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libwebsockets/minimal-examples/http-client/minimal-http-client-custom-headers
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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
..
CMakeLists.txt minimal-http-client-custom-headers 2019-03-12 11:57:43 +08:00
minimal-http-client-custom-headers.c cc0: align dedication to CC0 FAQ recommended format 2019-05-02 09:29:01 +01:00
README.md minimal-http-client-custom-headers 2019-03-12 11:57:43 +08:00
warmcat.com.cer minimal-http-client-custom-headers 2019-03-12 11:57:43 +08:00

README.md

lws minimal http client custom headers

This http client application shows how to send and receive custom headers.

This currently only works on http 1, so the app forces that even if h2 enables.

build

 $ cmake . && make

usage

Commandline option Meaning
-d Debug verbosity in decimal, eg, -d15
-l Connect to https://localhost:7681 and accept selfsigned cert
-n no TLS

The app looks for a custom header "test-custom-header" sent by warmcat.com.

 $ ./lws-minimal-http-client-custom-headers
[2019/03/11 05:46:45:7582] USER: LWS minimal http client Custom Headers [-d<verbosity>] [-l] [--h1]
[2019/03/11 05:46:45:7671] NOTICE: created client ssl context for default
[2019/03/11 05:46:46:7812] USER: Connected with server response: 200
[2019/03/11 05:46:46:7812] NOTICE: callback_http: custom header: 'hello'
[2019/03/11 05:46:46:7814] USER: RECEIVE_CLIENT_HTTP_READ: read 1024
...

You can use the -n and -l to make this test app connect to localhost:7681 over http, and confirm the "dnt:1" header was sent either by tcpdump or by running the test server on :7681 with -d1151

[2019/03/11 05:48:53:6806] PARSER: WSI_TOKEN_NAME_PART 'd' 0x64 (role=0x20000000) wsi->lextable_pos=0
[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART 'n' 0x6E (role=0x20000000) wsi->lextable_pos=567
[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART 't' 0x74 (role=0x20000000) wsi->lextable_pos=-1
[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART ' ' 0x20 (role=0x20000000) wsi->lextable_pos=-1
[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART '1' 0x31 (role=0x20000000) wsi->lextable_pos=-1
' 0x0D (role=0x20000000) wsi->lextable_pos=-1NAME_PART '
[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART '