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19 commits

Author SHA1 Message Date
Andy Green
fabe78d222 Wextra
Add -Wextra (with -Wno-unused-parameter) to unix builds in addition to
-Wall -Werror.

This can successfully build everything in Sai without warnings / errors.
2021-07-04 10:29:54 +01:00
Andy Green
9af105ebf8 sai: xenial 2021-02-28 19:05:25 +00:00
Andy Green
c9731c5f17 type comparisons: fixes
This is a huge patch that should be a global NOP.

For unix type platforms it enables -Wconversion to issue warnings (-> error)
for all automatic casts that seem less than ideal but are normally concealed
by the toolchain.

This is things like passing an int to a size_t argument.  Once enabled, I
went through all args on my default build (which build most things) and
tried to make the removed default cast explicit.

With that approach it neither change nor bloat the code, since it compiles
to whatever it was doing before, just with the casts made explicit... in a
few cases I changed some length args from int to size_t but largely left
the causes alone.

From now on, new code that is relying on less than ideal casting
will complain and nudge me to improve it by warnings.
2021-01-05 10:56:38 +00:00
Andy Green
1d8be99cff cmake: latest cmake shows dep warnings for scripts < 2.8.12 2020-12-06 19:44:54 +00:00
Andy Green
d98101d1e3 plugins: generalize and provide public api
Move the common plugin scanning dir stuff to be based on lws_dir, which
already builds for windows.  Previously this was done via dirent for unix
and libuv for windows.

Reduce the dl plat stuff to just wrap instantiation and destruction of
dynlibs, establish common code in lib/misc/dir.c for plugin scanning
itself.

Migrate the libuv windows dl stuff to windows-plugins.c, so that he's
available even if later libuv loop support becomes and event lib plugin.

Remove the existing api exports scheme for plugins, just export a const struct
now which has a fixed header type but then whatever you want afterwards depending
on the class / purpose of the plugin.  Place a "class" string in the header so
there can be different kinds of plugins implying different types exported.

Make the plugin apis public and add support for filter by class string, and
per instantation / destruction callbacks so the subclassed header type can
do its thing for the plugin class.  The user provides a linked-list base
for his class of plugins, so he can manage them completely separately and
in user code / user export types.

Rip out some last hangers-on from generic sessions / tables.

This is all aimed at making the plugins support general enough so it can
provide event lib plugins later.
2020-08-31 16:51:37 +01:00
Andy Green
1ebe27e38f cmake: mark all the subprojects as explicitly C
We don't need a C++ compiler but if we don't spell it out, cmake
assumes it C + C++ compiler needed.
2020-08-31 16:51:36 +01:00
Andy Green
b324f0e43b cmake: provide LIBWEBSOCKETS_DEP_LIBS in CONFIG 2020-06-16 19:45:35 +01:00
Andy Green
b3131fdfdd cmakelist: Augean Stables refactor
Establish a new distributed CMake architecture with CMake code related to
a source directory moving to be in the subdir in its own CMakeLists.txt.
In particular, there's now one in ./lib which calls through to ones
further down the directory tree like ./lib/plat/xxx, ./lib/roles/xxx etc.

This cuts the main CMakelists.txt from 98KB -> 33KB, about a 66% reduction,
and it's much easier to maintain sub-CMakeLists.txt that are in the same
directory as the sources they manage, and conceal all the details that that
level.

Child CMakelists.txt become responsible for:

 - include_directories() definition (this is not supported by CMake
   directly, it passes it back up via PARENT_SCOPE vars in helper
   macros)

 - Addition child CMakeLists.txt inclusion, for example toplevel ->
   role -> role subdir

 - Source file addition to the build

 - Dependent library path resolution... this is now a private thing
   in the child CMakeLists.txt, it just passes back any adaptations
   to include_directories() and the LIB_LIST without filling the
   parent namespace with the details
2020-05-27 08:40:12 +01:00
Andy Green
280c81278d ws: remove now unused ws_ping_pong_interval
https://github.com/warmcat/libwebsockets/issues/1915
2020-05-27 08:40:12 +01:00
Andy Green
9f1d019352 CTest: migrate and deprecate existing selftest scripts
Replace the bash selftest plumbing with CTest.

To use the selftests, build with -DLWS_WITH_MINIMAL_EXAMPLES=1
and `CTEST_OUTPUT_ON_FAILURE=1 make test` or just
`make test`.

To disable tests that require internet access, also give
-DLWS_CTEST_INTERNET_AVAILABLE=0

Remove travis and appveyor scripts on master.

Remove travis and appveyor decals on README.md.
2020-05-11 15:40:13 +01:00
Andy Green
0bfd39135e cleaning 2020-01-05 22:17:58 +00:00
Andy Green
c36a1e8ed0 clean: internally use LWS_WITH_CLIENT and _SERVER
Remove some more things in LWS_WITH_SERVER=0 case
2019-08-26 09:58:57 +01:00
Andy Green
498a4e2bd7 sul: all timed objects use a single pt sul list
wsi timeout, wsi hrtimer, sequencer timeout and vh-protocol timer
all now participate on a single sorted us list.

The whole idea of polling wakes is thrown out, poll waits ignore the
timeout field and always use infinite timeouts.

Introduce a public api that can schedule its own callback from the event
loop with us resolution (usually ms is all the platform can do).

Upgrade timeouts and sequencer timeouts to also be able to use us resolution.

Introduce a prepared fakewsi in the pt, so we don't have to allocate
one on the heap when we need it.

Directly handle vh-protocol timer if LWS_MAX_SMP == 1
2019-08-09 10:12:09 +01:00
Andy Green
f7149e90c2 cc0: align dedication to CC0 FAQ recommended format
https://libwebsockets.org/pipermail/libwebsockets/2019-April/007937.html

thanks to Bruce Perens for noting it.

This doesn't change the intention or status of the CC0 files, they were
pure CC0 before (ie, public domain) and they are pure CC0 now.  It just
gets rid of the (C) part at the top of the dedication which may be read
to be a bit contradictory since the purpose is to make it public domain.
2019-05-02 09:29:01 +01:00
Andy Green
462847bb6f lws_dll: remove lws_dll_lws and deprecate lws_dll_remove 2019-03-21 06:19:31 +08:00
Andy Green
d9f982a055 minimal examples: update for CSP best practices
1) update the logos to svg

2) add svg icon for strict security policy where used

3) define new vhost option flag to enforce sending CSP headers
   with the result code

4) add vhost option flag to minimal examples to
   enforce sending CSP where applicable

5) Go through all the affecting examples confirming they
   still work

6) add LWS_RECOMMENDED_MIN_HEADER_SPACE constant (currently
   2048) to clarify when we need a buffer to hold headers...
   with CSP the headers have become potentially a lot
   larger.
2018-11-21 17:03:29 +08:00
Andy Green
33a6034875 codacy: minor fixes 2018-10-13 08:16:27 +08:00
Andy Green
47e10ab200 dbus-ws-proxy
This builds on the new dbus role support to provide a minimal example proxy
between ws and dbus.

A client app is provided that asks the proxy to connect to libwebsockets.org
and proxy the drawing data from the mirror example there back to the dbus
client using dbus messages.
2018-10-13 08:16:27 +08:00
Andy Green
31dfc4aa12 role: dbus
This adds support for the integrating libdbus into the lws event loop.

Unlike the other roles, lws doesn't completely adopt the fd and libdbus insists
to retain control over the fd lifecycle.  However libdbus provides apis for
foreign code (lws) to provide event loop services to libdbus for the fd.

Accordingly, unlike the other roles rx and writeable are not subsumed into
lws callback messages and the events remain the property of libdbus.

A context struct wrapper is provided that is available in the libdbus
callbacks to bridge between the lws and dbus worlds, along with
a minimal example dbus client and server.
2018-10-13 08:16:27 +08:00