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

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (c) 2011-2012 OpenWrt.org
   3
   4 START=80
   5
   6 USE_PROCD=1
   7 PROG=/usr/sbin/relayd
   8
   9 resolve_ifname() {
  10         grep -qs "^ *$1:" /proc/net/dev && {
  11                 procd_append_param command -I "$1"
  12                 append ifaces "$1"
  13         }
  14 }
  15
  16 resolve_network() {
  17         local ifn
  18         fixup_interface "$1"
  19         config_get ifn "$1" ifname
  20         [ -z "$ifn" ] && return 1
  21         resolve_ifname "$ifn"
  22 }
  23
  24 start_relay() {
  25         local cfg="$1"
  26
  27         local args=""
  28         local ifaces=""
  29
  30         config_get proto "$cfg" proto
  31         [[ "$proto" == relay ]] || return 0
  32
  33         SERVICE_DAEMONIZE=1
  34         SERVICE_WRITE_PID=1
  35         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  36         [ -f "$SERVICE_PID_FILE" ] && {
  37                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  38                         return 0
  39                 else
  40                         rm -f "$SERVICE_PID_FILE"
  41                 fi
  42         }
  43
  44         procd_open_instance
  45         procd_set_param command "$PROG"
  46
  47         local net networks
  48         config_get networks "$cfg" network
  49         for net in $networks; do
  50                 resolve_network "$net" || {
  51                         return 1
  52                 }
  53         done
  54
  55         local ifn ifnames
  56         config_get ifnames "$cfg" ifname
  57         for ifn in $ifnames; do
  58                 resolve_ifname "$ifn"
  59         done
  60
  61         local ipaddr
  62         config_get ipaddr "$cfg" ipaddr
  63         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  64
  65         local gateway
  66         config_get gateway "$cfg" gateway
  67         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  68
  69         local expiry # = 30
  70         config_get expiry "$cfg" expiry
  71         [ -n "$expiry" ] && procd_append_param command "$expiry"
  72
  73         local retry # = 5
  74         config_get retry "$cfg" retry
  75         [ -n "$retry" ] && procd_append_param command -p "$retry"
  76
  77         local table # = 16800
  78         config_get table "$cfg" table
  79         [ -n "$table" ] && procd_append_param command -T "$table"
  80
  81         local fwd_bcast # = 1
  82         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  83         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  84
  85         local fwd_dhcp # = 1
  86         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  87         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
  88
  89         procd_close_instance
  90 }
  91
  92 service_triggers()
  93 {
  94         procd_add_reload_trigger "network"
  95 }
  96
  97 start_service() {
  98         include /lib/network
  99         config_load network
 100         config_foreach start_relay interface
 101 }