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nexus-utilities/dw_pat_gui.sh
Steve Magnuson 4b3ad7fff9 Added script to edit pat connection aliases
2020-05-08 14:33:33 -07:00

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#!/bin/bash
#================================================================
# HEADER
#================================================================
#% SYNOPSIS
#+ ${SCRIPT_NAME} [-hv]
#%
#% DESCRIPTION
#% This script provides a GUI to configure and start/stop
#% Direwolf and pat. It is designed to work on the Hampi image.
#%
#% OPTIONS
#% -h, --help Print this help
#% -v, --version Print script information
#%
#================================================================
#- IMPLEMENTATION
#- version ${SCRIPT_NAME} 1.3.7
#- author Steve Magnuson, AG7GN
#- license CC-BY-SA Creative Commons License
#- script_id 0
#-
#================================================================
# HISTORY
# 20200428 : Steve Magnuson : Script creation.
# 20200507 : Steve Magnuson : Bug fixes
#
#================================================================
# DEBUG OPTION
# set -n # Uncomment to check your syntax, without execution.
# set -x # Uncomment to debug this shell script
#
#================================================================
# END_OF_HEADER
#================================================================
SYNTAX=false
DEBUG=false
Optnum=$#
#============================
# FUNCTIONS
#============================
function TrapCleanup() {
[[ -d "${TMPDIR}" ]] && rm -rf "${TMPDIR}/"
pkill "^(pat|direwolf)"
for P in ${YAD_PIDs[@]}
do
kill $P >/dev/null 2>&1
done
kill $RIG_PID >/dev/null 2>&1
sudo pkill kissattach >/dev/null 2>&1
rm -f /tmp/kisstnc
rm -f $PIPE
}
function SafeExit() {
TrapCleanup
trap - INT TERM EXIT
exit 0
}
function ScriptInfo() {
HEAD_FILTER="^#-"
[[ "$1" = "usage" ]] && HEAD_FILTER="^#+"
[[ "$1" = "full" ]] && HEAD_FILTER="^#[%+]"
[[ "$1" = "version" ]] && HEAD_FILTER="^#-"
head -${SCRIPT_HEADSIZE:-99} ${0} | grep -e "${HEAD_FILTER}" | \
sed -e "s/${HEAD_FILTER}//g" \
-e "s/\${SCRIPT_NAME}/${SCRIPT_NAME}/g" \
-e "s/\${SPEED}/${SPEED}/g" \
-e "s/\${DEFAULT_PORTSTRING}/${DEFAULT_PORTSTRING}/g"
}
function Usage() {
printf "Usage: "
ScriptInfo usage
exit
}
function Die () {
echo "${*}"
SafeExit
}
function loadSettings () {
MODEMs="1200!9600"
ARATEs="48000!96000"
PTTs="GPIO 12!GPIO 23"
DW_CONFIG="$TMPDIR/direwolf.conf"
if [ -s "$CONFIG_FILE" ]
then # There is a config file
echo "$CONFIG_FILE found." >&3
source "$CONFIG_FILE"
else # Set some default values in a new config file
echo "Config file $CONFIG_FILE not found. Creating a new one with default values." >&3
echo "declare -gA F" > "$CONFIG_FILE"
echo "F[_CALL_]='N0CALL'" >> "$CONFIG_FILE"
echo "F[_MODEM_]='1200'" >> "$CONFIG_FILE"
echo "F[_ADEVICE_CAPTURE_]='null'" >> "$CONFIG_FILE"
echo "F[_ADEVICE_PLAY_]='null'" >> "$CONFIG_FILE"
echo "F[_ARATE_]='96000'" >> "$CONFIG_FILE"
echo "F[_PTT_]='GPIO 23'" >> "$CONFIG_FILE"
echo "F[_TXDELAY_]='200'" >> "$CONFIG_FILE"
echo "F[_TXTAIL_]='50'" >> "$CONFIG_FILE"
echo "F[_PERSIST_]='64'" >> "$CONFIG_FILE"
echo "F[_SLOTTIME_]='20'" >> "$CONFIG_FILE"
echo "F[_AUDIOSTATS_]='60'" >> "$CONFIG_FILE"
echo "F[_AGWPORT_]='8001'" >> "$CONFIG_FILE"
echo "F[_KISSPORT_]='8010'" >> "$CONFIG_FILE"
echo "F[_PAT_HTTP_]='FALSE'" >> "$CONFIG_FILE"
source "$CONFIG_FILE"
fi
MYCALL="${F[_CALL_]}"
[[ $MODEMs =~ ${F[_MODEM_]} ]] && MODEMs="$(echo "$MODEMs" | sed "s/${F[_MODEM_]}/\^${F[_MODEM_]}/")"
if pgrep pulseaudio >/dev/null 2>&1
then # There may be pulseaudio ALSA devices. Look for them.
CAPTURE_IGNORE="$(pacmd list-sinks 2>/dev/null | grep name: | tr -d '\t' | cut -d' ' -f2 | sed 's/^<//;s/>$//' | tr '\n' '\|' | sed 's/|/\\|/g')"
ADEVICE_CAPTUREs="$(arecord -L | grep -v "$CAPTURE_IGNORE^ .*\|^dsnoop\|^sys\|^default\|^dmix\|^hw\|^usbstream\|^jack\|^pulse" | tr '\n' '!' | sed 's/!$//')"
PLAYBACK_IGNORE="$(pacmd list-sources 2>/dev/null | grep name: | tr -d '\t' | cut -d' ' -f2 | sed 's/^<//;s/>$//' | tr '\n' '\|' | sed 's/|/\\|/g')"
ADEVICE_PLAYBACKs="$(aplay -L | grep -v "$PLAYBACK_IGNORE^ .*\|^dsnoop\|^sys\|^default\|^dmix\|^hw\|^usbstream\|^jack\|^pulse" | tr '\n' '!' | sed 's/!$//')"
else # pulseaudio isn't running. Check only for null and plughw devices
ADEVICE_CAPTUREs="$(arecord -L | grep "^null\|^plughw" | tr '\n' '!' | sed 's/!$//')"
ADEVICE_PLAYBACKs="$(aplay -L | grep "^null\|^plughw" | tr '\n' '!' | sed 's/!$//')"
fi
[[ $ADEVICE_CAPTUREs =~ ${F[_ADEVICE_CAPTURE_]} ]] && ADEVICE_CAPTUREs="$(echo "$ADEVICE_CAPTUREs" | sed "s/${F[_ADEVICE_CAPTURE_]}/\^${F[_ADEVICE_CAPTURE_]}/")"
[[ $ADEVICE_CAPTUREs == "" ]] && ADEVICE_CAPTUREs="null"
[[ $ADEVICE_PLAYBACKs =~ ${F[_ADEVICE_PLAY_]} ]] && ADEVICE_PLAYBACKs="$(echo "$ADEVICE_PLAYBACKs" | sed "s/${F[_ADEVICE_PLAY_]}/\^${F[_ADEVICE_PLAY_]}/")"
[[ $ADEVICE_PLAYBACKs == "" ]] && ADEVICE_PLAYBACKs="null"
[[ $ARATEs =~ ${F[_ARATE_]} ]] && ARATEs="$(echo "$ARATEs" | sed "s/${F[_ARATE_]}/\^${F[_ARATE_]}/")"
if [[ $PTTs =~ ${F[_PTT_]} ]]
then
PTTs="$(echo "$PTTs" | sed "s/${F[_PTT_]}/\^${F[_PTT_]}/")"
else
PTTs+="!^${F[_PTT_]}"
fi
TXDELAY="${F[_TXDELAY_]}"
TXTAIL="${F[_TXTAIL_]}"
PERSIST="${F[_PERSIST_]}"
SLOTTIME="${F[_SLOTTIME_]}"
AUDIOSTATs="0!15!30!45!60!90!120"
[[ $AUDIOSTATs =~ ${F[_AUDIOSTATS_]} ]] && AUDIOSTATs="$(echo "$AUDIOSTATs" | sed "s/${F[_AUDIOSTATS_]}/\^${F[_AUDIOSTATS_]}/")"
AGWPORT="${F[_AGWPORT_]}"
KISSPORT="${F[_KISSPORT_]}"
# Create a Direwolf config file with these settings
cat > $DW_CONFIG <<EOF
ADEVICE ${F[_ADEVICE_CAPTURE_]} ${F[_ADEVICE_PLAY_]}
ACHANNELS 1
CHANNEL 0
ARATE ${F[_ARATE_]}
PTT ${F[_PTT_]}
MYCALL ${F[_CALL_]}
MODEM ${F[_MODEM_]}
AGWPORT ${F[_AGWPORT_]}
KISSPORT ${F[_KISSPORT_]}
EOF
if command -v pat >/dev/null 2>&1 && [ -s $PAT_CONFIG ]
then
PAT_START_HTTP="${F[_PAT_HTTP_]}"
PAT_CALL="$(jq -r ".mycall" $PAT_CONFIG)"
PAT_PASSWORD="$(jq -r ".secure_login_password" $PAT_CONFIG)"
PAT_HTTP_PORT="$(jq -r ".http_addr" $PAT_CONFIG | cut -d: -f2)"
PAT_TELNET_PORT="$(jq -r ".telnet.listen_addr" $PAT_CONFIG | cut -d: -f2)"
PAT_LOCATOR="$(jq -r ".locator" $PAT_CONFIG)"
fi
}
#============================
# FILES AND VARIABLES
#============================
# Set Temp Directory
# -----------------------------------
# Create temp directory with three random numbers and the process ID
# in the name. This directory is removed automatically at exit.
# -----------------------------------
TMPDIR="/tmp/${SCRIPT_NAME}.$RANDOM.$RANDOM.$RANDOM.$$"
(umask 077 && mkdir "${TMPDIR}") || {
Die "Could not create temporary directory! Exiting."
}
#== general variables ==#
SCRIPT_NAME="$(basename ${0})" # scriptname without path
SCRIPT_DIR="$( cd $(dirname "$0") && pwd )" # script directory
SCRIPT_FULLPATH="${SCRIPT_DIR}/${SCRIPT_NAME}"
SCRIPT_ID="$(ScriptInfo | grep script_id | tr -s ' ' | cut -d' ' -f3)"
SCRIPT_HEADSIZE=$(grep -sn "^# END_OF_HEADER" ${0} | head -1 | cut -f1 -d:)
VERSION="$(ScriptInfo version | grep version | tr -s ' ' | cut -d' ' -f 4)"
TITLE="Direwolf TNC Monitor and Configuration $VERSION"
CONFIG_FILE="$HOME/direwolf_tnc.conf"
MESSAGE="Direwolf Configuration"
ID="${RANDOM}"
AX25PORT="wl2k"
AX25PORTFILE="/etc/ax25/axports"
PAT_CONFIG="$HOME/.wl2k/config.json"
RETURN_CODE=0
DIREWOLF="$(command -v direwolf) -p -t 0 -d u"
#PAT="$(command -v pat) --log /dev/stdout -l ax25,telnet http"
PAT="$(command -v pat) -l ax25,telnet http"
PIPE=$TMPDIR/pipe
mkfifo $PIPE
exec 3<> $PIPE
#============================
# PARSE OPTIONS WITH GETOPTS
#============================
#== set short options ==#
SCRIPT_OPTS=':hv-:'
#== set long options associated with short one ==#
typeset -A ARRAY_OPTS
ARRAY_OPTS=(
[help]=h
[version]=v
)
LONG_OPTS="^($(echo "${!ARRAY_OPTS[@]}" | tr ' ' '|'))="
# Parse options
while getopts ${SCRIPT_OPTS} OPTION
do
# Translate long options to short
if [[ "x$OPTION" == "x-" ]]
then
LONG_OPTION=$OPTARG
LONG_OPTARG=$(echo $LONG_OPTION | egrep "$LONG_OPTS" | cut -d'=' -f2-)
LONG_OPTIND=-1
[[ "x$LONG_OPTARG" = "x" ]] && LONG_OPTIND=$OPTIND || LONG_OPTION=$(echo $OPTARG | cut -d'=' -f1)
[[ $LONG_OPTIND -ne -1 ]] && eval LONG_OPTARG="\$$LONG_OPTIND"
OPTION=${ARRAY_OPTS[$LONG_OPTION]}
[[ "x$OPTION" = "x" ]] && OPTION="?" OPTARG="-$LONG_OPTION"
if [[ $( echo "${SCRIPT_OPTS}" | grep -c "${OPTION}:" ) -eq 1 ]]; then
if [[ "x${LONG_OPTARG}" = "x" ]] || [[ "${LONG_OPTARG}" = -* ]]; then
OPTION=":" OPTARG="-$LONG_OPTION"
else
OPTARG="$LONG_OPTARG";
if [[ $LONG_OPTIND -ne -1 ]]; then
[[ $OPTIND -le $Optnum ]] && OPTIND=$(( $OPTIND+1 ))
shift $OPTIND
OPTIND=1
fi
fi
fi
fi
# Options followed by another option instead of argument
if [[ "x${OPTION}" != "x:" ]] && [[ "x${OPTION}" != "x?" ]] && [[ "${OPTARG}" = -* ]]; then
OPTARG="$OPTION" OPTION=":"
fi
# Finally, manage options
case "$OPTION" in
h)
ScriptInfo full
exit 0
;;
v)
ScriptInfo version
exit 0
;;
:)
Die "${SCRIPT_NAME}: -$OPTARG: option requires an argument"
;;
?)
Die "${SCRIPT_NAME}: -$OPTARG: unknown option"
;;
esac
done
shift $((${OPTIND} - 1)) ## shift options
# Check for required apps.
for A in yad pat jq sponge rigctld
do
command -v $A >/dev/null 2>&1 || Die "$A is required but not installed."
done
# Ensure only one instance of this script is running.
pidof -o %PPID -x $(basename "$0") >/dev/null && exit 1
#============================
# MAIN SCRIPT
#============================
# Trap bad exits with cleanup function
trap SafeExit EXIT INT TERM
# Exit on error. Append '||true' when you run the script if you expect an error.
set -o errexit
# Check Syntax if set
$SYNTAX && set -n
# Run in debug mode, if set
$DEBUG && set -x
# Configure /etc/ax25/axports if necessary. This is needed in order to allocate a PTY for pat.
if ! grep -q "^$AX25PORT[[:space:]]" $AX25PORTFILE 2>/dev/null
then
echo "$AX25PORT $MYCALL 0 255 7 Winlink" | sudo tee --append $AX25PORTFILE >/dev/null
fi
# Set up a dummy rig for rigctl in pat
RIG="$(jq -r .hamlib_rigs $PAT_CONFIG)"
if [[ $RIG == "{}" ]]
then # No rigs configured. Make a dummy rig
cat $PAT_CONFIG | jq \
'.hamlib_rigs += {"dummy": {"address": "localhost:4532", "network": "tcp"}}' | sponge $PAT_CONFIG
# Add the dummy rig to the ax25 section
cat $PAT_CONFIG | jq \
--arg R "dummy" \
'.ax25.rig = $R' | sponge $PAT_CONFIG
fi
while [[ $RETURN_CODE == 0 ]]
do
YAD_PIDs=()
# Kill any running processes and load latest settings
pgrep "^(pat|direwolf)" >/dev/null && pkill "^(pat|direwolf)"
for P in ${YAD_PIDs[@]}
do
ps x | egrep -q "^$P" && kill $P
done
sudo pgrep kissattach >/dev/null && sudo pkill kissattach
rm -f $TMPDIR/CONFIGURE_TNC.txt $TMPDIR/CONFIGURE_PAT.txt
rm -f /tmp/kisstnc
loadSettings
# Start the tail window tab
TEXT="AGW Port: <span color='blue'><b>$AGWPORT</b></span> KISS Port: <span color='blue'><b>$KISSPORT</b></span>"
[[ $PAT_START_HTTP == TRUE ]] && TEXT+=" pat Telnet Port: <span color='blue'><b>$PAT_TELNET_PORT</b></span> pat Web Server: <span color='blue'><b>http://$HOSTNAME.local:$PAT_HTTP_PORT</b></span>"
yad --plug="$ID" --tabnum=1 \
--back=black --fore=yellow --selectable-labels \
--text-info --text-align=center --text="$TEXT" \
--editable --tail --center <&3 &
YAD_PIDs+=( $! )
# Start rigctld. Assume should use the dummy rig.
if ! pgrep rigctld >/dev/null
then
echo "Starting rigctld using dummy rig..." >&3
$(command -v rigctld) -m 1 >&3 2>&3 &
RIG_PID=$!
echo "Done." >&3
fi
# Start Direwolf
[[ ${F[_AUDIOSTATS_]} == 0 ]] || DIREWOLF+=" -a ${F[_AUDIOSTATS_]}"
$DIREWOLF -c $DW_CONFIG >&3 2>&3 &
# Wait for Direwolf to allocate a PTY
COUNTER=0
MAXWAIT=8
while [ $COUNTER -lt $MAXWAIT ]
do # Allocate a PTY to ax25
[ -L /tmp/kisstnc ] && break
sleep 1
let COUNTER=COUNTER+1
done
if [ $COUNTER -ge $MAXWAIT ]
then
Die "Direwolf failed to allocate a PTY! Aborting. Is ADEVICE set to your sound card?"
fi
echo "Direwolf started." >&3
# Start kissattach on new PTY
sudo $(command -v kissattach) $(readlink -f /tmp/kisstnc) $AX25PORT >&3 2>&1
[ $? -eq 0 ] || Die "kissattach failed. Aborting."
KISSPARMS="-c 1 -p $AX25PORT -t $TXDELAY -l $TXTAIL -s $SLOTTIME -r $PERSIST -f n"
echo "Setting $(command -v kissparms) $KISSPARMS" >&3
sleep 2
sudo $(command -v kissparms) $KISSPARMS >&3 2>&3
[ $? -eq 0 ] || Die "kissparms settings failed. Aborting."
# Start pat
[[ $PAT_START_HTTP == TRUE ]] && $PAT >&3 2>&3 &
# Set up second tab, for configuring Direwolf.
yad --plug="$ID" --tabnum=2 \
--text="<b><big><big>Direwolf TNC Configuration</big></big></b>\n\n \
<b><u><big>Typical Direwolf Sound Card and PTT Settings</big></u></b>\n \
<span color='blue'><b>LEFT Radio:</b></span> Use ADEVICEs \
<b>fepi-capture-left</b> and <b>fepi-playback-left</b> and PTT <b>GPIO 12</b>.\n \
<span color='blue'><b>RIGHT Radio:</b></span> Use ADEVICEs \
<b>fepi-capture-right</b> and <b>fepi-playback-right</b> and PTT <b>GPIO 23</b>.\n\n \
Click the <b>Restart...</b> button below after you make your changes.\n\n" \
--item-separator="!" \
--separator="|" \
--align=right \
--text-align=center \
--align=right \
--borders=20 \
--form \
--columns=2 \
--field="<b>Call Sign</b>" "$MYCALL" \
--field="<b>Direwolf Capture ADEVICE</b>":CB "$ADEVICE_CAPTUREs" \
--field="<b>Direwolf Playback ADEVICE</b>":CB "$ADEVICE_PLAYBACKs" \
--field="<b>Direwolf ARATE</b>":CB "$ARATEs" \
--field="<b>Direwolf MODEM</b>":CB "$MODEMs" \
--field="<b>Direwolf PTT</b>":CBE "$PTTs" \
--field="<b>Audio Stats interval (s)</b>":CB "$AUDIOSTATs" \
--field="<b>AGW Port</b>":NUM "$AGWPORT!8001..8010!1!" \
--field="<b>KISS Port</b>":NUM "$KISSPORT!8011..8020!1!" \
--focus-field 1 > $TMPDIR/CONFIGURE_TNC.txt &
YAD_PIDs+=( $! )
# If pat is installed, set up a 3rd tab for it's configuration
PAT_TAB=""
if command -v pat >/dev/null && [ -s $PAT_CONFIG ]
then # pat is installed, so add a configuration dialog for it.
yad --plug="$ID" --tabnum=3 \
--text="<b><big><big>pat Configuration</big></big></b>\n\n \
Click the <b>Restart...</b> button below after you make your changes.\n\n" \
--item-separator="!" \
--separator="|" \
--align=right \
--text-align=center \
--align=right \
--borders=20 \
--form \
--columns=2 \
--field="Call Sign" "$PAT_CALL" \
--field="Winlink Password":H "$PAT_PASSWORD" \
--field="Locator Code" "$PAT_LOCATOR" \
--field="Web Service Port":NUM "$PAT_HTTP_PORT!8040..8049!1!" \
--field="Telnet Service Port":NUM "$PAT_TELNET_PORT!8770..8779!1!" \
--field="Start pat web service when Direwolf TNC starts":CHK "$PAT_START_HTTP" \
--field="TX Delay (ms)":NUM "$TXDELAY!0..500!1!" \
--field="TX Tail (ms)":NUM "$TXTAIL!0..200!10!" \
--field="Persist":NUM "$PERSIST!0..255!1!" \
--field="Slot Time (ms)":NUM "$SLOTTIME!0..255!10!" \
--field="<b>Edit pat Connection Aliases</b>":FBTN "bash -c edit_pat_aliases.sh &" \
--focus-field 1 > $TMPDIR/CONFIGURE_PAT.txt &
YAD_PIDs+=( $! )
STOP_BUTTON_TEXT="TNC"
RESTART_BUTTON_TEXT="Restart Direwolf TNC"
[[ $PAT_START_HTTP == TRUE ]] && AND_PAT=" and pat" || AND_PAT=""
else # pat is not installed. Print a message to that effect.
yad --plug="$ID" --tabnum=3 \
--info --text-align=center \
--text="<b>pat is not installed.\nRun 'Update Pi and Ham Apps' from the Hamradio menu to install it.</b>"
--borders=20 &
YAD_PIDs+=( $! )
fi
# Set up a notebook with the 3 tabs.
yad --title="Direwolf TNC and pat $VERSION" --text="<b><big>Direwolf TNC$AND_PAT Configuration and Operation</big></b>" \
--text-align="center" --notebook --key="$ID" \
--posx=10 --posy=50 \
--buttons-layout=center \
--tab="Monitor" \
--tab="Configure TNC" \
--tab="Configure pat" \
--width="800" --height="600" \
--button="<b>Stop Direwolf$AND_PAT and Exit</b>":1 \
--button="<b>Restart Direwolf$AND_PAT</b>":0
RETURN_CODE=$?
case $RETURN_CODE in
1|252) # User click Exit button or closed window.
break
;;
0) # Read and handle the Configure Direwolf TNC tab yad output
[[ -s $TMPDIR/CONFIGURE_TNC.txt ]] || Die "Unexpected input from dialog"
IFS='|' read -r -a TF < "$TMPDIR/CONFIGURE_TNC.txt"
F[_CALL_]="${TF[0]^^}"
F[_ADEVICE_CAPTURE_]="${TF[1]}"
F[_ADEVICE_PLAY_]="${TF[2]}"
F[_ARATE_]="${TF[3]}"
F[_MODEM_]="${TF[4]}"
F[_PTT_]="${TF[5]}"
F[_AUDIOSTATS_]="${TF[6]}"
F[_AGWPORT_]="${TF[7]}"
F[_KISSPORT_]="${TF[8]}"
if command -v pat >/dev/null && [ -s $PAT_CONFIG ]
then # Read and handle the Configure pat tab yad output
[[ -s $TMPDIR/CONFIGURE_PAT.txt ]] || Die "Unexpected input from dialog"
IFS='|' read -r -a TF < "$TMPDIR/CONFIGURE_PAT.txt"
PAT_CALL="${TF[0]^^}"
PAT_PASSWORD="${TF[1]}"
PAT_LOCATOR="${TF[2]}"
PAT_HTTP_PORT="${TF[3]}"
PAT_TELNET_PORT="${TF[4]}"
F[_PAT_HTTP_]="${TF[5]}"
F[_TXDELAY_]="${TF[6]}"
F[_TXTAIL_]="${TF[7]}"
F[_PERSIST_]="${TF[8]}"
F[_SLOTTIME_]="${TF[9]}"
# Update the pat config.json file with the new data.
cat $PAT_CONFIG | jq \
--arg C "$PAT_CALL" \
--arg P "$PAT_PASSWORD" \
--arg H "0.0.0.0:$PAT_HTTP_PORT" \
--arg T "0.0.0.0:$PAT_TELNET_PORT" \
--arg L "$PAT_LOCATOR" \
'.mycall = $C | .secure_login_password = $P | .http_addr = $H | .telnet.listen_addr = $T | .locator = $L' | sponge $PAT_CONFIG
fi
# Update the yad configuration file.
echo "declare -gA F" > "$CONFIG_FILE"
for J in "${!F[@]}"
do
echo "F[$J]='${F[$J]}'" >> "$CONFIG_FILE"
done
;;
esac
done
SafeExit
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