Dereku/LegacyPing
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1.2. Просто проверки на работу.

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Dereku 2023-12-03 19:20:52 +07:00
parent 520e143a37
commit 34b6a5061d
2 changed files with 36 additions and 12 deletions
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46
src/main/java/net/rubeta/legacyping/ServerThread.java
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@ -27,13 +27,27 @@ public class ServerThread extends Thread {
this.serverSocket.setPerformancePreferences(0, 2, 1);
}
public ServerThread(final String host, int port) throws IOException {
this.minecraftServer = null;
this.setName("LegacyPing thread listening " + host + ":" + port);
final InetAddress address = InetAddress.getByName(host);
this.serverSocket = new ServerSocket(port, 10, address);
this.serverSocket.setSoTimeout((int) TimeUnit.SECONDS.toMillis(10L));
this.serverSocket.setPerformancePreferences(0, 2, 1);
}
public static void main(String[] args) throws IOException {
new ServerThread("", 25565).start();
}
@Override
public void run() {
this.working.set(true);
while (this.working.get() || !this.serverSocket.isClosed()) {
while (this.working.get() && !this.serverSocket.isClosed()) {
try {
final Socket socket = this.serverSocket.accept();
socket.setTrafficClass(SocketOptions.TCP_NODELAY & SocketOptions.IP_TOS);
System.out.println("[LegacyPing] Got new ping from " + socket.getRemoteSocketAddress());
final InputStream inputStream = socket.getInputStream();
final OutputStream outputStream = socket.getOutputStream();
final int firstByte = inputStream.read();
@ -49,7 +63,9 @@ public class ServerThread extends Thread {
}
outputStream.flush();
socket.close();
} catch (IOException ignore) {
} catch (SocketTimeoutException ignore) {
} catch (IOException ex) {
System.out.println("Exception caught: " + ex);
}
}
}
@ -66,9 +82,7 @@ public class ServerThread extends Thread {
final ByteArrayOutputStream result = new ByteArrayOutputStream();
final DataOutputStream dos = new DataOutputStream(result);
dos.write(255); // Packet 0xFF (PacketDisconnect)
final String response = ((CraftServer) this.minecraftServer).getServer().motd
+ '\u0000' + this.minecraftServer.getOnlinePlayers().length
+ '\u0000' + this.minecraftServer.getMaxPlayers();
final String response = this.getMotd() + '\u0000' + this.getOnlinePlayers() + '\u0000' + this.getMaxPlayers();
dos.writeShort(response.length());
for (char c : response.toCharArray()) {
dos.writeChar(c);
@ -83,9 +97,7 @@ public class ServerThread extends Thread {
private void responseForLegacyPing(final OutputStream outputStream) throws IOException {
final DataOutputStream clientOutput = new DataOutputStream(outputStream);
clientOutput.write(255);
final String response = ((CraftServer) this.minecraftServer).getServer().motd
+ '\u00a7' + this.minecraftServer.getOnlinePlayers().length
+ '\u00a7' + this.minecraftServer.getMaxPlayers();
final String response = this.getMotd() + '\u00a7' + this.getOnlinePlayers() + '\u00a7' + this.getMaxPlayers();
clientOutput.writeShort(response.length());
for (char c : response.toCharArray()) {
clientOutput.writeChar(c);
@ -94,9 +106,9 @@ public class ServerThread extends Thread {
}
private void responseForModernPing(final OutputStream outputStream) throws IOException {
final String responseJson = MODERN_RESPONSE.replace("%max%", String.valueOf(this.minecraftServer.getMaxPlayers()))
.replace("%now%", String.valueOf(this.minecraftServer.getOnlinePlayers().length))
.replace("%motd%", ((CraftServer) this.minecraftServer).getServer().motd);
final String responseJson = MODERN_RESPONSE.replace("%max%", String.valueOf(this.getMaxPlayers()))
.replace("%now%", String.valueOf(this.getOnlinePlayers()))
.replace("%motd%", this.getMotd());
byte[] bytes = responseJson.getBytes();
final DataOutputStream clientOutput = new DataOutputStream(outputStream);
this.writeVarInt(clientOutput, bytes.length + 3);
@ -106,6 +118,18 @@ public class ServerThread extends Thread {
// Packet data end
}
private String getMotd() {
return this.minecraftServer == null ? "This is an example of the Message of the Day" : ((CraftServer) this.minecraftServer).getServer().motd;
}
private int getOnlinePlayers() {
return this.minecraftServer == null ? 13 : this.minecraftServer.getOnlinePlayers().length;
}
private int getMaxPlayers() {
return this.minecraftServer == null ? 37 : this.minecraftServer.getMaxPlayers();
}
private void writeVarInt(DataOutputStream out, int paramInt) throws IOException {
while (true) {
if ((paramInt & 0xFFFFFF80) == 0) {