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protocol/icmp在IPv6下recvfrom返回错误 #613

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bamlan opened this issue Aug 27, 2024 · 5 comments
Open

protocol/icmp在IPv6下recvfrom返回错误 #613

bamlan opened this issue Aug 27, 2024 · 5 comments

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@bamlan
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bamlan commented Aug 27, 2024 •
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protocol/icmp在IPv6下无法使用， sendto调用正常返回，windows下recvfrom时错误代码10060, linux下错误代码 11
@bamlan bamlan changed the title i protocol/icmp在IPv6下recvfrom返回错误 Aug 27, 2024
@ithewei
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ithewei commented Aug 27, 2024

通过so_rcvtimeo设置了接收超时的，windows 10060和linux 11错误码都是超时未收到响应导致的，这个是正常现象

@bamlan
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bamlan commented Aug 27, 2024 •
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通过so_rcvtimeo设置了接收超时的，windows 10060和linux 11错误码都是超时未收到响应导致的，这个是正常现象

但我把超时时间设置为30秒都显示超时状态，ping ipv4地址就正常返回，地址使用系统ping程序都是正常能ping通的。

@ithewei
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ithewei commented Aug 27, 2024

我发现有个socket选项可能没用适配ipv6，把IPPROTO_ICMP改成IPPROTO_ICMPV6试试呢

@bamlan
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bamlan commented Aug 28, 2024

我发现有个socket选项可能没用适配ipv6，把IPPROTO_ICMP改成IPPROTO_ICMPV6试试呢

修改成：int sockfd = socket(peeraddr.sa.sa_family, SOCK_RAW, peeraddr.sa.sa_family == AF_INET6 ? IPPROTO_ICMPV6 : IPPROTO_ICMP); 还是一样的运行结果

@ithewei
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ithewei commented Sep 2, 2024

应该是ICMPV6和ICMP的报文内容也不同，需要详细研究下

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@bamlan @ithewei