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README.md

lws minimal http client-h2-rxflow

The application reads from a server with tightly controlled and rate-limited receive flow control using h2 tx credit.

build

 $ cmake . && make

usage

Commandline option	Meaning
-d	Debug verbosity in decimal, eg, -d15
-l	Connect to https://localhost:7681 and accept selfsigned cert
--server	set server name to connect to
--path	URL path to access on server
-k	Apply tls option LCCSCF_ALLOW_INSECURE
-j	Apply tls option LCCSCF_ALLOW_SELFSIGNED
-m	Apply tls option LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK
-e	Apply tls option LCCSCF_ALLOW_EXPIRED
-v	Connection validity use 3s / 10s instead of default 5m / 5m10s
--nossl	disable ssl connection
-f	Indicate we will manually manage tx credit and set a new connection-specific initial tx credit

RX is constrained to 1024 bytes every 250ms

 $ ./lws-minimal-http-client-h2-rxflow  --server phys.org --path "/" -f 1024
[2019/12/26 13:32:59:6801] U: LWS minimal http client [-d<verbosity>] [-l] [--h1]
[2019/12/26 13:33:00:5087] N: system_notify_cb: manual peer tx credit 1024
[2019/12/26 13:33:01:7390] U: Connected to 72.251.236.55, http response: 200
[2019/12/26 13:33:01:7441] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:01:0855] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:02:3367] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:02:5858] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:02:8384] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:02:0886] U: RECEIVE_CLIENT_HTTP_READ: read 1024
...
[2019/12/26 13:33:46:1152] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:47:3650] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:47:6150] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:47:8666] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:47:1154] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:48:3656] U: RECEIVE_CLIENT_HTTP_READ: read 1024
[2019/12/26 13:33:48:6157] U: RECEIVE_CLIENT_HTTP_READ: read 380
[2019/12/26 13:33:48:6219] U: LWS_CALLBACK_COMPLETED_CLIENT_HTTP
[2019/12/26 13:33:48:7050] U: Completed: OK