[QUIC] Wrong dcid len in ngx_quic_select_socket_by_dcid

[Khomutov Vladimir]

11.03.2021 10:08, Gao,Yan(ACG VCP) пишет:
>
> Console client:
>
> ~/ngtcp2/examples/client 127.0.0.1 443 
> https://example.com:443/index.html 
> --dcid=00000000000000166142cdef2ef2ca5e4be5
>
> Bpf log:
>
> <...>-43083   [001] d.s1 94117.746924: bpf_trace_printk: nginx quic 
> socket len 0x1d
>
> <...>-43083   [001] d.s1 94117.746936: bpf_trace_printk: nginx quic 
> default route for key 0x16
>
> <...>-43083   [000] d.s1 94117.764132: bpf_trace_printk: nginx quic 
> socket len 0x1d
>
> <...>-43083   [000] d.s1 94117.764140: bpf_trace_printk: nginx quic 
> socket selected by key 0x20
>
> <...>-43083   [000] d.s1 94117.764709: bpf_trace_printk: nginx quic 
> socket selected by key 0x20
>
> <...>-43083   [000] d.s1 94117.769174: bpf_trace_printk: nginx quic 
> socket selected by key 0x20
>
> <...>-43083   [000] d.s1 94127.852160: bpf_trace_printk: nginx quic 
> socket selected by key 0x20
>
> The  [nginx quic socket len] is added to show the case, it shoud be 
> 0x12, as 18 bytes
>
> Len should assign after advance_data(1)
>
> Patch and pcap see the attachment
>
> Gao,Yan(ACG VCP)
>
>
Thank you for reporting, now I see the problem, will fix it.

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