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<link rel="stylesheet" href="../../coverage.css"/> <title> dog_and_duck/utils/process.clj </title>
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001&nbsp;&nbsp;(ns&nbsp;dog-and-duck.utils.process
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002&nbsp;&nbsp;&nbsp;&nbsp;(:require&nbsp;[clojure.string&nbsp;:refer&nbsp;[split]]))
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003&nbsp;&nbsp;
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004&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Copyright&nbsp;(C)&nbsp;Simon&nbsp;Brooke,&nbsp;2022
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005&nbsp;&nbsp;
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006&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;program&nbsp;is&nbsp;free&nbsp;software;&nbsp;you&nbsp;can&nbsp;redistribute&nbsp;it&nbsp;and&#x2F;or
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007&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;modify&nbsp;it&nbsp;under&nbsp;the&nbsp;terms&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License
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008&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;as&nbsp;published&nbsp;by&nbsp;the&nbsp;Free&nbsp;Software&nbsp;Foundation;&nbsp;either&nbsp;version&nbsp;2
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009&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of&nbsp;the&nbsp;License,&nbsp;or&nbsp;(at&nbsp;your&nbsp;option)&nbsp;any&nbsp;later&nbsp;version.
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010&nbsp;&nbsp;
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011&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This&nbsp;program&nbsp;is&nbsp;distributed&nbsp;in&nbsp;the&nbsp;hope&nbsp;that&nbsp;it&nbsp;will&nbsp;be&nbsp;useful,
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012&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;but&nbsp;WITHOUT&nbsp;ANY&nbsp;WARRANTY;&nbsp;without&nbsp;even&nbsp;the&nbsp;implied&nbsp;warranty&nbsp;of
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013&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;MERCHANTABILITY&nbsp;or&nbsp;FITNESS&nbsp;FOR&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE.&nbsp;&nbsp;See&nbsp;the
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014&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License&nbsp;for&nbsp;more&nbsp;details.
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015&nbsp;&nbsp;
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016&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You&nbsp;should&nbsp;have&nbsp;received&nbsp;a&nbsp;copy&nbsp;of&nbsp;the&nbsp;GNU&nbsp;General&nbsp;Public&nbsp;License
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017&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;along&nbsp;with&nbsp;this&nbsp;program;&nbsp;if&nbsp;not,&nbsp;write&nbsp;to&nbsp;the&nbsp;Free&nbsp;Software
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018&nbsp;&nbsp;;;;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Foundation,&nbsp;Inc.,&nbsp;51&nbsp;Franklin&nbsp;Street,&nbsp;Fifth&nbsp;Floor,&nbsp;Boston,&nbsp;MA&nbsp;&nbsp;02110-1301,&nbsp;USA.
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019&nbsp;&nbsp;
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020&nbsp;&nbsp;(def&nbsp;get-pid
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021&nbsp;&nbsp;&nbsp;&nbsp;&quot;Get&nbsp;the&nbsp;process&nbsp;id&nbsp;of&nbsp;the&nbsp;current&nbsp;process.
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022&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
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023&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OK,&nbsp;this&nbsp;is&nbsp;hacky&nbsp;as&nbsp;fuck,&nbsp;but&nbsp;I&nbsp;hope&nbsp;it&nbsp;works.&nbsp;The&nbsp;problem&nbsp;is&nbsp;that&nbsp;the
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024&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;way&nbsp;to&nbsp;get&nbsp;the&nbsp;process&nbsp;id&nbsp;has&nbsp;changed&nbsp;several&nbsp;times&nbsp;during&nbsp;the&nbsp;history
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025&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of&nbsp;Java&nbsp;development,&nbsp;and&nbsp;the&nbsp;code&nbsp;for&nbsp;one&nbsp;version&nbsp;of&nbsp;Java&nbsp;won&#x27;t&nbsp;even&nbsp;compile
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026&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;in&nbsp;a&nbsp;different&nbsp;version.&quot;
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027&nbsp;&nbsp;&nbsp;&nbsp;(memoize
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028&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(fn&nbsp;[]
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029&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(let&nbsp;[java-version&nbsp;(read-string&nbsp;(apply&nbsp;str&nbsp;(take&nbsp;2
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030&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(split
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031&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(System&#x2F;getProperty&nbsp;&quot;java.version&quot;)
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032&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&quot;[_\.]&quot;))))
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033&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cmd&nbsp;(case&nbsp;java-version
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034&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;18&nbsp;&quot;(let&nbsp;[[_&nbsp;pid&nbsp;hostname]
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035&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(re-find
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036&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#\&quot;^(\\d+)@(.*)\&quot;
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037&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(.getName
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038&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(java.lang.management.ManagementFactory&#x2F;getRuntimeMXBean)))]
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039&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pid)&quot;
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040&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(19&nbsp;110)&nbsp;&quot;(.pid&nbsp;(java.lang.ProcessHandle&#x2F;current))&quot;
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041&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;111&nbsp;&quot;(.getPid&nbsp;(java.lang.management.ManagementFactory&#x2F;getRuntimeMXBean))&quot;
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042&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;:default&quot;)]
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043&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(eval&nbsp;(read-string&nbsp;cmd))))))
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044&nbsp;&nbsp;
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045&nbsp;&nbsp;(def&nbsp;get-hostname&nbsp;
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046&nbsp;&nbsp;&nbsp;&nbsp;&quot;return&nbsp;the&nbsp;hostname&nbsp;of&nbsp;the&nbsp;current&nbsp;host.
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047&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
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048&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Java&#x27;s&nbsp;methods&nbsp;for&nbsp;getting&nbsp;the&nbsp;hostname&nbsp;are&nbsp;quite&nbsp;startlingly&nbsp;slow,&nbsp;we
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049&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;do&nbsp;not&nbsp;want&nbsp;todo&nbsp;this&nbsp;repeatedly!&quot;
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050&nbsp;&nbsp;&nbsp;&nbsp;(memoize&nbsp;(fn&nbsp;[]&nbsp;(..&nbsp;java.net.InetAddress&nbsp;getLocalHost&nbsp;getHostName))))
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