1# lws minimal http client custom headers 2 3This http client application shows how to send and receive custom headers. 4 5This currently only works on http 1, so the app forces that even if h2 enables. 6 7## build 8 9``` 10 $ cmake . && make 11``` 12 13## usage 14 15Commandline option|Meaning 16---|--- 17-d <loglevel>|Debug verbosity in decimal, eg, -d15 18-l| Connect to https://localhost:7681 and accept selfsigned cert 19-n|no TLS 20 21The app looks for a custom header "test-custom-header" sent by warmcat.com. 22 23``` 24 $ ./lws-minimal-http-client-custom-headers 25[2019/03/11 05:46:45:7582] USER: LWS minimal http client Custom Headers [-d<verbosity>] [-l] [--h1] 26[2019/03/11 05:46:45:7671] NOTICE: created client ssl context for default 27[2019/03/11 05:46:46:7812] USER: Connected with server response: 200 28[2019/03/11 05:46:46:7812] NOTICE: callback_http: custom header: 'hello' 29[2019/03/11 05:46:46:7814] USER: RECEIVE_CLIENT_HTTP_READ: read 1024 30... 31``` 32You can use the -n and -l to make this test app connect to localhost:7681 over http, 33and confirm the "dnt:1" header was sent either by tcpdump or by running the test 34server on :7681 with -d1151 35 36``` 37[2019/03/11 05:48:53:6806] PARSER: WSI_TOKEN_NAME_PART 'd' 0x64 (role=0x20000000) wsi->lextable_pos=0 38[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART 'n' 0x6E (role=0x20000000) wsi->lextable_pos=567 39[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART 't' 0x74 (role=0x20000000) wsi->lextable_pos=-1 40[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART ' ' 0x20 (role=0x20000000) wsi->lextable_pos=-1 41[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART '1' 0x31 (role=0x20000000) wsi->lextable_pos=-1 42' 0x0D (role=0x20000000) wsi->lextable_pos=-1NAME_PART ' 43[2019/03/11 05:48:53:6807] PARSER: WSI_TOKEN_NAME_PART ' 44``` 45 46