Hi, Will
I should write it in the following mode. Some notes:
1) you can set the awake function using make port!
port: make port! [scheme: 'async host: hst port-id: 80 awake: :handl]
you cannot use the words 'host or 'handler because the block is bound to the
port before execution (like in an object!: a port is an object!)
2) you can insert a string BEFORE connection is done: you must not wait the
'connect event
open port
insert port rejoin [{GET / HTTP/1.0} crlf {Host: } port/host crlf crlf]
3) you should not clear the system/ports/wait-list, it can contain some others
ports (like event port in View). Here i read the length? before the start and
wait until it is returned the same, but it is not the best solution:
---------
rebol []
do http://www.rebol.it/giesse/async-protocol.r
get-fast: func [hosts /local port len][
len: length? system/ports/wait-list
foreach hst hosts [
port: make port! [scheme: 'async host: hst port-id: 80 awake: :handl]
open port
insert port rejoin [{GET / HTTP/1.0} crlf {Host: } port/host crlf crlf]
]
until [wait .1 len = length? system/ports/wait-list]
]
handl: func [port [port!] state [word! error!]] [
if error? :state [print mold disarm state return true]
switch state [
connect [false]
read [false]
write [false]
close [
data: copy port
close port
print [port/host length? data]
true
]
]
]
;example
urls: [
"www.rebol.com"
"www.rebol.net"
"www.rebol.org"
"www.apple.com"
"www.oracle.com"
"www.microsoft.com"
]
loop 5 [get-fast urls]
halt
---
Ciao
Romano
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