#!/bin/sh /etc/rc.common
-# Copyright (C) 2008-2012 OpenWrt.org
+# Copyright (C) 2008-2015 OpenWrt.org
START=90
+STOP=01
-SERVICE_USE_PID=1
+USE_PROCD=1
+LLDPDBIN=/usr/sbin/lldpd
+LLDPCLI=/usr/sbin/lldpcli
+LLDPSOCKET=/var/run/lldpd.socket
+LLDPD_CONF=/tmp/lldpd.conf
+LLDPD_CONFS_DIR=/tmp/lldpd.d
+
+LLDPD_RUN=/var/run/lldpd
+LLDPD_RESTART_HASH=${LLDPD_RUN}/lldpd.restart_hash
+
+. "$IPKG_INSTROOT/lib/functions/network.sh"
find_release_info()
{
- [ -s /etc/openwrt_release ] && . /etc/openwrt_release
- [ -z "$DISTRIB_DESCRIPTION" ] && [ -s /etc/openwrt_version ] && \
- DISTRIB_DESCRIPTION="$(cat /etc/openwrt_version)"
+ [ -s /etc/os-release ] && . /etc/os-release
+ [ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
+ PRETTY_NAME="$(cat /etc/openwrt_version)"
- echo "${DISTRIB_DESCRIPTION:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
+ echo "${PRETTY_NAME:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
}
-start() {
- . /lib/functions/network.sh
+get_config_restart_hash() {
+ local var="$1"
+ local _string _hash v
+
+ config_load 'lldpd'
+
+ config_get v 'config' 'lldp_class'; append _string "$v" ","
+ config_get v 'config' 'agentxsocket'; append _string "$v" ","
+ config_get_bool v 'config' 'readonly_mode'; append _string "$v" ","
+ config_get_bool v 'config' 'enable_lldp' 1; append _string "$v" ","
+ config_get_bool v 'config' 'enable_cdp'; append _string "$v" ","
+ config_get_bool v 'config' 'enable_edp'; append _string "$v" ","
+ config_get_bool v 'config' 'enable_fdp'; append _string "$v" ","
+ config_get_bool v 'config' 'enable_sonmp'; append _string "$v" ","
+
+ _hash=`echo -n "${_string}" | md5sum | awk '{ print \$1 }'`
+ export -n "$var=$_hash"
+}
+
+write_lldpd_conf()
+{
+ local lldp_description
+
+ config_load 'lldpd'
+ config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
+
+ local lldp_hostname
+ config_get lldp_hostname 'config' 'lldp_hostname' "$(cat /proc/sys/kernel/hostname)"
+
+ 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:-$iface}" ","
+ fi
+ done
+
+ local lldp_mgmt_ip
+ config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
+
+ local lldp_syscapabilities
+ config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
+
+ # Clear out the config file first
+ echo -n > "$LLDPD_CONF"
+ [ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
+ [ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
+ [ -n "$lldp_hostname" ] && echo "configure system hostname" "\"$lldp_hostname\"" >> "$LLDPD_CONF"
+ [ -n "$lldp_mgmt_ip" ] && echo "configure system ip management pattern" "\"$lldp_mgmt_ip\"" >> "$LLDPD_CONF"
+ [ -n "$lldp_syscapabilities" ] && echo "configure system capabilities enabled" "\"$lldp_syscapabilities\"" >> "$LLDPD_CONF"
+
+ # Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
+ [ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
+}
+
+start_service() {
local enable_cdp
local enable_fdp
local enable_edp
local lldp_class
local lldp_location
- local lldp_description
local readonly_mode
+ local agentxsocket
config_load 'lldpd'
config_get_bool enable_cdp 'config' 'enable_cdp' 0
config_get_bool enable_edp 'config' 'enable_edp' 0
config_get lldp_class 'config' 'lldp_class'
config_get lldp_location 'config' 'lldp_location'
- config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
config_get_bool readonly_mode 'config' 'readonly_mode' 0
+ config_get agentxsocket 'config' 'agentxsocket'
- local ifaces
- config_get ifaces 'config' 'interface'
+ mkdir -p ${LLDPD_RUN}
+ chown lldp:lldp ${LLDPD_RUN}
- 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
+ # When lldpd starts, it also loads up what we write in this config file
+ write_lldpd_conf
+
+ procd_open_instance
+ procd_set_param command ${LLDPDBIN}
+ procd_append_param command -d
+
+ [ $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 "$agentxsocket"
+
+ # Overwrite default configuration locations processed by lldpcli at start
+ procd_append_param command -O "$LLDPD_CONF"
- mkdir -p /var/run/lldp
- chown lldp:lldp /var/run/lldp
+ local restart_hash
+ get_config_restart_hash restart_hash
+ echo -n "$restart_hash" > $LLDPD_RESTART_HASH
- [ -n "$ifnames" ] && append args "-I $ifnames"
- [ $enable_cdp -gt 0 ] && append args '-c'
- [ $enable_fdp -gt 0 ] && append args '-f'
- [ $enable_sonmp -gt 0 ] && append args '-s'
- [ $enable_edp -gt 0 ] && append args '-e'
- [ $readonly_mode -gt 0 ] && append args '-r'
+ # set auto respawn behavior
+ procd_set_param respawn
+ procd_close_instance
+}
+
+service_triggers() {
+ procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
+}
- service_start /usr/sbin/lldpd $args \
- ${lldp_class:+ -M $lldp_class} \
- ${lldp_description:+ -S "$lldp_description"}
+reload_service() {
+ running || return 1
+
+ local running_hash=""
+ local config_hash=""
+
+ get_config_restart_hash config_hash
+ if [ -f ${LLDPD_RESTART_HASH} ]; then running_hash=`cat $LLDPD_RESTART_HASH`; fi
+
+ if [ "x$running_hash" != "x$config_hash" ]; then
+ # Restart LLDPd
+ # Some parameters can't be configured at runtime
+ restart
+ return 0
+ fi
+
+ $LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
+ pause
+ unconfigure lldp custom-tlv
+ unconfigure system interface pattern
+ unconfigure system description
+ unconfigure system hostname
+ unconfigure system ip management pattern
+ 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_stop /usr/sbin/lldpd
- rm -f /var/run/lldpd.socket /var/run/lldpd.pid
+stop_service() {
+ rm -rf ${LLDPD_RUN} $LLDPSOCKET 2>/dev/null
}
+