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RuscalWorld 2021-05-24 19:20:19 +03:00
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.gitignore vendored Normal file
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# User-specific stuff
.idea/
*.iml
*.ipr
*.iws
# IntelliJ
out/
# mpeltonen/sbt-idea plugin
.idea_modules/
# JIRA plugin
atlassian-ide-plugin.xml
# Compiled class file
*.class
# Log file
*.log
# BlueJ files
*.ctxt
# Package Files #
*.jar
*.war
*.nar
*.ear
*.zip
*.tar.gz
*.rar
# virtual machine crash logs, see http://www.java.com/en/download/help/error_hotspot.xml
hs_err_pid*
*~
# temporary files which can be created if a process still has a handle open of a deleted file
.fuse_hidden*
# KDE directory preferences
.directory
# Linux trash folder which might appear on any partition or disk
.Trash-*
# .nfs files are created when an open file is removed but is still being accessed
.nfs*
# General
.DS_Store
.AppleDouble
.LSOverride
# Icon must end with two \r
Icon
# Thumbnails
._*
# Files that might appear in the root of a volume
.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns
.com.apple.timemachine.donotpresent
# Directories potentially created on remote AFP share
.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk
# Windows thumbnail cache files
Thumbs.db
Thumbs.db:encryptable
ehthumbs.db
ehthumbs_vista.db
# Dump file
*.stackdump
# Folder config file
[Dd]esktop.ini
# Recycle Bin used on file shares
$RECYCLE.BIN/
# Windows Installer files
*.cab
*.msi
*.msix
*.msm
*.msp
# Windows shortcuts
*.lnk
.gradle
build/
# Ignore Gradle GUI config
gradle-app.setting
# Cache of project
.gradletasknamecache
**/build/
# Common working directory
run/
# Avoid ignoring Gradle wrapper jar file (.jar files are usually ignored)
!gradle-wrapper.jar

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LICENSE Normal file
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The MIT License (MIT)
Copyright (c) 2021 RuscalWorld
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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build.gradle Normal file
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import net.fabricmc.loom.task.RemapJarTask
buildscript {
dependencies {
classpath 'com.github.jengelman.gradle.plugins:shadow:6.1.0'
}
}
plugins {
id 'com.github.johnrengelman.shadow' version '6.1.0'
id 'fabric-loom' version '0.6-SNAPSHOT'
id 'maven-publish'
}
repositories {
mavenCentral()
maven {
name = 'Bortexel'
url = 'https://maven.pkg.github.com/bortexel/bortexel4j'
credentials {
username = BortexelUsername
password = BortexelPassword
}
}
maven {
name = 'RuscalWorld'
url = 'https://maven.pkg.github.com/ruscalworld/storagelib'
credentials {
username = BortexelUsername
password = BortexelPassword
}
}
maven {
name 'm2-dv8tion'
url 'https://m2.dv8tion.net/releases'
}
maven {
url 'https://oss.sonatype.org/content/repositories/snapshots'
}
}
apply plugin: 'com.github.johnrengelman.shadow'
sourceCompatibility = JavaVersion.VERSION_1_8
targetCompatibility = JavaVersion.VERSION_1_8
archivesBaseName = project.archives_base_name
version = project.mod_version
group = project.maven_group
dependencies {
//to change the versions see the gradle.properties file
minecraft "com.mojang:minecraft:${project.minecraft_version}"
mappings "net.fabricmc:yarn:${project.yarn_mappings}:v2"
modImplementation "net.fabricmc:fabric-loader:${project.loader_version}"
// Fabric API. This is technically optional, but you probably want it anyway.
modImplementation "net.fabricmc.fabric-api:fabric-api:${project.fabric_version}"
// PSA: Some older mods, compiled on Loom 0.2.1, might have outdated Maven POMs.
// You may need to force-disable transitiveness on them.
compile "io.prometheus:simpleclient:${project.prometheus_version}"
compile "io.prometheus:simpleclient_httpserver:${project.prometheus_version}"
compileOnly "me.lucko:spark-api:0.1-SNAPSHOT"
}
processResources {
inputs.property "version", project.version
from(sourceSets.main.resources.srcDirs) {
include "fabric.mod.json"
expand "version": project.version
}
from(sourceSets.main.resources.srcDirs) {
exclude "fabric.mod.json"
}
}
// ensure that the encoding is set to UTF-8, no matter what the system default is
// this fixes some edge cases with special characters not displaying correctly
// see http://yodaconditions.net/blog/fix-for-java-file-encoding-problems-with-gradle.html
tasks.withType(JavaCompile) {
options.encoding = "UTF-8"
}
// Loom will automatically attach sourcesJar to a RemapSourcesJar task and to the "build" task
// if it is present.
// If you remove this task, sources will not be generated.
task sourcesJar(type: Jar, dependsOn: classes) {
classifier = "sources"
from sourceSets.main.allSource
}
jar {
from "LICENSE"
}
shadowJar {
archiveClassifier = "all-dev"
dependencies {
include dependency("io.prometheus:simpleclient:${project.prometheus_version}")
include dependency("io.prometheus:simpleclient_httpserver:${project.prometheus_version}")
}
}
task remapShadowJar(type: RemapJarTask, dependsOn: shadowJar) {
input = shadowJar.archiveFile
archiveFileName = shadowJar.archiveFileName.get().replaceAll("-dev\\.jar\$", ".jar")
addNestedDependencies = true
remapAccessWidener = true
}
assemble.dependsOn(remapShadowJar)

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gradle.properties Normal file
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# Done to increase the memory available to gradle.
org.gradle.jvmargs=-Xmx1G
# Fabric Properties
# check these on https://modmuss50.me/fabric.html
minecraft_version=1.16.5
yarn_mappings=1.16.5+build.9
loader_version=0.11.3
# Mod Properties
mod_version=1.0
maven_group=ru.ruscalworld
archives_base_name=fabricexporter
# Dependencies
# check this on https://modmuss50.me/fabric.html
fabric_version=0.25.1+build.416-1.16
prometheus_version=0.10.0

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distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5.1-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 init
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 init
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
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
: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 %CMD_LINE_ARGS%
: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

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settings.gradle Normal file
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pluginManagement {
repositories {
jcenter()
maven {
name = 'Fabric'
url = 'https://maven.fabricmc.net/'
}
gradlePluginPortal()
}
}

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src/main/java/ru/ruscalworld/fabricexporter/FabricExporter.java Normal file
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package ru.ruscalworld.fabricexporter;
import io.prometheus.client.exporter.HTTPServer;
import net.fabricmc.api.ModInitializer;
import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
import net.minecraft.server.MinecraftServer;
import ru.ruscalworld.fabricexporter.metrics.OnlinePlayers;
import java.io.IOException;
import java.util.Timer;
public class FabricExporter implements ModInitializer {
private MinecraftServer server;
@Override
public void onInitialize() {
ServerLifecycleEvents.SERVER_STARTED.register(this::setServer);
try {
HTTPServer httpServer = new HTTPServer(1337);
} catch (IOException e) {
e.printStackTrace();
}
MetricUpdater metricUpdater = new MetricUpdater(this);
metricUpdater.registerMetric(new OnlinePlayers());
Timer timer = new Timer();
timer.schedule(metricUpdater, 1000, 1000);
}
public static String getMetricName(String name) {
return "mc_" + name;
}
public MinecraftServer getServer() {
return server;
}
private void setServer(MinecraftServer server) {
this.server = server;
}
}

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src/main/java/ru/ruscalworld/fabricexporter/Metric.java Normal file
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package ru.ruscalworld.fabricexporter;
import io.prometheus.client.Gauge;
public abstract class Metric {
private final Gauge gauge;
public Metric(String name, String help) {
this.gauge = new Gauge.Builder().name("minecraft_" + name).help(help).create().register();
}
public abstract double getCurrentValue(FabricExporter exporter);
public Gauge getGauge() {
return gauge;
}
}

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src/main/java/ru/ruscalworld/fabricexporter/MetricUpdater.java Normal file
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package ru.ruscalworld.fabricexporter;
import java.util.ArrayList;
import java.util.List;
import java.util.TimerTask;
public class MetricUpdater extends TimerTask {
private final List<Metric> metrics = new ArrayList<>();
private final FabricExporter exporter;
public MetricUpdater(FabricExporter exporter) {
this.exporter = exporter;
}
@Override
public void run() {
for (Metric metric : this.getMetrics()) {
try {
metric.getGauge().set(metric.getCurrentValue(this.getExporter()));
} catch (Exception exception) {
exception.printStackTrace();
}
}
}
public void registerMetric(Metric metric) {
this.metrics.add(metric);
}
public FabricExporter getExporter() {
return exporter;
}
public List<Metric> getMetrics() {
return metrics;
}
}

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src/main/java/ru/ruscalworld/fabricexporter/metrics/OnlinePlayers.java Normal file
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package ru.ruscalworld.fabricexporter.metrics;
import ru.ruscalworld.fabricexporter.FabricExporter;
import ru.ruscalworld.fabricexporter.Metric;
public class OnlinePlayers extends Metric {
public OnlinePlayers() {
super("players_online", "Amount of currently online players on the server");
}
@Override
public double getCurrentValue(FabricExporter exporter) {
System.out.println(exporter.getServer().getCurrentPlayerCount());
return exporter.getServer().getCurrentPlayerCount();
}
}

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src/main/resources/fabric.mod.json Normal file
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{
"schemaVersion": 1,
"id": "fabricexporter",
"version": "${version}",
"name": "FabricExporter",
"description": "Mod that adds a Prometheus exporter with general metrics of your server",
"authors": [
"RuscalWorld"
],
"contact": {
"repo": "https://github.com/ruscalworld/fabricexporter"
},
"license": "MIT",
"environment": "server",
"entrypoints": {
"main": [
"ru.ruscalworld.fabricexporter.FabricExporter"
]
},
"mixins": [
"fabricexporter.mixins.json"
],
"depends": {
"fabricloader": ">=0.11.3",
"fabric": "*",
"minecraft": "1.16.5"
}
}

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src/main/resources/fabricexporter.mixins.json Normal file
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{
"required": true,
"minVersion": "0.8",
"package": "ru.ruscalworld.fabricexporter.mixin",
"compatibilityLevel": "JAVA_8",
"mixins": [
],
"client": [
],
"injectors": {
"defaultRequire": 1
}
}