rpcClient.h

#ifndef RPCCLIENT_H
#define RPCCLIENT_H

#include <string>

#ifdef epicsExportSharedSymbols
#   define rpcClientEpicsExportSharedSymbols
#   undef epicsExportSharedSymbols
#endif
#include <pv/pvData.h>
#include <pv/valueBuilder.h>
#ifdef rpcClientEpicsExportSharedSymbols
#   define epicsExportSharedSymbols
#       undef rpcClientEpicsExportSharedSymbols
#endif

#include <pv/rpcService.h>

#include <shareLib.h>

#define RPCCLIENT_DEFAULT_TIMEOUT 5.0

namespace epics
{

namespace pvAccess
{

class epicsShareClass RPCClient
{
public:
    POINTER_DEFINITIONS(RPCClient);

    static shared_pointer create(const std::string & serviceName,
                                 epics::pvData::PVStructure::shared_pointer const & pvRequest = epics::pvData::PVStructure::shared_pointer());

    RPCClient(const std::string & serviceName,
              epics::pvData::PVStructure::shared_pointer const & pvRequest,
              const ChannelProvider::shared_pointer& provider = ChannelProvider::shared_pointer(),
              const std::string& address = std::string());

    ~RPCClient() {destroy();}



    void destroy();

    bool connect(double timeout = RPCCLIENT_DEFAULT_TIMEOUT);

    void issueConnect();

    bool waitConnect(double timeout = RPCCLIENT_DEFAULT_TIMEOUT);

    epics::pvData::PVStructure::shared_pointer request(
        epics::pvData::PVStructure::shared_pointer const & pvArgument,
        double timeout = RPCCLIENT_DEFAULT_TIMEOUT,
        bool lastRequest = false);

    void issueRequest(
        epics::pvData::PVStructure::shared_pointer const & pvArgument,
        bool lastRequest = false);

    epics::pvData::PVStructure::shared_pointer waitResponse(double timeout = RPCCLIENT_DEFAULT_TIMEOUT);

private:

    const std::string m_serviceName;
    ChannelProvider::shared_pointer m_provider;
    Channel::shared_pointer m_channel;
    ChannelRPC::shared_pointer m_rpc;
    const epics::pvData::PVStructure::shared_pointer m_pvRequest;

    struct RPCRequester;
    std::tr1::shared_ptr<RPCRequester> m_rpc_requester;

    RPCClient(const RPCClient&);
    RPCClient& operator=(const RPCClient&);
};

}

}

#endif