#!/bin/sh
# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
# License; GPL v3
SCRIPT_VERSION="30"
test -f /tmp/started || exit
#Get the configuration from the uci configuration file
#If it does not exists, then get it from a normal bash file with variables.
if [ -f /etc/config/nodewatcher ];then
SCRIPT_ERROR_LEVEL=`uci get nodewatcher.@script[0].error_level`
SCRIPT_LOGFILE=`uci get nodewatcher.@script[0].logfile`
SCRIPT_DATA_FILE=`uci get nodewatcher.@script[0].data_file`
MESH_INTERFACE=`uci get nodewatcher.@network[0].mesh_interface`
CLIENT_INTERFACES=`uci get nodewatcher.@network[0].client_interfaces`
else
. `dirname $0`/nodewatcher_config
fi
if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
err() {
echo $1 >> $SCRIPT_LOGFILE
}
else
err() {
:
}
fi
#this method checks id the logfile has bekome too big and deletes the first X lines
delete_log() {
if [ -f $SCRIPT_LOGFILE ]; then
if [ `ls -la $SCRIPT_LOGFILE | awk '{ print $5 }'` -gt "6000" ]; then
sed -i '1,60d' $SCRIPT_LOGFILE
err "`date`: Logfile has been made smaller"
fi
fi
}
#this method generates the crawl data xml file that is beeing fetched by netmon
#and provided by a small local httpd
crawl() {
#Get system data from other locations
err "`date`: Collecting basic system status data"
hostname="$(cat /proc/sys/kernel/hostname)"
uptime=$(awk '{ printf ""$1""$2"" }' /proc/uptime)
memory=$(awk '
/^MemTotal/ { printf ""$2"" }
/^Cached:/ { printf ""$2"" }
/^Buffers/ { printf ""$2"" }
/^MemFree/ { printf ""$2"" }
' /proc/meminfo)
cpu=$(awk -F': ' '
/model/ { printf ""$2"" }
/system type/ { printf ""$2"" }
' /proc/cpuinfo)
local_time="`date +%s`"
load=$(awk '{ printf ""$3""$4"" }' /proc/loadavg)
err "`date`: Collecting version information"
batman_adv_version=$(cat /sys/module/batman_adv/version)
kernel_version=$(uname -r)
fastd_version=$(fastd -v | awk '{ print $2 }')
nodewatcher_version=$SCRIPT_VERSION
# example for /etc/openwrt_release:
#DISTRIB_ID="OpenWrt"
#DISTRIB_RELEASE="Attitude Adjustment"
#DISTRIB_REVISION="r35298"
#DISTRIB_CODENAME="attitude_adjustment"
#DISTRIB_TARGET="atheros/generic"
#DISTRIB_DESCRIPTION="OpenWrt Attitude Adjustment 12.09-rc1"
. /etc/openwrt_release
distname=$DISTRIB_ID
distversion=$DISTRIB_RELEASE
# example for /etc/firmware_release:
#FIRMWARE_VERSION="95f36685e7b6cbf423f02cf5c7f1e785fd4ccdae-dirty"
#BUILD_DATE="build date: Di 29. Jan 19:33:34 CET 2013"
#OPENWRT_CORE_REVISION="35298"
#OPENWRT_FEEDS_PACKAGES_REVISION="35298"
. /etc/firmware_release
SYSTEM_DATA="online$hostname$distname$distversion$cpu$memory$load$uptime$local_time$batman_adv_version$kernel_version$fastd_version$nodewatcher_version$FIRMWARE_VERSION$BUILD_DATE$OPENWRT_CORE_REVISION$OPENWRT_FEEDS_PACKAGES_REVISION"
err "`date`: Collecting information from network interfaces"
#Get interfaces
#IFACES=`cat /proc/net/dev | awk -F: '!/\|/ { gsub(/[[:space:]]*/, "", $1); split($2, a, " "); printf("%s=%s=%s ", $1, a[1], a[9]) }'`
interface_data=""
#Loop interfaces
#for entry in $IFACES; do
for filename in `grep 'up\|unknown' /sys/class/net/*/operstate`; do
ifpath=${filename%/operstate*}
iface=${ifpath#/sys/class/net/}
if [ "$iface" = "lo" ]; then
continue
fi
#Get interface data
addrs="$(ip addr show dev ${iface} | awk '
/ether/ { printf ""$2"" }
/inet / { split($2, a, "/"); printf ""a[1]"" }
/inet6/ && /scope global/ { printf ""$2"" }
/inet6/ && /scope link/ { printf ""$2""}
/mtu/ { printf ""$5"" }
')"
#mac_addr="`cat $ifpath/address`"
#ipv4_addr="`ip addr show dev ${iface} | awk '/inet / { split($2, a, "/"); print a[1] }'`"
#ipv6_addr="`ip addr show dev ${iface} scope global | awk '/inet6/ { print $2 }'`"
#ipv6_link_local_addr="`ip addr show dev ${iface} scope link | awk '/inet6/ { print $2 }'`"
#mtu=`cat $ifpath/mtu`
traffic_rx=`cat $ifpath/statistics/rx_bytes`
traffic_tx=`cat $ifpath/statistics/tx_bytes`
#interface_data=$interface_data"<$iface>$iface$mac_addr$ipv4_addr$ipv6_addr$ipv6_link_local_addr$traffic_rx$traffic_tx$mtu"
interface_data=$interface_data"<$iface>$iface$addrs$traffic_rx$traffic_tx"
interface_data=$interface_data$(iwconfig ${iface} 2>/dev/null | awk -F':' '
/Mode/{ split($2, m, " "); printf ""m[1]"" }
/Cell/{ split($0, c, " "); printf ""c[5]"" }
/ESSID/ { split($0, e, "\""); printf ""e[2]"" }
/Freq/{ split($3, f, " "); printf ""f[1]f[2]"" }
/Tx-Power/{ split($0, p, "="); sub(/[[:space:]]*$/, "", p[2]); printf ""p[2]"" }
')"$iface>"
#if [ "`iwconfig ${iface} 2>/dev/null | grep IEEE`" != "" ]; then
# wlan_mode="`iwconfig $iface | awk -F':' '/Mode/{ split($2, m, " "); print m[1] }'`"
#
# if [ $wlan_mode = "Master" ]; then
# wlan_bssid="`iw $iface info | awk '/addr/{ print $2 }'`"
# elif [ $wlan_mode = "Ad-Hoc" ]; then
# wlan_bssid="`iwconfig $iface | awk '/Cell/{ print $5 }'`"
# fi
#
# wlan_essid="`iwconfig ${iface} | awk -F'"' '/ESSID/ { print $2 }'`"
# wlan_frequency="`iwconfig $iface | awk -F':' '/Freq/{ split($3, f, " "); print f[1] }'`"
# wlan_tx_power="`iwconfig $iface | awk -F'=' '/Tx-Power/{ print $2 }'`"
#
# interface_data=$interface_data"$wlan_mode$wlan_frequency$wlan_essid$wlan_bssid$wlan_tx_power"
#fi
#interface_data=$interface_data"$iface>"
done
err "`date`: Collecting information from batman advanced and it´s interfaces"
#B.A.T.M.A.N. advanced
if [ -f /sys/module/batman_adv/version ]; then
for iface in $(grep active /sys/class/net/*/batman_adv/iface_status); do
status=${iface#*:}
iface=${iface%/batman_adv/iface_status:active}
iface=${iface#/sys/class/net/}
BATMAN_ADV_INTERFACES=$BATMAN_ADV_INTERFACES"<$iface>$iface$status$iface>"
done
batman_adv_originators=$(awk \
'BEGIN { FS=" "; i=0 }
/O/ { next }
/B/ { next }
{ sub("\\(", "", $0)
sub("\\)", "", $0)
sub("\\[", "", $0)
sub("\\]:", "", $0)
sub(" ", " ", $0)
printf ""$1""$3""$4""$2""$5""
i++
}' /sys/kernel/debug/batman_adv/bat0/originators)
batman_adv_gateway_mode=$(batctl gw)
batman_adv_gateway_list=$(awk \
'BEGIN { FS=" "; i=0 }
/Gateway/ { next }
/No gateways/ { next }
{ sub("=>", "true", $0)
sub(" ", "false", $0)
sub("\\(", "", $0)
sub("\\)", "", $0)
sub("\\[", "", $0)
sub("\\]:", "", $0)
sub(" ", " ", $0)
printf ""$1""$2""$3""$4""$5""$6" "$7" "$8""
i++
}' /sys/kernel/debug/batman_adv/bat0/gateways)
fi
err "`date`: Collecting information about conected clients"
#CLIENTS
SEDDEV=$(brctl showstp $MESH_INTERFACE | awk '/\([0-9]\)/ {
sub("\\(", "", $0)
sub("\\)", "", $0)
print "s/^ "$2"/"$1"/;"
}')
client_count=$(brctl showmacs $MESH_INTERFACE | sed -e "$SEDDEV" | egrep -c "(${CLIENT_INTERFACES// /|}).*no")
err "`date`: Putting all information into a XML-File and save it at "$SCRIPT_DATA_FILE
DATA="$SYSTEM_DATA$interface_data$BATMAN_ADV_INTERFACES$batman_adv_originators$batman_adv_gateway_mode$batman_adv_gateway_list$client_count"
#write data to hxml file that provides the data on httpd
echo $DATA | gzip > $SCRIPT_DATA_FILE
}
LANG=C
#Prüft ob das logfile zu groß geworden ist
err "`date`: Check logfile"
delete_log
#Erzeugt die statusdaten
err "`date`: Generate actual status data"
crawl
exit 0