/// <summary>
/// returns true if io is pending
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public bool Read(AsyncIOArgs p)
{
var count = p.Count;
if (count < 1) throw new ArgumentOutOfRangeException("count", "count must be > 0");
#if DEBUG_IO
if (Interlocked.CompareExchange(ref this.doingIO, 1, 0) != 0)
throw new InvalidOperationException("Receive is already in progress");
#endif
this.expectedToRead = p.Count;
this.pendingArgs = p;
p.Fail = false;
p.Result = null;
if (this.asyncBuffer.Available >= count)
{
PublishResult(false);
return false;
}
else
{
this.remainingRead = count - this.asyncBuffer.Available;
this.isAborted = 0;
this.BeginReceive();
return true;
}
}
/// <summary>
/// Receives data asynchronously. Returns true if the IO is pending. Returns false if the socket already failed or the data was available in the buffer.
/// p.Next will only be called if the call completes asynchronously.
/// </summary>
public bool ReceiveAsync(AsyncIOArgs p)
{
this.CheckDisposed();
if (!this.IsAlive)
{
p.Fail = true;
p.Result = null;
return(false);
}
if (this.helper == null)
{
this.helper = new AsyncSocketHelper(this);
}
return(this.helper.Read(p));
}
/// <summary>
/// returns true if io is pending
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
public bool Read(AsyncIOArgs p)
{
var count = p.Count;
if (count < 1)
{
throw new ArgumentOutOfRangeException("count", "count must be > 0");
}
#if DEBUG_IO
if (Interlocked.CompareExchange(ref this.doingIO, 1, 0) != 0)
{
throw new InvalidOperationException("Receive is already in progress");
}
#endif
this.expectedToRead = p.Count;
this.pendingArgs = p;
p.Fail = false;
p.Result = null;
if (this.asyncBuffer.Available >= count)
{
PublishResult(false);
return(false);
}
else
{
this.remainingRead = count - this.asyncBuffer.Available;
this.isAborted = 0;
this.BeginReceive();
return(true);
}
}
/// <summary>
/// Receives data asynchronously. Returns true if the IO is pending. Returns false if the socket already failed or the data was available in the buffer.
/// p.Next will only be called if the call completes asynchronously.
/// </summary>
public bool ReceiveAsync(AsyncIOArgs p)
{
this.CheckDisposed();
if (!this.IsAlive)
{
p.Fail = true;
p.Result = null;
return false;
}
if (this.helper == null)
this.helper = new AsyncSocketHelper(this);
return this.helper.Read(p);
}
public bool ReceiveAsync(AsyncIOArgs p)
{
CheckDisposed();
if (!IsAlive)
{
p.Fail = true;
p.Result = null;
return false;
}
if (_helper2 == null)
{
_helper2 = new AsyncSocketHelper2(this);
}
return _helper2.Read(p);
}