gupnp_control_point_callback_set

(PECL gupnp >= 0.1.0)

Set control point callback

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

Set control point callback function for signal.

Parameters:

cpoint

A control point identifier, returned by gupnp_control_point_new().

signal

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

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.

Returns:

Returns TRUE on success or FALSE on failure.

Exception:

Issues E_WARNING with not valid callback function.

Examples:

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);

?>