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#!/usr/bin/env sh
ALSASTATEFILE="$XDG_CACHE_HOME"/precall.alsa.state
trap "gracefulexit" INT TERM
# include common definitions
# shellcheck source=scripts/core/sxmo_common.sh
. "$(dirname "$0")/sxmo_common.sh"
modem_n() {
MODEMS="$(mmcli -L)"
echo "$MODEMS" | grep -qoE 'Modem\/([0-9]+)' || finish "Couldn't find modem - is your modem enabled?"
echo "$MODEMS" | grep -oE 'Modem\/([0-9]+)' | cut -d'/' -f2
}
finish() {
sxmo_vibratepine 1000 &
if [ -f "$ALSASTATEFILE" ]; then
alsactl --file "$ALSASTATEFILE" restore
else
alsactl --file /usr/share/sxmo/alsa/default_alsa_sound.conf restore
fi
setsid -f sh -c 'sleep 2; sxmo_statusbarupdate.sh'
if [ -n "$1" ]; then
echo "sxmo_modemcall: $1">&2
notify-send "$1"
fi
[ -n "$LOCKPID" ] && kill "$LOCKPID"
pkill -9 dmenu
exit 1
}
gracefulexit() {
kill "$MAINPID"
wait "$MAINPID"
finish "Call ended"
}
modem_cmd_errcheck() {
RES="$(mmcli "$@" 2>&1)"
OK="$?"
echo "sxmo_modemcall: Command: mmcli $*">&2
if [ "$OK" != 0 ]; then finish "Problem executing mmcli command!\n$RES"; fi
echo "$RES"
}
vid_to_number() {
mmcli -m "$(modem_n)" -o "$1" -K |
grep call.properties.number |
cut -d ':' -f2 |
tr -d ' '
}
number_to_contactname() {
NUMBER="$1"
CONTACT=$(sxmo_contacts.sh --all |
grep "^$NUMBER:" |
cut -d':' -f 2 |
sed 's/^[ \t]*//;s/[ \t]*$//' #strip leading/trailing whitespace
)
if [ -n "$CONTACT" ]; then
echo "$CONTACT"
else
echo "Unknown ($NUMBER)"
fi
}
log_event() {
EVT_HANDLE="$1"
EVT_VID="$2"
NUM="$(vid_to_number "$EVT_VID")"
TIME="$(date --iso-8601=seconds)"
mkdir -p "$LOGDIR"
printf %b "$TIME\t$EVT_HANDLE\t$NUM\n" >> "$LOGDIR/modemlog.tsv"
}
toggleflag() {
TOGGLEFLAG=$1
shift
FLAGS="$*"
echo -- "$FLAGS" | grep -- "$TOGGLEFLAG" >&2 &&
NEWFLAGS="$(echo -- "$FLAGS" | sed "s/$TOGGLEFLAG//g")" ||
NEWFLAGS="$(echo -- "$FLAGS $TOGGLEFLAG")"
NEWFLAGS="$(echo -- "$NEWFLAGS" | sed "s/--//g; s/ / /g")"
# shellcheck disable=SC2086
sxmo_megiaudioroute $NEWFLAGS
echo -- "$NEWFLAGS"
}
toggleflagset() {
FLAGS="$(toggleflag "$1" "$FLAGS")"
}
acceptcall() {
CALLID="$1"
echo "sxmo_modemcall: Attempting to initialize CALLID $CALLID">&2
DIRECTION="$(
mmcli --voice-status -o "$CALLID" -K |
grep call.properties.direction |
cut -d: -f2 |
tr -d " "
)"
if [ "$DIRECTION" = "outgoing" ]; then
modem_cmd_errcheck -m "$(modem_n)" -o "$CALLID" --start
touch "$CACHEDIR/${CALLID}.initiatedcall" #this signals that we started this call
log_event "call_start" "$CALLID"
echo "sxmo_modemcall: Started call $CALLID">&2
elif [ "$DIRECTION" = "incoming" ]; then
echo "sxmo_modemcall: Invoking pickup hook (async)">&2
sxmo_hooks.sh pickup &
touch "$CACHEDIR/${CALLID}.pickedupcall" #this signals that we picked this call up
#to other asynchronously running processes
modem_cmd_errcheck -m "$(modem_n)" -o "$CALLID" --accept
log_event "call_pickup" "$CALLID"
echo "sxmo_modemcall: Picked up call $CALLID">&2
else
finish "Couldn't initialize call with callid <$CALLID>; unknown direction <$DIRECTION>"
fi
alsactl --file "$ALSASTATEFILE" store
}
hangup() {
CALLID="$1"
if [ -f "$CACHEDIR/${CALLID}.pickedupcall" ]; then
rm -f "$CACHEDIR/${CALLID}.pickedupcall"
touch "$CACHEDIR/${CALLID}.hangedupcall" #this signals that we hanged up this call to other asynchronously running processes
log_event "call_hangup" "$CALLID"
else
#this call was never picked up and hung up immediately, so it is a discarded call
touch "$CACHEDIR/${CALLID}.discardedcall" #this signals that we discarded this call to other asynchronously running processes
echo "sxmo_modemcall: Invoking discard hook (async)">&2
sxmo_hooks.sh discard &
log_event "call_discard" "$CALLID"
fi
modem_cmd_errcheck -m "$(modem_n)" -o "$CALLID" --hangup
finish "Call with $NUMBER terminated"
exit 0
}
togglewindowify() {
if [ "$WINDOWIFIED" = "0" ]; then
WINDOWIFIED=1
else
WINDOWIFIED=0
fi
}
incallsetup() {
DMENUIDX=0
CALLID="$1"
NUMBER="$(vid_to_number "$CALLID")"
WINDOWIFIED=0
# E.g. There's some bug with the modem that' requires us to toggle the
# DAI a few times before starting the call for it to kick in
FLAGS=" "
toggleflagset "-e"
toggleflagset "-m"
toggleflagset "-2"
toggleflagset "-2"
toggleflagset "-2"
}
incallmenuloop() {
echo "sxmo_modemcall: Current flags are $FLAGS">&2
CHOICES="
$([ "$WINDOWIFIED" = 0 ] && echo "$icon_wn2 Windowify" || echo "$icon_wn2 Unwindowify") ^ togglewindowify
$([ "$WINDOWIFIED" = 0 ] && echo "$icon_lck Screenlock ^ togglewindowify; sxmo_screenlock.sh lock &")
$icon_aru Volume up ^ sxmo_vol.sh up
$icon_ard Volume down ^ sxmo_vol.sh down
$icon_phn Earpiece $(echo -- "$FLAGS" | grep -q -- -e && echo "$icon_chk") ^ toggleflagset -e
$icon_mic Mic $(echo -- "$FLAGS" | grep -q -- -m && echo "$icon_chk") ^ toggleflagset -m
$icon_itm Linejack $(echo -- "$FLAGS" | grep -q -- -h && echo "$icon_chk") ^ toggleflagset -h
$icon_itm Linemic $(echo -- "$FLAGS" | grep -q -- -l && echo "$icon_chk") ^ toggleflagset -l
$icon_spk Speakerphone $(echo -- "$FLAGS" | grep -q -- -s && echo "$icon_chk") ^ toggleflagset -s
$icon_itm Echomic $(echo -- "$FLAGS" | grep -q -- -z && echo "$icon_chk") ^ toggleflagset -z
$icon_mus DTMF Tones ^ dtmfmenu $CALLID
$icon_phx Hangup ^ hangup $CALLID
"
pkill -9 dmenu # E.g. just incase user is playing with btns or hits a menu by mistake
echo "$CHOICES" |
xargs -0 echo |
cut -d'^' -f1 |
sed '/^[[:space:]]*$/d' |
awk '{$1=$1};1' | #this cryptic statement trims leading/trailing whitespace from a string
dmenu -idx $DMENUIDX -l 14 "$([ "$WINDOWIFIED" = 0 ] && echo "-c" || echo "-wm")" -p "$NUMBER" |
(
PICKED="$(cat)";
echo "sxmo_modemcall: Picked is $PICKED">&2
echo "$PICKED" | grep -Ev "."
CMD=$(echo "$CHOICES" | grep "$PICKED" | cut -d'^' -f2)
DMENUIDX=$(echo "$(echo "$CHOICES" | grep -n "$PICKED" | cut -d ':' -f1)" - 1 | bc)
echo "sxmo_modemcall: Eval in call context: $CMD">&2
eval "$CMD"
incallmenuloop
) & wait # E.g. bg & wait to allow for SIGINT propogation
}
dtmfmenu() {
CALLID="$1"
NUMS="0123456789*#ABCD"
while true; do
PICKED="$(
echo "$NUMS" | grep -o . | sed '1 iReturn to Call Menu' |
dmenu "$([ "$WINDOWIFIED" = 0 ] && echo "-c" || echo "-wm")" -l 20 -c -p "DTMF Tone"
)"
echo "$PICKED" | grep "Return to Call Menu" && return
modem_cmd_errcheck -m "$(modem_n)" -o "$CALLID" --send-dtmf="$PICKED"
done
}
pickup() {
acceptcall "$1"
incallsetup "$1"
incallmenuloop "$1"
}
mute() {
touch "$CACHEDIR/$1.mutedring" #this signals that we muted this ring
echo "sxmo_modemmonitor: Invoking mute_ring hook (async)">&2
sxmo_hooks.sh mute_ring "$CONTACTNAME" &
log_event "ring_mute" "$1"
finish "Ringing with $NUMBER muted"
}
incomingcallmenu() {
NUMBER=$(vid_to_number "$1")
CONTACTNAME=$(number_to_contactname "$NUMBER")
PICKED="$(
printf %b "$icon_phn Pickup\n$icon_phx Hangup\n$icon_mut Mute\n" |
dmenu -c -l 5 -p "$CONTACTNAME"
)" || exit
if echo "$PICKED" | grep -q "Pickup"; then
pickup "$1"
elif echo "$PICKED" | grep -q "Hangup"; then
hangup "$1"
elif echo "$PICKED" | grep -q "Mute"; then
mute "$1"
fi
rm -f "$NOTIFDIR/incomingcall_${1}_notification"* #there may be multiple actionable notification for one call
}
modem_n || finish "Couldn't determine modem number - is modem online?"
# do not duplicate proximity lock if already running
if ! pgrep -f sxmo_proximitylock.sh > /dev/null; then
sxmo_proximitylock.sh &
LOCKPID="$!"
fi
"$@" &
MAINPID="$!"
wait $MAINPID