babeld: migrate from openwrt/packages
- Update maintainer email address - Wait for babel to die in init script (avoid race-condition on restart) Signed-off-by: Gabriel Kerneis <gabriel@kerneis.info>
This commit is contained in:
Gabriel Kerneis
parent
1a690796a3
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c4de5a575b
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#
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# Copyright (C) 2007-2009 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=babeld
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PKG_VERSION:=1.4.2
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PKG_RELEASE:=2
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=http://www.pps.univ-paris-diderot.fr/~jch/software/files/
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PKG_MD5SUM:=a48e8129f221f66640ae1ccf73190991
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include $(INCLUDE_DIR)/package.mk
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define Package/babeld
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SECTION:=net
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CATEGORY:=Network
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SUBMENU:=Routing and Redirection
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TITLE:=A loop-free distance-vector routing protocol
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URL:=http://www.pps.univ-paris-diderot.fr/~jch/software/babel/
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MAINTAINER:=Gabriel Kerneis <gabriel@kerneis.info>
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DEPENDS:=+kmod-ipv6 +librt
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endef
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define Package/babeld/description
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Babel is a loop-avoiding distance-vector routing protocol roughly based
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on DSDV and AODV, but with provisions for link cost estimation and
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redistribution of routes from other routing protocols.
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While it is optimised for wireless mesh networks, Babel will also work
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efficiently on wired networks. It will generate between 1.2 and 2.4 times
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the amount of routing traffic that RIPng would generate, while
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never counting to infinity.
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endef
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define Package/babeld/conffiles
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/etc/babeld.conf
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/etc/config/babeld
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endef
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MAKE_FLAGS+= \
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CFLAGS="$(TARGET_CFLAGS)" \
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define Package/babeld/install
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/babeld $(1)/usr/sbin/
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$(INSTALL_DIR) $(1)/etc
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$(INSTALL_CONF) ./files/babeld.conf $(1)/etc/
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$(INSTALL_DIR) $(1)/etc/config
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$(INSTALL_CONF) ./files/babeld.config $(1)/etc/config/babeld
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$(INSTALL_DIR) $(1)/etc/init.d
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$(INSTALL_BIN) ./files/babeld.init $(1)/etc/init.d/babeld
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endef
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$(eval $(call BuildPackage,babeld))
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# babel config file
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#
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# This config file simply documents sample entries.
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# "redistribute" means: redistribute routes from other routing protocols
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# into babel. "local" means addresses assigned to local interfaces.
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#
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# You do not need to edit this file: you can use /etc/config/babeld
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# instead (sections "interface" and "filter"). Both files can be used
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# simultaneously (the rules of this file are executed first).
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# the default rules are:
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#
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## redistribute local
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## redistribute deny
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#
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# this says, redistribute local addresses but no other routes
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# redistribute IPv4 default route into babel
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## redistribute local ip 0.0.0.0/0 le 0 metric 128
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# same but for IPv6
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## redistribute local ip ::/0 le 0 metric 128
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# don't redistribute all local addresses, only selected ones
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# after the first line, the "deny" rules kicks in. After the "deny"
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# no redistribute local rules are going to match
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## redistribute local ip 192.160.4.0/24
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## redistribute local deny
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# Babel refuses to redistribute routes with a protocol number of "boot";
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# this is standard practice, and means that you cannot easily
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# redistribute the default route installed by dhcp. It is however
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# possible to redistribute such route by explicitly specifying "proto 3"
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# on the redistribute line.
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## redistribute ip 0.0.0.0/0 le 0 proto 3 metric 128
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package babeld
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config general
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# option 'multicast_address' 'ff02:0:0:0:0:0:1:6'
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# option 'port' '6696'
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# option 'state_file' '/var/lib/babel-state'
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# option 'hello_interval' '4'
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# option 'wired_hello_interval' '20'
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# option 'diversity' '0,128'
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# option 'smoothing_half_time' '4'
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# option 'kernel_priority' '0'
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# Do not use this option unless you know what you are doing, as it can
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# cause persistent route flapping.
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## option 'duplication_priority' '0'
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# option 'carrier_sense' 'false'
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# option 'assume_wireless' 'false'
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# option 'no_split_horizon' 'false'
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# option 'debug' '0'
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# Listen for connections from a front-end, e.g. on port 33123.
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## option 'local_server' '33123'
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# option 'random_router_id' 'false'
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# Keep unfeasible routes
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## option 'keep_unfeasible' 'false'
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# Use the given kernel routing table for routes inserted by babeld.
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## option 'export_table' '0'
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# Export routes from the given kernel routing tables.
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## list 'import_table' '0'
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## list 'import_table' '42'
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# The configuration file is not necessary since you can do everything
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# from this file.
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# option 'conf_file' '/etc/babeld.conf'
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# option 'log_file' '/var/log/babeld.log'
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# You can use aliases (like lan, wlan) or real names (like eth0.0).
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# If you use an alias, it must be already defined when babeld starts.
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# Otherwise, the name is taken literally and the interface can be
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# brought up later (useful for tunnels for instance).
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config interface wlan
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# Remove this line to enable babeld on this interface
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option 'ignore' 'true'
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# option 'wired' 'auto'
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# option 'link_quality' 'auto'
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# option 'split_horizon' 'auto'
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# The default is 96 for wired interfaces, and 256 for wireless ones
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## option 'rxcost' '256'
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# The default is specified with the -h and -H command-line flags.
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## option 'hello_interval' '4'
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# This can be set to a fairly large value, unless significant
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# packet loss is expected. The default is four times the hello
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# interval.
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## option 'update_interval' '16'
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config interface lan
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option 'ignore' 'true'
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# A filter consists in a type ('in', 'out' or 'redistribute'), an action
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# ('allow', 'deny' or 'metric xxx') and a set of selectors ('ip', 'eq',
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# etc.). See /etc/babeld.conf for more details.
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# Here is a sample filter wich redistributes the default route if its
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# protocol number is "boot", e.g. when it installed by dhcp. It is
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# disabled by default.
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config filter
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option 'ignore' 'true'
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# Type
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option 'type' 'redistribute'
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# Selectors: ip, eq, le, ge, neigh, id, proto, local, if
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option 'ip' '0.0.0.0/0'
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option 'le' '0'
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option 'proto' '3'
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# Action
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option 'action' 'metric 128'
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@ -0,0 +1,150 @@
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#!/bin/sh /etc/rc.common
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START=70
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pidfile='/var/run/babeld.pid'
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EXTRA_COMMANDS="status"
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EXTRA_HELP=" status Dump Babel's table to the log file."
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listen_ifname() {
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local ifname=$(uci_get_state network "$1" ifname "$1")
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local switch="$2"
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append args "$switch $ifname"
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append interfaces "$ifname"
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}
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append_ifname() {
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local section="$1"
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local option="$2"
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local switch="$3"
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local _name
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config_get _name "$section" "$option"
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[ -z "$_name" ] && return 0
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local ifname=$(uci_get_state network "$_name" ifname "$_name")
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append args "$switch $ifname"
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}
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append_bool() {
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local section="$1"
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local option="$2"
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local value="$3"
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local _loctmp
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config_get_bool _loctmp "$section" "$option" 0
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[ "$_loctmp" -gt 0 ] && append args "$value"
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}
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append_switch() {
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local value="$1"
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local switch="$2"
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append args "$switch $value"
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}
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append_parm() {
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local section="$1"
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local option="$2"
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local switch="$3"
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local _loctmp
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config_get _loctmp "$section" "$option"
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[ -z "$_loctmp" ] && return 0
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append args "$switch $_loctmp"
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}
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babel_filter() {
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local cfg="$1"
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local _loctmp
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local _ignored
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config_get_bool _ignored "$cfg" 'ignore' 0
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[ "$_ignored" -eq 1 ] && return 0
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append args "-C '"
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append_parm "$cfg" 'type' ''
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append_bool "$cfg" 'local' 'local'
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append_parm "$cfg" 'ip' 'ip'
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append_parm "$cfg" 'eq' 'eq'
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append_parm "$cfg" 'le' 'le'
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append_parm "$cfg" 'ge' 'ge'
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append_parm "$cfg" 'neigh' 'neigh'
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append_parm "$cfg" 'id' 'id'
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append_parm "$cfg" 'proto' 'proto'
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append_ifname "$cfg" 'if' 'if'
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append_parm "$cfg" 'action' ''
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append args ' ' "'"
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}
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babel_addif() {
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local cfg="$1"
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local _ignored
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config_get_bool _ignored "$cfg" 'ignore' 0
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[ "$_ignored" -eq 1 ] && return 0
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listen_ifname "$cfg" "-C 'interface"
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append_parm "$cfg" 'wired' 'wired'
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append_parm "$cfg" 'link_quality' 'link-quality'
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append_parm "$cfg" 'split_horizon' 'split-horizon'
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append_parm "$cfg" 'rxcost' 'rxcost'
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append_parm "$cfg" 'hello_interval' 'hello-interval'
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append_parm "$cfg" 'update_interval' 'update-interval'
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append args ' ' "'"
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}
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babel_config() {
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local cfg="$1"
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append_bool "$cfg" 'carrier_sense' '-l'
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append_bool "$cfg" 'assume_wireless' '-w'
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append_bool "$cfg" 'no_split_horizon' '-s'
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append_bool "$cfg" 'keep_unfeasible' '-u'
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append_bool "$cfg" 'random_router_id' '-r'
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append_parm "$cfg" 'multicast_address' '-m'
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append_parm "$cfg" 'port' '-p'
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append_parm "$cfg" 'state_file' '-S'
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append_parm "$cfg" 'hello_interval' '-h'
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append_parm "$cfg" 'wired_hello_interval' '-H'
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append_parm "$cfg" 'diversity' '-z'
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append_parm "$cfg" 'smoothing_half_time' '-M'
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append_parm "$cfg" 'kernel_priority' '-k'
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append_parm "$cfg" 'duplication_priority' '-A'
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append_parm "$cfg" 'debug' '-d'
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append_parm "$cfg" 'local_server' '-g'
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append_parm "$cfg" 'export_table' '-t'
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config_list_foreach "$cfg" 'import_table' append_switch '-T'
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append_parm "$cfg" 'conf_file' '-c'
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append_parm "$cfg" 'log_file' '-L'
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}
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start() {
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mkdir -p /var/lib
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config_load babeld
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unset args
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unset interfaces
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config_foreach babel_config general
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config_foreach babel_addif interface
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config_foreach babel_filter filter
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[ -z "$interfaces" ] && return 0
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eval "/usr/sbin/babeld -D -I $pidfile $args $interfaces"
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}
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stop() {
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[ -f "$pidfile" ] && kill $(cat $pidfile)
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# avoid race-condition on restart: wait for
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# babeld to die for real.
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[ -f "$pidfile" ] && sleep 1
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[ -f "$pidfile" ] && sleep 1
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[ -f "$pidfile" ] && sleep 1
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[ -f "$pidfile" ] && exit 42
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}
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status() {
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[ -f "$pidfile" ] && kill -USR1 $(cat $pidfile)
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}
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