a #SoupURI to connect to
a #GCancellable
a #SoupSessionConnectProgressCallback which will be called for every network event that occurs during the connection.
the callback to invoke when the operation finishes
data for @progress_callback and @callback
2.62
Start a connection to @uri. The operation can be monitored by providing a @progress_callback and finishes when the connection is done or an error ocurred.
Call soup_session_connect_finish() to get the #GIOStream to communicate with the server.