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gupnp_control_point_callback_set

(PECL gupnp >= 0.1.0)

gupnp_control_point_callback_set — Set control point callback


Описание

bool gupnp_control_point_callback_set ( resource $cpoint , int $signal , mixed $callback [, mixed $arg ] )

Set control point callback function for signal.


Список параметров

cpoint -

A control point identifier, returned by gupnp_control_point_new().

signal -

The value of signal. Signal can be one of the following values:

GUPNP_SIGNAL_DEVICE_PROXY_AVAILABLE - Emitted whenever a new device has become available.

GUPNP_SIGNAL_DEVICE_PROXY_UNAVAILABLE - Emitted whenever a device is not available any more.

GUPNP_SIGNAL_SERVICE_PROXY_AVAILABLE - Emitted whenever a new service has become available.

GUPNP_SIGNAL_SERVICE_PROXY_UNAVAILABLE - Emitted whenever a service is not available any more.

callback -

The callback function for the certain signal. Typically, callback function takes on two parameters. The proxy parameter's identifier being the first, and the arg second.

arg -

User data for callback.


Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.


Примеры

Пример #1 Create new UPnP context and start browsing
function device_proxy_available_cb($proxy, $arg)
{
    $info = gupnp_device_info_get($proxy);
    $type = $info['device_type'];
    $location = $info['location'];
    printf("Device available:\n");
    printf("type:     %s\n", $type);
    printf("location: %s\n", $location);
}
/* Create the UPnP context */
$context = gupnp_context_new();
if (!$context) {
 die("Error creating the GUPnP context\n");
}
/* We're interested in everything */
$cp = gupnp_control_point_new($context, "ssdp:all");
gupnp_control_point_callback_set($cp, 
    GUPNP_SIGNAL_DEVICE_PROXY_AVAILABLE, 'device_proxy_available_cb');
/* Start for browsing */
gupnp_control_point_browse_start($cp);


Ошибки

Issues E_WARNING with not valid callback function.


Смотрите также


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