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#!/bin/sh /etc/rc.common
# Copyright (C) 2008-2015 OpenWrt.org
START=90
STOP=01
USE_PROCD=1
LLDPCLI=/usr/sbin/lldpcli
LLDPSOCKET=/var/run/lldpd.socket
LLDPD_CONF=/tmp/lldpd.conf
LLDPD_CONFS_DIR=/tmp/lldpd.d
find_release_info()
{
[ -s /etc/os-release ] && . /etc/os-release
[ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
PRETTY_NAME="$(cat /etc/openwrt_version)"
echo "${PRETTY_NAME:-Unknown Lede release} @ $(cat /proc/sys/kernel/hostname)"
}
write_lldpd_conf()
{
. /lib/functions/network.sh
local lldp_description
config_load 'lldpd'
config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
local ifaces
config_get ifaces 'config' 'interface'
local iface ifnames=""
for iface in $ifaces; do
local ifname=""
if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
append ifnames "${ifname:-$iface}" ","
fi
done
# Clear out the config file first
echo -n > "$LLDPD_CONF"
[ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
[ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
# Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
[ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
}
start_service() {
local enable_cdp
local enable_fdp
local enable_sonmp
local enable_edp
local lldp_class
local lldp_location
local readonly_mode
local agentxsocket
config_load 'lldpd'
config_get_bool enable_cdp 'config' 'enable_cdp' 0
config_get_bool enable_fdp 'config' 'enable_fdp' 0
config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
config_get_bool enable_edp 'config' 'enable_edp' 0
config_get lldp_class 'config' 'lldp_class'
config_get lldp_location 'config' 'lldp_location'
config_get_bool readonly_mode 'config' 'readonly_mode' 0
config_get agentxsocket 'config' 'agentxsocket'
mkdir -p /var/run/lldp
chown lldp:lldp /var/run/lldp
# When lldpd starts, it also loads up what we write in this config file
write_lldpd_conf
procd_open_instance
procd_set_param command /usr/sbin/lldpd
procd_append_param command -d # don't daemonize, procd will handle that for us
[ $enable_cdp -gt 0 ] && procd_append_param command '-c'
[ $enable_fdp -gt 0 ] && procd_append_param command '-f'
[ $enable_sonmp -gt 0 ] && procd_append_param command '-s'
[ $enable_edp -gt 0 ] && procd_append_param command '-e'
[ $readonly_mode -gt 0 ] && procd_append_param command '-r'
[ -n "$lldp_class" ] && procd_append_param command -M "$lldp_class"
[ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
# set auto respawn behavior
procd_set_param respawn
procd_append_param respawn 3600
procd_append_param respawn 5
procd_append_param respawn -1
procd_close_instance
}
service_running() {
pgrep -x /usr/sbin/lldpd &> /dev/null
}
reload_service() {
running || return 1
$LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
pause
unconfigure lldp custom-tlv
unconfigure system interface pattern
unconfigure system description
EOF
# Rewrite lldpd.conf
# If something changed it should be included by the lldpcli call
write_lldpd_conf
$LLDPCLI -u $LLDPSOCKET -c $LLDPD_CONF -c $LLDPD_CONFS_DIR &> /dev/null
# Broadcast update over the wire
$LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
resume
update
EOF
return 0
}
stop_service() {
rm -rf /var/run/lldp $LLDPSOCKET
}
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