bool PatchJob::Update()
{
    //Log.Debug("AutoPatcher","Updating PatchJob...");
    // don't update unless the write buffer is empty
    m_client->BurstBegin();
    if(m_client->writeBuffer.GetSize()!= 0)
    {
        Log.Debug("AutoPatcher","Ending 1.");
        m_client->BurstEnd();
        return true;
    }

    // send 1500 byte chunks
    TransferDataPacket header;
    bool result;
    header.cmd = 0x31;
    header.chunk_size = static_cast<uint16>( (m_bytesLeft>1500)?1500:m_bytesLeft );
    //Log.Debug("PatchJob", "Sending %u byte chunk", header.chunk_size);

    result = m_client->BurstSend((const uint8*)&header,sizeof(TransferDataPacket));
    if(result)
    {
        result = m_client->BurstSend(m_dataPointer, header.chunk_size);
        if(result)
        {
            m_dataPointer += header.chunk_size;
            m_bytesSent += header.chunk_size;
            m_bytesLeft -= header.chunk_size;
        }
    }

    if(result)
        m_client->BurstPush();

    Log.Debug("AutoPatcher", "End 2.");
    m_client->BurstEnd();

    // no need to check the result here, could just be a full buffer and not necessarily a fatal error.
    return (m_bytesLeft>0)?true:false;
}