1991/1991.fs

73 lines
1.6 KiB
Forth

\ 1991
include unix/socket.fs
\ User-defined routing
wordlist constant routes
: find-route ( addr u -- data )
routes search-wordlist if
>body @
else 0 then ;
: register-route ( data addr u -- )
2dup routes search-wordlist if
routes drop nip nip
>body !
else
routes get-current >r set-current \ switch definition word lists
nextname create ,
r> set-current
then ;
\ Internal request handling
: read-request ( socket -- addr u ) pad 4096 read-socket ;
: send-response ( addr u socket -- )
dup >r write-socket r> close-socket ;
: or-404 ( addr u -- 404addr 404u )
2drop
s\" HTTP/1.1 404 Not Found\n Content-Type: text/plain\n\n 404" ;
: requested-route ( addr u -- routeaddr routeu )
bl scan 1- swap 1+ swap 2dup bl scan swap drop - ;
: either-resolve ( addr u -- resolveaddr resolveu )
s" GET" search if
requested-route
find-route dup if
execute
else
0 or-404 exit
then
s\" HTTP/1.1 200 OK\n Content-Type: text/html\n\n" 2swap s+
rdrop exit then ;
: prepare-response ( addr u -- returnaddr returnu)
either-resolve or-404 ;
: start-server { server client }
begin
server 255 listen
server accept-socket to client
client read-request prepare-response client send-response
again ;
\ Userland
: 1991: ( port -- )
create-server 0 start-server ;
: /1991 ( "<path> <word>" -- )
bl word ' swap count register-route ;
\ App demo:
: handle-/ s" fff" ;
: handle-hi s" hi!" ;
/1991 / handle-/
/1991 /hi handle-hi
8080 1991: