command_processor.h

/*
 Copyright (C) AC SOFTWARE SP. Z O.O.
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
 as published by the Free Software Foundation; either version 2
 of the License, or (at your option) any later version.
 
 This program 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 General Public License for more details.
 
 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
 
#ifndef SRC_SUPLA_DEBUG_COMMAND_PROCESSOR_H_
#define SRC_SUPLA_DEBUG_COMMAND_PROCESSOR_H_
 
#include <stddef.h>
#include <stdint.h>
 
#if SUPLA_TEST
#include <supla-common/proto.h>
#endif
 
#include <supla/debug/debug_config.h>
 
class SuplaDeviceClass;
 
namespace Supla {
namespace Debug {
 
class ResponseWriter {
 public:
  virtual ~ResponseWriter() = default;
  virtual void write(const char *text) = 0;
};
 
class CommandProcessor {
 public:
  explicit CommandProcessor(SuplaDeviceClass *device);
 
#if SUPLA_TEST
  using TestCalcfgHandler = int (*)(void *context,
                                    TSD_DeviceCalCfgRequest *request,
                                    TDS_DeviceCalCfgResult *result);
  CommandProcessor(SuplaDeviceClass *device,
                   TestCalcfgHandler testCalcfgHandler,
                   void *testCalcfgContext);
#endif
 
  bool processLine(const char *line, ResponseWriter *writer);
 
 private:
  struct Command;
 
  bool parseCommand(const char *json, Command *command);
  void processCommand(const Command &command, ResponseWriter *writer);
  void processDirectCommandJson(const char *line, ResponseWriter *writer);
 
  void sendError(ResponseWriter *writer, const char *error);
  void sendDone(ResponseWriter *writer, bool ok);
  void sendText(ResponseWriter *writer, const char *text);
  void sendJsonString(ResponseWriter *writer,
                      const char *prefix,
                      const char *value,
                      const char *suffix);
 
  uint32_t nextSessionId();
 
  SuplaDeviceClass *device = nullptr;
  uint32_t sessionCounter = 1;
#if SUPLA_TEST
  TestCalcfgHandler testCalcfgHandler = nullptr;
  void *testCalcfgContext = nullptr;
#endif
};
 
}  // namespace Debug
}  // namespace Supla
 
#endif  // SRC_SUPLA_DEBUG_COMMAND_PROCESSOR_H_