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path: root/src/xsub.hpp
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2012-04-29Implement protocol versioning (except PGM)Martin Lucina
Implements SP protocol versioning, legacy protocol support, and the following pattern protocol versions: PAIR: v2 PUBSUB: v1 (legacy), v3 REQREP: v1 PIPELINE: v2 SURVEY: v1 Engine support is only for stream_engine_t at this stage. Signed-off-by: Martin Lucina <martin@lucina.net>
2012-04-15Filters can transform user subscriptions to wire subscriptionMartin Sustrik
Till now the subscription, as specified by the user, was send upstream. This patch allows SUB-side filter to transform the user subscription into wire subscription. For example, only a has can be sent upstream instead of a perfect subscription. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-14Separate subscription forwarding from SUB-side filteringMartin Sustrik
- subscription forwarding is handled by XSUB socket - filtering is handled by SUB sockets - subscriptions are decoupled from filter engines - filter doesn't have to be able to enumarate the subscriptions (no sf_enumerate function) Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-05XS_PLUGIN and XS_FILTER implementationMartin Sustrik
This patch introduces following features: - XS_PLUGIN context option to add plugins to libxs - XS_FILTER option to switch between different filter types - Automatic loading of plug-ins is *not* implemented. From the implementation point of view: - standard prefix filter is implemented as a pluggable filter - trie_t and mtrie_t are joined into a single class - the code for 0MQ/3.1 compatibility is left in in the form of comments - new test for testing re-subscriptions is added Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-02-16Full name of the project used in license headersMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-02-16poller_base_t renamed to io_thread_tMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-02-16io_thread_t merged with poller_base_tMartin Sustrik
The relationship of these two classes was 1:1. Thus one of them was obsolete. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-02-16Fix data loss for PUB/SUB and unidirectional transports (LIBZMQ-268)Martin Lucina
With the introduction of subscription forwarding, the first message sent on a PUB socket using a unidirectional transport (e.g. PGM) is always lost due to the "subscribe to all" being done asynchronously. This patch fixes the problem and also refactors the code to have a single point where the "subscribe to all" is performed. Signed-off-by: Martin Lucina <martin@lucina.net>
2012-02-16ZeroMQ renamed to CrossroadsMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-02-16Socket ID addedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-11-09Get AIX 6.1 compiling again by making msg_t class explicitAJ Lewis
Older versions of gcc have problems with in-line forward declarations when there's a naming conflict with a global symbol. Signed-off-by: AJ Lewis <aj.lewis@quantum.com> Expand the original patch to all such forward declarations. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-11-01Copyright dates adjusted to reflect realityMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-10-31250bpm copyrights addedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-09-15Session class separated into socket-type-specific sessionsMartin Sustrik
This is a preliminary patch allowing for socket-type-specific functionality in the I/O thread. For example, message format can be checked asynchronously and misbehaved connections dropped straight away. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-07-15ZMQ_IDENTITY socket option removedMartin Sustrik
This patch simplifies the whole codebase significantly, including dropping depedency on libuuid. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-05-30Patches from sub-forward branch incorporatedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-05-28Subscription matching moved from XSUB to SUB socketMartin Sustrik
This patch will prevent duplicate matching in devices in the future. Instead of matching in both XPUB and XSUB, it'll happen only in XPUB. Receiver endpoint will still filter messages via SUB socket. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-05-23Move the pipe termination code to socket_base_tMartin Sustrik
So far, the pipe termination code was spread among socket type classes, fair queuer, load balancer, etc. This patch moves all the associated logic to a single place. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-05-22Introduces bi-directional pipesMartin Sustrik
So far, there was a pair of unidirectional pipes between a socket and a session (or an inproc peer). This resulted in complex problems with half-closed states and tracking which inpipe corresponds to which outpipe. This patch doesn't add any functionality in itself, but is essential for further work on features like subscription forwarding. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-04-21Message-related functionality factored out into msg_t class.Martin Sustrik
This patch addresses serveral issues: 1. It gathers message related functionality scattered over whole codebase into a single class. 2. It makes zmq_msg_t an opaque datatype. Internals of the class don't pollute zmq.h header file. 3. zmq_msg_t size decreases from 48 to 32 bytes. That saves ~33% of memory in scenarios with large amount of small messages. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-03-02The copyrights in file headers updated.Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-02-26Memory leak in PUB/XPUB sockets fixed.Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-01-14XSUB socket has a subscription distributorMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2011-01-13Make cppcheck not complain about "'operator=' should return something"Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2010-12-05XSUB accepts (un)subscriptions in form of messages.Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2010-12-04XPUB and XSUB socket types added.Martin Sustrik
These are just placeholders. At the moment XPUB behaves th same as PUB and XSUB as SUB. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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