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SURVEYOR socket now uses clock instance from socket_base_t
for measuring survey timeout. This allows for better performance
in tight xs_recv() loops.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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This patch instantiate a clock_t instance for each XS
socket. Thus, it is shared between subsequent calls
to xs_recv (and xs_send). That in turn significantly
limits the number of invocations of getimeofday (or similar)
when timeouts are used and recv/send is called in a
tight loop.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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It can be used to timeout the survey. Value is in milliseconds
and -1 means infinite (default).
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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This patch propoagates the error from signaler and mailbox
initialisation up the stack.
To achieve this signaler and mailbox classes were re-written
is C-like syntax.
Finally, shutdown_stress test now ignores EMFILE/ENFILE errors.
Thus, the tests should pass even on OSX which sets the max
number of file descriptors pretty low by default.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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It doesn't play well with multipart messages.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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The inspiration for this re-write came form John Skaller's
patch. Adding him to Credits section of the AUTHORS file.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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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>
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Timers are not longer identified by hard-wired IDs.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Poller object is virtualised. You can access poller via its
base class (poller_base_t) instead of using poller_t which
was a typedef pointing to actual derived class.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Polling handle type was previously dependent on polling mechanism
used. Now it is void* in all cases. This patch is a first step
in the long way to separate the transports from the core library.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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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>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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GENERIC allows to use 0MQ as a dumb networking framework.
It provides user with connect/disconnect notifications.
Also, each inbound message is labeled by ID of the connection
it originated from. Outbound messages should be labeled by
the ID of the connection to send them to.
To distinguish connect/disconnect notifications from common
messages, COMMAND flag was introduced.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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This patch simplifies the whole codebase significantly,
including dropping depedency on libuuid.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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So far there was no distinction between message parts used by 0MQ
and message parts used by user. Now, the message parts used by 0MQ
are marked as 'LABEL'.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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- Add doc and tests
- Add options and setup
- Wait using poll/select
Signed-off-by: Fabien Ninoles <fabien@tzone.org>
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Allow to have the same item part of two different arrays, as long as
they are using different array identifier.
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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>
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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>
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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>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Till now the deallocation of such socket was delayed
till zmq_term() thus creating a "leak".
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Reaper thread destroys the socket asynchronously.
zmq_term() can be interrupted by a signal (EINTR).
zmq_socket() will return ETERM after zmq_term() was called.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Dhammika Pathirana <dhammika@gmail.com>
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For historical reasons queue to transfer commands between
threads was called 'signaler'. Given that it was used to
pass commands rather than signals it was renamed to 'mailbox',
see Erlang mailboxes.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Threads were so far identified by integers called 'slots'.
This patch renames them to more comprehensible 'tid's (thread IDs).
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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1. ZMQ_LINGER option can be set/get
2. options are part of own_t base class rather than being declared
separately by individual objects
3. Linger option is propagated with "term" command so that the
newest value of it is used rather than the stored old one.
4. Session sets the linger timer if needed and terminates
as soon as it expires.
5. Corresponding documentation updated.
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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corresponding context was closed, it doesn't track whether zmq_close was called on the socket itself
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