229 lines
6.5 KiB
Bash
229 lines
6.5 KiB
Bash
#!/bin/sh
|
|
|
|
NAME=dump1090-mutability
|
|
CONFIGFILE=/etc/default/$NAME
|
|
set -e
|
|
. /usr/share/debconf/confmodule
|
|
|
|
db_set_yn() {
|
|
if [ "x$2" = "xyes" ]; then db_set $1 true; else db_set $1 false; fi
|
|
}
|
|
|
|
# Load config file, if it exists.
|
|
if [ -e $CONFIGFILE ]; then
|
|
. $CONFIGFILE || true
|
|
|
|
# Store values from config file into
|
|
# debconf db.
|
|
|
|
db_set_yn $NAME/auto-start "$START_DUMP1090"
|
|
db_set $NAME/run-as-user "$DUMP1090_USER"
|
|
db_set $NAME/log-file "$LOGFILE"
|
|
|
|
db_set $NAME/rtlsdr-device "$DEVICE"
|
|
db_set $NAME/rtlsdr-gain "$GAIN"
|
|
db_set $NAME/rtlsdr-ppm "$PPM"
|
|
db_set_yn $NAME/rtlsdr-oversample "$OVERSAMPLE"
|
|
|
|
db_set_yn $NAME/decode-fixcrc "$FIX_CRC"
|
|
db_set_yn $NAME/decode-phase-enhance "$PHASE_ENHANCE"
|
|
db_set_yn $NAME/decode-aggressive "$AGGRESSIVE"
|
|
db_set $NAME/decode-lat "$LAT"
|
|
db_set $NAME/decode-lon "$LON"
|
|
db_set $NAME/decode-max-range "$MAX_RANGE"
|
|
|
|
db_set $NAME/net-http-port "$HTTP_PORT"
|
|
db_set $NAME/net-ri-port "$RAW_INPUT_PORT"
|
|
db_set $NAME/net-ro-port "$RAW_OUTPUT_PORT"
|
|
db_set $NAME/net-bi-port "$BEAST_INPUT_PORT"
|
|
db_set $NAME/net-bo-port "$BEAST_OUTPUT_PORT"
|
|
db_set $NAME/net-sbs-port "$SBS_OUTPUT_PORT"
|
|
db_set $NAME/net-fatsv-port "$FATSV_OUTPUT_PORT"
|
|
db_set $NAME/net-heartbeat "$NET_HEARTBEAT"
|
|
db_set $NAME/net-out-size "$NET_OUTPUT_SIZE"
|
|
db_set $NAME/net-out-interval "$NET_OUTPUT_INTERVAL"
|
|
db_set $NAME/net-buffer "$NET_BUFFER"
|
|
db_set $NAME/net-bind-address "$NET_BIND_ADDRESS"
|
|
|
|
db_set $NAME/stats-interval "$STATS_INTERVAL"
|
|
db_set $NAME/json-dir "$JSON_DIR"
|
|
db_set $NAME/json-interval "$JSON_INTERVAL"
|
|
db_set $NAME/json-location-accuracy "$JSON_LOCATION_ACCURACY"
|
|
db_set_yn $NAME/log-decoded-messages "$LOG_DECODED_MESSAGES"
|
|
db_set $NAME/extra-args "$EXTRA_ARGS"
|
|
fi
|
|
|
|
# Ask questions.
|
|
|
|
db_input_verify() {
|
|
# $1 = priority
|
|
# $2 = db key
|
|
# $3 = verification function, should return 0 if OK
|
|
PRI=$1; KEY=$2; VERIFY=$3
|
|
|
|
set +e
|
|
db_input $PRI $KEY; RESULT=$?
|
|
db_go
|
|
set -e
|
|
ASKED=0
|
|
while :
|
|
do
|
|
db_get $KEY
|
|
if $VERIFY $RET; then return 0; fi
|
|
if [ $RESULT -ne 0 ]; then
|
|
# db_input failed, and the existing value does not validate
|
|
if [ $RESULT = 30 ] && [ $ASKED = 0 ]
|
|
then
|
|
# question was skipped, but existing value is invalid
|
|
# bump priority and try again (once)
|
|
PRI=high
|
|
ASKED=1
|
|
else
|
|
# give up, use the default value
|
|
db_reset $KEY
|
|
return 0
|
|
fi
|
|
else
|
|
# db_input was OK, but the value did not verify.
|
|
# show an error message
|
|
db_input high dump1090-mutability/invalid-$VERIFY || true
|
|
fi
|
|
|
|
# try again
|
|
set +e
|
|
db_fset $KEY seen false
|
|
db_input high $KEY; RESULT=$?
|
|
db_go
|
|
set -e
|
|
done
|
|
}
|
|
|
|
is_unsigned_int() {
|
|
if echo "$1" | grep -Eq '^(0|+?[1-9][0-9]*)$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_unsigned_int_or_empty() {
|
|
if [ -z "$1" ]; then return 0
|
|
elif is_unsigned_int "$1"; then return 0
|
|
else return 1; fi
|
|
}
|
|
|
|
is_positive_int() {
|
|
if echo "$1" | grep -Eq '^(+?[1-9][0-9]*)$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_signed_int() {
|
|
if echo "$1" | grep -Eq '^(0|[+-]?[1-9][0-9]*)$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_signed_int_or_empty() {
|
|
if [ -z "$1" ]; then return 0
|
|
elif is_signed_int "$1"; then return 0
|
|
else return 1; fi
|
|
}
|
|
|
|
is_ipaddrish() {
|
|
if echo "$1" | grep -Eq '^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_ipaddrish_or_empty() {
|
|
if [ -z "$1" ]; then return 0
|
|
elif is_ipaddrish "$1"; then return 0
|
|
else return 1; fi
|
|
}
|
|
|
|
is_number() {
|
|
if echo "$1" | grep -Eq '^([+-]?[0-9][0-9]*)(\.[0-9]+)?$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_unsigned_number() {
|
|
if echo "$1" | grep -Eq '^([+]?[0-9][0-9]*)(\.[0-9]+)?$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_positive_number() {
|
|
if echo "$1" | grep -Eq '^(([+]?0\.[0-9]*[1-9]+[0-9]*)|([+]?[1-9][0-9]*)(\.[0-9]+)?)$'; then return 0; else return 1; fi
|
|
}
|
|
|
|
is_number_or_empty() {
|
|
if [ -z "$1" ]; then return 0
|
|
elif is_number "$1"; then return 0;
|
|
else return 1; fi
|
|
}
|
|
|
|
is_valid_gain() {
|
|
if is_number "$1"; then return 0;
|
|
elif [ "$1" = "max" ]; then return 0;
|
|
elif [ "$1" = "agc" ]; then return 0;
|
|
else return 1; fi
|
|
}
|
|
|
|
is_not_empty() {
|
|
if [ -z "$1" ]; then return 1; else return 0; fi
|
|
}
|
|
|
|
is_port_number() {
|
|
if is_unsigned_int "$1"; then
|
|
if [ "$1" -eq 0 ]; then return 0; fi
|
|
if [ "$1" -lt 1024 ]; then return 1; fi
|
|
if [ "$1" -gt 65535 ]; then return 1; fi
|
|
return 0
|
|
else
|
|
return 1
|
|
fi
|
|
}
|
|
|
|
db_input high $NAME/auto-start || true
|
|
|
|
db_go || true; db_get $NAME/auto-start; if [ "$RET" = "true" ]; then
|
|
# all of these are only relevant if the init script is enabled
|
|
|
|
db_input_verify low $NAME/run-as-user is_not_empty || true
|
|
db_input_verify low $NAME/log-file is_not_empty || true
|
|
|
|
db_input medium $NAME/rtlsdr-device || true
|
|
|
|
db_go || true; db_get $NAME/rtlsdr-device; if [ "x$RET" != "xnone" ]; then
|
|
# only if a real device was chosen:
|
|
db_input_verify medium $NAME/rtlsdr-gain is_valid_gain || true
|
|
db_input_verify medium $NAME/rtlsdr-ppm is_signed_int || true
|
|
db_input low $NAME/rtlsdr-oversample || true
|
|
fi
|
|
|
|
db_input low $NAME/decode-fix-crc || true
|
|
db_input low $NAME/decode-aggressive || true
|
|
db_input_verify medium $NAME/decode-max-range is_number || true
|
|
db_input_verify medium $NAME/decode-lat is_number_or_empty || true
|
|
|
|
db_go || true; db_get $NAME/decode-lat; if [ -n "$RET" ]; then
|
|
# only if latitude was given:
|
|
db_input_verify medium $NAME/decode-lon is_number_or_empty || true
|
|
fi
|
|
|
|
db_input_verify medium $NAME/net-http-port is_port_number || true
|
|
db_input_verify low $NAME/net-ri-port is_port_number || true
|
|
db_input_verify low $NAME/net-ro-port is_port_number || true
|
|
db_input_verify low $NAME/net-bi-port is_port_number || true
|
|
db_input_verify low $NAME/net-bo-port is_port_number || true
|
|
db_input_verify low $NAME/net-sbs-port is_port_number || true
|
|
db_input_verify low $NAME/net-fatsv-port is_port_number || true
|
|
db_input_verify low $NAME/net-heartbeat is_unsigned_number || true
|
|
db_input_verify low $NAME/net-out-size is_unsigned_int || true
|
|
db_input_verify low $NAME/net-out-interval is_unsigned_number || true
|
|
db_input_verify low $NAME/net-buffer is_unsigned_int || true
|
|
db_input_verify medium $NAME/net-bind-address is_ipaddrish_or_empty || true
|
|
|
|
db_input_verify low $NAME/stats-interval is_unsigned_int || true
|
|
|
|
db_input_verify low $NAME/json-interval is_positive_number || true
|
|
db_input low $NAME/json-location-accuracy || true
|
|
db_input low $NAME/json-dir || true
|
|
|
|
db_input low $NAME/log-decoded-messages || true
|
|
db_input low $NAME/extra-args || true
|
|
|
|
db_go || True
|
|
fi
|
|
|
|
# Done.
|
|
db_stop
|