net/vrrpd/files/vrrpd.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2006-2011 OpenWrt.org
   3
   4 START=50
   5
   6 append_list_item() {
   7         local val="$1"
   8         local var="$2"
   9         append "$var" "$val"
  10 }
  11
  12 append_bool() {
  13         local var="$1"
  14         local section="$2"
  15         local option="$3"
  16         local value="$4"
  17         local _val
  18         config_get_bool _val "$section" "$option" 0
  19         [ $_val -gt 0 ] && append "$var" "$value"
  20 }
  21
  22 append_string() {
  23         local var="$1"
  24         local section="$2"
  25         local option="$3"
  26         local val="$4"
  27         local _val
  28         config_get _val "$section" "$option"
  29         [ -n "$_val" ] && append "$var" "$val $_val"
  30 }
  31
  32 config_get_ifname() {
  33         local var="$1"
  34         local section="$2"
  35         local option="$3"
  36         local val="$4"
  37         local _val
  38         config_get _val "$section" "$option" "$val"
  39         config_get "$var" "$_val" 'ifname' "$_val"
  40 }
  41
  42 section_enabled() {
  43         local enabled
  44         config_get_bool enabled "$1" 'enabled' 0
  45         [ $enabled -gt 0 ]
  46 }
  47
  48 start_instance() {
  49         local section="$1"
  50         local id
  51         local if
  52         local args
  53
  54         section_enabled "$section" || return 1
  55
  56         config_get id "$section" 'virtual_id' '1'
  57         config_get_ifname if "$section" 'interface' 'lan'
  58
  59         args="-v $id -i $if"
  60         append_string args "$section" 'delay' '-d'
  61         append_string args "$section" 'priority' '-p'
  62         append_bool args "$section" 'no_virtual_mac' '-n'
  63         config_list_foreach "$section" 'virtual_ip' append_list_item args
  64
  65         SERVICE_PID_FILE="/var/run/vrrpd_${if}_${id}.pid"
  66         service_start /usr/sbin/vrrpd $args
  67 }
  68
  69 stop_instance() {
  70         local section="$1"
  71         local id
  72         local if
  73
  74         section_enabled "$section" || return 1
  75
  76         config_get id "$section" 'virtual_id' '1'
  77         config_get_ifname if "$section" 'interface' 'lan'
  78
  79         SERVICE_PID_FILE="/var/run/vrrpd_${if}_${id}.pid"
  80         service_stop /usr/sbin/vrrpd
  81 }
  82
  83 start() {
  84         include /lib/network
  85         scan_interfaces
  86         config_load 'vrrpd'
  87         config_foreach start_instance 'vrrpd'
  88 }
  89
  90 stop() {
  91         include /lib/network
  92         scan_interfaces
  93         config_load 'vrrpd'
  94         config_foreach stop_instance 'vrrpd'
  95 }