protected byte[] ReadBuffer(int len)
{
byte[] array = new byte[4];
byte[] array2 = new byte[len];
byte[] array3 = new byte[len];
int i = 0;
while (i < len)
{
if (!NamedPipeBase.ReadFile(this.pipeHandle.DangerousGetHandle(), array2, (uint)(len - i), array, 0u))
{
if ((long)NamedPipeBase.GetLastError() == 109L)
{
throw new EndOfStreamException();
}
throw new IOException(string.Format("ReadBuffer sees error {0}", NamedPipeBase.GetLastError()));
}
else
{
int num = BitConverter.ToInt32(array, 0);
Array.Copy(array2, 0, array3, i, num);
i += num;
}
}
return(array3);
}
private void Initialize(string pipeName)
{
this.pipeHandle = NamedPipeBase.CreateNamedPipe("\\\\.\\pipe\\" + pipeName, 3u, 6u, 255u, 4096u, 4096u, 0u, new IntPtr(0));
if (NamedPipeBase.ConnectNamedPipe(this.pipeHandle, new IntPtr(0)) == 0)
{
throw new IOException(string.Format("Unable to open pipe: {0}.", NamedPipeBase.GetLastError()));
}
}
protected void WriteBuffer(byte[] buffer, int len)
{
byte[] array = new byte[4];
for (int i = 0; i < len; i = 0)
{
if (!NamedPipeBase.WriteFile(this.pipeHandle.DangerousGetHandle(), buffer, (uint)(len - i), array, 0u))
{
throw new IOException(string.Format("ReadBuffer sees error {0}", NamedPipeBase.GetLastError()));
}
i += BitConverter.ToInt32(array, 0);
Array.Copy(buffer, i, buffer, 0, len - i);
len -= i;
}
NamedPipeBase.FlushFileBuffers(this.pipeHandle.DangerousGetHandle());
}