public override int Read(byte[] buffer, int offset, int size, TimeSpan timeout)
{
ConnectionUtilities.ValidateBufferBounds(buffer, offset, size);
if (this.preReadCount <= 0)
{
return(base.Read(buffer, offset, size, timeout));
}
int num = Math.Min(size, this.preReadCount);
Buffer.BlockCopy(this.preReadData, this.preReadOffset, buffer, offset, num);
PreReadConnection preReadConnection = this;
preReadConnection.preReadOffset = preReadConnection.preReadOffset + num;
PreReadConnection preReadConnection1 = this;
preReadConnection1.preReadCount = preReadConnection1.preReadCount - num;
return(num);
}
public void AddPreReadData(byte[] initialData, int initialOffset, int initialSize)
{
if (this.preReadCount <= 0)
{
this.preReadData = initialData;
this.preReadOffset = initialOffset;
this.preReadCount = initialSize;
return;
}
byte[] numArray = this.preReadData;
this.preReadData = DiagnosticUtility.Utility.AllocateByteArray(initialSize + this.preReadCount);
Buffer.BlockCopy(numArray, this.preReadOffset, this.preReadData, 0, this.preReadCount);
Buffer.BlockCopy(initialData, initialOffset, this.preReadData, this.preReadCount, initialSize);
this.preReadOffset = 0;
PreReadConnection preReadConnection = this;
preReadConnection.preReadCount = preReadConnection.preReadCount + initialSize;
}
public override AsyncReadResult BeginRead(int offset, int size, TimeSpan timeout, WaitCallback callback, object state)
{
ConnectionUtilities.ValidateBufferBounds(this.AsyncReadBufferSize, offset, size);
if (this.preReadCount <= 0)
{
return(base.BeginRead(offset, size, timeout, callback, state));
}
int num = Math.Min(size, this.preReadCount);
Buffer.BlockCopy(this.preReadData, this.preReadOffset, this.AsyncReadBuffer, offset, num);
PreReadConnection preReadConnection = this;
preReadConnection.preReadOffset = preReadConnection.preReadOffset + num;
PreReadConnection preReadConnection1 = this;
preReadConnection1.preReadCount = preReadConnection1.preReadCount - num;
this.asyncBytesRead = num;
return(AsyncReadResult.Completed);
}