Summary: mds: Add Nack message for MDS_TIPC_FCTRL_ENABLED [#3095]
Review request for Ticket(s): 3095
Peer Reviewer(s): Hans, Vu, Gary, Thuan
Pull request to: *** LIST THE PERSON WITH PUSH ACCESS HERE ***
Affected branch(es): develop
Development branch: ticket-3095
Base revision: 46e9e0f310a6c21dbc89a9ffd8bee26829342c0c
Personal repository: git://git.code.sf.net/u/minh-chau/review
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Impacted area Impact y/n
--------------------------------
Docs n
Build system n
RPM/packaging n
Configuration files n
Startup scripts n
SAF services n
OpenSAF services n
Core libraries y
Samples n
Tests n
Other n
Comments (indicate scope for each "y" above):
---------------------------------------------
*** EXPLAIN/COMMENT THE PATCH SERIES HERE ***
revision 22d7ea1769bac1b65631a09fddec63e6f5a146b5
Author: Minh Chau <minh.c...@dektech.com.au>
Date: Tue, 1 Oct 2019 15:23:01 +1000
mds: Add Nack message for MDS_TIPC_FCTRL_ENABLED [#3095]
In the scenario of recovery from split-brain, where both
active director services may suffer mds message loss due
to lost-contact tipc link. If MDS_TIPC_FCTRL_ENABLED is
set, the out-of-order message will be dropped, and there
is no mechanism to trigger the retransmission from receiver
side at this moment (the retransmission is only triggered
from sender as result of TIPC_ERR_OVERLOAD).
In reception of disordered message, the receiver can send
not-acknowledgement to notify the sender for retransmission.
Therefore, the sender can trigger retransmisison in the same
way as receiving TIPC_ERR_OVERLOAD.
This patch adds Nack message for retransmission of disordered
message detected from receiver side.
Complete diffstat:
------------------
src/mds/mds_c_api.c | 2 +-
src/mds/mds_dt_common.c | 2 +-
src/mds/mds_tipc_fctrl_intf.cc | 19 ++++++++++++++++++-
src/mds/mds_tipc_fctrl_msg.cc | 33 +++++++++++++++++++++++++++++++++
src/mds/mds_tipc_fctrl_msg.h | 22 ++++++++++++++++++++++
src/mds/mds_tipc_fctrl_portid.cc | 18 +++++++++++++++++-
src/mds/mds_tipc_fctrl_portid.h | 1 +
7 files changed, 93 insertions(+), 4 deletions(-)
Testing Commands:
-----------------
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Testing, Expected Results:
--------------------------
*** PASTE COMMAND OUTPUTS / TEST RESULTS ***
Conditions of Submission:
-------------------------
*** HOW MANY DAYS BEFORE PUSHING, CONSENSUS ETC ***
Arch Built Started Linux distro
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mips n n
mips64 n n
x86 n n
x86_64 y y
powerpc n n
powerpc64 n n
Reviewer Checklist:
-------------------
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