forked from freifunk-franken/firmware
Adrian Schmutzler
18e00a4e70
This applies some tiny improvements to just-moved nodewatcher.d code: - Remove comments about obvious things - Introduce newlines to make code easier to read - Use shorter conditional syntax for easy cases Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de> Reviewed-by: Fabian Bläse <fabian@blaese.de>
61 lines
2.0 KiB
Bash
Executable File
61 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# Netmon Nodewatcher (C) 2010-2012 Freifunk Oldenburg
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# License; GPL v3
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debug() {
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(>&2 echo "$1")
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}
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debug "$(date): Collecting information from batman advanced and its interfaces"
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if [ -f /sys/module/batman_adv/version ]; then
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for iface in $(batctl if | sed 's/ //'); do
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status=${iface##*:}
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iface=${iface%%:*}
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BATMAN_ADV_INTERFACES=$BATMAN_ADV_INTERFACES"<$iface><name>$iface</name><status>$status</status></$iface>"
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done
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echo -n "<batman_adv_interfaces>$BATMAN_ADV_INTERFACES</batman_adv_interfaces>"
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# Build a list of direct neighbors
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batman_adv_originators=$(/usr/sbin/batctl o -H | awk \
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'BEGIN { FS=" "; i=0 } # set the delimiter to " "
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{ sub("\\(", "", $0) # remove parentheses
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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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o=$1".*"$1 # build a regex to find lines that contains the $1 (=originator) twice
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if ($0 ~ o) # filter for this regex (will remove entries without direct neighbor)
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{
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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>"$5"</outgoing_interface></originator_"i">"
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i++
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}
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}')
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echo -n "<batman_adv_originators>$batman_adv_originators</batman_adv_originators>"
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echo -n "<batman_adv_gateway_mode>$(/usr/sbin/batctl gw)</batman_adv_gateway_mode>"
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batman_adv_gateway_list=$(/usr/sbin/batctl gwl -H | awk \
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'BEGIN { FS=" "; i=0 }
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/No gateways/ { 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("\\* ", "true ", $0)
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sub(" ", "false ", $0)
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printf "<gateway_"i"><selected>"$1"</selected><gateway>"$2"</gateway><link_quality>"$3"</link_quality><nexthop>"$4"</nexthop><outgoing_interface>"$5"</outgoing_interface><gw_class>"$6" "$7" "$8"</gw_class></gateway_"i">"
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i++
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}')
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echo -n "<batman_adv_gateway_list>$batman_adv_gateway_list</batman_adv_gateway_list>"
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else
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debug "$(date): No batman data .."
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exit 1
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fi
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exit 0
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