Gupnp Функции
PHP Manual

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

<?php

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.

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