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