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hyteraDecode.c
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hyteraDecode.c
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/*
* Linux DMR Master server
Copyright (C) 2014 Wim Hofman
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.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "master_server.h"
void sendAprs();
int checkCoordinates();
sqlite3 *openDatabase();
void closeDatabase();
void decodeHyteraGpsTriggered(int radioId,int destId,struct repeater repeater, unsigned char data[300]){
struct gpsCoordinates gpsData = {0};
memcpy(gpsData.latitude,data+33,3);
memcpy(gpsData.latitude+3,data+38,4);
memcpy(gpsData.latitude+7,data+32,1);
memcpy(gpsData.longitude,data+45,8);
memcpy(gpsData.longitude+8,data+44,1);
memcpy(gpsData.speed,data+57,3);
memcpy(gpsData.heading,data+60,3);
syslog(LOG_NOTICE,"[%s]Decoded GPS data triggered(Hytera): LAT(%s) LONG(%s) SPEED(%s) HEADING(%s)",repeater.callsign,gpsData.latitude,gpsData.longitude,gpsData.speed,gpsData.heading);
if (checkCoordinates(gpsData,repeater) == 1) sendAprs(gpsData,radioId,destId,repeater);
}
void decodeHyteraGpsButton(int radioId,int destId,struct repeater repeater, unsigned char data[300]){
struct gpsCoordinates gpsData = {0};
memcpy(gpsData.latitude,data+35,1);
memcpy(gpsData.latitude+1,data+38,6);
memcpy(gpsData.latitude+7,data+34,1);
memcpy(gpsData.longitude,data+47,7);
memcpy(gpsData.longitude+7,data+56,1);
memcpy(gpsData.longitude+8,data+46,1);
memcpy(gpsData.speed,data+59,3);
memcpy(gpsData.heading,data+62,3);
syslog(LOG_NOTICE,"[%s]Decoded GPS data button(Hytera): LAT(%s) LONG(%s) SPEED(%s) HEADING(%s)",repeater.callsign,gpsData.latitude,gpsData.longitude,gpsData.speed,gpsData.heading);
if (checkCoordinates(gpsData,repeater) == 1) sendAprs(gpsData,radioId,destId,repeater);
}
void decodeHyteraGpsCompressed(int radioId,struct repeater repeater, unsigned char data[300]){
syslog(LOG_NOTICE,"[%s]Compressed GPS data(Hytera) not decoding",repeater.callsign);
}
void decodeHyteraRrs(struct repeater repeater, unsigned char data[300]){
sqlite3 *dbase;
sqlite3_stmt *stmt;
unsigned char callsign[33];
unsigned char name[33];
char SQLQUERY[200];
char timeStamp[20];
int srcId = 0;
srcId = data[8] << 16 | data[9] << 8 | data[10];
dbase = openDatabase();
sprintf(SQLQUERY,"SELECT callsign,name FROM callsigns WHERE radioId = %i",srcId);
if (sqlite3_prepare_v2(dbase,SQLQUERY,-1,&stmt,0) == 0){
if (sqlite3_step(stmt) == SQLITE_ROW){
sprintf(callsign,"%s",sqlite3_column_text(stmt,0));
sprintf(name,"%s",sqlite3_column_text(stmt,1));
sqlite3_finalize(stmt);
}
else{
sqlite3_finalize(stmt);
syslog(LOG_NOTICE,"[%s]DMR ID %i not found in database",repeater.callsign,srcId);
closeDatabase(dbase);
return;
}
}
else{
syslog(LOG_NOTICE,"[%s]Bad query %s",repeater.callsign,SQLQUERY);
closeDatabase(dbase);
return;
}
time_t now = time(NULL);
struct tm *t = localtime(&now);
strftime(timeStamp,sizeof(timeStamp),"%Y-%m-%d %H:%M:%S",t);
sprintf(SQLQUERY,"REPLACE into rrs (radioId,callsign,name,registerTime,onRepeater,unixTime) VALUES (%i,'%s','%s','%s','%s',%lu)",srcId,callsign,name,timeStamp,repeater.callsign,now);
if (sqlite3_exec(dbase,SQLQUERY,0,0,0) != 0){
syslog(LOG_NOTICE,"Failed to update rrs in database: %s",sqlite3_errmsg(dbase));
}
syslog(LOG_NOTICE,"[%s]Hytera RADIO REGISTER from %i %s",repeater.callsign,srcId,callsign);
closeDatabase(dbase);
}
void decodeHyteraOffRrs(struct repeater repeater, unsigned char data[300]){
sqlite3 *dbase;
sqlite3_stmt *stmt;
unsigned char callsign[33];
char SQLQUERY[200];
int srcId = 0;
srcId = data[8] << 16 | data[9] << 8 | data[10];
dbase = openDatabase();
sprintf(SQLQUERY,"SELECT callsign FROM callsigns WHERE radioId = %i",srcId);
if (sqlite3_prepare_v2(dbase,SQLQUERY,-1,&stmt,0) == 0){
if (sqlite3_step(stmt) == SQLITE_ROW){
sprintf(callsign,"%s",sqlite3_column_text(stmt,0));
sqlite3_finalize(stmt);
}
else{
sqlite3_finalize(stmt);
syslog(LOG_NOTICE,"[%s]DMR ID %i not found in database",repeater.callsign,srcId);
closeDatabase(dbase);
return;
}
}
else{
syslog(LOG_NOTICE,"[%s]Bad query %s",repeater.callsign,SQLQUERY);
}
sprintf(SQLQUERY,"DELETE FROM rrs where radioId = %i",srcId);
if (sqlite3_exec(dbase,SQLQUERY,0,0,0) != 0){
syslog(LOG_NOTICE,"Failed to delete rrs in database: %s",sqlite3_errmsg(dbase));
closeDatabase(dbase);
return;
}
syslog(LOG_NOTICE,"[%s]Hytera RADIO OFFLINE from %i %s",repeater.callsign,srcId,callsign);
closeDatabase(dbase);
}