Michael Davidsaver
afafa09547
ioc: check for mis-matched onStartSubscription()/onDisableSubscription() ioc: fix subscription lifetime ioc: catch exceptions in dbEvent callbacks ioc: avoid unnecessary virtual ioc: minor ioc: fix qsrv -S ioc: qsrvGroupSourceInit() catch+log ioc: runOnServer avoid std::function ioc: cleanup and simplifications. Avoid some redundant std::map lookups. Make Group partially const to prevent implicit ctor. ioc: avoid typedefs only used once ioc: overhaul Group::show(). shows triggers ioc: MappingType ioc: pvxsgl -> pvxgl ioc: separate group config singleton from server singleton ioc: remove unnecessary forward declarations ioc: restructure pvxsInitHook ioc: qsrv runtime disable by default ioc: compat w/ older Base ioc: link pvxsIoc w/ DB libs ioc: Channel proper detection of invalid PV ioc: no need to keep vector<dbCommon*> around ioc: fix initial group update for mappings w/o dbChannel ioc: redo testing split out group tests, only run with Base >= 7.0 ioc: minor ioc: loc_bad_alloc ioc: avoid symbol/DTYP clash with pva2pva ioc: test record alias in group json ioc: test put failure when SPC_NOMOD and DISP=1 ioc: test channel filters ioc: unnecessary capture ioc: avoid sharing Value between multiple subscriptions It is possible to create two subscriptions through the same channel. ioc: group subscription include queueSize ioc: eliminate unused atomicMonitor ioc: consolidate GroupSource::get() avoid some indirection ioc: pvRequest override of atomicPutGet ioc: fix group non-atomic put ioc: test asTrap hooks ioc: test putOrder also sets field order ioc: simplify GroupConfigProcessor::loadConfigFiles() Also ensure that groupMapMutex is held ioc: testqgroup cover JSON def. ioc: dbLoadGroup() use macros ioc: pvxsl() take integer argument ioc: display.form and info(Q:form ioc: "NO_ALARM" -> "" ioc: use dbServer at least for informational callbacks. ioc: consolidate createRequestAndSubscriptionHandlers() ioc: eliminate ChannelAndLock properties dbChannel doesn't need a separate DBManyLock ioc: test that putOrder also controls field order ioc: MappingType -> MappingInfo Handle info(Q:time:tag Add +type:"const" ioc: cleanup includes ioc: test dbNotifyCancel() ioc: inline checkForTrailingCommentsAtEnd()
64 lines
1.9 KiB
C++
64 lines
1.9 KiB
C++
/*
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvxs is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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*
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* Author George S. McIntyre <george@level-n.com>, 2023
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*
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*/
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#ifndef PVXS_FIELDSUBSCRIPTIONCTX_H
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#define PVXS_FIELDSUBSCRIPTIONCTX_H
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#include <map>
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#include <pvxs/source.h>
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#include "dbeventcontextdeleter.h"
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#include "group.h"
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#include "subscriptionctx.h"
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namespace pvxs {
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namespace ioc {
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class GroupSourceSubscriptionCtx;
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/**
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* Field subscription context. This object is the user object that is supplied when one of a group subscription's
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* fields are updated, and their subscription event is triggered.
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*
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* It contains a pointer to the group subscription of which it forms a part, as well as the field it is monitoring.
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*/
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class FieldSubscriptionCtx : public SubscriptionCtx {
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public:
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GroupSourceSubscriptionCtx* const pGroupCtx;
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Field* const field;
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// Map channel to field index in group.fields
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void subscribeField(dbEventCtx pEventCtx, EVENTFUNC (* subscriptionCallback),
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unsigned int selectOptions, bool forValues = true);
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/**
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* Constructor for a field subscription context takes a field and a group subscription context
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*
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* @param field the field this subscription context will be used to monitor
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* @param groupSourceSubscriptionCtx the group subscription context this is a part of
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*/
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explicit FieldSubscriptionCtx(Field& field, GroupSourceSubscriptionCtx* groupSourceSubscriptionCtx)
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:pGroupCtx(groupSourceSubscriptionCtx), field(&field)
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{
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if(!field.value) {
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// no associated dbChannel, so nothing to wait for
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hadValueEvent = hadPropertyEvent = true;
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}
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};
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FieldSubscriptionCtx(FieldSubscriptionCtx&&) = default;
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};
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} // pvcs
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} // ioc
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#endif //PVXS_FIELDSUBSCRIPTIONCTX_H
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