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libwebsockets/minimal-examples/client-server/minimal-ws-proxy
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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
..
mount-origin lws logo: update minimal examples 2020-03-06 04:46:39 +00:00
CMakeLists.txt cmakelist: Augean Stables refactor 2020-05-27 08:40:12 +01:00
minimal-ws-proxy.c sul: all timed objects use a single pt sul list 2019-08-09 10:12:09 +01:00
protocol_lws_minimal.c cleaning 2020-01-05 22:17:58 +00:00
README.md minimal: refactor directories and add README.md 2018-04-06 10:38:02 +08:00

README.md

lws minimal ws proxy

Build

 $ cmake . && make

Description

This is the same as minimal-ws-server-ring, but with the inclusion of a ws client connection to https://libwebsockets.org using the dumb-increment protocol feeding the ringbuffer.

Each client that connect to this server receives the content that had arrived on the client connection feeding the ringbuffer proxied to their browser window over a ws connection.

Usage

 $ ./lws-minimal-ws-proxy 
[2018/03/14 17:50:10:6938] USER: LWS minimal ws proxy | visit http://localhost:7681
[2018/03/14 17:50:10:6955] NOTICE: Creating Vhost 'default' port 7681, 2 protocols, IPv6 off
[2018/03/14 17:50:10:6955] NOTICE:  Using non-SSL mode
[2018/03/14 17:50:10:7035] NOTICE: created client ssl context for default
[2018/03/14 17:50:11:7047] NOTICE: binding to lws-minimal-proxy
[2018/03/14 17:50:11:7047] NOTICE: lws_client_connect_2: 0x872e60: address libwebsockets.org
[2018/03/14 17:50:12:3282] NOTICE: lws_client_connect_2: 0x872e60: address libwebsockets.org
[2018/03/14 17:50:13:8195] USER: callback_minimal: established

Visit http://localhost:7681 on multiple browser windows

Data received on the remote wss connection is copied to all open browser windows.

A ringbuffer holds up to 8 lines of text in the server, and the browser shows the last 20 lines of received text.