Virtual Method
GioSocketAddressEnumeratornext
Declaration
GSocketAddress*
next (
GSocketAddressEnumerator* enumerator,
GCancellable* cancellable,
GError** error
)
Description
Retrieves the next GSocketAddress from enumerator. Note that this
may block for some amount of time. (Eg, a GNetworkAddress may need
to do a DNS lookup before it can return an address.) Use
g_socket_address_enumerator_next_async() if you need to avoid blocking.
If enumerator is expected to yield addresses, but for some reason
is unable to (eg, because of a DNS error), then the first call to
g_socket_address_enumerator_next() will return an appropriate error
in *error. However, if the first call to
g_socket_address_enumerator_next() succeeds, then any further
internal errors (other than cancellable being triggered) will be ignored.
Parameters
cancellable-
Type:
GCancellableOptional
GCancellableobject,NULLto ignore.The argument can be NULL.The data is owned by the caller of the method. error-
Type:
GError **The return location for a recoverable error.
The argument can be NULL.If the return location is not NULL, then you must initialize it to aNULLGError*.The argument will be left initialized to NULLby the virtual function if there are no errors.In case of error, the argument will be set to a newly allocated GError; the caller will take ownership of the data, and be responsible for freeing it.
Return value
Type: GSocketAddress
A GSocketAddress (owned by the caller), or NULL on
error (in which case *error will be set) or if there are no
more addresses.
| The caller of the method takes ownership of the returned data, and is responsible for freeing it. |
The return value can be NULL. |