bmsd/bms.h

/**
 * @file bms.h
 */

#ifndef	_BMS_H
#define	_BMS_H


#define _GNU_SOURCE  // for secure_getenv()

#include "../config.h"

#include <stdlib.h>
#include <stdio.h>
#include <stdint.h>
#include <stdarg.h>
#include <string.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/un.h>
#include <sys/utsname.h>
#include <pwd.h>
#include <time.h>
#include <fcntl.h>
#include <syslog.h>
#include <unistd.h>
#include <errno.h>
#include <signal.h>
#include <getopt.h>
#include <limits.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <poll.h>
#include <dirent.h>
#include <uuid/uuid.h>
#include <math.h>
#include <assert.h>
#include <libgen.h>
#include <pthread.h>
#include <libxml/xmlmemory.h>
#include <libxml/parser.h>
#include <libxml/encoding.h>
#include <libxml/xmlwriter.h>
#include <mosquitto.h>
#ifdef HAVE_MYSQL_MYSQL_H
#include <mysql/mysql.h>
#endif
#ifdef HAVE_MARIADB_MYSQL_H
#include <mariadb/mysql.h>
#endif
#include <json-c/json.h>


#define MBSE_SS(x) (x)?(x):"(null)"


#define MQTT_NODE_CONTROL	0x0001			///< Show node control
#define LOWBATT			3.3			///< Low battery voltage


/**
 * @brief Configuration structure. Stored in a flat ascii file ~/.bms/bms.config
 */
typedef struct _sys_config {
    char			*bms_name;		///< Brewery name
    char			*bms_uuid;		///< Brewery uuid
    char			*mysql_host;		///< MySQL host
    int				mysql_port;		///< MySQL port
    char			*mysql_user;		///< MySQL user name
    char			*mysql_pass;		///< MySQL password
    char			*mysql_database;	///< MySQL database
    char			*mqtt_host;		///< MQTT host
    int				mqtt_port;		///< MQTT port
    char			*mqtt_user;		///< MQTT username of NULL
    char			*mqtt_pass;		///< MQTT password of NULL
    char			*web_root;		///< WWW root directory
    int				websocket_port;		///< Websocket port
} sys_config;


/**
 * @brief Structure for the nodes. Database table 'mon_nodes'.
 */
typedef struct _sys_node_list {
    struct _sys_node_list	*next;
    char			*uuid;			///< uuid string
    char			*node;			///< nodename
    bool			online;			///< on-line state
    char			*group_id;		///< group type
    char			*hardwaremake;		///< hardware make
    char			*hardwaremodel;		///< hardware model
    char			*os;			///< os type
    char			*os_version;		///< os version
    char			*firmware;		///< application version
    time_t			firstseen;		///< First seen this session
    time_t			lastseen;		///< Last seen this session
    float			temperature;		///< environment temperature
    float			humidity;		///< environment humidity
    float			barometer;		///< environment barometer pressure
    float			gps_latitude;		///< GPS latitude
    float			gps_longitude;		///< GPS longitude
    float			gps_altitude;		///< GPS altitude
    char			*net_address;		///< IPv4 or IPv6 address
    char			*net_ifname;		///< Interface name
    int				net_rssi;		///< RSSI value if wireless.
    int				interval;		///< Update interval
    char			*net_ssid;		///< WiFi SSID
} sys_node_list;


/**
 * @brief Fermenting profile steps
 */
typedef struct _prof_step {
    struct _prof_step   	*next;
    int                 	steptime;               ///< Step time to target in hours
    int                 	resttime;               ///< Rest time on target in hours
    float               	target_lo;              ///< Low Target temperature
    float               	target_hi;              ///< High target temperature
    int                 	fridge_mode;            ///< Fridge or beer mode
} prof_step;


typedef enum
{
    FERMENTER_MODE_OFF = 0,		///< Fermenter is off.
    FERMENTER_MODE_NONE,		///< Fermenter on but does nothing.
    FERMENTER_MODE_FRIDGE,		///< Fermenter acts as a fridge.
    FERMENTER_MODE_BEER,		///< Fermenter acts as beer cooler.
    FERMENTER_MODE_PROFILE,		///< Fermenter runs in profile mode.
} FERMENTER_MODE;

typedef enum
{
    FERMENTER_STAGE_PRIMARY = 0,	///< Fermentation primage stage.
    FERMENTER_STAGE_SECONDARY,		///< Fermenter secondary stage.
    FERMENTER_STAGE_TERTIARY,		///< Fermenter tertiary stage.
    FERMENTER_STAGE_CARBONATION,	///< Fermenter carbonation stage.
} FERMENTER_STAGE;

typedef enum
{
    DEVPRESENT_UNDEF = 0,		///< Precence not detectable.
    DEVPRESENT_NO,			///< Device is missing.
    DEVPRESENT_YES,			///< Device is present and Ok.
    DEVPRESENT_ERROR,			///< Device is present but in error state.
} DEVPRESENT_STATE;


typedef enum
{
    ALARM_FLAG_DOOR	= 0x0001,	///< Door open
    ALARM_FLAG_PSU	= 0x0002,	///< PSU problem
    ALARM_FLAG_BATTERY	= 0x0004,	///< Low battery
    ALARM_FLAG_CHILLER	= 0x0100,	///< Chiller too warm
} ALARM_FLAGS;


/**
 * @brief Structure for the fermenters. Stored in database table 'mon_fermenters'.
 */
typedef struct _fermenter_list {
    struct _fermenter_list	*next;
    char			*uuid;			///< Fixed uuid string
    char			*alias;			///< Fixed short name
    char			*node;			///< Fixed node name
    bool			online;			///< Online status
    char			*beercode;		///< Beer unique code
    char			*beername;		///< Beer name in fermenter
    char			*beeruuid;		///< Beer uuid in fermenter
    char			*air_address;		///< Air sensor address
    char			*air_state;		///< Air sensor state
    float			air_temperature;	///< Air temperature
    char			*beer_address;		///< Beer sensor address
    char			*beer_state;		///< Beer sensor state
    float			beer_temperature;	///< Beer temperature
    char			*chiller_address;	///< Chiller sensor address
    char			*chiller_state;		///< Chiller sensor state
    float			chiller_temperature;	///< Chiller temperature
    char			*heater_address;	///< Heater address
    int				heater_state;		///< Heater state
    uint64_t			heater_usage;		///< Heater usage
    char			*cooler_address;	///< Cooler address
    int				cooler_state;		///< Cooler state
    uint64_t			cooler_usage;		///> Cooler usage
    char			*fan_address;		///< Fan address
    int				fan_state;		///< Fan state
    uint64_t			fan_usage;		///< Fan usage
    char			*light_address;		///< Light address
    int				light_state;		///< Light state
    uint64_t			light_usage;		///< Light usage
    char			*door_address;		///< Door address
    int				door_state;		///< Door state
    char 			*psu_address;		///< PSU address
    int				psu_state;		///< PSU state
    char			*mode;			///< Fermenter mode
    char			*stage;			///< Fermentation stage
    uint32_t			alarm;			///< Alarm flag
    float			setpoint_high;		///< Setpoint high
    float			setpoint_low;		///< Setpoint low
    char			*profile_uuid;		///< Profile uuid
    char			*profile_name;		///< Profile name
    char			*profile_state;		///< Profile state
    int				profile_percent;	///< Profile percent done
    float			profile_inittemp_high;	///< Profile init temp high
    float			profile_inittemp_low;	///< Profile init temp low
    char			*profile_steps;		///< Profile steps in JSON
    float			yeast_lo;		///< Yeast minimum temperature
    float			yeast_hi;		///< Yeast maximum temperature
    char			*webcam_url;		///< Webcam url to the stream
    int				webcam_light;		///< Webcam control lights
} sys_fermenter_list;


typedef enum
{
    PROFILE_OFF = 0,			///< Profile not active
    PROFILE_PAUSE,               	///< Profile pause
    PROFILE_RUN,               		///< Profile is running
    PROFILE_DONE,               	///< Profile is finished
    PROFILE_ABORT,               	///< Profile abort
} PROFILE_STATE;


/**
 * @brief Strcuture holding a fermentation log entry.
 */
typedef struct fermenting_log {
    char	*datetime;		///< Date/time stamp
    char	*product_uuid;		///< Product uuid
    char	*product_code;		///< Product code
    char	*product_name;		///< Product name
    float	temperature_air;	///< Temperature air
    float	temperature_beer;	///< Temperature beer
    float	temperature_chiller;	///< Temperature chiller (if pressent)
    float	temperature_room;	///< Temperature room
    int		heater_power;		///< Heater power 0..100
    uint64_t	heater_usage;		///< Heater usage counter in seconds.
    int		cooler_power;		///< Cooler power 0..100
    uint64_t	cooler_usage;		///< Cooler usage counter in seconds.
    int		fan_power;		///< Fan power 0 or 100
    uint64_t	fan_usage;		///< Fan usage counter in seconds
    float	setpoint_low;		///< Target temperature low
    float	setpoint_high;		///< Target temperature high
    char	*mode;			///< Working mode.
    char	*stage;			///< Fermentation stage
    char	*event;			///< Optional event
    char	*fermenter_uuid;	///< Fermenter in use
    char	*fermenter_node;	///< Fermenter node
    char	*fermenter_alias;	///< Fermenter_alias
} fermentation_log;


/**
 * @brief Structure for the co2meters. Stored in database table 'mon_co2meters'.
 */
typedef struct _co2meter_list {
    struct _co2meter_list	*next;
    char                        *uuid;                  ///< Fixed uuid string
    char                        *alias;                 ///< Fixed short name
    char                        *node;                  ///< Fixed node name
    bool                        online;                 ///< Online status
    char			*mode;			///< Working mode
    uint32_t			alarm;			///< Alarm bits
    char                        *beercode;              ///< Beer unique code
    char                        *beername;              ///< Beer name in fermenter
    char                        *beeruuid;              ///< Beer uuid in fermenter
    char			*temperature_state;	///< Temperature sensor state
    char			*temperature_address;	///< Temperature sensor address
    float			temperature;		///< Temperature value
    char			*pressure_state;	///< Pressure sensor state
    uint8_t			pressure_channel;	///< Pressure sensor channel
    float			pressure_voltage;	///< Pressure voltage reading
    float			pressure_zero;		///< Pressure zero offset voltage
    float			pressure_bar;		///< Pressure in bar
} sys_co2meter_list;


/**
 * @brief Structure holding a co2 pressure log entry.
 */
typedef struct co2meter_log {
    char			*datetime;		///< Date/time stamp
    char			*product_uuid;		///< Product uuid
    char			*product_code;		///< Product code
    char			*product_name;		///< Product name
    float			temperature;		///< Temperature
    float			pressure;		///< Pressure
    char			*uuid;			///< Unit uuid
    char			*node;			///< Unit node
    char			*alias;			///< Unit alias
} co2pressure_log;


/**
 * @brief Brew computer controllers. Must have hardware + installation + recipe data.
 */
typedef struct _brewer_list {
    struct _brewer_list		*next;
    char			*uuid;
} brewer_list;


// Make it universal and make it connectable with a beer.
typedef struct _ispindel_list {
    struct _ispindel_list	*next;
    char			*uuid;			///< Fixed uuid string.
    char			*alias;			///< Alias name.
    char			*node;			///< Node name received.
    bool			online;			///< Is considered online.
    char			*mode;			///< Working mode OFF or ON.
    uint32_t			alarm;			///< Alarm flags.
    char			*beercode;              ///< Beer unique code
    char                        *beername;              ///< Beer name being measured
    char                        *beeruuid;              ///< Beer uuid being measured
    float			angle;			///< Tilt angle in degrees
    float			temperature;		///< Temperature in C
    float			battery;		///< Battery voltage
    float			gravity;		///< Gravity in Plato
    int				interval;		///< Measure interval
    float			og_gravity;		///< OG gravity in Plato detected
} sys_ispindel_list;


#endif