268 lines
7.4 KiB
Java
268 lines
7.4 KiB
Java
/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.net5.buffer;
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import io.net5.util.internal.ObjectPool;
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import io.net5.util.internal.ObjectPool.Handle;
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import io.net5.util.internal.PlatformDependent;
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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.nio.ByteBuffer;
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final class PooledUnsafeDirectByteBuf extends PooledByteBuf<ByteBuffer> {
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private static final ObjectPool<PooledUnsafeDirectByteBuf> RECYCLER = ObjectPool.newPool(
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handle -> new PooledUnsafeDirectByteBuf(handle, 0));
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static PooledUnsafeDirectByteBuf newInstance(int maxCapacity) {
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PooledUnsafeDirectByteBuf buf = RECYCLER.get();
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buf.reuse(maxCapacity);
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return buf;
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}
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private long memoryAddress;
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private PooledUnsafeDirectByteBuf(Handle<PooledUnsafeDirectByteBuf> recyclerHandle, int maxCapacity) {
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super(recyclerHandle, maxCapacity);
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}
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@Override
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void init(PoolChunk<ByteBuffer> chunk, ByteBuffer nioBuffer,
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long handle, int offset, int length, int maxLength, PoolThreadCache cache) {
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super.init(chunk, nioBuffer, handle, offset, length, maxLength, cache);
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initMemoryAddress();
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}
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@Override
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void initUnpooled(PoolChunk<ByteBuffer> chunk, int length) {
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super.initUnpooled(chunk, length);
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initMemoryAddress();
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}
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private void initMemoryAddress() {
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memoryAddress = PlatformDependent.directBufferAddress(memory) + offset;
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}
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@Override
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protected ByteBuffer newInternalNioBuffer(ByteBuffer memory) {
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return memory.duplicate();
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}
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@Override
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public boolean isDirect() {
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return true;
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}
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@Override
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protected byte _getByte(int index) {
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return UnsafeByteBufUtil.getByte(addr(index));
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}
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@Override
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protected short _getShort(int index) {
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return UnsafeByteBufUtil.getShort(addr(index));
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}
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@Override
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protected short _getShortLE(int index) {
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return UnsafeByteBufUtil.getShortLE(addr(index));
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}
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@Override
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protected int _getUnsignedMedium(int index) {
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return UnsafeByteBufUtil.getUnsignedMedium(addr(index));
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}
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@Override
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protected int _getUnsignedMediumLE(int index) {
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return UnsafeByteBufUtil.getUnsignedMediumLE(addr(index));
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}
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@Override
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protected int _getInt(int index) {
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return UnsafeByteBufUtil.getInt(addr(index));
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}
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@Override
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protected int _getIntLE(int index) {
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return UnsafeByteBufUtil.getIntLE(addr(index));
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}
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@Override
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protected long _getLong(int index) {
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return UnsafeByteBufUtil.getLong(addr(index));
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}
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@Override
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protected long _getLongLE(int index) {
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return UnsafeByteBufUtil.getLongLE(addr(index));
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}
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@Override
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public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
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UnsafeByteBufUtil.getBytes(this, addr(index), index, dst, dstIndex, length);
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return this;
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}
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@Override
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public ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
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UnsafeByteBufUtil.getBytes(this, addr(index), index, dst, dstIndex, length);
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return this;
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}
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@Override
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public ByteBuf getBytes(int index, ByteBuffer dst) {
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UnsafeByteBufUtil.getBytes(this, addr(index), index, dst);
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return this;
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}
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@Override
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public ByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
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UnsafeByteBufUtil.getBytes(this, addr(index), index, out, length);
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return this;
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}
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@Override
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protected void _setByte(int index, int value) {
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UnsafeByteBufUtil.setByte(addr(index), (byte) value);
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}
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@Override
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protected void _setShort(int index, int value) {
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UnsafeByteBufUtil.setShort(addr(index), value);
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}
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@Override
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protected void _setShortLE(int index, int value) {
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UnsafeByteBufUtil.setShortLE(addr(index), value);
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}
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@Override
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protected void _setMedium(int index, int value) {
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UnsafeByteBufUtil.setMedium(addr(index), value);
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}
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@Override
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protected void _setMediumLE(int index, int value) {
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UnsafeByteBufUtil.setMediumLE(addr(index), value);
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}
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@Override
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protected void _setInt(int index, int value) {
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UnsafeByteBufUtil.setInt(addr(index), value);
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}
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@Override
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protected void _setIntLE(int index, int value) {
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UnsafeByteBufUtil.setIntLE(addr(index), value);
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}
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@Override
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protected void _setLong(int index, long value) {
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UnsafeByteBufUtil.setLong(addr(index), value);
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}
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@Override
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protected void _setLongLE(int index, long value) {
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UnsafeByteBufUtil.setLongLE(addr(index), value);
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}
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@Override
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public ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
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UnsafeByteBufUtil.setBytes(this, addr(index), index, src, srcIndex, length);
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return this;
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}
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@Override
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public ByteBuf setBytes(int index, byte[] src, int srcIndex, int length) {
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UnsafeByteBufUtil.setBytes(this, addr(index), index, src, srcIndex, length);
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return this;
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}
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@Override
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public ByteBuf setBytes(int index, ByteBuffer src) {
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UnsafeByteBufUtil.setBytes(this, addr(index), index, src);
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return this;
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}
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@Override
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public int setBytes(int index, InputStream in, int length) throws IOException {
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return UnsafeByteBufUtil.setBytes(this, addr(index), index, in, length);
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}
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@Override
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public ByteBuf copy(int index, int length) {
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return UnsafeByteBufUtil.copy(this, addr(index), index, length);
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}
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@Override
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public boolean hasArray() {
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return false;
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}
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@Override
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public byte[] array() {
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throw new UnsupportedOperationException("direct buffer");
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}
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@Override
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public int arrayOffset() {
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throw new UnsupportedOperationException("direct buffer");
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}
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@Override
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public boolean hasMemoryAddress() {
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return true;
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}
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@Override
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public long memoryAddress() {
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ensureAccessible();
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return memoryAddress;
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}
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private long addr(int index) {
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return memoryAddress + index;
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}
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@Override
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protected SwappedByteBuf newSwappedByteBuf() {
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if (PlatformDependent.isUnaligned()) {
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// Only use if unaligned access is supported otherwise there is no gain.
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return new UnsafeDirectSwappedByteBuf(this);
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}
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return super.newSwappedByteBuf();
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}
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@Override
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public ByteBuf setZero(int index, int length) {
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checkIndex(index, length);
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UnsafeByteBufUtil.setZero(addr(index), length);
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return this;
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}
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@Override
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public ByteBuf writeZero(int length) {
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ensureWritable(length);
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int wIndex = writerIndex;
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UnsafeByteBufUtil.setZero(addr(wIndex), length);
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writerIndex = wIndex + length;
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return this;
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}
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}
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