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
  20 resolve_ifname() {
  21         grep -qs "^ *$1:" /proc/net/dev && {
  22                 procd_append_param command -I "$1"
  23                 append ifaces "$1"
  24         }
  25 }
  26
  27 resolve_network() {
  28         local ifn
  29         fixup_interface "$1"
  30         config_get ifn "$1" ifname
  31         [ -z "$ifn" ] && return 1
  32         resolve_ifname "$ifn"
  33 }
  34
  35 start_relay() {
  36         local cfg="$1"
  37
  38         local args=""
  39         local ifaces=""
  40
  41         config_get proto "$cfg" proto
  42         [[ "$proto" == relay ]] || return 0
  43
  44         SERVICE_DAEMONIZE=1
  45         SERVICE_WRITE_PID=1
  46         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  47         [ -f "$SERVICE_PID_FILE" ] && {
  48                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  49                         return 0
  50                 else
  51                         rm -f "$SERVICE_PID_FILE"
  52                 fi
  53         }
  54
  55         procd_open_instance
  56         procd_set_param command "$PROG"
  57
  58         local net networks
  59         config_get networks "$cfg" network
  60         for net in $networks; do
  61                 resolve_network "$net" || {
  62                         return 1
  63                 }
  64         done
  65
  66         local ifn ifnames
  67         config_get ifnames "$cfg" ifname
  68         for ifn in $ifnames; do
  69                 resolve_ifname "$ifn"
  70         done
  71
  72         local ipaddr
  73         config_get ipaddr "$cfg" ipaddr
  74         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  75
  76         local gateway
  77         config_get gateway "$cfg" gateway
  78         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  79
  80         local expiry # = 30
  81         config_get expiry "$cfg" expiry
  82         [ -n "$expiry" ] && procd_append_param command "$expiry"
  83
  84         local retry # = 5
  85         config_get retry "$cfg" retry
  86         [ -n "$retry" ] && procd_append_param command -p "$retry"
  87
  88         local table # = 16800
  89         config_get table "$cfg" table
  90         [ -n "$table" ] && procd_append_param command -T "$table"
  91
  92         local fwd_bcast # = 1
  93         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  94         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  95
  96         local fwd_dhcp # = 1
  97         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
  98         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
  99
 100         procd_close_instance
 101 }
 102
 103 service_triggers()
 104 {
 105         procd_add_reload_trigger "network"
 106 }
 107
 108 start_service() {
 109         include /lib/network
 110         config_load network
 111         config_foreach start_relay interface
 112 }