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73 lines
2.2 KiB
73 lines
2.2 KiB
/*
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* Copyright (C) 2021-2022 by Geoffrey Merck F4FXL / KC3FRA
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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 <boost/algorithm/string.hpp>
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#include "APRStoDPRS.h"
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#include "Log.h"
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#include "RSMS1AMessageBuilder.h"
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bool CAPRSToDPRS::aprsToDPRS(std::string& dprs, std::string& text, CHeaderData& header, CAPRSFrame& frame)
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{
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dprs.clear();
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text.clear();
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switch (frame.getType())
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{
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case APFT_MESSAGE :
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return messageToDPRS(dprs, text, header, frame);
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default:
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break;
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}
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return false;
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}
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bool CAPRSToDPRS::messageToDPRS(std::string& dprs, std::string& text, CHeaderData& header, CAPRSFrame& frame)
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{
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auto frameBody = frame.getBody();
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if(frameBody.length() < 11 || frameBody[0] != ':' || frameBody[10] != ':') {
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CLog::logDebug("Invalid APRS message body : %s", frameBody.c_str());
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return false;
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}
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// extract recipient
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auto recipient = boost::trim_copy(frameBody.substr(1, 9));
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if(recipient.empty()) {
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CLog::logDebug("APRS message has no recipient");
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return false;
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}
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auto dashPos = recipient.find_first_of('-');
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if(dashPos != std::string::npos)
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recipient = recipient.substr(0, dashPos);
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//extract message body
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auto messageBody = boost::trim_copy(frameBody.substr(11));
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header.setId(header.createId());
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header.setMyCall1(frame.getSource());
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header.setMyCall2("MSG");
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header.setYourCall(recipient);
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CRSMS1AMessageBuilder::buildMessage(dprs, frame.getSource(), recipient, messageBody);
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text = messageBody;
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return true;
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} |