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为什么ChannelHander实现了channelRead()后，不显示释放ByteBuf引用呢？ #92

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zy-hao opened this issue Feb 22, 2024 · 3 comments
Open

为什么ChannelHander实现了channelRead()后，不显示释放ByteBuf引用呢？ #92

zy-hao opened this issue Feb 22, 2024 · 3 comments

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@zy-hao
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zy-hao commented Feb 22, 2024

大佬你好，我最近在学习Zfoo项目和Netty框架，我从书上看到继承了ChannelInboundHandlerAdapter重写了channelRead方法后需要显示调用ReferenceCountUtil.release(msg);去释放ByteBuf的引用，但看来该项目后发现好像没看到有类似操作，能麻烦说明下嘛...
@zy-hao zy-hao closed this as completed Feb 22, 2024
@jaysunxiao
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image

父类ByteToMessageCodec已经调用过release()方法了

@jaysunxiao jaysunxiao reopened this Feb 22, 2024
@jaysunxiao
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使用的是 ByteToMessageDecoder 这个类底层会自动管理ByteBuf自动进行内存的释放，ByteToMessageDecoder 继承 ChannelInboundHandlerAdapter并增强了它的功能

@zy-hao
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zy-hao commented Feb 22, 2024

确实，非常感谢！

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@jaysunxiao @zy-hao