/// <summary>
/// Send an object to the specified anonymous out pipe.
/// </summary>
/// <param name="pipeWriter">The pipe to write to.</param>
/// <param name="obj">The object to send.</param>
public static void SendObjectToPipe(AnonymousPipeClientStream pipeWriter, object obj)
{
var objStream = ReflectionUtilities.BinarySerialise(obj) as MemoryStream;
// Write the number of bytes
var numBytes = Convert.ToInt32(objStream.Length);
var intBuffer = BitConverter.GetBytes(numBytes);
pipeWriter.Write(intBuffer, 0, 4);
// Write the objStream.
pipeWriter.Write(objStream.ToArray(), 0, numBytes);
}
public static void ClientSendsByteServerReceives()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.True(server.IsConnected);
server.ReadMode = PipeTransmissionMode.Byte;
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
Assert.True(server.IsConnected);
Assert.True(client.IsConnected);
client.ReadMode = PipeTransmissionMode.Byte;
byte[] sent = new byte[] { 123 };
byte[] received = new byte[] { 0 };
client.Write(sent, 0, 1);
server.DisposeLocalCopyOfClientHandle();
Assert.Equal(1, server.Read(received, 0, 1));
Assert.Equal(sent[0], received[0]);
}
// not sure why the following isn't thrown because pipe is broken
//Assert.Throws<System.IO.IOException>(() => server.ReadByte());
}
}
public void ClientClosesPipe_ServerReceivesEof()
{
using (var pipe = new AnonymousPipeServerStream(PipeDirection.In, HandleInheritability.Inheritable))
using (var remote = RemoteExecutor.Invoke(new Action <string>(ChildFunc), pipe.GetClientHandleAsString(), new RemoteInvokeOptions {
CheckExitCode = false
}))
{
pipe.DisposeLocalCopyOfClientHandle();
for (int i = 1; i <= 5; i++)
{
Assert.Equal(i, pipe.ReadByte());
}
Assert.Equal(-1, pipe.ReadByte());
remote.Process.Kill();
}
void ChildFunc(string clientHandle)
{
using (var pipe = new AnonymousPipeClientStream(PipeDirection.Out, clientHandle))
{
pipe.Write(new byte[] { 1, 2, 3, 4, 5 }, 0, 5);
}
Thread.CurrentThread.Join();
}
}
static void DoCommand(RPCMethodId id, string[] args)
{
var inPipe = new AnonymousPipeClientStream(PipeDirection.In,
Environment.GetEnvironmentVariable("IN_PIPE_HANDLE"));
var outPipe = new AnonymousPipeClientStream(PipeDirection.Out,
Environment.GetEnvironmentVariable("OUT_PIPE_HANDLE"));
var tag = (args.Length >= 1) ? args[0] : "";
var bytes = RPCTypes.Serialize(id, tag);
outPipe.Write(bytes, 0, bytes.Length);
var ret = RPCTypes.Deserialize(inPipe).Result;
Console.WriteLine((string)ret.arg);
}
public static void DisposeLocalCopyOfClientHandle_BeforeServerRead()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
byte[] sent = new byte[] { 123 };
byte[] received = new byte[] { 0 };
client.Write(sent, 0, 1);
server.DisposeLocalCopyOfClientHandle();
Assert.Equal(1, server.Read(received, 0, 1));
Assert.Equal(sent[0], received[0]);
}
}
public static void DisposeLocalCopyOfClientHandle_BeforeServerRead()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
byte[] sent = new byte[] { 123 };
byte[] received = new byte[] { 0 };
client.Write(sent, 0, 1);
server.DisposeLocalCopyOfClientHandle();
Assert.Equal(1, server.Read(received, 0, 1));
Assert.Equal(sent[0], received[0]);
}
}
}
public static void ClientPInvokeChecks()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
Task serverTask = Task.Run(() => DoStreamOperations(server));
Assert.False(client.CanRead);
Assert.False(client.CanSeek);
Assert.False(client.CanTimeout);
Assert.True(client.CanWrite);
Assert.False(client.IsAsync);
Assert.True(client.IsConnected);
Assert.Equal(0, 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);
client.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
client.WaitForPipeDrain();
client.Flush();
serverTask.Wait();
}
}
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.In, server.ClientSafePipeHandle))
{
Task serverTask = Task.Run(() => DoStreamOperations(server));
Assert.Equal(4096, 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]);
serverTask.Wait();
}
}
}
public static void ClientPInvokeChecks()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
Task serverTask = DoServerOperationsAsync(server);
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 (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.In, server.ClientSafePipeHandle))
{
Task serverTask = DoServerOperationsAsync(server);
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();
}
}
}
public static void ClientSendsByteServerReceives()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.True(server.IsConnected);
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
Assert.True(server.IsConnected);
Assert.True(client.IsConnected);
byte[] sent = new byte[] { 123 };
byte[] received = new byte[] { 0 };
client.Write(sent, 0, 1);
Assert.Equal(1, server.Read(received, 0, 1));
Assert.Equal(sent[0], received[0]);
}
}
}
public static async Task ClientPInvokeChecks()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In, System.IO.HandleInheritability.None, 4096))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.Out, server.ClientSafePipeHandle))
{
Task serverTask = Task.Run(() => DoStreamOperations(server));
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 (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
using (AnonymousPipeClientStream client = new AnonymousPipeClientStream(PipeDirection.In, server.ClientSafePipeHandle))
{
Task serverTask = Task.Run(() => DoStreamOperations(server));
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Assert.Equal(4096, 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;
}
}
}