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PHP gupnp_device_action_callback_set

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gupnp_device_action_callback_set

(PECL gupnp >= 0.1.0)

gupnp_device_action_callback_set — Set device callback function

Description

bool gupnp_device_action_callback_set ( resource $root_device , int $signal , string $action_name , mixed $callback [, mixed $arg ] )

Set device callback function for signal and action.

Parameters

root_device

A root device identifier, returned by gupnp_root_device_new().

signal

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

GUPNP_SIGNAL_ACTION_INVOKED
Emitted whenever an action is invoked. Handler should process action and must call either gupnp_service_action_return() or gupnp_service_action_return_error().
GUPNP_SIGNAL_NOTIFY_FAILED
Emitted whenever notification of a client fails.

action_name

The name of action.

callback

The callback function for the certain signal. Typically, callback function takes on three parameters. The service parameter's identifier being the first, action parameter's identifier (in case GUPNP_SIGNAL_ACTION_INVOKED signal) or error parameter's message (in case GUPNP_SIGNAL_NOTIFY_FAILED signal) being the second, and the arg is third.

arg

User data for callback.

Return Values

Returns TRUE on success or FALSE on failure.

Errors/Exceptions

Issues E_WARNING either with not valid callback function or with not valid signal.

See Also