Ejemplo n.º 1
0
        public bool Read(IBufferConsumer bufferConsumer)
        {
            byte[] intSizeBuffer = new byte[sizeof(int)];
            if (m_readIndex < m_stream.Length)
            {
                m_stream.Position = m_readIndex;
                m_stream.Read(intSizeBuffer, 0, intSizeBuffer.Length);
                int sizeBuffer = BitConverter.ToInt32(intSizeBuffer, 0);
                if (sizeBuffer != -1)
                {
                    if (m_expendableBuffer.Buffer.Length >= sizeBuffer)
                    {
                        m_expendableBuffer.Buffer = new byte[sizeBuffer];
                    }

                    if (m_stream.Read(m_expendableBuffer.Buffer, 0, sizeBuffer) != sizeBuffer)
                    {
                        throw new CorruptedDataException();
                    }
                    else
                    {
                        m_readIndex = m_stream.Position;
                        m_expendableBuffer.Length = sizeBuffer;
                        bufferConsumer.Consume(m_expendableBuffer);
                        return true;
                    }
                }
            }
            return false;
        }
Ejemplo n.º 2
0
        public bool ReadAll(IBufferConsumer bufferConsumer)
        {
            var maxRead = m_stream.Length;
            bool ended = false;

            if (m_readIndex < maxRead)
            {
                m_stream.Position = m_readIndex;
            }
            else
            {
                ended = true;
            }

            byte[] intSizeBuffer = new byte[sizeof(int)];
            bool hasAnyRead = false;
            while (!ended)
            {
                if (m_stream.Read(intSizeBuffer, 0, intSizeBuffer.Length) != sizeof (int))
                {
                    ended = true;
                }
                else
                {

                    int sizeBuffer = BitConverter.ToInt32(intSizeBuffer, 0);
                    if (sizeBuffer == 0)
                    {
                        // this is for debug only
                        m_stream.Seek(-4, SeekOrigin.Current);
                        ended = true;
                    }
                    else
                    {
                        if (m_expendableBuffer.Buffer.Length < sizeBuffer)
                        {
                            m_expendableBuffer.Buffer = new byte[sizeBuffer];
                        }

                        if (m_stream.Read(m_expendableBuffer.Buffer, 0, sizeBuffer) != sizeBuffer)
                        {
                            throw new CorruptedDataException();
                        }
                        else
                        {
                            m_readIndex = m_stream.Position;
                            m_expendableBuffer.Length = sizeBuffer;
                            bufferConsumer.Consume(m_expendableBuffer);
                            hasAnyRead = true;
                        }
                        ended = !(m_readIndex < maxRead);
                    }
                }
            }
            return hasAnyRead;
        }