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Mark Nellemann 2021-04-25 15:25:20 +02:00
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.gitattributes vendored Normal file
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#
# https://help.github.com/articles/dealing-with-line-endings/
#
# These are explicitly windows files and should use crlf
*.bat text eol=crlf

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# Ignore Gradle project-specific cache directory
.gradle
.idea
# Ignore Gradle build output directory
build

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README.md Normal file
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# System Monitor
... or some better name.
## Agent
Runs on your host and collects metrics. Metrics are aggregated and sent to central *collector*.
Metrics are currently processor, memory and disk usage statistics.
## TODO: Collector
Receives aggregated measurements from agents and saves metrics info InfluxDB.

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agent/build.gradle Normal file
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/*
* This file was generated by the Gradle 'init' task.
*
* This generated file contains a sample Java application project to get you started.
* For more details take a look at the 'Building Java & JVM projects' chapter in the Gradle
* User Manual available at https://docs.gradle.org/7.0/userguide/building_java_projects.html
*/
plugins {
id 'groovy'
id 'application'
}
repositories {
// Use Maven Central for resolving dependencies.
mavenCentral()
}
dependencies {
testImplementation 'org.codehaus.groovy:groovy:3.0.7'
testImplementation 'org.spockframework:spock-core:2.0-M4-groovy-3.0'
testImplementation 'junit:junit:4.13.1'
testImplementation 'org.slf4j:slf4j-api:1.7.30'
testImplementation project(':shared')
implementation project(':shared')
implementation 'org.slf4j:slf4j-api:1.7.30'
implementation 'org.slf4j:slf4j-simple:1.7.30'
// https://mvnrepository.com/artifact/org.apache.camel/camel-core
implementation group: 'org.apache.camel', name: 'camel-core', version: '3.7.3'
implementation group: 'org.apache.camel', name: 'camel-main', version: '3.7.3'
implementation group: 'org.apache.camel', name: 'camel-bean', version: '3.7.3'
implementation group: 'org.apache.camel', name: 'camel-timer', version: '3.7.3'
implementation group: 'org.apache.camel', name: 'camel-stream', version: '3.7.3'
}
application {
// Define the main class for the application.
mainClass = 'org.sysmon.agent.Application'
}
tasks.named('test') {
// Use junit platform for unit tests.
useJUnitPlatform()
}

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agent/src/main/java/org/sysmon/agent/Application.java Normal file
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/*
* This Java source file was generated by the Gradle 'init' task.
*/
package org.sysmon.agent;
import org.apache.camel.main.Main;
public class Application {
public static void main(String[] args) {
// use Camels Main class
Main main = new Main();
// and add the routes (you can specify multiple classes)
main.configure().addRoutesBuilder(MyRouteBuilder.class);
// now keep the application running until the JVM is terminated (ctrl + c or sigterm)
try {
main.run(args);
} catch(Exception e) {
System.err.println(e.getMessage());
}
}
}

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agent/src/main/java/org/sysmon/agent/MetricProcessor.java Normal file
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package org.sysmon.agent;
import org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sysmon.shared.MetricResult;
public class MetricProcessor implements Processor {
private final static Logger log = LoggerFactory.getLogger(MetricProcessor.class);
public void process(Exchange exchange) throws Exception {
MetricResult payload = exchange.getIn().getBody(MetricResult.class);
log.info(payload.toString());
// do something with the payload and/or exchange here
//exchange.getIn().setBody("Changed body");
// do something...
}
}

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agent/src/main/java/org/sysmon/agent/MyRouteBuilder.java Normal file
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package org.sysmon.agent;
import org.apache.camel.builder.RouteBuilder;
public class MyRouteBuilder extends RouteBuilder {
@Override
public void configure() throws Exception {
// Setup metrics measurement beans
// TODO: Discover beans on classpath and setup accordingly
from("timer:collect?period=5000")
.bean("memoryBean", "getMetrics")
.to("seda:metrics");
from("timer:collect?period=5000")
.bean("processorBean", "getMetrics")
.to("seda:metrics");
from("timer:collect?period=5000")
.bean("diskBean", "getMetrics")
.to("seda:metrics");
// TODO: Somehow combine all results in a format suitable for sending to REST endpoint
from("seda:metrics").process("metricProcessor");
// Could we store the last n results from each bean, and send mean value to the REST endpoint?
}
}

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agent/src/main/java/org/sysmon/agent/beans/DiskBean.java Normal file
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package org.sysmon.agent.beans;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import org.apache.camel.spi.Configurer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sysmon.shared.MetricBean;
import org.sysmon.shared.MetricMeasurement;
import org.sysmon.shared.MetricResult;
@Configurer
public class DiskBean implements MetricBean {
private final static Logger log = LoggerFactory.getLogger(DiskBean.class);
private List<LinuxDiskStat> currentDiskStats;
private List<LinuxDiskStat> previousDiskStats;
@Override
public MetricResult getMetrics() {
MetricResult result = new MetricResult("disk");
try {
copyCurrentValues();
readProcFile();
result.setMeasurementList(calculate());
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
private void readProcFile() throws IOException {
currentDiskStats = new ArrayList<>();
List<String> allLines = Files.readAllLines(Paths.get("/proc/diskstats"), StandardCharsets.UTF_8);
for(String line : allLines) {
currentDiskStats.add(new LinuxDiskStat(line));
}
}
private void copyCurrentValues() {
if(currentDiskStats != null && currentDiskStats.size() > 0) {
previousDiskStats = new ArrayList<>(currentDiskStats);
}
}
private List<MetricMeasurement> calculate() {
List<MetricMeasurement> measurementList = new ArrayList<>();
if(previousDiskStats == null || previousDiskStats.size() != currentDiskStats.size()) {
return measurementList;
}
for(int i = 0; i < currentDiskStats.size(); i++) {
LinuxDiskStat curStat = currentDiskStats.get(i);
LinuxDiskStat preStat = previousDiskStats.get(i);
if(curStat.device.startsWith("loop")) {
continue;
}
// TODO: Calculate differences for wanted disk io stats
measurementList.add(new MetricMeasurement(curStat.getDevice(), 0));
}
return measurementList;
}
public static class LinuxDiskStat {
/*
== ===================================
1 major number
2 minor mumber
3 device name
4 reads completed successfully
5 reads merged
6 sectors read
7 time spent reading (ms)
8 writes completed
9 writes merged
10 sectors written
11 time spent writing (ms)
12 I/Os currently in progress
13 time spent doing I/Os (ms)
14 weighted time spent doing I/Os (ms)
== ===================================
Kernel 4.18+ appends four more fields for discard
tracking putting the total at 18:
== ===================================
15 discards completed successfully
16 discards merged
17 sectors discarded
18 time spent discarding
== ===================================
Kernel 5.5+ appends two more fields for flush requests:
== =====================================
19 flush requests completed successfully
20 time spent flushing
== =====================================
*/
private final int major;
private final int minor;
private final String device; // device name
private final Long readsCompleted; // successfully
private final Long readsMerged;
private final Long sectorsRead; // 512 bytes pr. sector
private final Long timeSpentReading; // ms
private final Long writesCompleted; // successfully
private final Long writesMerged;
private final Long sectorsWritten; // 512 bytes pr. sector
private final Long timeSpentWriting; // ms
private final Long ioInProgress;
private final Long timeSpentOnIo; // ms
private final Long timeSpentOnIoWeighted;
private final Long discardsCompleted; // successfully
private final Long discardsMerged;
private final Long sectorsDiscarded; // 512 bytes pr. sector
private final Long timeSpentDiscarding; // ms
private final Long flushRequestsCompleted;
private final Long timeSpentFlushing; // ms
LinuxDiskStat(String procString) {
String[] splitStr = procString.trim().split("\\s+");
if(splitStr.length < 14) {
throw new UnsupportedOperationException("Linux proc DISK string error: " + procString);
}
this.major = Integer.parseInt(splitStr[0]);
this.minor = Integer.parseInt(splitStr[1]);
this.device = splitStr[2];
this.readsCompleted = Long.parseLong(splitStr[3]);
this.readsMerged = Long.parseLong(splitStr[4]);
this.sectorsRead = Long.parseLong(splitStr[5]);
this.timeSpentReading = Long.parseLong(splitStr[6]);
this.writesCompleted = Long.parseLong(splitStr[7]);
this.writesMerged = Long.parseLong(splitStr[8]);
this.sectorsWritten = Long.parseLong(splitStr[9]);
this.timeSpentWriting = Long.parseLong(splitStr[10]);
this.ioInProgress = Long.parseLong(splitStr[11]);
this.timeSpentOnIo = Long.parseLong(splitStr[12]);
this.timeSpentOnIoWeighted = Long.parseLong(splitStr[13]);
if(splitStr.length >= 18) {
this.discardsCompleted = Long.parseLong(splitStr[10]);
this.discardsMerged = Long.parseLong(splitStr[11]);
this.sectorsDiscarded = Long.parseLong(splitStr[12]);
this.timeSpentDiscarding = Long.parseLong(splitStr[13]);
} else {
this.discardsCompleted = null;
this.discardsMerged = null;
this.sectorsDiscarded = null;
this.timeSpentDiscarding = null;
}
if(splitStr.length == 20) {
this.flushRequestsCompleted = Long.parseLong(splitStr[14]);
this.timeSpentFlushing = Long.parseLong(splitStr[15]);
} else {
this.flushRequestsCompleted = null;
this.timeSpentFlushing = null;
}
}
public String getDevice() {
return device;
}
}
}

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agent/src/main/java/org/sysmon/agent/beans/MemoryBean.java Normal file
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package org.sysmon.agent.beans;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.camel.spi.Configurer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sysmon.shared.MetricBean;
import org.sysmon.shared.MetricMeasurement;
import org.sysmon.shared.MetricResult;
@Configurer
public class MemoryBean implements MetricBean {
private final static Logger log = LoggerFactory.getLogger(MemoryBean.class);
private final Pattern pattern = Pattern.compile("^([a-zA-Z]+):\\s+(\\d+)\\s+");
@Override
public MetricResult getMetrics() {
MetricResult result = new MetricResult("memory");
try {
result.setMeasurementList(readProcFile());
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
private List<MetricMeasurement> readProcFile() throws IOException {
List<MetricMeasurement> measurementList = new ArrayList<>();
List<String> allLines = Files.readAllLines(Paths.get("/proc/meminfo"), StandardCharsets.UTF_8);
for(String line : allLines) {
if(line.startsWith("Mem")) {
Matcher matcher = pattern.matcher(line);
if(matcher.find() && matcher.groupCount() == 2) {
measurementList.add(new MetricMeasurement(matcher.group(1), matcher.group(2)));
}
}
}
return measurementList;
}
}

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agent/src/main/java/org/sysmon/agent/beans/ProcessorBean.java Normal file
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package org.sysmon.agent.beans;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import org.apache.camel.spi.Configurer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.sysmon.shared.MetricBean;
import org.sysmon.shared.MetricMeasurement;
import org.sysmon.shared.MetricResult;
@Configurer
public class ProcessorBean implements MetricBean {
private final static Logger log = LoggerFactory.getLogger(ProcessorBean.class);
private List<LinuxProcessorStat> currentProcessorStats;
private List<LinuxProcessorStat> previousProcessorStats;
@Override
public MetricResult getMetrics() {
MetricResult result = new MetricResult("processor");
try {
copyCurrentValues();
readProcFile();
result.setMeasurementList(calculate());
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
private void readProcFile() throws IOException {
currentProcessorStats = new ArrayList<>();
List<String> allLines = Files.readAllLines(Paths.get("/proc/stat"), StandardCharsets.UTF_8);
for(String line : allLines) {
if(line.startsWith("cpu")) {
log.debug(line);
currentProcessorStats.add(new LinuxProcessorStat(line));
}
}
}
private void copyCurrentValues() {
if(currentProcessorStats != null && currentProcessorStats.size() > 0) {
previousProcessorStats = new ArrayList<>(currentProcessorStats);
}
}
private List<MetricMeasurement> calculate() {
List<MetricMeasurement> measurementList = new ArrayList<>();
if(previousProcessorStats == null || previousProcessorStats.size() != currentProcessorStats.size()) {
return measurementList;
}
for(int i = 0; i < currentProcessorStats.size(); i++) {
LinuxProcessorStat curStat = currentProcessorStats.get(i);
LinuxProcessorStat preStat = previousProcessorStats.get(i);
long workTimeDiff = curStat.getCombinedTime() - preStat.getCombinedTime();
long idleTimeDiff = curStat.getCombinedIdleTime() - preStat.getCombinedIdleTime();
float percentUsage = (float) (workTimeDiff - idleTimeDiff) / workTimeDiff;
Integer pct = (int) (percentUsage * 100);
measurementList.add(new MetricMeasurement(curStat.getCpuName(), pct));
}
return measurementList;
}
public static class LinuxProcessorStat {
private final String cpuName;
private final Long userTime;
private final Long niceTime;
private final Long systemTime;
private final Long idleTime;
private final Long ioWaitTime;
private final Long irqTime;
private final Long softIrqTime;
private final Long stealTime;
private final Long guestTime;
private final Long guestNiceTime;
LinuxProcessorStat(String procString) {
String[] splitStr = procString.trim().split("\\s+");
if(splitStr.length != 11) {
throw new UnsupportedOperationException("Linux proc CPU string error: " + procString);
}
this.cpuName = splitStr[0];
this.userTime = Long.parseLong(splitStr[1]);
this.niceTime = Long.parseLong(splitStr[2]);
this.systemTime = Long.parseLong(splitStr[3]);
this.idleTime = Long.parseLong(splitStr[4]);
this.ioWaitTime = Long.parseLong(splitStr[5]);
this.irqTime = Long.parseLong(splitStr[6]);
this.softIrqTime = Long.parseLong(splitStr[7]);
this.stealTime = Long.parseLong(splitStr[8]);
this.guestTime = Long.parseLong(splitStr[9]);
this.guestNiceTime = Long.parseLong(splitStr[10]);
}
public String getCpuName() {
return cpuName;
}
public Long getUserTime() {
return userTime;
}
public Long getNiceTime() {
return niceTime;
}
public Long getSystemTime() {
return systemTime;
}
public Long getIdleTime() {
return idleTime;
}
public Long getIoWaitTime() {
return ioWaitTime;
}
public Long getIrqTime() {
return irqTime;
}
public Long getSoftIrqTime() {
return softIrqTime;
}
public Long getStealTime() {
return stealTime;
}
public Long getGuestTime() {
return guestTime;
}
public Long getGuestNiceTime() {
return guestNiceTime;
}
public Long getCombinedIdleTime() {
return idleTime + ioWaitTime;
}
public Long getCombinedWorkTime() {
return userTime + niceTime + systemTime + irqTime + softIrqTime + stealTime + guestTime + guestNiceTime;
}
public Long getCombinedTime() {
return getCombinedIdleTime() + getCombinedWorkTime();
}
}
}

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## ---------------------------------------------------------------------------
## Licensed to the Apache Software Foundation (ASF) under one or more
## contributor license agreements. See the NOTICE file distributed with
## this work for additional information regarding copyright ownership.
## The ASF licenses this file to You under the Apache License, Version 2.0
## (the "License"); you may not use this file except in compliance with
## the License. You may obtain a copy of the License at
##
## http://www.apache.org/licenses/LICENSE-2.0
##
## Unless required by applicable law or agreed to in writing, software
## distributed under the License is distributed on an "AS IS" BASIS,
## WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
## See the License for the specific language governing permissions and
## limitations under the License.
## ---------------------------------------------------------------------------
# to configure camel main
# here you can configure options on camel main (see MainConfigurationProperties class)
camel.main.name = SysMonAgent
# enable tracing
### camel.main.tracing = true
# bean introspection to log reflection based configuration
camel.main.beanIntrospectionExtendedStatistics=true
camel.main.beanIntrospectionLoggingLevel=INFO
# run in lightweight mode to be tiny as possible
camel.main.lightweight = true
# and eager load classes
#camel.main.eager-classloading = true
# use object pooling to reduce JVM garbage collection
#camel.main.exchange-factory = pooled
#camel.main.exchange-factory-statistics-enabled = true
# can be used to not start the route
# camel.main.auto-startup = false
# configure beans
camel.beans.metricProcessor = #class:org.sysmon.agent.MetricProcessor
camel.beans.diskBean = #class:org.sysmon.agent.beans.DiskBean
camel.beans.memoryBean = #class:org.sysmon.agent.beans.MemoryBean
camel.beans.processorBean = #class:org.sysmon.agent.beans.ProcessorBean

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agent/src/test/groovy/org/sysmon/test/AppTest.groovy Normal file
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/*
* This Spock specification was generated by the Gradle 'init' task.
*/
package org.sysmon.test
import spock.lang.Specification
class AppTest extends Specification {
}

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-7.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

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#!/usr/bin/env sh
#
# Copyright 2015 the original author or authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin or MSYS, switch paths to Windows format before running java
if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=`expr $i + 1`
done
case $i in
0) set -- ;;
1) set -- "$args0" ;;
2) set -- "$args0" "$args1" ;;
3) set -- "$args0" "$args1" "$args2" ;;
4) set -- "$args0" "$args1" "$args2" "$args3" ;;
5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=`save "$@"`
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
exec "$JAVACMD" "$@"

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@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

11
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/*
* This file was generated by the Gradle 'init' task.
*
* The settings file is used to specify which projects to include in your build.
*
* Detailed information about configuring a multi-project build in Gradle can be found
* in the user manual at https://docs.gradle.org/7.0/userguide/multi_project_builds.html
*/
rootProject.name = 'sysmon'
include('shared', 'agent')

33
shared/build.gradle Normal file
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/*
* This file was generated by the Gradle 'init' task.
*
* This generated file contains a sample Java application project to get you started.
* For more details take a look at the 'Building Java & JVM projects' chapter in the Gradle
* User Manual available at https://docs.gradle.org/7.0/userguide/building_java_projects.html
*/
plugins {
id 'groovy'
id 'java-library'
}
repositories {
// Use Maven Central for resolving dependencies.
mavenCentral()
}
dependencies {
testImplementation 'org.codehaus.groovy:groovy:3.0.7'
testImplementation 'org.spockframework:spock-core:2.0-M4-groovy-3.0'
testImplementation 'junit:junit:4.13.1'
testImplementation 'org.slf4j:slf4j-api:1.7.30'
implementation 'org.slf4j:slf4j-api:1.7.30'
implementation 'org.slf4j:slf4j-simple:1.7.30'
}
tasks.named('test') {
// Use junit platform for unit tests.
useJUnitPlatform()
}

7
shared/src/main/java/org/sysmon/shared/MetricBean.java Normal file
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package org.sysmon.shared;
public interface MetricBean {
public MetricResult getMetrics();
}

17
shared/src/main/java/org/sysmon/shared/MetricMeasurement.java Normal file
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package org.sysmon.shared;
public class MetricMeasurement {
private String name;
private Object value;
public MetricMeasurement(String name, Object value) {
this.name = name;
this.value = value;
}
public String toString() {
return String.format("%s: %s", name, value);
}
}

31
shared/src/main/java/org/sysmon/shared/MetricResult.java Normal file
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package org.sysmon.shared;
import java.time.Instant;
import java.util.List;
public class MetricResult {
private final String name;
private final Instant timestamp;
private List<MetricMeasurement> measurementList;
public MetricResult(String name) {
this.name = name;
this.timestamp = Instant.now();
}
public void setMeasurementList(List<MetricMeasurement> measurementList) {
this.measurementList = measurementList;
}
public String toString() {
StringBuilder sb = new StringBuilder(name).append("\n");
for(MetricMeasurement mm : measurementList) {
sb.append(mm.toString()).append("\n");
}
return sb.toString();
}
}