comm_drv_internal.cpp

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/***************************************************************************
 *   Copyright (C) 2024 Alec Leamas                                        *
 *                                                                         *
 *   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.                                   *
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 *   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.                          *
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 *   Free Software Foundation, Inc.,                                       *
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 **************************************************************************/
 
// For compilers that support precompilation, includes "wx.h".
#include <wx/wxprec.h>
 
#ifndef WX_PRECOMP
#include <wx/wx.h>
#endif
 
#include <wx/log.h>
#include <wx/string.h>
 
#include "nlohmann/json.hpp"
#include "observable/observable.h"
 
#include "config.h"
#include "model/comm_drv_internal.h"
#include "model/comm_drv_registry.h"
#include "model/comm_navmsg_bus.h"
#include "model/logger.h"
#include "model/plugin_comm.h"
 
CommDriverInternal::CommDriverInternal(DriverListener& listener)
    : AbstractCommDriver(NavAddr::Bus::Plugin, "internal"),
      m_listener(listener) {
  this->attributes["commPort"] = "internal";
  this->attributes["protocol"] = "internal";
  this->attributes["ioDirection"] = "OUT";
}
 
bool CommDriverInternal::SendMessage(std::shared_ptr<const NavMsg> msg,
                                     std::shared_ptr<const NavAddr> addr) {
  auto plugin_msg = std::dynamic_pointer_cast<const PluginMsg>(msg);
  if (!plugin_msg) {
    WARNING_LOG << "SendMessage(): Illegal message type";
    return false;
  }
  nlohmann::json root;
  try {
    root = nlohmann::json::parse(plugin_msg->message);
  } catch (nlohmann::json::exception& e) {
    WARNING_LOG << "SendMessage(): cannot parse json: "
                << std::string(e.what()).substr(0, 30);
    return false;
  }
  m_listener.Notify(plugin_msg);
  return true;
}