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