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AutoRun.java
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143 lines (123 loc) · 4.18 KB
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/*
* Copyright (c) 2010 SimpleServer authors (see CONTRIBUTORS)
*
* 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.
*/
package simpleserver.thread;
import static simpleserver.lang.Translations.t;
import static simpleserver.util.Util.*;
import java.io.IOException;
import java.io.InputStream;
import simpleserver.Server;
public class AutoRun {
private static final long MILLISECONDS_PER_MINUTE = 1000 * 60;
private final Server server;
private final String command;
private final Runner runner;
private long lastRun;
private volatile boolean run = true;
public AutoRun(Server server, String command) {
this.server = server;
this.command = command;
lastRun = System.currentTimeMillis();
runner = new Runner();
runner.start();
runner.setName("AutoRun");
}
public void stop() {
run = false;
runner.interrupt();
}
private boolean needsRun() {
long maxAge = System.currentTimeMillis() - MILLISECONDS_PER_MINUTE
* server.options.getInt("c10tMins");
return server.options.contains("c10tArgs") && maxAge > lastRun
&& server.numPlayers() > 0;
}
private static final class OutputConsumer extends Thread {
private final InputStream in;
private OutputConsumer(InputStream in) {
this.in = in;
}
@Override
public void run() {
byte[] buf = new byte[256];
try {
while (in.read(buf) >= 0) {
}
} catch (IOException e) {
}
}
}
private final class Runner extends Thread {
@Override
public void run() {
while (run) {
if (needsRun()) {
try {
server.saveLock.acquire();
} catch (InterruptedException e) {
continue;
}
server.runCommand("say", t("Mapping Server!"));
server.runCommand("save-off", null);
lastRun = System.currentTimeMillis();
try {
Process process;
try {
process = Runtime.getRuntime().exec(command);
} catch (IOException e) {
server.runCommand("say", t("Mapping Failed!"));
println(e);
println("Cron Failed! Bad Command!");
server.errorLog(e, "AutoRun Failure");
continue;
}
new OutputConsumer(process.getInputStream()).start();
new OutputConsumer(process.getErrorStream()).start();
int exitCode;
while (true) {
try {
exitCode = process.waitFor();
break;
} catch (InterruptedException e) {
if (!run) {
process.destroy();
}
}
}
if (exitCode < 0) {
println("c10t Failed! Exited with code "
+ exitCode + "!");
server.runCommand("say", t("Mapping Failed!"));
} else {
server.runCommand("say", t("Mapping Complete!"));
}
} finally {
server.runCommand("save-on", null);
server.saveLock.release();
}
}
try {
Thread.sleep(60000);
} catch (InterruptedException e) {
}
}
}
}
}