libzmq

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History

Ian Barber 409d5e8fff Allow blocking while connect() is completing

This patch, salvaged from a trainwreck accidental merge earlier, adds a
new sockopt, ZMQ_DELAY_ATTACH_ON_CONNECT which prevents a end point
being available to push messages to until it has fully connected, making
connect work more like bind. This also applies to reconnecting sockets,
which may cause message loss of in-queue messages, so it is sensible to
use this in conjunction with a low HWM and potentially an alternative
acknowledgement path.

Notes on most of the individual commits can be found the repository log.

2012-06-12 15:31:23 +01:00

Makefile.am

Revert "After speaking with Ben Gray and the discussion on the mailing list, this is an attempt to create a sockopt to allow connecting pipes to not immediately be available for traffic. The problem is in a PUSH to many PULL situation, where there is a connect to a PULL which is not there. This connect will immediately create a pipe (unlike bind), and traffic will be load balanced to that pipe. This means if there is a persistently unavailable end point then the traffic will queue until HWM is hit, and older messages will be lost."

2012-06-12 14:53:57 +01:00

test_connect_delay.cpp

Allow blocking while connect() is completing

2012-06-12 15:31:23 +01:00

test_connect_resolve.cpp

Revert "Revert "Merge branch 'master' of github.com:ianbarber/libzmq""

2012-06-12 14:43:18 +01:00

test_hwm.cpp

2011-11-01 18:06:11 +01:00