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fixes #776 Configuration of mbedTLS should warn about license
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This is the client side only, although the work is structured to
support server applications. The chunked API is for now private,
although the intent to is to make it public for applications who
really want to use it.
Note that chunked transfer encoding puts data through extra copies.
First it copies through the buffering area (because I have to be able
to extract variable length strings from inside the data stream), and then
again to reassemble the chunks into a single unified object.
We do assume that the user wants the entire thing as a single object.
This means that using this to pull unbounded data will just silently
consume all memory. Use caution!
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This changes the code to make use of a different project we have
created (libzerotiercore) that is "CMake clean". This should make
using and configuring this code *much* better. It may also have the
benefit of making this configuration work better for Windows systems.
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Closes #731
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fixes #718 http_transact is still not right
fixes #719 calculation of buffer size is incorrect in http
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The fix for #715 to address const is still not quite right.
In ISO C, the argv array is just char **. getopt() in POSIX uses
char *const[]. That part is right, but we should then not pass
const char ** in calls. Furthermore, really the optarg should also
not be constified.
This aligns us closer to getopt() and leads to the fewest problems.
This does represent a slight breaking change, but as old code should
still compile and run, we don't think we should bump the API version
for this change. Furthermore, we don't think anyone else is actually
using this API yet.
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This introduces new public APIs for obtaining statistics,
and adds some generic stats for dialers, listeners, pipes, and
sockets. Also added are stats for inproc and pairv1 protocol.
The other protocols and transports will have stats added
incrementally as time goes on.
A simple test program, and man pages are provided for this.
Start by looking at nng_stat(5).
Statistics does have some impact, and they can be disabled by
using the advanced NNG_ENABLE_STATS (setting it to OFF, it's
ON by default) if you need to build a minimized configuration.
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We use macros to generate message bodies for each of the various
variants, reducing source code size (but not compiled size). The
documentation is updated to indicate each of these variants.
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This adds a couple of new methods, and related documentation
and test cases.
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This also arranges for server shutdown to be handled using
the reaper, leading to more elegant cleanup.
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fixes #179 DNS resolution should be done at connect time
fixes #586 Windows IO completion port work could be better
fixes #339 Windows iocp could use synchronous completions
fixes #280 TCP abstraction improvements
This is a rather monstrous set of changes, which refactors TCP, and
the underlying Windows I/O completion path logic, in order to obtain
a cleaner, simpler API, with support for asynchronous DNS lookups performed
on connect rather than initialization time, the ability to have multiple
connects or accepts pending, as well as fewer extraneous function calls.
The Windows code also benefits from greatly reduced context switching,
fewer lock operations performed, and a reduced number of system calls
on the hot code path. (We use automatic event resetting instead of manual.)
Some dead code was removed as well, and a few potential edge case leaks
on failure paths (in the websocket code) were plugged.
Note that all TCP based transports benefit from this work. The IPC code
on Windows still uses the legacy IOCP for now, as does the UDP code (used
for ZeroTier.) We will be converting those soon too.
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This special cases the URL parser for inproc and IPC urls,
changing so that they no longer parse the thing after the ://
as anything special. This allows IPC URLs to be relative.
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These were found with the help of "aspell".
Additionally, while reviewing the output from the spell checker,
several content errors were noticed and fixed.
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This enables the software to be built for Android, going back to
at least Android SDK r15 (IceCreamSandwich) and at least up to
SDK r27 (Oreo). Older versions of Android may work, but we have
no way to build them to test.
While here we have changed our CMake configuration to disable
building tools or tests when we detect a cross-compile situation.
Documentation for cross-compilation is updated as well.
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fixes #494 ERRORS section should use [horizontal]
These changes address some basic formatting consistency things,
and ultimately (when combined with other tooling changes that are
not part of this repo) lead to vastly improved layout in the
printed documentation.
While here we removed trailing whitespace, and did certain other
minor markup tweaks.
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fixes #485 Honor BUILD_SHARED_LIBS
fixes #483 Don't expose private symbols in shared library
fixes #481 Export CMake target
This is a "large" commit involving changes that don't affect the
code directly, but which have an impact on how we package and build
our project.
The most significant of these changes is that we now build only
either a shared or a static library, depending on the setting of
the BUILD_SHARED_LIBS option. We also suppress private symbols
from being exposed when the underlying toolchain lets us do so.
Minor updates to the way we version the ABI are used, and we now
have a nice exported CMake project.
To import this project in another, simply do find_package(nng)
and you can add target_link_libraries(nng::nng) to your targets.
CMake does the rest for you.
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fixes #468 TCP nodelay and keepalive should start usable
fixes #467 NN_RCVMAXSZ option does not work (compat)
fixes #465 Support NN_OPT_TCPNODELAY (compat)
This is a rather larger change set than I'd like, but when adding
support for legacy TCP keepalive, I found a number if issues using
the legacy TCP test (which we are introducing with this commit.)
This fixes the concerns that are relevant and addressible.
We have elected not to try to support to local address binding at this
time, and the IPv6 test case in the old code was wrong, so changes
relevant to that are commented out.
I've also updated the nng_compat manual page to reflect additional
caveats that folks should be aware of, including the previously
undocumented caveat around the NN_SNDBUF and NN_RCVBUF options.
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I actually made these real headers, not stubs
While here I made some improvements to the nng_compat man page,
to improve the language and also the presentation on some devices.
(We were going nuts with the icons, instead, I've made a single new
section, called Caveats, that lists a bunch of them.)
This should not have any impact on binary compatibility.
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While here, we have actually cleaned this up and enabled documentation
building to work, for folks that want it. We default to off, because
frankly folks should just use the website and be happy.
If docs are enabled, then both man pages and html are generated.
The man pages are noticably inferior (only so much you can do with
80 columns of text), but some people have indicated they prefer to
be able to type "man" something.
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We have the constructors for sockets with filenames without the
version, such as nng_req_open.3. This broken link was found when
building the epub book.
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This changes the signature of nng_pipe_notify(), and the associated
events. The documentation is updated to reflect this.
We have also broken the lock up so that we don't hold the master
socket lock for some of these things, which may have beneficial
impact on performance.
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