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b3131fdfdd
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 |
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|---|---|---|
| .. | ||
| mount-origin | ||
| CMakeLists.txt | ||
| localhost-100y.cert | ||
| localhost-100y.key | ||
| minimal-http-server-smp.c | ||
| README.md | ||
lws minimal http server with multithreaded service
Lws supports multithreaded service... build lws with -DLWS_MAP_SMP=<max number of threads>, the
default is 1. If nonzero, some extra pthreads locking is built into lws and it supports multiple
independent service threads.
When an incoming connection is accepted, it is bound to the pt with the lowest current wsi count, to keep the load on the threads balanced. Only the pt the wsi is bound to can service the thread, so although there can be as many wsi being serviced simultaneously as there are service threads, a wsi can only be service by the pt it is bound to.
The effectiveness of the scalability depends on the load. Here is an example of roughly what can be expected
build
$ cmake . && make
usage
$ ./lws-minimal-http-server-smp
[2018/03/07 17:44:20:2409] USER: LWS minimal http server SMP | visit http://localhost:7681
[2018/03/07 17:44:20:2410] NOTICE: Creating Vhost 'default' port 7681, 1 protocols, IPv6 on
[2018/03/07 17:44:20:2411] NOTICE: Service threads: 10
Visit http://localhost:7681 and use ab or other testing tools