local ip

ip="$(hostname -I 2>/dev/null | awk '{print $1}')"

[[ -z "$ip" ]] && ip="$(ip route get 1.1.1.1 2>/dev/null | awk '/src/ {for(i=1;i<=NF;i++) if($i=="src") print $(i+1)}' | head -1)"

[[ -z "$ip" ]] && ip="127.0.0.1"

echo "$ip"

local host="$1"

cat <<EOF

if [[ -x "${BIN}" && "${1:-}" != "force" ]]; then

return 0

fi

info "Building sensing-server (this takes ~40 s the first time)…"

cd "${REPO_DIR}/rust-port/wifi-densepose-rs"

cargo build -p wifi-densepose-sensing-server --no-default-features

cd "${REPO_DIR}"

[[ -x "${BIN}" ]] || die "Build succeeded but binary not found at ${BIN}"

info "Build complete."

local url="$1"

if command -v xdg-open >/dev/null 2>&1; then

xdg-open "$url" >/dev/null 2>&1 &

elif command -v open >/dev/null 2>&1; then

open "$url" >/dev/null 2>&1 &

elif [[ -n "${BROWSER:-}" ]]; then

"$BROWSER" "$url" >/dev/null 2>&1 &

else

warn "No browser launcher found — open the URL manually."

return 1

fi

local tries=30

while (( tries-- > 0 )); do

if curl -sf "http://127.0.0.1:${HTTP_PORT}/health" >/dev/null 2>&1; then

return 0

fi

sleep 0.5

done

return 1

local open_gui="${1:-yes}"

local pid

pid="$(running_pid)"

if [[ -n "$pid" ]]; then

info "Server already running (PID $pid)."

else

ensure_binary

mkdir -p "${LOG_DIR}"

info "Starting sensing-server on :${HTTP_PORT} (WS :${WS_PORT})…"

nohup "${BIN}" \

--http-port "${HTTP_PORT}" \

--ws-port "${WS_PORT}" \

--bind-addr "${BIND_ADDR}" \

--ui-path "${REPO_DIR}/ui" \

> "${LOG_FILE}" 2>&1 &

disown

pid=$!

echo "$pid" > "${PID_FILE}"

if ! wait_ready; then

err "Server did not become healthy in 15 s."

err "Last 20 log lines:"

tail -20 "${LOG_FILE}" | sed 's/^/ /'

exit 1

fi

info "Server healthy (PID $pid)."

fi

# Health summary

local health

health="$(curl -s "http://127.0.0.1:${HTTP_PORT}/health" 2>/dev/null || echo '{}')"

echo -e " ${C_D}${health}${C_0}"

local host

host="$(detect_ip)"

print_urls "$host"

if [[ "$open_gui" == "yes" ]]; then

local url="http://${host}:${HTTP_PORT}/ui/index.html"

info "Opening ${url}"

open_browser "$url" || true

fi

local pid

pid="$(running_pid)"

if [[ -z "$pid" ]]; then

warn "No sensing-server running on :${HTTP_PORT}."

return 0

fi

info "Stopping sensing-server (PID $pid)…"

kill "$pid" 2>/dev/null || true

local tries=10

while (( tries-- > 0 )); do

kill -0 "$pid" 2>/dev/null || { info "Stopped."; rm -f "${PID_FILE}"; return 0; }

sleep 0.3

done

warn "Forcing kill…"

kill -9 "$pid" 2>/dev/null || true

rm -f "${PID_FILE}"

local pid host

pid="$(running_pid)"

host="$(detect_ip)"

if [[ -n "$pid" ]]; then

info "Running — PID $pid"

curl -s "http://127.0.0.1:${HTTP_PORT}/health" 2>/dev/null | sed 's/^/ /'

echo

print_urls "$host"

else

warn "Not running."

echo " Start with: ./start.sh"

fi