pub struct SocketConnectable { /* private fields */ }
Expand description
Objects that describe one or more potential socket endpoints
implement GSocketConnectable
. Callers can then use
SocketConnectableExt::enumerate()
to get a
SocketAddressEnumerator
to try out each socket address in turn
until one succeeds, as shown in the sample code below.
⚠️ The following code is in c ⚠️
MyConnectionType *
connect_to_host (const char *hostname,
guint16 port,
GCancellable *cancellable,
GError **error)
{
MyConnection *conn = NULL;
GSocketConnectable *addr;
GSocketAddressEnumerator *enumerator;
GSocketAddress *sockaddr;
GError *conn_error = NULL;
addr = g_network_address_new (hostname, port);
enumerator = g_socket_connectable_enumerate (addr);
g_object_unref (addr);
// Try each sockaddr until we succeed. Record the first connection error,
// but not any further ones (since they'll probably be basically the same
// as the first).
while (!conn && (sockaddr = g_socket_address_enumerator_next (enumerator, cancellable, error))
{
conn = connect_to_sockaddr (sockaddr, conn_error ? NULL : &conn_error);
g_object_unref (sockaddr);
}
g_object_unref (enumerator);
if (conn)
{
if (conn_error)
{
// We couldn't connect to the first address, but we succeeded
// in connecting to a later address.
g_error_free (conn_error);
}
return conn;
}
else if (error)
{
/// Either initial lookup failed, or else the caller cancelled us.
if (conn_error)
g_error_free (conn_error);
return NULL;
}
else
{
g_error_propagate (error, conn_error);
return NULL;
}
}
§Implements
GLib type: GObject with reference counted clone semantics.
Implementations§
source§impl SocketConnectable
impl SocketConnectable
pub const NONE: Option<&'static SocketConnectable> = None
Trait Implementations§
source§impl Clone for SocketConnectable
impl Clone for SocketConnectable
source§impl Debug for SocketConnectable
impl Debug for SocketConnectable
source§impl HasParamSpec for SocketConnectable
impl HasParamSpec for SocketConnectable
type ParamSpec = ParamSpecObject
source§type SetValue = SocketConnectable
type SetValue = SocketConnectable
Preferred value to be used as setter for the associated ParamSpec.
type BuilderFn = fn(_: &str) -> ParamSpecObjectBuilder<'_, SocketConnectable>
fn param_spec_builder() -> Self::BuilderFn
source§impl Hash for SocketConnectable
impl Hash for SocketConnectable
source§impl Ord for SocketConnectable
impl Ord for SocketConnectable
source§fn cmp(&self, other: &Self) -> Ordering
fn cmp(&self, other: &Self) -> Ordering
Comparison for two GObjects.
Compares the memory addresses of the provided objects.
1.21.0 · source§fn max(self, other: Self) -> Selfwhere
Self: Sized,
fn max(self, other: Self) -> Selfwhere
Self: Sized,
Compares and returns the maximum of two values. Read more
source§impl<OT: ObjectType> PartialEq<OT> for SocketConnectable
impl<OT: ObjectType> PartialEq<OT> for SocketConnectable
source§impl<OT: ObjectType> PartialOrd<OT> for SocketConnectable
impl<OT: ObjectType> PartialOrd<OT> for SocketConnectable
source§impl StaticType for SocketConnectable
impl StaticType for SocketConnectable
source§fn static_type() -> Type
fn static_type() -> Type
Returns the type identifier of
Self
.impl Eq for SocketConnectable
impl IsA<SocketConnectable> for InetSocketAddress
impl IsA<SocketConnectable> for NetworkAddress
impl IsA<SocketConnectable> for NetworkService
impl IsA<SocketConnectable> for ProxyAddress
impl IsA<SocketConnectable> for SocketAddress
impl IsA<SocketConnectable> for UnixSocketAddress
Available on Unix only.
Auto Trait Implementations§
impl Freeze for SocketConnectable
impl RefUnwindSafe for SocketConnectable
impl !Send for SocketConnectable
impl !Sync for SocketConnectable
impl Unpin for SocketConnectable
impl UnwindSafe for SocketConnectable
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&'a self,
source_property: &'a str,
target: &'a O,
target_property: &'a str,
) -> BindingBuilder<'a, 'f, 't>where
O: ObjectType,
fn bind_property<'a, 'f, 't, O>(
&'a self,
source_property: &'a str,
target: &'a O,
target_property: &'a str,
) -> BindingBuilder<'a, 'f, 't>where
O: ObjectType,
source§unsafe fn run_dispose(&self)
unsafe fn run_dispose(&self)
Runs the dispose mechanism of the object. Read more
source§impl<T> PropertyGet for Twhere
T: HasParamSpec,
impl<T> PropertyGet for Twhere
T: HasParamSpec,
source§impl<O> SocketConnectableExt for Owhere
O: IsA<SocketConnectable>,
impl<O> SocketConnectableExt for Owhere
O: IsA<SocketConnectable>,
source§fn enumerate(&self) -> SocketAddressEnumerator
fn enumerate(&self) -> SocketAddressEnumerator
Creates a #GSocketAddressEnumerator for @self. Read more
source§fn proxy_enumerate(&self) -> SocketAddressEnumerator
fn proxy_enumerate(&self) -> SocketAddressEnumerator
Creates a #GSocketAddressEnumerator for @self that will
return a #GProxyAddress for each of its addresses that you must connect
to via a proxy. Read more
source§impl<T> StaticTypeExt for Twhere
T: StaticType,
impl<T> StaticTypeExt for Twhere
T: StaticType,
source§fn ensure_type()
fn ensure_type()
Ensures that the type has been registered with the type system.