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Tasmota/sonoff/xdrv_02_mqtt.ino

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/*
xdrv_02_mqtt.ino - mqtt support for Sonoff-Tasmota
Copyright (C) 2019 Theo Arends
This program 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 3 of the License, or
(at your option) any later version.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define XDRV_02 2
#ifdef USE_MQTT_TLS
#ifdef USE_MQTT_TLS_CA_CERT
#include "sonoff_letsencrypt.h" // LetsEncrypt certificate
#endif
WiFiClientSecure EspClient; // Wifi Secure Client
#else
WiFiClient EspClient; // Wifi Client
#endif
enum MqttCommands {
CMND_MQTTHOST, CMND_MQTTPORT, CMND_MQTTRETRY, CMND_STATETEXT, CMND_MQTTFINGERPRINT, CMND_MQTTCLIENT,
CMND_MQTTUSER, CMND_MQTTPASSWORD, CMND_FULLTOPIC, CMND_PREFIX, CMND_GROUPTOPIC, CMND_TOPIC, CMND_PUBLISH,
CMND_BUTTONTOPIC, CMND_SWITCHTOPIC, CMND_BUTTONRETAIN, CMND_SWITCHRETAIN, CMND_POWERRETAIN, CMND_SENSORRETAIN };
const char kMqttCommands[] PROGMEM =
D_CMND_MQTTHOST "|" D_CMND_MQTTPORT "|" D_CMND_MQTTRETRY "|" D_CMND_STATETEXT "|" D_CMND_MQTTFINGERPRINT "|" D_CMND_MQTTCLIENT "|"
D_CMND_MQTTUSER "|" D_CMND_MQTTPASSWORD "|" D_CMND_FULLTOPIC "|" D_CMND_PREFIX "|" D_CMND_GROUPTOPIC "|" D_CMND_TOPIC "|" D_CMND_PUBLISH "|"
D_CMND_BUTTONTOPIC "|" D_CMND_SWITCHTOPIC "|" D_CMND_BUTTONRETAIN "|" D_CMND_SWITCHRETAIN "|" D_CMND_POWERRETAIN "|" D_CMND_SENSORRETAIN ;
uint16_t mqtt_connect_count = 0; // MQTT re-connect count
uint16_t mqtt_retry_counter = 1; // MQTT connection retry counter
uint8_t mqtt_initial_connection_state = 2; // MQTT connection messages state
bool mqtt_connected = false; // MQTT virtual connection status
bool mqtt_allowed = false; // MQTT enabled and parameters valid
/*********************************************************************************************\
* MQTT driver specific code need to provide the following functions:
*
* bool MqttIsConnected()
* void MqttDisconnect()
* void MqttSubscribeLib(char *topic)
* bool MqttPublishLib(const char* topic, bool retained)
\*********************************************************************************************/
#include <PubSubClient.h>
// Max message size calculated by PubSubClient is (MQTT_MAX_PACKET_SIZE < 5 + 2 + strlen(topic) + plength)
#if (MQTT_MAX_PACKET_SIZE -TOPSZ -7) < MIN_MESSZ // If the max message size is too small, throw an error at compile time. See PubSubClient.cpp line 359
#error "MQTT_MAX_PACKET_SIZE is too small in libraries/PubSubClient/src/PubSubClient.h, increase it to at least 1000"
#endif
PubSubClient MqttClient(EspClient);
bool MqttIsConnected(void)
{
return MqttClient.connected();
}
void MqttDisconnect(void)
{
MqttClient.disconnect();
}
void MqttSubscribeLib(const char *topic)
{
MqttClient.subscribe(topic);
MqttClient.loop(); // Solve LmacRxBlk:1 messages
}
void MqttUnsubscribeLib(const char *topic)
{
MqttClient.unsubscribe(topic);
MqttClient.loop(); // Solve LmacRxBlk:1 messages
}
bool MqttPublishLib(const char* topic, bool retained)
{
bool result = MqttClient.publish(topic, mqtt_data, retained);
yield(); // #3313
return result;
}
/*********************************************************************************************/
#ifdef USE_DISCOVERY
#ifdef MQTT_HOST_DISCOVERY
void MqttDiscoverServer(void)
{
if (!mdns_begun) { return; }
int n = MDNS.queryService("mqtt", "tcp"); // Search for mqtt service
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_MDNS D_QUERY_DONE " %d"), n);
if (n > 0) {
uint8_t i = 0; // If the hostname isn't set, use the first record found.
#ifdef MDNS_HOSTNAME
for (i = n; i > 0; i--) { // Search from last to first and use first if not found
if (!strcmp(MDNS.hostname(i).c_str(), MDNS_HOSTNAME)) {
break; // Stop at matching record
}
}
#endif // MDNS_HOSTNAME
snprintf_P(Settings.mqtt_host, sizeof(Settings.mqtt_host), MDNS.IP(i).toString().c_str());
Settings.mqtt_port = MDNS.port(i);
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_MDNS D_MQTT_SERVICE_FOUND " %s, " D_IP_ADDRESS " %s, " D_PORT " %d"), MDNS.hostname(i).c_str(), Settings.mqtt_host, Settings.mqtt_port);
}
}
#endif // MQTT_HOST_DISCOVERY
#endif // USE_DISCOVERY
void MqttRetryCounter(uint8_t value)
{
mqtt_retry_counter = value;
}
void MqttSubscribe(const char *topic)
{
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_MQTT D_SUBSCRIBE_TO " %s"), topic);
MqttSubscribeLib(topic);
}
void MqttUnsubscribe(const char *topic)
{
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_MQTT D_UNSUBSCRIBE_FROM " %s"), topic);
MqttUnsubscribeLib(topic);
}
void MqttPublishDirect(const char* topic, bool retained)
{
char sretained[CMDSZ];
char slog_type[10];
#ifdef USE_DEBUG_DRIVER
ShowFreeMem(PSTR("MqttPublishDirect"));
#endif
sretained[0] = '\0';
snprintf_P(slog_type, sizeof(slog_type), PSTR(D_LOG_RESULT));
if (Settings.flag.mqtt_enabled) {
if (MqttIsConnected()) {
if (MqttPublishLib(topic, retained)) {
snprintf_P(slog_type, sizeof(slog_type), PSTR(D_LOG_MQTT));
if (retained) {
snprintf_P(sretained, sizeof(sretained), PSTR(" (" D_RETAINED ")"));
}
}
}
}
snprintf_P(log_data, sizeof(log_data), PSTR("%s%s = %s"), slog_type, (Settings.flag.mqtt_enabled) ? topic : strrchr(topic,'/')+1, mqtt_data);
if (strlen(log_data) >= (sizeof(log_data) - strlen(sretained) -1)) {
log_data[sizeof(log_data) - strlen(sretained) -5] = '\0';
snprintf_P(log_data, sizeof(log_data), PSTR("%s ..."), log_data);
}
snprintf_P(log_data, sizeof(log_data), PSTR("%s%s"), log_data, sretained);
AddLog(LOG_LEVEL_INFO);
if (Settings.ledstate &0x04) {
blinks++;
}
}
void MqttPublish(const char* topic, bool retained)
{
char *me;
if (!strcmp(Settings.mqtt_prefix[0],Settings.mqtt_prefix[1])) {
me = strstr(topic,Settings.mqtt_prefix[0]);
if (me == topic) {
mqtt_cmnd_publish += 3;
}
}
MqttPublishDirect(topic, retained);
}
void MqttPublish(const char* topic)
{
MqttPublish(topic, false);
}
void MqttPublishPrefixTopic_P(uint8_t prefix, const char* subtopic, bool retained)
{
/* prefix 0 = cmnd using subtopic
* prefix 1 = stat using subtopic
* prefix 2 = tele using subtopic
* prefix 4 = cmnd using subtopic or RESULT
* prefix 5 = stat using subtopic or RESULT
* prefix 6 = tele using subtopic or RESULT
*/
char romram[33];
char stopic[TOPSZ];
snprintf_P(romram, sizeof(romram), ((prefix > 3) && !Settings.flag.mqtt_response) ? S_RSLT_RESULT : subtopic);
for (uint8_t i = 0; i < strlen(romram); i++) {
romram[i] = toupper(romram[i]);
}
prefix &= 3;
GetTopic_P(stopic, prefix, mqtt_topic, romram);
MqttPublish(stopic, retained);
}
void MqttPublishPrefixTopic_P(uint8_t prefix, const char* subtopic)
{
MqttPublishPrefixTopic_P(prefix, subtopic, false);
}
void MqttPublishPowerState(uint8_t device)
{
char stopic[TOPSZ];
char scommand[33];
if ((device < 1) || (device > devices_present)) { device = 1; }
if ((SONOFF_IFAN02 == my_module_type) && (device > 1)) {
if (GetFanspeed() < MAX_FAN_SPEED) { // 4 occurs when fanspeed is 3 and RC button 2 is pressed
#ifdef USE_DOMOTICZ
DomoticzUpdateFanState(); // RC Button feedback
#endif // USE_DOMOTICZ
snprintf_P(scommand, sizeof(scommand), PSTR(D_CMND_FANSPEED));
GetTopic_P(stopic, STAT, mqtt_topic, (Settings.flag.mqtt_response) ? scommand : S_RSLT_RESULT);
Response_P(S_JSON_COMMAND_NVALUE, scommand, GetFanspeed());
MqttPublish(stopic);
}
} else {
GetPowerDevice(scommand, device, sizeof(scommand), Settings.flag.device_index_enable);
GetTopic_P(stopic, STAT, mqtt_topic, (Settings.flag.mqtt_response) ? scommand : S_RSLT_RESULT);
Response_P(S_JSON_COMMAND_SVALUE, scommand, GetStateText(bitRead(power, device -1)));
MqttPublish(stopic);
GetTopic_P(stopic, STAT, mqtt_topic, scommand);
Response_P(GetStateText(bitRead(power, device -1)));
MqttPublish(stopic, Settings.flag.mqtt_power_retain);
}
}
void MqttPublishPowerBlinkState(uint8_t device)
{
char scommand[33];
if ((device < 1) || (device > devices_present)) {
device = 1;
}
Response_P(PSTR("{\"%s\":\"" D_JSON_BLINK " %s\"}"),
GetPowerDevice(scommand, device, sizeof(scommand), Settings.flag.device_index_enable), GetStateText(bitRead(blink_mask, device -1)));
MqttPublishPrefixTopic_P(RESULT_OR_STAT, S_RSLT_POWER);
}
/*********************************************************************************************/
uint16_t MqttConnectCount()
{
return mqtt_connect_count;
}
void MqttDisconnected(int state)
{
mqtt_connected = false;
mqtt_retry_counter = Settings.mqtt_retry;
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_MQTT D_CONNECT_FAILED_TO " %s:%d, rc %d. " D_RETRY_IN " %d " D_UNIT_SECOND), Settings.mqtt_host, Settings.mqtt_port, state, mqtt_retry_counter);
rules_flag.mqtt_disconnected = 1;
}
void MqttConnected(void)
{
char stopic[TOPSZ];
if (mqtt_allowed) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_CONNECTED));
mqtt_connected = true;
mqtt_retry_counter = 0;
mqtt_connect_count++;
GetTopic_P(stopic, TELE, mqtt_topic, S_LWT);
Response_P(PSTR(D_ONLINE));
MqttPublish(stopic, true);
// Satisfy iobroker (#299)
mqtt_data[0] = '\0';
MqttPublishPrefixTopic_P(CMND, S_RSLT_POWER);
GetTopic_P(stopic, CMND, mqtt_topic, PSTR("#"));
MqttSubscribe(stopic);
if (strstr_P(Settings.mqtt_fulltopic, MQTT_TOKEN_TOPIC) != nullptr) {
GetTopic_P(stopic, CMND, Settings.mqtt_grptopic, PSTR("#"));
MqttSubscribe(stopic);
GetFallbackTopic_P(stopic, CMND, PSTR("#"));
MqttSubscribe(stopic);
}
XdrvCall(FUNC_MQTT_SUBSCRIBE);
}
if (mqtt_initial_connection_state) {
Response_P(PSTR("{\"" D_CMND_MODULE "\":\"%s\",\"" D_JSON_VERSION "\":\"%s%s\",\"" D_JSON_FALLBACKTOPIC "\":\"%s\",\"" D_CMND_GROUPTOPIC "\":\"%s\"}"),
ModuleName().c_str(), my_version, my_image, GetFallbackTopic_P(stopic, CMND, ""), Settings.mqtt_grptopic);
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_INFO "1"));
#ifdef USE_WEBSERVER
if (Settings.webserver) {
Response_P(PSTR("{\"" D_JSON_WEBSERVER_MODE "\":\"%s\",\"" D_CMND_HOSTNAME "\":\"%s\",\"" D_CMND_IPADDRESS "\":\"%s\"}"),
(2 == Settings.webserver) ? D_ADMIN : D_USER, my_hostname, WiFi.localIP().toString().c_str());
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_INFO "2"));
}
#endif // USE_WEBSERVER
Response_P(PSTR("{\"" D_JSON_RESTARTREASON "\":\"%s\"}"), (GetResetReason() == "Exception") ? ESP.getResetInfo().c_str() : GetResetReason().c_str());
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_INFO "3"));
for (uint8_t i = 1; i <= devices_present; i++) {
MqttPublishPowerState(i);
if (SONOFF_IFAN02 == my_module_type) { break; } // Report status of light relay only
}
if (Settings.tele_period) { tele_period = Settings.tele_period -9; } // Enable TelePeriod in 9 seconds
rules_flag.system_boot = 1;
XdrvCall(FUNC_MQTT_INIT);
}
mqtt_initial_connection_state = 0;
global_state.mqtt_down = 0;
if (Settings.flag.mqtt_enabled) {
rules_flag.mqtt_connected = 1;
}
}
#ifdef USE_MQTT_TLS
bool MqttCheckTls(void)
{
char fingerprint1[60];
char fingerprint2[60];
bool result = false;
fingerprint1[0] = '\0';
fingerprint2[0] = '\0';
for (uint8_t i = 0; i < sizeof(Settings.mqtt_fingerprint[0]); i++) {
snprintf_P(fingerprint1, sizeof(fingerprint1), PSTR("%s%s%02X"), fingerprint1, (i) ? " " : "", Settings.mqtt_fingerprint[0][i]);
snprintf_P(fingerprint2, sizeof(fingerprint2), PSTR("%s%s%02X"), fingerprint2, (i) ? " " : "", Settings.mqtt_fingerprint[1][i]);
}
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_FINGERPRINT));
//#ifdef ARDUINO_ESP8266_RELEASE_2_4_1
EspClient = WiFiClientSecure(); // Wifi Secure Client reconnect issue 4497 (https://github.com/esp8266/Arduino/issues/4497)
//#endif
if (!EspClient.connect(Settings.mqtt_host, Settings.mqtt_port)) {
AddLog_P2(LOG_LEVEL_DEBUG, PSTR(D_LOG_MQTT D_TLS_CONNECT_FAILED_TO " %s:%d. " D_RETRY_IN " %d " D_UNIT_SECOND), Settings.mqtt_host, Settings.mqtt_port, mqtt_retry_counter);
} else {
#ifdef USE_MQTT_TLS_CA_CERT
unsigned char tls_ca_cert[] = MQTT_TLS_CA_CERT;
if (EspClient.setCACert(tls_ca_cert, MQTT_TLS_CA_CERT_LENGTH)) {
if (EspClient.verifyCertChain(Settings.mqtt_host)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_VERIFIED "CA"));
result = true;
}
}
#else
if (EspClient.verify(fingerprint1, Settings.mqtt_host)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_VERIFIED "1"));
result = true;
}
else if (EspClient.verify(fingerprint2, Settings.mqtt_host)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_VERIFIED "2"));
result = true;
}
#ifdef MDNS_HOSTNAME
// If the hostname is set, check that as well.
// This lets certs with the hostname for the CN be used.
else if (EspClient.verify(fingerprint1, MDNS_HOSTNAME)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_VERIFIED "1"));
result = true;
}
else if (EspClient.verify(fingerprint2, MDNS_HOSTNAME)) {
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_VERIFIED "2"));
result = true;
}
#endif // MDNS_HOSTNAME
#endif // USE_MQTT_TLS_CA_CERT
}
if (!result) AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_FAILED));
EspClient.stop();
yield();
return result;
}
#endif // USE_MQTT_TLS
void MqttReconnect(void)
{
char stopic[TOPSZ];
mqtt_allowed = Settings.flag.mqtt_enabled;
if (mqtt_allowed) {
#ifdef USE_DISCOVERY
#ifdef MQTT_HOST_DISCOVERY
MqttDiscoverServer();
#endif // MQTT_HOST_DISCOVERY
#endif // USE_DISCOVERY
if (!strlen(Settings.mqtt_host) || !Settings.mqtt_port) {
mqtt_allowed = false;
}
}
if (!mqtt_allowed) {
MqttConnected();
return;
}
#if defined(USE_WEBSERVER) && defined(USE_EMULATION)
UdpDisconnect();
#endif // USE_EMULATION
AddLog_P(LOG_LEVEL_INFO, S_LOG_MQTT, PSTR(D_ATTEMPTING_CONNECTION));
mqtt_connected = false;
mqtt_retry_counter = Settings.mqtt_retry;
global_state.mqtt_down = 1;
char *mqtt_user = nullptr;
char *mqtt_pwd = nullptr;
if (strlen(Settings.mqtt_user) > 0) mqtt_user = Settings.mqtt_user;
if (strlen(Settings.mqtt_pwd) > 0) mqtt_pwd = Settings.mqtt_pwd;
GetTopic_P(stopic, TELE, mqtt_topic, S_LWT);
Response_P(S_OFFLINE);
#ifdef USE_MQTT_TLS
EspClient = WiFiClientSecure(); // Wifi Secure Client reconnect issue 4497 (https://github.com/esp8266/Arduino/issues/4497)
#else
EspClient = WiFiClient(); // Wifi Client reconnect issue 4497 (https://github.com/esp8266/Arduino/issues/4497)
#endif
if (2 == mqtt_initial_connection_state) { // Executed once just after power on and wifi is connected
#ifdef USE_MQTT_TLS
if (!MqttCheckTls()) return;
#endif // USE_MQTT_TLS
mqtt_initial_connection_state = 1;
}
MqttClient.setCallback(MqttDataHandler);
MqttClient.setServer(Settings.mqtt_host, Settings.mqtt_port);
if (MqttClient.connect(mqtt_client, mqtt_user, mqtt_pwd, stopic, 1, true, mqtt_data)) {
MqttConnected();
} else {
MqttDisconnected(MqttClient.state()); // status codes are documented here http://pubsubclient.knolleary.net/api.html#state
}
}
void MqttCheck(void)
{
if (Settings.flag.mqtt_enabled) {
if (!MqttIsConnected()) {
global_state.mqtt_down = 1;
if (!mqtt_retry_counter) {
#ifdef USE_DISCOVERY
#ifdef MQTT_HOST_DISCOVERY
if (!strlen(Settings.mqtt_host) && !mdns_begun) { return; }
#endif // MQTT_HOST_DISCOVERY
#endif // USE_DISCOVERY
MqttReconnect();
} else {
mqtt_retry_counter--;
}
} else {
global_state.mqtt_down = 0;
}
} else {
global_state.mqtt_down = 0;
if (mqtt_initial_connection_state) MqttReconnect();
}
}
/*********************************************************************************************/
bool MqttCommand(void)
{
char command [CMDSZ];
bool serviced = true;
char stemp1[TOPSZ];
char scommand[CMDSZ];
uint16_t i;
uint16_t index = XdrvMailbox.index;
uint16_t data_len = XdrvMailbox.data_len;
uint16_t payload16 = XdrvMailbox.payload16;
int16_t payload = XdrvMailbox.payload;
bool grpflg = XdrvMailbox.grpflg;
char *type = XdrvMailbox.topic;
char *dataBuf = XdrvMailbox.data;
int command_code = GetCommandCode(command, sizeof(command), type, kMqttCommands);
if (-1 == command_code) {
serviced = false; // Unknown command
}
else if (CMND_MQTTHOST == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_host))) {
strlcpy(Settings.mqtt_host, (SC_CLEAR == Shortcut(dataBuf)) ? "" : (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_HOST : dataBuf, sizeof(Settings.mqtt_host));
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_host);
}
else if (CMND_MQTTPORT == command_code) {
if (payload16 > 0) {
Settings.mqtt_port = (1 == payload16) ? MQTT_PORT : payload16;
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_NVALUE, command, Settings.mqtt_port);
}
else if (CMND_MQTTRETRY == command_code) {
if ((payload >= MQTT_RETRY_SECS) && (payload < 32001)) {
Settings.mqtt_retry = payload;
mqtt_retry_counter = Settings.mqtt_retry;
}
Response_P(S_JSON_COMMAND_NVALUE, command, Settings.mqtt_retry);
}
else if ((CMND_STATETEXT == command_code) && (index > 0) && (index <= 4)) {
if ((data_len > 0) && (data_len < sizeof(Settings.state_text[0]))) {
for(i = 0; i <= data_len; i++) {
if (dataBuf[i] == ' ') dataBuf[i] = '_';
}
strlcpy(Settings.state_text[index -1], dataBuf, sizeof(Settings.state_text[0]));
}
Response_P(S_JSON_COMMAND_INDEX_SVALUE, command, index, GetStateText(index -1));
}
#ifdef USE_MQTT_TLS
else if ((CMND_MQTTFINGERPRINT == command_code) && (index > 0) && (index <= 2)) {
char fingerprint[60];
if ((data_len > 0) && (data_len < sizeof(fingerprint))) {
strlcpy(fingerprint, (SC_CLEAR == Shortcut(dataBuf)) ? "" : (SC_DEFAULT == Shortcut(dataBuf)) ? (1 == index) ? MQTT_FINGERPRINT1 : MQTT_FINGERPRINT2 : dataBuf, sizeof(fingerprint));
char *p = fingerprint;
for (uint8_t i = 0; i < 20; i++) {
Settings.mqtt_fingerprint[index -1][i] = strtol(p, &p, 16);
}
restart_flag = 2;
}
fingerprint[0] = '\0';
for (uint8_t i = 0; i < sizeof(Settings.mqtt_fingerprint[index -1]); i++) {
snprintf_P(fingerprint, sizeof(fingerprint), PSTR("%s%s%02X"), fingerprint, (i) ? " " : "", Settings.mqtt_fingerprint[index -1][i]);
}
Response_P(S_JSON_COMMAND_INDEX_SVALUE, command, index, fingerprint);
}
#endif
else if (CMND_MQTTCLIENT == command_code) {
if (!grpflg && (data_len > 0) && (data_len < sizeof(Settings.mqtt_client))) {
strlcpy(Settings.mqtt_client, (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_CLIENT_ID : dataBuf, sizeof(Settings.mqtt_client));
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_client);
}
else if (CMND_MQTTUSER == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_user))) {
strlcpy(Settings.mqtt_user, (SC_CLEAR == Shortcut(dataBuf)) ? "" : (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_USER : dataBuf, sizeof(Settings.mqtt_user));
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_user);
}
else if (CMND_MQTTPASSWORD == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_pwd))) {
strlcpy(Settings.mqtt_pwd, (SC_CLEAR == Shortcut(dataBuf)) ? "" : (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_PASS : dataBuf, sizeof(Settings.mqtt_pwd));
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_pwd);
restart_flag = 2;
} else {
Response_P(S_JSON_COMMAND_ASTERIX, command);
}
}
else if (CMND_FULLTOPIC == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_fulltopic))) {
MakeValidMqtt(1, dataBuf);
if (!strcmp(dataBuf, mqtt_client)) SetShortcut(dataBuf, SC_DEFAULT);
strlcpy(stemp1, (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_FULLTOPIC : dataBuf, sizeof(stemp1));
if (strcmp(stemp1, Settings.mqtt_fulltopic)) {
Response_P((Settings.flag.mqtt_offline) ? S_OFFLINE : "");
MqttPublishPrefixTopic_P(TELE, PSTR(D_LWT), true); // Offline or remove previous retained topic
strlcpy(Settings.mqtt_fulltopic, stemp1, sizeof(Settings.mqtt_fulltopic));
restart_flag = 2;
}
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_fulltopic);
}
else if ((CMND_PREFIX == command_code) && (index > 0) && (index <= 3)) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_prefix[0]))) {
MakeValidMqtt(0, dataBuf);
strlcpy(Settings.mqtt_prefix[index -1], (SC_DEFAULT == Shortcut(dataBuf)) ? (1==index)?SUB_PREFIX:(2==index)?PUB_PREFIX:PUB_PREFIX2 : dataBuf, sizeof(Settings.mqtt_prefix[0]));
// if (Settings.mqtt_prefix[index -1][strlen(Settings.mqtt_prefix[index -1])] == '/') Settings.mqtt_prefix[index -1][strlen(Settings.mqtt_prefix[index -1])] = 0;
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_INDEX_SVALUE, command, index, Settings.mqtt_prefix[index -1]);
}
else if (CMND_PUBLISH == command_code) {
if (data_len > 0) {
char *mqtt_part = strtok(dataBuf, " ");
if (mqtt_part) {
strlcpy(stemp1, mqtt_part, sizeof(stemp1));
mqtt_part = strtok(nullptr, " ");
if (mqtt_part) {
strlcpy(mqtt_data, mqtt_part, sizeof(mqtt_data));
} else {
mqtt_data[0] = '\0';
}
MqttPublishDirect(stemp1, (index == 2));
// Response_P(S_JSON_COMMAND_SVALUE, command, D_JSON_DONE);
mqtt_data[0] = '\0';
}
}
}
else if (CMND_GROUPTOPIC == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.mqtt_grptopic))) {
MakeValidMqtt(0, dataBuf);
if (!strcmp(dataBuf, mqtt_client)) SetShortcut(dataBuf, SC_DEFAULT);
strlcpy(Settings.mqtt_grptopic, (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_GRPTOPIC : dataBuf, sizeof(Settings.mqtt_grptopic));
restart_flag = 2;
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_grptopic);
}
else if (CMND_TOPIC == command_code) {
if (!grpflg && (data_len > 0) && (data_len < sizeof(Settings.mqtt_topic))) {
MakeValidMqtt(0, dataBuf);
if (!strcmp(dataBuf, mqtt_client)) SetShortcut(dataBuf, SC_DEFAULT);
strlcpy(stemp1, (SC_DEFAULT == Shortcut(dataBuf)) ? MQTT_TOPIC : dataBuf, sizeof(stemp1));
if (strcmp(stemp1, Settings.mqtt_topic)) {
Response_P((Settings.flag.mqtt_offline) ? S_OFFLINE : "");
MqttPublishPrefixTopic_P(TELE, PSTR(D_LWT), true); // Offline or remove previous retained topic
strlcpy(Settings.mqtt_topic, stemp1, sizeof(Settings.mqtt_topic));
restart_flag = 2;
}
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.mqtt_topic);
}
else if (CMND_BUTTONTOPIC == command_code) {
if (!grpflg && (data_len > 0) && (data_len < sizeof(Settings.button_topic))) {
MakeValidMqtt(0, dataBuf);
if (!strcmp(dataBuf, mqtt_client)) SetShortcut(dataBuf, SC_DEFAULT);
switch (Shortcut(dataBuf)) {
case SC_CLEAR: strlcpy(Settings.button_topic, "", sizeof(Settings.button_topic)); break;
case SC_DEFAULT: strlcpy(Settings.button_topic, mqtt_topic, sizeof(Settings.button_topic)); break;
case SC_USER: strlcpy(Settings.button_topic, MQTT_BUTTON_TOPIC, sizeof(Settings.button_topic)); break;
default: strlcpy(Settings.button_topic, dataBuf, sizeof(Settings.button_topic));
}
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.button_topic);
}
else if (CMND_SWITCHTOPIC == command_code) {
if ((data_len > 0) && (data_len < sizeof(Settings.switch_topic))) {
MakeValidMqtt(0, dataBuf);
if (!strcmp(dataBuf, mqtt_client)) SetShortcut(dataBuf, SC_DEFAULT);
switch (Shortcut(dataBuf)) {
case SC_CLEAR: strlcpy(Settings.switch_topic, "", sizeof(Settings.switch_topic)); break;
case SC_DEFAULT: strlcpy(Settings.switch_topic, mqtt_topic, sizeof(Settings.switch_topic)); break;
case SC_USER: strlcpy(Settings.switch_topic, MQTT_SWITCH_TOPIC, sizeof(Settings.switch_topic)); break;
default: strlcpy(Settings.switch_topic, dataBuf, sizeof(Settings.switch_topic));
}
}
Response_P(S_JSON_COMMAND_SVALUE, command, Settings.switch_topic);
}
else if (CMND_BUTTONRETAIN == command_code) {
if ((payload >= 0) && (payload <= 1)) {
if (!payload) {
for(i = 1; i <= MAX_KEYS; i++) {
SendKey(0, i, 9); // Clear MQTT retain in broker
}
}
Settings.flag.mqtt_button_retain = payload;
}
Response_P(S_JSON_COMMAND_SVALUE, command, GetStateText(Settings.flag.mqtt_button_retain));
}
else if (CMND_SWITCHRETAIN == command_code) {
if ((payload >= 0) && (payload <= 1)) {
if (!payload) {
for(i = 1; i <= MAX_SWITCHES; i++) {
SendKey(1, i, 9); // Clear MQTT retain in broker
}
}
Settings.flag.mqtt_switch_retain = payload;
}
Response_P(S_JSON_COMMAND_SVALUE, command, GetStateText(Settings.flag.mqtt_switch_retain));
}
else if (CMND_POWERRETAIN == command_code) {
if ((payload >= 0) && (payload <= 1)) {
if (!payload) {
for(i = 1; i <= devices_present; i++) { // Clear MQTT retain in broker
GetTopic_P(stemp1, STAT, mqtt_topic, GetPowerDevice(scommand, i, sizeof(scommand), Settings.flag.device_index_enable));
mqtt_data[0] = '\0';
MqttPublish(stemp1, Settings.flag.mqtt_power_retain);
}
}
Settings.flag.mqtt_power_retain = payload;
}
Response_P(S_JSON_COMMAND_SVALUE, command, GetStateText(Settings.flag.mqtt_power_retain));
}
else if (CMND_SENSORRETAIN == command_code) {
if ((payload >= 0) && (payload <= 1)) {
if (!payload) {
mqtt_data[0] = '\0';
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_SENSOR), Settings.flag.mqtt_sensor_retain);
MqttPublishPrefixTopic_P(TELE, PSTR(D_RSLT_ENERGY), Settings.flag.mqtt_sensor_retain);
}
Settings.flag.mqtt_sensor_retain = payload;
}
Response_P(S_JSON_COMMAND_SVALUE, command, GetStateText(Settings.flag.mqtt_sensor_retain));
}
else serviced = false; // Unknown command
return serviced;
}
/*********************************************************************************************\
* Presentation
\*********************************************************************************************/
#ifdef USE_WEBSERVER
#define WEB_HANDLE_MQTT "mq"
const char S_CONFIGURE_MQTT[] PROGMEM = D_CONFIGURE_MQTT;
const char HTTP_BTN_MENU_MQTT[] PROGMEM =
"<p><form action='" WEB_HANDLE_MQTT "' method='get'><button>" D_CONFIGURE_MQTT "</button></form></p>";
const char HTTP_FORM_MQTT1[] PROGMEM =
"<fieldset><legend><b>&nbsp;" D_MQTT_PARAMETERS "&nbsp;</b></legend>"
"<form method='get' action='" WEB_HANDLE_MQTT "'>"
"<p><b>" D_HOST "</b> (" MQTT_HOST ")<br/><input id='mh' name='mh' placeholder='" MQTT_HOST" ' value='%s'></p>"
"<p><b>" D_PORT "</b> (" STR(MQTT_PORT) ")<br/><input id='ml' name='ml' placeholder='" STR(MQTT_PORT) "' value='%d'></p>"
"<p><b>" D_CLIENT "</b> (%s)<br/><input id='mc' name='mc' placeholder='%s' value='%s'></p>";
const char HTTP_FORM_MQTT2[] PROGMEM =
"<p><b>" D_USER "</b> (" MQTT_USER ")<br/><input id='mu' name='mu' placeholder='" MQTT_USER "' value='%s'></p>"
"<p><b>" D_PASSWORD "</b><br/><input id='mp' name='mp' type='password' placeholder='" D_PASSWORD "' value='" D_ASTERISK_PWD "'></p>"
"<p><b>" D_TOPIC "</b> = %%topic%% (%s)<br/><input id='mt' name='mt' placeholder='%s' value='%s'></p>"
"<p><b>" D_FULL_TOPIC "</b> (%s)<br/><input id='mf' name='mf' placeholder='%s' value='%s'></p>";
void HandleMqttConfiguration(void)
{
if (!HttpCheckPriviledgedAccess()) { return; }
AddLog_P(LOG_LEVEL_DEBUG, S_LOG_HTTP, S_CONFIGURE_MQTT);
if (WebServer->hasArg("save")) {
MqttSaveSettings();
WebRestart(1);
return;
}
char str[sizeof(Settings.mqtt_client)];
WSContentStart_P(S_CONFIGURE_MQTT);
WSContentSendStyle();
WSContentSend_P(HTTP_FORM_MQTT1,
Settings.mqtt_host,
Settings.mqtt_port,
Format(str, MQTT_CLIENT_ID, sizeof(str)), MQTT_CLIENT_ID, Settings.mqtt_client);
WSContentSend_P(HTTP_FORM_MQTT2,
(Settings.mqtt_user[0] == '\0') ? "0" : Settings.mqtt_user,
Format(str, MQTT_TOPIC, sizeof(str)), MQTT_TOPIC, Settings.mqtt_topic,
MQTT_FULLTOPIC, MQTT_FULLTOPIC, Settings.mqtt_fulltopic);
WSContentSend_P(HTTP_FORM_END);
WSContentSpaceButton(BUTTON_CONFIGURATION);
WSContentStop();
}
void MqttSaveSettings(void)
{
char tmp[100];
char stemp[TOPSZ];
char stemp2[TOPSZ];
WebGetArg("mt", tmp, sizeof(tmp));
strlcpy(stemp, (!strlen(tmp)) ? MQTT_TOPIC : tmp, sizeof(stemp));
MakeValidMqtt(0, stemp);
WebGetArg("mf", tmp, sizeof(tmp));
strlcpy(stemp2, (!strlen(tmp)) ? MQTT_FULLTOPIC : tmp, sizeof(stemp2));
MakeValidMqtt(1,stemp2);
if ((strcmp(stemp, Settings.mqtt_topic)) || (strcmp(stemp2, Settings.mqtt_fulltopic))) {
Response_P((Settings.flag.mqtt_offline) ? S_OFFLINE : "");
MqttPublishPrefixTopic_P(TELE, S_LWT, true); // Offline or remove previous retained topic
}
strlcpy(Settings.mqtt_topic, stemp, sizeof(Settings.mqtt_topic));
strlcpy(Settings.mqtt_fulltopic, stemp2, sizeof(Settings.mqtt_fulltopic));
WebGetArg("mh", tmp, sizeof(tmp));
strlcpy(Settings.mqtt_host, (!strlen(tmp)) ? MQTT_HOST : (!strcmp(tmp,"0")) ? "" : tmp, sizeof(Settings.mqtt_host));
WebGetArg("ml", tmp, sizeof(tmp));
Settings.mqtt_port = (!strlen(tmp)) ? MQTT_PORT : atoi(tmp);
WebGetArg("mc", tmp, sizeof(tmp));
strlcpy(Settings.mqtt_client, (!strlen(tmp)) ? MQTT_CLIENT_ID : tmp, sizeof(Settings.mqtt_client));
WebGetArg("mu", tmp, sizeof(tmp));
strlcpy(Settings.mqtt_user, (!strlen(tmp)) ? MQTT_USER : (!strcmp(tmp,"0")) ? "" : tmp, sizeof(Settings.mqtt_user));
WebGetArg("mp", tmp, sizeof(tmp));
strlcpy(Settings.mqtt_pwd, (!strlen(tmp)) ? "" : (!strcmp(tmp, D_ASTERISK_PWD)) ? Settings.mqtt_pwd : tmp, sizeof(Settings.mqtt_pwd));
AddLog_P2(LOG_LEVEL_INFO, PSTR(D_LOG_MQTT D_CMND_MQTTHOST " %s, " D_CMND_MQTTPORT " %d, " D_CMND_MQTTCLIENT " %s, " D_CMND_MQTTUSER " %s, " D_CMND_TOPIC " %s, " D_CMND_FULLTOPIC " %s"),
Settings.mqtt_host, Settings.mqtt_port, Settings.mqtt_client, Settings.mqtt_user, Settings.mqtt_topic, Settings.mqtt_fulltopic);
}
#endif // USE_WEBSERVER
/*********************************************************************************************\
* Interface
\*********************************************************************************************/
bool Xdrv02(uint8_t function)
{
bool result = false;
if (Settings.flag.mqtt_enabled) {
switch (function) {
case FUNC_LOOP:
if (MqttIsConnected()) { MqttClient.loop(); }
break;
#ifdef USE_WEBSERVER
case FUNC_WEB_ADD_BUTTON:
WSContentSend_P(HTTP_BTN_MENU_MQTT);
break;
case FUNC_WEB_ADD_HANDLER:
WebServer->on("/" WEB_HANDLE_MQTT, HandleMqttConfiguration);
break;
#endif // USE_WEBSERVER
case FUNC_COMMAND:
result = MqttCommand();
break;
}
}
return result;
}
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