106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* pvAccessCPP 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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/**
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* @author msekoranja, mrk
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* @date 2018.07
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*/
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#ifndef CAPROVIDERPVT_H
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#define CAPROVIDERPVT_H
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#include <cadef.h>
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#include <epicsMutex.h>
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#include <pv/logger.h>
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#include <pv/pvAccess.h>
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#include <pv/caProvider.h>
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#include "caContext.h"
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#include "notifierConveyor.h"
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namespace epics {
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namespace pvAccess {
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namespace ca {
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#define EXCEPTION_GUARD(code) try { code; } \
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catch (std::exception &e) { \
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LOG(logLevelError, "Unhandled exception from client code at %s:%d: %s", \
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__FILE__, __LINE__, e.what()); \
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} \
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catch (...) { \
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LOG(logLevelError, "Unhandled exception from client code at %s:%d.", \
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__FILE__, __LINE__); \
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}
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class CAChannel;
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typedef std::tr1::shared_ptr<CAChannel> CAChannelPtr;
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typedef std::tr1::weak_ptr<CAChannel> CAChannelWPtr;
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class CAChannelProvider;
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typedef std::tr1::shared_ptr<CAChannelProvider> CAChannelProviderPtr;
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typedef std::tr1::weak_ptr<CAChannelProvider> CAChannelProviderWPtr;
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class CAChannelProvider :
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public ChannelProvider,
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public std::tr1::enable_shared_from_this<CAChannelProvider>
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{
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public:
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POINTER_DEFINITIONS(CAChannelProvider);
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CAChannelProvider(const std::tr1::shared_ptr<Configuration>&);
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virtual ~CAChannelProvider();
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/* --------------- epics::pvAccess::ChannelProvider --------------- */
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virtual std::string getProviderName();
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virtual ChannelFind::shared_pointer channelFind(
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std::string const & channelName,
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ChannelFindRequester::shared_pointer const & channelFindRequester);
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virtual ChannelFind::shared_pointer channelList(
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ChannelListRequester::shared_pointer const & channelListRequester);
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virtual Channel::shared_pointer createChannel(
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std::string const & channelName,
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ChannelRequester::shared_pointer const & channelRequester,
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short priority);
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virtual Channel::shared_pointer createChannel(
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std::string const & channelName,
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ChannelRequester::shared_pointer const & channelRequester,
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short priority,
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std::string const & address);
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virtual void configure(epics::pvData::PVStructure::shared_pointer configuration);
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virtual void flush();
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virtual void poll();
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void addChannel(const CAChannelPtr & channel);
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CAContextPtr caContext() {
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return ca_context;
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}
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void notifyConnection(NotificationPtr const ¬ificationPtr) {
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connectNotifier.notifyClient(notificationPtr);
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}
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void notifyResult(NotificationPtr const ¬ificationPtr) {
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resultNotifier.notifyClient(notificationPtr);
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}
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private:
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CAContextPtr ca_context;
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epicsMutex channelListMutex;
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std::vector<CAChannelWPtr> caChannelList;
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NotifierConveyor connectNotifier;
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NotifierConveyor resultNotifier;
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};
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}}}
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#endif /* CAPROVIDERPVT_H */
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