package/network/services/relayd/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 validate_proto_relayd()
  10 {
  11         uci_validate_section network "interface" "${1}" \
  12                 'network:list(string)' \
  13                 'expiry:uinteger:30' \
  14                 'retry:uinteger:5' \
  15                 'table:range(0, 65535):16800' \
  16                 'forward_bcast:bool:1' \
  17                 'forward_dhcp:bool:1'
  18
  19         return $?
  20 }
  21
  22 resolve_ifname() {
  23         grep -qs "^ *$1:" /proc/net/dev && {
  24                 procd_append_param command -I "$1"
  25                 append ifaces "$1"
  26         }
  27 }
  28
  29 resolve_network() {
  30         local ifn
  31         fixup_interface "$1"
  32         config_get ifn "$1" ifname
  33         [ -z "$ifn" ] && return 1
  34         resolve_ifname "$ifn"
  35 }
  36
  37 start_relay() {
  38         local cfg="$1"
  39
  40         local args=""
  41         local ifaces=""
  42
  43         config_get proto "$cfg" proto
  44         [[ "$proto" == relay ]] || return 0
  45
  46         SERVICE_DAEMONIZE=1
  47         SERVICE_WRITE_PID=1
  48         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  49         [ -f "$SERVICE_PID_FILE" ] && {
  50                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  51                         return 0
  52                 else
  53                         rm -f "$SERVICE_PID_FILE"
  54                 fi
  55         }
  56
  57         procd_open_instance
  58         procd_set_param command "$PROG"
  59
  60         local net networks
  61         config_get networks "$cfg" network
  62         for net in $networks; do
  63                 resolve_network "$net" || {
  64                         return 1
  65                 }
  66         done
  67
  68         local ifn ifnames
  69         config_get ifnames "$cfg" ifname
  70         for ifn in $ifnames; do
  71                 resolve_ifname "$ifn"
  72         done
  73
  74         local ipaddr
  75         config_get ipaddr "$cfg" ipaddr
  76         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  77
  78         local gateway
  79         config_get gateway "$cfg" gateway
  80         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  81
  82         local expiry # = 30
  83         config_get expiry "$cfg" expiry
  84         [ -n "$expiry" ] && procd_append_param command "$expiry"
  85
  86         local retry # = 5
  87         config_get retry "$cfg" retry
  88         [ -n "$retry" ] && procd_append_param command -p "$retry"
  89
  90         local table # = 16800
  91         config_get table "$cfg" table
  92         [ -n "$table" ] && procd_append_param command -T "$table"
  93
  94         local fwd_bcast # = 1
  95         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  96         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  97
  98         local fwd_dhcp # = 1
  99         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
 100         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
 101
 102         procd_close_instance
 103 }
 104
 105 service_triggers()
 106 {
 107         procd_add_reload_trigger "network"
 108 }
 109
 110 start_service() {
 111         include /lib/network
 112         config_load network
 113         config_foreach start_relay interface
 114 }