MMDVMHost-Private/DMRLookup.cpp

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/*
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* Copyright (C) 2016,2017 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 "DMRLookup.h"
#include "Timer.h"
#include "Log.h"
#include <cstdio>
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#include <cstdlib>
#include <cstring>
#include <cctype>
CDMRLookup::CDMRLookup(const std::string& filename, unsigned int reloadTime) :
CThread(),
m_filename(filename),
m_reloadTime(reloadTime),
m_table(),
m_stop(false),
m_reload(false)
{
}
CDMRLookup::~CDMRLookup()
{
}
bool CDMRLookup::read()
{
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bool ret = m_table.load(m_filename);
if (m_reloadTime > 0U)
run();
return ret;
}
void CDMRLookup::reload()
{
if (m_reloadTime == 0U)
m_table.load(m_filename);
else
m_reload = true;
}
void CDMRLookup::entry()
{
LogInfo("Started the DMR Id lookup reload thread");
CTimer timer(1U, 3600U * m_reloadTime);
timer.start();
while (!m_stop) {
sleep(1000U);
timer.clock();
if (timer.hasExpired() || m_reload) {
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m_table.load(m_filename);
timer.start();
m_reload = false;
}
}
LogInfo("Stopped the DMR Id lookup reload thread");
}
void CDMRLookup::stop()
{
if (m_reloadTime == 0U) {
delete this;
return;
}
m_stop = true;
wait();
}
void CDMRLookup::findWithName(unsigned int id, class CUserDBentry *entry)
{
if (id == 0xFFFFFFU) {
entry->clear();
entry->set(keyCALLSIGN, "ALL");
return;
}
if (m_table.lookup(id, entry)) {
LogDebug("FindWithName =%s %s", entry->get(keyCALLSIGN).c_str(), entry->get(keyFIRST_NAME).c_str());
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} else {
entry->clear();
char text[10U];
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::snprintf(text, sizeof(text), "%u", id);
entry->set(keyCALLSIGN, text);
}
return;
}
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std::string CDMRLookup::find(unsigned int id)
{
std::string callsign;
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if (id == 0xFFFFFFU)
return std::string("ALL");
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class CUserDBentry entry;
if (m_table.lookup(id, &entry)) {
callsign = entry.get(keyCALLSIGN);
} else {
char text[10U];
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::snprintf(text, sizeof(text), "%u", id);
callsign = std::string(text);
}
return callsign;
}
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bool CDMRLookup::exists(unsigned int id)
{
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return m_table.lookup(id, NULL);
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}