160 lines
3.9 KiB
C++
160 lines
3.9 KiB
C++
/*
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* Copyright (C) 2016,2018 by Jonathan Naylor G4KLX
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Reflectors.h"
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#include "Log.h"
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#include <algorithm>
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#include <functional>
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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#include <cctype>
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CReflectors::CReflectors(const std::string& hostsFile1, const std::string& hostsFile2, unsigned int reloadTime) :
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m_hostsFile1(hostsFile1),
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m_hostsFile2(hostsFile2),
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m_parrotAddress(),
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m_parrotPort(0U),
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m_reflectors(),
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m_timer(1000U, reloadTime * 60U)
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{
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if (reloadTime > 0U)
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m_timer.start();
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}
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CReflectors::~CReflectors()
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{
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for (std::vector<CNXDNReflector*>::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it)
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delete *it;
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m_reflectors.clear();
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}
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void CReflectors::setParrot(const std::string& address, unsigned int port)
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{
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m_parrotAddress = address;
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m_parrotPort = port;
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}
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bool CReflectors::load()
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{
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// Clear out the old reflector list
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for (std::vector<CNXDNReflector*>::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it)
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delete *it;
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m_reflectors.clear();
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FILE* fp = ::fopen(m_hostsFile1.c_str(), "rt");
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if (fp != NULL) {
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char buffer[100U];
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while (::fgets(buffer, 100U, fp) != NULL) {
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if (buffer[0U] == '#')
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continue;
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char* p1 = ::strtok(buffer, " \t\r\n");
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char* p2 = ::strtok(NULL, " \t\r\n");
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char* p3 = ::strtok(NULL, " \t\r\n");
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if (p1 != NULL && p2 != NULL && p3 != NULL) {
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std::string host = std::string(p2);
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in_addr address = CUDPSocket::lookup(host);
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if (address.s_addr != INADDR_NONE) {
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CNXDNReflector* refl = new CNXDNReflector;
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refl->m_id = (unsigned int)::atoi(p1);
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refl->m_address = address;
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refl->m_port = (unsigned int)::atoi(p3);
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m_reflectors.push_back(refl);
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}
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}
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}
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::fclose(fp);
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}
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fp = ::fopen(m_hostsFile2.c_str(), "rt");
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if (fp != NULL) {
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char buffer[100U];
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while (::fgets(buffer, 100U, fp) != NULL) {
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if (buffer[0U] == '#')
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continue;
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char* p1 = ::strtok(buffer, " \t\r\n");
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char* p2 = ::strtok(NULL, " \t\r\n");
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char* p3 = ::strtok(NULL, " \t\r\n");
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if (p1 != NULL && p2 != NULL && p3 != NULL) {
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std::string host = std::string(p2);
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in_addr address = CUDPSocket::lookup(host);
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if (address.s_addr != INADDR_NONE) {
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CNXDNReflector* refl = new CNXDNReflector;
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refl->m_id = (unsigned int)::atoi(p1);
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refl->m_address = address;
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refl->m_port = (unsigned int)::atoi(p3);
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m_reflectors.push_back(refl);
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}
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}
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}
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::fclose(fp);
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}
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size_t size = m_reflectors.size();
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LogInfo("Loaded %u NXDN reflectors", size);
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// Add the Parrot entry
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if (m_parrotPort > 0U) {
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CNXDNReflector* refl = new CNXDNReflector;
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refl->m_id = 10U;
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refl->m_address = CUDPSocket::lookup(m_parrotAddress);
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refl->m_port = m_parrotPort;
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m_reflectors.push_back(refl);
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LogInfo("Loaded NXDN parrot (TG%u)", refl->m_id);
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}
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size = m_reflectors.size();
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if (size == 0U)
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return false;
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return true;
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}
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CNXDNReflector* CReflectors::find(unsigned int id)
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{
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for (std::vector<CNXDNReflector*>::iterator it = m_reflectors.begin(); it != m_reflectors.end(); ++it) {
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if (id == (*it)->m_id)
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return *it;
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}
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return NULL;
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}
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void CReflectors::clock(unsigned int ms)
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{
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m_timer.clock(ms);
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if (m_timer.isRunning() && m_timer.hasExpired()) {
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load();
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m_timer.start();
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}
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}
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