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Author SHA1 Message Date
Andy Green
dcaa0013b4 lecp: add CBOR stream parser LECP like JSON LEJP
This provides very memory-efficient CBOR stream parsing
and writing.

The parser  converts pieces of CBOR into callbacks that define
the structure and collate string and blobs into buffer chunks
for extensible and easy access.

It is fragementation-safe and does not need all the CBOR in
the same place at one time, chunks of CBOR are parsed and
discarded as provided.

It does not allocate and just needs a few hundred bytes of
stack for even huge CBOR objects.  Huge strings and blobs
are handled without needing memory to hold them atomically.

Includes ./minimal-examples/api-tests/api-test-lecp that
unit tests it against 82 official example CBORs and
26 additional test vectors from COSE (just checking the CBOR
parsing).

The writing apis allow printf style semantics with a variety
of CBOR-aware %-formats.  The apis write into a context that
manages output buffer usage, if the output buffer fills,
then the apis return with an AGAIN code that lets you issue
and reset the output buffer and repeat the api all to issue
more output.  The subsequent calls can occur much later or
from a different function context, so this is perfect for
WRITEABLE-mediated output from the network parts of lws.

See ./READMEs/README.cbor-lecp.md
2021-08-21 17:44:40 +01:00
Andy Green
b25079c4b4 lws_cache_ttl 2021-06-22 15:55:29 +01:00
Andy Green
51490ae6e6 Fault injection
add lws_xos: xoshiro256 PRNG
2021-04-05 10:55:04 +01:00
Andy Green
962e9ee345 wip: ss c++ classes
C++ APIs wrapping SS client


These are intended to provide an experimental protocol-independent c++
api even more abstracted than secure streams, along the lines of
"wget -Omyfile https://example.com/thing"

WIP
2020-12-02 10:15:50 +00:00
Andy Green
4939b87e66 lws_netdev: use lws_settings
Perform the AP selection using lws_settings and a generic scan state machine
2020-07-07 15:23:19 +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