[Bugs] [Bug 1671207] New: Several fixes on socket pollin and pollout return value

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1671207

            Bug ID: 1671207
           Summary: Several fixes on socket pollin and pollout return
                    value
           Product: GlusterFS
           Version: 5
            Status: NEW
         Component: rpc
          Severity: high
          Priority: high
          Assignee: bugs at gluster.org
          Reporter: mchangir at redhat.com
                CC: atumball at redhat.com, bugs at gluster.org,
                    zhhuan at gmail.com
        Depends On: 1666143
  Target Milestone: ---
    Classification: Community



+++ This bug was initially created as a clone of Bug #1666143 +++

Description of problem:

Found the return value of socket pollin and pollout for rpc message is not
correctly handled. One major problem is socket EAGAIN error will be returned
all the way back to dispatch handler and confuse user with error message like:

[2018-12-29 07:31:41.772310] E [MSGID: 101191]
[event-epoll.c:674:event_dispatch_epoll_worker] 0-epoll: Failed to dispatch
handler


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

--- Additional comment from Worker Ant on 2019-01-15 07:25:53 IST ---

REVIEW: https://review.gluster.org/22043 (socket: fix counting of socket
total_bytes_read and total_bytes_write) posted (#1) for review on master by
Zhang Huan

--- Additional comment from Worker Ant on 2019-01-15 07:27:04 IST ---

REVIEW: https://review.gluster.org/22044 (socket: fix issue when socket write
return with EAGAIN) posted (#1) for review on master by Zhang Huan

--- Additional comment from Worker Ant on 2019-01-15 07:28:10 IST ---

REVIEW: https://review.gluster.org/22046 (socket: don't pass return value from
protocol handler to event handler) posted (#1) for review on master by Zhang
Huan

--- Additional comment from Worker Ant on 2019-01-15 07:29:19 IST ---

REVIEW: https://review.gluster.org/22045 (socket: fix issue when socket read
return with EAGAIN) posted (#1) for review on master by Zhang Huan

--- Additional comment from Worker Ant on 2019-01-17 14:00:17 IST ---

REVIEW: https://review.gluster.org/22043 (socket: fix counting of socket
total_bytes_read and total_bytes_write) merged (#2) on master by Raghavendra G

--- Additional comment from Worker Ant on 2019-01-17 14:00:40 IST ---

REVIEW: https://review.gluster.org/22044 (socket: fix issue when socket write
return with EAGAIN) merged (#2) on master by Raghavendra G

--- Additional comment from Worker Ant on 2019-01-22 12:23:12 IST ---

REVIEW: https://review.gluster.org/22045 (socket: fix issue when socket read
return with EAGAIN) merged (#2) on master by Amar Tumballi

--- Additional comment from Worker Ant on 2019-01-22 12:30:25 IST ---

REVIEW: https://review.gluster.org/22046 (socket: don't pass return value from
protocol handler to event handler) merged (#3) on master by Amar Tumballi


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1666143
[Bug 1666143] Several fixes on socket pollin and pollout return value
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