mirror of
https://e.coding.net/circlecloud/YumCore.git
synced 2024-11-24 02:08:48 +00:00
feat: 新的MC信息获取代码
Signed-off-by: 502647092 <admin@yumc.pw>
This commit is contained in:
parent
b5d65c7169
commit
6ea90b46ff
@ -1,14 +1,14 @@
|
||||
package pw.yumc.YumCore.mc;
|
||||
|
||||
import java.io.ByteArrayOutputStream;
|
||||
import java.io.DataInputStream;
|
||||
import java.io.DataOutputStream;
|
||||
import java.io.IOException;
|
||||
import java.io.InputStream;
|
||||
import java.io.InputStreamReader;
|
||||
import java.io.OutputStream;
|
||||
import java.net.InetSocketAddress;
|
||||
import java.net.Socket;
|
||||
import java.nio.charset.Charset;
|
||||
import java.util.regex.Pattern;
|
||||
|
||||
import lombok.Data;
|
||||
import pw.yumc.YumCore.annotation.NotProguard;
|
||||
|
||||
/**
|
||||
@ -17,8 +17,37 @@ import pw.yumc.YumCore.annotation.NotProguard;
|
||||
* @author 喵♂呜
|
||||
* @since 2017/1/26 0026
|
||||
*/
|
||||
@Data
|
||||
@NotProguard
|
||||
public class ServerInfo {
|
||||
private static byte PACKET_HANDSHAKE = 0x00, PACKET_STATUSREQUEST = 0x00, PACKET_PING = 0x01;
|
||||
private static int PROTOCOL_VERSION = 4;
|
||||
private static int STATUS_HANDSHAKE = 1;
|
||||
private static Pattern pattern = Pattern.compile(".*\"description\":\"(.*)\".*");
|
||||
/**
|
||||
* {
|
||||
* "version": {"name": "BungeeCord 1.8.x, 1.9.x, 1.10.x, 1.11.x", "protocol": 316},
|
||||
* "players": {"max": 922, "online": 921},
|
||||
* "description": {
|
||||
* "extra": [
|
||||
* {"color": "white", "text": " "},
|
||||
* {"color": "aqua", "bold": true, "text": "梦世界 "},
|
||||
* {"color": "red","bold": true, "obfuscated": true, "text": "|"},
|
||||
* {"color": "white", "text": " "},
|
||||
* {"color": "white", "bold": true, "text": "i5mc.com\n"},
|
||||
* {"color": "white", "text": " " },
|
||||
* {"color": "yellow", "bold": true, "text": "★"},
|
||||
* {"color": "red", "bold": true, "text": "1.8-1.11"},
|
||||
* {"color": "yellow", "bold": true, "text": "★ ★"},
|
||||
* {"color": "yellow", "text": "黄金周末"},
|
||||
* {"color": "gray", "text": "-"},
|
||||
* {"color": "green", "text": "空岛战争"},
|
||||
* {"color": "red", "bold": true, "text": "双倍硬币"},
|
||||
* {"color": "green", "text": "奖励"},
|
||||
* {"color": "yellow", "bold": true, "text": "★"}
|
||||
* ],"text": "" }
|
||||
* }
|
||||
*/
|
||||
private String address = "localhost";
|
||||
private int port = 25565;
|
||||
private int timeout = 1500;
|
||||
@ -33,7 +62,7 @@ public class ServerInfo {
|
||||
* Minecraft服务器数据获取类
|
||||
*
|
||||
* @param address
|
||||
* 服务器地址 默认端口25565
|
||||
* 服务器地址 默认端口25565
|
||||
*/
|
||||
public ServerInfo(String address) {
|
||||
this(address, 25565);
|
||||
@ -43,9 +72,9 @@ public class ServerInfo {
|
||||
* Minecraft服务器数据获取类
|
||||
*
|
||||
* @param address
|
||||
* 服务器地址
|
||||
* 服务器地址
|
||||
* @param port
|
||||
* 服务器端口
|
||||
* 服务器端口
|
||||
*/
|
||||
public ServerInfo(String address, int port) {
|
||||
this.address = address;
|
||||
@ -59,63 +88,56 @@ public class ServerInfo {
|
||||
*/
|
||||
public boolean fetchData() {
|
||||
try (Socket socket = new Socket()) {
|
||||
OutputStream outputStream;
|
||||
DataOutputStream dataOutputStream;
|
||||
InputStream inputStream;
|
||||
InputStreamReader inputStreamReader;
|
||||
socket.connect(new InetSocketAddress(getAddress(), getPort()), getTimeout());
|
||||
|
||||
socket.setSoTimeout(this.timeout);
|
||||
final DataInputStream in = new DataInputStream(socket.getInputStream());
|
||||
final DataOutputStream out = new DataOutputStream(socket.getOutputStream());
|
||||
|
||||
socket.connect(new InetSocketAddress(this.getAddress(), this.getPort()), this.getTimeout());
|
||||
//> Handshake
|
||||
ByteArrayOutputStream handshake_bytes = new ByteArrayOutputStream();
|
||||
DataOutputStream handshake = new DataOutputStream(handshake_bytes);
|
||||
|
||||
outputStream = socket.getOutputStream();
|
||||
dataOutputStream = new DataOutputStream(outputStream);
|
||||
handshake.writeByte(PACKET_HANDSHAKE);
|
||||
writeVarInt(handshake, PROTOCOL_VERSION);
|
||||
writeVarInt(handshake, getAddress().length());
|
||||
handshake.writeBytes(getAddress());
|
||||
handshake.writeShort(getPort());
|
||||
writeVarInt(handshake, STATUS_HANDSHAKE);
|
||||
|
||||
inputStream = socket.getInputStream();
|
||||
inputStreamReader = new InputStreamReader(inputStream, Charset.forName("UTF-16BE"));
|
||||
writeVarInt(out, handshake_bytes.size());
|
||||
out.write(handshake_bytes.toByteArray());
|
||||
|
||||
dataOutputStream.write(new byte[] { (byte) 0xFE, (byte) 0x01 });
|
||||
//> Status request
|
||||
|
||||
int packetId = inputStream.read();
|
||||
out.writeByte(0x01); // Size of packet
|
||||
out.writeByte(PACKET_STATUSREQUEST);
|
||||
|
||||
if (packetId == -1) { throw new IOException("Premature end of stream."); }
|
||||
//< Status response
|
||||
|
||||
if (packetId != 0xFF) { throw new IOException("Invalid packet ID (" + packetId + ")."); }
|
||||
readVarInt(in); // Size
|
||||
int id = readVarInt(in);
|
||||
|
||||
int length = inputStreamReader.read();
|
||||
int length = readVarInt(in);
|
||||
|
||||
if (length == -1) { throw new IOException("Premature end of stream."); }
|
||||
byte[] data = new byte[length];
|
||||
in.readFully(data);
|
||||
String json = new String(data, "UTF-8");
|
||||
System.out.println(json);
|
||||
// //> Ping
|
||||
//
|
||||
// out.writeByte(0x09); // Size of packet
|
||||
// out.writeByte(PACKET_PING);
|
||||
// out.writeLong(System.currentTimeMillis());
|
||||
//
|
||||
// //< Ping
|
||||
// readVarInt(in); // Size
|
||||
// id = readVarInt(in);
|
||||
|
||||
if (length == 0) { throw new IOException("Invalid string length."); }
|
||||
|
||||
char[] chars = new char[length];
|
||||
|
||||
if (inputStreamReader.read(chars, 0, length) != length) { throw new IOException("Premature end of stream."); }
|
||||
|
||||
String string = new String(chars);
|
||||
|
||||
if (string.startsWith("§")) {
|
||||
String[] data = string.split("\0");
|
||||
this.pingVersion = Integer.parseInt(data[0].substring(1));
|
||||
this.protocolVersion = Integer.parseInt(data[1]);
|
||||
this.gameVersion = data[2];
|
||||
this.motd = data[3];
|
||||
this.playersOnline = Integer.parseInt(data[4]);
|
||||
this.maxPlayers = Integer.parseInt(data[5]);
|
||||
} else {
|
||||
String[] data = string.split("§");
|
||||
this.motd = data[0];
|
||||
this.playersOnline = Integer.parseInt(data[1]);
|
||||
this.maxPlayers = Integer.parseInt(data[2]);
|
||||
}
|
||||
|
||||
dataOutputStream.close();
|
||||
outputStream.close();
|
||||
|
||||
inputStreamReader.close();
|
||||
inputStream.close();
|
||||
|
||||
socket.close();
|
||||
// Close
|
||||
handshake.close();
|
||||
handshake_bytes.close();
|
||||
out.close();
|
||||
in.close();
|
||||
} catch (IOException exception) {
|
||||
gameVersion = "获取失败!";
|
||||
motd = "获取失败!";
|
||||
@ -124,44 +146,36 @@ public class ServerInfo {
|
||||
return true;
|
||||
}
|
||||
|
||||
public String getAddress() {
|
||||
return this.address;
|
||||
/**
|
||||
* @author thinkofdeath
|
||||
* See: https://gist.github.com/thinkofdeath/e975ddee04e9c87faf22
|
||||
*/
|
||||
public int readVarInt(DataInputStream in) throws IOException {
|
||||
int i = 0;
|
||||
int j = 0;
|
||||
while (true) {
|
||||
int k = in.readByte();
|
||||
i |= (k & 0x7F) << j++ * 7;
|
||||
if (j > 5)
|
||||
throw new RuntimeException("VarInt too big");
|
||||
if ((k & 0x80) != 128)
|
||||
break;
|
||||
}
|
||||
return i;
|
||||
}
|
||||
|
||||
public int getPort() {
|
||||
return this.port;
|
||||
/**
|
||||
* @author thinkofdeath
|
||||
* See: https://gist.github.com/thinkofdeath/e975ddee04e9c87faf22
|
||||
*/
|
||||
public void writeVarInt(DataOutputStream out, int paramInt) throws IOException {
|
||||
while (true) {
|
||||
if ((paramInt & 0xFFFFFF80) == 0) {
|
||||
out.writeByte(paramInt);
|
||||
return;
|
||||
}
|
||||
out.writeByte(paramInt & 0x7F | 0x80);
|
||||
paramInt >>>= 7;
|
||||
}
|
||||
}
|
||||
|
||||
public void setTimeout(int timeout) {
|
||||
this.timeout = timeout;
|
||||
}
|
||||
|
||||
public int getTimeout() {
|
||||
return this.timeout;
|
||||
}
|
||||
|
||||
public int getPingVersion() {
|
||||
return this.pingVersion;
|
||||
}
|
||||
|
||||
public int getProtocolVersion() {
|
||||
return this.protocolVersion;
|
||||
}
|
||||
|
||||
public String getGameVersion() {
|
||||
return this.gameVersion;
|
||||
}
|
||||
|
||||
public String getMotd() {
|
||||
return this.motd;
|
||||
}
|
||||
|
||||
public int getPlayersOnline() {
|
||||
return this.playersOnline;
|
||||
}
|
||||
|
||||
public int getMaxPlayers() {
|
||||
return this.maxPlayers;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
20
src/test/java/pw/yumc/YumCore/mc/ServerInfoTest.java
Normal file
20
src/test/java/pw/yumc/YumCore/mc/ServerInfoTest.java
Normal file
@ -0,0 +1,20 @@
|
||||
package pw.yumc.YumCore.mc;
|
||||
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
import lombok.val;
|
||||
|
||||
/**
|
||||
* Created with IntelliJ IDEA
|
||||
*
|
||||
* @author 喵♂呜
|
||||
* Created on 2017/9/28 18:50.
|
||||
*/
|
||||
public class ServerInfoTest {
|
||||
@Test
|
||||
public void test() {
|
||||
val info = new ServerInfo("play.i5mc.com");
|
||||
info.fetchData();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user