venus/axiom-nmea/examples/dbus-raymarine-publisher/install.sh

#!/bin/bash
#
# Installation script for Raymarine D-Bus Publisher on Venus OS
#
# Run this on the Venus OS device after copying files to /data/dbus-raymarine-publisher/
#
# Usage:
#   chmod +x install.sh
#   ./install.sh
#

set -e

INSTALL_DIR="/data/dbus-raymarine-publisher"
SERVICE_LINK="dbus-raymarine-publisher"

# Find velib_python
VELIB_DIR=""
if [ -d "/opt/victronenergy/velib_python" ]; then
    VELIB_DIR="/opt/victronenergy/velib_python"
else
    for candidate in \
        "/opt/victronenergy/dbus-systemcalc-py/ext/velib_python" \
        "/opt/victronenergy/dbus-generator/ext/velib_python" \
        "/opt/victronenergy/dbus-mqtt/ext/velib_python" \
        "/opt/victronenergy/dbus-digitalinputs/ext/velib_python" \
        "/opt/victronenergy/vrmlogger/ext/velib_python"
    do
        if [ -d "$candidate" ] && [ -f "$candidate/vedbus.py" ]; then
            VELIB_DIR="$candidate"
            break
        fi
    done
fi

if [ -z "$VELIB_DIR" ]; then
    VEDBUS_PATH=$(find /opt/victronenergy -name "vedbus.py" -path "*/velib_python/*" 2>/dev/null | head -1)
    if [ -n "$VEDBUS_PATH" ]; then
        VELIB_DIR=$(dirname "$VEDBUS_PATH")
    fi
fi

# Determine service directory
if [ -d "/service" ] && [ ! -L "/service" ]; then
    SERVICE_DIR="/service"
elif [ -d "/opt/victronenergy/service" ]; then
    SERVICE_DIR="/opt/victronenergy/service"
elif [ -L "/service" ]; then
    SERVICE_DIR=$(readlink -f /service)
else
    SERVICE_DIR="/opt/victronenergy/service"
fi

echo "=================================================="
echo "Raymarine D-Bus Publisher - Installation"
echo "=================================================="

if [ ! -d "$SERVICE_DIR" ]; then
    echo "ERROR: This doesn't appear to be a Venus OS device."
    echo "       Service directory not found."
    exit 1
fi

echo "Detected service directory: $SERVICE_DIR"

if [ ! -f "$INSTALL_DIR/venus_publisher.py" ]; then
    echo "ERROR: Installation files not found in $INSTALL_DIR"
    echo "       Please copy all files to $INSTALL_DIR first."
    exit 1
fi
if [ ! -f "$INSTALL_DIR/service/run" ]; then
    echo "ERROR: service/run not found. The package is incomplete."
    exit 1
fi

echo "1. Making scripts executable..."
chmod +x "$INSTALL_DIR/service/run"
chmod +x "$INSTALL_DIR/service/log/run"
chmod +x "$INSTALL_DIR/venus_publisher.py"

echo "2. Creating velib_python symlink..."
if [ -z "$VELIB_DIR" ]; then
    echo "ERROR: Could not find velib_python on this system."
    exit 1
fi
echo "   Found velib_python at: $VELIB_DIR"
mkdir -p "$INSTALL_DIR/ext"
if [ -L "$INSTALL_DIR/ext/velib_python" ]; then
    CURRENT_TARGET=$(readlink "$INSTALL_DIR/ext/velib_python")
    if [ "$CURRENT_TARGET" != "$VELIB_DIR" ]; then
        echo "   Updating symlink (was: $CURRENT_TARGET)"
        rm "$INSTALL_DIR/ext/velib_python"
    fi
fi
if [ ! -L "$INSTALL_DIR/ext/velib_python" ]; then
    ln -s "$VELIB_DIR" "$INSTALL_DIR/ext/velib_python"
    echo "   Symlink created: $INSTALL_DIR/ext/velib_python -> $VELIB_DIR"
else
    echo "   Symlink already exists"
fi

echo "3. Configuring network interface..."
echo ""
echo "   Available network interfaces:"
for iface in $(ls /sys/class/net/ 2>/dev/null); do
    ip=$(ip -4 addr show "$iface" 2>/dev/null | grep 'inet ' | awk '{print $2}' | cut -d/ -f1 | head -n 1)
    if [ -n "$ip" ]; then
        echo "     $iface: $ip"
    fi
done
echo ""
echo "   Select network interface for Raymarine VLAN:"
echo "     1) eth0   - Ethernet (recommended)"
echo "     2) wlan0  - WiFi"
echo "     3) Enter a specific IP address"
echo ""
read -p "   Choose [1-3]: " -n 1 -r CHOICE
echo ""

case $CHOICE in
    1) INTERFACE="eth0" ;;
    2) INTERFACE="wlan0" ;;
    3)
        read -p "   Enter IP address: " INTERFACE
        if ! echo "$INTERFACE" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+$'; then
            echo "   Invalid IP address. Using eth0."
            INTERFACE="eth0"
        fi
        ;;
    *) INTERFACE="eth0" ;;
esac

echo "   Using interface: $INTERFACE"

echo "4. Configuring NMEA TCP server..."
echo ""
echo "   The service can run an NMEA 0183 TCP server for navigation apps"
echo "   (Navionics, iSailor, OpenCPN, SignalK, etc.)"
echo ""
echo "     1) Enable on default port 10110 (recommended)"
echo "     2) Enable on custom port"
echo "     3) Disable NMEA TCP server"
echo ""
read -p "   Choose [1-3]: " -n 1 -r TCP_CHOICE
echo ""

case $TCP_CHOICE in
    1) NMEA_TCP_PORT="10110" ;;
    2)
        read -p "   Enter TCP port (1024-65535): " NMEA_TCP_PORT
        if ! echo "$NMEA_TCP_PORT" | grep -qE '^[0-9]+$' || [ "$NMEA_TCP_PORT" -lt 1024 ] || [ "$NMEA_TCP_PORT" -gt 65535 ]; then
            echo "   Invalid port. Using default 10110."
            NMEA_TCP_PORT="10110"
        fi
        ;;
    3) NMEA_TCP_PORT="disabled" ;;
    *) NMEA_TCP_PORT="10110" ;;
esac

sed -i "s/^INTERFACE=.*/INTERFACE=\"$INTERFACE\"/" "$INSTALL_DIR/service/run"
sed -i "s/^NMEA_TCP_PORT=.*/NMEA_TCP_PORT=\"$NMEA_TCP_PORT\"/" "$INSTALL_DIR/service/run"

echo "5. Creating service symlink..."
if [ -L "$SERVICE_DIR/$SERVICE_LINK" ]; then
    echo "   Service link already exists, removing old link..."
    rm "$SERVICE_DIR/$SERVICE_LINK"
fi
if [ -e "$SERVICE_DIR/$SERVICE_LINK" ]; then
    rm -rf "$SERVICE_DIR/$SERVICE_LINK"
fi
ln -s "$INSTALL_DIR/service" "$SERVICE_DIR/$SERVICE_LINK"

if [ -L "$SERVICE_DIR/$SERVICE_LINK" ]; then
    echo "   Symlink created: $SERVICE_DIR/$SERVICE_LINK -> $INSTALL_DIR/service"
else
    echo "ERROR: Failed to create service symlink"
    exit 1
fi

echo "6. Creating log directory..."
mkdir -p /var/log/dbus-raymarine-publisher

echo "7. Setting up rc.local for persistence..."
RC_LOCAL="/data/rc.local"
if [ ! -f "$RC_LOCAL" ]; then
    echo "#!/bin/bash" > "$RC_LOCAL"
    chmod +x "$RC_LOCAL"
fi

if ! grep -q "dbus-raymarine-publisher" "$RC_LOCAL"; then
    echo "" >> "$RC_LOCAL"
    echo "# Raymarine D-Bus Publisher" >> "$RC_LOCAL"
    echo "if [ ! -L $SERVICE_DIR/$SERVICE_LINK ]; then" >> "$RC_LOCAL"
    echo "    ln -s /data/dbus-raymarine-publisher/service $SERVICE_DIR/$SERVICE_LINK" >> "$RC_LOCAL"
    echo "fi" >> "$RC_LOCAL"
    echo "   Added to rc.local for persistence across firmware updates"
else
    echo "   Already in rc.local"
fi

echo "8. Activating service..."
sleep 2
if command -v svstat >/dev/null 2>&1; then
    if svstat "$SERVICE_DIR/$SERVICE_LINK" 2>/dev/null | grep -q "up"; then
        echo "   Service is running"
    else
        echo "   Waiting for service to start..."
        sleep 3
    fi
fi

echo ""
echo "=================================================="
echo "Installation complete!"
echo "=================================================="
echo ""

if command -v svstat >/dev/null 2>&1; then
    echo "Current status:"
    svstat "$SERVICE_DIR/$SERVICE_LINK" 2>/dev/null || echo "  Service not yet detected by svscan"
    echo ""
fi

echo "Configuration:"
echo "  Interface:     $INTERFACE"
if [ "$NMEA_TCP_PORT" != "disabled" ]; then
    echo "  NMEA TCP port: $NMEA_TCP_PORT"
else
    echo "  NMEA TCP:      disabled"
fi
echo ""
echo "To check status:"
echo "  svstat $SERVICE_DIR/$SERVICE_LINK"
echo ""
echo "To view logs:"
echo "  tail -F /var/log/dbus-raymarine-publisher/current | tai64nlocal"
echo ""