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Add dedicated PooledBuffers class

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Signed-off-by: TheMode <themode@outlook.fr>
This commit is contained in:
TheMode 2021-09-13 22:12:07 +02:00
parent f307e81f04
commit e1a3c295a2
3 changed files with 50 additions and 26 deletions
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39
src/main/java/net/minestom/server/network/player/PlayerSocketConnection.java
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@ -16,6 +16,7 @@ import net.minestom.server.network.socket.Worker;
import net.minestom.server.utils.PacketUtils;
import net.minestom.server.utils.Utils;
import net.minestom.server.utils.binary.BinaryBuffer;
import net.minestom.server.utils.binary.PooledBuffers;
import net.minestom.server.utils.validate.Check;
import org.jetbrains.annotations.ApiStatus;
import org.jetbrains.annotations.NotNull;
@ -27,7 +28,6 @@ import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.ShortBufferException;
import java.io.IOException;
import java.lang.ref.SoftReference;
import java.net.SocketAddress;
import java.nio.BufferUnderflowException;
import java.nio.ByteBuffer;
@ -35,7 +35,6 @@ import java.nio.channels.ClosedChannelException;
import java.nio.channels.SocketChannel;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.zip.DataFormatException;
import java.util.zip.Inflater;
@ -47,8 +46,6 @@ import java.util.zip.Inflater;
@ApiStatus.Internal
public class PlayerSocketConnection extends PlayerConnection {
private final static Logger LOGGER = LoggerFactory.getLogger(PlayerSocketConnection.class);
private final static Queue<SoftReference<BinaryBuffer>> POOLED_BUFFERS = new ConcurrentLinkedQueue<>();
private final static int BUFFER_SIZE = 262_143;
private final Worker worker;
private final SocketChannel channel;
@ -78,7 +75,7 @@ public class PlayerSocketConnection extends PlayerConnection {
private final Object bufferLock = new Object();
private final List<BinaryBuffer> waitingBuffers = new ArrayList<>();
private BinaryBuffer tickBuffer = getPooledBuffer();
private BinaryBuffer tickBuffer = PooledBuffers.get();
private volatile BinaryBuffer cacheBuffer;
public PlayerSocketConnection(@NotNull Worker worker, @NotNull SocketChannel channel, SocketAddress remoteAddress) {
@ -226,16 +223,17 @@ public class PlayerSocketConnection extends PlayerConnection {
@ApiStatus.Internal
public void write(@NotNull ByteBuffer buffer) {
synchronized (bufferLock) {
final int capacity = tickBuffer.capacity();
final int size = buffer.remaining();
if (size <= BUFFER_SIZE) {
if (size <= capacity) {
if (!tickBuffer.canWrite(size)) flush();
if (!isOnline()) return;
this.tickBuffer.write(buffer);
} else {
final int bufferCount = size / BUFFER_SIZE + 1;
final int bufferCount = size / capacity + 1;
for (int i = 0; i < bufferCount; i++) {
buffer.position(i * BUFFER_SIZE);
buffer.limit(Math.min(size, buffer.position() + BUFFER_SIZE));
buffer.position(i * capacity);
buffer.limit(Math.min(size, buffer.position() + capacity));
if (!tickBuffer.canWrite(buffer.remaining())) flush();
if (!isOnline()) return;
this.tickBuffer.write(buffer);
@ -268,13 +266,13 @@ public class PlayerSocketConnection extends PlayerConnection {
if (localBuffer.readableBytes() == 0 && waitingBuffers.isEmpty()) return;
// Update tick buffer
try {
this.tickBuffer = getPooledBuffer();
this.tickBuffer = PooledBuffers.get();
if (encrypted) {
final Cipher cipher = encryptCipher;
// Encrypt data first
ByteBuffer cipherInput = localBuffer.asByteBuffer(0, localBuffer.writerOffset());
BinaryBuffer pooled = getPooledBuffer();
ByteBuffer cipherOutput = pooled.asByteBuffer(0, BUFFER_SIZE);
BinaryBuffer pooled = PooledBuffers.get();
ByteBuffer cipherOutput = pooled.asByteBuffer(0, pooled.capacity());
try {
cipher.update(cipherInput, cipherOutput);
} catch (ShortBufferException e) {
@ -282,7 +280,7 @@ public class PlayerSocketConnection extends PlayerConnection {
}
localBuffer.clear();
localBuffer.write(cipherOutput.flip());
POOLED_BUFFERS.add(new SoftReference<>(pooled));
PooledBuffers.add(pooled);
}
this.waitingBuffers.add(localBuffer);
@ -292,7 +290,7 @@ public class PlayerSocketConnection extends PlayerConnection {
try {
if (!waitingBuffer.writeChannel(channel)) break;
iterator.remove();
POOLED_BUFFERS.add(new SoftReference<>(waitingBuffer));
PooledBuffers.add(waitingBuffer);
} catch (ClosedChannelException e) {
shouldDisconnect = true;
} catch (IOException e) {
@ -331,7 +329,7 @@ public class PlayerSocketConnection extends PlayerConnection {
synchronized (bufferLock) {
if (!waitingBuffers.isEmpty()) {
for (BinaryBuffer waitingBuffer : waitingBuffers) {
POOLED_BUFFERS.add(new SoftReference<>(waitingBuffer));
PooledBuffers.add(waitingBuffer);
}
this.waitingBuffers.clear();
}
@ -471,15 +469,4 @@ public class PlayerSocketConnection extends PlayerConnection {
public void setNonce(byte[] nonce) {
this.nonce = nonce;
}
private static BinaryBuffer getPooledBuffer() {
BinaryBuffer buffer = null;
SoftReference<BinaryBuffer> ref;
while ((ref = POOLED_BUFFERS.poll()) != null) {
buffer = ref.get();
if (buffer != null) break;
}
if (buffer != null) buffer.clear();
return Objects.requireNonNullElseGet(buffer, () -> BinaryBuffer.ofSize(BUFFER_SIZE));
}
}

3
src/main/java/net/minestom/server/utils/PacketUtils.java
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@ -39,9 +39,12 @@ import java.util.zip.Deflater;
public final class PacketUtils {
private static final PacketListenerManager PACKET_LISTENER_MANAGER = MinecraftServer.getPacketListenerManager();
private static final ThreadLocal<Deflater> LOCAL_DEFLATER = ThreadLocal.withInitial(Deflater::new);
/// Local buffers
private static final LocalCache PACKET_BUFFER = LocalCache.get("packet-buffer", Server.MAX_PACKET_SIZE);
private static final LocalCache LOCAL_BUFFER = LocalCache.get("local-buffer", Server.MAX_PACKET_SIZE);
// Viewable packets
private static final Object VIEWABLE_PACKET_LOCK = new Object();
private static final Map<Viewable, ViewableStorage> VIEWABLE_STORAGE_MAP = new WeakHashMap<>();

34
src/main/java/net/minestom/server/utils/binary/PooledBuffers.java Normal file
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@ -0,0 +1,34 @@
package net.minestom.server.utils.binary;
import org.jetbrains.annotations.ApiStatus;
import java.lang.ref.SoftReference;
import java.util.Objects;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
@ApiStatus.Internal
@ApiStatus.Experimental
public final class PooledBuffers {
private final static Queue<SoftReference<BinaryBuffer>> POOLED_BUFFERS = new ConcurrentLinkedQueue<>();
private final static int BUFFER_SIZE = 262_143;
public static BinaryBuffer get() {
BinaryBuffer buffer = null;
SoftReference<BinaryBuffer> ref;
while ((ref = POOLED_BUFFERS.poll()) != null) {
buffer = ref.get();
if (buffer != null) break;
}
return Objects.requireNonNullElseGet(buffer, () -> BinaryBuffer.ofSize(BUFFER_SIZE));
}
public static void add(BinaryBuffer buffer) {
buffer.clear();
POOLED_BUFFERS.add(new SoftReference<>(buffer));
}
public static int bufferSize() {
return BUFFER_SIZE;
}
}