// If more than just the lifetime event is sent over the rx pipe then
// the pipe reading will need to be moved elsewhere so it can be shared
// with other systems.
private async Task HandleLifetimeEvents()
{
var headerBuffer = new byte[1 + 255 + 4]; // max header size
while (true)
{
await rxPipe.ReadAsync(headerBuffer, 0, 1);
if (headerBuffer[0] != 1)
{
throw new InvalidDataException("Unknown protocol");
}
await rxPipe.ReadAsync(headerBuffer, 1, 1);
await rxPipe.ReadAsync(headerBuffer, 2, headerBuffer[1]);
var msgType = Encoding.UTF8.GetString(headerBuffer, 2, headerBuffer[1]);
await rxPipe.ReadAsync(headerBuffer, 2 + headerBuffer[1], 4);
var payloadSize = ReadUInt32LE(headerBuffer, 2 + headerBuffer[1]);
var payload = new byte[payloadSize];
await rxPipe.ReadAsync(payload, 0, (int)payloadSize);
if (msgType == "lifetimeevent")
{
switch (payload[0])
{
// Startup event
case 0:
await App.Current.Dispatcher.InvokeAsync(() =>
{
CurrentStatus = statusMessages[payload[1]];
});
break;
// Startup completed
case 1:
// TODO: hide main window
await App.Current.Dispatcher.InvokeAsync(() =>
{
CurrentStatus = "Startup finished";
App.Current.LaunchPaymetheus();
});
break;
// Shutdown event
case 2:
await App.Current.Dispatcher.InvokeAsync(() =>
{
CurrentStatus = statusMessages[3 + payload[1]];
});
break;
}
}
}
}
public async static void ServerReadAsyncNegativeOffsetThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
await Assert.ThrowsAsync <ArgumentOutOfRangeException>(() => server.ReadAsync(new byte[5], -1, 1));
// array is checked first
await Assert.ThrowsAsync <ArgumentNullException>(() => server.ReadAsync(null, -1, 1));
}
}
public async Task <byte[]> ReadBytesAsync(int size)
{
byte[] bytes = new byte[size];
await pipe.ReadAsync(bytes, 0, bytes.Length);
return(bytes);
}
public async static void ServerWriteOnlyAsyncThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
await Assert.ThrowsAsync <NotSupportedException>(() => server.ReadAsync(new byte[5], 0, 5));
}
}
public async static void ServerReadAsyncBufferNullThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
await Assert.ThrowsAsync <ArgumentNullException>(() => server.ReadAsync(null, 0, 1));
}
}
public static void ServerReadBufferNullThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws <ArgumentNullException>(() => server.Read(null, 0, 1));
Assert.Throws <ArgumentNullException>(() => NotReachable(server.ReadAsync(null, 0, 1)));
}
}
public static void ServerReadNegativeCountThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws <System.ArgumentOutOfRangeException>(() => server.Read(new byte[5], 0, -1));
// offset is checked before count
Assert.Throws <ArgumentOutOfRangeException>(() => server.Read(new byte[1], -1, -1));
// array is checked first
Assert.Throws <ArgumentNullException>(() => server.Read(null, -1, -1));
Assert.Throws <System.ArgumentOutOfRangeException>(() => NotReachable(server.ReadAsync(new byte[5], 0, -1)));
// offset is checked before count
Assert.Throws <ArgumentOutOfRangeException>(() => NotReachable(server.ReadAsync(new byte[1], -1, -1)));
// array is checked first
Assert.Throws <ArgumentNullException>(() => NotReachable(server.ReadAsync(null, -1, -1)));
}
}
public static void ServerWriteOnlyThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
Assert.Throws <NotSupportedException>(() => server.Read(new byte[5], 0, 5));
Assert.Throws <NotSupportedException>(() => server.ReadByte());
Assert.Throws <NotSupportedException>(() => server.InBufferSize);
Assert.Throws <NotSupportedException>(() => NotReachable(server.ReadAsync(new byte[5], 0, 5)));
}
}
private static async Task <DateTime> ReadDateTime(AnonymousPipeServerStream pipeServer)
{
var buffer = new byte[sizeof(long)];
var numbytes = await pipeServer.ReadAsync(buffer, 0, sizeof(long)).ConfigureAwait(false); // readasync ignores tokens :(
if (numbytes < sizeof(long))
{
throw new Exception("less than sizeof(long) bytes read");
}
var nowLong = BitConverter.ToInt64(buffer, 0);
var now = DateTime.FromBinary(nowLong);
return(now);
}
private static async Task AnonymousReaderAsync()
{
using (var reader = new AnonymousPipeServerStream(PipeDirection.In, HandleInheritability.Inheritable))
{
WriteLine("Using anonymous pipe");
var pipeHandle = reader.GetClientHandleAsString();
WriteLine($"Pipe handle: {pipeHandle}");
const int bufferSize = 0x100;
var buffer = new byte[bufferSize];
/*var nRead = */
await reader.ReadAsync(buffer, 0, bufferSize).ConfigureAwait(false);
var line = Encoding.UTF8.GetString(buffer, 0, bufferSize);
WriteLine(line);
}
}
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 ServerReadArrayOutOfBoundsThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
// offset out of bounds
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[1], 1, 1));
// offset out of bounds for 0 count read
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[1], 2, 0));
// offset out of bounds even for 0 length buffer
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[0], 1, 0));
// combination offset and count out of bounds
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[2], 1, 2));
// edges
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[0], int.MaxValue, 0));
Assert.Throws <ArgumentException>(null, () => server.Read(new byte[0], int.MaxValue, int.MaxValue));
Assert.Throws <ArgumentException>(() => server.Read(new byte[5], 3, 4));
// offset out of bounds
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[1], 1, 1)));
// offset out of bounds for 0 count read
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[1], 2, 0)));
// offset out of bounds even for 0 length buffer
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], 1, 0)));
// combination offset and count out of bounds
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[2], 1, 2)));
// edges
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], int.MaxValue, 0)));
Assert.Throws <ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], int.MaxValue, int.MaxValue)));
Assert.Throws <ArgumentException>(() => NotReachable(server.ReadAsync(new byte[5], 3, 4)));
}
}
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 ServerWriteOnlyThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.Out))
{
Assert.Throws<NotSupportedException>(() => server.Read(new byte[5], 0, 5));
Assert.Throws<NotSupportedException>(() => server.ReadByte());
Assert.Throws<NotSupportedException>(() => server.InBufferSize);
Assert.Throws<NotSupportedException>(() => NotReachable(server.ReadAsync(new byte[5], 0, 5)));
}
}
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 ServerReadArrayOutOfBoundsThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
// offset out of bounds
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[1], 1, 1));
// offset out of bounds for 0 count read
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[1], 2, 0));
// offset out of bounds even for 0 length buffer
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[0], 1, 0));
// combination offset and count out of bounds
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[2], 1, 2));
// edges
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[0], int.MaxValue, 0));
Assert.Throws<ArgumentException>(null, () => server.Read(new byte[0], int.MaxValue, int.MaxValue));
Assert.Throws<ArgumentException>(() => server.Read(new byte[5], 3, 4));
// offset out of bounds
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[1], 1, 1)));
// offset out of bounds for 0 count read
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[1], 2, 0)));
// offset out of bounds even for 0 length buffer
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], 1, 0)));
// combination offset and count out of bounds
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[2], 1, 2)));
// edges
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], int.MaxValue, 0)));
Assert.Throws<ArgumentException>(null, () => NotReachable(server.ReadAsync(new byte[0], int.MaxValue, int.MaxValue)));
Assert.Throws<ArgumentException>(() => NotReachable(server.ReadAsync(new byte[5], 3, 4)));
}
}
public static void ServerReadNegativeCountThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws<System.ArgumentOutOfRangeException>(() => server.Read(new byte[5], 0, -1));
// offset is checked before count
Assert.Throws<ArgumentOutOfRangeException>(() => server.Read(new byte[1], -1, -1));
// array is checked first
Assert.Throws<ArgumentNullException>(() => server.Read(null, -1, -1));
Assert.Throws<System.ArgumentOutOfRangeException>(() => NotReachable(server.ReadAsync(new byte[5], 0, -1)));
// offset is checked before count
Assert.Throws<ArgumentOutOfRangeException>(() => NotReachable(server.ReadAsync(new byte[1], -1, -1)));
// array is checked first
Assert.Throws<ArgumentNullException>(() => NotReachable(server.ReadAsync(null, -1, -1)));
}
}
public static void ServerReadBufferNullThrows()
{
using (AnonymousPipeServerStream server = new AnonymousPipeServerStream(PipeDirection.In))
{
Assert.Throws<ArgumentNullException>(() => server.Read(null, 0, 1));
Assert.Throws<ArgumentNullException>(() => NotReachable(server.ReadAsync(null, 0, 1)));
}
}
