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<title>GSocketAddressEnumerator: GIO Reference Manual</title>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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Top |
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Description |
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Object Hierarchy
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GSocketAddressEnumerator
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GSocketAddressEnumerator
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Functions
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GSocketAddress *
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g_socket_address_enumerator_next ()
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void
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g_socket_address_enumerator_next_async ()
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GSocketAddress *
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g_socket_address_enumerator_next_finish ()
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Types and Values
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GSocketAddressEnumerator
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struct
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GSocketAddressEnumeratorClass
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Object Hierarchy
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GObject
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╰── GSocketAddressEnumerator
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╰── GProxyAddressEnumerator
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Description
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Functions
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g_socket_address_enumerator_next ()
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GSocketAddress *
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g_socket_address_enumerator_next (GSocketAddressEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error);
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Retrieves the next GSocketAddress from enumerator
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. Note that this
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may block for some amount of time. (Eg, a GNetworkAddress may need
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to do a DNS lookup before it can return an address.) Use
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g_socket_address_enumerator_next_async() if you need to avoid
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blocking.
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If enumerator
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is expected to yield addresses, but for some reason
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is unable to (eg, because of a DNS error), then the first call to
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g_socket_address_enumerator_next() will return an appropriate error
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in *error
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. However, if the first call to
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g_socket_address_enumerator_next() succeeds, then any further
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internal errors (other than cancellable
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being triggered) will be
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ignored.
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Parameters
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enumerator
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a GSocketAddressEnumerator
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cancellable
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optional GCancellable object, NULL to ignore.
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[nullable]
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error
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a GError.
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Returns
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a GSocketAddress (owned by the caller), or NULL on
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error (in which case *error
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will be set) or if there are no
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more addresses.
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[transfer full]
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g_socket_address_enumerator_next_async ()
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void
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g_socket_address_enumerator_next_async
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(GSocketAddressEnumerator *enumerator,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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Asynchronously retrieves the next GSocketAddress from enumerator
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and then calls callback
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, which must call
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g_socket_address_enumerator_next_finish() to get the result.
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Parameters
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enumerator
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a GSocketAddressEnumerator
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cancellable
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optional GCancellable object, NULL to ignore.
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[nullable]
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callback
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a GAsyncReadyCallback to call when the request
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is satisfied.
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[scope async]
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user_data
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the data to pass to callback function.
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[closure]
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g_socket_address_enumerator_next_finish ()
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GSocketAddress *
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g_socket_address_enumerator_next_finish
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(GSocketAddressEnumerator *enumerator,
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GAsyncResult *result,
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GError **error);
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Retrieves the result of a completed call to
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g_socket_address_enumerator_next_async(). See
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g_socket_address_enumerator_next() for more information about
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error handling.
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Parameters
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enumerator
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a GSocketAddressEnumerator
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result
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a GAsyncResult
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error
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a GError
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Returns
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a GSocketAddress (owned by the caller), or NULL on
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error (in which case *error
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will be set) or if there are no
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more addresses.
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[transfer full]
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Types and Values
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GSocketAddressEnumerator
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typedef struct _GSocketAddressEnumerator GSocketAddressEnumerator;
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Enumerator type for objects that contain or generate
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GSocketAddress instances.
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struct GSocketAddressEnumeratorClass
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struct GSocketAddressEnumeratorClass {
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GObjectClass parent_class;
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/* Virtual Table */
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GSocketAddress * (* next) (GSocketAddressEnumerator *enumerator,
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GCancellable *cancellable,
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GError **error);
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void (* next_async) (GSocketAddressEnumerator *enumerator,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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GSocketAddress * (* next_finish) (GSocketAddressEnumerator *enumerator,
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GAsyncResult *result,
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GError **error);
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};
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Generated by GTK-Doc V1.27
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