85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/**
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* Copyright - See the COPYRIGHT that is included with this distribution.
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* EPICS pvAccessCPP is distributed subject to a Software License Agreement
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* found in file LICENSE that is included with this distribution.
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*/
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#ifndef RPCCLIENT_H
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#define RPCCLIENT_H
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#include <string>
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#ifdef epicsExportSharedSymbols
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# define rpcClientEpicsExportSharedSymbols
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# undef epicsExportSharedSymbols
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#endif
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#include <pv/pvData.h>
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#ifdef rpcClientEpicsExportSharedSymbols
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# define epicsExportSharedSymbols
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# undef rpcClientEpicsExportSharedSymbols
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#endif
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#include <shareLib.h>
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namespace epics
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{
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namespace pvAccess
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{
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/**
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* RPCClient is an interface class that is used by a service client.
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*
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*/
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class epicsShareClass RPCClient
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{
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public:
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POINTER_DEFINITIONS(RPCClient);
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/**
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* Sends a request and wait for the response or until timeout occurs.
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* This method will also wait for client to connect, if necessary.
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*
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* @param pvArgument the argument for the rpc
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* @param timeout the time in seconds to wait for the response
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* @return request response.
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*/
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virtual epics::pvData::PVStructure::shared_pointer request(epics::pvData::PVStructure::shared_pointer pvRequest,
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double timeOut) = 0;
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virtual ~RPCClient() {}
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};
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class RPCClientFactory
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{
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public:
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/**
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* Create a RPCClient.
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*
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* @param serviceName the service name
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* @return the RPCClient interface
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*/
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static RPCClient::shared_pointer create(const std::string & serviceName);
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};
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/**
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* Performs complete blocking RPC call, opening a channel and connecting to the
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* service and sending the request.
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* The PVStructure sent on connection is null.
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*
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* @param serviceName the name of the service to connect to
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* @param request the request sent to the service
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* @return the result of the RPC call.
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*/
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epics::pvData::PVStructure::shared_pointer sendRequest(const std::string & serviceName,
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epics::pvData::PVStructure::shared_pointer request, double timeOut);
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}
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}
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#endif
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