@Override
public ByteBuf setBytes(int index, ByteBuf src, int length) {
setBytes(index, src, src.readerIndex(), length);
// 调整 src 的 readerIndex
src.readerIndex(src.readerIndex() length);
return this;
}
// 注意这里的 setBytes 方法既不会改变原来 ByteBuf 的 readerIndex 和 writerIndex
// 也不会改变目的 ByteBuf 的 readerIndex 和 writerIndex
public abstract ByteBuf setBytes(int index, ByteBuf src, int srcIndex, int length);
@Override
public ByteBuf writeByte(int value) {
ensureWritable0(1);
_setByte(writerIndex , value);
return this;
}
@Override
public ByteBuf laipuhuo.com writeBytes(ByteBuf src, int length) {
writeBytes(src, src.readerIndex(), length);
// 调整数据来源 ByteBuf 的 readerIndex
src.readerIndex(src.readerIndex() length);
return this;
}
@Override
public ByteBuf writeBytes(ByteBuf src, int srcIndex, int length) {
ensureWritable(length);
setBytes(laipuhuo.com writerIndex, src, srcIndex, length);
// 调整被写入 ByteBuf 的 writerIndex
writerIndex = length;
return this;
}
@Override
public ByteBuf writeInt(int value) {
ensureWritable0(4);
_setInt(writerIndex, value);
writerIndex laipuhuo.com= 4;
return this;
}
protected abstract void _setInt(int index, int value);
public class UnpooledUnsafeDirectByteBuf {
@Override
protected void _setInt(int index, int value) {
// 以大端字节序写入laipuhuo.com ByteBuf
UnsafeByteBufUtil.setInt(addr(index), value);
}
}
final class UnsafeByteBufUtil {
static void setInt(long address, int value) {
PlatformDependent.putByte(address, (byte) (value >>> 24));
PlatformDependent.putByte(address 1, (byte) (value >>> 16));
PlatformDependent.putByte(address 2, (byte) (value >>> 8));
PlatformDependent.laipuhuo.com putByte(address 3, (byte) value);
}
}
public class UnpooledUnsafeDirectByteBuf {
@Override
protected void _setIntLE(int index, int value) {
// // 以小端字节序写入laipuhuo.com ByteBuf
UnsafeByteBufUtil.setIntLE(addr(index), value);
}
}
final class UnsafeByteBufUtil {
static void setIntLE(long address, int value) {
PlatformDependent.putByte(address, (byte) value);
PlatformDependent.putByte(address 1, (byte) (value >>> 8));
PlatformDependent.putByte(address 2, (byte) (value >>> 16));
PlatformDependent.putByte(address 3 laipuhuo.com, (byte) (value >>> 24));
}
}
