usr/bin/monitor_luftinternet

   1 #!/bin/bash
   2
   3 while : ; do
   4 setterm -inversescreen off
   5 #0. fetch data:
   6   #1. lsusb
   7     dispchar a
   8     usb=$(lsusb)
   9   #2. ps
  10     dispchar b
  11     proc=$(ps ax)
  12
  13 #1. check hardware
  14   #1.1 check umts modem
  15   echo -n "UMTS: "
  16     dispchar c
  17     if [[ $(echo "$usb" | grep "12d1:1506") ]] ; then
  18       echo -n "OK"
  19     else
  20       echo "Not Found"
  21       setterm -inversescreen
  22       echo -e "\n\n*** Replug Modem ***\n\n"
  23 disp "UMTS Fatal Error" #Modem Error: fatal!
  24       sleep 5 #read -p "press enter" #while : ; do; done #halt exec
  25     fi
  26     if [[ $(echo "$usb" | grep "12d1:14fe") ]] ; then
  27       echo -n "wrong mode"
  28       usb_modeswitch -v 12d1 -p 14fe -V 12d1 -P 1506 -M
  29 '55534243123456780000000000000011062000000100000000000000000000'
  30 disp "UMTS Modeswitch" #Modem Warning: mode
  31       continue
  32     fi
  33   #1.2 check wlan stick
  34   echo -ne "\nWLAN: "
  35     dispchar d
  36     if [[ $(echo "$usb" | grep "0cf3:9271") ]] ; then
  37       echo -n "OK"
  38     else
  39       echo "error"
  40       setterm -inversescreen
  41       echo -e "\n\n*** Replug WiFi ***\n\n"
  42 disp "WiFi Fatal Error" #WiFi Error: fatal!
  43       sleep 5 #read -p "press enter" #while : ; do; done #halt exec
  44     fi
  45 #2. check services
  46   #2.1 check hostapd
  47   echo -ne "\nhostapd: "
  48     dispchar e
  49     if [[ $(echo "$proc" | grep "hostapd" | grep -v "grep") ]] ; then
  50       echo -n "OK"
  51     else
  52       echo -n "restarting"
  53       #hostpad /etc/hostapd.conf &
  54       service hostapd restart
  55 disp "hostapd restart" #Service warning: hostapd
  56       continue
  57     fi
  58   #2.2 check dnsmasq
  59   echo -ne "\ndnsmasq: "
  60     dispchar f
  61     if [[ $(echo "$proc" | grep "dnsmasq" | grep -v "grep") ]] ; then
  62       echo -n "OK"
  63     else
  64       echo -n "restarting"
  65       service dnsmasq restart
  66 disp "dnsmasq restart" #Service warning: dnsmasq
  67       continue
  68     fi
  69   #2.3 check wvdial
  70   echo -ne "\nwvdial: "
  71     dispchar g
  72     if [[ $(echo "$proc" | grep "wvdial" | grep -v "grep") ]] ; then
  73       echo -n "OK"
  74     else
  75       echo -n "restarting"
  76       killall dial
  77       killall wvdial
  78       #killall modem-manager
  79       dial & #wvdial &
  80 disp "wvdial restart" #Service warning: wvdial
  81       continue
  82     fi
  83 #3. check conncection
  84   #3.1 check ping
  85   echo -ne "\nPING: "
  86     dispchar h
  87     if [[ $(ping google.com -c 4 -i 0.2) ]] ; then
  88       echo -n "OK"
  89       #3.1-2 check http
  90       echo -ne "\nWGET: "
  91       dispchar i
  92         wget -q --tries=3 --timeout=5 http://google.com/generate_204 -O - &>/dev/null
  93         if [[ $? -eq 0 ]] ; then
  94           echo -n "OK"
  95         #4 OK, get client list
  96           clients=$(iw dev wlan0 station dump|grep Station|wc -l)
  97           echo "\nClients: $clients"
  98 disp "Luftinternet $clients"
  99 #disp "Luftinternet  :)"
 100 #disp "Luftinternet $(iw dev wlan0 station dump|grep Station|wc -l)"
 101         else
 102           echo "Unknown Error"
 103 disp "wget error unknw" #Unknown Error: wget!
 104         fi
 105     else
 106       echo "ping error"
 107 disp "ping error unknw" #ping error
 108       fi
 109
 110 echo -ne "\n\n"
 111
 112 #break
 113 dispchar +
 114 dispprogress #sleep 10 #dispprogress is a python script that displays a cursor and waits approx 8sec
 115 done
 116