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头部内容固定，脏数据不能处理，一直阻塞到半包 #236

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vertee opened this issue May 31, 2023 · 3 comments
Open

头部内容固定，脏数据不能处理，一直阻塞到半包 #236

vertee opened this issue May 31, 2023 · 3 comments

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@vertee
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vertee commented May 31, 2023

比如头部是0xCAFE，framedecoder，不会按照这个头部去截取正确的帧，只是简单的按长度处理，如果上传的数据有的错误的，不按0xCAFE这个头部传，后续的数据都无法解析
@xxl6097
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xxl6097 commented Jun 5, 2023

framedecoder只能处理断黏包，包的完整性，是需要业务校验的

@vertee
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vertee commented Jun 5, 2023

好的，但是请问下我校验出来了，怎么丢弃错误的数据

@xxl6097
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xxl6097 commented Jun 7, 2023

framedecoder计算后的数据包，是符合你私有协议的数据包，只是你通过包头或者crc校验数据包是错误的，那么这个错误大概率是客户端发的一包错误数据，你直接丢弃，不做处理就行

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@xxl6097 @vertee