ChromaGaming/ButtonServerRunner
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Add support for custom server jars

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Norbi Peti 2019-08-22 16:07:32 +02:00
parent 2dac8eb9f5
commit 8310e0889b
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GPG key ID: DBA4C4549A927E56
11 changed files with 361 additions and 284 deletions
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2
.idea/.gitignore vendored Normal file
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@ -0,0 +1,2 @@
# Default ignored files
/workspace.xml

15
.idea/ButtonServerRunner.iml Normal file
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@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
<output url="file://$MODULE_DIR$/target/classes" />
<output-test url="file://$MODULE_DIR$/target/test-classes" />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="Maven: jline:jline:2.12" level="project" />
<orderEntry type="library" name="Maven: org.yaml:snakeyaml:1.21" level="project" />
</component>
</module>

4
.idea/encodings.xml Normal file
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@ -0,0 +1,4 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Encoding" addBOMForNewFiles="with NO BOM" />
</project>

11
.idea/inspectionProfiles/Project_Default.xml Normal file
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@ -0,0 +1,11 @@
<component name="InspectionProjectProfileManager">
<profile version="1.0">
<option name="myName" value="Project Default" />
<inspection_tool class="WeakerAccess" enabled="true" level="WARNING" enabled_by_default="true">
<option name="SUGGEST_PACKAGE_LOCAL_FOR_MEMBERS" value="false" />
<option name="SUGGEST_PACKAGE_LOCAL_FOR_TOP_CLASSES" value="false" />
<option name="SUGGEST_PRIVATE_FOR_INNERS" value="false" />
<disabledExtension id="moduleInfo" />
</inspection_tool>
</profile>
</component>

13
.idea/libraries/Maven__org_yaml_snakeyaml_1_21.xml Normal file
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@ -0,0 +1,13 @@
<component name="libraryTable">
<library name="Maven: org.yaml:snakeyaml:1.21">
<CLASSES>
<root url="jar://$MAVEN_REPOSITORY$/org/yaml/snakeyaml/1.21/snakeyaml-1.21.jar!/" />
</CLASSES>
<JAVADOC>
<root url="jar://$MAVEN_REPOSITORY$/org/yaml/snakeyaml/1.21/snakeyaml-1.21-javadoc.jar!/" />
</JAVADOC>
<SOURCES>
<root url="jar://$MAVEN_REPOSITORY$/org/yaml/snakeyaml/1.21/snakeyaml-1.21-sources.jar!/" />
</SOURCES>
</library>
</component>

3
.idea/markdown-navigator/profiles_settings.xml Normal file
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@ -0,0 +1,3 @@
<component name="MarkdownNavigator.ProfileManager">
<settings default="" pdf-export="" />
</component>

8
.idea/modules.xml Normal file
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@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/MCServerRunner.iml" filepath="$PROJECT_DIR$/MCServerRunner.iml" />
</modules>
</component>
</project>

15
MCServerRunner.iml Normal file
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@ -0,0 +1,15 @@
<?xml version="1.0" encoding="UTF-8"?>
<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
<output url="file://$MODULE_DIR$/target/classes" />
<output-test url="file://$MODULE_DIR$/target/test-classes" />
<content url="file://$MODULE_DIR$">
<sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
<excludeFolder url="file://$MODULE_DIR$/target" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
<orderEntry type="library" name="Maven: jline:jline:2.12" level="project" />
<orderEntry type="library" name="Maven: org.yaml:snakeyaml:1.21" level="project" />
</component>
</module>

117
pom.xml
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@ -1,59 +1,60 @@
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ButtonDevTeam</groupId>
<artifactId>MCServerRunner</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>buttondevteam.serverrunner.ServerRunner</mainClass>
<classpathPrefix>ServerRunner_lib/</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>jline</groupId>
<artifactId>jline</artifactId>
<version>2.12</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.21</version>
</dependency>
</dependencies>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>ButtonDevTeam</groupId>
<artifactId>MCServerRunner</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<finalName>ServerRunner</finalName>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.5.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
<version>3.1.0</version>
<configuration>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<mainClass>buttondevteam.serverrunner.ServerRunner</mainClass>
<classpathPrefix>ServerRunner_lib/</classpathPrefix>
</manifest>
</archive>
</configuration>
</plugin>
<plugin>
<artifactId>maven-shade-plugin</artifactId>
<version>3.1.1</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>shade</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>jline</groupId>
<artifactId>jline</artifactId>
<version>2.12</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.yaml/snakeyaml -->
<dependency>
<groupId>org.yaml</groupId>
<artifactId>snakeyaml</artifactId>
<version>1.21</version>
</dependency>
</dependencies>
</project>

2
src/buttondevteam/serverrunner/Config.java
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@ -4,6 +4,7 @@ public class Config {
public String serverVersion;
public String serverParams;
public int restartAt;
public String customJar;
public Config(String serverVersion, String serverParams, int restartAt) {
this.serverVersion = serverVersion;
@ -14,5 +15,6 @@ public class Config {
this.serverVersion = "1.12.2";
this.serverParams = "-Djline.terminal=jline.UnixTerminal -Xms4G -Xmx6G";
this.restartAt = 12;
this.customJar = "";
}
}

455
src/buttondevteam/serverrunner/ServerRunner.java
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@ -1,226 +1,229 @@
package buttondevteam.serverrunner;
import jline.console.ConsoleReader;
import jline.console.CursorBuffer;
import org.yaml.snakeyaml.Yaml;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Calendar;
import java.util.Collections;
import java.util.TimeZone;
import java.util.regex.Pattern;
public class ServerRunner {
private static final int RESTART_MESSAGE_COUNT = 60;
private static final int interval = 24; // hours
private static volatile boolean stop = false;
private static int restartcounter = RESTART_MESSAGE_COUNT;
private static volatile Process serverprocess;
private static volatile PrintWriter serveroutput;
private static volatile Thread rt;
private static volatile ConsoleReader reader;
private static volatile PrintWriter runnerout;
private static volatile boolean customrestartfailed = false;
public static void main(String[] args) throws IOException {
Yaml yaml = new Yaml();
File f=new File("plugins/ServerRunner/config.yml");
f.getParentFile().mkdirs();
final Config config;
if(!f.exists())
Files.write(f.toPath(), Collections.singleton(yaml.dump(config = new Config())));
else
config=yaml.load(new FileInputStream(f));
if (!new File("spigot-" + config.serverVersion + ".jar").exists()) {
System.out.println("The server JAR for " + config.serverVersion + " cannot be found!");
return;
}
reader = new ConsoleReader();
reader.setPrompt("Runner>");
runnerout = new PrintWriter(reader.getOutput());
writeToScreen("Starting server...");
serverprocess = startServer(config);
serveroutput = new PrintWriter(serverprocess.getOutputStream());
rt = Thread.currentThread();
final Thread it = new Thread() {
@Override
public void run() {
try {
String readLine;
while (!stop) {
try {
if ((readLine = reader.readLine()) == null)
break;
if (readLine.equalsIgnoreCase("stop"))
ServerRunner.stop();
serveroutput.println(readLine);
serveroutput.flush();
} catch (Exception e) {
e.printStackTrace();
Thread.sleep(100); //Sleep a bit and keep going
}
}
} catch (InterruptedException e) {
e.printStackTrace();
}
ServerRunner.stop();
writeToScreen("Stopped " + Thread.currentThread().getName());
}
};
it.setName("InputThread");
it.start();
final Thread ot = new Thread() {
@Override
public void run() {
try {
BufferedReader serverinput = new BufferedReader(
new InputStreamReader(serverprocess.getInputStream(), StandardCharsets.UTF_8));
String line;
while (true) {
if ((line = serverinput.readLine()) != null) {
writeToScreen(line);
if (line.contains("FAILED TO BIND TO PORT")) {
ServerRunner.stop();
writeToScreen("A server is already running!");
}
if (Pattern.matches(
"\\[\\d\\d:\\d\\d:\\d\\d INFO]: Unknown command. Type \"/help\" for help.\\s+", line))
customrestartfailed = true;
} else if (!stop) {
try {
serverinput.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
serveroutput.close();
} catch (Exception e) {
e.printStackTrace();
}
writeToScreen("Server stopped! Restarting...");
serverprocess = startServer(config);
serverinput = new BufferedReader(new InputStreamReader(serverprocess.getInputStream()));
serveroutput = new PrintWriter(serverprocess.getOutputStream());
restartcounter = RESTART_MESSAGE_COUNT;
} else
break;
}
serverinput.close();
} catch (IOException e) {
e.printStackTrace();
}
ServerRunner.stop();
writeToScreen("Stopped " + Thread.currentThread().getName());
}
};
ot.setName("OutputThread");
ot.start();
Thread.currentThread().setName("RestarterThread");
long starttime = syncStart(config.restartAt);
System.out.println("Restart scheduled in " + starttime / 3600000f);
boolean firstrun = true;
while (!stop) {
try {
if (restartcounter >= 0) {
if (restartcounter == RESTART_MESSAGE_COUNT) {
if (firstrun) {
// writeToScreen("Sleeping for " + starttime);
Thread.sleep(starttime);
firstrun = false;
} else
Thread.sleep(interval * 3600000);
customrestartfailed = false;
serveroutput.println("schrestart");
serveroutput.flush();
} else if (restartcounter > 0) {
if (customrestartfailed) {
if (restartcounter % 10 == 0)
sendMessage(serveroutput, "red",
"-- Server restarting in " + restartcounter + " seconds!");
Thread.sleep(1000);
} else {
restartcounter = RESTART_MESSAGE_COUNT;
continue; // Don't decrement the counter so it will sleep the full time
}
} else {
Thread.sleep(500);
if (customrestartfailed) {
writeToScreen("Stopping server for restart...");
serveroutput.println("restart");
serveroutput.flush();
customrestartfailed = false;
}
Thread.sleep(5000); // Don't run needless cycles
}
restartcounter--;
}
} catch (InterruptedException e) { // The while checks if stop is true and then stops
}
}
writeToScreen("Stopped " + Thread.currentThread().getName());
}
private static Process startServer(Config config) throws IOException {
return Runtime.getRuntime().exec(("java "+config.serverParams+" -jar spigot-" + config.serverVersion + ".jar").split(" "));
}
private static void sendMessage(PrintWriter output, String color, String text) {
output.println("tellraw @a {\"text\":\"" + text + "\",\"color\":\"" + color + "\"}");
output.flush();
writeToScreen(text);
}
private static void stop() {
stop = true;
rt.interrupt(); // The restarter thread sleeps for a long time and keeps the program running
}
private static void writeToScreen(String line) {
stashLine();
runnerout.println(line);
unstashLine();
}
private static CursorBuffer stashed;
private static void stashLine() {
stashed = reader.getCursorBuffer().copy();
try {
reader.getOutput().write("\u001b[1G\u001b[K");
reader.flush();
} catch (IOException e) {
// ignore
}
}
private static void unstashLine() {
try {
reader.resetPromptLine(reader.getPrompt(), stashed.toString(), stashed.cursor);
} catch (IOException e) {
// ignore
}
}
private static double hoursOf(Calendar parsedTime) {
return parsedTime.get(Calendar.HOUR_OF_DAY) + parsedTime.get(Calendar.MINUTE) / 60.
+ parsedTime.get(Calendar.SECOND) / 3600.;
}
private static long syncStart(double startHour) { // Copied original code from SimpleBackup
double now = hoursOf(Calendar.getInstance(TimeZone.getTimeZone("GMT")));
double diff = now - startHour;
if (diff < 0) {
diff += 24;
}
double intervalPart = diff - Math.floor(diff / interval) * interval;
double remaining = interval - intervalPart;
return (long) (remaining * 3600000);
}
}
package buttondevteam.serverrunner;
import jline.console.ConsoleReader;
import jline.console.CursorBuffer;
import org.yaml.snakeyaml.Yaml;
import java.io.*;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.util.Calendar;
import java.util.Collections;
import java.util.TimeZone;
import java.util.regex.Pattern;
public class ServerRunner {
private static final int RESTART_MESSAGE_COUNT = 60;
private static final int interval = 24; // hours
private static volatile boolean stop = false;
private static int restartcounter = RESTART_MESSAGE_COUNT;
private static volatile Process serverprocess;
private static volatile PrintWriter serveroutput;
private static volatile Thread rt;
private static volatile ConsoleReader reader;
private static volatile PrintWriter runnerout;
private static volatile boolean customrestartfailed = false;
public static void main(String[] args) throws IOException {
Yaml yaml = new Yaml();
File f = new File("plugins/ServerRunner/config.yml");
f.getParentFile().mkdirs();
final Config config;
if (!f.exists())
Files.write(f.toPath(), Collections.singleton(yaml.dump(config = new Config())));
else
config = yaml.load(new FileInputStream(f));
final File serverJar = new File(config.customJar == null || config.customJar.length() == 0
? "spigot-" + config.serverVersion + ".jar"
: config.customJar);
if (!serverJar.exists()) {
System.out.println("The server JAR for " + config.serverVersion + " cannot be found!");
return;
}
reader = new ConsoleReader();
reader.setPrompt("Runner>");
runnerout = new PrintWriter(reader.getOutput());
writeToScreen("Starting server...");
serverprocess = startServer(config, serverJar);
serveroutput = new PrintWriter(serverprocess.getOutputStream());
rt = Thread.currentThread();
final Thread it = new Thread() {
@Override
public void run() {
try {
String readLine;
while (!stop) {
try {
if ((readLine = reader.readLine()) == null)
break;
if (readLine.equalsIgnoreCase("stop"))
ServerRunner.stop();
serveroutput.println(readLine);
serveroutput.flush();
} catch (Exception e) {
e.printStackTrace();
Thread.sleep(100); //Sleep a bit and keep going
}
}
} catch (InterruptedException e) {
e.printStackTrace();
}
ServerRunner.stop();
writeToScreen("Stopped " + Thread.currentThread().getName());
}
};
it.setName("InputThread");
it.start();
final Thread ot = new Thread() {
@Override
public void run() {
try {
BufferedReader serverinput = new BufferedReader(
new InputStreamReader(serverprocess.getInputStream(), StandardCharsets.UTF_8));
String line;
while (true) {
if ((line = serverinput.readLine()) != null) {
writeToScreen(line);
if (line.contains("FAILED TO BIND TO PORT")) {
ServerRunner.stop();
writeToScreen("A server is already running!");
}
if (Pattern.matches(
"\\[\\d\\d:\\d\\d:\\d\\d INFO]: Unknown command. Type \"/help\" for help.\\s+", line))
customrestartfailed = true;
} else if (!stop) {
try {
serverinput.close();
} catch (Exception e) {
e.printStackTrace();
}
try {
serveroutput.close();
} catch (Exception e) {
e.printStackTrace();
}
writeToScreen("Server stopped! Restarting...");
serverprocess = startServer(config, serverJar);
serverinput = new BufferedReader(new InputStreamReader(serverprocess.getInputStream()));
serveroutput = new PrintWriter(serverprocess.getOutputStream());
restartcounter = RESTART_MESSAGE_COUNT;
} else
break;
}
serverinput.close();
} catch (IOException e) {
e.printStackTrace();
}
ServerRunner.stop();
writeToScreen("Stopped " + Thread.currentThread().getName());
}
};
ot.setName("OutputThread");
ot.start();
Thread.currentThread().setName("RestarterThread");
long starttime = syncStart(config.restartAt);
System.out.println("Restart scheduled in " + starttime / 3600000f);
boolean firstrun = true;
while (!stop) {
try {
if (restartcounter >= 0) {
if (restartcounter == RESTART_MESSAGE_COUNT) {
if (firstrun) {
// writeToScreen("Sleeping for " + starttime);
Thread.sleep(starttime);
firstrun = false;
} else
Thread.sleep(interval * 3600000);
customrestartfailed = false;
serveroutput.println("schrestart");
serveroutput.flush();
} else if (restartcounter > 0) {
if (customrestartfailed) {
if (restartcounter % 10 == 0)
sendMessage(serveroutput, "red",
"-- Server restarting in " + restartcounter + " seconds!");
Thread.sleep(1000);
} else {
restartcounter = RESTART_MESSAGE_COUNT;
continue; // Don't decrement the counter so it will sleep the full time
}
} else {
Thread.sleep(500);
if (customrestartfailed) {
writeToScreen("Stopping server for restart...");
serveroutput.println("restart");
serveroutput.flush();
customrestartfailed = false;
}
Thread.sleep(5000); // Don't run needless cycles
}
restartcounter--;
}
} catch (InterruptedException e) { // The while checks if stop is true and then stops
}
}
writeToScreen("Stopped " + Thread.currentThread().getName());
}
private static Process startServer(Config config, File serverJar) throws IOException {
return Runtime.getRuntime().exec(new String[]{"java", config.serverParams, "-jar", serverJar.getPath()});
}
private static void sendMessage(PrintWriter output, String color, String text) {
output.println("tellraw @a {\"text\":\"" + text + "\",\"color\":\"" + color + "\"}");
output.flush();
writeToScreen(text);
}
private static void stop() {
stop = true;
rt.interrupt(); // The restarter thread sleeps for a long time and keeps the program running
}
private static void writeToScreen(String line) {
stashLine();
runnerout.println(line);
unstashLine();
}
private static CursorBuffer stashed;
private static void stashLine() {
stashed = reader.getCursorBuffer().copy();
try {
reader.getOutput().write("\u001b[1G\u001b[K");
reader.flush();
} catch (IOException e) {
// ignore
}
}
private static void unstashLine() {
try {
reader.resetPromptLine(reader.getPrompt(), stashed.toString(), stashed.cursor);
} catch (IOException e) {
// ignore
}
}
private static double hoursOf(Calendar parsedTime) {
return parsedTime.get(Calendar.HOUR_OF_DAY) + parsedTime.get(Calendar.MINUTE) / 60.
+ parsedTime.get(Calendar.SECOND) / 3600.;
}
private static long syncStart(double startHour) { // Copied original code from SimpleBackup
double now = hoursOf(Calendar.getInstance(TimeZone.getTimeZone("GMT")));
double diff = now - startHour;
if (diff < 0) {
diff += 24;
}
double intervalPart = diff - Math.floor(diff / interval) * interval;
double remaining = interval - intervalPart;
return (long) (remaining * 3600000);
}
}