mirror of
https://github.com/ShaYmez/NXDNClients.git
synced 2024-11-29 18:48:45 -05:00
160 lines
2.9 KiB
C++
160 lines
2.9 KiB
C++
/*
|
|
* Copyright (C) 2016,2017,2018 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 "NXDNLookup.h"
|
|
#include "Timer.h"
|
|
#include "Log.h"
|
|
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <cstring>
|
|
#include <cctype>
|
|
|
|
CNXDNLookup::CNXDNLookup(const std::string& filename, unsigned int reloadTime) :
|
|
CThread(),
|
|
m_filename(filename),
|
|
m_reloadTime(reloadTime),
|
|
m_table(),
|
|
m_mutex(),
|
|
m_stop(false)
|
|
{
|
|
}
|
|
|
|
CNXDNLookup::~CNXDNLookup()
|
|
{
|
|
}
|
|
|
|
bool CNXDNLookup::read()
|
|
{
|
|
bool ret = load();
|
|
|
|
if (m_reloadTime > 0U)
|
|
run();
|
|
|
|
return ret;
|
|
}
|
|
|
|
void CNXDNLookup::entry()
|
|
{
|
|
LogInfo("Started the NXDN Id lookup reload thread");
|
|
|
|
CTimer timer(1U, 3600U * m_reloadTime);
|
|
timer.start();
|
|
|
|
while (!m_stop) {
|
|
sleep(1000U);
|
|
|
|
timer.clock();
|
|
if (timer.hasExpired()) {
|
|
load();
|
|
timer.start();
|
|
}
|
|
}
|
|
|
|
LogInfo("Stopped the NXDN Id lookup reload thread");
|
|
}
|
|
|
|
void CNXDNLookup::stop()
|
|
{
|
|
if (m_reloadTime == 0U) {
|
|
delete this;
|
|
return;
|
|
}
|
|
|
|
m_stop = true;
|
|
|
|
wait();
|
|
}
|
|
|
|
std::string CNXDNLookup::find(unsigned int id)
|
|
{
|
|
std::string callsign;
|
|
|
|
if (id == 0xFFFFU)
|
|
return std::string("ALL");
|
|
|
|
m_mutex.lock();
|
|
|
|
try {
|
|
callsign = m_table.at(id);
|
|
} catch (...) {
|
|
char text[10U];
|
|
::sprintf(text, "%u", id);
|
|
callsign = std::string(text);
|
|
}
|
|
|
|
m_mutex.unlock();
|
|
|
|
return callsign;
|
|
}
|
|
|
|
bool CNXDNLookup::exists(unsigned int id)
|
|
{
|
|
m_mutex.lock();
|
|
|
|
bool found = m_table.count(id) == 1U;
|
|
|
|
m_mutex.unlock();
|
|
|
|
return found;
|
|
}
|
|
|
|
bool CNXDNLookup::load()
|
|
{
|
|
FILE* fp = ::fopen(m_filename.c_str(), "rt");
|
|
if (fp == NULL) {
|
|
LogWarning("Cannot open the NXDN Id lookup file - %s", m_filename.c_str());
|
|
return false;
|
|
}
|
|
|
|
m_mutex.lock();
|
|
|
|
// Remove the old entries
|
|
m_table.clear();
|
|
|
|
char buffer[100U];
|
|
while (::fgets(buffer, 100U, fp) != NULL) {
|
|
if (buffer[0U] == '#')
|
|
continue;
|
|
|
|
char* p1 = ::strtok(buffer, ",\t\r\n");
|
|
char* p2 = ::strtok(NULL, ",\t\r\n");
|
|
|
|
if (p1 != NULL && p2 != NULL) {
|
|
unsigned int id = (unsigned int)::atoi(p1);
|
|
if (id > 0U) {
|
|
for (char* p = p2; *p != 0x00U; p++)
|
|
*p = ::toupper(*p);
|
|
|
|
m_table[id] = std::string(p2);
|
|
}
|
|
}
|
|
}
|
|
|
|
m_mutex.unlock();
|
|
|
|
::fclose(fp);
|
|
|
|
size_t size = m_table.size();
|
|
if (size == 0U)
|
|
return false;
|
|
|
|
LogInfo("Loaded %u Ids to the NXDN callsign lookup table", size);
|
|
|
|
return true;
|
|
} |