Public Types
enum	State { READY, NO_VALUE, INACTIVE, DATA_AVAILABLE }
enum	{ SUCCESS, ERR_UNSPEC, ERR_NOMEM, ERR_BUSY, ERR_NOTIMPL, ERR_NETDOWN, ERR_HOSTUNREACH }
enum	StateValues { READY, NO_VALUE, INACTIVE }
Public Member Functions
template<typename T , void(T::*)(int) TMethod>
int	register_state_callback (T *obj)
	Register state changed callback function - method signature must be void RCV_METHOD_NAME(int state).
int	unregister_state_callback (int)
	Unregister state-changed callback.

Member Enumeration Documentation

anonymous enum [inherited]

Enumerator:

SUCCESS	Default return value of success.
ERR_UNSPEC	Unspecified error value - if no other fits.
ERR_NOMEM	Out of memory.
ERR_BUSY	Device or resource busy - try again later.
ERR_NOTIMPL	Function not implemented.
ERR_NETDOWN	Network is down.
ERR_HOSTUNREACH	No route to host.

Enumerator:

READY	Ready for returning a value.
NO_VALUE	There is no value available.
INACTIVE	Not yet enabled - implementation is inactive and cannot return meaningful values.
DATA_AVAILABLE	There is new data availbale.

Enumerator:

READY	Ready for asking for data.
NO_VALUE	Currently no data available.
INACTIVE	Currently inactive - so no values available.

Member Function Documentation

template<typename T , void(T::*)(int) TMethod>

int concepts::StateCallback_concept::register_state_callback ( T * obj )

Register state changed callback function - method signature must be void RCV_METHOD_NAME(int state).

Returns callback-identifier or -1 in order to signal an error.

int concepts::StateCallback_concept::unregister_state_callback ( int )

Unregister state-changed callback.

The documentation for this class was generated from the following file: