bmsd/ispindels.c

Wed, 20 May 2020 21:49:09 +0200

author
Michiel Broek <mbroek@mbse.eu>
date
Wed, 20 May 2020 21:49:09 +0200
changeset 684
ccb9f24d0fe9
parent 681
7ed5c380e21b
child 686
ca1fbb3bd3db
permissions
-rw-r--r--

Report any online status change via websocket broadcast. When starting, load all in memory tables sorted. The websocket status on the web pages has it's own panel. Prepared the menu system for dynamic updates.

/**
 * @file ispindels.c
 * @brief Handle ispindels data
 * @author Michiel Broek <mbroek at mbse dot eu>
 *
 * Copyright (C) 2019-2020
 *
 * This file is part of the bms (Brewery Management System)
 *
 * This 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, or (at your option) any
 * later version.
 *
 * bms 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 ThermFerm; see the file COPYING.  If not, write to the Free
 * Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */


#include "bms.h"
#include "xutil.h"
#include "ispindels.h"
#include "mysql.h"
#include "nodes.h"
#include "websocket.h"


sys_ispindel_list	*ispindels = NULL;

extern int		debug;
extern sys_config       Config;
extern MYSQL		*con;
extern MYSQL_RES	*res_set;
extern MYSQL_ROW	row;


void ispindel_ws_send(sys_ispindel_list *ispindel)
{
    char	*msg = NULL, buf[65];

    msg = xstrcpy((char *)"{\"device\":\"ispindels\",\"node\":\"");
    msg = xstrcat(msg, ispindel->node);
    msg = xstrcat(msg, (char *)"\",\"unit\":\"");
    msg = xstrcat(msg, ispindel->alias);
    msg = xstrcat(msg, (char *)"\",\"online\":");
    msg = xstrcat(msg, ispindel->online ? (char *)"1":(char *)"0");
    msg = xstrcat(msg, (char *)",\"mode\":\"");
    msg = xstrcat(msg, ispindel->mode);
    msg = xstrcat(msg, (char *)"\",\"beeruuid\":\"");
    msg = xstrcat(msg, ispindel->beeruuid);
    msg = xstrcat(msg, (char *)"\",\"beercode\":\"");
    msg = xstrcat(msg, ispindel->beercode);
    msg = xstrcat(msg, (char *)"\",\"beername\":\"");
    msg = xstrcat(msg, ispindel->beername);
    msg = xstrcat(msg, (char *)"\",\"temperature\":");
    snprintf(buf, 64, "%.4f", ispindel->temperature);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)",\"angle\":");
    snprintf(buf, 64, "%.6f", ispindel->angle);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)",\"battery\":");
    snprintf(buf, 64, "%.6f", ispindel->battery);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)",\"gravity\":");
    snprintf(buf, 64, "%.6f", ispindel->gravity);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)",\"og_gravity\":");
    snprintf(buf, 64, "%.6f", ispindel->og_gravity);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)",\"alarm\":");
    snprintf(buf, 64, "%d", ispindel->alarm);
    msg = xstrcat(msg, buf);
    msg = xstrcat(msg, (char *)"}");
    ws_broadcast(msg);
    free(msg);
    msg = NULL;
}



void ispindel_ws_receive(char *payload)
{
    struct json_object  *jobj, *val;
    sys_ispindel_list   *tmpp;
    char                *node = NULL, *alias = NULL, *mode = NULL, *beeruuid = NULL, *beercode = NULL, *beername = NULL;
    char                query[512], *end;
    MYSQL               *con2 = NULL;

//    syslog(LOG_NOTICE, "ispindel_ws_receive(%s)", payload);

    /*
     * Process the JSON formatted payload.
     */
    jobj = json_tokener_parse(payload);
    if (json_object_object_get_ex(jobj, "node", &val))
        node = xstrcpy((char *)json_object_get_string(val));
    if (json_object_object_get_ex(jobj, "unit", &val))
        alias = xstrcpy((char *)json_object_get_string(val));
    if (json_object_object_get_ex(jobj, "beeruuid", &val))
        beeruuid = xstrcpy((char *)json_object_get_string(val));
    if (json_object_object_get_ex(jobj, "beercode", &val))
        beercode = xstrcpy((char *)json_object_get_string(val));
    if (json_object_object_get_ex(jobj, "beername", &val))
        beername = xstrcpy((char *)json_object_get_string(val));
    if (json_object_object_get_ex(jobj, "mode", &val))
	mode = xstrcpy((char *)json_object_get_string(val));
    json_object_put(jobj);

    /*
     * Search ispindel record in the memory array and use it if found.
     */
    if (ispindels) {
        for (tmpp = ispindels; tmpp; tmpp = tmpp->next) {
            if (strcmp(tmpp->node, node) == 0) {
		con2 = mysql_init(NULL);
                if (con2 == NULL) {
                    syslog(LOG_NOTICE, "MySQL: mysql_init() failed");
                } else {
                    if (mysql_real_connect(con2, Config.mysql_host, Config.mysql_user, Config.mysql_pass, Config.mysql_database, Config.mysql_port, NULL, 0) == NULL) {
                        syslog(LOG_NOTICE, "MySQL: mysql_real_connect() %s", mysql_error(con2));
                    } else {
			if (beeruuid && beercode && beername) {
			    end = stpcpy(query, "UPDATE mon_ispindels SET beeruuid='");
                            end += mysql_real_escape_string(con2, end, beeruuid, strlen(beeruuid));
                            end = stpcpy(end, "', beercode='");
                            end += mysql_real_escape_string(con2, end, beercode, strlen(beercode));
                            end = stpcpy(end, "', beername='");
                            end += mysql_real_escape_string(con2, end, beername, strlen(beername));
                            end = stpcpy(end, "', og_gravity='0.0' WHERE node='");
                            end += mysql_real_escape_string(con2, end, node, strlen(node));
                            end = stpcpy(end, "'");

			    if (mysql_real_query(con2, query, (unsigned int) (end - query))) {
                                syslog(LOG_NOTICE, "MySQL: `%s' error %u (%s))", query, mysql_errno(con2), mysql_error(con2));
                            } else {
                                /* Database updated, now update internal memory */
                                if (tmpp->beercode)
                                    free(tmpp->beercode);
                                tmpp->beercode = xstrcpy(beercode);
                                if (tmpp->beername)
                                    free(tmpp->beername);
                                tmpp->beername = xstrcpy(beername);
                                if (tmpp->beeruuid)
                                    free(tmpp->beeruuid);
                                tmpp->beeruuid = xstrcpy(beeruuid);
				tmpp->og_gravity = 0.0;
                                /* Report new state to the client */
                                ispindel_ws_send(tmpp);
                                syslog(LOG_NOTICE, "Set ispindel %s/%s new beer %s %s", node, alias, beercode, beername);
			    }
			}
			if (mode) {
			    end = stpcpy(query, "UPDATE mon_ispindels SET mode='");
                            end += mysql_real_escape_string(con2, end, mode, strlen(mode));
                            end = stpcpy(end, "' WHERE node='");
                            end += mysql_real_escape_string(con2, end, node, strlen(node));
                            end = stpcpy(end, "'");

			    if (mysql_real_query(con2, query, (unsigned int) (end - query))) {
                                syslog(LOG_NOTICE, "MySQL: `%s' error %u (%s))", query, mysql_errno(con2), mysql_error(con2));
                            } else {
                                /* Database updated, now update internal memory */
                                if (tmpp->mode)
                                    free(tmpp->mode);
                                tmpp->mode = xstrcpy(mode);
                                /* Report new state to the client */
                                ispindel_ws_send(tmpp);
                                syslog(LOG_NOTICE, "Set ispindel %s/%s new mode %s", node, alias, mode);
                            }
			}
			mysql_close(con2);
		    }
		}
		break;
            }
        }
    }

    if (node)
        free(node);
    if (alias)
        free(alias);
    if (mode)
	free(mode);
    if (beeruuid)
        free(beeruuid);
    if (beercode)
        free(beercode);
    if (beername)
        free(beername);
}



void ispindel_set(char *node, char *payload)
{
    sys_ispindel_list	*ispindel, *tmpp;
    struct json_object  *jobj, *metric, *val;
    bool		new_ispindel = true, report = false;
    char		*datetime, buf[65], *line, *logfile;
    struct tm           *mytime;
    time_t              timestamp;
    FILE		*fp;

    // syslog(LOG_NOTICE, "ispindel_set: %s %s", node, payload);

    /*
     * Search ispindel record in the memory array and use it if found.
     */
    if (ispindels) {
	for (tmpp = ispindels; tmpp; tmpp = tmpp->next) {
	    if (strcmp(tmpp->node, node) == 0) {
		new_ispindel = false;
		ispindel = tmpp;
		break;
	    }
	}
    }

//    if (debug)
//    	printf("new_ispindel %s\n", new_ispindel ? "true":"false");

    /*
     * Allocate new ispindel if not yet known.
     */
    if (new_ispindel) {
	ispindel = (sys_ispindel_list *)malloc(sizeof(sys_ispindel_list));
	memset(ispindel, 0, sizeof(sys_ispindel_list));
	ispindel->node = xstrcpy(node);
	ispindel->mode = xstrcpy((char *)"OFF");
    }

    if (! ispindel->online) {
    	ispindel->online = true;
	report = true;
    	syslog(LOG_NOTICE, "Online ispindel %s mode %s", node, ispindel->mode);
    }

    /*
     * Process the JSON formatted payload.
     * Update only the fields that are found in the payload.
     */
    jobj = json_tokener_parse(payload);

    if (json_object_object_get_ex(jobj, "unit", &metric)) {
	if (json_object_object_get_ex(metric, "uuid", &val)) {
            if (ispindel->uuid)
                free(ispindel->uuid);
            ispindel->uuid = xstrcpy((char *)json_object_get_string(val));
        }
	if (json_object_object_get_ex(metric, "alias", &val)) {
            if (ispindel->alias)
                free(ispindel->alias);
            ispindel->alias = xstrcpy((char *)json_object_get_string(val));
        }
	if (json_object_object_get_ex(metric, "alarm", &val))
            ispindel->alarm = json_object_get_int(val);
	if (json_object_object_get_ex(metric, "interval", &val))
            ispindel->interval = json_object_get_int(val);
	if (json_object_object_get_ex(metric, "angle", &val))
            ispindel->angle = json_object_get_double(val);
	if (json_object_object_get_ex(metric, "temperature", &val))
            ispindel->temperature = json_object_get_double(val);
	if (json_object_object_get_ex(metric, "battery", &val))
            ispindel->battery = json_object_get_double(val);
	if (json_object_object_get_ex(metric, "gravity", &val)) {
            ispindel->gravity = json_object_get_double(val);
	    if (ispindel->gravity > ispindel->og_gravity)
		ispindel->og_gravity = ispindel->gravity;
        }
    }

//    ispindel_dump(ispindel);


    if (new_ispindel) {
    	if (ispindels == NULL) {
	    ispindels = ispindel;
	} else {
	    for (tmpp = ispindels; tmpp; tmpp = tmpp->next) {
		if (tmpp->next == NULL) {
		    tmpp->next = ispindel;
		    break;
		}
	    }
	}
	ispindel_mysql_insert(ispindel);
    } else {
	ispindel_mysql_update(ispindel);
    }
    ispindel_ws_send(ispindel);
    if (report)
	status_change();

    /*
     * The data is complete, see if we can write a log entry.
     */
    if (ispindel->beercode && strlen(ispindel->beercode) && ispindel->beername && strlen(ispindel->beername) &&
	ispindel->online && (strcmp(ispindel->mode, (char *)"ON") == 0)) {
	datetime = malloc(72);
	timestamp = time(NULL);
	mytime = localtime(&timestamp);
    	snprintf(datetime, 72, "%04d-%02d-%02d %02d:%02d:%02d",
        	mytime->tm_year + 1900, mytime->tm_mon + 1, mytime->tm_mday, mytime->tm_hour, mytime->tm_min, mytime->tm_sec);

	line = xstrcpy(datetime);
    	line = xstrcat(line, (char *)",");
	snprintf(buf, 64, "%.4f", ispindel->temperature);
        line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
	snprintf(buf, 64, "%.5f", ispindel->gravity);
        line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
	snprintf(buf, 64, "%.5f", 1.00001 + (0.0038661 * ispindel->gravity) + (1.3488e-5 * ispindel->gravity * ispindel->gravity) +
			(4.3074e-8 * ispindel->gravity * ispindel->gravity * ispindel->gravity));
	line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
        snprintf(buf, 64, "%.6f", ispindel->battery);
        line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
        snprintf(buf, 64, "%.5f", ispindel->angle);
        line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
	snprintf(buf, 64, "%d", ispindel->interval);
        line = xstrcat(line, buf);
        line = xstrcat(line, (char *)",");
	line = xstrcat(line, ispindel->uuid);

	/*
	 * Build logfile name
	 */
	logfile = xstrcpy(Config.web_root);
	logfile = xstrcat(logfile, (char *)"/log/ispindel/");
	logfile = xstrcat(logfile, ispindel->beercode);
	logfile = xstrcat(logfile, (char *)" ");
	logfile = xstrcat(logfile, ispindel->beername);
	logfile = xstrcat(logfile, (char *)".log");

	fp = fopen(logfile, "a");
	if (fp) {
	    fprintf(fp, "%s\n", line);
	    fclose(fp);
	} else {
	    syslog(LOG_NOTICE, "cannot append to `%s'", logfile);
	}

	free(logfile);
	logfile = NULL;
	free(line);
	line = NULL;
	free(datetime);
	datetime = NULL;
    }
}



/*
 * Process iSpindel MQTT message.
 */
void ispindel_birth_data(char *topic, char *payload)
{
    char		*message_type, *edge_node;

    strtok(topic, "/"); // ignore namespace
    strtok(NULL, "/");
    message_type = strtok(NULL, "/");
    edge_node = strtok(NULL, "/\0");

    if (strcmp("DBIRTH", message_type) == 0) {
	ispindel_set(edge_node, payload);
    }
}



void ispindel_dump(sys_ispindel_list *ispindel)
{
    if (debug) {
    	printf("node/alias  %s / %s\n", ispindel->node, ispindel->alias);
	printf("uuid        %s\n", ispindel->uuid);
	printf("online      %s\n", ispindel->online ? "yes":"no");
	printf("mode        %s\n", ispindel->mode);
	printf("product     %s / %s\n", ispindel->beercode, ispindel->beername);
        printf("tilt        %.5f\n", ispindel->angle);
	printf("temperature %.4f\n", ispindel->temperature);
	printf("battery     %.6f\n", ispindel->battery);
	printf("gravity     %.5f\n", ispindel->gravity);
	printf("interval    %d\n", ispindel->interval);
	printf("og_gravity  %.5f\n", ispindel->og_gravity);
    }
}

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