alfred/files/alfred.init

   1 #!/bin/sh /etc/rc.common
   2
   3 #
   4 # This is free software, licensed under the GNU General Public License v2.
   5 # See /LICENSE for more information.
   6 #
   7
   8 START=99
   9 USE_PROCD=1
  10 alfred_args=""
  11 vis_args=""
  12 facters_dir="/etc/alfred"
  13 enable=0
  14 vis_enable=0
  15
  16 wait_for_dir() {
  17         local ifce="$1" dir="$2"
  18
  19         if ! [ -d "$dir" ] ; then
  20                 timeout=30
  21                 echo "waiting $timeout secs for $ifce interface..."
  22                 for i in $(seq $timeout); do
  23                         sleep 1
  24                         [ -d "$dir" ] && break
  25                         if [ $i = $timeout ] ; then
  26                                 echo "$ifce not detected, alfred not starting."
  27                                 return 1
  28                         fi
  29                 done
  30         fi
  31
  32         return 0
  33 }
  34
  35 wait_for_ll_address() {
  36         local iface="$1"
  37         local timeout=30
  38
  39         echo "waiting $timeout secs for $iface address..."
  40         for i in $(seq $timeout); do
  41                 # We look for
  42                 # - the link-local address (starts with fe80)
  43                 # - without tentative flag (bit 0x40 in the flags field; the first char of the fifth field is evaluated)
  44                 # - on interface $iface
  45                 if awk '
  46                         BEGIN { RET=1 }
  47                         $1 ~ /^fe80/ && $5 ~ /^[012389ab]/ && $6 == "'"$iface"'" { RET=0 }
  48                         END { exit RET }
  49                 ' /proc/net/if_inet6; then
  50                         return 0
  51                 fi
  52                 sleep 1
  53         done
  54
  55         echo "$iface address not detected, alfred not starting."
  56         return 1
  57 }
  58
  59 alfred_start() {
  60         local args=""
  61         local section="$1"
  62         local disabled interface mode
  63
  64         # check if section is disabled
  65         config_get_bool disabled "$section" disabled 0
  66         [ $disabled = 0 ] || return 1
  67
  68         args=""
  69
  70         config_get interface "$section" interface
  71         append args "-i $interface"
  72
  73         config_get mode "$section" mode
  74         [ "$mode" = "master" ] && append args "-m"
  75
  76         config_get batmanif "$section" batmanif
  77         append args "-b $batmanif"
  78
  79         if [ "$batmanif" != "none" ]; then
  80                 wait_for_dir "$batmanif" "/sys/devices/virtual/net/$batmanif" || return 1
  81         fi
  82
  83         wait_for_ll_address "$interface"
  84
  85         append alfred_args "$args"
  86         enable=1
  87
  88         config_get_bool start_vis "$section" start_vis 0
  89         if [ "$start_vis" = 1 ] && [ -x /usr/sbin/batadv-vis ]; then
  90                 vis_enable=1
  91                 append vis_args "-i $batmanif -s"
  92         fi
  93
  94         config_get_bool run_facters "$section" run_facters 0
  95
  96         return 0
  97 }
  98
  99 start_service() {
 100         config_load "alfred"
 101         config_foreach alfred_start alfred
 102
 103         [ "$enable" = "0" ] && return 0
 104
 105         procd_open_instance "alfred"
 106         procd_set_param command /usr/sbin/alfred
 107         procd_append_param command ${alfred_args}
 108         procd_close_instance
 109
 110         [ "$vis_enable" = "1" ] && {
 111                 procd_open_instance "batadv-vis"
 112                 procd_set_param command /usr/sbin/batadv-vis
 113                 procd_append_param command ${vis_args}
 114                 procd_close_instance
 115         }
 116
 117         [ "$run_facters" = "1" ] && {
 118                 ( for file in $facters_dir/* ; do [ -x $file ] && $file ; done )
 119                 if ! ( grep -q "for file in $facters_dir/\* ; do " /etc/crontabs/root 2>/dev/null ) ; then
 120                         echo "*/5 * * * * ( for file in $facters_dir/* ; do [ -x \$file ] && \$file ; done )" >> /etc/crontabs/root
 121                         /etc/init.d/cron enable
 122                         /etc/init.d/cron restart
 123                 fi
 124         }
 125 }
 126
 127 service_triggers() {
 128         procd_add_reload_trigger "alfred"
 129 }
 130
 131 stop_service() {
 132         [ -e /etc/crontabs/root ] && {
 133                 sed "\|for file in $facters_dir/\* ; do |d" -i /etc/crontabs/root
 134                 /etc/init.d/cron restart
 135         }
 136 }