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 append_interface()
  58 {
  59         append "interfaces" "$1" ","
  60         wait_for_ll_address "$1"
  61 }
  62
  63 alfred_start() {
  64         local args=""
  65         local section="$1"
  66         local disabled interface mode
  67         local interfaces
  68
  69         # check if section is disabled
  70         config_get_bool disabled "$section" disabled 0
  71         [ $disabled = 0 ] || return 1
  72
  73         args=""
  74
  75         config_list_foreach "$section" "interface" append_interface
  76         if [ -z "$interfaces" ]; then
  77                 config_get interface "$section" interface
  78                 append_interface "$interface"
  79         fi
  80         append args "-i $interfaces"
  81
  82         config_get mode "$section" mode
  83         [ "$mode" = "master" ] && append args "-m"
  84
  85         config_get batmanif "$section" batmanif
  86         append args "-b $batmanif"
  87
  88         if [ "$batmanif" != "none" ]; then
  89                 wait_for_dir "$batmanif" "/sys/devices/virtual/net/$batmanif"
  90         fi
  91
  92         append alfred_args "$args"
  93         enable=1
  94
  95         config_get_bool start_vis "$section" start_vis 0
  96         if [ "$start_vis" = 1 ] && [ -x /usr/sbin/batadv-vis ]; then
  97                 vis_enable=1
  98                 append vis_args "-i $batmanif -s"
  99         fi
 100
 101         config_get_bool run_facters "$section" run_facters 0
 102
 103         return 0
 104 }
 105
 106 start_service() {
 107         config_load "alfred"
 108         config_foreach alfred_start alfred
 109
 110         [ "$enable" = "0" ] && exit 0
 111
 112         procd_open_instance "alfred"
 113         procd_set_param command /usr/sbin/alfred
 114         procd_append_param command ${alfred_args}
 115         procd_close_instance
 116
 117         [ "$vis_enable" = "1" ] && {
 118                 procd_open_instance "batadv-vis"
 119                 procd_set_param command /usr/sbin/batadv-vis
 120                 procd_append_param command ${vis_args}
 121                 procd_close_instance
 122         }
 123
 124         [ "$run_facters" = "1" ] && {
 125                 ( for file in $facters_dir/* ; do [ -x $file ] && $file ; done )
 126                 if ! ( grep -q "for file in $facters_dir/\* ; do " /etc/crontabs/root 2>/dev/null ) ; then
 127                         echo "*/5 * * * * ( for file in $facters_dir/* ; do [ -x \$file ] && \$file ; done )" >> /etc/crontabs/root
 128                         /etc/init.d/cron enable
 129                         /etc/init.d/cron restart
 130                 fi
 131         }
 132 }
 133
 134 service_triggers() {
 135         procd_add_reload_trigger "alfred"
 136 }
 137
 138 stop_service() {
 139         [ -e /etc/crontabs/root ] && {
 140                 sed "\|for file in $facters_dir/\* ; do |d" -i /etc/crontabs/root
 141                 /etc/init.d/cron restart
 142         }
 143 }