Add systemd and udev services for dcc-connector

connector/install-udev-rule.sh

@@ -0,0 +1,127 @@
+#!/usr/bin/env bash
+#
+# Installation script for DCC USB-to-Network Bridge auto-start
+#
+# This script installs the udev rule and systemd service to automatically
+# start the dcc-usb-connector.service when USB device 1a86:7523 is connected.
+#
+# Usage:
+#   ./install-udev-rule.sh
+#
+
+set -e
+
+# Colors for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Get the directory where this script is located
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+echo -e "${GREEN}DCC USB-to-Network Bridge Auto-Start Installation${NC}"
+echo "=========================================================="
+echo
+
+# Check if running as root (not recommended for systemd user service)
+if [ "$EUID" -eq 0 ]; then
+    echo -e "${YELLOW}Warning: You are running as root.${NC}"
+    echo "This script will install a user systemd service."
+    echo "Please run as a regular user (not with sudo)."
+    echo
+    read -p "Continue anyway? (y/N) " -n 1 -r
+    echo
+    if [[ ! $REPLY =~ ^[Yy]$ ]]; then
+        exit 1
+    fi
+fi
+
+# Check for required files
+echo "Checking required files..."
+if [ ! -f "$SCRIPT_DIR/99-dcc-usb-connector.rules" ]; then
+    echo -e "${RED}Error: 99-dcc-usb-connector.rules not found${NC}"
+    exit 1
+fi
+if [ ! -f "$SCRIPT_DIR/dcc-usb-connector.service" ]; then
+    echo -e "${RED}Error: dcc-usb-connector.service not found${NC}"
+    exit 1
+fi
+echo -e "${GREEN}✓ All required files found${NC}"
+echo
+
+# Install udev rule (requires sudo)
+echo "Installing udev rule..."
+echo "This requires sudo privileges."
+sudo cp "$SCRIPT_DIR/99-dcc-usb-connector.rules" /etc/udev/rules.d/
+sudo udevadm control --reload-rules
+sudo udevadm trigger --subsystem-match=tty
+echo -e "${GREEN}✓ Udev rule installed${NC}"
+echo
+
+# Install systemd user service
+echo "Installing systemd user service..."
+mkdir -p ~/.config/systemd/user/
+cp "$SCRIPT_DIR/dcc-usb-connector.service" ~/.config/systemd/user/
+systemctl --user daemon-reload
+echo -e "${GREEN}✓ Systemd service installed${NC}"
+echo
+
+# Enable lingering (allows user services to run without being logged in)
+echo "Enabling systemd lingering for user..."
+if loginctl show-user "$USER" | grep -q "Linger=yes"; then
+    echo -e "${GREEN}✓ Lingering already enabled${NC}"
+else
+    sudo loginctl enable-linger "$USER"
+    echo -e "${GREEN}✓ Lingering enabled${NC}"
+fi
+echo
+
+# Check user groups
+echo "Checking user permissions..."
+if groups "$USER" | grep -q '\bdialout\b'; then
+    echo -e "${GREEN}✓ User is in 'dialout' group${NC}"
+else
+    echo -e "${YELLOW}Warning: User is not in 'dialout' group${NC}"
+    echo "You may need to add yourself to the dialout group:"
+    echo "  sudo usermod -a -G dialout $USER"
+    echo "Then log out and log back in for changes to take effect."
+fi
+echo
+
+# Check for ncat
+echo "Checking for required tools..."
+if command -v ncat &> /dev/null; then
+    echo -e "${GREEN}✓ ncat is installed${NC}"
+else
+    echo -e "${YELLOW}Warning: ncat is not installed${NC}"
+    echo "Install it with: sudo dnf install nmap-ncat"
+fi
+echo
+
+# Summary
+echo "=========================================================="
+echo -e "${GREEN}Installation complete!${NC}"
+echo
+echo "The service will automatically start when USB device 1a86:7523"
+echo "is connected to /dev/ttyUSB0"
+echo
+echo "To test:"
+echo "  1. Plug in the USB device"
+echo "  2. Check service status: systemctl --user status dcc-usb-connector.service"
+echo "  3. Test connection: telnet localhost 2560"
+echo
+echo "To manually control:"
+echo "  Start:  systemctl --user start dcc-usb-connector.service"
+echo "  Stop:   systemctl --user stop dcc-usb-connector.service"
+echo "  Status: systemctl --user status dcc-usb-connector.service"
+echo
+echo "To view logs:"
+echo "  journalctl --user -u dcc-usb-connector.service -f"
+echo
+echo "To uninstall:"
+echo "  sudo rm /etc/udev/rules.d/99-dcc-usb-connector.rules"
+echo "  rm ~/.config/systemd/user/dcc-usb-connector.service"
+echo "  systemctl --user daemon-reload"
+echo "  sudo udevadm control --reload-rules"
+echo