DMRGateway/RewriteSrc.cpp

/*
*   Copyright (C) 2017,2020 by Jonathan Naylor G4KLX
*
*   This program 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 2 of the License, or
*   (at your option) any later version.
*
*   This program 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 this program; if not, write to the Free Software
*   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "RewriteSrc.h"

#include "DMRDefines.h"
#include "Log.h"

#include <cstdio>
#include <cassert>

CRewriteSrc::CRewriteSrc(const std::string& name, unsigned int fromSlot, unsigned int fromId, unsigned int toSlot, unsigned int toTG, unsigned int range) :
CRewrite(),
m_name(name),
m_fromSlot(fromSlot),
m_fromIdStart(fromId),
m_fromIdEnd(fromId + range - 1U),
m_toSlot(toSlot),
m_toTG(toTG)
{
	assert(fromSlot == 1U || fromSlot == 2U);
	assert(toSlot == 1U || toSlot == 2U);
}

CRewriteSrc::~CRewriteSrc()
{
}

PROCESS_RESULT CRewriteSrc::process(CDMRData& data, bool trace)
{
	FLCO flco = data.getFLCO();
	unsigned int srcId = data.getSrcId();
	unsigned int slotNo = data.getSlotNo();

	if (flco != FLCO_USER_USER || slotNo != m_fromSlot || srcId < m_fromIdStart || srcId > m_fromIdEnd) {
		if (trace)
			LogDebug("Rule Trace,\tRewriteSrc from %s Slot=%u Src=%u-%u: not matched", m_name.c_str(), m_fromSlot, m_fromIdStart, m_fromIdEnd);

		return RESULT_UNMATCHED;
	}

	if (m_fromSlot != m_toSlot)
		data.setSlotNo(m_toSlot);

	data.setDstId(m_toTG);
	data.setFLCO(FLCO_GROUP);

	processMessage(data);

	if (trace) {
		LogDebug("Rule Trace,\tRewriteSrc from %s Slot=%u Src=%u-%u: matched", m_name.c_str(), m_fromSlot, m_fromIdStart, m_fromIdEnd);
		LogDebug("Rule Trace,\tRewriteSrc to %s Slot=%u Dst=TG%u", m_name.c_str(), m_toSlot, m_toTG);
	}

	return RESULT_MATCHED;
}