add script to poll printer pages (clooney)

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

eth/lp-0042-stats.sh

@@ -0,0 +1,84 @@
+#!/bin/sh
+# 
+# 2008      Nico Schottelius (nico-nsbin at schottelius.org)
+# 
+# This file is part of nsbin.
+#
+# nsbin is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+# 
+# nsbin is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with nsbin. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+# Usage: $0
+#
+
+file=~/ethz/lp-0042-stats
+date="$(date +%s)"
+f="$file/$date"
+
+set -e
+
+[ "$1" = dry ] || \
+   snmpget  -c public -v1 -Ov lp-0042.ethz.ch mib-2.43.10.2.1.4.1.1 | \
+      sed 's/.*: //' | \
+         tee "$f"
+
+cd "${file}"
+
+last=0;
+flast=0;
+
+first_time=""
+first_pages=""
+last_time=""
+last_pages=""
+
+echo '$file: $new - $diff - $fdiff - $mdiff - $pages_per_hour - $pages_per_minute - $pages_month'
+
+for file in *; do
+   new=$(cat "$file");
+   diff=$(($new - $last));
+   fdiff=$((file - flast));
+   mdiff=$((fdiff / 60));
+   hdiff=$((fdiff / 3600));
+
+   [ "$first_time" ] || first_time="$file"
+   [ "$first_pages" ] || first_pages="$new"
+
+   if [ "$mdiff" -gt 0 ]; then
+      pages_per_minute=$(($diff / $mdiff));
+   else 
+      pages_per_minute=-1
+   fi
+   if [ "$hdiff" -gt 0 ]; then
+      pages_per_hour=$(($diff / $hdiff));
+   else 
+      pages_per_hour=-1
+   fi
+   last="$new";
+   flast="$file";
+
+   pages_month=$((pages_per_hour * 24 * 30))
+   echo $file: $new - $diff - $fdiff - $mdiff - $pages_per_hour - $pages_per_minute - $pages_month
+done
+
+last_time="$file"
+last_pages="$new"
+
+diff_time="$((last_time - first_time))"
+diff_time_h="$((diff_time / 3600))"
+diff_time_d="$((diff_time_h / 24))"
+diff_pages="$((last_pages - first_pages))"
+
+
+echo "Overall: ${diff_time}s (${diff_time_h}h) (${diff_time_d}d): - ${diff_pages}: $((3600 * 24 * 30 * diff_pages/diff_time)) / month"
+