alfred/files/alfred.init

   1 #!/bin/sh /etc/rc.common
   2
   3 #
   4 # Copyright (C) 2013 OpenWrt.org
   5 #
   6 # This is free software, licensed under the GNU General Public License v2.
   7 # See /LICENSE for more information.
   8 #
   9
  10 START=99
  11 STOP=99
  12 alfred_args=""
  13 vis_args=""
  14 facters_dir="/etc/alfred"
  15 pid_file_alfred="/var/run/alfred.pid"
  16 pid_file_vis="/var/run/batadv-vis.pid"
  17 enable=0
  18 vis_enable=0
  19 SERVICE_DAEMONIZE=1
  20 SERVICE_WRITE_PID=1
  21
  22 wait_for_dir()
  23 {
  24         local ifce="$1" dir="$2"
  25
  26         if ! [ -d "$dir" ] ; then
  27                 timeout=30
  28                 echo "${initscript}: waiting $timeout secs for $ifce interface..."
  29                 for i in $(seq $timeout); do
  30                         sleep 1
  31                         [ -d "$dir" ] && break
  32                         if [ $i == $timeout ] ; then
  33                                 echo "${initscript}: $ifce not detected, alfred not starting."
  34                                 exit 1
  35                         fi
  36                 done
  37         fi
  38 }
  39
  40 wait_for_ll_address()
  41 {
  42         local iface="$1"
  43         local timeout=30
  44
  45         echo "${initscript}: waiting $timeout secs for $iface address..."
  46         for i in $(seq $timeout); do
  47                 # We look for
  48                 # - the link-local address (starts with fe80)
  49                 # - without tentative flag (bit 0x40 in the flags field; the first char of the flags field begins 38 columns after the fe80 prefix
  50                 # - on interface $iface
  51                 if awk '
  52                         BEGIN { RET=1 }
  53                         /^fe80.{37} [012389ab]/ { if ($6 == "'"$iface"'") RET=0 }
  54                         END { exit RET }
  55                 ' /proc/net/if_inet6; then
  56                         return
  57                 fi
  58                 sleep 1
  59         done
  60
  61         echo "${initscript}: $iface address not detected, alfred not starting."
  62         exit 1
  63 }
  64
  65 alfred_start()
  66 {
  67         local args=""
  68         local section="$1"
  69         local disabled interface mode
  70
  71         # check if section is disabled
  72         config_get_bool disabled "$section" disabled 0
  73         [ $disabled = 0 ] || return 1
  74
  75         args=""
  76
  77         config_get interface "$section" interface
  78         append args "-i $interface"
  79
  80         config_get mode "$section" mode
  81         [ "$mode" = "master" ] && append args "-m"
  82
  83         config_get batmanif "$section" batmanif
  84         append args "-b $batmanif"
  85
  86         if [ "$batmanif" != "none" ]; then
  87                 wait_for_dir "$batmanif" "/sys/class/net/$batmanif/mesh"
  88         fi
  89
  90         wait_for_ll_address "$interface"
  91
  92         append alfred_args "$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()
 107 {
 108         config_load "alfred"
 109         config_foreach alfred_start alfred
 110
 111         if [ "$enable" = "0" ]; then
 112                 exit 0
 113         fi
 114
 115         echo "${initscript}: starting alfred"
 116         SERVICE_PID_FILE="$pid_file_alfred"
 117         service_start /usr/sbin/alfred ${alfred_args}
 118
 119         if [ "$vis_enable" = "1" ]; then
 120                 echo "${initscript}: starting batadv-vis"
 121                 SERVICE_PID_FILE="$pid_file_vis"
 122                 service_start /usr/sbin/batadv-vis ${vis_args}
 123         fi
 124
 125         if [ "$run_facters" = "1" ]; then
 126                 ( for file in $facters_dir/* ; do [ -x $file ] && $file ; done )
 127                 if ! ( grep -q "for file in $facters_dir/\* ; do " /etc/crontabs/root 2>/dev/null ) ; then
 128                         echo "*/5 * * * * ( for file in $facters_dir/* ; do [ -x \$file ] && \$file ; done )" >> /etc/crontabs/root
 129                         /etc/init.d/cron enable
 130                         /etc/init.d/cron restart
 131                 fi
 132         fi
 133 }
 134
 135 stop()
 136 {
 137         SERVICE_PID_FILE="$pid_file_alfred"
 138         service_stop /usr/sbin/alfred
 139         SERVICE_PID_FILE="$pid_file_vis"
 140         [ -x /usr/sbin/batadv-vis ] && service_stop /usr/sbin/batadv-vis
 141         sed "\|for file in $facters_dir/\* ; do |d" -i /etc/crontabs/root
 142         /etc/init.d/cron restart
 143 }