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https://github.com/daniviga/django-ram.git
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Manage dcc-usb-connector auto-stop on removal
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147
connector/test-udev-autostart.sh
Executable file
147
connector/test-udev-autostart.sh
Executable file
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#!/usr/bin/env bash
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#
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# Test script for DCC USB-to-Network Bridge auto-start/stop functionality
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#
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# This script helps verify that the service starts when the USB device
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# is connected and stops when it's removed.
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#
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# Usage:
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# ./test-udev-autostart.sh
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#
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set -e
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# Colors for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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BLUE='\033[0;34m'
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NC='\033[0m' # No Color
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echo -e "${BLUE}=== DCC USB-to-Network Bridge Auto-Start/Stop Test ===${NC}"
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echo
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# Check if udev rule is installed
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echo -e "${BLUE}1. Checking udev rule installation...${NC}"
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if [ -f /etc/udev/rules.d/99-dcc-usb-connector.rules ]; then
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echo -e "${GREEN}✓ Udev rule is installed${NC}"
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echo " Location: /etc/udev/rules.d/99-dcc-usb-connector.rules"
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else
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echo -e "${RED}✗ Udev rule is NOT installed${NC}"
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echo " Run: sudo cp 99-dcc-usb-connector.rules /etc/udev/rules.d/"
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exit 1
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fi
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echo
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# Check if service is installed
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echo -e "${BLUE}2. Checking systemd service installation...${NC}"
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if [ -f ~/.config/systemd/user/dcc-usb-connector.service ]; then
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echo -e "${GREEN}✓ Systemd service is installed${NC}"
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echo " Location: ~/.config/systemd/user/dcc-usb-connector.service"
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else
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echo -e "${RED}✗ Systemd service is NOT installed${NC}"
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echo " Run: cp dcc-usb-connector.service ~/.config/systemd/user/"
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exit 1
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fi
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echo
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# Check lingering
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echo -e "${BLUE}3. Checking systemd lingering...${NC}"
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if loginctl show-user "$USER" | grep -q "Linger=yes"; then
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echo -e "${GREEN}✓ Lingering is enabled${NC}"
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else
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echo -e "${YELLOW}⚠ Lingering is NOT enabled${NC}"
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echo " Services may not start automatically when you're not logged in"
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echo " Run: sudo loginctl enable-linger $USER"
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fi
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echo
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# Check if device is connected
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echo -e "${BLUE}4. Checking USB device...${NC}"
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if lsusb | grep -q "1a86:7523"; then
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echo -e "${GREEN}✓ USB device 1a86:7523 is connected${NC}"
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lsusb | grep "1a86:7523"
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if [ -e /dev/ttyUSB0 ]; then
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echo -e "${GREEN}✓ /dev/ttyUSB0 exists${NC}"
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ls -l /dev/ttyUSB0
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else
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echo -e "${YELLOW}⚠ /dev/ttyUSB0 does NOT exist${NC}"
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echo " The device may be on a different port"
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echo " Available ttyUSB devices:"
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ls -l /dev/ttyUSB* 2>/dev/null || echo " (none found)"
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fi
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else
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echo -e "${YELLOW}⚠ USB device 1a86:7523 is NOT connected${NC}"
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echo " Please plug in the device to test"
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fi
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echo
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# Check service status
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echo -e "${BLUE}5. Checking service status...${NC}"
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if systemctl --user is-active --quiet dcc-usb-connector.service; then
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echo -e "${GREEN}✓ Service is RUNNING${NC}"
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systemctl --user status dcc-usb-connector.service --no-pager -l
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else
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echo -e "${YELLOW}⚠ Service is NOT running${NC}"
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echo " Status:"
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systemctl --user status dcc-usb-connector.service --no-pager -l || true
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fi
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echo
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# Test udev rule
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echo -e "${BLUE}6. Testing udev rule (if device is connected)...${NC}"
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if [ -e /dev/ttyUSB0 ]; then
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echo " Running: udevadm test /sys/class/tty/ttyUSB0"
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echo " Looking for SYSTEMD_USER_WANTS..."
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if udevadm test /sys/class/tty/ttyUSB0 2>&1 | grep -q "SYSTEMD_USER_WANTS"; then
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echo -e "${GREEN}✓ Udev rule is triggering systemd${NC}"
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udevadm test /sys/class/tty/ttyUSB0 2>&1 | grep "SYSTEMD_USER_WANTS"
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else
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echo -e "${RED}✗ Udev rule is NOT triggering systemd${NC}"
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echo " The rule may not be matching correctly"
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fi
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else
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echo -e "${YELLOW}⚠ Cannot test udev rule - device not connected${NC}"
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fi
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echo
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# Check network port
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echo -e "${BLUE}7. Checking network port 2560...${NC}"
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if netstat -tuln 2>/dev/null | grep -q ":2560" || ss -tuln 2>/dev/null | grep -q ":2560"; then
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echo -e "${GREEN}✓ Port 2560 is listening${NC}"
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netstat -tuln 2>/dev/null | grep ":2560" || ss -tuln 2>/dev/null | grep ":2560"
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else
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echo -e "${YELLOW}⚠ Port 2560 is NOT listening${NC}"
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echo " Service may not be running or ncat failed to start"
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fi
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echo
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# Summary and instructions
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echo -e "${BLUE}=== Test Summary ===${NC}"
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echo
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echo "To test auto-start/stop behavior:"
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echo
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echo "1. ${YELLOW}Monitor the service in one terminal:${NC}"
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echo " watch -n 1 'systemctl --user status dcc-usb-connector.service'"
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echo
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echo "2. ${YELLOW}Monitor udev events in another terminal:${NC}"
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echo " udevadm monitor --property --subsystem-match=tty"
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echo
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echo "3. ${YELLOW}Plug in the USB device${NC} and watch:"
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echo " - Udev should detect the device"
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echo " - Service should automatically start"
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echo " - Port 2560 should become available"
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echo
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echo "4. ${YELLOW}Unplug the USB device${NC} and watch:"
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echo " - Udev should detect device removal"
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echo " - Service should automatically stop (thanks to StopWhenUnneeded=yes)"
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echo " - Port 2560 should close"
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echo
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echo "5. ${YELLOW}Check logs:${NC}"
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echo " journalctl --user -u dcc-usb-connector.service -f"
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echo
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echo "Expected behavior:"
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echo " • Device connected → Service starts → Port 2560 opens"
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echo " • Device removed → Service stops → Port 2560 closes"
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echo
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