Interface Tango::Monitor

interface Monitor

A System wide interface for monitoring devices/signals. The Monitor interface allows clients to register their interest for a one or more events related to devices/signals. Events can be one of time, value, state related or specific to the device server e.g. hardware interrupt. Clients register their interest and receive only solicited events. There can be one or more Monitor objects in a TANGO system.

Attribute Index

time

current time in UT

Operation Index

consumer_add

register client's interest in an event

consumer_remove

unregister client's interest in an event

start

start monitor

stop

stop monitor

time_elapsed

time elapsed since epoch

Attributes

time

attribute TimeVal time;

current time in UT

Operations

consumer_add

unsigned long consumer_add(in Consumer cons)
    raises(DevFailed);

register client's interest in an event

Parameters:

cons -client's interest (event+device+callback)

Returns:

an ID to identify the consumer's registration at the producer's side.

consumer_remove

void consumer_remove(in unsigned long id)
    raises(DevFailed);

unregister client's interest in an event

Parameters:

id -consumer id (returned by consumer_add())

Returns:

an ID to identify the consumer's registration at the producer's side.

start

void start();

start monitor

Returns:

nothing

stop

void stop();

stop monitor

Returns:

nothing

time_elapsed

TimeVal time_elapsed();

time elapsed since epoch

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