diff options
Diffstat (limited to 'blocks/src/lib/pdu.cc')
-rw-r--r-- | blocks/src/lib/pdu.cc | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/blocks/src/lib/pdu.cc b/blocks/src/lib/pdu.cc new file mode 100644 index 0000000..5b479af --- /dev/null +++ b/blocks/src/lib/pdu.cc @@ -0,0 +1,67 @@ +/* -*- C++ -*- */ + +/* + * Copyright 2008 Steve Glass + * + * This file is part of OP25. + * + * OP25 is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3, or (at your option) + * any later version. + * + * OP25 is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public + * License for more details. + * + * You should have received a copy of the GNU General Public License + * along with OP25; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 51 Franklin Street, Boston, MA + * 02110-1301, USA. + */ + +#include <pdu.h> + +using std::string; + +pdu::pdu(const_bit_queue& frame_body) : + abstract_data_unit(frame_body) +{ +} +pdu::~pdu() +{ +} + +string +pdu::duid_str() const +{ + return string("PDU"); +} + +void +pdu::do_correct_errors(bit_vector& frame_body) +{ +} + +uint16_t +pdu::frame_size_max() const +{ +#if 1 + const size_t HEADER_BLOCK_SIZE = 720; + return HEADER_BLOCK_SIZE; +#else + const size_t MIN_HEADER_BLOCK_SZ = 312; + // after HEADER_BLOCK_SIZE bits have been read we can then use the + // header contents to decide on frame_size_max + + size_t n = MIN_HEADER_BLOCK_SZ; + if(n < ) { + static const size_t BITS[] = {}; + static const size_t BITS_SZ = sizeof(BITS) / sizeof(BITS[0]); + n = extract(); + } + return n; + +#endif +} |