pvAccessCPP 7.1.8
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epics::pvAccess::MonitorRequester Class Referenceabstract

Callback implemented by monitor clients. More...

#include <client/pv/pvAccess.h>

Inheritance diagram for epics::pvAccess::MonitorRequester:
Collaboration diagram for epics::pvAccess::MonitorRequester:

Public Types

typedef std::tr1::shared_ptr< MonitorRequestershared_pointer
 
typedef std::tr1::shared_ptr< const MonitorRequesterconst_shared_pointer
 
typedef std::tr1::weak_ptr< MonitorRequesterweak_pointer
 
typedef std::tr1::weak_ptr< const MonitorRequesterconst_weak_pointer
 
typedef Monitor operation_type
 

Public Member Functions

virtual void monitorConnect (epics::pvData::Status const &status, MonitorPtr const &monitor, epics::pvData::StructureConstPtr const &structure)=0
 Underlying Channel is connected and operation setup is complete.
 
virtual void monitorEvent (MonitorPtr const &monitor)=0
 Monitor queue is not empty.
 
virtual void unlisten (MonitorPtr const &monitor)=0
 No more subscription update will be sent.
 
virtual void channelDisconnect (bool destroy)
 Notification when underlying Channel becomes DISCONNECTED or DESTORYED.
 

Static Public Attributes

static size_t num_instances
 

Detailed Description

Callback implemented by monitor clients.

Requester for ChannelMonitor.

Author
mrk

Definition at line 249 of file pvAccess.h.

Member Typedef Documentation

◆ const_shared_pointer

std::tr1::shared_ptr<const MonitorRequester> epics::pvAccess::MonitorRequester::const_shared_pointer

Definition at line 251 of file pvAccess.h.

◆ const_weak_pointer

std::tr1::weak_ptr<const MonitorRequester> epics::pvAccess::MonitorRequester::const_weak_pointer

Definition at line 251 of file pvAccess.h.

◆ operation_type

◆ shared_pointer

std::tr1::shared_ptr<MonitorRequester> epics::pvAccess::MonitorRequester::shared_pointer

Definition at line 251 of file pvAccess.h.

◆ weak_pointer

std::tr1::weak_ptr<MonitorRequester> epics::pvAccess::MonitorRequester::weak_pointer

Definition at line 251 of file pvAccess.h.

Constructor & Destructor Documentation

◆ ~MonitorRequester()

virtual epics::pvAccess::MonitorRequester::~MonitorRequester ( )
inlinevirtual

Definition at line 254 of file pvAccess.h.

Member Function Documentation

◆ channelDisconnect()

virtual void epics::pvAccess::ChannelBaseRequester::channelDisconnect ( bool destroy)
inlinevirtualinherited

Notification when underlying Channel becomes DISCONNECTED or DESTORYED.

(re)connection is notified through a sub-class *Connect() method.

Any in-progress get()/put()/request()/start() is implicitly cancel()'d or stop()'d before this method is called.

Ownership of any PVStructures passed to completion callbacks (eg. ChannelGetRequester::getDone() ) is returned the operation

Parameters
destroytrue for final disconnect.

Definition at line 198 of file pvAccess.h.

◆ monitorConnect()

virtual void epics::pvAccess::MonitorRequester::monitorConnect ( epics::pvData::Status const & status,
MonitorPtr const & monitor,
epics::pvData::StructureConstPtr const & structure )
pure virtual

Underlying Channel is connected and operation setup is complete.

Call start() to begin subscription updates.

Parameters
statusCompletion status.
monitorThe monitor
structureThe structure defining the data.

◆ monitorEvent()

virtual void epics::pvAccess::MonitorRequester::monitorEvent ( MonitorPtr const & monitor)
pure virtual

Monitor queue is not empty.

The requester must call Monitor.poll to get data.

Parameters
monitorThe monitor.

◆ unlisten()

virtual void epics::pvAccess::MonitorRequester::unlisten ( MonitorPtr const & monitor)
pure virtual

No more subscription update will be sent.

Parameters
monitorThe monitor.

Member Data Documentation

◆ num_instances

size_t epics::pvAccess::ChannelBaseRequester::num_instances
staticinherited

Definition at line 181 of file pvAccess.h.


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