88 lines
2.5 KiB
Bash
88 lines
2.5 KiB
Bash
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#!/bin/bash
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# Start / stop the Litter Box Camera Analyzer service.
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# This script manages the Python analyzer as a background process.
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#
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# Usage:
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# ./litter_box_analyzer.sh start
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# ./litter_box_analyzer.sh stop
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# ./litter_box_analyzer.sh status
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#
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# Configuration (edit or set env vars):
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# MQTT_BROKER - MQTT broker hostname/IP (default: localhost)
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# MQTT_PORT - MQTT port (default: 1883)
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# MQTT_USERNAME - MQTT username (default: none)
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# MQTT_PASSWORD - MQTT password (default: none)
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# DEBUG_DIR - Save annotated debug images (default: none)
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set -e
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SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
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ANALYZER="${SCRIPT_DIR}/litter_box_analyzer.py"
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PIDFILE="${SCRIPT_DIR}/.litter_box_analyzer.pid"
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LOGFILE="${SCRIPT_DIR}/litter_box_analyzer.log"
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MQTT_BROKER="${MQTT_BROKER:-localhost}"
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MQTT_PORT="${MQTT_PORT:-1883}"
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MOTION_THRESHOLD="${MOTION_THRESHOLD:-15}"
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BOX_STATE_THRESHOLD="${BOX_STATE_THRESHOLD:-30}"
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STUCK_FRAMES="${STUCK_FRAMES:-10}"
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CALIBRATION_FRAMES="${CALIBRATION_FRAMES:-10}"
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start() {
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if [ -f "$PIDFILE" ] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
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echo "Analyzer is already running (PID $(cat "$PIDFILE"))"
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return 1
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fi
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local extra_args=()
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[ -n "${DEBUG_DIR:-}" ] && extra_args+=(--debug-dir "$DEBUG_DIR")
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echo "Starting Litter Box Analyzer..."
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python3 "$ANALYZER" \
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--broker "$MQTT_BROKER" \
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--port "$MQTT_PORT" \
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--motion-threshold "$MOTION_THRESHOLD" \
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--box-state-threshold "$BOX_STATE_THRESHOLD" \
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--stuck-frames "$STUCK_FRAMES" \
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--calibration-frames "$CALIBRATION_FRAMES" \
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"${extra_args[@]}" \
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>> "$LOGFILE" 2>&1 &
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echo $! > "$PIDFILE"
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echo "Started (PID $!). Log: $LOGFILE"
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}
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stop() {
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if [ ! -f "$PIDFILE" ]; then
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echo "No PID file found. Analyzer may not be running."
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return 1
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fi
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PID=$(cat "$PIDFILE")
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if kill "$PID" 2>/dev/null; then
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echo "Stopped analyzer (PID $PID)"
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rm -f "$PIDFILE"
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else
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echo "Process $PID not found. Removing stale PID file."
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rm -f "$PIDFILE"
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fi
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}
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status() {
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if [ -f "$PIDFILE" ] && kill -0 "$(cat "$PIDFILE")" 2>/dev/null; then
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echo "Analyzer is running (PID $(cat "$PIDFILE"))"
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else
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echo "Analyzer is NOT running"
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[ -f "$PIDFILE" ] && echo "(stale PID file exists)" && rm -f "$PIDFILE"
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fi
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}
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case "${1:-}" in
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start) start ;;
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stop) stop ;;
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restart) stop; sleep 1; start ;;
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status) status ;;
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*)
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echo "Usage: $0 {start|stop|restart|status}"
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exit 1
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;;
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esac
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