W Wrapl, The Programming Language

Libraries:Gtk:Gio:GSocketConnectable

Types

T

Objects that describe one or more potential socket endpoints implement T. Callers can then use Enumerate to get a Gtk.Gio.GSocketAddressEnumerator.T to try out each socket address in turn until one succeeds, as shown in the sample code below.

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
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 ("www.gnome.org", 80);
  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 the 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;
    }
}


ParentT

Constants

InterfaceInfo : Std.Object.T

Nil : T

Functions

GetType() : Gtk.GObject.Type.T



Methods

:Enumerate(self @ T) : Gtk.Gio.GSocketAddressEnumerator.T

Creates a Gtk.Gio.GSocketAddressEnumerator.T for connectable.

connectable a T
Returns a new Gtk.Gio.GSocketAddressEnumerator.T. [transfer full]


:Enumerate(_ @ ParentT)

:ProxyEnumerate(self @ T) : Gtk.Gio.GSocketAddressEnumerator.T

Creates a Gtk.Gio.GSocketAddressEnumerator.T for connectable that will return Gtk.Gio.GProxyAddress.Tes for addresses that you must connect to via a proxy.

If connectable does not implement ProxyEnumerate, this will fall back to calling Enumerate.

connectable a T
Returns a new Gtk.Gio.GSocketAddressEnumerator.T. [transfer full]


:ProxyEnumerate(_ @ ParentT)