forked from freifunk-franken/firmware
Nodewatcher optimisation
The nodewatcher.sh got a diet. :) Stats from DIR300 Old nodewatcher: real 1m 43.86s user 0m 5.59s sys 0m 32.78s Memory consumption.. over ~1.5MB New nodewatcher: real 0m 17.17s user 0m 0.99s sys 0m 4.33s Memory consumption.. below ~0.5MB Signed-off-by: Tim Niemeyer <tim.niemeyer@mastersword.de>
This commit is contained in:
Tim Niemeyer
parent
16fd33e7c7
commit
239234c0fa
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@ -2,10 +2,11 @@
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# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
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# License; GPL v3
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SCRIPT_VERSION="30"
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#Get the configuration from the uci configuration file
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#If it does not exists, then get it from a normal bash file with variables.
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if [ -f /etc/config/nodewatcher ];then
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SCRIPT_VERSION=`uci get nodewatcher.@script[0].version`
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SCRIPT_ERROR_LEVEL=`uci get nodewatcher.@script[0].error_level`
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SCRIPT_LOGFILE=`uci get nodewatcher.@script[0].logfile`
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SCRIPT_DATA_FILE=`uci get nodewatcher.@script[0].data_file`
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@ -15,14 +16,22 @@ else
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. `dirname $0`/nodewatcher_config
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fi
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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err() {
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echo $1 >> $SCRIPT_LOGFILE
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}
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else
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err() {
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:
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}
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fi
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#this method checks id the logfile has bekome too big and deletes the first X lines
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delete_log() {
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if [ -f $SCRIPT_LOGFILE ]; then
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if [ `ls -la $SCRIPT_LOGFILE | awk '{ print $5 }'` -gt "6000" ]; then
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sed -i '1,60d' $SCRIPT_LOGFILE
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: Logfile has been made smaller" >> $SCRIPT_LOGFILE
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fi
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err "`date`: Logfile has been made smaller"
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fi
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fi
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}
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@ -30,195 +39,146 @@ delete_log() {
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#this method generates the crawl data xml file that is beeing fetched by netmon
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#and provided by a small local httpd
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crawl() {
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#Get system data from UCI
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if which uci >/dev/null; then
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: UCI is installed, trying to collect extra data from UCI" >> $SCRIPT_LOGFILE
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fi
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location="`uci get freifunk.contact.location`"
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latitude="`uci get system.@system[0].latitude`"
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longitude="`uci get system.@system[0].longitude`"
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community_essid="`uci get freifunk.community.ssid`"
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community_nickname="`uci get freifunk.contact.nickname`"
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community_email="`uci get freifunk.contact.mail`"
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community_prefix="`uci get freifunk.community.prefix`"
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description="`uci get freifunk.contact.note`"
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fi
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#Get system data from LUA
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if which lua >/dev/null; then
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: LUA is installed, trying to collect extra data from LUA" >> $SCRIPT_LOGFILE
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fi
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luciname=`lua -l luci.version -e 'print(luci.version.luciname)'`
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lucversion=`lua -l luci.version -e 'print(luci.version.luciversion)'`
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fi
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#Get system data from other locations
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: Collecting basic system status data" >> $SCRIPT_LOGFILE
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fi
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hostname="`cat /proc/sys/kernel/hostname`"
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uptime=`cat /proc/uptime | awk '{ print $1 }'`
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idletime=`cat /proc/uptime | awk '{ print $2 }'`
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err "`date`: Collecting basic system status data"
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hostname="$(cat /proc/sys/kernel/hostname)"
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uptime=$(awk '{ printf "<uptime>"$1"</uptime><idletime>"$2"</idletime>" }' /proc/uptime)
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memory_total=`cat /proc/meminfo | grep 'MemTotal' | awk '{ print $2 }'`
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memory_caching=`cat /proc/meminfo | grep -m 1 'Cached:' | awk '{ print $2 }'`
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memory_buffering=`cat /proc/meminfo | grep 'Buffers' | awk '{ print $2 }'`
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memory_free=`cat /proc/meminfo | grep 'MemFree' | awk '{ print $2 }'`
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cpu=`grep -m 1 "cpu model" /proc/cpuinfo | cut -d ":" -f 2`
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if [ -n $cpu ]; then
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cpu=`grep -m 1 "model name" /proc/cpuinfo | cut -d ":" -f 2`
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fi
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chipset=`grep -m 1 "system type" /proc/cpuinfo | cut -d ":" -f 2`
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memory=$(awk '
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/^MemTotal/ { printf "<memory_total>"$2"</memory_total>" }
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/^Cached:/ { printf "<memory_caching>"$2"</memory_caching>" }
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/^Buffers/ { printf "<memory_buffering>"$2"</memory_buffering>" }
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/^MemFree/ { printf "<memory_free>"$2"</memory_free>" }
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' /proc/meminfo)
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cpu=$(awk -F': ' '
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/model/ { printf "<cpu>"$2"</cpu>" }
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/system type/ { printf "<chipset>"$2"</chipset>" }
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' /proc/cpuinfo)
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local_time="`date +%s`"
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processes=`cat /proc/loadavg | awk '{ print $4 }'`
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loadavg=`cat /proc/loadavg | awk '{ print $1 }'`
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load=$(awk '{ printf "<loadavg>"$3"</loadavg><processes>"$4"</processes>" }' /proc/loadavg)
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: Collecting version information" >> $SCRIPT_LOGFILE
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fi
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if which batctl >/dev/null; then
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batctl_adv_version=`batctl -v | awk '{ print $2 }'`
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batman_adv_version=`batctl o -n|head -n1|awk '{ print $3 }'|sed 's/,//'`
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fi
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kernel_version=`uname -r`
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err "`date`: Collecting version information"
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batman_adv_version=$(cat /sys/module/batman_adv/version)
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kernel_version=$(uname -r)
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nodewatcher_version=$SCRIPT_VERSION
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openwrt_version_file="/etc/openwrt_release"
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if [ -f $openwrt_version_file ]; then
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. $openwrt_version_file
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# example for /etc/openwrt_release:
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#DISTRIB_ID="OpenWrt"
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#DISTRIB_RELEASE="Attitude Adjustment"
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#DISTRIB_REVISION="r35298"
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#DISTRIB_CODENAME="attitude_adjustment"
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#DISTRIB_TARGET="atheros/generic"
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#DISTRIB_DESCRIPTION="OpenWrt Attitude Adjustment 12.09-rc1"
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. /etc/openwrt_release
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distname=$DISTRIB_ID
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distversion=$DISTRIB_RELEASE
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distname=$DISTRIB_ID
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distversion=$DISTRIB_RELEASE
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fi
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# example for /etc/firmware_release:
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#FIRMWARE_VERSION="95f36685e7b6cbf423f02cf5c7f1e785fd4ccdae-dirty"
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#RELEASE_DATE="build date: Di 29. Jan 19:33:34 CET 2013"
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#FIRMWARE_REVISION="build date: Di 29. Jan 19:33:34 CET 2013"
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#OPENWRT_CORE_REVISION="35298"
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#OPENWRT_FEEDS_PACKAGES_REVISION="35298"
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. /etc/firmware_release
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SYSTEM_DATA="<status>online</status><hostname>$hostname</hostname><distname>$distname</distname><distversion>$distversion</distversion>$cpu$memory$load$uptime<local_time>$local_time</local_time><batman_advanced_version>$batman_adv_version</batman_advanced_version><kernel_version>$kernel_version</kernel_version><nodewatcher_version>$nodewatcher_version</nodewatcher_version><firmware_version>$FIRMWARE_VERSION</firmware_version><firmware_revision>$FIRMWARE_REVISION</firmware_revision><openwrt_core_revision>$OPENWRT_CORE_REVISION</openwrt_core_revision><openwrt_feeds_packages_revision>$OPENWRT_FEEDS_PACKAGES_REVISION</openwrt_feeds_packages_revision>"
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firmware_version_file="/etc/firmware_release"
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if [ -f $firmware_version_file ]; then
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. $firmware_version_file
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fi
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err "`date`: Collecting information from network interfaces"
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: Collecting information from network interfaces" >> $SCRIPT_LOGFILE
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fi
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#Get interfaces
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IFACES=`cat /proc/net/dev | awk -F: '!/\|/ { gsub(/[[:space:]]*/, "", $1); split($2, a, " "); printf("%s=%s=%s ", $1, a[1], a[9]) }'`
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#IFACES=`cat /proc/net/dev | awk -F: '!/\|/ { gsub(/[[:space:]]*/, "", $1); split($2, a, " "); printf("%s=%s=%s ", $1, a[1], a[9]) }'`
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interface_data=""
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#Loop interfaces
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for entry in $IFACES; do
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iface=`echo $entry | cut -d '=' -f 1`
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rcv=`echo $entry | cut -d '=' -f 2`
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xmt=`echo $entry | cut -d '=' -f 3`
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#for entry in $IFACES; do
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for filename in `grep up /sys/class/net/*/operstate`; do
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ifpath=${filename%/operstate*}
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iface=${ifpath#/sys/class/net/}
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if [ "$iface" = "lo" ]; then
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continue
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fi
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wlan_mode=""
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wlan_bssid=""
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wlan_essid=""
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wlan_frequency=""
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wlan_tx_power=""
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if [ "$iface" != "lo" ]; then
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if [ "`ifconfig ${iface} | grep UP`" != "" ]; then
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#Get interface data
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name="${iface}"
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mac_addr="`ifconfig ${iface} | grep 'HWaddr' | awk '{ print $5}'`"
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ipv4_addr="`ifconfig ${iface} | grep 'inet addr:' | cut -d: -f2 | awk '{ print $1}'`"
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ipv6_addr="`ifconfig ${iface} | grep 'inet6 addr:' | grep 'Scope:Global' | awk '{ print $3}'`"
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ipv6_link_local_addr="`ifconfig ${iface} | grep 'inet6 addr:' | grep 'Scope:Link' | awk '{ print $3}'`"
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mtu="`ifconfig ${iface} | grep 'MTU' | cut -d: -f2 | awk '{ print $1}'`"
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traffic_rx="$rcv"
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traffic_tx="$xmt"
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interface_data=$interface_data"<$name><name>$name</name><mac_addr>$mac_addr</mac_addr><ipv4_addr>$ipv4_addr</ipv4_addr><ipv6_addr>$ipv6_addr</ipv6_addr><ipv6_link_local_addr>$ipv6_link_local_addr</ipv6_link_local_addr><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><mtu>$mtu</mtu>"
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if [ "`iwconfig ${iface} 2>/dev/null | grep Frequency | awk '{ print $2 }' | cut -d ':' -f 2`" != "" ]; then
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wlan_mode="`iwconfig ${iface} 2>/dev/null | grep 'Mode' | awk '{ print $1 }' | cut -d ':' -f 2`"
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if [ $wlan_mode = "Master" ]; then
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wlan_bssid="`iwconfig ${iface} 2>/dev/null | grep 'Access Point' | awk '{ print $6 }'`"
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elif [ $wlan_mode = "Ad-Hoc" ]; then
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wlan_bssid="`iwconfig ${iface} 2>/dev/null | grep Cell | awk '{ print $5 }'`"
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fi
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wlan_essid="`iwconfig ${iface} 2>/dev/null | grep ESSID | awk '{ split($4, a, \"\\"\"); printf(\"%s\", a[2]); }'`"
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wlan_frequency="`iwconfig ${iface} 2>/dev/null | grep Frequency | awk '{ print $2 }' | cut -d ':' -f 2`"
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wlan_tx_power="`iwconfig ${iface} 2>/dev/null | grep 'Tx-Power' | awk '{ print $4 }' | cut -d ':' -f 2`"
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interface_data=$interface_data"<wlan_mode>$wlan_mode</wlan_mode><wlan_frequency>$wlan_frequency</wlan_frequency><wlan_essid>$wlan_essid</wlan_essid><wlan_bssid>$wlan_bssid</wlan_bssid><wlan_tx_power>$wlan_tx_power</wlan_tx_power>"
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fi
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interface_data=$interface_data"</$name>"
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fi
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fi
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#Get interface data
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addrs="$(ip addr show dev ${iface} | awk '
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/ether/ { printf "<mac_addr>"$2"</mac_addr>" }
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/inet / { split($2, a, "/"); printf "<ipv4_addr>"a[1]"</ipv4_addr>" }
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/inet6/ && /scope global/ { printf "<ipv6_addr>"$2"</ipv6_addr>" }
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/inet6/ && /scope link/ { printf "<ipv6_link_local_addr>"$2"</ipv6_link_local_addr>"}
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/mtu/ { printf "<mtu>"$5"</mtu>" }
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')"
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#mac_addr="`cat $ifpath/address`"
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#ipv4_addr="`ip addr show dev ${iface} | awk '/inet / { split($2, a, "/"); print a[1] }'`"
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#ipv6_addr="`ip addr show dev ${iface} scope global | awk '/inet6/ { print $2 }'`"
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#ipv6_link_local_addr="`ip addr show dev ${iface} scope link | awk '/inet6/ { print $2 }'`"
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#mtu=`cat $ifpath/mtu`
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traffic_rx=`cat $ifpath/statistics/rx_bytes`
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traffic_tx=`cat $ifpath/statistics/tx_bytes`
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#interface_data=$interface_data"<$iface><name>$iface</name><mac_addr>$mac_addr</mac_addr><ipv4_addr>$ipv4_addr</ipv4_addr><ipv6_addr>$ipv6_addr</ipv6_addr><ipv6_link_local_addr>$ipv6_link_local_addr</ipv6_link_local_addr><traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx><mtu>$mtu</mtu>"
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interface_data=$interface_data"<$iface><name>$iface</name>$addrs<traffic_rx>$traffic_rx</traffic_rx><traffic_tx>$traffic_tx</traffic_tx>"
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interface_data=$interface_data$(iwconfig ${iface} 2>/dev/null | awk -F':' '
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/Mode/{ split($2, m, " "); printf "<wlan_mode>"m[1]"</wlan_mode>" }
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/Cell/{ split($0, c, " "); printf "<wlan_bssid>"c[5]"</wlan_bssid>" }
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/ESSID/ { split($0, e, "\""); printf "<wlan_essid>"e[2]"</wlan_essid>" }
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/Freq/{ split($3, f, " "); printf "<wlan_frequency>"f[1]f[2]"</wlan_frequency>" }
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/Tx-Power/{ split($0, p, "="); sub(/[[:space:]]*$/, "", p[2]); printf "<wlan_tx_power>"p[2]"</wlan_tx_power>" }
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')"</$iface>"
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#if [ "`iwconfig ${iface} 2>/dev/null | grep IEEE`" != "" ]; then
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# wlan_mode="`iwconfig $iface | awk -F':' '/Mode/{ split($2, m, " "); print m[1] }'`"
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#
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# if [ $wlan_mode = "Master" ]; then
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# wlan_bssid="`iw $iface info | awk '/addr/{ print $2 }'`"
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# elif [ $wlan_mode = "Ad-Hoc" ]; then
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# wlan_bssid="`iwconfig $iface | awk '/Cell/{ print $5 }'`"
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# fi
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#
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# wlan_essid="`iwconfig ${iface} | awk -F'"' '/ESSID/ { print $2 }'`"
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# wlan_frequency="`iwconfig $iface | awk -F':' '/Freq/{ split($3, f, " "); print f[1] }'`"
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# wlan_tx_power="`iwconfig $iface | awk -F'=' '/Tx-Power/{ print $2 }'`"
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#
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# interface_data=$interface_data"<wlan_mode>$wlan_mode</wlan_mode><wlan_frequency>$wlan_frequency</wlan_frequency><wlan_essid>$wlan_essid</wlan_essid><wlan_bssid>$wlan_bssid</wlan_bssid><wlan_tx_power>$wlan_tx_power</wlan_tx_power>"
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#fi
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#interface_data=$interface_data"</$iface>"
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done
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
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echo "`date`: Collecting information from batman advanced and it´s interfaces" >> $SCRIPT_LOGFILE
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fi
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err "`date`: Collecting information from batman advanced and it´s interfaces"
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#B.A.T.M.A.N. advanced
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if which batctl >/dev/null; then
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batman_check_running=`batctl if | grep 'Error'`
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if [ "$batman_check_running" == "" ]; then
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has_active_interface="0"
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BAT_ADV_IFACES=`batctl if | awk '{ print $1 }' | cut -d ':' -f 1`
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for device_name in $BAT_ADV_IFACES; do
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if [ "`batctl if | grep $device_name | grep active`" != "" ]; then
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status='active'
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has_active_interface="1"
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else
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status='inactive'
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fi
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if [ -f /sys/module/batman_adv/version ]; then
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for iface in $(grep active /sys/class/net/*/batman_adv/iface_status); do
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status=${iface#*:}
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iface=${iface%/batman_adv/iface_status:active}
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iface=${iface#/sys/class/net/}
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BATMAN_ADV_INTERFACES=$BATMAN_ADV_INTERFACES"<$iface><name>$iface</name><status>$status</status></$iface>"
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done
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BATMAN_ADV_INTERFACES=$BATMAN_ADV_INTERFACES"<$device_name><name>$device_name</name><status>$status</status></$device_name>"
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done
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if [ $has_active_interface = "1" ]; then
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BAT_ADV_ORIGINATORS=`batctl o -n | grep 'No batman nodes in range'`
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if [ "$BAT_ADV_ORIGINATORS" == "" ]; then
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OLDIFS=$IFS
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IFS="
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"
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BAT_ADV_ORIGINATORS=`batctl o -n | awk '/O/ {next} /B/ {next} {print}'`
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count=0;
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for row in $BAT_ADV_ORIGINATORS; do
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row="${row//[\(\)]/}"
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originator=`echo $row | awk '{print $1}'`
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last_seen=`echo $row | awk '{print $2}'`
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last_seen="${last_seen//s/}"
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link_quality=`echo $row | awk '{print $3}'`
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outgoing_interface=`echo $row | cut -d] -f1 | cut -d[ -f2`
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outgoing_interface="${outgoing_interface// /}"
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nexthop=`echo $row | awk '{print $4}'`
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batman_adv_originators=$(awk \
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'BEGIN { FS=" "; i=0 }
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/O/ { next }
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/B/ { next }
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{ sub("\\(", "", $0)
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sub("\\)", "", $0)
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sub("\\[", "", $0)
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sub("\\]:", "", $0)
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sub(" ", " ", $0)
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printf "<originator_"i"><originator>"$1"</originator><link_quality>"$3"</link_quality><nexthop>"$4"</nexthop><last_seen>"$2"</last_seen><outgoing_interface>"$5"</outgoing_interface></originator_"i">"
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i++
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}' /sys/kernel/debug/batman_adv/bat0/originators)
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fi
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batman_adv_originators=$batman_adv_originators"<originator_$count><originator>$originator</originator><link_quality>$link_quality</link_quality><nexthop>$nexthop</nexthop><last_seen>$last_seen</last_seen><outgoing_interface>$outgoing_interface</outgoing_interface></originator_$count>"
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count=`expr $count + 1`
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done
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IFS=$OLDIFS
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fi
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||||
fi
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||||
fi
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fi
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if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
|
||||
echo "`date`: Collecting information about conected clients" >> $SCRIPT_LOGFILE
|
||||
fi
|
||||
err "`date`: Collecting information about conected clients"
|
||||
#CLIENTS
|
||||
SEDDEV=`brctl showstp $MESH_INTERFACE | egrep '\([0-9]\)' | sed -e "s/(//;s/)//" | awk '{ print "s/^ "$2"/"$1"/;" }'`
|
||||
SEDDEV=$(brctl showstp $MESH_INTERFACE | awk '/\([0-9]\)/ {
|
||||
sub("\\(", "", $0)
|
||||
sub("\\)", "", $0)
|
||||
print "s/^ "$2"/"$1"/;"
|
||||
}')
|
||||
|
||||
for entry in $CLIENT_INTERFACES; do
|
||||
CLIENT_MACS=$CLIENT_MACS`brctl showmacs $MESH_INTERFACE | sed -e "$SEDDEV" | awk '{if ($3 != "yes" && $1 == "'"$entry"'") print $2}'`" "
|
||||
done
|
||||
client_count=$(brctl showmacs $MESH_INTERFACE | sed -e "$SEDDEV" | egrep -c "(${CLIENT_INTERFACES// /|}).*no")
|
||||
|
||||
i=0
|
||||
for client in $CLIENT_MACS; do
|
||||
i=`expr $i + 1` #Zähler um eins erhöhen
|
||||
done
|
||||
client_count=$i
|
||||
|
||||
if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
|
||||
echo "`date`: Putting all information into a XML-File and save it at "$SCRIPT_DATA_FILE >> $SCRIPT_LOGFILE
|
||||
fi
|
||||
SYSTEM_DATA="<status>online</status><hostname>$hostname</hostname><description>$description</description><location>$location</location><latitude>$latitude</latitude><longitude>$longitude</longitude><luciname>$luciname</luciname><luciversion>$luciversion</luciversion><distname>$distname</distname><distversion>$distversion</distversion><chipset>$chipset</chipset><cpu>$cpu</cpu><memory_total>$memory_total</memory_total><memory_caching>$memory_caching</memory_caching><memory_buffering>$memory_buffering</memory_buffering><memory_free>$memory_free</memory_free><loadavg>$loadavg</loadavg><processes>$processes</processes><uptime>$uptime</uptime><idletime>$idletime</idletime><local_time>$local_time</local_time><community_essid>$community_essid</community_essid><community_nickname>$community_nickname</community_nickname><community_email>$community_email</community_email><community_prefix>$community_prefix</community_prefix><batman_advanced_version>$batman_adv_version</batman_advanced_version><kernel_version>$kernel_version</kernel_version><nodewatcher_version>$nodewatcher_version</nodewatcher_version><firmware_version>$FIRMWARE_VERSION</firmware_version><firmware_revision>$FIRMWARE_REVISION</firmware_revision><openwrt_core_revision>$OPENWRT_CORE_REVISION</openwrt_core_revision><openwrt_feeds_packages_revision>$OPENWRT_FEEDS_PACKAGES_REVISION</openwrt_feeds_packages_revision>"
|
||||
err "`date`: Putting all information into a XML-File and save it at "$SCRIPT_DATA_FILE
|
||||
|
||||
DATA="<?xml version='1.0' standalone='yes'?><data><system_data>$SYSTEM_DATA</system_data><interface_data>$interface_data</interface_data><batman_adv_interfaces>$BATMAN_ADV_INTERFACES</batman_adv_interfaces><batman_adv_originators>$batman_adv_originators</batman_adv_originators><client_count>$client_count</client_count></data>"
|
||||
|
||||
|
|
@ -229,15 +189,11 @@ crawl() {
|
|||
LANG=C
|
||||
|
||||
#Prüft ob das logfile zu groß geworden ist
|
||||
if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
|
||||
echo "`date`: Check logfile" >> $SCRIPT_LOGFILE
|
||||
fi
|
||||
err "`date`: Check logfile"
|
||||
delete_log
|
||||
|
||||
#Erzeugt die statusdaten
|
||||
if [ $SCRIPT_ERROR_LEVEL -gt "1" ]; then
|
||||
echo "`date`: Generate actual status data" >> $SCRIPT_LOGFILE
|
||||
fi
|
||||
err "`date`: Generate actual status data"
|
||||
crawl
|
||||
|
||||
exit 0
|
||||
|
|
|
|||
Loading…
Reference in New Issue