oonf-init-scripts/files/oonf_init.sh

   1 #!/bin/sh
   2
   3 . /usr/share/libubox/jshn.sh
   4
   5 oonf_log()
   6 {
   7   logger -s -t ${DAEMON} -p daemon.info "${1}"
   8 }
   9
  10 oonf_get_layer3_device()
  11 {
  12   local interface="${1}"  # e.g. 'mywifi'
  13   local status dev proto
  14   local query="{ \"interface\" : \"${interface}\" }"
  15
  16   status="$( ubus -S call network.interface status "${query}" )" && {
  17     json_load "${status}"
  18     json_get_var 'dev' l3_device
  19     json_get_var 'proto' proto
  20     case "${proto}" in
  21       pppoe)
  22         # TODO: otherwise it segfaults
  23         oonf_log "refusing to add '$interface', because of proto '${proto}'"
  24       ;;
  25       *)
  26         echo "${dev}" # e.g. 'wlan0-1'
  27       ;;
  28     esac
  29   }
  30 }
  31
  32 oonf_add_devices_to_configuration()
  33 {
  34   local i=0
  35   local device_name= section= interface= single_interface=
  36
  37   # make a copy of configuration and
  38   # add a 'name' (physical name) for all
  39   # 'interface-names' (e.g. mywifi)
  40   #
  41   # olsrd2.@interface[2]=interface
  42   # olsrd2.@interface[2].ifname='wan lan wlanadhoc wlanadhocRADIO1'
  43
  44   # /var is in ramdisc/tmpfs
  45   uci export ${DAEMON} >"/var/run/${DAEMON}_dev"
  46
  47   while section="$( uci -q -c /etc/config get "${DAEMON}.@[${i}]" )"; do {
  48     echo "section: ${section}"
  49
  50     interface="$( uci -q -c /etc/config get "${DAEMON}.@[${i}].ifname" )" || {
  51       i=$(( i + 1 ))
  52       continue
  53     }
  54
  55     case "$( uci -q get "${DAEMON}.@[${i}].ignore" )" in
  56       1|on|true|enabled|yes)
  57         oonf_log "removing/ignore section '$section'"
  58         uci -q -c /var/run delete "${DAEMON}_dev.@[${j}]"
  59         i=$(( i + 1 ))
  60
  61         continue
  62       ;;
  63     esac
  64
  65     for single_interface in ${interface}; do {
  66       device_name="$( oonf_get_layer3_device "${single_interface}" )"
  67
  68       echo "Interface: ${single_interface} = ${device_name}"
  69
  70       if [ ! -z "${device_name}" ]
  71       then
  72         # add option 'name' for 'ifname' (e.g. 'mywifi')
  73         uci -q -c /var/run add_list "${DAEMON}_dev.@[${i}].name=${device_name}"
  74       fi
  75     } done
  76     i=$(( $i + 1 ))
  77   } done
  78
  79   uci -q -c /var/run commit "${DAEMON}_dev"
  80
  81   oonf_log "wrote '/var/run/${DAEMON}_dev'"
  82 }
  83
  84 oonf_reread_config()
  85 {
  86   local pid
  87   local pidfile="/var/run/${DAEMON}.pid"
  88
  89   if   [ -e "${pidfile}" ]; then
  90     read pid <"${pidfile}"
  91   elif pidfile="$( uci -q get "${DAEMON}.@global[0].pidfile" )"; then
  92     read pid <"${pidfile}"
  93   fi
  94
  95   # if empty, ask kernel
  96   pid="${pid:-$( pidof ${DAEMON} )}"
  97
  98   [ -n "${pid}" ] && kill -SIGHUP ${pid}
  99 }
 100
 101 start()
 102 {
 103   oonf_add_devices_to_configuration
 104
 105   # produce coredumps
 106   ulimit -c unlimited
 107
 108   service_start /usr/sbin/${DAEMON} --set global.fork=true --load uci:///var/run/${DAEMON}_dev
 109 }
 110
 111 stop()
 112 {
 113   service_stop /usr/sbin/${DAEMON}
 114 }
 115
 116 reload()
 117 {
 118   oonf_add_devices_to_configuration
 119   oonf_reread_config
 120 }