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* 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.
* fixes #132 Implement saner notification for file descriptorsGarrett D'Amore2017-10-24
| | | | | | | | | This eliminates the "quasi-functional" notify API altogether. The aio framework will be coming soon to replace it. As a bonus, apps (legacy apps) that use the notification FDs will see improved performance, since we don't have to context switch to give them a notification.
* fixes #112 Need to move some stuff from socket to message queuesGarrett D'Amore2017-10-23
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* fixes #84 Consider using msec for durationsGarrett D'Amore2017-10-19
| | | | | | There is now a public nng_duration type. We have also updated the zerotier work to work with the signed int64_t's that the latst ZeroTier dev branch is using.
* New platform API for storage methods.Garrett D'Amore2017-10-09
| | | | | | | | | | | This includes converting the ZeroTier transport to use these. The new API supports file creation, retrieval, and deletion. It also supports directory methods for traversal, creation, and deletion. It also has a few methods to obtain well-known directories like $TMPDIR and $HOME. A rich test suite for this functionality is added as well.
* Add NNG_OPT_DOMAIN and NNG_OPT_SOCKNAME support for legacy compat.Garrett D'Amore2017-10-06
| | | | | | | | The NNG_OPT_SOCKNAME option is settable, to a limit of 64 bytes. The NNG_OPT_DOMAIN is read-only, but changes to match the setting of the NNG_OPT_RAW field. New applications should not use the NNG_OPT_DOMAIN option -- it is provided solely for use with the legacy NN_DOMAIN option in the compatibility layer.
* Improve UDP test coverage, fix numerous issues found.Garrett D'Amore2017-10-05
| | | | | | | | | | | | | | | | We introduced richer, deeper tests for UDP functionality. These tests uncovered a number of issues which this commit fixes. The Windows IOCP code needs to support multiple aios on a single nni_win_event. A redesign of the IOCP handling addresses that. The POSIX UDP code also needed fixes; foremost among them is the fact that the UDP file descriptor is not placed into non-blocking mode, leading to potential hangs. A number of race conditions and bugs along the implementation of the above items were uncovered and fixed. To the best of our knowledge the current code is bug-free.
* fixes #99 Still seeing segfaults in pair1 (rarely)Garrett D'Amore2017-10-03
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* fixes #5 Address propertiesGarrett D'Amore2017-10-03
| | | | | | | | | Added TCP socket address properties on pipes. This adds the plumbing for the various platform specifics, and includes both v4 and v6 handling. We've included a TCPv6 test as well.
* Added more complete tests, and changes to property handling.Garrett D'Amore2017-10-02
| | | | | | | | | | | | | | | | We allow some properties to be set on endpoints after they are started; transports now responsible for checking that. (The new values will only apply to new connections of course!) We added short-hand functions for pipe properties, and also added uint64_t shorthands across the board. The zerotier documentation got some updates (corrections). We have also added a separate header now for the ZT stuff. Also, dialers and listeners do not intermix anymore -- we test that only a dialer can be used with setting dialer options, and likewise for listeners.
* Windows UDP support.Garrett D'Amore2017-09-29
| | | | | | | This implements the basic UDP functionality for Windows (required for ZeroTier for example). We have also introduced a UDP test suite to validate that this actually works. While here a few Windows compilation warnings / nits were fixed.
* fixes #91 pair1 segfault seenGarrett D'Amore2017-09-28
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* Remove last vestiges of integer option numbers.Garrett D'Amore2017-09-27
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* Refactor option handling APIs.Garrett D'Amore2017-09-27
| | | | | | | | | | | | This makes the APIs use string keys, and largely eliminates the use of integer option IDs altogether. The underlying registration for options is also now a bit richer, letting protcols and transports declare the actual options they use, rather than calling down into each entry point carte blanche and relying on ENOTSUP. This code may not be as fast as the integers was, but it is more intuitive, easier to extend, and is not on any hot code paths. (If you're diddling options on a hot code path you're doing something wrong.)
* ZeroTier transport implementation (work funded by Capitar IT Group BV)Garrett D'Amore2017-09-26
| | | | | | | | | | | | | The ZeroTier transport is experimental at this point, and not enabled by default. It does not work with Windows yet (the Windows platform needs UDP support first.) Configure with -DNNG_ENABLE_ZEROTIER=yes -DNNG_ZEROTIER_SOUCE=<path> The <path> must point to a dev branch of the ZeroTierOne source tree, checked out, and built with a libzerotiercore.a in the top directory, and a ZeroTierOne.h header located at include. The build will add -lc++ to the compile, as the ZeroTier core functionality is written in C++ and needs some runtime support (e.g. new, delete, etc.)
* More pipe option handling, pipe API support. Url option.Garrett D'Amore2017-09-22
| | | | | | | | | | This fleshes most of the pipe API out, making it available to end user code. It also adds a URL option that is independent of the address options (which would be sockaddrs.) Also, we are now setting the pipe for req/rep. The other protocols need to have the same logic added to set the receive pipe on the message. (Pair is already done.)
* Add improved getopt functions, pass integers by value.Garrett D'Amore2017-09-22
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