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* pollers: use atomic bit masking operations to eliminate lockssGarrett D'Amore2024-12-22
| | | | This is done for kqueue and poll. Others coming soon.
* ipc dialer: use common refcnt logicGarrett D'Amore2024-12-22
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* poll: sign extension bug + incorrect use leads to tiny max files on macOSGarrett D'Amore2024-12-22
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* posix IPv6: BSD platforms us netinet6/in6.hGarrett D'Amore2024-12-21
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* posix udp: AF_INET6 fixupGarrett D'Amore2024-12-21
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* posix udp: More explicit checks for bogus address familyGarrett D'Amore2024-12-21
| | | | | This triggered an error on FreeBSD because apparently FreeBSD will return a different value when seeing an AF_UNIX socket with UDP.
* posix udp: stop the PFD explicitly before finalizingGarrett D'Amore2024-12-21
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* poll: fix poll based pollerGarrett D'Amore2024-12-21
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* epoll: fixes for races and early wakeupsGarrett D'Amore2024-12-21
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* posix: fix for IPC and TCP dialingGarrett D'Amore2024-12-21
| | | | | The dialer aio needs to be set before starting the dial operation, as the operation may complete right away.
* posix pollers: inline the pfd and make callbacks constantGarrett D'Amore2024-12-20
| | | | | | | This change moves the posix pollers to inline the PFD and makes the callbacks constant, so that we can dispense with tests, failures, and locks. It is anticipated that this will reduce lock based pressure on the bus and increase performance modestly.
* poll: performance improvements, simplificationsGarrett D'Amore2024-12-19
| | | | | | | | | | | We preallocate the arrays used for pollfds, based on what the system can tolerate (tunable with NNG_MAX_OPEN), and we change the code for inserting and removing pollfds from the list so that it can run without acquiring the locks during the main loop, only when adding or removing files. The poll() implementation is very nearly lock free in the hot code path, and soon will be.
* posix pollers: expose pfd structures (for sizes) and fix poller selectionGarrett D'Amore2024-12-19
| | | | | | | | | | | | | The poller selection in the previous poller changes for select were not quite functional. Also, while testing poll() based poller, there were problems where it simply did not work correctly, so this addresses those, and it seems to work now. The pfd structures are exposed as we intend to allow inlining them to eliminate the separate allocation and potential for failure during initialization. We also want to have plans afoot to eliminate a lot of the extra locking done done on each I/O iteration, and this is setting the foundation for that.
* kqueue: eliminate extra locking on each I/OGarrett D'Amore2024-12-18
| | | | | This should reduce lock pressure during I/O for FreeBSD and macOS, and should provide a small performance benefit.
* POSIX poller: add support for select, and for choosing the pollerGarrett D'Amore2024-12-17
| | | | | Some platforms or configurations may not have more modern options like kqueue or epoll, or may be constrained by policy.
* streams: add explicit stop functionsGarrett D'Amore2024-12-12
| | | | | | | | | | | | This allows us to explicitly stop streams, dialers, and listeners, before we start tearing down things. This hopefully will be useful in resolving use-after-free bugs in http, tls, and websockets. The new functions are not yet documented, but they are nng_stream_stop, nng_stream_dialer_stop, and nng_stream_listener_stop. They should be called after close, and before free. The close functions now close without blocking, but the stop function is allowed to block.
* performance: reference counters can use relaxed order when incrementingGarrett D'Amore2024-12-07
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* Remove the NNG_OPT_IPC_SECURITY_DESCRIPTOR option.Garrett D'Amore2024-11-24
| | | | | | | | This is now replaced with nng_listener_set_security_descriptor and nng_stream_listener_set_security_descriptor functions. We may elect to remove these entirely, but for named pipe users they are probably still quite useful. Moving towards UNIX domain sockets would obsolete this functionality.
* ipc: Add NNG_OPT_REMADDR for dialer.Garrett D'Amore2024-11-23
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* Use 32-bit port numbers.Garrett D'Amore2024-11-21
| | | | | While TCP and UDP port numbers are 16-bits, ZT uses a larger (24-bit) port number.
* URL refactor part 1.Garrett D'Amore2024-11-18
| | | | | | | This eliminates most (but not all) of the dynamic allocations associated with URL objects. A number of convenience fields on the URL are removed, but we are able to use common buffer for most of the details.
* URL u_port should be a number not a string.Garrett D'Amore2024-11-17
| | | | | | | | | | | The idea here is to reduce the dynamic allocations used for URLs, and also the back and forth with parsing begin strings and port numbers. We always resolve to a port number, and this is easier for everyone. The real goal in the long term is to eliminate dynamic allocation of the URL fields altogether, but that requires a little more work. This is a step in the right direction.
* Cleanup POSIX platform initialization.Garrett D'Amore2024-11-11
| | | | | This also avoids a potential leak of thread attributes. although no current platform actually seems to do so.
* refactor initialization/finalizationGarrett D'Amore2024-11-11
| | | | | | | | | Applications must now call nng_init(), but they can supply a set of parameters optionally. The code is now safe for multiple libraries to do this concurrently, meaning nng_fini no longer can race against another instance starting up. The nni_init checks on all public APIs are removed now.
* Remove unused sockaddr NULL checkGarrett D'Amore2024-11-06
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* remove nni_plat_println - we have nni_plat_printf which is good enoughGarrett D'Amore2024-11-05
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* ipc: listener cancellation testGarrett D'Amore2024-11-05
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* Remove untyped nng_pipe_get, support for untyped sockaddr set.Garrett D'Amore2024-11-03
| | | | This is a step on the path to removing unsafe untyped option accesses.
* Include sys/types.h to resolve possible missing typeGarrett D'Amore2024-10-28
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* Remove nng_stream_set function family.Garrett D'Amore2024-10-28
| | | | This was not really used or useful.
* remove legacy support for configuration of transport options on socketGarrett D'Amore2024-10-20
| | | | | | | | | Transport specific options should be configured on the end point. This has the most impact for TLS, as TLS dialers and listeners will need to be allocated apriori, to configure TLS options. Some legacy tests were removed... we're going to remove the legacy libnanomsg compatibility layer anyway.
* posix: add getentropy() based RNGGarrett D'Amore2024-10-06
| | | | | | | | XPG8 defines getentropy() as the only good source for random numbers. However, real world use a bit more nuanced. On BSD systems, we would prefer to use arc4random as it avoids unnecessary system calls. On Linux however, getentropy is implemented in terms of getrandom, and should be used directly when available.
* fixes #1866 clock_gettime is not used on Android, even though availablev1.9.0Garrett D'Amore2024-09-07
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* UDP: Introduce an experimental (undocumented for now) public API for UDP. ↵Garrett D'Amore2024-06-02
| | | | | | | | (#1838) This exposes the UDP methods as nng_ methods, and adds support for Multicast Membership, which is useful in a variety of situations. No documentation is provided, and applications should consider thios API experimental.
* Added realtime clock support, and better timestamping.Garrett D'Amore2024-04-14
| | | | | The realtime clock is not (yet) exposed for user applications, but it is used for logging timestamps accurately.
* add header to posix_rand_getrandom.cshikokuchuo2024-04-13
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* fixes #1496 Provide NNG_ENABLE_IPV6 option (disabled by default)Garrett D'Amore2024-02-25
| | | | | | | | | This also checks if the build system has the definitions for AF_INET6, which might help in some embedded IPv4 only settings. The resolver test is enhanced to include a check for IPv6 enabled in the kernel. IPv6 support is enabled by default, of course.
* Fix warning from inconsistent socket_pair prototype.Garrett D'Amore2024-01-06
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* fixes #1572 nng creates too many threadsGarrett D'Amore2024-01-01
| | | | | | | | | | | | This further limits some of the thread counts, but principally it offers a new runtime facility, nng_init_set_parameter(), which can be used to set certain runtime parameters on the number of threads, provided it is called before the rest of application start up. This facility is quite intentionally "undocumented", at least for now, as we want to limit our commitment to it. Still this should be helpful for applications that need to reduce the number of threads that are created.
* ipc: refactor get peerid support to use common POSIX codeGarrett D'Amore2023-12-29
| | | | | This eliminates some code. A test is added as well, so this should help with coverage.
* fixes #1746 Create a new socket:// transport for socketpair() based connectionsGarrett D'Amore2023-12-29
| | | | | | | | | | | | | This transport only listens, and creates connections when the application calls setopt on the lister with NNG_OPT_SOCKET_FD, to pass a file descriptor. The FD is turned into an nng_stream, and utilized for SP. The protocol over the descriptor is identical to the TCP protocol (not the IPC protocol). The options for peer information are borrowed from the IPC transport, as they may be useful for these purposes. This includes a test suite and full documentation.
* fixes #1675 undefined behavior in posix ipc_dialer_dialGarrett D'Amore2023-09-14
| | | | (This also affects TCP, and fixed there.)
* posix_resolv_gai.c: add AI_NUMERICSERV where undefinedSergey Fedorov2023-04-19
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* Fill NNG_PKGS to request nng dependencies from installed location. (#1641)Garrett D'Amore2023-02-05
| | | | Signed-off-by: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com> Co-authored-by: Andrey Vostrikov <andrey.vostrikov@cogentembedded.com>
* fixes #1586 Undefined reference to nni_atomic_swap & nni_atomic_cas(Built by ↵alvin12212022-05-29
| | | | gcc 4.8.5 ). (#1587)
* fixes #1576 Fallback not used when clock_gettime is unavailable (crash on ↵Garrett D'Amore2022-04-18
| | | | OSX < 10.12)
* Replace nni_aio_prov_set_extra with nni_aio_prov_set_data.Garrett D'Amore2021-12-31
| | | | | | This takes one less parameter, and is simpler. It will let us reclaim the aio_prov_extra data space as well, so that we can use it for other purposes.
* fixes #1550 GCC diagnostic inside functions not supported in older compilersGarrett D'Amore2021-12-25
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* Could use GCC atomics for older versions of GCC.Garrett D'Amore2021-12-08
| | | | | | | | This should help greatly with performance on older systems such as CentOS 7 and GCC 4.8. Though, such folks really should update to newer compilers. Folks running version of GCC earlier than 4.7 will still pay a rather significant performance penalty, as they still implement atomics with a global mutex.
* Compilation failure for atomics on legacy platforms (gcc 4.8, centos 7)Garrett D'Amore2021-12-08
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