void CheckBuffer(int requireSize)
{
if (_len - _pos < requireSize)
{
if (_extend)
{
var newdata = new byte[2 * _buffer.Length + requireSize];
WireFormat.CopyBytes(_buffer, newdata, 0, 0, _buffer.Length);
_len = newdata.Length;
_buffer = newdata;
}
else
{
throw new Exception("No enough buffer");
}
}
}
public void ReadBytes(WireFormat.WireType wt, ref byte[] value)
{
if (wt == WireFormat.WireType.Bytes)
{
var count = ReadVarint32();
if (value == null)
{
value = new byte[count];
}
WireFormat.CopyBytes(_buffer, value, _pos, 0, (int)count);
_pos += (int)count;
}
else
{
throw new Exception("Invalid Wireformat");
}
}
internal void WriteRawBytes(byte[] value, int length)
{
CheckBuffer(length);
WireFormat.CopyBytes(value, _buffer, 0, _pos, length);
_pos += length;
}