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libwebsockets/minimal-examples/ws-client/minimal-ws-client-echo
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Andy Green edd7efd43d client: libuv: fix close handling during redirect 
During client redirect we "reset" the wsi to the redirect address,
involving closing the current fd that was told to redirect (it will
usually be a completely different server or port).

With libuv and its two-stage close that's not trivial.  This solves
the problem we will "reset" (overwrite) where the handle lives in the
wsi with new a new connection / handle by having it copied out into
an allocated watcher struct, which is freed in the uv close callback.

To confirm it the minimal ws client example gets some new options, the
original problem was replicated with this

$ lws-minimal-ws-client-echo -s invalid.url.com -p 80

https://github.com/warmcat/libwebsockets/issues/1390
2018-09-11 18:27:59 +08:00
..
CMakeLists.txt refactor: most preparation for -DLWS_ROLE_H1=0 2018-04-27 19:16:50 +08:00
minimal-ws-client-echo.c client: libuv: fix close handling during redirect 2018-09-11 18:27:59 +08:00
protocol_lws_minimal_client_echo.c libwebsockets.h: clean out some boilerplate better put in core/private.h 2018-08-16 19:10:32 +08:00
README.md autobahn fixes 2018-04-22 06:45:46 +08:00

README.md

lws minimal ws client + permessage-deflate echo

This example opens a ws client connection to localhost:7681 and echoes back anything that comes from the server.

You can use it for testing lws against Autobahn.

build

 $ cmake . && make

usage

Commandline option Meaning
-d Debug verbosity in decimal, eg, -d15
-p port Port to connect to
-u url URL path part to connect to
-o Finish after one connection 
 $ ./lws-minimal-ws-client-echo
[2018/04/22 20:03:50:2343] USER: LWS minimal ws client echo + permessage-deflate + multifragment bulk message
[2018/04/22 20:03:50:2344] USER:    lws-minimal-ws-client-echo [-n (no exts)] [-u url] [-o (once)]
[2018/04/22 20:03:50:2344] USER: options 0
[2018/04/22 20:03:50:2345] NOTICE: Creating Vhost 'default' (serving disabled), 1 protocols, IPv6 off
[2018/04/22 20:03:51:2356] USER: connecting to localhost:9001//runCase?case=362&agent=libwebsockets
[2018/04/22 20:03:51:2385] NOTICE: checking client ext permessage-deflate
[2018/04/22 20:03:51:2386] NOTICE: instantiating client ext permessage-deflate
[2018/04/22 20:03:51:2386] USER: LWS_CALLBACK_CLIENT_ESTABLISHED
...