void OnAllocateCallback(out uv_buf_t buf)
{
ReadOperation operation = this.unsafeChannel.PrepareRead();
this.pendingReads.Offer(operation);
buf = operation.GetBuffer();
}
public Scratch()
{
byte[] scratch = ScratchBuf;
_gcHandle = GCHandle.Alloc(scratch, GCHandleType.Pinned);
IntPtr arrayHandle = _gcHandle.AddrOfPinnedObject();
Buf = new uv_buf_t(arrayHandle, scratch.Length);
}
public Ping(NativeHandle sentHandle) : base(uv_req_type.UV_WRITE, 0)
{
_sentHandle = sentHandle;
byte[] array = PingBuf;
Bufs = new uv_buf_t[1];
GCHandle handle = GCHandle.Alloc(array, GCHandleType.Pinned);
IntPtr arrayHandle = handle.AddrOfPinnedObject();
_gcHandle = handle;
Bufs[0] = new uv_buf_t(arrayHandle, array.Length);
}
static void OnReadCallback(IntPtr handle, IntPtr nread, ref uv_buf_t buf)
{
var tcp = GetTarget <Tcp>(handle);
int status = (int)nread.ToInt64();
OperationException error = null;
if (status < 0 && status != NativeMethods.EOF)
{
error = NativeMethods.CreateError((uv_err_code)status);
}
tcp.OnReadCallback(status, error);
}
static void OnReadCallback(IntPtr handle, IntPtr nread, ref uv_buf_t buf)
{
var tcp = GetTarget <Tcp>(handle);
int status = (int)nread.ToInt64();
OperationException error = null;
if (status < 0 && status != (int)uv_err_code.UV_EOF)
{
error = NativeMethods.CreateError((uv_err_code)status);
}
ReadOperation operation = tcp.pendingReads.Poll();
if (operation == null)
{
if (error != null)
{
// It is possible if the client connection resets
// causing errors where there are no pending read
// operations, in this case we just notify the channel
// for errors
operation = new ReadOperation(tcp.unsafeChannel, Unpooled.Empty);
}
else
{
Logger.Warn("Channel read operation completed prematurely.");
return;
}
}
try
{
operation.Complete(status, error);
}
catch (Exception exception)
{
Logger.Warn("Channel read callbcak failed.", exception);
}
}
void OnAllocateCallback(out uv_buf_t buf)
{
buf = this.scratch.Buf;
}
static void OnAllocateCallback(IntPtr handle, IntPtr suggestedSize, out uv_buf_t buf)
{
var pipe = GetTarget <Pipe>(handle);
pipe.OnAllocateCallback(out buf);
}
static void OnReadCallback(IntPtr handle, IntPtr nread, ref uv_buf_t buf)
{
var pipe = GetTarget <Pipe>(handle);
pipe.OnReadCallback((int)nread.ToInt64());
}
static void OnAllocateCallback(IntPtr handle, IntPtr suggestedSize, out uv_buf_t buf)
{
var tcp = GetTarget <Tcp>(handle);
tcp.OnAllocateCallback(out buf);
}
void OnAllocateCallback(out uv_buf_t buf)
{
buf = _nativeUnsafe.PrepareRead(_pendingRead);
}
