UPDATE 2.2
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Administrator
@@ -0,0 +1,299 @@
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package org.kne.cloud.network.minecraft;
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import java.awt.image.BufferedImage;
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import java.io.ByteArrayInputStream;
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import java.io.EOFException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.StringReader;
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import java.net.Inet6Address;
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import java.net.InetAddress;
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import java.net.Socket;
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import java.net.UnknownHostException;
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import java.util.Base64;
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import javax.imageio.ImageIO;
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import org.kne.cloud.network.MultipurposeSocketAddress;
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import com.google.gson.JsonElement;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import com.google.gson.stream.JsonReader;
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import com.google.gson.stream.JsonToken;
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public class MinecraftServerPinger {
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private Socket socket;
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private MinecraftProtocolContext mpc=new MinecraftProtocolContext();
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private MultipurposeSocketAddress targetaddr;
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private long latency=-1;
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private String json;
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private BufferedImage icon;
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private int max;
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private int online;
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private String description;
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private boolean isOldDescription;
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private String version;
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private int protocol;
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private String klalbversion;
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private Inet6Address klalbvaddr;
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private int klalbvport;
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public MinecraftServerPinger(MultipurposeSocketAddress target) throws UnknownHostException, IOException {
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targetaddr=target;
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socket=target.connectSocket();
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socket.setTcpNoDelay(true);
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ping();
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analyseJson();
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}
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private void ping() throws IOException {
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MinecraftInputStream in=null;
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MinecraftOutputStream out=null;
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try {
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in=new MinecraftInputStream(socket.getInputStream(), mpc);
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out=new MinecraftOutputStream(socket.getOutputStream(), mpc);
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if(targetaddr instanceof MinecraftServerAddress) {
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out.writePacket(new MinecraftHandShakePacket(763, ((MinecraftServerAddress) targetaddr).getOriginAddr(), ((MinecraftServerAddress) targetaddr).getOriginPort(), 1));
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}else {
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out.writePacket(new MinecraftHandShakePacket(763, targetaddr.getHost(), targetaddr.getPort(), 1));
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}
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out.writePacket(new MinecraftMotdRequest());
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out.flush();
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MinecraftMotdResponse resp=(MinecraftMotdResponse) in.readPacket();
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if(resp==null)
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throw new EOFException();
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json=resp.getJson();
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long pst=System.nanoTime();
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out.writePacket(new MinecraftPingPacket(pst));
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out.flush();
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try {
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MinecraftPongPacket repo=(MinecraftPongPacket) in.readPacket();
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latency=System.nanoTime()-repo.getTime();
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}catch(EOFException e) {
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}
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}finally {
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try {
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if(in!=null)
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in.close();
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}catch(IOException e) {}
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try {
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if(out!=null)
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out.close();
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}catch(IOException e) {}
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try {
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if(socket!=null)
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socket.close();
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}catch(IOException e) {}
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}
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}
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private void analyseJson() {
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// System.out.println(json);
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JsonObject jobj= (JsonObject) new JsonParser().parse(json);
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JsonObject versiont=(JsonObject) jobj.get("version");
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if(versiont!=null) {
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version=versiont.get("name").getAsString();
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protocol=versiont.get("protocol").getAsInt();
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}
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JsonObject players=(JsonObject) jobj.get("players");
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if(players!=null) {
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max=players.get("max").getAsInt();
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online=players.get("online").getAsInt();
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}
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JsonElement descriptionj =jobj.get("description");
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if(descriptionj!=null) {
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isOldDescription=!(descriptionj instanceof JsonObject);
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if(isOldDescription) {
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description=descriptionj.getAsString();
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}else {
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description=descriptionj.toString();
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}
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}
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JsonElement klalb= jobj.get("KLALB");
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if(klalb!=null&&(klalb instanceof JsonObject)) {
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JsonObject jobk=(JsonObject) klalb;
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klalbversion=jobk.get("version").getAsString();
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try {
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klalbvaddr=(Inet6Address) InetAddress.getByName( jobk.get("vaddr").getAsString());
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} catch (UnknownHostException e) {
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e.printStackTrace();
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}
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klalbvport=jobk.get("vport").getAsInt();
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}
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JsonElement favicon= jobj.get("favicon");
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if(favicon!=null) {
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String s=favicon.getAsString();
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if(s.startsWith("data:image/png;base64,")){
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s=s.replace("\n", "");
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try {
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icon=ImageIO.read(new ByteArrayInputStream(Base64.getDecoder().decode(s.substring("data:image/png;base64,".length()))));
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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/*try {
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JsonReader jr = new JsonReader(new StringReader(json));
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jr.setLenient(true);
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jr.beginObject();
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while (jr.hasNext()) {
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String n0 = jr.nextName();
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switch (n0) {
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case "version":
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jr.beginObject();
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while (jr.hasNext()) {
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String n1 = jr.nextName();
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switch (n1) {
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case "name":
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version=jr.nextString();
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break;
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default:
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jr.skipValue();
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break;
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}
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}
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jr.endObject();
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break;
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case "players":
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jr.beginObject();
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while (jr.hasNext()) {
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String n1 = jr.nextName();
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switch (n1) {
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case "max":
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max=jr.nextInt();
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break;
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case "online":
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online=jr.nextInt();
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break;
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default:
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jr.skipValue();
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break;
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}
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}
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jr.endObject();
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break;
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case "description":
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JsonToken j=jr.peek();
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if(j.equals(JsonToken.BEGIN_OBJECT)){
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jr.beginObject();
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while (jr.hasNext()) {
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String n1 = jr.nextName();
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switch (n1) {
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case "text":
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description=jr.nextString();
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break;
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default:
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jr.skipValue();
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break;
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}
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}
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jr.endObject();
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}else{
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description=jr.nextString();
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}
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break;
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case "favicon":
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String s=jr.nextString();
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if(s.startsWith("data:image/png;base64,")){
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s=s.replace("\n", "");
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icon=ImageIO.read(new ByteArrayInputStream(Base64.getDecoder().decode(s.substring("data:image/png;base64,".length()))));
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}
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break;
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case "KLALB":
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klalbversion=jr.nextString();
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break;
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default:
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jr.skipValue();
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break;
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}
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}
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jr.endObject();
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jr.close();
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//System.out.println(time);
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} catch (IOException e) {
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e.printStackTrace();
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}*/
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}
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@Override
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public String toString() {
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return "MinecraftServerPinger [targetaddr=" + targetaddr + ", latency=" + latency + ", json=" + json + ", icon="
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+ icon + ", max=" + max + ", online=" + online + ", description=" + description + ", isOldDescription="
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+ isOldDescription + ", version=" + version + ", protocol=" + protocol + ", klalbversion="
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+ klalbversion + ", klalbvaddr=" + klalbvaddr+ ", klalbvport=" + klalbvport+ "]";
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}
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public String getKlalbversion() {
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return klalbversion;
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}
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public Inet6Address getKlalbvaddr() {
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return klalbvaddr;
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}
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public int getKlalbvport() {
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return klalbvport;
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}
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public BufferedImage getIcon() {
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return icon;
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}
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public int getMax() {
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return max;
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}
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public int getOnline() {
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return online;
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}
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public String getDescription() {
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return description;
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}
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public String getVersion() {
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return version;
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}
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public int getProtocol() {
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return protocol;
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}
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public boolean isOldDescription() {
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return isOldDescription;
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}
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public String getJson() {
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return json;
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}
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public MultipurposeSocketAddress getTargetaddr() {
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return targetaddr;
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}
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public long getLatency() {
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return latency;
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}
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public static void main(String[] args) throws UnknownHostException, IOException {//hypixel.net
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MinecraftServerPinger sp=new MinecraftServerPinger(MinecraftServerAddress.findAddress("mc.hypixel.cn"));
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System.out.println(sp);
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}
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}
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