update player with wachdog and intro

This commit is contained in:
2025-11-22 10:26:20 +02:00
parent 68ed5b8534
commit 744681bb20
5 changed files with 276 additions and 33 deletions

1
.player_heartbeat Normal file
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@@ -0,0 +1 @@
1763799978.6257727

76
check_player_status.sh Executable file
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@@ -0,0 +1,76 @@
#!/bin/bash
# Player Status Checker
# Check if the player is running and healthy
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
HEARTBEAT_FILE="$SCRIPT_DIR/.player_heartbeat"
STOP_FLAG_FILE="$SCRIPT_DIR/.player_stop_requested"
LOG_FILE="$SCRIPT_DIR/player_watchdog.log"
echo "=========================================="
echo "Kivy Signage Player - Status Check"
echo "=========================================="
echo ""
# Check for stop flag
if [ -f "$STOP_FLAG_FILE" ]; then
echo "🛑 Stop Flag: PRESENT (user requested exit)"
echo " Watchdog will not restart player"
echo " To restart: ./start.sh"
echo ""
fi
# Check if player process is running
PLAYER_PID=$(pgrep -f "python3 main.py" | head -1)
if [ -z "$PLAYER_PID" ]; then
echo "Status: ❌ NOT RUNNING"
echo ""
echo "Player process is not running"
else
echo "Status: ✓ RUNNING"
echo "PID: $PLAYER_PID"
echo ""
# Check heartbeat
if [ -f "$HEARTBEAT_FILE" ]; then
last_update=$(stat -c %Y "$HEARTBEAT_FILE" 2>/dev/null || echo 0)
current_time=$(date +%s)
diff=$((current_time - last_update))
echo "Heartbeat: $(date -d @${last_update} '+%Y-%m-%d %H:%M:%S')"
echo "Last update: ${diff}s ago"
if [ $diff -lt 60 ]; then
echo "Health: ✓ HEALTHY"
else
echo "Health: ⚠️ STALE (may be frozen)"
fi
else
echo "Heartbeat: Not found (player may be starting)"
fi
fi
echo ""
# Show watchdog status
if pgrep -f "start.sh" > /dev/null; then
echo "Watchdog: ✓ ACTIVE"
else
echo "Watchdog: ❌ NOT RUNNING"
echo ""
echo "To start with watchdog: ./start.sh"
fi
echo ""
# Show last few log entries
if [ -f "$LOG_FILE" ]; then
echo "=========================================="
echo "Recent Log Entries (last 10):"
echo "=========================================="
tail -10 "$LOG_FILE"
fi
echo ""

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@@ -91,6 +91,19 @@ class ExitPasswordPopup(Popup):
if entered_password == correct_password:
# Password correct, exit app
Logger.info("ExitPasswordPopup: Correct password, exiting app")
# Create stop flag to prevent watchdog restart
stop_flag = os.path.join(
os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
'.player_stop_requested'
)
try:
with open(stop_flag, 'w') as f:
f.write('User requested exit via password')
Logger.info("ExitPasswordPopup: Stop flag created - watchdog will not restart")
except Exception as e:
Logger.warning(f"ExitPasswordPopup: Could not create stop flag: {e}")
self.dismiss()
App.get_running_app().stop()
else:
@@ -285,6 +298,7 @@ class SignagePlayer(Widget):
self.playlists_dir = os.path.join(self.base_dir, 'playlists')
self.config_file = os.path.join(self.config_dir, 'app_config.json')
self.resources_path = os.path.join(self.config_dir, 'resources')
self.heartbeat_file = os.path.join(self.base_dir, '.player_heartbeat')
# Create directories if they don't exist
for directory in [self.config_dir, self.media_dir, self.playlists_dir]:
os.makedirs(directory, exist_ok=True)
@@ -299,11 +313,22 @@ class SignagePlayer(Widget):
self.controls_timer = None
# Auto-hide controls
self.schedule_hide_controls()
# Start heartbeat monitoring
Clock.schedule_interval(self.update_heartbeat, 10) # Update every 10 seconds
def _update_size(self, instance, value):
self.size = value
if hasattr(self, 'ids') and 'content_area' in self.ids:
self.ids.content_area.size = value
def update_heartbeat(self, dt):
"""Update heartbeat file to indicate player is alive"""
try:
# Touch the heartbeat file to update its modification time
with open(self.heartbeat_file, 'w') as f:
f.write(str(time.time()))
except Exception as e:
Logger.warning(f"SignagePlayer: Failed to update heartbeat: {e}")
def initialize_player(self, dt):
"""Initialize the player - load config and start playlist checking"""
@@ -983,4 +1008,17 @@ class SignagePlayerApp(App):
if __name__ == '__main__':
SignagePlayerApp().run()
try:
Logger.info("=" * 80)
Logger.info("Starting Kivy Signage Player Application")
Logger.info("=" * 80)
SignagePlayerApp().run()
except KeyboardInterrupt:
Logger.info("Application stopped by user (Ctrl+C)")
except Exception as e:
Logger.critical(f"Fatal error in application: {e}")
Logger.exception("Full traceback:")
import sys
sys.exit(1)
finally:
Logger.info("Application shutdown complete")

158
start.sh
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@@ -1,58 +1,152 @@
#!/bin/bash
# Kivy Signage Player Startup Script
# This script activates the virtual environment and starts the player
# Kivy Signage Player Startup Script with Watchdog
# This script monitors and auto-restarts the player if it crashes
# Get the directory where this script is located
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
echo "=========================================="
echo "Starting Kivy Signage Player"
echo "=========================================="
echo ""
# Configuration
MAX_RETRIES=999999 # Effectively unlimited retries
RESTART_DELAY=5 # Seconds to wait before restart
HEALTH_CHECK_INTERVAL=30 # Seconds between health checks
HEARTBEAT_FILE="$SCRIPT_DIR/.player_heartbeat"
STOP_FLAG_FILE="$SCRIPT_DIR/.player_stop_requested"
LOG_FILE="$SCRIPT_DIR/player_watchdog.log"
# Function to log messages
log_message() {
echo "[$(date '+%Y-%m-%d %H:%M:%S')] $1" | tee -a "$LOG_FILE"
}
# Function to check if player is healthy
check_health() {
# Check if heartbeat file exists and is recent (within last 60 seconds)
if [ -f "$HEARTBEAT_FILE" ]; then
local last_update=$(stat -c %Y "$HEARTBEAT_FILE" 2>/dev/null || echo 0)
local current_time=$(date +%s)
local diff=$((current_time - last_update))
if [ $diff -lt 60 ]; then
return 0 # Healthy
else
log_message "⚠️ Player heartbeat stale (${diff}s old)"
return 1 # Unhealthy
fi
else
# If heartbeat file doesn't exist yet, assume player is starting
return 0
fi
}
# Cleanup function
cleanup() {
log_message "🛑 Watchdog received stop signal"
rm -f "$HEARTBEAT_FILE"
rm -f "$STOP_FLAG_FILE"
exit 0
}
# Trap signals for graceful shutdown
trap cleanup SIGINT SIGTERM
log_message "=========================================="
log_message "🚀 Kivy Signage Player Watchdog Started"
log_message "=========================================="
log_message "Project directory: $SCRIPT_DIR"
log_message "Max retries: Unlimited"
log_message "Restart delay: ${RESTART_DELAY}s"
log_message ""
# Remove old stop flag if exists (fresh start)
rm -f "$STOP_FLAG_FILE"
# Change to the project directory
cd "$SCRIPT_DIR"
echo "Project directory: $SCRIPT_DIR"
# Check if virtual environment exists
if [ -d ".venv" ]; then
echo "Activating virtual environment..."
log_message "✓ Virtual environment found"
source .venv/bin/activate
echo "✓ Virtual environment activated"
else
echo "Warning: Virtual environment not found at .venv/"
echo "Creating virtual environment..."
log_message "⚠️ Creating virtual environment..."
python3 -m venv .venv
source .venv/bin/activate
echo "Installing dependencies..."
log_message "📦 Installing dependencies..."
pip3 install -r requirements.txt
echo "✓ Virtual environment created and dependencies installed"
log_message "✓ Virtual environment ready"
fi
echo ""
# Check if configuration exists
if [ ! -f "config/app_config.json" ]; then
echo "=========================================="
echo "⚠ WARNING: Configuration file not found!"
echo "=========================================="
echo ""
echo "Please configure the player before running:"
echo " 1. Copy config/app_config.json.example to config/app_config.json"
echo " 2. Edit the configuration file with your server details"
echo ""
read -p "Press Enter to continue anyway, or Ctrl+C to exit..."
echo ""
log_message "⚠️ WARNING: Configuration file not found!"
log_message "Player may not function correctly without configuration"
fi
# Change to src directory and start the application
echo "Starting application..."
echo "=========================================="
echo ""
# Main watchdog loop
retry_count=0
while true; do
retry_count=$((retry_count + 1))
log_message ""
log_message "=========================================="
log_message "▶️ Starting player (attempt #${retry_count})"
log_message "=========================================="
# Clean old heartbeat
rm -f "$HEARTBEAT_FILE"
# Start the player
cd "$SCRIPT_DIR/src"
python3 main.py &
PLAYER_PID=$!
log_message "Player PID: $PLAYER_PID"
# Monitor the player
while true; do
sleep $HEALTH_CHECK_INTERVAL
# Check if process is still running
if ! kill -0 $PLAYER_PID 2>/dev/null; then
log_message "❌ Player process crashed or stopped (PID: $PLAYER_PID)"
break
fi
# Check health via heartbeat
if ! check_health; then
log_message "❌ Player health check failed - may be frozen"
kill $PLAYER_PID 2>/dev/null
sleep 2
kill -9 $PLAYER_PID 2>/dev/null
break
fi
# Player is healthy, continue monitoring
done
# Player stopped or crashed
# Check if user requested intentional exit
if [ -f "$STOP_FLAG_FILE" ]; then
log_message "✋ Stop flag detected - user requested exit via password"
log_message "Watchdog will NOT restart the player"
log_message "To restart, run ./start.sh again"
rm -f "$HEARTBEAT_FILE"
break
fi
log_message "⏳ Waiting ${RESTART_DELAY}s before restart..."
sleep $RESTART_DELAY
# Cleanup any zombie processes
pkill -9 -f "python3 main.py" 2>/dev/null
done
cd src
python3 main.py
log_message ""
log_message "=========================================="
log_message "Watchdog stopped"
log_message "=========================================="
# Deactivate virtual environment when app exits
# Deactivate virtual environment (this line is never reached in watchdog mode)
deactivate

34
stop_player.sh Executable file
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#!/bin/bash
# Stop the player and watchdog
# Use this to gracefully shutdown the player
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
echo "=========================================="
echo "Stopping Kivy Signage Player"
echo "=========================================="
echo ""
# Kill watchdog (start.sh)
echo "Stopping watchdog..."
pkill -f "bash.*start.sh"
# Kill player
echo "Stopping player..."
pkill -f "python3 main.py"
# Give processes time to exit gracefully
sleep 2
# Force kill if still running
pkill -9 -f "bash.*start.sh" 2>/dev/null
pkill -9 -f "python3 main.py" 2>/dev/null
# Clean up heartbeat and stop flag files
rm -f "$SCRIPT_DIR/.player_heartbeat"
rm -f "$SCRIPT_DIR/.player_stop_requested"
echo ""
echo "✓ Player and watchdog stopped"
echo ""