368 lines
11 KiB
Bash
368 lines
11 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2008-2015 OpenWrt.org
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START=90
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STOP=01
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CONFIG_LLDPD_WITH_CDP=y
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CONFIG_LLDPD_WITH_EDP=y
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CONFIG_LLDPD_WITH_FDP=y
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CONFIG_LLDPD_WITH_LLDPMED=y
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CONFIG_LLDPD_WITH_SNMP=y
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CONFIG_LLDPD_WITH_SONMP=y
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USE_PROCD=1
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LLDPDBIN=/usr/sbin/lldpd
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LLDPCLI=/usr/sbin/lldpcli
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LLDPSOCKET=/var/run/lldpd.socket
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LLDPD_CONF=/tmp/lldpd.conf
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LLDPD_CONFS_DIR=/tmp/lldpd.d
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LLDPD_RUN=/var/run/lldpd
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LLDPD_RESTART_HASH=${LLDPD_RUN}/lldpd.restart_hash
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. "$IPKG_INSTROOT/lib/functions/network.sh"
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find_release_info()
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{
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[ -s /etc/os-release ] && . /etc/os-release
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[ -z "$PRETTY_NAME" ] && [ -s /etc/openwrt_version ] && \
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PRETTY_NAME="$(cat /etc/openwrt_version)"
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echo "${PRETTY_NAME:-Unknown OpenWrt release} @ $(cat /proc/sys/kernel/hostname)"
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}
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get_config_restart_hash() {
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local var="$1"
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local _string _hash v
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config_load 'lldpd'
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config_get v 'config' 'lldp_class'; append _string "$v" ","
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if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
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config_get v 'config' 'agentxsocket'; append _string "$v" ","
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fi
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config_get v 'config' 'cid_interface'; append _string "$v" ","
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config_get v 'config' 'filter'; append _string "$v" ","
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config_get_bool v 'config' 'readonly_mode'; append _string "$v" ","
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config_get_bool v 'config' 'lldp_no_version'; append _string "$v" ","
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if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
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config_get_bool v 'config' 'lldpmed_no_inventory'; append _string "$v" ","
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fi
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config_get_bool v 'config' 'enable_lldp' 1; append _string "$v" ","
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config_get_bool v 'config' 'force_lldp'; append _string "$v" ","
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if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
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config_get_bool v 'config' 'enable_cdp'; append _string "$v" ","
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config_get v 'config' 'cdp_version'; append _string "$v" ","
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config_get_bool v 'config' 'force_cdp'; append _string "$v" ","
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config_get_bool v 'config' 'force_cdpv2'; append _string "$v" ","
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fi
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if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ]; then
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config_get_bool v 'config' 'enable_edp'; append _string "$v" ","
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config_get_bool v 'config' 'force_edp'; append _string "$v" ","
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fi
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if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
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config_get_bool v 'config' 'enable_fdp'; append _string "$v" ","
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config_get_bool v 'config' 'force_fdp'; append _string "$v" ","
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fi
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if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
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config_get_bool v 'config' 'enable_sonmp'; append _string "$v" ","
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config_get_bool v 'config' 'force_sonmp'; append _string "$v" ","
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fi
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_hash=`echo -n "${_string}" | md5sum | awk '{ print \$1 }'`
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export -n "$var=$_hash"
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}
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get_config_cid_ifaces() {
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local _ifaces
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config_get _ifaces 'config' 'cid_interface'
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local _iface _ifnames=""
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for _iface in $_ifaces; do
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local _ifname=""
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if network_get_device _ifname "$_iface" || [ -e "/sys/class/net/$_iface" ]; then
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append _ifnames "${_ifname:-$_iface}" ","
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fi
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done
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export -n "${1}=$_ifnames"
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}
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write_lldpd_conf()
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{
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local lldp_description
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config_load 'lldpd'
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config_get lldp_description 'config' 'lldp_description' "$(find_release_info)"
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local lldp_hostname
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config_get lldp_hostname 'config' 'lldp_hostname' "$(cat /proc/sys/kernel/hostname)"
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local ifaces
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config_get ifaces 'config' 'interface'
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local iface ifnames=""
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for iface in $ifaces; do
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local ifname=""
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if network_get_device ifname "$iface" || [ -e "/sys/class/net/$iface" ]; then
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append ifnames "${ifname:-$iface}" ","
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fi
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done
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local lldp_mgmt_ip
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config_get lldp_mgmt_ip 'config' 'lldp_mgmt_ip'
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local lldp_syscapabilities
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config_get lldp_syscapabilities 'config' 'lldp_syscapabilities'
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if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
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local lldpmed_fast_start
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config_get_bool lldpmed_fast_start 'config' 'lldpmed_fast_start' 0
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local lldpmed_fast_start_tx_interval
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config_get lldpmed_fast_start_tx_interval 'config' 'lldpmed_fast_start_tx_interval' 0
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fi
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local lldp_agenttype
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config_get lldp_agenttype 'config' 'lldp_agenttype' 'nearest-bridge'
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local lldp_portidsubtype
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config_get lldp_portidsubtype 'config' 'lldp_portidsubtype' 'macaddress'
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local lldp_platform
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config_get lldp_platform 'config' 'lldp_platform' ""
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local lldp_tx_interval
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config_get lldp_tx_interval 'config' 'lldp_tx_interval' 0
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local lldp_tx_hold
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config_get lldp_tx_hold 'config' 'lldp_tx_hold' 0
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# Clear out the config file first
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echo -n > "$LLDPD_CONF"
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[ -n "$ifnames" ] && echo "configure system interface pattern" "$ifnames" >> "$LLDPD_CONF"
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[ -n "$lldp_description" ] && echo "configure system description" "\"$lldp_description\"" >> "$LLDPD_CONF"
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[ -n "$lldp_hostname" ] && echo "configure system hostname" "\"$lldp_hostname\"" >> "$LLDPD_CONF"
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[ -n "$lldp_mgmt_ip" ] && echo "configure system ip management pattern" "\"$lldp_mgmt_ip\"" >> "$LLDPD_CONF"
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[ -n "$lldp_syscapabilities" ] && echo "configure system capabilities enabled" "\"$lldp_syscapabilities\"" >> "$LLDPD_CONF"
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if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_fast_start -gt 0 ]; then
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if [ $lldpmed_fast_start_tx_interval -gt 0 ]; then
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echo "configure med fast-start tx-interval $lldpmed_fast_start_tx_interval" >> "$LLDPD_CONF"
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else
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echo "configure med fast-start enable" >> "$LLDPD_CONF"
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fi
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fi
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[ -n "$lldp_agenttype" ] && echo "configure lldp agent-type" "\"$lldp_agenttype\"" >> "$LLDPD_CONF"
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[ -n "$lldp_portidsubtype" ] && echo "configure lldp portidsubtype" "\"$lldp_portidsubtype\"" >> "$LLDPD_CONF"
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[ -n "$lldp_platform" ] && echo "configure system platform" "\"$lldp_platform\"" >> "$LLDPD_CONF"
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[ $lldp_tx_interval -gt 0 ] && echo "configure lldp tx-interval" "$lldp_tx_interval" >> "$LLDPD_CONF"
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[ $lldp_tx_hold -gt 0 ] && echo "configure lldp tx-hold" "$lldp_tx_hold" >> "$LLDPD_CONF"
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# Since lldpd's sysconfdir is /tmp, we'll symlink /etc/lldpd.d to /tmp/$LLDPD_CONFS_DIR
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[ -e $LLDPD_CONFS_DIR ] || ln -s /etc/lldpd.d $LLDPD_CONFS_DIR
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}
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start_service() {
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local enable_lldp
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local force_lldp
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local enable_cdp
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local cdp_version
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local force_cdp
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local force_cdpv2
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local enable_fdp
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local force_fdp
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local enable_sonmp
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local force_sonmp
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local enable_edp
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local force_edp
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local lldp_class
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local lldp_location
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local lldp_no_version
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local lldpmed_no_inventory
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local readonly_mode
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local agentxsocket
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local filter
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config_load 'lldpd'
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config_get_bool enable_lldp 'config' 'enable_lldp' 1
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config_get_bool force_lldp 'config' 'force_lldp' 0
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if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ]; then
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config_get_bool enable_cdp 'config' 'enable_cdp' 0
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config_get cdp_version 'config' 'cdp_version' 'cdpv1v2'
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config_get_bool force_cdp 'config' 'force_cdp' 0
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config_get_bool force_cdpv2 'config' 'force_cdpv2' 0
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fi
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if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ]; then
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config_get_bool enable_fdp 'config' 'enable_fdp' 0
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config_get_bool force_fdp 'config' 'force_fdp' 0
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fi
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if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ]; then
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config_get_bool enable_sonmp 'config' 'enable_sonmp' 0
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config_get_bool force_sonmp 'config' 'force_sonmp' 0
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fi
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if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ]; then
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config_get_bool enable_edp 'config' 'enable_edp' 0
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config_get_bool force_edp 'config' 'force_edp' 0
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fi
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config_get lldp_class 'config' 'lldp_class'
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config_get lldp_location 'config' 'lldp_location'
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config_get_bool lldp_no_version 'config' 'lldp_no_version' 0
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if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
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config_get_bool lldpmed_no_inventory 'config' 'lldpmed_no_inventory' 0
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fi
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config_get_bool readonly_mode 'config' 'readonly_mode' 0
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if [ "$CONFIG_LLDPD_WITH_SNMP" == "y" ]; then
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config_get agentxsocket 'config' 'agentxsocket'
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fi
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config_get filter 'config' 'filter' 15
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mkdir -p ${LLDPD_RUN}
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chown lldp:lldp ${LLDPD_RUN}
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# When lldpd starts, it also loads up what we write in this config file
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write_lldpd_conf
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procd_open_instance
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procd_set_param command ${LLDPDBIN}
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procd_append_param command -d
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if [ $enable_lldp -gt 0 ]; then
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if [ $force_lldp -gt 0 ]; then
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procd_append_param command '-l'
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fi
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else
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# Disable LLDP
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procd_append_param command '-ll'
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fi
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if [ "$CONFIG_LLDPD_WITH_CDP" == "y" ] && [ $enable_cdp -gt 0 ]; then
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if [ $cdp_version == "cdpv2" ]; then
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if [ $force_cdp -gt 0 ]; then
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# CDPv1 disabled, CDPv2 forced
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procd_append_param command '-ccccc'
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else
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# CDPv1 disabled, CDPv2 enabled
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procd_append_param command '-cccc'
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fi
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elif [ $cdp_version == "cdpv1v2" ]; then
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if [ $force_cdp -gt 0 ] && [ $force_cdpv2 -gt 0 ]; then
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# CDPv1 enabled, CDPv2 forced
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procd_append_param command '-ccc'
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elif [ $force_cdp -gt 0 ]; then
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# CDPv1 forced, CDPv2 enabled
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procd_append_param command '-cc'
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else
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# CDPv1 and CDPv2 enabled
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procd_append_param command '-c'
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fi
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fi
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fi
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if [ "$CONFIG_LLDPD_WITH_FDP" == "y" ] && [ $enable_fdp -gt 0 ]; then
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if [ $force_fdp -gt 0 ]; then
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# FDP enabled and forced
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procd_append_param command '-ff'
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else
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# FDP enabled
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procd_append_param command '-f'
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fi
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fi
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if [ "$CONFIG_LLDPD_WITH_SONMP" == "y" ] && [ $enable_sonmp -gt 0 ]; then
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if [ $force_sonmp -gt 0 ]; then
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# SONMP enabled and forced
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procd_append_param command '-ss'
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else
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# SONMP enabled
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procd_append_param command '-s'
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fi
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fi
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if [ "$CONFIG_LLDPD_WITH_EDP" == "y" ] && [ $enable_edp -gt 0 ]; then
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if [ $force_edp -gt 0 ]; then
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# EDP enabled and forced
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procd_append_param command '-ee'
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else
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# EDP enabled
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procd_append_param command '-e'
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fi
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fi
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[ $readonly_mode -gt 0 ] && procd_append_param command '-r'
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[ $lldp_no_version -gt 0 ] && procd_append_param command '-k'
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[ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ] && [ $lldpmed_no_inventory -gt 0 ] && procd_append_param command '-i'
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[ -n "$lldp_class" ] && procd_append_param command -M "$lldp_class"
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[ "$CONFIG_LLDPD_WITH_SNMP" == "y" ] && [ -n "$agentxsocket" ] && procd_append_param command -x -X "$agentxsocket"
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[ -n "$filter" ] && procd_append_param command -H "$filter"
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# ChassisID interfaces
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local ifnames
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get_config_cid_ifaces ifnames
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[ -n "$ifnames" ] && procd_append_param command -C "$ifnames"
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# Overwrite default configuration locations processed by lldpcli at start
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procd_append_param command -O "$LLDPD_CONF"
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local restart_hash
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get_config_restart_hash restart_hash
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echo -n "$restart_hash" > $LLDPD_RESTART_HASH
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# set auto respawn behavior
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procd_set_param respawn
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procd_close_instance
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}
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service_triggers() {
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procd_add_config_trigger "config.change" "lldpd" /etc/init.d/lldpd reload
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}
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reload_service() {
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running || return 1
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local running_hash=""
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local config_hash=""
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get_config_restart_hash config_hash
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if [ -f ${LLDPD_RESTART_HASH} ]; then running_hash=`cat $LLDPD_RESTART_HASH`; fi
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if [ "x$running_hash" != "x$config_hash" ]; then
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# Restart LLDPd
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# Some parameters can't be configured at runtime
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restart
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return 0
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fi
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$LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
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pause
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unconfigure lldp custom-tlv
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unconfigure system interface pattern
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unconfigure system description
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unconfigure system hostname
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unconfigure system ip management pattern
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unconfigure system platform
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EOF
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if [ "$CONFIG_LLDPD_WITH_LLDPMED" == "y" ]; then
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$LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
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unconfigure med fast-start
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EOF
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fi
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# Rewrite lldpd.conf
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# If something changed it should be included by the lldpcli call
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write_lldpd_conf
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$LLDPCLI -u $LLDPSOCKET -c $LLDPD_CONF -c $LLDPD_CONFS_DIR &> /dev/null
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# Broadcast update over the wire
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$LLDPCLI -u $LLDPSOCKET &> /dev/null <<-EOF
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resume
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update
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EOF
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return 0
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}
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stop_service() {
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rm -rf ${LLDPD_RUN} $LLDPSOCKET 2>/dev/null
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}
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