| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | #!/bin/sh |
| 2 | # |
| 3 | # This script is called with the following parameters: |
| 4 | # interface tty speed local-address remote-address ipparam |
| 5 | # |
| 6 | |
| 7 | |
| 8 | # Start router advertisements on this link. |
| 9 | # Based on radvd 0.5.0 behaviour |
| 10 | |
| 11 | DEVICE="$1" |
| 12 | |
| 13 | CFGFILE="/etc/radvd.conf-$DEVICE" |
| 14 | PIDFILE="/var/run/radvd-$DEVICE.pid" |
| 15 | EXEFILE="/usr/sbin/radvd" |
| 16 | |
| 17 | if [ -x "$EXEFILE" -a -f "$CFGFILE" ]; then |
| 18 | touch "$PIDFILE" |
| 19 | if [ ! -f "$PIDFILE" ]; then |
| 20 | echo "error: $PIDFILE is not a regular file. Aborting" |
| 21 | exit 0 |
| 22 | fi |
| 23 | |
| 24 | PID="$(cat "$PIDFILE")" |
| 25 | if [ -n "$PID" ]; then |
| 26 | ps h "$PID" >/dev/null 2>&1 && exit 0 |
| 27 | fi |
| 28 | |
| 29 | # radvd 0.5.0 doesn't write a pid-file so we do it here |
| 30 | # enabling debugging keeps radvd in foreground, putting it |
| 31 | # on background gives us the PID. |
| 32 | "$EXEFILE" -d 1 -C "$CFGFILE" & |
| 33 | echo $! >"$PIDFILE" |
| 34 | fi |