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79 lines
2.2 KiB
79 lines
2.2 KiB
##
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# \file
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# To each interface a set of caller functions exist, that take an instance
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# of an object and then in turn call the implementation for the class of
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# this object. If there is none within the class it looks into its
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# parent class and so forth.
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#
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# This is somewhat similar to late binding in real OOP languages, but
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# by far not so elaborated. This is not a real object oriented language
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# and will surely never ever provide all features these have.
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#
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# That said it has proven very usefull for me to orgnize code and prevent
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# code duplication.
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#
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# \author Georg Hopp
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#
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# \copyright
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# Copyright © 2014 Georg Hopp
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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gather_uptime_info() {
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[ -z "${UPTIME}" ] || return
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export UPTIME=""
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export LOAD_1=""
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export LOAD_5=""
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export LOAD_15=""
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local CALC_LOAD_AWK='{
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print "LOAD_1=\"" $1 "\";LOAD_5=\"" $2 "\";LOAD_15=\"" $3 "\";";
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for(i=1; i<4; i++) {
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if($i<=0.0) {
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load="LOW"
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} else {
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inv_load=ncpus/$i;
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if (inv_load > (ncpus/2)) {
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load="LOW";
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} else {
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load="MODERATE";
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}
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if (inv_load <= 0) load="HIGH";
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}
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if(i==1) { classes=classes "LOAD_1_" load " " }
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if(i==2) { classes=classes "LOAD_5_" load " " }
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if(i==3) { classes=classes "LOAD_15_" load " "; }
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}
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print "set_class " classes ";";
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}'
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has_class "Linux" && {
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eval $(${AWK} -v ncpus=${NCPUS} "${CALC_LOAD_AWK}" </proc/loadavg)
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}
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has_class "FreeBSD" && {
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local N='\([0-9]*\.[0-9]*\)'
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eval $(${SYSCTL} vm.loadavg |\
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${SED} 's/^.*{ '"${N}"' '"${N}"' '"${N}"'.*/\1 \2 \3/' |\
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${AWK} -v ncpus=${NCPUS} "${CALC_LOAD_AWK}")
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}
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export UPTIME LOAD_1 LOAD_5 LOAD_15
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}
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# vim: set ts=4 sw=4:
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