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libwebsockets/minimal-examples/api-tests/api-test-dhcpc/README.md
Andy Green d0fa39af7f lws_system: dhcpclient 
Generic lws_system IPv4 DHCP client

 - netif and route control via lib/plat apis
 - linux plat pieces implemented
 - Uses raw ip socket for UDP broadcast and rx
 - security-aware
 - usual stuff plus up to 4 x dns server

If it's enabled for build, it holds the system
state at DHCP until at least one registered interface
has acquired a set of IP / mask / router / DNS server

It uses PF_PACKET which is Linux-only atm.  But those
areas are isolated into plat code.

TODOs

 - lease timing and reacquire
 - plat pieces for other than Linux
2019-10-12 12:41:14 +01:00

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api test dhcpc

The application confirms it can set DHCP on the given interface

build

 $ cmake . && make

usage

Commandline option Meaning
-d Debug verbosity in decimal, eg, -d15
-i Network interface name to set by DHCP, eg, eth0 or wlo1 
 $ ./lws-api-test-dhcpc -i wlo1
[2019/10/06 14:56:41:7683] U: LWS API selftest: Async DNS
[2019/10/06 14:56:42:4461] U: main: requesting DHCP for wlo1
[2019/10/06 14:56:42:5207] N: callback_dhcpc: DHCP configured wlo1
[2019/10/06 14:56:42:5246] U: lws_dhcpc_cb: dhcp set OK
[2019/10/06 14:56:42:5999] U: Completed: ALL PASS: 1 / 1