INETGetURL

INETGetURL

Send a GET http request to a specific url. This is asynchronous. When server responds, the callback is fired, with following arguments.

connection
user parameter
data parameter : depends on the following parameter
state code :

0 some data has been received, and can be read in the received data parameter

1 end of request. received data is nil. This is the last call of the callback.

other an error occured during the request. received data is nil. This is the last call of the callback

INET INETGetURL (

Chn _channel_

S _url_

I _mode_

fun [INET u0 S I] u1 _callback_

u0 _user_

)

Parameters

_channel_

any channel

_url_

url

_mode_

should be 0

_callback_

callback function, called when data is retrieved from server.

_user_

user parameter

Return value

new request

Error :

EOK if no error.
ECHN if the _channel_ is nil.
ESTRING if the _url_ is nil.
EFLAG if the _mode_ is not null.
ETYPE if the initialization fails (see log, if any).
ETHREAD if the the new thread can not be created (see log, if any).
EVM if a memory error occurs. The VM will exit and more informations could be found in the log file (if activated in the debug mode level).

0	some data has been received, and can be read in the received data parameter
1	end of request. received data is nil. This is the last call of the callback.
other	an error occured during the request. received data is nil. This is the last call of the callback

_channel_
	any channel
_url_
	url
_mode_
	should be 0
_callback_
	callback function, called when data is retrieved from server.
_user_
	user parameter