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RscpMqttMain.cpp
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#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#ifdef INFLUXDB
#include <curl/curl.h>
#endif
#include "RscpProtocol.h"
#include "RscpTags.h"
#include "RscpTagsOverview.h"
#include "RscpMqttMapping.h"
#include "RscpMqttConfig.h"
#include "SocketConnection.h"
#include "AES.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <signal.h>
#include <mosquitto.h>
#include <thread>
#include <regex>
#include <mutex>
#define RSCP2MQTT_VERSION "3.35"
#define AES_KEY_SIZE 32
#define AES_BLOCK_SIZE 32
#define E3DC_FOUNDED 2010
#define CONFIG_FILE ".config"
#define DEFAULT_INTERVAL_MIN 1
#define DEFAULT_INTERVAL_MAX 300
#define IDLE_PERIOD_CACHE_SIZE 14
#define DEFAULT_PREFIX "e3dc"
#define SUBSCRIBE_TOPIC "set/#"
#define RECURSION_MAX_LEVEL 7
#define MQTT_PORT_DEFAULT 1883
#ifdef INFLUXDB
#define RSCP2MQTT RSCP2MQTT_VERSION".influxdb"
#define INFLUXDB_PORT_DEFAULT 8086
#define CURL_BUFFER_SIZE 65536
#else
#define RSCP2MQTT RSCP2MQTT_VERSION
#endif
#define CHARGE_LOCK_TRUE "today:charge:true:00:00-23:59"
#define CHARGE_LOCK_FALSE "today:charge:false:00:00-23:59"
#define DISCHARGE_LOCK_TRUE "today:discharge:true:00:00-23:59"
#define DISCHARGE_LOCK_FALSE "today:discharge:false:00:00-23:59"
#define PV_SOLAR_MIN 200
#define MAX_DAYS_PER_ITERATION 12
#define DELAY_BEFORE_RECONNECT 10
static int iSocket = -1;
static int iAuthenticated = 0;
static AES aesEncrypter;
static AES aesDecrypter;
static uint8_t ucEncryptionIV[AES_BLOCK_SIZE];
static uint8_t ucDecryptionIV[AES_BLOCK_SIZE];
static struct mosquitto *mosq = NULL;
static time_t e3dc_ts = 0;
static time_t e3dc_diff = 0;
static int gmt_diff = 0;
static config_t cfg;
static wb_t wb_stat;
static int day, leap_day, year, curr_day, curr_year, battery_nr, pm_nr, wb_nr;
static uint8_t period_change_nr = 0;
static bool period_trigger = false;
static bool day_end = false;
static bool new_day = false;
std::mutex mtx;
static bool mqttRcvd = false;
static bool go = true;
static bool tags_added = false;
#ifdef INFLUXDB
CURL *curl = NULL;
struct curl_slist *headers = NULL;
#endif
void logMessage(char *file, char *srcfile, int line, char *format, ...);
void logMessageCache(char *file, bool clear);
void signal_handler(int sig) {
if (sig == SIGINT) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Program exits by signal SIGINT\n");
else if (sig == SIGTERM) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Program exits by signal SIGTERM\n");
else logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Program exits by signal >%d<\n", sig);
go = false;
}
void wsleep(double seconds) {
while (seconds > 0.0) {
mtx.lock();
if (mqttRcvd || !go) {
mtx.unlock();
return;
}
mtx.unlock();
if (seconds >= 1.0) {
sleep(1);
} else {
useconds_t usec = (useconds_t)(seconds * 1e6);
if (usec > 0) usleep(usec);
}
seconds = seconds - 1.0;
}
return;
}
bool hasSpaces(char *s) {
for (size_t i = 0; i < strlen(s); i++) {
if (isspace(s[i])) return(true);
}
return(false);
}
char *tagName(std::vector<RSCP_TAGS::tag_overview_t> & v, uint32_t tag) {
for (std::vector<RSCP_TAGS::tag_overview_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (it->tag == tag) {
return(it->name);
}
}
return(NULL);
}
uint32_t tagID(std::vector<RSCP_TAGS::tag_overview_t> & v, char *name) {
for (std::vector<RSCP_TAGS::tag_overview_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (!strcmp(it->name, name)) {
return(it->tag);
}
}
return(0);
}
bool isTag(std::vector<RSCP_TAGS::tag_overview_t> & v, char *name, bool must_be_request_tag) {
for (std::vector<RSCP_TAGS::tag_overview_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (!strcmp(it->name, name) && (!must_be_request_tag || (must_be_request_tag && it->request))) {
return(true);
}
}
return(false);
}
char *typeName(std::vector<RSCP_TAGS::rscp_types_t> & v, uint8_t code) {
for (std::vector<RSCP_TAGS::rscp_types_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (it->code == code) {
return(it->type);
}
}
return(NULL);
}
uint8_t typeID(std::vector<RSCP_TAGS::rscp_types_t> & v, char *type) {
for (std::vector<RSCP_TAGS::rscp_types_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (!strcmp(it->type, type)) {
return(it->code);
}
}
return(0);
}
char *errName(std::vector<RSCP_TAGS::rscp_err_codes_t> & v, uint32_t code) {
char *unknown = NULL;
for (std::vector<RSCP_TAGS::rscp_err_codes_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (!it->code) unknown = it->error;
if (it->code == code) {
return(it->error);
}
}
return(unknown);
}
int storeMQTTReceivedValue(std::vector<RSCP_MQTT::rec_cache_t> & c, char *topic_in, char *payload) {
char topic[TOPIC_SIZE];
mtx.lock();
mqttRcvd = true;
snprintf(topic, TOPIC_SIZE, "%s/set/up", cfg.prefix);
if (cfg.store_setup && !strncmp(topic_in, topic, strlen(topic))) {
char *t = strdup(topic_in);
char *p = strdup(payload);
RSCP_MQTT::mqttQ.push({t, p});
} else {
for (std::vector<RSCP_MQTT::rec_cache_t>::iterator it = c.begin(); it != c.end(); ++it) {
snprintf(topic, TOPIC_SIZE, "%s/%s", cfg.prefix, it->topic);
if (!strcmp(topic, topic_in) && it->done) {
//logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"MQTT: received topic >%s< payload >%s<\n", it->topic, payload);
if (std::regex_match(payload, std::regex(it->regex_true))) {
if (strcmp(it->value_true, "")) strncpy(it->payload, it->value_true, PAYLOAD_SIZE);
else strncpy(it->payload, payload, PAYLOAD_SIZE);
if (it->queue) {
if (!strcmp(it->topic, "set/request/day")) {
int year, month, day;
if (sscanf(it->payload, "%d-%d-%d", &year, &month, &day)) {
RSCP_MQTT::requestQ.push({day, month, year});
}
}
} else it->done = false;
break;
} else if (std::regex_match(payload, std::regex(it->regex_false))) {
if (strcmp(it->value_false, "")) strncpy(it->payload, it->value_false, PAYLOAD_SIZE);
else strncpy(it->payload, payload, PAYLOAD_SIZE);
it->done = false;
break;
} else {
it->done = true;
break;
}
}
}
}
mtx.unlock();
return(0);
}
// topic: <prefix>/set/power_mode payload: auto / idle:60 (cycles) / discharge:2000:60 (Watt:cycles) / charge:2000:60 (Watt:cycles) / grid_charge:2000:60 (Watt:cycles)
int handleSetPower(std::vector<RSCP_MQTT::rec_cache_t> & c, uint32_t container, char *payload) {
char cycles[12];
char cmd[12];
char power[12];
char modus[2];
time_t now;
time(&now);
if (!strcmp(payload, "auto")) {
strcpy(cycles, "0");
strcpy(modus, "0");
strcpy(power, "0");
} else if ((sscanf(payload, "%12[^:]:%12[^:]", cmd, cycles) == 2) && (!strcmp(cmd, "idle"))) {
strcpy(modus, "1");
strcpy(power, "0");
} else if (sscanf(payload, "%12[^:]:%12[^:]:%12[^:]", cmd, power, cycles) == 3) {
if (!strcmp(cmd, "discharge")) strcpy(modus, "2");
else if (!strcmp(cmd, "charge")) strcpy(modus, "3");
else strcpy(modus, "4");
} else return(0);
for (std::vector<RSCP_MQTT::rec_cache_t>::iterator it = c.begin(); it != c.end(); ++it) {
if (it->container == container) {
switch (it->tag) {
case TAG_EMS_REQ_SET_POWER_MODE: {
strcpy(it->payload, modus);
it->refresh_until = abs(atoi(cycles)) * cfg.interval + now;
break;
}
case TAG_EMS_REQ_SET_POWER_VALUE: {
strcpy(it->payload, power);
it->refresh_until = abs(atoi(cycles)) * cfg.interval + now;
break;
}
}
}
}
return(0);
}
int handleSetIdlePeriod(RscpProtocol *protocol, SRscpValue *rootContainer, char *payload) {
int day, starthour, startminute, endhour, endminute;
char daystring[12];
char typestring[12];
char activestring[12];
memset(daystring, 0, sizeof(daystring));
memset(typestring, 0, sizeof(typestring));
memset(activestring, 0, sizeof(activestring));
if (sscanf(payload, "%12[^:]:%12[^:]:%12[^:]:%d:%d-%d:%d", daystring, typestring, activestring, &starthour, &startminute, &endhour, &endminute) != 7) {
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"handleSetIdlePeriod: payload=>%s< not enough attributes.\n", payload);
return(1);
}
for (day = 0; day < 8; day++) {
if (!strcmp(RSCP_MQTT::days[day].c_str(), daystring)) break;
}
if (day == 7) { // today
time_t rawtime;
time(&rawtime);
struct tm *l = localtime(&rawtime);
day = l->tm_wday?(l->tm_wday-1):6;
}
if (starthour*60+startminute >= endhour*60+endminute) {
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"handleSetIdlePeriod: payload=>%s< time range %02d:%02d-%02d:%02d not allowed.\n", payload, starthour, startminute, endhour, endminute);
return(1);
}
SRscpValue setTimeContainer;
protocol->createContainerValue(&setTimeContainer, TAG_EMS_REQ_SET_IDLE_PERIODS);
SRscpValue setDayContainer;
protocol->createContainerValue(&setDayContainer, TAG_EMS_IDLE_PERIOD);
protocol->appendValue(&setDayContainer, TAG_EMS_IDLE_PERIOD_TYPE, (uint8_t)strcmp(typestring, "discharge")?0:1); // 0 = charge 1 = discharge
protocol->appendValue(&setDayContainer, TAG_EMS_IDLE_PERIOD_DAY, (uint8_t)day); // 0 = Monday -> 6 = Sunday
protocol->appendValue(&setDayContainer, TAG_EMS_IDLE_PERIOD_ACTIVE, strcmp(activestring, "true")?false:true);
SRscpValue setStartContainer;
protocol->createContainerValue(&setStartContainer, TAG_EMS_IDLE_PERIOD_START);
protocol->appendValue(&setStartContainer, TAG_EMS_IDLE_PERIOD_HOUR, (uint8_t)starthour);
protocol->appendValue(&setStartContainer, TAG_EMS_IDLE_PERIOD_MINUTE, (uint8_t)startminute);
protocol->appendValue(&setDayContainer, setStartContainer);
protocol->destroyValueData(setStartContainer);
SRscpValue setStopContainer;
protocol->createContainerValue(&setStopContainer, TAG_EMS_IDLE_PERIOD_END);
protocol->appendValue(&setStopContainer, TAG_EMS_IDLE_PERIOD_HOUR, (uint8_t)endhour);
protocol->appendValue(&setStopContainer, TAG_EMS_IDLE_PERIOD_MINUTE, (uint8_t)endminute);
protocol->appendValue(&setDayContainer, setStopContainer);
protocol->destroyValueData(setStopContainer);
protocol->appendValue(&setTimeContainer, setDayContainer);
protocol->destroyValueData(setDayContainer);
protocol->appendValue(rootContainer, setTimeContainer);
protocol->destroyValueData(setTimeContainer);
return(0);
}
void setTopicAttr() {
for (std::vector<RSCP_MQTT::topic_store_t>::iterator i = RSCP_MQTT::TopicStore.begin(); i != RSCP_MQTT::TopicStore.end(); ++i) {
switch (i->type) {
case FORCED_TOPIC: {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCache.begin(); it != RSCP_MQTT::RscpMqttCache.end(); ++it) {
if (std::regex_match(it->topic, std::regex(i->topic))) it->forced = true;
}
break;
}
case LOG_TOPIC: {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCache.begin(); it != RSCP_MQTT::RscpMqttCache.end(); ++it) {
if (std::regex_match(it->topic, std::regex(i->topic))) it->history_log = true;
}
break;
}
#ifdef INFLUXDB
case INFLUXDB_TOPIC: {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCache.begin(); it != RSCP_MQTT::RscpMqttCache.end(); ++it) {
if (std::regex_match(it->topic, std::regex(i->topic))) it->influx = true;
}
break;
}
#endif
}
}
return;
}
void addTemplTopicsIdx(int index, char *seg, int start, int n, int inc, bool finalize) {
for (int c = start; c < n; c++) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCacheTempl.begin(); it != RSCP_MQTT::RscpMqttCacheTempl.end(); ++it) {
if (it->index == index) {
RSCP_MQTT::cache_t cache = { it->container, it->tag, index + c, "", "", it->format, "", it->divisor, it->bit_to_bool, it->history_log, it->handled, it->changed, it->influx, it->forced };
if (n == 1) {
snprintf(cache.topic, TOPIC_SIZE, it->topic, seg);
} else if (seg == NULL) {
snprintf(cache.topic, TOPIC_SIZE, it->topic, c + inc);
} else {
char buffer[TOPIC_SIZE];
snprintf(buffer, TOPIC_SIZE, "%s/%d", seg, c + inc);
snprintf(cache.topic, TOPIC_SIZE, it->topic, buffer);
}
strcpy(cache.unit, it->unit);
RSCP_MQTT::RscpMqttCache.push_back(cache);
}
}
}
if (finalize) {
sort(RSCP_MQTT::RscpMqttCache.begin(), RSCP_MQTT::RscpMqttCache.end(), RSCP_MQTT::compareCache);
setTopicAttr();
}
return;
}
void addTemplTopics(uint32_t container, int index, char *seg, int start, int n, int inc, bool finalize) {
for (int c = start; c < n; c++) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCacheTempl.begin(); it != RSCP_MQTT::RscpMqttCacheTempl.end(); ++it) {
if (it->container == container) {
RSCP_MQTT::cache_t cache = { it->container, it->tag, c, "", "", it->format, "", it->divisor, it->bit_to_bool, it->history_log, it->handled, it->changed, it->influx, it->forced };
if (it->index > 1) cache.index = it->index + c * 10;
if ((seg == NULL) && (index == 0)) { // no args
cache.index = it->index;
strcpy(cache.topic, it->topic);
} else if ((seg == NULL) && (index == 1)) { // "%d"
snprintf(cache.topic, TOPIC_SIZE, it->topic, c + inc);
} else if ((seg != NULL) && (index == 0)) { // "%s"
snprintf(cache.topic, TOPIC_SIZE, it->topic, seg);
} else { // "%s" with "%s/%d"
char buffer[TOPIC_SIZE];
snprintf(buffer, TOPIC_SIZE, "%s/%d", seg, c + inc);
snprintf(cache.topic, TOPIC_SIZE, it->topic, buffer);
}
strcpy(cache.unit, it->unit);
RSCP_MQTT::RscpMqttCache.push_back(cache);
}
}
}
if (finalize) {
sort(RSCP_MQTT::RscpMqttCache.begin(), RSCP_MQTT::RscpMqttCache.end(), RSCP_MQTT::compareCache);
setTopicAttr();
}
return;
}
void addTopic(uint32_t container, uint32_t tag, char *topic, char *unit, int format, int divisor, int bit_to_bool, bool finalize) {
RSCP_MQTT::cache_t cache = { container, tag, 0, "", "", format, "", divisor, bit_to_bool, false, false, false, false, false };
strcpy(cache.topic, topic);
strcpy(cache.unit, unit);
RSCP_MQTT::RscpMqttCache.push_back(cache);
if (finalize) {
sort(RSCP_MQTT::RscpMqttCache.begin(), RSCP_MQTT::RscpMqttCache.end(), RSCP_MQTT::compareCache);
setTopicAttr();
}
return;
}
void addSetTopic(uint32_t container, uint32_t tag, int index, char *topic, char *regex_true, char *value_true, char *regex_false, char *value_false, int type, bool finalize) {
RSCP_MQTT::rec_cache_t cache = { container, tag, index, "", "", "1", "", "0", "", UNIT_NONE, type, 0, false, true };
strcpy(cache.topic, topic);
strcpy(cache.regex_true, regex_true);
strcpy(cache.value_true, value_true);
strcpy(cache.regex_false, regex_false);
strcpy(cache.value_false, value_false);
RSCP_MQTT::RscpMqttReceiveCache.push_back(cache);
if (finalize) sort(RSCP_MQTT::RscpMqttReceiveCache.begin(), RSCP_MQTT::RscpMqttReceiveCache.end(), RSCP_MQTT::compareRecCache);
return;
}
void mqttCallbackOnConnect(struct mosquitto *mosq, void *obj, int result) {
char topic[TOPIC_SIZE];
snprintf(topic, TOPIC_SIZE, "%s/%s", cfg.prefix, SUBSCRIBE_TOPIC);
if (!result) {
mosquitto_subscribe(mosq, NULL, topic, cfg.mqtt_qos);
} else {
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Error: subscribing topic >%s< failed\n", topic);
}
return;
}
int mqttCallbackTlsPassword(char *buf, int size, int rwflag, void *userdata) {
int len = strlen(cfg.mqtt_tls_password);
if (len >= size) return 0;
strcpy(buf, cfg.mqtt_tls_password);
return(len);
}
void mqttCallbackOnMessage(struct mosquitto *mosq, void *obj, const struct mosquitto_message *msg) {
if (mosq && msg && msg->topic && msg->payloadlen) {
storeMQTTReceivedValue(RSCP_MQTT::RscpMqttReceiveCache, msg->topic, (char *)msg->payload);
}
return;
}
void mqttListener(struct mosquitto *m) {
if (m) {
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"MQTT: starting listener loop\n");
mosquitto_loop_forever(m, -1, 1);
}
return;
}
#ifdef INFLUXDB
void insertInfluxDb(char *buffer) {
CURLcode res = CURLE_OK;
if (strlen(buffer)) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, buffer);
res = curl_easy_perform(curl);
if (res != CURLE_OK) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"InfluxDB: %s\n", curl_easy_strerror(res));
}
return;
}
void handleInfluxDb(char *buffer, char *topic, char *payload, char *unit, char *timestamp) {
char line[CURL_BUFFER_SIZE];
if (topic == NULL) {
insertInfluxDb(buffer);
return;
}
if (!strcmp(payload, "true")) sprintf(line, "%s,topic=%s value=1", cfg.influxdb_measurement, topic);
else if (!strcmp(payload, "false")) sprintf(line, "%s,topic=%s value=0", cfg.influxdb_measurement, topic);
else if (std::regex_match(payload, std::regex("[+-]?([0-9]*[.]?[0-9]+)"))) {
if (unit && strcmp(unit, "") && timestamp) sprintf(line, "%s,topic=%s,unit=%s value=%s %s", cfg.influxdb_measurement, topic, unit, payload, timestamp);
else if (unit && !strcmp(unit, "") && timestamp) sprintf(line, "%s,topic=%s value=%s %s", cfg.influxdb_measurement, topic, payload, timestamp);
else if (unit && strcmp(unit, "")) sprintf(line, "%s,topic=%s,unit=%s value=%s", cfg.influxdb_measurement, topic, unit, payload);
else sprintf(line, "%s,topic=%s value=%s", cfg.influxdb_measurement, topic, payload);
} else {
sprintf(line, "%s,topic=%s value=\"%s\"", cfg.influxdb_measurement_meta, topic, payload);
}
if (strlen(buffer) + strlen(line) + 1 < CURL_BUFFER_SIZE) {
strcat(buffer, "\n");
strcat(buffer, line);
} else {
insertInfluxDb(buffer);
strcpy(buffer, "");
strcat(buffer, line);
}
return;
}
#endif
void publishImmediately(char *t, char *p, bool influx) {
char topic[TOPIC_SIZE];
snprintf(topic, TOPIC_SIZE, "%s/%s", cfg.prefix, t);
if (mosq && (mosquitto_pub_topic_check(topic) == MOSQ_ERR_SUCCESS) && p && strlen(p)) mosquitto_publish(mosq, NULL, topic, strlen(p), p, cfg.mqtt_qos, cfg.mqtt_retain);
#ifdef INFLUXDB
if (cfg.influxdb_on && curl && influx) {
char buffer[CURL_BUFFER_SIZE];
strcpy(buffer, "");
handleInfluxDb(buffer, topic, p, NULL, NULL);
handleInfluxDb(buffer, NULL, NULL, NULL, NULL);
}
#endif
return;
}
int handleMQTT(std::vector<RSCP_MQTT::cache_t> & v, int qos, bool retain) {
#ifdef INFLUXDB
char buffer[CURL_BUFFER_SIZE];
strcpy(buffer, "");
#endif
int rc = 0;
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
if ((it->changed || it->forced) && strcmp(it->topic, "") && strcmp(it->payload, "")) {
if (cfg.verbose) {
#ifdef INFLUXDB
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Publish topic >%s< payload >%s< unit >%s< mqtt:%s influx:%s\n", it->topic, it->payload, it->unit, cfg.mqtt_pub?"✓":"✗", (cfg.influxdb_on && it->influx)?"✓":"✗");
#else
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Publish topic >%s< payload >%s< unit >%s< mqtt:%s\n", it->topic, it->payload, it->unit, cfg.mqtt_pub?"✓":"✗");
#endif
}
if (it->history_log) logMessage(cfg.historyfile, (char *)__FILE__, __LINE__, (char *)"topic >%s< payload >%s< unit >%s<\n", it->topic, it->payload, it->unit);
if (cfg.mqtt_pub && mosq) rc = mosquitto_publish(mosq, NULL, it->topic, strlen(it->payload), it->payload, qos, retain);
#ifdef INFLUXDB
if (cfg.influxdb_on && curl && it->influx) handleInfluxDb(buffer, it->topic, it->payload, it->unit, NULL);
#endif
it->changed = false;
}
}
#ifdef INFLUXDB
if (cfg.influxdb_on && curl) handleInfluxDb(buffer, NULL, NULL, NULL, NULL);
#endif
return(rc);
}
int handleMQTTIdlePeriods(std::vector<RSCP_MQTT::idle_period_t> & v, int qos, bool retain) {
int rc = 0;
int i = 0;
char topic[TOPIC_SIZE];
char payload[PAYLOAD_SIZE];
RSCP_MQTT::idle_period_t e;
while (!v.empty()) {
e = v.back();
snprintf(topic, TOPIC_SIZE, "%s/idle_period/%d/%d", cfg.prefix, e.marker, ++i);
sprintf(payload, "%s:%s:%s:%02d:%02d-%02d:%02d", RSCP_MQTT::days[e.day].c_str(), e.type?"discharge":"charge", e.active?"true":"false", e.starthour, e.startminute, e.endhour, e.endminute);
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Publish topic >%s< payload >%s< mqtt:%s\n", topic, payload, cfg.mqtt_pub?"✓":"✗");
if (cfg.mqtt_pub && mosq) rc = mosquitto_publish(mosq, NULL, topic, strlen(payload), payload, qos, retain);
v.pop_back();
}
return(rc);
}
int handleMQTTErrorMessages(std::vector<RSCP_MQTT::error_t> & v, int qos, bool retain) {
int rc = 0;
int i = 0;
char topic[TOPIC_SIZE];
char payload[PAYLOAD_SIZE];
RSCP_MQTT::error_t e;
while (!v.empty()) {
e = v.back();
snprintf(topic, TOPIC_SIZE, "%s/error_message/%d/meta", cfg.prefix, ++i);
snprintf(payload, PAYLOAD_SIZE, "type=%d code=%d source=%s", e.type, e.code, e.source);
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Publish topic >%s< payload >%s< mqtt:%s\n", topic, payload, cfg.mqtt_pub?"✓":"✗");
if (cfg.mqtt_pub && mosq) rc = mosquitto_publish(mosq, NULL, topic, strlen(payload), payload, qos, retain);
snprintf(topic, TOPIC_SIZE, "%s/error_message/%d", cfg.prefix, i);
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Publish topic >%s< payload >%s< mqtt:%s\n", topic, e.message, cfg.mqtt_pub?"✓":"✗");
if (cfg.mqtt_pub && mosq) rc = mosquitto_publish(mosq, NULL, topic, strlen(e.message), e.message, qos, retain);
v.pop_back();
}
return(rc);
}
void storeSetupItem(uint32_t container, uint32_t tag, int index, int value) {
char topic[TOPIC_SIZE];
char payload[PAYLOAD_SIZE];
time_t rawtime;
time(&rawtime);
struct tm *l = localtime(&rawtime);
snprintf(topic, TOPIC_SIZE, "%s/set/up/0x%02X_0x%02X_0x%02X", cfg.prefix, container, tag, index);
snprintf(payload, PAYLOAD_SIZE, "%.4d%.2d%.2d:%d", l->tm_year + 1900, l->tm_mon + 1, l->tm_mday, value);
if (cfg.mqtt_pub && mosq) mosquitto_publish(mosq, NULL, topic, strlen(payload), payload, cfg.mqtt_qos, true);
return;
}
void setupItem(std::vector<RSCP_MQTT::cache_t> & v, char *topic_in, char* payload) {
char topic[TOPIC_SIZE];
char value[15];
char date[10];
char date_in[10];
time_t rawtime;
time(&rawtime);
struct tm *l = localtime(&rawtime);
if (snprintf(date, sizeof(date), "%.4d%.2d%.2d", l->tm_year + 1900, l->tm_mon + 1, l->tm_mday) >= sizeof(date)) {
logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"setupItem: Buffer overflow\n");
return;
}
if (sscanf(payload, "%9[^:]:%14[^:]", date_in, value) == 2) {
if (strcmp(date, date_in)) return;
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
snprintf(topic, TOPIC_SIZE, "%s/set/up/0x%02X_0x%02X_0x%02X", cfg.prefix, it->container, it->tag, it->index);
if (!strcmp(topic, topic_in) && std::regex_match(value, std::regex("[+-]?([0-9]*[.]?[0-9]+)"))) {
strcpy(it->payload, value);
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"Setup topic >%s< payload >%s< date >%s<\n", topic, value, date_in);
break;
}
}
}
return;
}
void logCache(std::vector<RSCP_MQTT::cache_t> & v, char *file) {
if (file) {
FILE *fp;
fp = fopen(file, "a");
if (!fp) return;
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
fprintf(fp, "container >%s< tag >%s< index >%d< topic >%s< payload >%s< unit >%s<%s\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), it->index, it->topic, it->payload, it->unit, (it->forced?" forced":""));
}
fflush(fp);
fclose(fp);
} else {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
printf("container >%s< tag >%s< index >%d< topic >%s< payload >%s< unit >%s<%s\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), it->index, it->topic, it->payload, it->unit, (it->forced?" forced":""));
}
fflush(NULL);
}
return;
}
void logRecCache(std::vector<RSCP_MQTT::rec_cache_t> & v, char *file) {
if (file) {
FILE *fp;
fp = fopen(file, "a");
if (!fp) return;
for (std::vector<RSCP_MQTT::rec_cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
fprintf(fp, "container >%s< tag >%s< index >%d< topic >%s< regex_true >%s< value_true >%s< regex_false >%s< value_false >%s< unit >%s< type >%s<\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), it->index, it->topic, it->regex_true, it->value_true, it->regex_false, it->value_false, it->unit, typeName(RSCP_TAGS::RscpTypeNames, it->type));
}
fflush(fp);
fclose(fp);
} else {
for (std::vector<RSCP_MQTT::rec_cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
printf("container >%s< tag >%s< index >%d< topic >%s< regex_true >%s< value_true >%s< regex_false >%s< value_false >%s< unit >%s< type >%s<\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), it->index, it->topic, it->regex_true, it->value_true, it->regex_false, it->value_false, it->unit, typeName(RSCP_TAGS::RscpTypeNames, it->type));
}
fflush(NULL);
}
return;
}
void logTopics(std::vector<RSCP_MQTT::cache_t> & v, char *file, bool check_payload) {
int total = 0;
int forced = 0;
int influx = 0;
int history_log = 0;
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (it->forced) { logMessage(file, (char *)__FILE__, __LINE__, (char *)"Topic >%s< forced\n", it->topic); forced++; }
if (it->influx) { logMessage(file, (char *)__FILE__, __LINE__, (char *)"Topic >%s< marked influx relevant\n", it->topic); influx++; }
if (it->history_log) { logMessage(file, (char *)__FILE__, __LINE__, (char *)"Topic >%s< marked for logging\n", it->topic); history_log++; }
if (check_payload && (!strcmp(it->payload, ""))) logMessage(file, (char *)__FILE__, __LINE__, (char *)"Topic >%s< unused? Payload is empty\n", it->topic);
total++;
}
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Number of topics >%d<\n", total);
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Number of topics with flag \"forced\" >%d<\n", forced);
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Number of topics with flag \"influx\" >%d<\n", influx);
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Number of topics with flag \"history_log\" >%d<\n", history_log);
return;
}
void logHealth(char *file) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"[%s] PVI %s | PM %s | DCB %s (%d) | Wallbox %s | Autorefresh %s | Raw data %s | Interval %d\n", RSCP2MQTT, cfg.pvi_requests?"✓":"✗", cfg.pm_requests?"✓":"✗", cfg.dcb_requests?"✓":"✗", cfg.battery_strings, cfg.wallbox?"✓":"✗", cfg.auto_refresh?"✓":"✗", cfg.raw_mode?"✓":"✗", cfg.interval);
for (uint8_t i = 0; i < cfg.pm_number; i++) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"PM_INDEX >%d<\n", cfg.pm_indexes[i]);
}
for (uint8_t i = 0; i < cfg.wb_number; i++) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"WB_INDEX >%d<\n", cfg.wb_indexes[i]);
}
logTopics(RSCP_MQTT::RscpMqttCache, file, true);
for (std::vector<RSCP_MQTT::additional_tags_t>::iterator it = RSCP_MQTT::AdditionalTags.begin(); it != RSCP_MQTT::AdditionalTags.end(); ++it) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Container >%s< Tag >%s< added (one shot: %s).\n", tagName(RSCP_TAGS::RscpTagsOverview, it->req_container), tagName(RSCP_TAGS::RscpTagsOverview, it->req_tag), it->one_shot?"true":"false");
}
for (std::vector<RSCP_MQTT::not_supported_tags_t>::iterator it = RSCP_MQTT::NotSupportedTags.begin(); it != RSCP_MQTT::NotSupportedTags.end(); ++it) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Container >%s< Tag >%s< not supported.\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag));
}
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCacheTempl.begin(); it != RSCP_MQTT::RscpMqttCacheTempl.end(); ++it) {
logMessage(file, (char *)__FILE__, __LINE__, (char *)"Container >%s< Tag >%s< in temporary cache.\n", tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag));
}
logMessageCache(file, false);
return;
}
void logMessage(char *file, char *srcfile, int line, char *format, ...) {
FILE * fp;
if (file) {
fp = fopen(file, "a");
if (!fp) return;
}
pid_t pid, ppid;
va_list args;
char timestamp[64];
time_t rawtime;
time(&rawtime);
struct tm *l = localtime(&rawtime);
strftime(timestamp, 26, "%Y-%m-%d %H:%M:%S", l);
pid = getpid();
ppid = getppid();
va_start(args, format);
if (file) {
fprintf(fp, "[%s] pid=%d ppid=%d %s(%d) ", timestamp, pid, ppid, srcfile, line);
vfprintf(fp, format, args);
fflush(fp);
fclose(fp);
} else {
printf("[%s] pid=%d ppid=%d %s(%d) ", timestamp, pid, ppid, srcfile, line);
vprintf(format, args);
fflush(NULL);
}
va_end(args);
return;
}
void copyCache(std::vector<RSCP_MQTT::cache_t> & to, std::vector<RSCP_MQTT::cache_t> & from, uint32_t container) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = from.begin(); it != from.end(); ++it) {
if (it->container == container) {
RSCP_MQTT::cache_t cache = { it->container, it->tag, it->index, "", "", it->format, "", it->divisor, it->bit_to_bool, it->history_log, it->handled, it->changed, it->influx, it->forced };
strcpy(cache.topic, it->topic);
strcpy(cache.payload, it->payload);
strcpy(cache.unit, it->unit);
to.push_back(cache);
}
}
return;
}
void cleanupCache(std::vector<RSCP_MQTT::cache_t> & v) {
std::vector<RSCP_MQTT::cache_t> TempCache({});
copyCache(TempCache, v, TAG_DB_HISTORY_DATA_YEAR);
copyCache(TempCache, v, TAG_DB_HISTORY_DATA_DAY);
RSCP_MQTT::RscpMqttCacheTempl.clear();
copyCache(v, TempCache, TAG_DB_HISTORY_DATA_DAY);
copyCache(v, TempCache, TAG_DB_HISTORY_DATA_YEAR);
return;
}
bool updMessageByTag(uint32_t container, uint32_t tag, int error, int type) {
for (std::vector<RSCP_MQTT::message_cache_t>::iterator it = RSCP_MQTT::MessageCache.begin(); it != RSCP_MQTT::MessageCache.end(); ++it) {
if ((it->container == container) && (it->tag == tag) && (it->type == type) && (it->error == error)) {
it->count += 1;
return(true);
}
}
return(false);
}
void logMessageByTag(uint32_t container, uint32_t tag, int error, int type, char *message) {
if (!cfg.log_level) return;
if (updMessageByTag(container, tag, error, type)) return;
RSCP_MQTT::message_cache_t v;
v.container = container;
v.tag = tag;
v.type = type;
v.error = error;
v.count = 1;
strcpy(v.message, message);
RSCP_MQTT::MessageCache.push_back(v);
if (cfg.log_level == 1) logMessageCache(cfg.logfile, true);
return;
}
void logMessageCache(char *file, bool clear) {
for (std::vector<RSCP_MQTT::message_cache_t>::iterator it = RSCP_MQTT::MessageCache.begin(); it != RSCP_MQTT::MessageCache.end(); ++it) {
if (it->count) {
if (it->container && it->tag && it->error) logMessage(file, (char *)__FILE__, it->type, it->message, tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), errName(RSCP_TAGS::RscpErrorOverview, it->error), it->count);
else if (!it->container && it->tag && it->error) logMessage(file, (char *)__FILE__, it->type, it->message, tagName(RSCP_TAGS::RscpTagsOverview, it->tag), errName(RSCP_TAGS::RscpErrorOverview, it->error), it->count);
else if (it->container && it->tag && !it->error) logMessage(file, (char *)__FILE__, it->type, it->message, tagName(RSCP_TAGS::RscpTagsOverview, it->container), tagName(RSCP_TAGS::RscpTagsOverview, it->tag), it->count);
else logMessage(file, (char *)__FILE__, it->type, it->message, it->count);
if (clear) it->count = 0;
}
}
return;
}
bool existsNotSupportedTag(uint32_t container, uint32_t tag) {
for (std::vector<RSCP_MQTT::not_supported_tags_t>::iterator it = RSCP_MQTT::NotSupportedTags.begin(); it != RSCP_MQTT::NotSupportedTags.end(); ++it) {
if ((it->container == container) && (it->tag == tag)) return(true);
}
return(false);
}
void pushNotSupportedTag(uint32_t container, uint32_t tag) {
if (existsNotSupportedTag(container, tag)) return;
RSCP_MQTT::not_supported_tags_t v;
v.container = container;
v.tag = tag;
RSCP_MQTT::NotSupportedTags.push_back(v);
return;
}
bool existsAdditionalTag(uint32_t container, uint32_t tag, int index, int order) {
for (std::vector<RSCP_MQTT::additional_tags_t>::iterator it = RSCP_MQTT::AdditionalTags.begin(); it != RSCP_MQTT::AdditionalTags.end(); ++it) {
if ((it->req_container == container) && (it->req_tag == tag) && (it->req_index == index) && (it->order == order)) return(true);
}
return(false);
}
void pushAdditionalTag(uint32_t req_container, uint32_t req_tag, int req_index, int order, bool one_shot) {
if (existsAdditionalTag(req_container, req_tag, req_index, order)) return;
RSCP_MQTT::additional_tags_t v;
v.req_container = req_container;
v.req_tag = req_tag;
v.req_index = req_index;
v.order = order;
v.one_shot = one_shot;
RSCP_MQTT::AdditionalTags.push_back(v);
tags_added = true;
return;
}
void initRawData() {
for (std::vector<RSCP_MQTT::raw_data_t>::iterator it = RSCP_MQTT::rawData.begin(); it != RSCP_MQTT::rawData.end(); ++it) {
it->handled = false;
it->changed = false;
}
return;
}
int mergeRawData(char *topic, char *payload, bool *changed) {
int i = 0;
if (topic && payload) {
for (std::vector<RSCP_MQTT::raw_data_t>::iterator it = RSCP_MQTT::rawData.begin(); it != RSCP_MQTT::rawData.end(); ++it) {
if (!strcmp(it->topic, topic) && !it->handled && (i == it->nr)) {
if (strcmp(it->payload, payload)) {
if (strlen(it->payload) != strlen(payload)) it->payload = (char *)realloc(it->payload, strlen(payload) + 1);
strcpy(it->payload, payload);
it->changed = true;
*changed = true;
}
it->handled = true;
return(i);
}
if (!strcmp(it->topic, topic) && it->handled) i++;
}
RSCP_MQTT::raw_data_t v;
v.topic = strdup(topic);
v.payload = strdup(payload);
v.handled = true;
v.changed = true;
v.nr = i;
RSCP_MQTT::rawData.push_back(v);
*changed = true;
}
return(i);
}
void refreshCache(std::vector<RSCP_MQTT::cache_t> & v, char *payload) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
if ((it->changed == false) && strcmp(it->payload, "") && (std::regex_match(it->topic, std::regex(payload)) || std::regex_match(payload, std::regex("^true|on|1$")))) it->changed = true;
}
if (std::regex_match(payload, std::regex("^true|on|1$")) || std::regex_match(payload, std::regex(".*(idle|period).*"))) period_trigger = true;
return;
}
void addPrefix(std::vector<RSCP_MQTT::cache_t> & v, char *prefix) {
char topic[TOPIC_SIZE];
if (prefix) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
snprintf(topic, TOPIC_SIZE, "%s/%s", cfg.prefix, it->topic);
strcpy(it->topic, topic);
}
}
return;
}
// Issue #9
void correctExternalPM(std::vector<RSCP_MQTT::cache_t> & v, int pm, char *unit, int divisor) {
for (std::vector<RSCP_MQTT::cache_t>::iterator it = v.begin(); it != v.end(); ++it) {
if (((pm == 0) && (it->tag == TAG_DB_PM_0_POWER)) || ((pm == 1) && (it->tag == TAG_DB_PM_1_POWER))) {
if (unit && (!strcmp(unit, UNIT_KWH) || !strcmp(unit, UNIT_WH))) strcpy(it->unit, unit);
if ((divisor == 1) || (divisor == 1000)) it->divisor = divisor;
if (cfg.verbose) logMessage(cfg.logfile, (char *)__FILE__, __LINE__, (char *)"correctExternalPM pm %d unit >%s< divisor %d topic >%s<\n", pm, it->unit, it->divisor, it->topic);
}
}
return;
}
int handleImmediately(RscpProtocol *protocol, SRscpValue *response, uint32_t container, int year, int month, int day) {
#ifdef INFLUXDB
char buffer[CURL_BUFFER_SIZE];
char ts[24];
strcpy(buffer, "");
time_t rawtime;
time(&rawtime);
struct tm *l = localtime(&rawtime);
l->tm_sec = 0;
l->tm_min = 0;
l->tm_hour = 0;
l->tm_isdst = -1;
#endif
char topic[TOPIC_SIZE];
char payload[PAYLOAD_SIZE];
int rc = 0;
for (std::vector<RSCP_MQTT::cache_t>::iterator it = RSCP_MQTT::RscpMqttCacheTempl.begin(); it != RSCP_MQTT::RscpMqttCacheTempl.end(); ++it) {
if ((it->container == container) && (it->tag == response->tag)) {
snprintf(topic, TOPIC_SIZE, it->topic, year, month, day);
// only float is handled
switch (it->format) {
case F_FLOAT_0 : {
snprintf(payload, PAYLOAD_SIZE, "%.0f", protocol->getValueAsFloat32(response) / it->divisor);
break;
}
case F_FLOAT_1 : {
snprintf(payload, PAYLOAD_SIZE, "%0.1f", protocol->getValueAsFloat32(response) / it->divisor);
break;
}
case F_AUTO :
case F_FLOAT_2 : {
snprintf(payload, PAYLOAD_SIZE, "%0.2f", protocol->getValueAsFloat32(response) / it->divisor);
break;
}
}
if (cfg.mqtt_pub && mosq) rc = mosquitto_publish(mosq, NULL, topic, strlen(payload), payload, cfg.mqtt_qos, cfg.mqtt_retain);
#ifdef INFLUXDB
l->tm_mday = day;
l->tm_mon = month - 1;
l->tm_year = year - 1900;
sprintf(ts, "%llu000000000", (long long unsigned)(timegm(l) - gmt_diff));
if (cfg.influxdb_on && curl) {
for (std::vector<RSCP_MQTT::topic_store_t>::iterator store = RSCP_MQTT::TopicStore.begin(); store != RSCP_MQTT::TopicStore.end(); ++store) {
if ((store->type == INFLUXDB_TOPIC) && std::regex_match(topic, std::regex(store->topic))) {
handleInfluxDb(buffer, topic, payload, it->unit, ts);
}
}
}
#endif
}
}
#ifdef INFLUXDB
if (cfg.influxdb_on && curl) handleInfluxDb(buffer, NULL, NULL, NULL, NULL);
#endif
return(rc);
}
int storeIntegerValue(std::vector<RSCP_MQTT::cache_t> & c, uint32_t container, uint32_t tag, int value, int index, bool dobreak) {
char buf[PAYLOAD_SIZE];
for (std::vector<RSCP_MQTT::cache_t>::iterator it = c.begin(); it != c.end(); ++it) {
if ((it->container == container) && (it->tag == tag) && (it->index == index)) {
if (it->bit_to_bool) {
if (value & it->bit_to_bool) strcpy(buf, cfg.true_value);
else strcpy(buf, cfg.false_value);
} else {
snprintf(buf, PAYLOAD_SIZE, "%d", value);
}
if (strcmp(it->payload, buf)) {
strcpy(it->payload, buf);
it->changed = true;
}
if (dobreak) break;
}
}
return(value);
}
float storeFloatValue(std::vector<RSCP_MQTT::cache_t> & c, uint32_t container, uint32_t tag, float value, int index, bool dobreak) {
char buf[PAYLOAD_SIZE];
for (std::vector<RSCP_MQTT::cache_t>::iterator it = c.begin(); it != c.end(); ++it) {
if ((it->container == container) && (it->tag == tag) && (it->index == index)) {
switch (it->format) {
case F_FLOAT_0 : {
snprintf(buf, PAYLOAD_SIZE, "%.0f", value / it->divisor);
break;