Hi Vu and Thuan,

a few question, is the text in the ticket description correct? E.g it 
says unicast is used if a multicast message is fragmented, (I think 
multicast still is used

to send the fragments), this is what you mean with 2 different channels? 
(only one socket is used, BSRsock),

The problem stated is sending one large multicast message and then 
several smaller multicast messages, have you checked the

fragment re-assembly part of the common code?

/BR Hans


On 2019-04-24 13:06, thuan.tran wrote:
> Summary: mds: support multicast fragmented messages [#3033]
> Review request for Ticket(s): 3033
> Peer Reviewer(s): Hans, Minh, Vu
> Pull request to: *** LIST THE PERSON WITH PUSH ACCESS HERE ***
> Affected branch(es): develop
> Development branch: ticket-3033
> Base revision: 7916ac316e86478c621c8359cf2aca4886288a38
> Personal repository: git://git.code.sf.net/u/thuantr/review
>
> --------------------------------
> Impacted area       Impact y/n
> --------------------------------
>   Docs                    n
>   Build system            n
>   RPM/packaging           n
>   Configuration files     n
>   Startup scripts         n
>   SAF services            y
>   OpenSAF services        n
>   Core libraries          n
>   Samples                 n
>   Tests                   n
>   Other                   n
>
> NOTE: Patch(es) contain lines longer than 80 characers
>
> Comments (indicate scope for each "y" above):
> ---------------------------------------------
> N/A
>
> revision 568f09774f936506f5e05e03813fa572af0fe0d3
> Author:       thuan.tran <thuan.t...@dektech.com.au>
> Date: Wed, 24 Apr 2019 17:54:25 +0700
>
> mds: support multicast fragmented messages [#3033]
>
> - Sender may send broadcast big messages (> 65K) then small messages (< 65K).
> Current MDS just loop via all destinations to unicast all fragmented messages
> to one by one destinations. But sending multicast non-fragment messages to all
> destinations. Therefor, receivers may get messages with incorrect order,
> non-fragment messages may come before fragmented messages.
> For example, it may lead to OUT OF ORDER for IMMNDs during IMMD sync.
> - Solution: support send multicast each fragmented messages to avoid
> disorder of arrived broadcast messages.
>
>
>
> Complete diffstat:
> ------------------
>   src/mds/mds_c_sndrcv.c |   3 +-
>   src/mds/mds_dt_tipc.c  | 104 
> +++++++++++++++++++------------------------------
>   2 files changed, 40 insertions(+), 67 deletions(-)
>
>
> Testing Commands:
> -----------------
> N/A
>
> Testing, Expected Results:
> --------------------------
> N/A
>
> Conditions of Submission:
> -------------------------
> N/A
>
> Arch      Built     Started    Linux distro
> -------------------------------------------
> mips        n          n
> mips64      n          n
> x86         n          n
> x86_64      y          y
> powerpc     n          n
> powerpc64   n          n
>
>
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> -------------------
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