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Ping server

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DmitriyMX
2018-06-10 20:04:33 +03:00
parent 4a5f5cf721
commit 796076c97c
18 changed files with 825 additions and 1 deletions
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11
proto_1.12.2/build.gradle Normal file
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group 'mc'
version '1.0-SNAPSHOT'
dependencies {
/* Core */
compile_excludeCopy project(':core')
/* Components */
compile (group: 'com.google.guava', name: 'guava', version: '24.1-jre')
compile (group: 'com.google.code.gson', name: 'gson', version: '2.8.2')
}

121
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/ByteArrayOutputNetStream.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2;
import java.io.ByteArrayOutputStream;
public class ByteArrayOutputNetStream extends NetStream_p340 {
private ByteArrayOutputStream baos = new ByteArrayOutputStream();
@Override
public boolean readBoolean() {
throw new UnsupportedOperationException();
}
@Override
public byte readByte() {
throw new UnsupportedOperationException();
}
@Override
public void readBytes(byte[] buffer) {
throw new UnsupportedOperationException();
}
@Override
public int readUnsignedByte() {
throw new UnsupportedOperationException();
}
@Override
public int readUnsignedShort() {
throw new UnsupportedOperationException();
}
@Override
public short readShort() {
throw new UnsupportedOperationException();
}
@Override
public int readInt() {
throw new UnsupportedOperationException();
}
@Override
public long readLong() {
throw new UnsupportedOperationException();
}
@Override
public float readFloat() {
throw new UnsupportedOperationException();
}
@Override
public double readDouble() {
throw new UnsupportedOperationException();
}
@Override
public void writeBoolean(boolean value) {
baos.write(value ? 1 : 0);
}
@Override
public void writeByte(int value) {
baos.write(value);
}
@Override
public void writeBytes(byte[] buffer) {
baos.write(buffer, 0, buffer.length);
}
@Override
public void writeShort(int value) {
baos.write((byte) value >>> 8);
baos.write((byte) value);
}
@Override
public void writeInt(int value) {
baos.write((byte)((int)(value >>> 24)));
baos.write((byte)((int)(value >>> 16)));
baos.write((byte)((int)(value >>> 8)));
baos.write((byte)((int)(value)));
}
@Override
public void writeLong(long value) {
baos.write((byte)((int)(value >>> 56)));
baos.write((byte)((int)(value >>> 48)));
baos.write((byte)((int)(value >>> 40)));
baos.write((byte)((int)(value >>> 32)));
baos.write((byte)((int)(value >>> 24)));
baos.write((byte)((int)(value >>> 16)));
baos.write((byte)((int)(value >>> 8)));
baos.write((byte)((int)(value)));
}
@Override
public void writeFloat(float value) {
writeInt(Float.floatToIntBits(value));
}
@Override
public void writeDouble(double value) {
writeLong(Double.doubleToLongBits(value));
}
@Override
public void skipBytes(int count) {
throw new UnsupportedOperationException();
}
public byte[] toByteArray() {
return baos.toByteArray();
}
}

73
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/NetStream_p340.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2;
import lombok.extern.slf4j.Slf4j;
import mc.core.network.NetStream;
import java.nio.charset.StandardCharsets;
@Slf4j
public abstract class NetStream_p340 extends NetStream {
@Override
public int readVarInt() {
int numRead = 0;
int result = 0;
byte read;
do {
read = readByte();
int value = (read & 0b01111111);
result |= (value << (7 * numRead));
numRead++;
if (numRead > 5) {
log.warn("VarInt is too big");
break;
}
} while ((read & 0b10000000) != 0);
return result;
}
@Override
public void writeVarInt(int value) {
do {
byte temp = (byte)(value & 0b01111111);
// Note: >>> means that the sign bit is shifted with the rest of the number rather than being left alone
value >>>= 7;
if (value != 0) {
temp |= 0b10000000;
}
writeByte(temp);
} while (value != 0);
}
@Override
public String readString() {
int size = readVarInt();
if (size == 0) {
log.warn("String zero length??");
return "";
}
byte[] bytes = new byte[size];
readBytes(bytes);
return new String(bytes, StandardCharsets.UTF_8);
}
@Override
public void writeString(String value) {
if (value.length() > Short.MAX_VALUE) {
log.warn("String \"{}\" too long!", value);
byte[] buf = value.substring(0, Short.MAX_VALUE).getBytes(StandardCharsets.UTF_8);
writeVarInt(Short.MAX_VALUE);
writeBytes(buf);
} else {
byte[] buf = value.getBytes(StandardCharsets.UTF_8);
writeVarInt(value.length());
writeBytes(buf);
}
}
}

61
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/State.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-08
*/
package mc.core.network.proto_1_12_2;
import com.google.common.collect.BiMap;
import com.google.common.collect.ImmutableBiMap;
import lombok.Getter;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import mc.core.network.CSPacket;
import mc.core.network.SCPacket;
import mc.core.network.proto_1_12_2.packets.HandshakePacket;
import mc.core.network.proto_1_12_2.packets.PingPacket;
import mc.core.network.proto_1_12_2.packets.StatusRequestPacket;
import mc.core.network.proto_1_12_2.packets.StatusResponsePacket;
@Slf4j
@RequiredArgsConstructor
public enum State {
UNKNOWN(-1, null, null),
HANDSHAKE(0,
ImmutableBiMap.<Integer, Class<? extends CSPacket>>builder()
.put(0, HandshakePacket.class)
.build(),
null
),
STATUS(1,
ImmutableBiMap.<Integer, Class<? extends CSPacket>>builder()
.put(0, StatusRequestPacket.class)
.put(1, PingPacket.class)
.build(),
ImmutableBiMap.<Class<? extends SCPacket>, Integer>builder()
.put(StatusResponsePacket.class, 0)
.put(PingPacket.class, 1)
.build()
);
public static State valueOf(int id) {
if (id == 0) return HANDSHAKE;
else if (id == 1) return STATUS;
else {
log.warn("Unknown state: {}", id);
return UNKNOWN;
}
}
@Getter
private final int id;
private final BiMap<Integer, Class<? extends CSPacket>> clientSidePacketsMap;
private final BiMap<Class<? extends SCPacket>, Integer> serverSidePacketsMap;
public Class<? extends CSPacket> getClientSidePacket(int id) {
return clientSidePacketsMap.get(id);
}
public Integer getServerSidePacket(Class<? extends SCPacket> clazz) {
return serverSidePacketsMap.get(clazz);
}
}

30
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/HandshakePacket.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2.packets;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.ToString;
import mc.core.network.CSPacket;
import mc.core.network.NetStream;
import mc.core.network.proto_1_12_2.State;
@NoArgsConstructor
@Getter
@ToString
public class HandshakePacket implements CSPacket {
private int protocolVersion;
private String address;
private int serverPort;
private State nextState;
@Override
public void readSelf(NetStream netStream) {
this.protocolVersion = netStream.readVarInt();
this.address = netStream.readString();
this.serverPort = netStream.readUnsignedShort();
this.nextState = State.valueOf(netStream.readVarInt());
}
}

28
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/PingPacket.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2.packets;
import lombok.ToString;
import mc.core.network.CSPacket;
import mc.core.network.NetStream;
import mc.core.network.SCPacket;
import mc.core.network.proto_1_12_2.ByteArrayOutputNetStream;
@ToString
public class PingPacket implements CSPacket, SCPacket {
private long payload;
@Override
public void readSelf(NetStream netStream) {
this.payload = netStream.readLong();
}
@Override
public byte[] toByteArray() {
ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
netStream.writeLong(payload);
return netStream.toByteArray();
}
}

16
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/StatusRequestPacket.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2.packets;
import lombok.ToString;
import mc.core.network.CSPacket;
import mc.core.network.NetStream;
@ToString
public class StatusRequestPacket implements CSPacket {
@Override
public void readSelf(NetStream netStream) {
}
}

54
proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/StatusResponsePacket.java Normal file
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/*
* DmitriyMX <dimon550@gmail.com>
* 2018-06-10
*/
package mc.core.network.proto_1_12_2.packets;
import com.google.gson.JsonObject;
import lombok.Setter;
import lombok.ToString;
import mc.core.network.SCPacket;
import mc.core.network.proto_1_12_2.ByteArrayOutputNetStream;
@Setter
@ToString
public class StatusResponsePacket implements SCPacket {
private static final JsonObject versionObj;
static {
versionObj = new JsonObject();
versionObj.addProperty("name", "1.12.2");
versionObj.addProperty("protocol", 340);
}
private int maxOnline;
private int online;
private String description;
private byte[] faviconBase64;
@Override
public byte[] toByteArray() {
ByteArrayOutputNetStream netStream = new ByteArrayOutputNetStream();
JsonObject playersObj = new JsonObject();
playersObj.addProperty("max", maxOnline);
playersObj.addProperty("online", online);
JsonObject descriptionObj = new JsonObject();
descriptionObj.addProperty("text", description);
JsonObject rootObj = new JsonObject();
rootObj.add("version", versionObj);
rootObj.add("players", playersObj);
rootObj.add("description", descriptionObj);
if (faviconBase64 != null && faviconBase64.length > 0) {
rootObj.addProperty("favicon",
"data:image/png;base64," + new String(faviconBase64)
);
}
netStream.writeString(rootObj.toString());
return netStream.toByteArray();
}
}