diff.d

//before

in_buffer.length = packet_length;
conn.read(in_buffer);

// now
            
            while ( in_buffer.length < packet_size && conn.connected )
            {
                if ( conn.waitForData(1.seconds) )
                {
                    auto added_len = in_buffer.length + conn.leastSize > packet_size ?
                                                   packet_size : conn.leastSize;

                    in_buffer.length += added_len;

                    conn.read(in_buffer[$-added_len .. $]);
                }
            }