mirror of
https://github.com/sdr-enthusiasts/docker-adsb-ultrafeeder.git
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55 lines
No EOL
2.3 KiB
Text
Executable file
55 lines
No EOL
2.3 KiB
Text
Executable file
#!/command/with-contenv bash
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# shellcheck shell=bash disable=SC2015,SC2016,SC1091,SC2001,SC2154
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#---------------------------------------------------------------------------------------------
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# Copyright (C) 2023-2024, Ramon F. Kolb (kx1t) and contributors
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the 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 along with this program.
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# If not, see <https://www.gnu.org/licenses/>.
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#---------------------------------------------------------------------------------------------
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source /scripts/common
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# Check every 60 secs if GPSD has been enabled
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if [[ ! -f /run/readsb/gpsd.json ]] || [[ "$(jq -r .lat /run/readsb/gpsd.json)" == "null" ]]; then
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sleep 60 & wait $!
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fi
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# Then wait until all mlat-client instances have started
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while [[ ! -f /run/.all_mlatclient_instances_have_started ]]; do
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sleep 5 & wait $!
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done
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rm -f /run/.all_mlatclient_instances_have_started
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# Now wait a bit to allow GPS to establish itself
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sleep "${GPSD_INITIAL_WAIT:-60}"
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# Get initial lat/lon/alt
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lat="${LAT:-${READSB_LAT:-$(jq -r .lat /run/readsb/gpsd.json)}}"
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lon="${LONG:-${READSB_LON:-$(jq -r .lon /run/readsb/gpsd.json)}}"
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"${s6wrap[@]}" echo "GPSD is active. Your mlat-client(s) will restart with new coordinates if you move more than ${GPSD_MIN_DISTANCE:-20} meters"
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while :; do
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new_lat="$(jq -r .lat /run/readsb/gpsd.json)"
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new_lon="$(jq -r .lon /run/readsb/gpsd.json)"
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distance="$(nice -n 20 distance "$lat" "$lon" "$new_lat" "$new_lon")"
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if (( ${distance%%.*} > ${GPSD_MIN_DISTANCE:-20} )); then
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"${s6wrap[@]}" echo "Receiver moved ${distance%%.*} meters - restarting all mlat-clients"
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# kill the mlat-client instances so they get restarted with the new GPS coords
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pkill -f "/usr/bin/python3 /usr/bin/mlat-client" >/dev/null 2>&1
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lat="$new_lat"
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lon="$new_lon"
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fi
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sleep "${GPSD_CHECK_INTERVAL:-30}" & wait $!
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done |