This implements a simple socket based server for RFC865, the "Quote of
the Day Protocol".
~~~'Socket var
{{
'Sock var
'Quote var
:if-failed swap [ 'ERROR:_ s:put s:put nl bye ] &drop choose ;
:bind n:to-string @Sock socket:bind drop 'binding_to_port if-failed ;
:listen #5 @Sock socket:listen drop 'preparing_socket if-failed ;
:accept @Sock socket:accept n:-zero? 'accept_failed if-failed ;
:send '_ [ store ] sip @Socket socket:send drop-pair ;
:remap &send &c:put set-hook ;
:unmap &c:put unhook ;
:process [ remap !Socket @Quote call reset unmap ] sip socket:close ;
---reveal---
:server:for-each-connection (nq-)
!Quote socket:create !Sock
bind listen repeat accept process again ;
}}
~~~
A test case, sending a message and the time to the user.
~~~#9999 [ here '/etc/motd file:slurp here s:put ] server:for-each-connection
~~~