--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bmsd/ispindels.c Fri Dec 13 16:49:50 2019 +0100
@@ -0,0 +1,320 @@
+/**
+ * @file ispindels.c
+ * @brief Handle ispindels status
+ * @author Michiel Broek <mbroek at mbse dot eu>
+ *
+ * Copyright (C) 2019
+ *
+ * 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"
+
+
+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_set(char *node, char *key, char *payload)
+{
+ sys_ispindel_list *ispindel, *tmpp;
+ bool new_ispindel = true, do_update = false;
+ char *t, *p;
+ float temperature = 20;
+ uint8_t temp_units = 'C';
+
+ fprintf(stdout, "ispindel_set: %s %s\n", 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;
+ }
+ }
+ }
+
+ 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);
+ }
+
+ if (! ispindel->online) {
+ ispindel->online = true;
+ syslog(LOG_NOTICE, "Online ispindel %s", node);
+ }
+
+ /*
+ * Process the simple iSpindel MQTT payload.
+ */
+ if (strcmp(key, "tilt") == 0) {
+ ispindel->tilt = atof(payload);
+ } else if (strcmp(key, "temperature") == 0) {
+ temperature = atof(payload);
+ } else if (strcmp(key, "temp_units") == 0) {
+ temp_units = payload[0];
+ } else if (strcmp(key, "battery") == 0) {
+ ispindel->battery = atof(payload);
+ } else if (strcmp(key, "gravity") == 0) {
+ ispindel->gravity = atof(payload);
+ } else if (strcmp(key, "interval") == 0) {
+ ispindel->interval = atoi(payload);
+ } else if (strcmp(key, "RSSI") == 0) {
+ ispindel->rssi = atoi(payload);
+ do_update = true;
+ if (temp_units == 'C') {
+ ispindel->temperature = temperature;
+ } else if (temp_units == 'F') {
+ ispindel->temperature = temperature / 1.8 - 32;
+ } else if (temp_units == 'K') {
+ ispindel->temperature = temperature - 273.15;
+ } else {
+ ispindel->temperature = temperature;
+ }
+ } else {
+ syslog(LOG_NOTICE, "Unknown keyword `%s' from `%s'", key, node);
+ }
+
+ ispindel_dump(ispindel);
+
+ if (new_ispindel || do_update) {
+ char buf[21];
+
+ t = xstrcpy((char *)"mbv1.0/ispindels/NBIRTH/");
+ t = xstrcat(t, node);
+
+ p = xstrcpy((char *)"{\"metric\":{\"properties\":{\"hardwaremake\":\"MBSE\",\"hardwaremodel\":\"Wemos D1 mini\"},\"net\":{\"rssi\":");
+ sprintf(buf, "%d", ispindel->rssi);
+ p = xstrcat(p, buf);
+ p = xstrcat(p, (char *)"}}}");
+ node_birth_data(t, p);
+ free(t);
+ free(p);
+ }
+
+ 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 if (do_update) {
+ ispindel_mysql_update(ispindel);
+ }
+}
+
+
+
+/*
+ * Process iSpindel MQTT message.
+ */
+void ispindel_mqtt(char *topic, char *payload)
+{
+ char *namespace, *node, *keyword;
+
+ namespace = strtok(topic, "/"); // must be ispindel
+ node = strtok(NULL, "/");
+ keyword = strtok(NULL, "/\0");
+
+ if (strcmp(namespace, "ispindels")) {
+ syslog(LOG_NOTICE, "ispindel_mqtt(%s, %s) error", topic, payload);
+ return;
+ }
+
+ ispindel_set(node, keyword, payload);
+}
+
+
+
+void ispindel_log(char *topic, char *payload)
+{
+ char *edge_node, *alias, *line, buf[128], *logfile;
+ struct json_object *jobj, *val, *metric;
+ co2pressure_log *log;
+ struct tm *mytime;
+ time_t timestamp;
+ FILE *fp;
+
+ strtok(topic, "/"); // ignore namespace
+ strtok(NULL, "/"); // group_id
+ strtok(NULL, "/"); // message_type
+ edge_node = strtok(NULL, "/\0");
+ alias = strtok(NULL, "/\0");
+
+ log = (co2pressure_log *)malloc(sizeof(co2pressure_log));
+ memset(log, 0, sizeof(co2pressure_log));
+
+ log->node = xstrcpy(edge_node);
+ log->alias = xstrcpy(alias);
+ jobj = json_tokener_parse(payload);
+
+ timestamp = time(NULL);
+ log->datetime = malloc(73);
+ mytime = localtime(×tamp);
+ snprintf(log->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);
+
+ if (json_object_object_get_ex(jobj, "metric", &metric)) {
+ if (json_object_object_get_ex(metric, "uuid", &val)) {
+ if (strcmp((char *)"(null)", json_object_get_string(val)))
+ log->uuid = xstrcpy((char *)json_object_get_string(val));
+ }
+ if (json_object_object_get_ex(metric, "temperature", &val)) {
+ log->temperature = json_object_get_double(val);
+ }
+ if (json_object_object_get_ex(metric, "pressure", &val)) {
+ log->pressure = json_object_get_double(val);
+ }
+ }
+ json_object_put(jobj);
+
+ /*
+ * Because ispindels are not so smart and don't hold product information
+ * search the missing pieces in the database.
+ */
+ snprintf(buf, 127, "SELECT beercode,beername,beeruuid FROM mon_ispindels WHERE uuid='%s'", log->uuid);
+ if (mysql_query(con, buf)) {
+ syslog(LOG_NOTICE, "MySQL: %s error %u (%s))", buf, mysql_errno(con), mysql_error(con));
+ } else {
+ res_set = mysql_store_result(con);
+ if (res_set == NULL) {
+ syslog(LOG_NOTICE, "MySQL: mysq_store_result error %u (%s))", mysql_errno(con), mysql_error(con));
+ } else {
+ if ((row = mysql_fetch_row(res_set)) != NULL) {
+ /*
+ * Ignore when the beer_name or beer_code is not set.
+ */
+ if ((int)strlen(row[0]) == 0 || (int)strlen(row[1]) == 0) {
+ if (log->datetime)
+ free(log->datetime);
+ if (log->uuid)
+ free(log->uuid);
+ if (log->node)
+ free(log->node);
+ if (log->alias)
+ free(log->alias);
+ free(log);
+ return;
+ }
+ log->product_code = xstrcpy(row[0]);
+ log->product_name = xstrcpy(row[1]);
+ log->product_uuid = xstrcpy(row[2]);
+ }
+ }
+ }
+
+ /*
+ * Build csv log line
+ */
+ line = xstrcpy(log->datetime);
+ line = xstrcat(line, (char *)",");
+ snprintf(buf, 64, "%.3f", log->temperature);
+ line = xstrcat(line, buf);
+ line = xstrcat(line, (char *)",");
+ snprintf(buf, 64, "%.3f", log->pressure);
+ line = xstrcat(line, buf);
+ line = xstrcat(line, (char *)",");
+ line = xstrcat(line, log->uuid);
+
+ /*
+ * Build logfile name
+ */
+ logfile = xstrcpy(Config.web_root);
+ logfile = xstrcat(logfile, (char *)"/log/co2pressure/");
+ logfile = xstrcat(logfile, log->product_code);
+ logfile = xstrcat(logfile, (char *)" ");
+ logfile = xstrcat(logfile, log->product_name);
+ logfile = xstrcat(logfile, (char *)".log");
+
+ if (debug)
+ fprintf(stdout, "%s %s\n", logfile, line);
+
+ 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;
+
+ if (log->datetime)
+ free(log->datetime);
+ if (log->product_uuid )
+ free(log->product_uuid );
+ if (log->product_code )
+ free(log->product_code );
+ if (log->product_name )
+ free(log->product_name );
+ if (log->uuid)
+ free(log->uuid);
+ if (log->node)
+ free(log->node);
+ if (log->alias)
+ free(log->alias);
+ free(log);
+}
+
+
+
+void ispindel_dump(sys_ispindel_list *ispindel)
+{
+ if (debug) {
+ printf("node %s\n", ispindel->node);
+ printf("online %s\n", ispindel->online ? "yes":"no");
+ printf("product %s / %s\n", ispindel->beercode, ispindel->beername);
+ printf("tilt %.3f\n", ispindel->tilt);
+ printf("temperature %.3f\n", ispindel->temperature);
+ printf("battery %.3f\n", ispindel->battery);
+ printf("gravity %.3f\n", ispindel->gravity);
+ printf("interval %d\n", ispindel->interval);
+ printf("rssi %d\n", ispindel->rssi);
+ }
+}
+
+