package/network/services/relayd/files/relay.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (c) 2011-2012 OpenWrt.org
   3 START=80
   4
   5 resolve_ifname() {
   6         grep -qs "^ *$1:" /proc/net/dev && {
   7                 append args "-I $1"
   8                 append ifaces "$1"
   9         }
  10 }
  11
  12 resolve_network() {
  13         local ifn
  14         fixup_interface "$1"
  15         config_get ifn "$1" ifname
  16         [ -z "$ifn" ] && return 1
  17         resolve_ifname "$ifn"
  18 }
  19
  20 start_relay() {
  21         local cfg="$1"
  22
  23         local args=""
  24         local ifaces=""
  25
  26         config_get proto "$cfg" proto
  27         [[ "$proto" == relay ]] || return 0
  28
  29         SERVICE_DAEMONIZE=1
  30         SERVICE_WRITE_PID=1
  31         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  32         [ -f "$SERVICE_PID_FILE" ] && {
  33                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  34                         return 0
  35                 else
  36                         rm -f "$SERVICE_PID_FILE"
  37                 fi
  38         }
  39
  40         local net networks
  41         config_get networks "$cfg" network
  42         for net in $networks; do
  43                 resolve_network "$net" || {
  44                         return 1
  45                 }
  46         done
  47
  48         local ifn ifnames
  49         config_get ifnames "$cfg" ifname
  50         for ifn in $ifnames; do
  51                 resolve_ifname "$ifn"
  52         done
  53
  54         local ipaddr
  55         config_get ipaddr "$cfg" ipaddr
  56         [ -n "$ipaddr" ] && append args "-L $ipaddr"
  57
  58         local gateway
  59         config_get gateway "$cfg" gateway
  60         [ -n "$gateway" ] && append args "-G $gateway"
  61
  62         local expiry # = 30
  63         config_get expiry "$cfg" expiry
  64         [ -n "$expiry" ] && append args "-t $expiry"
  65
  66         local retry # = 5
  67         config_get retry "$cfg" retry
  68         [ -n "$retry" ] && append args "-p $retry"
  69
  70         local table # = 16800
  71         config_get table "$cfg" table
  72         [ -n "$table" ] && append args "-T $table"
  73
  74         local fwd_bcast # = 1
  75         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  76         [ $fwd_bcast -eq 1 ] && append args "-B"
  77
  78         local fwd_dhcp # = 1
  79         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  80         [ $fwd_dhcp -eq 1 ] && append args "-D"
  81
  82         service_start /usr/sbin/relayd $args
  83 }
  84
  85 stop() {
  86         for pid in /var/run/relay-*.pid; do
  87                 SERVICE_PID_FILE="$pid"
  88                 service_stop /usr/sbin/relayd
  89                 rm -f "$SERVICE_PID_FILE"
  90         done
  91 }
  92
  93 start() {
  94         include /lib/network
  95         config_load network
  96         config_foreach start_relay interface
  97 }