public void Dispose()
{
// Ensure the event loop is still running.
// If the event loop isn't running and we try to wait on this Post
// to complete, then KestrelEngine will never be disposed and
// the exception that stopped the event loop will never be surfaced.
if (Thread.FatalError == null)
{
var tcs = new TaskCompletionSource<int>();
Thread.Post(
_ =>
{
try
{
ListenSocket.Dispose();
tcs.SetResult(0);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
},
null);
// REVIEW: Should we add a timeout here to be safe?
tcs.Task.Wait();
}
ListenSocket = null;
}
public Task StartAsync(
string scheme,
string host,
int port,
KestrelThread thread,
Func<Frame, Task> application)
{
Thread = thread;
Application = application;
var tcs = new TaskCompletionSource<int>();
Thread.Post(_ =>
{
try
{
ListenSocket = new UvTcpHandle();
ListenSocket.Init(Thread.Loop, Thread.QueueCloseHandle);
ListenSocket.Bind(new IPEndPoint(IPAddress.Any, port));
ListenSocket.Listen(10, _connectionCallback, this);
tcs.SetResult(0);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
}, null);
return tcs.Task;
}
public async Task SocketCanListenAndAccept()
{
var loop = new UvLoopHandle(_logger);
loop.Init(_uv);
var tcp = new UvTcpHandle(_logger);
tcp.Init(loop);
var address = ServerAddress.FromUrl("http://localhost:54321/");
tcp.Bind(address);
tcp.Listen(10, (stream, status, error, state) =>
{
var tcp2 = new UvTcpHandle(_logger);
tcp2.Init(loop);
stream.Accept(tcp2);
tcp2.Dispose();
stream.Dispose();
}, null);
var t = Task.Run(async () =>
{
var socket = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
await Task.Factory.FromAsync(
socket.BeginConnect,
socket.EndConnect,
new IPEndPoint(IPAddress.Loopback, 54321),
null,
TaskCreationOptions.None);
socket.Dispose();
});
loop.Run();
loop.Dispose();
await t;
}
/// <summary>
/// Creates a socket which can be used to accept an incoming connection
/// </summary>
protected override UvStreamHandle CreateAcceptSocket()
{
var acceptSocket = new UvTcpHandle(Log);
acceptSocket.Init(Thread.Loop, Thread.QueueCloseHandle);
acceptSocket.NoDelay(NoDelay);
return acceptSocket;
}
/// <summary>
/// Creates the socket used to listen for incoming connections
/// </summary>
protected override UvStreamHandle CreateListenSocket(string host, int port)
{
var socket = new UvTcpHandle(Log);
socket.Init(Thread.Loop, Thread.QueueCloseHandle);
socket.Bind(host, port);
socket.Listen(Constants.ListenBacklog, ConnectionCallback, this);
return socket;
}
/// <summary>
/// Creates the socket used to listen for incoming connections
/// </summary>
protected override UvStreamHandle CreateListenSocket()
{
var socket = new UvTcpHandle(Log);
socket.Init(Thread.Loop, Thread.QueueCloseHandle);
socket.NoDelay(NoDelay);
socket.Bind(ServerAddress);
socket.Listen(Constants.ListenBacklog, ConnectionCallback, this);
return socket;
}
public async Task SocketCanBeInitAndClose()
{
var loop = new UvLoopHandle();
loop.Init(_uv);
var tcp = new UvTcpHandle();
tcp.Init(loop);
tcp.Bind(new IPEndPoint(IPAddress.Loopback, 0));
tcp.Dispose();
loop.Run();
loop.Dispose();
}
public void SocketCanBeInitAndClose()
{
var loop = new UvLoopHandle(_logger);
loop.Init(_uv);
var tcp = new UvTcpHandle(_logger);
tcp.Init(loop);
tcp.Bind("localhost", 0);
tcp.Dispose();
loop.Run();
loop.Dispose();
}
public void SocketCanBeInitAndClose()
{
var loop = new UvLoopHandle(_logger);
loop.Init(_uv);
var tcp = new UvTcpHandle(_logger);
tcp.Init(loop);
var address = ServerAddress.FromUrl("http://localhost:0/");
tcp.Bind(address);
tcp.Dispose();
loop.Run();
loop.Dispose();
}
/// <summary>
/// Handles an incoming connection
/// </summary>
/// <param name="listenSocket">Socket being used to listen on</param>
/// <param name="status">Connection status</param>
protected override void OnConnection(UvStreamHandle listenSocket, int status)
{
var acceptSocket = new UvTcpHandle(Log);
acceptSocket.Init(Thread.Loop, Thread.QueueCloseHandle);
try
{
listenSocket.Accept(acceptSocket);
}
catch (UvException ex)
{
Log.LogError("TcpListenerPrimary.OnConnection", ex);
return;
}
DispatchConnection(acceptSocket);
}
public void Dispose()
{
var tcs = new TaskCompletionSource<int>();
Thread.Post(
_ =>
{
try
{
ListenSocket.Dispose();
tcs.SetResult(0);
}
catch (Exception ex)
{
tcs.SetException(ex);
}
},
null);
tcs.Task.Wait();
ListenSocket = null;
}
protected override void DispatchConnection(UvTcpHandle socket)
{
var index = _dispatchIndex++ % (_dispatchPipes.Count + 1);
if (index == _dispatchPipes.Count)
{
base.DispatchConnection(socket);
}
else
{
var dispatchPipe = _dispatchPipes[index];
var write = new UvWriteReq();
write.Init(Thread.Loop);
write.Write2(
dispatchPipe,
_1234,
socket,
(write2, status, error, state) =>
{
write2.Dispose();
((UvTcpHandle)state).Dispose();
},
socket);
}
}
public async Task SocketCanRead()
{
int bytesRead = 0;
var loop = new UvLoopHandle();
loop.Init(_uv);
var tcp = new UvTcpHandle();
tcp.Init(loop);
tcp.Bind(new IPEndPoint(IPAddress.Loopback, 54321));
tcp.Listen(10, (_, status, error, state) =>
{
Console.WriteLine("Connected");
var tcp2 = new UvTcpHandle();
tcp2.Init(loop);
tcp.Accept(tcp2);
var data = Marshal.AllocCoTaskMem(500);
tcp2.ReadStart(
(a, b, c) => _uv.buf_init(data, 500),
(__, nread, error2, state2) =>
{
bytesRead += nread;
if (nread == 0)
{
tcp2.Dispose();
}
},
null);
tcp.Dispose();
}, null);
Console.WriteLine("Task.Run");
var t = Task.Run(async () =>
{
var socket = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
await Task.Factory.FromAsync(
socket.BeginConnect,
socket.EndConnect,
new IPEndPoint(IPAddress.Loopback, 54321),
null,
TaskCreationOptions.None);
await Task.Factory.FromAsync(
socket.BeginSend,
socket.EndSend,
new[] { new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }) },
SocketFlags.None,
null,
TaskCreationOptions.None);
socket.Dispose();
});
loop.Run();
loop.Dispose();
await t;
}
public void tcp_init(UvLoopHandle loop, UvTcpHandle handle)
{
loop.Validate();
handle.Validate();
Check(_uv_tcp_init(loop, handle));
}
public static extern int uv_tcp_getpeername(UvTcpHandle handle,out SockAddr name,ref int namelen);
public static extern int uv_tcp_open(UvTcpHandle handle,IntPtr hSocket);
public static extern int uv_tcp_init(UvLoopHandle loop,UvTcpHandle handle);
public void tcp_nodelay(UvTcpHandle handle, bool enable)
{
handle.Validate();
Check(_uv_tcp_nodelay(handle, enable ? 1 : 0));
}
public void tcp_open(UvTcpHandle handle, IntPtr hSocket)
{
handle.Validate();
Check(_uv_tcp_open(handle, hSocket));
}
private void OnConnection(UvStreamHandle listenSocket, int status)
{
var acceptSocket = new UvTcpHandle();
acceptSocket.Init(Thread.Loop, Thread.QueueCloseHandle);
listenSocket.Accept(acceptSocket);
var connection = new Connection(this, acceptSocket);
connection.Start();
}
public static extern int uv_tcp_getpeername(UvTcpHandle handle, out SockAddr name, ref int namelen);
public static extern int uv_tcp_init(UvLoopHandle loop, UvTcpHandle handle);
public void tcp_getpeername(UvTcpHandle handle, out SockAddr addr, ref int namelen)
{
handle.Validate();
Check(_uv_tcp_getpeername(handle, out addr, ref namelen));
}
public static extern int uv_tcp_bind(UvTcpHandle handle, ref sockaddr addr, int flags);
public static extern int uv_tcp_bind(UvTcpHandle handle,ref SockAddr addr,int flags);
public static extern int uv_tcp_open(UvTcpHandle handle, IntPtr hSocket);
public static extern int uv_tcp_nodelay(UvTcpHandle handle,int enable);
public static extern int uv_tcp_nodelay(UvTcpHandle handle, int enable);
public async Task SocketCanReadAndWrite()
{
var loop = new UvLoopHandle(_logger);
loop.Init(_uv);
var tcp = new UvTcpHandle(_logger);
tcp.Init(loop);
var address = ServerAddress.FromUrl("http://localhost:54321/");
tcp.Bind(address);
tcp.Listen(10, (_, status, error, state) =>
{
Console.WriteLine("Connected");
var tcp2 = new UvTcpHandle(_logger);
tcp2.Init(loop);
tcp.Accept(tcp2);
var data = Marshal.AllocCoTaskMem(500);
tcp2.ReadStart(
(a, b, c) => tcp2.Libuv.buf_init(data, 500),
(__, nread, state2) =>
{
if (nread <= 0)
{
tcp2.Dispose();
}
else
{
for (var x = 0; x < 2; x++)
{
var req = new UvWriteReq(new KestrelTrace(new TestKestrelTrace()));
req.Init(loop);
var block = MemoryPoolBlock2.Create(
new ArraySegment<byte>(new byte[] { 65, 66, 67, 68, 69 }),
dataPtr: IntPtr.Zero,
pool: null,
slab: null);
var start = new MemoryPoolIterator2(block, 0);
var end = new MemoryPoolIterator2(block, block.Data.Count);
req.Write(
tcp2,
start,
end,
1,
(_1, _2, _3, _4) =>
{
block.Unpin();
},
null);
}
}
},
null);
tcp.Dispose();
}, null);
Console.WriteLine("Task.Run");
var t = Task.Run(async () =>
{
var socket = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
#if DNX451
await Task.Factory.FromAsync(
socket.BeginConnect,
socket.EndConnect,
new IPEndPoint(IPAddress.Loopback, 54321),
null,
TaskCreationOptions.None);
await Task.Factory.FromAsync(
socket.BeginSend,
socket.EndSend,
new[] { new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }) },
SocketFlags.None,
null,
TaskCreationOptions.None);
#else
await socket.ConnectAsync(new IPEndPoint(IPAddress.Loopback, 54321));
await socket.SendAsync(new[] { new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }) },
SocketFlags.None);
#endif
socket.Shutdown(SocketShutdown.Send);
var buffer = new ArraySegment<byte>(new byte[2048]);
while (true)
{
#if DNX451
var count = await Task.Factory.FromAsync(
socket.BeginReceive,
socket.EndReceive,
new[] { buffer },
SocketFlags.None,
null,
TaskCreationOptions.None);
#else
var count = await socket.ReceiveAsync(new[] { buffer }, SocketFlags.None);
#endif
Console.WriteLine("count {0} {1}",
count,
System.Text.Encoding.ASCII.GetString(buffer.Array, 0, count));
if (count <= 0) break;
}
socket.Dispose();
});
loop.Run();
loop.Dispose();
await t;
}
public Task StartAsync(
string pipeName,
KestrelThread thread,
Func<Frame, Task> application)
{
Thread = thread;
Application = application;
DispatchPipe = new UvPipeHandle();
var tcs = new TaskCompletionSource<int>();
Thread.Post(_ =>
{
try
{
DispatchPipe.Init(Thread.Loop, true);
var connect = new UvConnectRequest();
connect.Init(Thread.Loop);
connect.Connect(
DispatchPipe,
pipeName,
(connect2, status, error, state) =>
{
connect.Dispose();
if (error != null)
{
tcs.SetException(error);
return;
}
try
{
var ptr = Marshal.AllocHGlobal(4);
var buf = Thread.Loop.Libuv.buf_init(ptr, 4);
DispatchPipe.ReadStart(
(_1, _2, _3) => buf,
(_1, status2, error2, state2) =>
{
if (status2 == 0)
{
DispatchPipe.Dispose();
Marshal.FreeHGlobal(ptr);
return;
}
var acceptSocket = new UvTcpHandle();
acceptSocket.Init(Thread.Loop, Thread.QueueCloseHandle);
try
{
DispatchPipe.Accept(acceptSocket);
}
catch (Exception ex)
{
Trace.WriteLine("DispatchPipe.Accept " + ex.Message);
acceptSocket.Dispose();
return;
}
var connection = new Connection(this, acceptSocket);
connection.Start();
},
null);
tcs.SetResult(0);
}
catch (Exception ex)
{
DispatchPipe.Dispose();
tcs.SetException(ex);
}
},
null);
}
catch (Exception ex)
{
DispatchPipe.Dispose();
tcs.SetException(ex);
}
}, null);
return tcs.Task;
}
public void tcp_bind(UvTcpHandle handle, ref sockaddr addr, int flags)
{
handle.Validate();
Check(_uv_tcp_bind(handle, ref addr, flags));
}
public void tcp_bind(UvTcpHandle handle, ref SockAddr addr, int flags)
{
handle.Validate();
Check(_uv_tcp_bind(handle, ref addr, flags));
}
public void ServerPipeDispatchConnections()
{
var pipeName = @"\\.\pipe\ServerPipeDispatchConnections" + Guid.NewGuid().ToString("n");
var loop = new UvLoopHandle();
loop.Init(_uv);
var serverConnectionPipe = default(UvPipeHandle);
var serverConnectionPipeAcceptedEvent = new ManualResetEvent(false);
var serverConnectionTcpDisposedEvent = new ManualResetEvent(false);
var serverListenPipe = new UvPipeHandle();
serverListenPipe.Init(loop, false);
serverListenPipe.Bind(pipeName);
serverListenPipe.Listen(128, (_1, status, error, _2) =>
{
serverConnectionPipe = new UvPipeHandle();
serverConnectionPipe.Init(loop, true);
try
{
serverListenPipe.Accept(serverConnectionPipe);
serverConnectionPipeAcceptedEvent.Set();
}
catch (Exception ex)
{
Console.WriteLine(ex);
serverConnectionPipe.Dispose();
serverConnectionPipe = null;
}
}, null);
var serverListenTcp = new UvTcpHandle();
serverListenTcp.Init(loop);
serverListenTcp.Bind(new IPEndPoint(0, 54321));
serverListenTcp.Listen(128, (_1, status, error, _2) =>
{
var serverConnectionTcp = new UvTcpHandle();
serverConnectionTcp.Init(loop);
serverListenTcp.Accept(serverConnectionTcp);
serverConnectionPipeAcceptedEvent.WaitOne();
var writeRequest = new UvWriteReq();
writeRequest.Init(loop);
writeRequest.Write2(
serverConnectionPipe,
new ArraySegment<ArraySegment<byte>>(new ArraySegment<byte>[] { new ArraySegment<byte>(new byte[] { 1, 2, 3, 4 }) }),
serverConnectionTcp,
(_3, status2, error2, _4) =>
{
writeRequest.Dispose();
serverConnectionTcp.Dispose();
serverConnectionTcpDisposedEvent.Set();
serverConnectionPipe.Dispose();
serverListenPipe.Dispose();
serverListenTcp.Dispose();
},
null);
}, null);
var worker = new Thread(() =>
{
var loop2 = new UvLoopHandle();
var clientConnectionPipe = new UvPipeHandle();
var connect = new UvConnectRequest();
loop2.Init(_uv);
clientConnectionPipe.Init(loop2, true);
connect.Init(loop2);
connect.Connect(clientConnectionPipe, pipeName, (_1, status, error, _2) =>
{
connect.Dispose();
var buf = loop2.Libuv.buf_init(Marshal.AllocHGlobal(64), 64);
serverConnectionTcpDisposedEvent.WaitOne();
clientConnectionPipe.ReadStart(
(_3, cb, _4) => buf,
(_3, status2, error2, _4) =>
{
if (status2 == 0)
{
clientConnectionPipe.Dispose();
return;
}
var clientConnectionTcp = new UvTcpHandle();
clientConnectionTcp.Init(loop2);
clientConnectionPipe.Accept(clientConnectionTcp);
var buf2 = loop2.Libuv.buf_init(Marshal.AllocHGlobal(64), 64);
clientConnectionTcp.ReadStart(
(_5, cb, _6) => buf2,
(_5, status3, error3, _6) =>
{
if (status3 == 0)
{
clientConnectionTcp.Dispose();
}
},
null);
},
null);
}, null);
loop2.Run();
loop2.Dispose();
});
var worker2 = new Thread(() =>
{
try
{
serverConnectionPipeAcceptedEvent.WaitOne();
var socket = new Socket(SocketType.Stream, ProtocolType.IP);
socket.Connect(IPAddress.Loopback, 54321);
socket.Send(new byte[] { 6, 7, 8, 9 });
socket.Shutdown(SocketShutdown.Send);
var cb = socket.Receive(new byte[64]);
socket.Dispose();
}
catch(Exception ex)
{
Console.WriteLine(ex);
}
});
worker.Start();
worker2.Start();
loop.Run();
loop.Dispose();
worker.Join();
worker2.Join();
}
public void tcp_open(UvTcpHandle handle, IntPtr hSocket)
{
handle.Validate();
Check(_uv_tcp_open(handle, hSocket));
}
public async Task SocketCanReadAndWrite()
{
int bytesRead = 0;
var loop = new UvLoopHandle();
loop.Init(_uv);
var tcp = new UvTcpHandle();
tcp.Init(loop);
tcp.Bind(new IPEndPoint(IPAddress.Loopback, 54321));
tcp.Listen(10, (_, status, error, state) =>
{
Console.WriteLine("Connected");
var tcp2 = new UvTcpHandle();
tcp2.Init(loop);
tcp.Accept(tcp2);
var data = Marshal.AllocCoTaskMem(500);
tcp2.ReadStart(
(a, b, c) => tcp2.Libuv.buf_init(data, 500),
(__, nread, error2, state2) =>
{
bytesRead += nread;
if (nread == 0)
{
tcp2.Dispose();
}
else
{
for (var x = 0; x != 2; ++x)
{
var req = new UvWriteReq();
req.Init(loop);
req.Write(
tcp2,
new ArraySegment<ArraySegment<byte>>(
new[] { new ArraySegment<byte>(new byte[] { 65, 66, 67, 68, 69 }) }
),
(_1, _2, _3, _4) => { },
null);
}
}
},
null);
tcp.Dispose();
}, null);
Console.WriteLine("Task.Run");
var t = Task.Run(async () =>
{
var socket = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp);
await Task.Factory.FromAsync(
socket.BeginConnect,
socket.EndConnect,
new IPEndPoint(IPAddress.Loopback, 54321),
null,
TaskCreationOptions.None);
await Task.Factory.FromAsync(
socket.BeginSend,
socket.EndSend,
new[] { new ArraySegment<byte>(new byte[] { 1, 2, 3, 4, 5 }) },
SocketFlags.None,
null,
TaskCreationOptions.None);
socket.Shutdown(SocketShutdown.Send);
var buffer = new ArraySegment<byte>(new byte[2048]);
for (; ;)
{
var count = await Task.Factory.FromAsync(
socket.BeginReceive,
socket.EndReceive,
new[] { buffer },
SocketFlags.None,
null,
TaskCreationOptions.None);
Console.WriteLine("count {0} {1}",
count,
System.Text.Encoding.ASCII.GetString(buffer.Array, 0, count));
if (count <= 0) break;
}
socket.Dispose();
});
loop.Run();
loop.Dispose();
await t;
}
public void tcp_nodelay(UvTcpHandle handle, bool enable)
{
handle.Validate();
Check(_uv_tcp_nodelay(handle, enable ? 1 : 0));
}
public void tcp_init(UvLoopHandle loop, UvTcpHandle handle)
{
loop.Validate();
handle.Validate();
Check(_uv_tcp_init(loop, handle));
}
public void tcp_getpeername(UvTcpHandle handle, out SockAddr addr, ref int namelen)
{
handle.Validate();
Check(_uv_tcp_getpeername(handle, out addr, ref namelen));
}