeName, PipeDirection.InOut, PipeOptions.Asynchronous);
try
{
await _namedPipeClient.ConnectAsync(timeout);
stream = _namedPipeClient;
_timer.Start();
return(true);
}
catch (TimeoutException)
{
return(false);
}
}
public async ValueTask <Stream> ConnectAsync(SocketsHttpConnectionContext _,
CancellationToken cancellationToken = default)
{
var namedPipe = new NamedPipeClientStream(".", endPoint, PipeDirection.InOut, PipeOptions.Asynchronous,
TokenImpersonationLevel.Identification);
try {
await namedPipe.ConnectAsync(cancellationToken).ConfigureAwait(false);
return(namedPipe);
}
catch {
namedPipe.Dispose();
throw;
}
}
public void Subscribe(EventHandler <TResponse> value)
{
OnData += value;
Task.Run(async() => {
using NamedPipeClientStream stream = new NamedPipeClientStream(pipeName);
using StreamReader reader = new StreamReader(stream);
using StreamWriter writer = new StreamWriter(stream);
await stream.ConnectAsync(5000, _externCancellationToken).ConfigureAwait(false);
await writer.WriteLineAsync(request.ToJson()).ConfigureAwait(false);
await writer.FlushAsync().ConfigureAwait(false);
stream.WaitForPipeDrain();
while (!_externCancellationToken.IsCancellationRequested && !unsubscribeToken.IsCancellationRequested)
{
string responsJson = await reader.ReadLineAsync().ConfigureAwait(false);
StreamlabsOBSResponse response = JsonConvert.DeserializeObject <StreamlabsOBSResponse>(responsJson);
response.JsonResponse = responsJson;
if (response.Results.Value <string>("_type").Equals("SUBSCRIPTION"))
{
OnBegin?.Invoke(this, response);
}
else
if (response.Results.Value <string>("_type").Equals("EVENT"))
{
StreamlabsOBSEvent eventData = response.GetResultFirstOrDefault <StreamlabsOBSEvent>();
OnEvent?.Invoke(this, eventData);
if (typeof(TResponse).IsAssignableFrom(typeof(StreamlabsOBSEvent)))
{
OnData?.Invoke(this, eventData as TResponse);
}
else
{
OnData?.Invoke(this, eventData.GetDataFirstOrDefault <TResponse>());
}
}
else
{
OnUnsupported?.Invoke(this, responsJson);
}
}
},
_externCancellationToken);
}
public override async Task ConnectAsync(TimeSpan timeout = default)
{
timeout = timeout == default ? Timeout.InfiniteTimeSpan : timeout;
_logger?.LogDebug($"Connecting to pipe '{_pipeName}' with timeout '{timeout}'.");
var stream = new NamedPipeClientStream(".", _pipeName, PipeDirection.InOut, PipeOptions.Asynchronous,
_tokenImpersonationLevel);
_channel = new NamedPipeTransportChannel(this, stream);
await stream.ConnectAsync((int)timeout.TotalMilliseconds);
_logger?.LogDebug($"Connected to pipe '{_pipeName}'. Starting message loop.");
RegisterMessageCallback(_channel, HandleReceivedData, false);
RunReaderLoop(_channel, () => OnDisconnected(new ChannelConnectedEventArgs <NamedPipeTransportChannel>(_channel)));
_logger?.LogDebug($"Message loop running.");
}
protected override async Task <StreamPair> CreateConnectedStreamsAsync()
{
string name = FileSystemTest.GetNamedPipeServerStreamName();
var server = new NamedPipeServerStream(name, PipeDirection.In);
var client = new NamedPipeClientStream(".", name, PipeDirection.Out);
await WhenAllOrAnyFailed(server.WaitForConnectionAsync(), client.ConnectAsync());
var fs1 = new FileStream(new SafeFileHandle(server.SafePipeHandle.DangerousGetHandle(), true), FileAccess.Read);
var fs2 = new FileStream(new SafeFileHandle(client.SafePipeHandle.DangerousGetHandle(), true), FileAccess.Write);
server.SafePipeHandle.SetHandleAsInvalid();
client.SafePipeHandle.SetHandleAsInvalid();
return(fs1, fs2);
}
public async Task CreateConnection(string pipeName)
{
Logger?.LogDebug($"Attempting to connect to: {pipeName}");
try
{
client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out, PipeOptions.Asynchronous);
//await client.ConnectAsync(30000);
await client.ConnectAsync(30000).ConfigureAwait(false);
stream = new StreamWriter(client);
Logger?.LogDebug($"Connection established to: {pipeName}");
}
catch (Exception exception)
{
Logger?.LogError(exception.Message);
}
}
public async Task InitializeCodeSearchServiceAsync()
{
if (_jsonRpc != null)
{
return;
}
string clientPath = Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "AzDevOpsInteractiveClient.exe");
string pipeName = $"AzDevOpsClientPipe-{Process.GetCurrentProcess().Id}";
_clientProcess = new Process();
_clientProcess.StartInfo = new ProcessStartInfo(clientPath)
{
Arguments =
$@"--RootDir ""{_repoInfo.RootDir}"" " +
$@"--ProjectUri {_repoInfo.ProjectUri} " +
$@"--ProjectName ""{_repoInfo.ProjectName}"" " +
$@"--RepoName ""{_repoInfo.RepoName}"" " +
$@"--RpcPipeName ""{pipeName}"" ",
UseShellExecute = false,
CreateNoWindow = true,
};
_logger.LogDebug($"FastCodeNav: Launching {clientPath} with arguments '{_clientProcess.StartInfo.Arguments}'");
if (!_clientProcess.Start())
{
_logger.LogError($"FastCodeNav: Failed to launch {clientPath}");
return;
}
_logger.LogDebug($"FastCodeNav: Connecting to search service client with PID {_clientProcess.Id}");
var stream = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut, PipeOptions.Asynchronous);
await stream.ConnectAsync();
_logger.LogDebug($"FastCodeNav: Connected to search service client.");
var jsonRpc = new JsonRpc(stream);
var jsonRpcProxy = jsonRpc.Attach <ICodeSearchService>();
jsonRpc.StartListening();
_jsonRpc = jsonRpc;
_logger.LogDebug($"FastCodeNav: Issuing a warmup RPC request");
_jsonRpc.InvokeAsync("WarmUpAsync").FireAndForget(_logger);
}
protected override async Task <IDuplexPipe> ConnectPipelineAsync(int sendMaxMessageSize, int receiveMaxMessageSize, CancellationToken cancellationToken)
{
// TODO: The URL should be parsed in RpConnectionInfo constructor .
// If invalid an ArgumentException should be thrown there.
if (this.ConnectionInfo.HostUrl is Uri url)
{
#pragma warning disable CA2000 // Dispose objects before losing scope
string pipeName = PipeUri.LookupPipeName(url);
if (string.IsNullOrEmpty(pipeName))
{
throw new RpcCommunicationException(RpcCommunicationStatus.Unavailable, $"Failed to connect to named pipe at '{url}'");
}
NamedPipeClientStream?pipeClientStream = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut, System.IO.Pipes.PipeOptions.Asynchronous);
try
{
await pipeClientStream.ConnectAsync(cancellationToken).ContextFree();
var sendOptions = new System.IO.Pipelines.PipeOptions(
pauseWriterThreshold: sendMaxMessageSize * 2, resumeWriterThreshold: sendMaxMessageSize,
readerScheduler: System.IO.Pipelines.PipeScheduler.Inline,
useSynchronizationContext: false);
var receiveOptions = new System.IO.Pipelines.PipeOptions(
pauseWriterThreshold: receiveMaxMessageSize * 2, resumeWriterThreshold: receiveMaxMessageSize,
readerScheduler: System.IO.Pipelines.PipeScheduler.Inline,
useSynchronizationContext: false);
var connection = new StreamDuplexPipe(pipeClientStream); //, sendOptions, receiveOptions);
pipeClientStream = null; // Prevent disposal
return(connection);
}
finally
{
pipeClientStream?.Dispose();
}
#pragma warning restore CA2000 // Dispose objects before losing scope
}
else
{
throw new InvalidOperationException("Missing connection URL.");
}
}
private async Task Connect(ApiClient <T> oldApi = null)
{
pipe = new NamedPipeClientStream(ServerName, PipeName, PipeDirection.InOut, PipeOptions.Asynchronous);
await pipe.ConnectAsync(cancellationToken.Token);
if (cancellationToken.IsCancellationRequested)
{
return;
}
client = new ApiClient <T>(pipe, pipe, oldApi);
client.Disconnected += Client_Disconnected;
if (oldApi == null)
{
SetupApi?.Invoke(client.Api);
}
client.Start();
}
public async Task Connect(TimeSpan timeout)
{
var stream = new NamedPipeClientStream(".", _pipeName, PipeDirection.InOut, PipeOptions.Asynchronous);
try
{
await stream.ConnectAsync((int)timeout.TotalMilliseconds).ConfigureAwait(false);
}
catch
{
stream.Dispose();
throw;
}
_stream = stream;
_rpc = JsonRpc.Attach(stream, this);
}
private static async Task RunAsync(string[] args, CancellationToken token, ManualResetEvent mre)
{
try
{
using (var pipeStream = new NamedPipeClientStream(".", Constants.PipeName, PipeDirection.InOut, PipeOptions.Asynchronous))
{
await pipeStream.ConnectAsync(token).ConfigureAwait(true);
Console.WriteLine("Connected to server; writing args.");
using (var reader = new StreamReader(pipeStream))
using (var writer = new StreamWriter(pipeStream))
{
writer.WriteLine("Client Args (ProcessId = {0}):", System.Diagnostics.Process.GetCurrentProcess().Id);
for (var i = 0; i < args.Length; i++)
{
var arg = args[i];
writer.WriteLine("\targs[{0}] = {1}", i, arg);
}
writer.WriteLine();
await writer.FlushAsync().ConfigureAwait(true);
Console.WriteLine("Reading full arg set.");
while (!reader.EndOfStream)
{
var line = reader.ReadLine();
if (line == string.Empty)
{
break;
}
Console.WriteLine(line);
}
}
}
}
finally
{
mre.Set();
}
}
public override async Task <Kernel> CreateKernelAsync(NamedPipeConnectionOptions options, KernelInvocationContext context)
{
var clientStream = new NamedPipeClientStream(
".",
options.PipeName,
PipeDirection.InOut,
PipeOptions.Asynchronous, TokenImpersonationLevel.Impersonation);
await clientStream.ConnectAsync();
clientStream.ReadMode = PipeTransmissionMode.Message;
var proxyKernel = CreateProxyKernel(options, clientStream);
return(proxyKernel);
}
private static void PingPong_OtherProcess(string inName, string outName)
{
// Create pipes with the supplied names
using (var inbound = new NamedPipeClientStream(".", inName, PipeDirection.In))
using (var outbound = new NamedPipeServerStream(outName, PipeDirection.Out))
{
// Wait for the connections to be established
Task.WaitAll(inbound.ConnectAsync(), outbound.WaitForConnectionAsync());
// Repeatedly read then write bytes from and to the other process
for (int i = 0; i < 10; i++)
{
int b = inbound.ReadByte();
outbound.WriteByte((byte)b);
}
}
}
public static async Task ServerDisconnectedPipeThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.In))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "testServer3", PipeDirection.Out))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
Assert.Throws <IOException>(() => client.Write(buffer, 0, buffer.Length));
Assert.Throws <IOException>(() => client.WriteByte(123));
Assert.Throws <IOException>(() => client.Flush());
}
if (Interop.IsWindows) // Unix implementation of InOut doesn't fail on server.Write/Read when client disconnects due to allowing for additional connections
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.InOut))
using (NamedPipeClientStream client = new NamedPipeClientStream("testServer3"))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
Assert.Throws <IOException>(() => client.Write(buffer, 0, buffer.Length));
Assert.Throws <IOException>(() => client.WriteByte(123));
Assert.Throws <IOException>(() => client.Flush());
int length = client.Read(buffer, 0, buffer.Length);
Assert.Equal(0, length);
int byt = client.ReadByte();
}
}
}
private static int PingPong_OtherProcess(string inName, string outName)
{
// Create pipes with the supplied names
using (var inbound = new NamedPipeClientStream(".", inName, PipeDirection.In))
using (var outbound = new NamedPipeServerStream(outName, PipeDirection.Out))
{
// Wait for the connections to be established
Task.WaitAll(inbound.ConnectAsync(), outbound.WaitForConnectionAsync());
// Repeatedly read then write bytes from and to the other process
for (int i = 0; i < 10; i++)
{
int b = inbound.ReadByte();
outbound.WriteByte((byte)b);
}
}
return SuccessExitCode;
}
public async Task <Stream> GetBidirectionalStreamAsync(CancellationToken token)
{
NamedPipeClientStream pipeStream = null;
try
{
pipeStream = new NamedPipeClientStream(_serverName, _pipeName, PipeDirection.InOut, _pipeOptions);
await pipeStream.ConnectAsync(_timeoutMs, token).ConfigureAwait(false);
return(pipeStream);
}
catch (Exception ex)
{
Log.Error(ex, "There was a problem connecting to the named pipe");
pipeStream?.Dispose();
throw;
}
}
public void GetAccessControl_NamedPipeServerStream_Broken()
{
string pipeName = GetUniquePipeName();
var server = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous);
var client = new NamedPipeClientStream(".", pipeName, PipeDirection.In, PipeOptions.Asynchronous);
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.NotNull(server.GetAccessControl());
server.SetAccessControl(new PipeSecurity());
Assert.NotNull(client.GetAccessControl());
client.SetAccessControl(new PipeSecurity());
client.Dispose();
Assert.Throws<IOException>(() => server.Write(new byte[] { 0 }, 0, 1)); // Sets the servers PipeState to Broken
server.SetAccessControl(new PipeSecurity());
}
public void PingPong_Sync()
{
// Create names for two pipes
string outName = Path.GetRandomFileName();
string inName = Path.GetRandomFileName();
// Create the two named pipes, one for each direction, then create
// another process with which to communicate
using (var outbound = new NamedPipeServerStream(outName, PipeDirection.Out))
using (var inbound = new NamedPipeClientStream(".", inName, PipeDirection.In))
using (RemoteInvoke(PingPong_OtherProcess, outName, inName))
{
// Wait for both pipes to be connected
Task.WaitAll(outbound.WaitForConnectionAsync(), inbound.ConnectAsync());
// Repeatedly write then read a byte to and from the other process
for (byte i = 0; i < 10; i++)
{
outbound.WriteByte(i);
int received = inbound.ReadByte();
Assert.Equal(i, received);
}
}
}
public static async Task ClientTryConnectedThrows()
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "notthere"))
{
var ctx = new CancellationTokenSource();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // [ActiveIssue(812, PlatformID.AnyUnix)] - Unix implementation currently ignores timeout and cancellation token once the operation has been initiated
{
Assert.Throws<TimeoutException>(() => client.Connect(60)); // 60 to be over internal 50 interval
await Assert.ThrowsAsync<TimeoutException>(() => client.ConnectAsync(50));
await Assert.ThrowsAsync<TimeoutException>(() => client.ConnectAsync(60, ctx.Token));
Task clientConnectToken = client.ConnectAsync(ctx.Token);
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => clientConnectToken);
}
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => client.ConnectAsync(ctx.Token));
}
}
public static void OSX_BufferSizeNotSupported()
{
int desiredBufferSize = 10;
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Throws<PlatformNotSupportedException>(() => server.InBufferSize);
Assert.Throws<PlatformNotSupportedException>(() => client.OutBufferSize);
}
}
public void Unix_MultipleServerDisposal_DoesntDeletePipe()
{
// Test for when multiple servers are created and linked to the same FIFO. The original ServerStream
// that created the FIFO is disposed. The other servers should still be valid and useable.
string serverName = GetUniquePipeName();
var server1 = new NamedPipeServerStream(serverName, PipeDirection.In); // Creates the FIFO
var server2 = new NamedPipeServerStream(serverName, PipeDirection.In);
var client1 = new NamedPipeClientStream(".", serverName, PipeDirection.Out);
var client2 = new NamedPipeClientStream(".", serverName, PipeDirection.Out);
Task server1Task = server1.WaitForConnectionAsync(); // Opens a handle to the FIFO
Task server2Task = server2.WaitForConnectionAsync(); // Opens a handle to the same FIFO as server1
Task client1Task = client1.ConnectAsync();
Task.WaitAll(server1Task, server2Task, client1Task); // client1 connects to server1 AND server2
Assert.True(server1.IsConnected);
Assert.True(server2.IsConnected);
// Get rid of client1/server1 and make sure server2 isn't connected (so that it can connect to client2)
server1.Dispose();
client1.Dispose();
server2.Disconnect();
Assert.False(server2.IsConnected);
server2Task = server2.WaitForConnectionAsync(); // Opens a handle to the same FIFO
Task client2Task = client2.ConnectAsync();
Task.WaitAll(server2Task, client2Task); // Should not block!
Assert.True(server2.IsConnected);
}
public static void ClientUnsupportedOperationThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("unique4", PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "unique4", PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
ConnectedPipeUnsupportedOperationThrows(client);
}
}
public static async Task ClientAllReadyConnectedThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer1", PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "testServer1", PipeDirection.InOut, PipeOptions.Asynchronous))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
Assert.Throws<InvalidOperationException>(() => client.Connect());
var ctx = new CancellationTokenSource();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // [ActiveIssue(812, PlatformID.AnyUnix)] - the cancellation token is ignored after the operation is initiated, due to base Stream's implementation
{
Task clientReadToken = client.ReadAsync(buffer, 0, buffer.Length, ctx.Token);
ctx.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => clientReadToken);
}
ctx.Cancel();
Assert.True(client.ReadAsync(buffer, 0, buffer.Length, ctx.Token).IsCanceled);
var ctx1 = new CancellationTokenSource();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // [ActiveIssue(812, PlatformID.AnyUnix)] - the cancellation token is ignored after the operation is initiated, due to base Stream's implementation
{
Task serverReadToken = server.ReadAsync(buffer, 0, buffer.Length, ctx1.Token);
ctx1.Cancel();
await Assert.ThrowsAnyAsync<OperationCanceledException>(() => serverReadToken);
}
ctx1.Cancel();
Assert.True(server.ReadAsync(buffer, 0, buffer.Length, ctx1.Token).IsCanceled);
}
}
public static async Task ServerDisconnectedPipeThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.In))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "testServer3", PipeDirection.Out))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
Assert.Throws<IOException>(() => client.Write(buffer, 0, buffer.Length));
Assert.Throws<IOException>(() => client.WriteByte(123));
Assert.Throws<IOException>(() => client.Flush());
}
if (Interop.IsWindows) // Unix implementation of InOut doesn't fail on server.Write/Read when client disconnects due to allowing for additional connections
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.InOut))
using (NamedPipeClientStream client = new NamedPipeClientStream("testServer3"))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
Assert.Throws<IOException>(() => client.Write(buffer, 0, buffer.Length));
Assert.Throws<IOException>(() => client.WriteByte(123));
Assert.Throws<IOException>(() => client.Flush());
int length = client.Read(buffer, 0, buffer.Length);
Assert.Equal(0, length);
int byt = client.ReadByte();
}
}
}
public void InvalidReadMode_Throws_ArgumentOutOfRangeException(PipeDirection serverDirection, PipeDirection clientDirection)
{
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, serverDirection, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, clientDirection))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Throws<ArgumentOutOfRangeException>(() => server.ReadMode = (PipeTransmissionMode)999);
Assert.Throws<ArgumentOutOfRangeException>(() => client.ReadMode = (PipeTransmissionMode)999);
}
}
public static async Task ServerDisconnectedPipeThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.In))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "testServer3", PipeDirection.Out))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
OtherSidePipeDisconnectWriteThrows(client);
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // Unix implementation of InOut doesn't fail on server.Write/Read when client disconnects due to allowing for additional connections
{
using (NamedPipeServerStream server = new NamedPipeServerStream("testServer3", PipeDirection.InOut))
using (NamedPipeClientStream client = new NamedPipeClientStream("testServer3"))
{
byte[] buffer = new byte[] { 0, 0, 0, 0 };
Task clientConnect1 = client.ConnectAsync();
server.WaitForConnection();
await clientConnect1;
Assert.True(client.IsConnected);
Assert.True(server.IsConnected);
server.Dispose();
OtherSidePipeDisconnectWriteThrows(client);
OtherSidePipeDisconnectVerifyRead(client);
}
}
}
public static async Task ServerAfterDisconnectThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("unique3", PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "unique3", PipeDirection.In))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
await clientConnect;
Assert.Throws<InvalidOperationException>(() => server.IsMessageComplete);
Assert.Throws<InvalidOperationException>(() => server.WaitForConnection());
await Assert.ThrowsAsync<InvalidOperationException>(() => server.WaitForConnectionAsync());
server.Disconnect();
Assert.Throws<InvalidOperationException>(() => server.Disconnect()); // double disconnect
AfterDisconnectWriteOnlyPipeThrows(server);
}
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) // on Unix, InOut doesn't result in the same Disconnect-based errors due to allowing for other connections
{
using (NamedPipeServerStream server = new NamedPipeServerStream("unique3", PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (NamedPipeClientStream client = new NamedPipeClientStream("unique3"))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
await clientConnect;
Assert.Throws<InvalidOperationException>(() => server.IsMessageComplete);
Assert.Throws<InvalidOperationException>(() => server.WaitForConnection());
await Assert.ThrowsAsync<InvalidOperationException>(() => server.WaitForConnectionAsync());
server.Disconnect();
Assert.Throws<InvalidOperationException>(() => server.Disconnect()); // double disconnect
AfterDisconnectReadWritePipeThrows(server);
}
}
}
public static void ClientConnectTimeoutThrows()
{
using (NamedPipeClientStream client = new NamedPipeClientStream("client1"))
{
Assert.Throws<ArgumentOutOfRangeException>(() => client.Connect(-111));
Assert.Throws<ArgumentOutOfRangeException>(() => NotReachable(client.ConnectAsync(-111)));
}
}
[PlatformSpecific(PlatformID.Windows)] // Unix doesn't currently support message mode
public void Windows_SetReadModeTo__PipeTransmissionModeByte()
{
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
// Throws regardless of connection status for the pipe that is set to PipeDirection.In
Assert.Throws<UnauthorizedAccessException>(() => server.ReadMode = PipeTransmissionMode.Byte);
client.ReadMode = PipeTransmissionMode.Byte;
}
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.In))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
// Throws regardless of connection status for the pipe that is set to PipeDirection.In
Assert.Throws<UnauthorizedAccessException>(() => client.ReadMode = PipeTransmissionMode.Byte);
server.ReadMode = PipeTransmissionMode.Byte;
}
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut, PipeOptions.Asynchronous))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
server.ReadMode = PipeTransmissionMode.Byte;
client.ReadMode = PipeTransmissionMode.Byte;
}
}
public static void Unix_BufferSizeRoundtripping(PipeDirection direction)
{
int desiredBufferSize = 0;
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
desiredBufferSize = server.OutBufferSize * 2;
}
using (var server = new NamedPipeServerStream(pipeName, direction, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, direction == PipeDirection.In ? PipeDirection.Out : PipeDirection.In))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
if ((direction & PipeDirection.Out) != 0)
{
Assert.InRange(server.OutBufferSize, desiredBufferSize, int.MaxValue);
}
if ((direction & PipeDirection.In) != 0)
{
Assert.InRange(server.InBufferSize, desiredBufferSize, int.MaxValue);
}
}
}
public void Unix_SetReadModeTo__PipeTransmissionModeByte()
{
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
server.ReadMode = PipeTransmissionMode.Byte;
client.ReadMode = PipeTransmissionMode.Byte;
}
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.In))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
client.ReadMode = PipeTransmissionMode.Byte;
server.ReadMode = PipeTransmissionMode.Byte;
}
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.InOut, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.InOut, PipeOptions.Asynchronous))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
server.ReadMode = PipeTransmissionMode.Byte;
client.ReadMode = PipeTransmissionMode.Byte;
}
}
public static void Windows_BufferSizeRoundtripping()
{
int desiredBufferSize = 10;
string pipeName = GetUniquePipeName();
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.Out, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.In))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Equal(desiredBufferSize, server.OutBufferSize);
Assert.Equal(desiredBufferSize, client.InBufferSize);
}
using (var server = new NamedPipeServerStream(pipeName, PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous, desiredBufferSize, desiredBufferSize))
using (var client = new NamedPipeClientStream(".", pipeName, PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
Assert.Equal(desiredBufferSize, server.InBufferSize);
Assert.Equal(0, client.OutBufferSize);
}
}
public static void ServerReadOnlyThrows()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("unique3", PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.Asynchronous))
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "unique3", PipeDirection.Out))
{
Task clientConnect = client.ConnectAsync();
server.WaitForConnection();
clientConnect.Wait();
ConnectedPipeReadOnlyThrows(server);
}
}