.scripts/network

   1 #!/usr/bin/env bash
   2
   3 # TODO if no internet
   4
   5 wifi_icon="直"
   6 eth_icon=""
   7 other_icon="禍"
   8 bpm=1048576 # 1024*1024
   9 up_interfaces=$(ifconfig | grep "UP,BROADCAST,RUNNING" |\
  10         sed 's/://' | awk '{print $1}')
  11 up_type=
  12 ssid_strength=
  13
  14 check_type(){
  15         case $(uname) in
  16                 Linux) case $1 in
  17                                 wlp*) up_type=wlan  ;;
  18                                 enp*) up_type=eth   ;;
  19                                 *)    up_type=other ;;
  20                         esac ;;
  21                 OpenBSD) up_type=$(ifconfig $1 | grep "groups" | awk '{print $2}') ;;
  22         esac
  23 }
  24
  25 get_ssid_strength(){
  26         if [[ "$up_type"  == "wlan" ]]; then
  27                 case $(uname) in
  28                         Linux)
  29                         wifi_ssid=$(iw dev $1 link | grep SSID | cut -d " " -f 2-)
  30                         wifi_strength=$(grep "^\s*w" /proc/net/wireless |\
  31                         awk '{print int($3 * 100 / 70) "%"}')
  32                         ssid_strength='\n'$wifi_ssid' '$wifi_strength;;
  33
  34                         OpenBSD) ssid_strength=$(echo "$int" | grep join |\
  35                                 awk '{print "\n"$3"\t"int((-0.0154*$8*$8)-(0.3794*$8)+98.182)"%"}');;
  36                         esac
  37                 else
  38                         ssid_strength=
  39         fi
  40
  41 }
  42
  43 print_status(){
  44         for each_interface in $up_interfaces; do
  45 #               case $(uname) in
  46 #                       Linux) total_in=$(
  47 #                               cat /sys/class/net/$each_interface/statistics/rx_bytes);;
  48 #                       OpenBSD) total_in=$(netstat -b -I $each_interface |\
  49 #                               egrep "[a-z0-9]{2}:" | awk '{print $5}');;
  50 #               esac
  51                 check_type $each_interface
  52                 case $up_type in
  53                         egress) icon=$other_icon ;;
  54                         wlan)   icon=$wifi_icon  ;;
  55                         eth)    icon=$eth_icon   ;;
  56                         *)      icon=$other_icon ;;
  57                 esac
  58 #               in_sum=$(($total_in / $bpm))
  59 #               result+=$icon' '$in_sum' '
  60                 result+=$icon' '
  61         done
  62         echo $result
  63 }
  64
  65 notify_status(){
  66         for each_interface in $up_interfaces; do
  67                 int=$(ifconfig $each_interface)
  68                 ip=$(echo "$int" | grep 'inet ' | awk '{print $2}')
  69                 check_type $each_interface
  70                 get_ssid_strength $each_interface
  71                 result+="$up_type\t($each_interface)$ssid_strength\n$ip\n\n"
  72         done
  73         notify-send "Network details" "$result"
  74 }
  75
  76 print_ips(){
  77         [ "$(uname)" = "Linux" ] && ifconfig | grep -A1 "$up_interfaces" | awk '/inet/ {print $2}'
  78         [ "$(uname)" = "OpenBSD" ] && ifconfig | grep -A7 "$up_interfaces" | awk '/inet/ {print $2}'
  79 }
  80
  81 case $1 in
  82         notify) notify_status ;;
  83         ips)    print_ips     ;;
  84         *)      print_status  ;;
  85 esac