Java Code Examples for io.netty.util.internal.PlatformDependent#copyMemory()

The following examples show how to use io.netty.util.internal.PlatformDependent#copyMemory() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: DrillBuf.java From Bats with Apache License 2.0

6 votes

public ByteBuf setBytes(int index, ByteBuffer src, int srcIndex, int length) {
  if (src.isDirect()) {
    checkIndex(index, length);
    PlatformDependent.copyMemory(PlatformDependent.directBufferAddress(src) + srcIndex, this.memoryAddress() + index,
        length);
  } else {
    if (srcIndex == 0 && src.capacity() == length) {
      udle.setBytes(index + offset, src);
    } else {
      ByteBuffer newBuf = src.duplicate();
      newBuf.position(srcIndex);
      newBuf.limit(srcIndex + length);
      udle.setBytes(index + offset, src);
    }
  }

  return this;
}

Example 2

Source File: PooledUnsafeDirectByteBuf.java From netty4.0.27Learn with Apache License 2.0

6 votes

@Override
public ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
    checkIndex(index, length);
    if (src == null) {
        throw new NullPointerException("src");
    }
    if (srcIndex < 0 || srcIndex > src.capacity() - length) {
        throw new IndexOutOfBoundsException("srcIndex: " + srcIndex);
    }

    if (length != 0) {
        if (src.hasMemoryAddress()) {
            PlatformDependent.copyMemory(src.memoryAddress() + srcIndex, addr(index), length);
        } else if (src.hasArray()) {
            PlatformDependent.copyMemory(src.array(), src.arrayOffset() + srcIndex, addr(index), length);
        } else {
            src.getBytes(srcIndex, this, index, length);
        }
    }
    return this;
}

Example 3

Source File: PoolArena.java From netty-4.1.22 with Apache License 2.0

6 votes

@Override
protected void memoryCopy(ByteBuffer src, int srcOffset, ByteBuffer dst, int dstOffset, int length) {
    if (length == 0) {
        return;
    }

    if (HAS_UNSAFE) {
        PlatformDependent.copyMemory(
                PlatformDependent.directBufferAddress(src) + srcOffset,
                PlatformDependent.directBufferAddress(dst) + dstOffset, length);
    } else {
        // We must duplicate the NIO buffers because they may be accessed by other Netty buffers.我们必须复制NIO缓冲区，因为它们可能被其他Netty缓冲区访问。
        src = src.duplicate();
        dst = dst.duplicate();
        src.position(srcOffset).limit(srcOffset + length);
        dst.position(dstOffset);
        dst.put(src);
    }
}

Example 4

Source File: ReadOnlyUnsafeDirectByteBuf.java From netty-4.1.22 with Apache License 2.0

6 votes

@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
    checkIndex(index, length);
    if (dst == null) {
        throw new NullPointerException("dst");
    }
    if (dstIndex < 0 || dstIndex > dst.capacity() - length) {
        throw new IndexOutOfBoundsException("dstIndex: " + dstIndex);
    }

    if (dst.hasMemoryAddress()) {
        PlatformDependent.copyMemory(addr(index), dst.memoryAddress() + dstIndex, length);
    } else if (dst.hasArray()) {
        PlatformDependent.copyMemory(addr(index), dst.array(), dst.arrayOffset() + dstIndex, length);
    } else {
        dst.setBytes(dstIndex, this, index, length);
    }
    return this;
}

Example 5

Source File: UnpooledUnsafeDirectByteBuf.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public int setBytes(int index, InputStream in, int length) throws IOException {
    checkIndex(index, length);
    byte[] tmp = new byte[length];
    int readBytes = in.read(tmp);
    if (readBytes > 0) {
        PlatformDependent.copyMemory(tmp, 0, addr(index), readBytes);
    }
    return readBytes;
}

Example 6

Source File: PooledUnsafeDirectByteBuf.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public ByteBuf getBytes(int index, byte[] dst, int dstIndex, int length) {
    checkIndex(index, length);
    if (dst == null) {
        throw new NullPointerException("dst");
    }
    if (dstIndex < 0 || dstIndex > dst.length - length) {
        throw new IndexOutOfBoundsException("dstIndex: " + dstIndex);
    }
    if (length != 0) {
        PlatformDependent.copyMemory(addr(index), dst, dstIndex, length);
    }
    return this;
}

Example 7

Source File: UnpooledHeapByteBuf.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
    checkDstIndex(index, length, dstIndex, dst.capacity());
    if (dst.hasMemoryAddress()) {
        PlatformDependent.copyMemory(array, index, dst.memoryAddress() + dstIndex, length);
    } else if (dst.hasArray()) {
        getBytes(index, dst.array(), dst.arrayOffset() + dstIndex, length);
    } else {
        dst.setBytes(dstIndex, array, index, length);
    }
    return this;
}

Example 8

Source File: PooledHeapByteBuf.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
    checkDstIndex(index, length, dstIndex, dst.capacity());
    if (dst.hasMemoryAddress()) {
        PlatformDependent.copyMemory(memory, idx(index), dst.memoryAddress() + dstIndex, length);
    } else if (dst.hasArray()) {
        getBytes(index, dst.array(), dst.arrayOffset() + dstIndex, length);
    } else {
        dst.setBytes(dstIndex, memory, idx(index), length);
    }
    return this;
}

Example 9

Source File: UnsafeByteBufUtil.java From netty-4.1.22 with Apache License 2.0

5 votes

static void getBytes(AbstractByteBuf buf, long addr, int index, ByteBuf dst, int dstIndex, int length) {
    buf.checkIndex(index, length);
    checkNotNull(dst, "dst");
    if (isOutOfBounds(dstIndex, length, dst.capacity())) {
        throw new IndexOutOfBoundsException("dstIndex: " + dstIndex);
    }

    if (dst.hasMemoryAddress()) {
        PlatformDependent.copyMemory(addr, dst.memoryAddress() + dstIndex, length);
    } else if (dst.hasArray()) {
        PlatformDependent.copyMemory(addr, dst.array(), dst.arrayOffset() + dstIndex, length);
    } else {
        dst.setBytes(dstIndex, buf, index, length);
    }
}

Example 10

Source File: UnsafeByteBufUtil.java From netty-4.1.22 with Apache License 2.0

5 votes

static int setBytes(AbstractByteBuf buf, long addr, int index, InputStream in, int length) throws IOException {
    buf.checkIndex(index, length);
    ByteBuf tmpBuf = buf.alloc().heapBuffer(length);
    try {
        byte[] tmp = tmpBuf.array();
        int offset = tmpBuf.arrayOffset();
        int readBytes = in.read(tmp, offset, length);
        if (readBytes > 0) {
            PlatformDependent.copyMemory(tmp, offset, addr, readBytes);
        }
        return readBytes;
    } finally {
        tmpBuf.release();
    }
}

Example 11

Source File: UnSafeTuple.java From tajo with Apache License 2.0

5 votes

@Override
public byte[] getBytes(int fieldId) {
  long pos = getFieldAddr(fieldId);
  int len = PlatformDependent.getInt(pos);
  pos += SizeOf.SIZE_OF_INT;

  byte [] bytes = new byte[len];
  PlatformDependent.copyMemory(pos, bytes, 0, len);
  return bytes;
}

Example 12

Source File: LBlockHashTableNoSpill.java From dremio-oss with Apache License 2.0

5 votes

public void traceOrdinals(final long indexes, final int numRecords) {
  if (traceBuf == null) {
    return;
  }
  PlatformDependent.copyMemory(indexes, traceBufNext, 4 * numRecords);
  traceBufNext += 4 * numRecords;
}

Example 13

Source File: UnSafeTuple.java From tajo with Apache License 2.0

5 votes

public HeapTuple toHeapTuple() {
  HeapTuple heapTuple = new HeapTuple();
  byte [] bytes = new byte[getLength()];
  PlatformDependent.copyMemory(address(), bytes, 0, getLength());
  heapTuple.set(bytes, types);
  return heapTuple;
}

Example 14

Source File: PooledHeapByteBuf.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
public final ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length) {
    checkSrcIndex(index, length, srcIndex, src.capacity());
    if (src.hasMemoryAddress()) {
        PlatformDependent.copyMemory(src.memoryAddress() + srcIndex, memory, idx(index), length);
    } else if (src.hasArray()) {
        setBytes(index, src.array(), src.arrayOffset() + srcIndex, length);
    } else {
        src.getBytes(srcIndex, memory, idx(index), length);
    }
    return this;
}

Example 15

Source File: PooledHeapByteBuf.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
public final ByteBuf getBytes(int index, ByteBuf dst, int dstIndex, int length) {
    checkDstIndex(index, length, dstIndex, dst.capacity());
    if (dst.hasMemoryAddress()) {
        PlatformDependent.copyMemory(memory, idx(index), dst.memoryAddress() + dstIndex, length);
    } else if (dst.hasArray()) {
        getBytes(index, dst.array(), dst.arrayOffset() + dstIndex, length);
    } else {
        dst.setBytes(dstIndex, memory, idx(index), length);
    }
    return this;
}

Example 16

Source File: UnsafeDirectLittleEndian.java From Bats with Apache License 2.0

5 votes

@Override
public ByteBuf getBytes(int index, OutputStream out, int length) throws IOException {
  wrapped.checkIndex(index, length);
  if (length != 0) {
    byte[] tmp = new byte[length];
    PlatformDependent.copyMemory(addr(index), tmp, 0, length);
    out.write(tmp);
  }
  return this;
}

Example 17

Source File: UnsafeDirectLittleEndian.java From Bats with Apache License 2.0

5 votes

@Override
public int setBytes(int index, InputStream in, int length) throws IOException {
  wrapped.checkIndex(index, length);
  byte[] tmp = new byte[length];
  int readBytes = in.read(tmp);
  if (readBytes > 0) {
    PlatformDependent.copyMemory(tmp, 0, addr(index), readBytes);
  }
  return readBytes;
}

Example 18

Source File: PooledUnsafeDirectByteBuf.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public int setBytes(int index, InputStream in, int length) throws IOException {
    checkIndex(index, length);
    byte[] tmp = new byte[length];
    int readBytes = in.read(tmp);
    if (readBytes > 0) {
        PlatformDependent.copyMemory(tmp, 0, addr(index), readBytes);
    }
    return readBytes;
}

Example 19

Source File: VariableBlockVector.java From dremio-oss with Apache License 2.0

5 votes

private void resizeBuffer(int sizeInBytes) {
  int targetSize = Numbers.nextPowerOfTwo(sizeInBytes);
  final ArrowBuf oldBuf = buf;
  buf = allocator.buffer(targetSize);
  PlatformDependent.copyMemory(oldBuf.memoryAddress(), buf.memoryAddress(), oldBuf.capacity());
  buf.writerIndex(oldBuf.writerIndex());
  oldBuf.release();
}

Example 20

Source File: Copier.java From dremio-oss with Apache License 2.0

4 votes

public static void unsafeCopy1MB(final long src, final long dst, int len) {
  PlatformDependent.copyMemory(src, dst, len);
}