ResponderOps.h

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/*
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * ResponderOps.h
 * A framework for building RDM responders.
 * Copyright (C) 2013 Simon Newton
 */

#ifndef INCLUDE_OLA_RDM_RESPONDEROPS_H_
#define INCLUDE_OLA_RDM_RESPONDEROPS_H_

#include <ola/rdm/RDMCommand.h>
#include <ola/rdm/RDMControllerInterface.h>
#include <ola/rdm/RDMResponseCodes.h>

#include <map>

namespace ola {
namespace rdm {

template <class Target>
class ResponderOps {
 public:
    typedef const RDMResponse *(Target::*RDMHandler)(const RDMRequest *request);

    struct ParamHandler {
      uint16_t pid;  
      RDMHandler get_handler;  
      RDMHandler set_handler;  
    };

    explicit ResponderOps(const ParamHandler param_handlers[],
                          bool include_required_pids = false);

    void HandleRDMRequest(Target *target,
                          const UID &target_uid,
                          uint16_t sub_device,
                          const RDMRequest *request,
                          RDMCallback *on_complete);

 private:
    struct InternalParamHandler {
      RDMHandler get_handler;
      RDMHandler set_handler;
    };
    typedef std::map<uint16_t, InternalParamHandler> RDMHandlers;

    bool m_include_required_pids;
    RDMHandlers m_handlers;

    RDMResponse *HandleSupportedParams(const RDMRequest *request);
};

}  // namespace rdm
}  // namespace ola
#include <ola/rdm/ResponderOpsPrivate.h>  // NOLINT(build/include_order)
#endif  // INCLUDE_OLA_RDM_RESPONDEROPS_H_