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This introduces support for an external wolfSSL plugin, and generally
creates the framework for pluggable TLS implementations.
The wolfSSL engine is provided via an external module (git submodule),
available either under a GPLv3 license or a commercial license.
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- Default tree handler behavior is now non-exclusive
- Add 'longest uri first' ordering for http handlers
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- Fixes #751
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This only does it for rep, but it also has changes that should increase
the overall test coverage for the REP protocol
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We reap the connections when closing, to ensure that the clean up is
done outside the pollq thread. This also reduces pressure on the
pollq, we think. But more importantly it eliminates some complex
code that was meant to avoid deadlocks, but ultimately created other
use-after-free challenges. This work is an enabler for further
simplifications in the aio/task logic. While here we converted some
potentially racy locking of the dialers and reference counts to simpler
lock-free reference counting.
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fixes #1080 Desire better way to access statistics for NNG objects
We've also added a test that uses some of this, in order to verify
that the req protocol rejects invalid peers.
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This also introduces a new atomic boolean type, so we can use that
to trigger whether we've added the HTTP handler or not.
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fixes #1063 Include sanitizer runs in CI
fixes #1068 Wssfile test sometimes fails with wrong error code
While here, addressed a number of clang-tidy items, and some light
cleanup of code we were already in.
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This includes changes to support setting the sanitizer *correctly*
(the old code CMake stuff didn't quite get it right), and addresses
a number of failures in the test code found by the address sanitizer.
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Also, this has refactored the websocket stream test to the new
acutest.h, and includes a much deeper test of fragmentation and
reassembly of websocket streams.
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Seeing this failure in the cloud on Darwin.
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fixes #1035 Convey is awkward -- consider acutest.h
This represents a rather large effort towards cleaning up our
testing and optional configuration infrastructure.
A separate test library is built by default, which is static, and
includes some useful utilities design to make it easier to write
shorter and more robust (not timing dependent) tests. This also means
that we can cover pretty nearly all the tests (protocols etc.) in
every case, even if the shipped image will be minimized.
Subsystems which are optional can now use a few new macros to configure
what they need see nng_sources_if, nng_headers_if, and nng_defines_if.
This goes a long way to making the distributed CMakefiles a lot simpler.
Additionally, tests for different parts of the tree can now be located
outside of the tests/ tree, so that they can be placed next to the code
that they are testing.
Beyond the enabling work, the work has only begun, but these changes
have resolved the most often failing tests for Darwin in the cloud.
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It's possible for an empty chunk to have a NULL data pointer.
Even when copying zero bytes, this makes clang somewhat unhappy.
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This also introduces a more efficient reference counting usage based
on atomics, rather than locks.
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This permits the stats dump to avoid some extra buffering,
and resolves a complaint about possible format buffer overruns.
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Otherwise connections are not closed in reaper.
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fixes #698 Need TCP stats
fixes #699 Need IPC stats
fixes #701 Need TLS stats
This commit addresses a problem when negotiating using one of the stream
based negotiation APIs -- a slow or misbehaving peer can prevent well
behaved ones from establishing a connection. The fix is a fairly
significant change in how these transports link up, and it does rely
on the fact that the socket only has a single accept() or connect()
pending at a time (on a given endpoint that is).
While here, we have completely revamped the way transport statistics are
done, offering a standard API for collecting these statistics.
Unfortunately, this completely borks the statistics for inproc. As we
are planning to change the way inproc works soon, in order to provide
more control and work on performance fixes for the message queue, we feel
this is an acceptable trade-off. Furthermore, almost nobody uses inproc
for anything, and even fewer people are making use of the statistics
at this time.
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We also have made some support changes, including new APIs for printing
URLs, and some improvements to the NNG_OPT_URL to make use of this new
property.
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This is a major change, and includes changes to use a polymorphic
stream API for all transports. There have been related bugs fixed
along the way. Additionally the man pages have changed.
The old non-polymorphic APIs are removed now. This is a breaking
change, but the old APIs were never part of any released public API.
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This changes much of the internal API for TCP option handling, and
includes hooks for some of this in various consumers. Note that the
consumers still need to have additional work done to complete them,
which will be part of providing public "raw" TLS and WebSocket APIs.
We would also like to finish addressing the call sites of
nni_tcp_listener_start() that assume the sockaddr is modified --
it would be superior to use the NNG_OPT_LOCADDR option. Thaat will be
addressed in a follow up PR.
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This also makes some smaller related changes to use the new
nni_type instead of nni_opt_type.
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This introduces a basic IPC API, modeled on the TCP API, for direct access.
Only connection options are exposed at present -- we need to add options
for dialers and listeners (and particularly listener settings for
permissions and security attributes.) Documentation is still outstanding,
but a very limited test suite exists.
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This change makes embedding nng + nggpp (or other projects depending on
nng) in cmake easier. The header files are moved to a separate include
directory. This also makes installation of the headers easier, and
allows clearer identification of private vs public heade files.
Some additional cleanups were performed by @gedamore, but the main
credit for this change belongs with @gregorburger.
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fixes #776 Configuration of mbedTLS should warn about license
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This is a significant refactor of the library configuration.
We use the modern package configuration helper, with a template
script that also does the find_package dance for any of our
dependencies.
We also have restructured the code so that most protocols and
transports have their configuration isolated to their own CMakeLists
file, reducing the size of the global CMakeLists file.
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