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         [ "$proto" = "relay" ] || return 0
  43
  44         config_get_bool disabled "$cfg" disabled 0
  45         [ "$disabled" -gt 0 ] && return 0
  46
  47         SERVICE_DAEMONIZE=1
  48         SERVICE_WRITE_PID=1
  49         SERVICE_PID_FILE="/var/run/relay-$cfg.pid"
  50         [ -f "$SERVICE_PID_FILE" ] && {
  51                 if grep -q relayd "/proc/$(cat $SERVICE_PID_FILE)/cmdline"; then
  52                         return 0
  53                 else
  54                         rm -f "$SERVICE_PID_FILE"
  55                 fi
  56         }
  57
  58         procd_open_instance
  59         procd_set_param command "$PROG"
  60
  61         local net networks
  62         config_get networks "$cfg" network
  63         for net in $networks; do
  64                 resolve_network "$net" || {
  65                         return 1
  66                 }
  67         done
  68
  69         local ifn ifnames
  70         config_get ifnames "$cfg" ifname
  71         for ifn in $ifnames; do
  72                 resolve_ifname "$ifn"
  73         done
  74
  75         local ipaddr
  76         config_get ipaddr "$cfg" ipaddr
  77         [ -n "$ipaddr" ] && procd_append_param command -L "$ipaddr"
  78
  79         local gateway
  80         config_get gateway "$cfg" gateway
  81         [ -n "$gateway" ] && procd_append_param command -G "$gateway"
  82
  83         local expiry # = 30
  84         config_get expiry "$cfg" expiry
  85         [ -n "$expiry" ] && procd_append_param command "$expiry"
  86
  87         local retry # = 5
  88         config_get retry "$cfg" retry
  89         [ -n "$retry" ] && procd_append_param command -p "$retry"
  90
  91         local table # = 16800
  92         config_get table "$cfg" table
  93         [ -n "$table" ] && procd_append_param command -T "$table"
  94
  95         local fwd_bcast # = 1
  96         config_get_bool fwd_bcast "$cfg" forward_bcast 1
  97         [ $fwd_bcast -eq 1 ] && procd_append_param command "-B"
  98
  99         local fwd_dhcp # = 1
 100         config_get_bool fwd_dhcp "$cfg" forward_dhcp 1
 101         [ $fwd_dhcp -eq 1 ] && procd_append_param command "-D"
 102
 103         procd_close_instance
 104 }
 105
 106 service_triggers()
 107 {
 108         procd_add_reload_trigger "network"
 109 }
 110
 111 start_service() {
 112         include /lib/network
 113         config_load network
 114         config_foreach start_relay interface
 115 }