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* fixes #329 type checking not done for setoptGarrett D'Amore2018-04-04
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* fixes #324 nni_aio_set_synch leads to race conditionGarrett D'Amore2018-04-04
| | | | | | | | fixes #325 synchronous aio completion crash fixes #327 move nni_clock() operations to outside the nni_aio_lk. This work was done for the context tree, and is necessary to properly enable that branch.
* fixes #312 idhash_walk stuff can be removedGarrett D'Amore2018-03-30
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* fixes #323 aio's iov may be reusedGarrett D'Amore2018-03-30
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* If timeout is NNG_TIME_NEVER, then simply deschedule.Garrett D'Amore2018-03-30
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* fixes #316 nni_aio_set_synch() usually doesn't do anythingGarrett D'Amore2018-03-30
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* fixes #301 String option handling for getoptGarrett D'Amore2018-03-20
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* fixes #296 Typed options should validate option typeGarrett D'Amore2018-03-20
| | | | | | | | | | | | | fixes #302 nng_dialer/listener/pipe_getopt_sockaddr desired This adds plumbing to pass and check the type of options all the way through. NNG_ZT_OPT_ORBIT is type UINT64, but you can use the untyped form to pass two of them if needed. No typed access for retrieving strings yet. I think this should allocate a pointer and copy that out, but that's for later.
* fixes #295 boolean options should use C99 bool typeGarrett D'Amore2018-03-18
| | | | | | | | | | | fixes #275 nng_pipe_getopt_ptr() missing? fixes #285 nng_setopt_ptr MIS fixes #297 nng_listener/dialer_close does not validate mode This change adds some missing APIs, and changes others. In particular, certain options are now of type bool, with size of just one. This is a *breaking* change for code that uses those options -- NNG_OPT_RAW, NNG_OPT_PAIR1_POLY, NNG_OPT_TLS_VERIFIED.
* fixes #287 remove NNG_OPT_DOMAIN, NNG_OPT_PROTOCOL, and NNG_OPT_TRANSPORTGarrett D'Amore2018-03-17
| | | | | While here we documented that certain options are not supported in the compatibility layer.
* fixes #289 nng_sockaddr could just be a unionGarrett D'Amore2018-03-14
| | | | fixes #290 sockaddr improvements
* nng_sleep_aio should honor aio timeout.Garrett D'Amore2018-03-12
| | | | | | | | | | | | | | The first problem was that using nng_sleep_aio was found to reset the timeout, and this caused subsequent operations to start failing with timeouts when reusing the AIO for other operations. The second thing is that we think it would be nicer if the presence of real aio timeouts were still honored, so that if the timeout is shorter than the sleep time, then we get back an NNG_ETIMEDOUT like every other operation, and we get back a 0 if the logical sleep operation completes normally.
* fixes #281 desire nng_sleep_aio()Garrett D'Amore2018-03-12
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* fixes #269 nngcat unreliable with ZeroTier transportGarrett D'Amore2018-03-07
| | | | | | | | | | | | | | | | | | | | This does a few things. First it closes a case where a dropped message could prevent subsequent connection attempts from getting through. Second, it changes the rate at which we retry, and the timeout, to be a lot more aggressive when attempting to establish a connection. We retry every 500 ms, for up to 2 minutes, before giving up. This gives a lot more resilience in the face of message loss that is typical of ZeroTier in some environments when first establishing communication. Third, makes the values for the connection attempts *tunable*, so that applications can adjust for different deployment scenarios. Fourth, it includes the ability to get the UDP socket name. This was needed during some debug, and may be useful for a real UDP transport later, so we're keeping it. Finally, we added documentation for the above items.
* fixes #265 nngcat should support persistent ZT nodesGarrett D'Amore2018-03-05
| | | | fixes #267 zerotier transport should lock ZT_HOME
* fixes #262 NNG_OPT_URL should be resolvedGarrett D'Amore2018-03-04
| | | | | | | | This causes TCP, TLS, and ZT endpoints to resolve any wildcards, and even IP addresses, when reporting the listen URL. The dialer URL is reported unresolved. Test cases for this are added as well, and nngcat actually reports this if --verbose is supplied.
* fixes #247 nngcat needs TLS optionsGarrett D'Amore2018-03-02
| | | | | | | While here we also fixed a bug in the --file handling that we noticed while writing the TLS handling. We also fixed a warning in the core (msgqueue) for set but unused variables.
* Introduce 'porting layer' Public API.Garrett D'Amore2018-02-20
| | | | | | | This introduces portable primitives for time, random numbers, synchronization primitives, and threading. These are somewhat primitive (least common denominiators), but they can help with writing portable applications, especially our own demo apps.
* fixes #234 Investigate enabling more verbose compiler warningsGarrett D'Amore2018-02-14
| | | | | | | We enabled verbose compiler warnings, and found a lot of issues. Some of these were even real bugs. As a bonus, we actually save some initialization steps in the compat layer, and avoid passing some variables we don't need.
* fixes #171 Refactor aio to use generic data fieldsGarrett D'Amore2018-02-08
| | | | | | | | This addresses the use of the pipe special field, and eliminates it. The message APIs (recvmsg, sendmsg) need to be updated as well still, but I want to handle that as part of a separate issue. While here we fixed various compiler warnings, etc.
* fixes #228 aio iov should have larger limits (dynamically allocated)Garrett D'Amore2018-02-05
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* Add, and document, the url->u_requri member.Garrett D'Amore2018-02-02
| | | | | This member is the value passed in actual HTTP protocol, so it is useful with the function nng_http_req_set_uri().
* fixes #173 Define public HTTP server APIGarrett D'Amore2018-02-01
| | | | | | | | | | | | | | | | | | | | | | | This introduces enough of the HTTP API to support fully server applications, including creation of websocket style protocols, pluggable handlers, and so forth. We have also introduced scatter/gather I/O (rudimentary) for aios, and made other enhancements to the AIO framework. The internals of the AIOs themselves are now fully private, and we have eliminated the aio->a_addr member, with plans to remove the pipe and possibly message members as well. A few other minor issues were found and fixed as well. The HTTP API includes request, response, and connection objects, which can be used with both servers and clients. It also defines the HTTP server and handler objects, which support server applications. Support for client applications will require a client object to be exposed, and that should be happening shortly. None of this is "documented" yet, bug again, we will follow up shortly.
* Expose scatter/gather I/O vectors; we will use for HTTP API.Garrett D'Amore2018-01-29
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* fixes #222 Public URL APIGarrett D'Amore2018-01-23
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* fixes #219 transports should take URL structure instead of string addressGarrett D'Amore2018-01-22
| | | | | | | | | | This eliminates a bunch of redundant URL parsing, using the common URL logic we already have in place. While here I fixed a problem with the TLS and WSS test suites that was failing on older Ubuntu -- apparently older versions of mbedTLS were unhappy if selecting OPTIONAL verification without a validate certificate chain.
* fixes #217 URL canonicalization needs workGarrett D'Amore2018-01-21
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* fixes #216 HTTP server side API refactoring, directory serving supportGarrett D'Amore2018-01-20
| | | | | | | | | | | This changes the backend (internal) HTTP API to provide a much more sensible handler scheme, where the handlers are opaque objects and we can allocate a handler for different types of tasks. We've also added support serving up directories of static content, and added code to validate that the directory serving is working as intended. This is a key enabling step towards the public API.
* fixes #211 Restore handling of '*' in URL logicGarrett D'Amore2018-01-17
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* Comment updates for reaping dependency graphs.Garrett D'Amore2018-01-17
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* fixes #209 NNG_OPT_TLS_VERIFIED is bustedGarrett D'Amore2018-01-17
| | | | | fixes #210 Want NNG_OPT_TLS_* options for TLS transport fixes #212 Eliminate a_endpt member of aio
* Supply default ports for some well-known schemes.Garrett D'Amore2018-01-16
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* url: fix typoLiam Staskawicz2018-01-16
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* Refactored file API.Garrett D'Amore2018-01-11
| | | | | | | | | This refactor of the file API provides a simpler and easier to use interface for our needs (and simpler to implement) in both the ZeroTier transport and the HTTP/TLS file accesses. It also removes some restrictions present on the old one, although it is still not suitable for working with large files. (It will work, just be very inefficient as the entire file must be loaded into memory.)
* fixes #196 surveyor pattern hangs after second surveyGarrett D'Amore2018-01-09
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* Fix possible use-after-free reaping things using random.Garrett D'Amore2018-01-05
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* Convert existing websocket and http code to use new URL framework.Garrett D'Amore2018-01-05
| | | | | | This also fixes a use-after-free bug in the HTTP framework, where the handler could be deleted why callbacks were still using it. (We now reference count the handlers.)
* Fix some more leaks, add a generic URL parser.Garrett D'Amore2018-01-05
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* Fix leaks on send.Garrett D'Amore2018-01-03
| | | | | | | I'm pretty sure I need to go back and review the handling of send messages for websocket too. We still have a receive leak in websocket and leaks caused by the new URL parsing code which needs to be refactored.
* fixes #166 Websocket TLS mappingGarrett D'Amore2017-12-30
| | | | | | | | | | | | | | | | | This introduces the wss:// scheme, which is available and works like the ws:// scheme if TLS is enabled in the library. The library modularization is refactored somewhat, to make it easier to use. There is now a single NNG_ENABLE_TLS that enables TLS support under the hood. This also adds a new option for the TLS transport, NNG_OPT_TLS_CONFIG (and a similar one for WSS, NNG_OPT_TLS_WSS_CONFIG) that offer access to the underlying TLS configuration object, which now has a public API to go with it as well. Note that it is also possible to use pure HTTPS using the *private* API, which will be exposed in a public form soon.
* Compilation fixes for Windows.Garrett D'Amore2017-12-27
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* fixes #2 Websocket transportGarrett D'Amore2017-12-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a rather large changeset -- it fundamentally adds websocket transport, but as part of this changeset we added a generic framework for both HTTP and websocket. We also made some supporting changes to the core, such as changing the way timeouts work for AIOs and adding additional state keeping for AIOs, and adding a common framework for deferred finalization (to avoid certain kinds of circular deadlocks during resource cleanup). We also invented a new initialization framework so that we can avoid wiring in knowledge about them into the master initialization framework. The HTTP framework is not yet complete, but it is good enough for simple static serving and building additional services on top of -- including websocket. We expect both websocket and HTTP support to evolve considerably, and so these are not part of the public API yet. Property support for the websocket transport (in particular address properties) is still missing, as is support for TLS. The websocket transport here is a bit more robust than the original nanomsg implementation, as it supports multiple sockets listening at the same port sharing the same HTTP server instance, discriminating between them based on URI (and possibly the virtual host). Websocket is enabled by default at present, and work to conditionalize HTTP and websocket further (to minimize bloat) is still pending.
* fixes #3 TLS transportGarrett D'Amore2017-11-20
| | | | | | | | | | | | | | | | | | | This introduces a new transport (compatible with the TLS transport from mangos), using TLS v1.2. To use the new transport, you must have the mbed TLS library available on your system (Xenial libmbedtls-dev). You can use version 2.x or newer -- 1.3.x and PolarSSL versions are not supported. You enable the TLS transport with -DNNG_TRANSPORT_TLS=ON in the CMake configuration. You must configure the server certificate by default, and this can only be done using nng options. See the nng_tls man page for details. This work is experimental, and was made possible by Capitar IT Group BV, and Staysail Systems, Inc.
* fixes #154 underlyng TCP & IPC transports should support partial recv/sendGarrett D'Amore2017-11-13
| | | | fixes #155 POSIX TCP & IPC could avoid a lot of context switches
* Closed socket returns NNG_ENOENT instead of NNG_ECLOSED.Garrett D'Amore2017-11-05
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* fixes #143 Protocols and transports should be "configurable"Garrett D'Amore2017-11-02
| | | | | | | | | | | | | | | | | | | | This makes all the protocols and transports optional. All of them except ZeroTier are enabled by default, but you can now disable them (remove from the build) with cmake options. The test suite is modified so that tests still run as much as they can, but skip over things caused by missing functionality from the library (due to configuration). Further, the constant definitions and prototypes for functions that are specific to transports or protocols are moved into appropriate headers, which should be included directly by applications wishing to use these. We have also added and improved documentation -- all of the transports are documented, and several more man pages for protocols have been added. (Req/Rep and Surveyor are still missing.)
* fixes #137 Remove public access to numeric protocolsGarrett D'Amore2017-10-31
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* fixes #46 make device() use aios directlyGarrett D'Amore2017-10-26
| | | | | | | | | | This eliminates the separate threads used for devices, letting them benefit from the new aio framework. It also eliminates the legacy nni_sock_sendmsg and nni_sock_recvmsg internal APIs. It would appear that there is an opportunity here to provide asynchronous device support out to userland as well, exposing an aio to them. That work is deferred to later.
* fixes #45 expose aio to applicationsGarrett D'Amore2017-10-25
| | | | | | | | | | While here we added a test for the aio stuff, and cleaned up some dead code for the old fd notifications. There were a few improvements to shorten & clean code elsewhere, such as short-circuiting task wait when the task has no callback. The legacy sendmsg() and recvmsg() APIs are still in the socket core until we convert the device code to use the aios.
* Various man page fixups, add inproc header.Garrett D'Amore2017-10-24
| | | | | | | We added nng_inproc man page, and a header with an explicit registration method for it. We also fixed up the markup on several other pages, and corrected the include statements for nng_zerotier.
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