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Merge git://github.com/jpc/racket into jpc

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This commit is contained in:
Jay McCarthy 2010-12-07 14:53:59 -07:00
commit 721c884965
1 changed files with 24 additions and 14 deletions
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38
collects/net/websocket/client.rkt
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@ -4,11 +4,18 @@
web-server/http/request
web-server/http/request-structs
net/websocket/conn
net/websocket/handshake)
net/websocket/handshake
openssl)
(provide (except-out (all-from-out net/websocket/conn) ws-conn))
(define (ws-secure-url? u)
(and (url? u)
(equal? (url-scheme u) "wss")))
(define (ws-url? u)
(and (url? u) (equal? (url-scheme u) "ws")))
(and (url? u)
(or (equal? (url-scheme u) "ws")
(ws-secure-url? u))))
(provide/contract
[ws-url? (-> any/c boolean?)]
@ -41,20 +48,23 @@
pre-path)
pre-path)))))
; Connect
(define-values (ip op) (tcp-connect host port))
(define connect (if (ws-secure-url? url) ssl-connect tcp-connect))
(define-values (ip op) (ssl-connect host port))
; Handshake (client)
(fprintf op "GET ~a HTTP/1.1\r\n" the-path)
(define-values (key1 key2 key3 client-ans) (generate-key))
(print-headers
op
(list* (make-header #"Host" (string->bytes/utf-8 host))
(make-header #"Connection" #"Upgrade")
(make-header #"Upgrade" #"WebSocket")
(make-header #"Sec-WebSocket-Key1" (string->bytes/utf-8 key1))
(make-header #"Sec-WebSocket-Key2" (string->bytes/utf-8 key2))
headers))
(write-bytes key3 op)
(write-bytes (call-with-output-bytes
(λ (op)
(fprintf op "GET ~a HTTP/1.1\r\n" the-path)
(print-headers
op
(list* (make-header #"Host" (string->bytes/utf-8 host))
(make-header #"Connection" #"Upgrade")
(make-header #"Upgrade" #"WebSocket")
(make-header #"Sec-WebSocket-Key1" (string->bytes/utf-8 key1))
(make-header #"Sec-WebSocket-Key2" (string->bytes/utf-8 key2))
headers))
(write-bytes key3 op)))
op)
(flush-output op)
; Handshake (server)
(define sresponse (read-bytes-line ip 'any))