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   mkdir -p /var/etc
  46   uci export ${DAEMON} >"/var/etc/${DAEMON}_dev"
  47
  48   while section="$( uci -q -c /etc/config get "${DAEMON}.@[${i}]" )"; do {
  49     echo "section: ${section}"
  50
  51     interface="$( uci -q -c /etc/config get "${DAEMON}.@[${i}].ifname" )" || {
  52       i=$(( i + 1 ))
  53       continue
  54     }
  55
  56     case "$( uci -q get "${DAEMON}.@[${i}].ignore" )" in
  57       1|on|true|enabled|yes)
  58         oonf_log "removing/ignore section '$section'"
  59         uci -q -c /var/etc delete "${DAEMON}_dev.@[${j}]"
  60         i=$(( i + 1 ))
  61
  62         continue
  63       ;;
  64     esac
  65
  66     for single_interface in ${interface}; do {
  67       device_name="$( oonf_get_layer3_device "${single_interface}" )"
  68
  69       echo "Interface: ${single_interface} = ${device_name}"
  70
  71       if [ ! -z "${device_name}" ]
  72       then
  73         # add option 'name' for 'ifname' (e.g. 'mywifi')
  74         uci -q -c /var/etc add_list "${DAEMON}_dev.@[${i}].name=${device_name}"
  75       fi
  76     } done
  77     i=$(( $i + 1 ))
  78   } done
  79
  80   uci -q -c /var/etc commit "${DAEMON}_dev"
  81
  82   oonf_log "wrote '/var/etc/${DAEMON}_dev'"
  83 }
  84
  85 oonf_reread_config()
  86 {
  87   local pid
  88   local pidfile="/var/run/${DAEMON}.pid"
  89
  90   if   [ -e "${pidfile}" ]; then
  91     read pid <"${pidfile}"
  92   elif pidfile="$( uci -q get "${DAEMON}.@global[0].pidfile" )"; then
  93     read pid <"${pidfile}"
  94   fi
  95
  96   # if empty, ask kernel
  97   pid="${pid:-$( pidof ${DAEMON} )}"
  98
  99   [ -n "${pid}" ] && kill -SIGHUP ${pid}
 100 }
 101
 102 start()
 103 {
 104   oonf_add_devices_to_configuration
 105
 106   # produce coredumps
 107   ulimit -c unlimited
 108
 109   service_start /usr/sbin/${DAEMON} --set global.fork=true --load uci:///var/etc/${DAEMON}_dev
 110 }
 111
 112 stop()
 113 {
 114   service_stop /usr/sbin/${DAEMON}
 115 }
 116
 117 reload()
 118 {
 119   oonf_add_devices_to_configuration
 120   oonf_reread_config
 121 }