123 lines
3.7 KiB
C++
123 lines
3.7 KiB
C++
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* InternalRDMController.h
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* Manager internally generated RDM requests
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* Copyright (C) 2010 Simon Newton
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*/
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#ifndef OLAD_INTERNALRDMCONTROLLER_H_
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#define OLAD_INTERNALRDMCONTROLLER_H_
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#include <deque>
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#include <map>
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#include <string>
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#include "ola/Callback.h"
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#include "ola/Clock.h"
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#include "ola/rdm/RDMCommand.h"
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#include "ola/rdm/UID.h"
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#include "olad/InternalInputPort.h"
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#include "olad/PortManager.h"
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namespace ola {
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using ola::rdm::RDMRequest;
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using ola::rdm::RDMResponse;
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using std::deque;
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typedef enum {
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RDM_RESPONSE_OK,
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RDM_RESPONSE_BROADCAST,
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RDM_RESPONSE_TIMED_OUT,
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} rdm_response_status;
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typedef struct {
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rdm_response_status status;
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const RDMResponse *response;
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} rdm_response_data;
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typedef ola::SingleUseCallback1<void, const rdm_response_data&>
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rdm_controller_callback;
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/*
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* This represents an RDMRequest that we haven't got a response for yet
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*/
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class OutstandingRDMRequest {
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public:
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OutstandingRDMRequest(const RDMRequest *request,
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rdm_controller_callback *callback);
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bool Matches(const RDMResponse *response);
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bool HasExpired(const TimeStamp &now);
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void RunCallback(const rdm_response_data &data);
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private:
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OutstandingRDMRequest(const OutstandingRDMRequest&);
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OutstandingRDMRequest& operator=(const OutstandingRDMRequest&);
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const UID m_source_uid;
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uint8_t m_sub_device;
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uint8_t m_transaction_number;
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ola::rdm::RDMCommand::RDMCommandClass m_command_class;
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TimeStamp m_expires;
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rdm_controller_callback *m_callback;
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static const unsigned int EXPIRY_TIMEOUT_S = 3;
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};
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/*
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* This class manages RDM requests generated internally.
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*/
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class InternalRDMController: public InternalInputPortResponseHandler {
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public:
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InternalRDMController(const UID &default_uid,
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PortManager *port_manager,
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class ExportMap *export_map);
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~InternalRDMController();
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bool SendRDMRequest(
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Universe *universe,
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const UID &destination,
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uint8_t sub_device,
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uint16_t param_id,
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const string &data,
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bool is_set,
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rdm_controller_callback *callback,
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const UID *source = NULL);
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bool HandleRDMResponse(unsigned int universe,
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const ola::rdm::RDMResponse *response);
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void CheckTimeouts(const TimeStamp &now);
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private :
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InternalRDMController(const InternalRDMController&);
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InternalRDMController& operator=(const InternalRDMController&);
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const UID m_default_uid;
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PortManager *m_port_manager;
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map<unsigned int, InternalInputPort*> m_input_ports;
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map<pair<unsigned int, const UID>, uint8_t> m_transaction_numbers;
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map<unsigned int, deque<OutstandingRDMRequest*> > m_outstanding_requests;
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class ExportMap *m_export_map;
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static const char MISMATCHED_RDM_RESPONSE_VAR[];
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static const char EXPIRED_RDM_REQUESTS_VAR[];
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static const char BROADCAST_RDM_REQUESTS_VAR[];
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static const char FAILED_RDM_REQUESTS_VAR[];
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};
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} // ola
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#endif // OLAD_INTERNALRDMCONTROLLER_H_
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