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157 lines
3.4 KiB
157 lines
3.4 KiB
/*
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* Copyright (C) 2009-2014,2016,2017,2018,2020 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 "IMRSNetwork.h"
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#include "YSFDefines.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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const unsigned int IMRS_PORT = 21110U;
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CIMRSNetwork::CIMRSNetwork() :
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m_socket(IMRS_PORT),
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m_dgIds()
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{
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}
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CIMRSNetwork::~CIMRSNetwork()
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{
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}
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void CIMRSNetwork::addDGId(unsigned int dgId, const std::vector<IMRSDest*>& destinations, bool debug)
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{
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IMRSDGId* f = new IMRSDGId;
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f->m_dgId = dgId;
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f->m_destinations = destinations;
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f->m_debug = debug;
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m_dgIds.push_back(f);
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}
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bool CIMRSNetwork::open()
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{
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LogMessage("Opening IMRS network connection");
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return m_socket.open();
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}
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void CIMRSNetwork::write(unsigned int dgId, const unsigned char* data)
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{
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assert(data != NULL);
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IMRSDGId* ptr = find(dgId);
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if (ptr == NULL)
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return;
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unsigned char buffer[200U];
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for (std::vector<IMRSDest*>::const_iterator it = ptr->m_destinations.begin(); it != ptr->m_destinations.end(); ++it) {
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if (ptr->m_debug)
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CUtils::dump(1U, "IMRS Network Data Sent", buffer, 130U);
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m_socket.write(buffer, 130U, (*it)->m_address, IMRS_PORT);
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}
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}
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void CIMRSNetwork::link()
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{
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}
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void CIMRSNetwork::unlink()
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{
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}
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void CIMRSNetwork::clock(unsigned int ms)
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{
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unsigned char buffer[500U];
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in_addr address;
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unsigned int port;
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int length = m_socket.read(buffer, 500U, address, port);
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if (length <= 0)
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return;
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if (port != IMRS_PORT)
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return;
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IMRSDGId* ptr = find(address);
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if (ptr == NULL)
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return;
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if (ptr->m_debug)
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CUtils::dump(1U, "IMRS Network Data Received", buffer, length);
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unsigned char len = length;
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ptr->m_buffer.addData(&len, 1U);
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ptr->m_buffer.addData(buffer, len);
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}
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unsigned int CIMRSNetwork::read(unsigned int dgId, unsigned char* data)
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{
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assert(data != NULL);
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IMRSDGId* ptr = find(dgId);
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if (ptr == NULL)
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return 0U;
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if (ptr->m_buffer.isEmpty())
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return 0U;
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unsigned char len = 0U;
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ptr->m_buffer.getData(&len, 1U);
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ptr->m_buffer.getData(data, len);
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return len;
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}
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void CIMRSNetwork::close()
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{
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LogMessage("Closing IMRS network connection");
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m_socket.close();
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}
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IMRSDGId* CIMRSNetwork::find(in_addr address) const
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{
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for (std::vector<IMRSDGId*>::const_iterator it1 = m_dgIds.begin(); it1 != m_dgIds.end(); ++it1) {
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for (std::vector<IMRSDest*>::const_iterator it2 = (*it1)->m_destinations.begin(); it2 != (*it1)->m_destinations.end(); ++it2) {
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if (address.s_addr == (*it2)->m_address.s_addr)
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return *it1;
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}
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}
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return NULL;
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}
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IMRSDGId* CIMRSNetwork::find(unsigned int dgId) const
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{
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for (std::vector<IMRSDGId*>::const_iterator it = m_dgIds.begin(); it != m_dgIds.end(); ++it) {
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if (dgId == (*it)->m_dgId)
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return *it;
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}
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return NULL;
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}
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