service.sh

#!/system/bin/sh

MODDIR=${0%/*}
DAEMON="$MODDIR/daemon.sh"
SOCAT="$MODDIR/bin/socat"
PROP="$MODDIR/module.prop"

USER_SOCK="/data/local/host.user.sock"
ROOT_SOCK="/data/local/host.root.sock"

LOG="/data/local/hostsocket_watchdog.log"

log() {
    echo "[$(date)] $*" >> "$LOG"
}

update_status() {
    status="$1"

    # rewrite only description line
    sed -i "s/^description=.*/description=Unix socket shell bridge (root + non-root) \n$status/" "$PROP"
}

check_health() {
    [ -S "$USER_SOCK" ] && [ -S "$ROOT_SOCK" ]
}

#check_health() {
#    echo "echo OK" | $SOCAT - UNIX-CONNECT:$USER_SOCK >/dev/null 2>&1
#}

# wait for boot
until [ "$(getprop sys.boot_completed)" = "1" ]; do
    sleep 2
done

chmod +x "$SOCAT" "$DAEMON"

log "Watchdog starting..."

while true; do
    log "Starting daemon..."

    "$DAEMON" &
    DAEMON_PID=$!

    sleep 2

    while kill -0 "$DAEMON_PID" 2>/dev/null; do
        if check_health; then
            update_status "HostSocket: ✅ Running"
        else
            update_status "HostSocket: ⚠️ Degraded"
        fi

        sleep 5
    done

    log "Daemon died!"

    update_status "HostSocket: ❌ Restarting..."

    sleep 2
done