gupnp_device_action_callback_set
(PECL gupnp >= 0.1.0)
gupnp_device_action_callback_set — Set device callback function
설명
bool gupnp_device_action_callback_set
(
resource $root_device
,
int $signal
,
string $action_name
,
mixed $callback
[,
mixed $arg
] )
인수
-
root_device
-
A root device identifier, returned by gupnp_root_device_new().
-
signal
-
The value of signal. Signal can be one of the following values:
-
GUPNP_SIGNAL_ACTION_INVOKED
-
Emitted whenever an action is invoked. Handler should process action
and must call either gupnp_service_action_return()
or gupnp_service_action_return_error().
-
GUPNP_SIGNAL_NOTIFY_FAILED
-
Emitted whenever notification of a client fails.
-
action_name
-
The name of action.
-
callback
-
The callback function for the certain signal. Typically, callback function
takes on three parameters. The service parameter's
identifier being the first, action parameter's
identifier (in case GUPNP_SIGNAL_ACTION_INVOKED signal) or
error parameter's message (in case GUPNP_SIGNAL_NOTIFY_FAILED
signal) being the second, and the arg is third.
-
arg
-
User data for callback.
반환값
성공 시 TRUE를, 실패 시 FALSE를 반환합니다.
오류/예외
Issues E_WARNING either with not valid callback function or with not valid signal.