ChromaGaming/ButtonServerRunner
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Using JLine for prompt

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This commit is contained in:
Norbi Peti 2016-08-26 20:03:37 +02:00
parent 176ccf92a9
commit 8270c7396d
3 changed files with 64 additions and 36 deletions
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5
pom.xml
View file

@ -18,5 +18,10 @@
</plugins>
</build>
<dependencies>
<dependency>
<groupId>jline</groupId>
<artifactId>jline</artifactId>
<version>2.12</version>
</dependency>
</dependencies>
</project>

7
src/buttondevteam/serverrunner/ServerMain.java
View file

@ -1,7 +0,0 @@
package buttondevteam.serverrunner;
import org.bukkit.craftbukkit.Main;
public class ServerMain extends Main {
}

88
src/buttondevteam/serverrunner/ServerRunner.java
View file

@ -6,8 +6,8 @@ import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import org.bukkit.configuration.ConfigurationSection;
import org.bukkit.configuration.file.YamlConfiguration;
import jline.console.ConsoleReader;
import jline.console.CursorBuffer;
public class ServerRunner {
private static final int RESTART_MESSAGE_COUNT = 30;
@ -17,8 +17,10 @@ public class ServerRunner {
private static volatile boolean stop = false;
private static volatile int restartcounter = RESTART_MESSAGE_COUNT;
private static volatile Process serverprocess;
private static volatile PrintWriter output;
private static volatile PrintWriter serveroutput;
private static volatile Thread rt;
private static volatile ConsoleReader reader;
private static volatile PrintWriter runnerout;
public static void main(String[] args) throws IOException, InterruptedException {
String minmem = "512M";
@ -45,32 +47,33 @@ public class ServerRunner {
}
final String fminmem = minmem;
final String fmaxmem = maxmem;
System.out.println("Starting server...");
reader = new ConsoleReader();
reader.setPrompt("Runner>");
runnerout = new PrintWriter(reader.getOutput());
writeToScreen("Starting server...");
serverprocess = startServer(minmem, maxmem);
output = new PrintWriter(serverprocess.getOutputStream());
serveroutput = new PrintWriter(serverprocess.getOutputStream());
rt = Thread.currentThread();
final Thread it = new Thread() {
@Override
public void run() {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
try {
while (!stop) {
String readLine = br.readLine();
String readLine;
while (!stop && (readLine = reader.readLine()) != null) {
/*
* if (readLine.equalsIgnoreCase("restart")) output.println("stop"); else {
*/
if (readLine.equalsIgnoreCase("stop"))
ServerRunner.stop();
output.println(readLine);
System.out.println("Read line: " + readLine);
serveroutput.println(readLine);
// } // TODO: RunnerStates, stop Input- and OutputThread and restart them after backup?
output.flush();
serveroutput.flush();
}
} catch (IOException e) {
e.printStackTrace();
}
ServerRunner.stop();
System.out.println("Stopped " + Thread.currentThread().getName());
writeToScreen("Stopped " + Thread.currentThread().getName());
}
};
it.setName("InputThread");
@ -79,38 +82,39 @@ public class ServerRunner {
@Override
public void run() {
try {
BufferedReader input = new BufferedReader(new InputStreamReader(serverprocess.getInputStream()));
BufferedReader serverinput = new BufferedReader(
new InputStreamReader(serverprocess.getInputStream()));
String line;
while (true) {
if ((line = input.readLine()) != null) {
System.out.println(line);
if ((line = serverinput.readLine()) != null) {
writeToScreen(line);
if (line.contains("FAILED TO BIND TO PORT")) {
ServerRunner.stop();
System.out.println("A server is already running!");
writeToScreen("A server is already running!");
}
} else if (!stop) {
try {
input.close();
serverinput.close();
} catch (Exception e) {
}
try {
output.close();
serveroutput.close();
} catch (Exception e) {
}
System.out.println("Server stopped! Restarting...");
writeToScreen("Server stopped! Restarting...");
serverprocess = startServer(fminmem, fmaxmem);
input = new BufferedReader(new InputStreamReader(serverprocess.getInputStream()));
output = new PrintWriter(serverprocess.getOutputStream());
serverinput = new BufferedReader(new InputStreamReader(serverprocess.getInputStream()));
serveroutput = new PrintWriter(serverprocess.getOutputStream());
restartcounter = RESTART_MESSAGE_COUNT;
} else
break;
}
input.close();
serverinput.close();
} catch (IOException e) {
e.printStackTrace();
}
ServerRunner.stop();
System.out.println("Stopped " + Thread.currentThread().getName());
writeToScreen("Stopped " + Thread.currentThread().getName());
}
}; // TODO: Rename start.sh and put empty one
ot.setName("OutputThread");
@ -123,19 +127,19 @@ public class ServerRunner {
Thread.sleep(24 * 60 * 60 * 1000);
// Thread.sleep(10000);
else if (restartcounter > 0) {
sendMessage(output, "red", "-- Server restarting in " + restartcounter + " seconds!");
sendMessage(serveroutput, "red", "-- Server restarting in " + restartcounter + " seconds!");
Thread.sleep(1000); // TODO: Change to bossbar? (plugin)
} else {
System.out.println("Stopping server for restart...");
output.println("restart");
output.flush();
writeToScreen("Stopping server for restart...");
serveroutput.println("restart");
serveroutput.flush();
}
restartcounter--;
}
} catch (InterruptedException e) { // The while checks if stop is true and then stops
}
}
System.out.println("Stopped " + Thread.currentThread().getName());
writeToScreen("Stopped " + Thread.currentThread().getName());
}
private static Process startServer(String minmem, String maxmem) throws IOException {
@ -146,11 +150,37 @@ public class ServerRunner {
private static void sendMessage(PrintWriter output, String color, String text) {
output.println("tellraw @a {\"text\":\"" + text + "\",\"color\":\"" + color + "\"}");
output.flush();
System.out.println(text);
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
}
}
}