Trait gio::prelude::ProxyResolverExt
source · pub trait ProxyResolverExt: 'static {
// Required methods
fn is_supported(&self) -> bool;
fn lookup(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<Vec<GString>, Error>;
fn lookup_async<P: FnOnce(Result<Vec<GString>, Error>) + 'static>(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
);
fn lookup_future(
&self,
uri: &str
) -> Pin<Box_<dyn Future<Output = Result<Vec<GString>, Error>> + 'static>>;
}
Expand description
Required Methods§
sourcefn is_supported(&self) -> bool
fn is_supported(&self) -> bool
Checks if self
can be used on this system. (This is used
internally; ProxyResolver::default()
will only return a proxy
resolver that returns true
for this method.)
Returns
true
if self
is supported.
sourcefn lookup(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>
) -> Result<Vec<GString>, Error>
fn lookup( &self, uri: &str, cancellable: Option<&impl IsA<Cancellable>> ) -> Result<Vec<GString>, Error>
Looks into the system proxy configuration to determine what proxy,
if any, to use to connect to uri
. The returned proxy URIs are of
the form ``://[user[:password]@]host[:port]
or
direct://
, where <protocol>
could be http, rtsp, socks
or other proxying protocol.
If you don’t know what network protocol is being used on the
socket, you should use none
as the URI protocol.
In this case, the resolver might still return a generic proxy type
(such as SOCKS), but would not return protocol-specific proxy types
(such as http).
direct://
is used when no proxy is needed.
Direct connection should not be attempted unless it is part of the
returned array of proxies.
uri
a URI representing the destination to connect to
cancellable
a Cancellable
, or None
Returns
A
NULL-terminated array of proxy URIs. Must be freed
with g_strfreev()
.
sourcefn lookup_async<P: FnOnce(Result<Vec<GString>, Error>) + 'static>(
&self,
uri: &str,
cancellable: Option<&impl IsA<Cancellable>>,
callback: P
)
fn lookup_async<P: FnOnce(Result<Vec<GString>, Error>) + 'static>( &self, uri: &str, cancellable: Option<&impl IsA<Cancellable>>, callback: P )
Asynchronous lookup of proxy. See lookup()
for more
details.
uri
a URI representing the destination to connect to
cancellable
a Cancellable
, or None
callback
callback to call after resolution completes