97 lines
3.5 KiB
C++
97 lines
3.5 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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#ifndef BASECHANNELREQUESTER_H_
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#define BASECHANNELREQUESTER_H_
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#ifdef epicsExportSharedSymbols
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# define baseChannelRequesterEpicsExportSharedSymbols
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# undef epicsExportSharedSymbols
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#endif
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#include <pv/requester.h>
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#include <pv/destroyable.h>
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#ifdef baseChannelRequesterEpicsExportSharedSymbols
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# define epicsExportSharedSymbols
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# undef baseChannelRequesterEpicsExportSharedSymbols
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#endif
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#include <pv/serverContext.h>
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#include <pv/serverChannelImpl.h>
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namespace epics {
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namespace pvAccess {
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class BaseChannelRequester : virtual public epics::pvData::Requester, public epics::pvData::Destroyable
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{
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public:
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BaseChannelRequester(ServerContextImpl::shared_pointer const & context, ServerChannelImpl::shared_pointer const & channel,
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const pvAccessID ioid, Transport::shared_pointer const & transport);
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virtual ~BaseChannelRequester() {};
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bool startRequest(epics::pvData::int32 qos);
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void stopRequest();
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epics::pvData::int32 getPendingRequest();
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epics::pvData::String getRequesterName();
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void message(epics::pvData::String const & message, epics::pvData::MessageType messageType);
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static void message(Transport::shared_pointer const & transport, const pvAccessID ioid, const epics::pvData::String message, const epics::pvData::MessageType messageType);
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static void sendFailureMessage(const epics::pvData::int8 command, Transport::shared_pointer const & transport, const pvAccessID ioid, const epics::pvData::int8 qos, const epics::pvData::Status status);
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static const epics::pvData::Status okStatus;
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static const epics::pvData::Status badCIDStatus;
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static const epics::pvData::Status badIOIDStatus;
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static const epics::pvData::Status noReadACLStatus;
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static const epics::pvData::Status noWriteACLStatus;
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static const epics::pvData::Status noProcessACLStatus;
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static const epics::pvData::Status otherRequestPendingStatus;
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static const epics::pvData::Status notAChannelRequestStatus;
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protected:
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const pvAccessID _ioid;
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Transport::shared_pointer _transport;
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ServerChannelImpl::shared_pointer _channel;
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epics::pvData::Mutex _mutex;
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private:
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ServerContextImpl::shared_pointer _context;
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static const epics::pvData::int32 NULL_REQUEST;
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epics::pvData::int32 _pendingRequest;
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};
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class BaseChannelRequesterMessageTransportSender : public TransportSender
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{
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public:
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BaseChannelRequesterMessageTransportSender(const pvAccessID _ioid, const epics::pvData::String message,const epics::pvData::MessageType messageType);
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void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control);
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void lock();
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void unlock();
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private:
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const pvAccessID _ioid;
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const epics::pvData::String _message;
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const epics::pvData::MessageType _messageType;
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};
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class BaseChannelRequesterFailureMessageTransportSender : public TransportSender
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{
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public:
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BaseChannelRequesterFailureMessageTransportSender(const epics::pvData::int8 command, Transport::shared_pointer const & transport, const pvAccessID ioid, const epics::pvData::int8 qos, const epics::pvData::Status& status);
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void send(epics::pvData::ByteBuffer* buffer, TransportSendControl* control);
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void lock();
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void unlock();
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private:
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const epics::pvData::int8 _command;
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const pvAccessID _ioid;
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const epics::pvData::int8 _qos;
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const epics::pvData::Status _status;
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Transport::shared_pointer _transport;
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};
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}
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}
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#endif /* BASECHANNELREQUESTER_H_ */
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