Re: [Tipc-discussion] [BUG]send function cannot send messages whose size are more than 66000 bytes

[Jon M. <jon...@er...>]

Hi Hu,
It does fragment/defragment messages, but only up to a limit, depending
on the socket type you are using. If you use message oriented sockets,
i.e., SOCK_SEQPACKET,SOCK_RDM or SOCK_DGRAM, it will
only fragment up to MAX_MSG_SIZE, which is indeed 66000 bytes.

If you use SOCK_STREAM, it will fragment up to a size of 100 Mbyte
per sent "chunk". I must admit that I have still not tested this feature
beyond 66k (this is on my TODO list), so you may quite well run into
bugs here.  Any feedback on this is welcome.

Regards /Jon

Yin, Hu wrote:

>Hi Jon,
>
>I'm a intern of Intel China Software Lab. Now I'm doing TIPC's
>validation job here.
>
>Today I meet a problem. When I write a little program to send/receive
>different sizes message between two programs there will be error( errno:
>22, "Invalid argument") when the size of message is more than 66000
>bytes.
>
>Doesn't TIPC fragment and defragment messages? 
>
>Best regards,
>
>Nick Yin
>
>Intel China Software Lab
>
>The content of this email message solely contains my own personal views,
>and not those of my employer.
>
>
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