(PECL gupnp >= 0.1.0)
gupnp_control_point_callback_set — Set control point callback
Set control point callback function for signal.
A control point identifier, returned by gupnp_control_point_new().
The value of signal. Signal can be one of the following values:
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.
User data for callback.
成功した場合に TRUE を、失敗した場合に FALSE を返します。
例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);
?>
Issues E_WARNING with not valid callback function.