private void Encoder_Data_Available(object sender, VideoEventArgs e)
{
frame++;
framebytes = e.payload.outbytes;
lastframe = e.payload.uncompressedFrame;
lastframestride = e.payload.stride;
lastframeheight = e.payload.height;
lastframewidth = e.payload.width;
if (isConnected)
{
VideoStream.Write(e.payload.result, 0, e.payload.outbytes);
VideoStream.Flush();
VideoStream.WaitForPipeDrain();
video.ReturnWork(e.payload);
}
if (enableWriteToFile && binaryVideoWriter != null)
{
binaryVideoWriter.Write(e.payload.result, 0, e.payload.outbytes);
binaryVideoWriter.Flush();
}
}
private void Audio_RecordingStopped(object sender, StoppedEventArgs e)
{
if (isConnected)
{
AudioStream.Flush();
AudioStream.WaitForPipeDrain();
}
if (enableWriteToFile && binaryAudioWriter != null)
{
binaryAudioWriter.Flush();
binaryAudioWriter.Close();
binaryAudioWriter.Dispose();
}
}
/// <summary>
/// Pipe the data from one graph to another graph.
/// </summary>
/// <param name="fromGraph">the graph to take data from</param>
/// <param name="toGraph">the graph to take data to</param>
public static void MigrateGraph(IGraph fromGraph, IGraph toGraph)
{
if (fromGraph == null)
{
throw new ArgumentNullException(nameof(fromGraph));
}
if (toGraph == null)
{
throw new ArgumentNullException(nameof(toGraph));
}
const int pipeSize = 1024;
var outPipe = new AnonymousPipeServerStream(PipeDirection.Out, HandleInheritability.Inheritable, pipeSize);
{
using (var inPipe = new AnonymousPipeClientStream(PipeDirection.In, outPipe.ClientSafePipeHandle))
{
Task.Factory.StartNew(() =>
{
GraphMlWriter.OutputGraph(fromGraph, outPipe);
outPipe.Flush();
outPipe.Close();
});
GraphMlReader.InputGraph(toGraph, inPipe);
}
}
}
public static void ServerReadOnlyThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws <NotSupportedException>(() => server.Write(new byte[5], 0, 5));
Assert.Throws <NotSupportedException>(() => server.WriteByte(123));
Assert.Throws <NotSupportedException>(() => server.Flush());
Assert.Throws <NotSupportedException>(() => server.OutBufferSize);
Assert.Throws <NotSupportedException>(() => server.WaitForPipeDrain());
}
}
public static void ServerPInvokeChecks()
{
// calling every API related to server and client to detect any bad PInvokes
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
Task clientTask = Task.Run(() => StartClient(PipeDirection.In, server.ClientSafePipeHandle));
Assert.False(server.CanRead);
Assert.False(server.CanSeek);
Assert.False(server.CanTimeout);
Assert.True(server.CanWrite);
Assert.False(string.IsNullOrWhiteSpace(server.GetClientHandleAsString()));
Assert.False(server.IsAsync);
Assert.True(server.IsConnected);
Assert.Equal(0, server.OutBufferSize);
Assert.Equal(PipeTransmissionMode.Byte, server.ReadMode);
Assert.NotNull(server.SafePipeHandle);
Assert.Equal(PipeTransmissionMode.Byte, server.TransmissionMode);
server.Write(new byte[] { 123 }, 0, 1);
server.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
server.Flush();
server.WaitForPipeDrain();
clientTask.Wait();
server.DisposeLocalCopyOfClientHandle();
}
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Task clientTask = Task.Run(() => StartClient(PipeDirection.Out, server.ClientSafePipeHandle));
Assert.Equal(4096, server.InBufferSize);
byte[] readData = new byte[] { 0, 1 };
Assert.Equal(1, server.Read(readData, 0, 1));
Assert.Equal(1, server.ReadAsync(readData, 1, 1).Result);
Assert.Equal(123, readData[0]);
Assert.Equal(124, readData[1]);
clientTask.Wait();
}
}
public static void ServerPInvokeChecks()
{
// calling every API related to server and client to detect any bad PInvokes
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
Task clientTask = StartClientAsync(PipeDirection.In, server.ClientSafePipeHandle);
Console.WriteLine("server.CanRead = {0}", server.CanRead);
Console.WriteLine("server.CanSeek = {0}", server.CanSeek);
Console.WriteLine("server.CanTimeout = {0}", server.CanTimeout);
Console.WriteLine("server.CanWrite = {0}", server.CanWrite);
Console.WriteLine("server.GetClientHandleAsString() = {0}", server.GetClientHandleAsString());
Console.WriteLine("server.IsAsync = {0}", server.IsAsync);
Console.WriteLine("server.IsConnected = {0}", server.IsConnected);
Console.WriteLine("server.OutBufferSize = {0}", server.OutBufferSize);
Console.WriteLine("server.ReadMode = {0}", server.ReadMode);
Console.WriteLine("server.SafePipeHandle = {0}", server.SafePipeHandle);
Console.WriteLine("server.TransmissionMode = {0}", server.TransmissionMode);
server.Write(new byte[] { 123 }, 0, 1);
server.WriteAsync(new byte[] { 124 }, 0, 1).Wait();
server.Flush();
Console.WriteLine("Waiting for Pipe Drain.");
server.WaitForPipeDrain();
clientTask.Wait();
server.DisposeLocalCopyOfClientHandle();
}
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Task clientTask = StartClientAsync(PipeDirection.Out, server.ClientSafePipeHandle);
Console.WriteLine("server.InBufferSize = {0}", server.InBufferSize);
byte[] readData = new byte[] { 0, 1 };
server.Read(readData, 0, 1);
server.ReadAsync(readData, 1, 1).Wait();
Assert.Equal(123, readData[0]);
Assert.Equal(124, readData[1]);
}
}
public static void Main()
{
AnonymousPipeServerStream pipeServer =
new AnonymousPipeServerStream(PipeDirection.Out,
HandleInheritability.Inheritable);
var clientPipeHandle = pipeServer.GetClientHandleAsString();
Console.WriteLine(clientPipeHandle);
Process pipeClient = new Process();
pipeClient.StartInfo.FileName = "client.exe";
pipeClient.StartInfo.Arguments = clientPipeHandle;
pipeClient.StartInfo.UseShellExecute = false;
pipeClient.Start();
pipeServer.DisposeLocalCopyOfClientHandle();
pipeServer.WriteByte(45);
pipeServer.Flush();
Console.WriteLine("Press any key to quit");
Console.ReadKey();
pipeServer.Dispose();
}
public static async Task ServerPInvokeChecks()
{
// calling every API related to server and client to detect any bad PInvokes
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out, HandleInheritability.None, 4096))
{
Task clientTask = Task.Run(() => StartClient(PipeDirection.In, server.ClientSafePipeHandle));
Assert.False(server.CanRead);
Assert.False(server.CanSeek);
Assert.False(server.CanTimeout);
Assert.True(server.CanWrite);
Assert.False(string.IsNullOrWhiteSpace(server.GetClientHandleAsString()));
Assert.False(server.IsAsync);
Assert.True(server.IsConnected);
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows) ||
RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Assert.True(server.OutBufferSize > 0);
}
else
{
Assert.Throws <PlatformNotSupportedException>(() => server.OutBufferSize);
}
Assert.Equal(PipeTransmissionMode.Byte, server.ReadMode);
Assert.NotNull(server.SafePipeHandle);
Assert.Equal(PipeTransmissionMode.Byte, server.TransmissionMode);
server.Write(new byte[] { 123 }, 0, 1);
await server.WriteAsync(new byte[] { 124 }, 0, 1);
server.Flush();
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
server.WaitForPipeDrain();
}
else
{
Assert.Throws <PlatformNotSupportedException>(() => server.WaitForPipeDrain());
}
await clientTask;
server.DisposeLocalCopyOfClientHandle();
}
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Task clientTask = Task.Run(() => StartClient(PipeDirection.Out, server.ClientSafePipeHandle));
if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
Assert.Equal(4096, server.InBufferSize);
}
else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
Assert.True(server.InBufferSize > 0);
}
else
{
Assert.Throws <PlatformNotSupportedException>(() => server.InBufferSize);
}
byte[] readData = new byte[] { 0, 1 };
Assert.Equal(1, server.Read(readData, 0, 1));
Assert.Equal(1, server.ReadAsync(readData, 1, 1).Result);
Assert.Equal(123, readData[0]);
Assert.Equal(124, readData[1]);
await clientTask;
}
}
public static void ServerReadOnlyThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws<NotSupportedException>(() => server.Write(new byte[5], 0, 5));
Assert.Throws<NotSupportedException>(() => server.WriteByte(123));
Assert.Throws<NotSupportedException>(() => server.Flush());
Assert.Throws<NotSupportedException>(() => server.OutBufferSize);
Assert.Throws<NotSupportedException>(() => server.WaitForPipeDrain());
Assert.Throws<NotSupportedException>(() => NotReachable(server.WriteAsync(new byte[5], 0, 5)));
}
}
private void flush(object state)
{
_outServer.Flush();
}
