op25/op25/gr-op25/lib/ldu1.cc

109 lines
3.0 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 "ldu1.h"
#include <itpp/base/vec.h>
#include <itpp/base/converters.h>
#include <boost/format.hpp>
#include <iostream>
#include "pickle.h"
#include "value_string.h"
using std::string;
ldu1::ldu1(const_bit_queue& frame_body) :
ldu(frame_body)
{
}
ldu1::~ldu1()
{
}
void ldu1::do_correct_errors(bit_vector& frame_body)
{
ldu::do_correct_errors(frame_body);
if (!process_meta_data(frame_body))
return;
const itpp::bvec& data = raw_meta_data();
std::stringstream ss;
m_meta_data.m.lcf = bin2dec(data.mid(0, 8));
m_meta_data.m.mfid = bin2dec(data.mid(8, 8));
ss << (boost::format("%s: LCF: 0x%02x, MFID: 0x%02x") % duid_str() % m_meta_data.m.lcf % m_meta_data.m.mfid);
if (m_meta_data.m.lcf == 0x00)
{
m_meta_data.m0.emergency = data[16];
m_meta_data.m0.reserved = bin2dec(data.mid(17, 15));
m_meta_data.m0.tgid = bin2dec(data.mid(32, 16));
m_meta_data.m0.source = bin2dec(data.mid(48, 24));
ss << (boost::format(", Emergency: 0x%02x, Reserved: 0x%04x, TGID: 0x%04x, Source: 0x%06x") % m_meta_data.m0.emergency % m_meta_data.m0.reserved % m_meta_data.m0.tgid % m_meta_data.m0.source);
}
else if (m_meta_data.m.lcf == 0x03)
{
m_meta_data.m3.reserved = bin2dec(data.mid(16, 8));
m_meta_data.m3.destination = bin2dec(data.mid(24, 24));
m_meta_data.m3.source = bin2dec(data.mid(48, 24));
ss << (boost::format(", Reserved: 0x%02x, Destination: 0x%06x, Source: 0x%06x") % m_meta_data.m3.reserved % m_meta_data.m3.destination % m_meta_data.m3.source);
}
else
{
ss << " (unknown LCF)";
}
if (logging_enabled()) std::cerr << ss.str() << std::endl;
}
std::string
ldu1::snapshot() const
{
pickle p;
p.add("duid", duid_str());
p.add("mfid", lookup(m_meta_data.m.mfid, MFIDS, MFIDS_SZ));
if ((m_meta_data.m.lcf == 0x00) || (m_meta_data.m.lcf == 0x03))
p.add("source", (boost::format("0x%06x") % m_meta_data.m0.source).str());
if (m_meta_data.m.lcf == 0x00)
p.add("tgid", (boost::format("0x%04x") % m_meta_data.m0.tgid).str());
if (m_meta_data.m.lcf == 0x03)
p.add("dest", (boost::format("0x%06x") % m_meta_data.m3.destination).str());
return p.to_string();
}
ldu1::combined_meta_data
ldu1::meta_data() const
{
return m_meta_data;
}
string
ldu1::duid_str() const
{
return string("LDU1");
}