config.h

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/******************************************************************************
 * # License
 * <b>Copyright 2021 Silicon Laboratories Inc. www.silabs.com</b>
 ******************************************************************************
 * The licensor of this software is Silicon Laboratories Inc. Your use of this
 * software is governed by the terms of Silicon Labs Master Software License
 * Agreement (MSLA) available at
 * www.silabs.com/about-us/legal/master-software-license-agreement. This
 * software is distributed to you in Source Code format and is governed by the
 * sections of the MSLA applicable to Source Code.
 *
 *****************************************************************************/
 
#ifndef CONFIG_H
#define CONFIG_H
#include <stdbool.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
// Configuration keys
#define CONFIG_KEY_MQTT_HOST      "mqtt.host"
#define CONFIG_KEY_MQTT_PORT      "mqtt.port"
#define CONFIG_KEY_MQTT_CLIENT_ID "mqtt.client_id"
#define CONFIG_KEY_MQTT_CAFILE    "mqtt.cafile"
#define CONFIG_KEY_MQTT_CERTFILE  "mqtt.certfile"
#define CONFIG_KEY_MQTT_KEYFILE   "mqtt.keyfile"
#define CONFIG_KEY_LOG_LEVEL      "log.level"
#define CONFIG_KEY_LOG_TAG_LEVEL  "log.tag_level"
 
// Default Settings
#define DEFAULT_CONFIG_PATH "/etc/uic/uic.cfg"
 
typedef enum {
  CONFIG_STATUS_OK             = 0x0,
  CONFIG_STATUS_NOK            = 0x1,
  CONFIG_STATUS_ERROR          = 0x2,
  CONFIG_STATUS_INVALID_TYPE   = 0x4,
  CONFIG_STATUS_DOES_NOT_EXIST = 0x8,
  CONFIG_STATUS_INFO_MESSAGE   = 0x10,
} config_status_t;
 
config_status_t config_add_string(const char *name,
                                  const char *help,
                                  const char *default_value);
 
config_status_t
  config_add_int(const char *name, const char *help, int default_value);
 
config_status_t
  config_add_double(const char *name, const char *help, double default_value);
 
config_status_t
  config_add_bool(const char *name, const char *help, bool default_value);
 
config_status_t config_add_flag(const char *name, const char *help);
 
config_status_t config_parse(int argc, char **argv, const char *version);
 
// Config Getters
 
config_status_t config_get_as_string(const char *name, const char **result);
 
config_status_t config_get_as_int(const char *name, int *result);
 
config_status_t config_get_as_double(const char *name, double *result);
 
config_status_t config_get_as_bool(const char *name, bool *result);
 
config_status_t config_has_flag(const char *name);
 
void config_reset();
 
#ifdef __cplusplus
}
#include <ostream>
config_status_t config_parse_with_output(int argc,
                                         char **argv,
                                         const char *version,
                                         std::ostream &out);
#endif
 
#endif  //CONFIG_H