private async Task<UserProfileResultMock> CreateProfileClientTestWorkerAsync(string input, CancellationToken ct = default(CancellationToken)) {
string jsonResp = null;
using (NamedPipeClientStream client = new NamedPipeClientStream("Microsoft.R.Host.UserProfile.Creator{b101cc2d-156e-472e-8d98-b9d999a93c7a}")) {
await client.ConnectAsync(ct);
byte[] data = Encoding.Unicode.GetBytes(input);
await client.WriteAsync(data, 0, data.Length, ct);
await client.FlushAsync(ct);
byte[] responseRaw = new byte[1024];
var bytesRead = await client.ReadAsync(responseRaw, 0, responseRaw.Length, ct);
jsonResp = Encoding.Unicode.GetString(responseRaw, 0, bytesRead);
}
return Json.DeserializeObject<UserProfileResultMock>(jsonResp);
}
private static async Task<String> IssueClientRequestAsync(String serverName, String message)
{
using (var pipe = new NamedPipeClientStream(serverName, "PipeName", PipeDirection.InOut,
PipeOptions.Asynchronous | PipeOptions.WriteThrough))
{
pipe.Connect(); // Прежде чем задавать ReadMode, необходимо
pipe.ReadMode = PipeTransmissionMode.Message; // вызвать Connect
// Асинхронная отправка данных серверу
Byte[] request = Encoding.UTF8.GetBytes(message);
await pipe.WriteAsync(request, 0, request.Length);
// Асинхронное чтение ответа сервера
Byte[] response = new Byte[1000];
Int32 bytesRead = await pipe.ReadAsync(response, 0, response.Length);
return Encoding.UTF8.GetString(response, 0, bytesRead);
} // Закрытие канала
}
private async Task<RUserProfileServiceResponse> ProfileWorkerAsync(string name, string log, RUserProfileServiceRequest request, CancellationToken ct) {
using (NamedPipeClientStream client = new NamedPipeClientStream(name)) {
try {
await client.ConnectAsync(ct);
string jsonReq = JsonConvert.SerializeObject(request);
byte[] data = Encoding.Unicode.GetBytes(jsonReq.ToString());
await client.WriteAsync(data, 0, data.Length, ct);
await client.FlushAsync(ct);
byte[] responseRaw = new byte[1024];
var bytesRead = await client.ReadAsync(responseRaw, 0, responseRaw.Length, ct);
string jsonResp = Encoding.Unicode.GetString(responseRaw, 0, bytesRead);
return Json.DeserializeObject<RUserProfileServiceResponse>(jsonResp);
} catch (Exception ex) when (!ex.IsCriticalException()) {
_logger.LogError(log, request.Username);
return RUserProfileServiceResponse.Blank;
}
}
}
/// <summary>
/// The IsConnected property on named pipes does not detect when the client has disconnected
/// if we don't attempt any new I/O after the client disconnects. We start an async I/O here
/// which serves to check the pipe for disconnection.
///
/// This will return true if the pipe was disconnected.
/// </summary>
private static async Task CreateMonitorDisconnectTask(
NamedPipeClientStream pipeStream,
CancellationToken cancellationToken)
{
// Ignore this warning because the desktop projects don't target 4.6 yet
#pragma warning disable RS0007 // Avoid zero-length array allocations.
var buffer = new byte[0];
#pragma warning restore RS0007 // Avoid zero-length array allocations.
while (!cancellationToken.IsCancellationRequested && pipeStream.IsConnected)
{
// Wait a tenth of a second before trying again
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
try
{
Log("Before poking pipe.");
await pipeStream.ReadAsync(buffer, 0, 0, cancellationToken).ConfigureAwait(false);
Log("After poking pipe.");
}
// Ignore cancellation
catch (OperationCanceledException) { }
catch (Exception e)
{
// It is okay for this call to fail. Errors will be reflected in the
// IsConnected property which will be read on the next iteration of the
LogException(e, "Error poking pipe");
}
}
}
/// <summary>
/// The IsConnected property on named pipes does not detect when the client has disconnected
/// if we don't attempt any new I/O after the client disconnects. We start an async I/O here
/// which serves to check the pipe for disconnection.
///
/// This will return true if the pipe was disconnected.
/// </summary>
private static async Task CreateMonitorDisconnectTask(
NamedPipeClientStream pipeStream,
CancellationToken cancellationToken)
{
var buffer = new byte[0];
while (!cancellationToken.IsCancellationRequested && pipeStream.IsConnected)
{
// Wait a tenth of a second before trying again
await Task.Delay(100, cancellationToken).ConfigureAwait(false);
try
{
Log("Before poking pipe.");
await pipeStream.ReadAsync(buffer, 0, 0, cancellationToken).ConfigureAwait(false);
Log("After poking pipe.");
}
// Ignore cancellation
catch (OperationCanceledException) { }
catch (Exception e)
{
// It is okay for this call to fail. Errors will be reflected in the
// IsConnected property which will be read on the next iteration of the
LogException(e, "Error poking pipe");
}
}
}
public static async Task ClientPInvokeChecks()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("foo", PipeDirection.In, 1, PipeTransmissionMode.Byte, PipeOptions.None, 4096, 4096))
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "foo", PipeDirection.Out))
{
Task serverTask = DoServerOperationsAsync(server);
client.Connect();
Assert.False(client.CanRead);
Assert.False(client.CanSeek);
Assert.False(client.CanTimeout);
Assert.True(client.CanWrite);
Assert.False(client.IsAsync);
Assert.True(client.IsConnected);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Assert.Equal(0, client.OutBufferSize);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Assert.True(client.OutBufferSize > 0);
}
else
{
Assert.Throws<PlatformNotSupportedException>(() => client.OutBufferSize);
}
Assert.Equal(PipeTransmissionMode.Byte, client.ReadMode);
Assert.NotNull(client.SafePipeHandle);
Assert.Equal(PipeTransmissionMode.Byte, client.TransmissionMode);
client.Write(new byte[] { 123 }, 0, 1);
await client.WriteAsync(new byte[] { 124 }, 0, 1);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
client.WaitForPipeDrain();
}
else
{
Assert.Throws<PlatformNotSupportedException>(() => client.WaitForPipeDrain());
}
client.Flush();
await serverTask;
}
}
using (NamedPipeServerStream server = new NamedPipeServerStream("foo", PipeDirection.Out))
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "foo", PipeDirection.In))
{
Task serverTask = DoServerOperationsAsync(server);
client.Connect();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Assert.Equal(0, client.InBufferSize);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Assert.True(client.InBufferSize > 0);
}
else
{
Assert.Throws<PlatformNotSupportedException>(() => client.InBufferSize);
}
byte[] readData = new byte[] { 0, 1 };
Assert.Equal(1, client.Read(readData, 0, 1));
Assert.Equal(1, client.ReadAsync(readData, 1, 1).Result);
Assert.Equal(123, readData[0]);
Assert.Equal(124, readData[1]);
await serverTask;
}
}
}
public static void ClientPInvokeChecks()
{
using (NamedPipeServerStream server = new NamedPipeServerStream("foo", PipeDirection.In))
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "foo", PipeDirection.Out))
{
Task serverTask = DoServerOperationsAsync(server);
client.Connect();
Console.WriteLine("client.CanRead = {0}", client.CanRead);
Console.WriteLine("client.CanSeek = {0}", client.CanSeek);
Console.WriteLine("client.CanTimeout = {0}", client.CanTimeout);
Console.WriteLine("client.CanWrite = {0}", client.CanWrite);
Console.WriteLine("client.IsAsync = {0}", client.IsAsync);
Console.WriteLine("client.IsConnected = {0}", client.IsConnected);
Console.WriteLine("client.OutBufferSize = {0}", client.OutBufferSize);
Console.WriteLine("client.ReadMode = {0}", client.ReadMode);
Console.WriteLine("client.SafePipeHandle = {0}", client.SafePipeHandle);
Console.WriteLine("client.TransmissionMode = {0}", client.TransmissionMode);
client.Write(new byte[] { 123 }, 0, 1);
client.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
client.WaitForPipeDrain();
client.Flush();
serverTask.Wait();
}
}
using (NamedPipeServerStream server = new NamedPipeServerStream("foo", PipeDirection.Out))
{
using (NamedPipeClientStream client = new NamedPipeClientStream(".", "foo", PipeDirection.In))
{
Task serverTask = DoServerOperationsAsync(server);
client.Connect();
Console.WriteLine("client.InBufferSize = {0}", client.InBufferSize);
byte[] readData = new byte[] { 0, 1 };
client.Read(readData, 0, 1);
client.ReadAsync(readData, 1, 1).Wait();
Assert.Equal(123, readData[0]);
Assert.Equal(124, readData[1]);
serverTask.Wait();
}
}
}
