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2012-04-17XS_SURVEY_TIMEOUT socket option added.Martin Sustrik
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>
2012-04-17"Survey" pattern implementedMartin Sustrik
Survey pattern is "multicast with reply". There are two roles: surveyor and respondent. Surveyor publishes a survey which gets delivered to all connected respondents. Each repondent can send a response to the survey. All the responses are delivered to the original surveyor. Once the surveyor decides that the survey is over (e.g. deadline was reached) it can send initiate survey. Late responses from old surveys are automatically discarded by the surveyor socket. Socket types: SURVEYOR, XSURVEYOR, RESPONDENT, XRESPONDENT Patch also includes a test program with surveoyr, two respondents and an intermediary device. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-16Few trivial fixes to REQ/REP pattern.Martin Sustrik
- couple of comments adjusted - empty 'stack delimiter' message correctly closed - non-reachable function xrep_t::rollback() removed Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-16Automotic loading of plugins (Linux)Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-16Define the XS_PREFIX_PATH macro with the installation prefixGabriele Svelto
Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-04-16Automatic loading of plugins on WindowsMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-16Honour --with-poller option for synchronous pollingMartin Sustrik
While --with-poller configure option could be used for selecting the polling mechanism for I/O threads (asynchronous), synchronous polling (xs_poll, signaler_t) was not affected by the option. This patch uses selected mechanism is it is either 'select' or 'poll'. Othrwise it chooses the mechanism according to the platform. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-15thread_t rewritten in C styleMartin Sustrik
thread_t is one of the classes where C++ syntax creates more problems then it solves. This patch converts it into simple C-style pseudo-class. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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>
2012-04-15Minor improvement to error reportingMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-15Report EMFILE/ENFILE from xs_socket()Martin Sustrik
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>
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>
2012-04-14Check for SO_NOSIGPIPE availability instead of OS nameAndrew W. Nosenko
* src/stream_engine.cpp (stream_engine_t::stream_engine_t): Use #ifdef SO_NOSIGPIPE instead of #if defined XS_HAVE_OSX || defined XS_HAVE_FREEBSD
2012-04-14If available, use MSG_NOSIGNAL for send()Martin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-14Set options on new sockets in systematic mannerMartin Sustrik
This patch consolidates the up-to-now scattered code that sets different options on newly created sockets. There are open_socket and open_tcp_socket functions that do the tuning automatically. In case the socket is not created but got from elsewhere (such as accept() call) there are tune_socket and tune_tcp_socket functions that will do the tuning. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-12Memory allocation bug fixed in prefix filterMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-12Accumulated cruft removed from prefix_filter_tMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-11HANDLE_FLAG_INHERIT is set to 0 on internal socketsMartin Sustrik
On Windows, HANDLE_FLAG_INHERIT is equivalent to O_CLOEXEC on UNIX. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-11ETIMEDOUT is a valid error code here. Fixes intermittent assertion failure ↵Mikko Koppanen
on laggy networks
2012-04-10Fix a warning with SunStudio compilerMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-09Fix fd/handle conversion in /dev/poll poller codeGabriele Svelto
Signed-off-by: Gabriele Svelto <gabriele.svelto@gmail.com>
2012-04-08Set CLOEXEC flag on fds used by signalerMartin Sustrik
While TCP and IPC socket duplicates are correctly closed on fork+exec, file descriptors used for internal communication within libxs are not. This patch fixes the problem. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-08Handle insufficient resources on accept() decentlyMartin Sustrik
If accept() call fails due to insuffient OS resources the new connection is rejected. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-07Fix error handling in TCP and IPC connectersMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-07Fix identity exchange for inproc transportMartin Hurton
The socket connecting using the inproc transport never received the identity of the remote peer.
2012-04-06Flush identity message for inproc transportMartin Hurton
The scoket implementation for inproc transfer failed to flush identity message. The result was that the identity message was not delivered until after the user sent the first message. The identity message was never delivered if the user used the socket only to receive messages.
2012-04-06tcp_address: check address length before manipulating itMartin Hurton
2012-04-06EMTHREAD error code removedMartin Sustrik
libxs (as opposed to libzmq) requires at least one I/O thread per context. Thus, "no I/O thread available" error doesn't make sense anyome. This patch removes the code and the documentation. It keeps the definition of EMTHREAD itself for backward compatibility. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-06Verious warnings generated by SunStudio fixedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-06Allow pipe_t::flush() to be called from pipe_t::terminate()Martin Sustrik
Previous patch have broken flushing a delimiter in pipe_t::terminate() function. This patch allows the flush to happen even if pipe state is set to 'terminated'. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-06Fix bogus typo in xs::pipe_t::flush()Andrew W. Nosenko
* src/pipe.cpp (flush): Fix bogus typo: '&&' was used instead of '||'
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>
2012-04-04Accept ECONNRESET from close()Martin Sustrik
Although not a POSIX behaviour, FreeBSD can fail with ECONNRESET. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-04-040MQ/2.1 wire format compatibility implementedMartin Sustrik
- XS_PROTOCOL option added - libxs ignores when unused flags are set to 1 (0MQ/2.1 bug) - compatibility tests added Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-28XS_KEEPALIVE options addedMartin Sustrik
This option allows to turn on TCP keepalives on the underlying connections. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-26Handle duplicate identities decentlyMartin Sustrik
When connection with duplicate identity arrives it is ignored. Till now it resulted in assertion. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-25Signaler's global event is now accessible by everyoneMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-24Fix race condition in find_endpointMartin Hurton
2012-03-24Fixed issue LIBZMQ-345 - race condition in ctx.socket/term allows segfaultPieter Hintjens
2012-03-23Add long comment about security problem on Windows platformMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-23Error handling during connectMartin Sustrik
Error handling of asynchronous connect for IPC was incorrectly copied from TCP transport. This patch fixes the problem. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-20Make REQ session state machine aware of reconnectionsMartin Sustrik
On reconnections, state machine in req_session_t is reset to the initial state. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-20Send identities on reconnectMartin Sustrik
When reconnection happened, identity was not resent to the peer. Fixed. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-20Small ommision in session creation mechanismMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-17Use strncpy() instead of strcpy().Piotr Sikora
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
2012-03-17Add missing <sys/types.h> header.Piotr Sikora
Signed-off-by: Piotr Sikora <piotr.sikora@frickle.com>
2012-03-14Removed leftovers from a logging experimentMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-13Type of XS_MAXMSGSIZE changed to uint64_tMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-13'timeout' parameter in xs_poll changed to intMartin Sustrik
Originally, the parameter was of type long which is incompatible with POSIX poll() function. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
2012-03-13MSVC build fixed; xs_utils.h includes removedMartin Sustrik
Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
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