gupnp_context_timeout_add
Sets a function to be called at regular intervals
Description
bool gupnp_context_timeout_add
( resource $context
, int $timeout
, mixed $callback
[, mixed $arg
] )
Parameters
-
context
-
A context identifier, returned by gupnp_context_new.
-
timeout
-
A timeout in miliseconds.
-
callback
-
The callback function calling every timeout
period of time.
Typically, callback function takes on arg
parameter.
-
arg
-
User data for callback
.
Return Values
Returns TRUE
on success or FALSE
on failure.
Examples
Example #1 Create new UPnP context and set callback
<?php
$user_data = "user data";
function timeout_cb($arg)
{
printf("Call timeout_cb, user data: '%s'", $arg);
return true;
}
/* Create the UPnP context */
$context = gupnp_context_new();
if (!$context) {
die("Error creating the GUPnP context\n");
}
/* Create root device */
$dev = gupnp_root_device_new($context, "/devicedesc.xml");
/* Set callback for timeout */
gupnp_context_timeout_add($context, 5000, "timeout_cb", $user_data);
/* Run the main loop */
gupnp_root_device_start($dev);
?>
Errors/Exceptions
Issues E_WARNING with not valid callback function.