68 lines
1.5 KiB
C++
68 lines
1.5 KiB
C++
/* -*- 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
|
|
}
|