Direct InfluxDB HTTP support

code/espurna/analog.ino

@@ -47,6 +47,11 @@ void analogLoop() {
             domoticzSend("dczAnaIdx", 0, String(analog).c_str());
         #endif
 
+        // Send to InfluxDB
+        #if ENABLE_INFLUXDB
+            influxDBSend(MQTT_TOPIC_ANALOG, analog);
+        #endif
+
         // Update websocket clients
         char buffer[100];
         sprintf_P(buffer, PSTR("{\"analogVisible\": 1, \"analogValue\": %d}"), analog);

code/espurna/config/general.h

@@ -183,6 +183,7 @@
 #define MQTT_TOPIC_APP          "app"
 #define MQTT_TOPIC_INTERVAL     "interval"
 #define MQTT_TOPIC_HOSTNAME     "hostname"
+#define MQTT_TOPIC_ANALOG       "analog"
 
 // Periodic reports
 #define MQTT_REPORT_STATUS      1
@@ -261,6 +262,15 @@
 #define DOMOTICZ_IN_TOPIC       "domoticz/in"
 #define DOMOTICZ_OUT_TOPIC      "domoticz/out"
 
+// -----------------------------------------------------------------------------
+// INFLUXDB
+// -----------------------------------------------------------------------------
+
+#ifndef ENABLE_INFLUXDB
+    #define ENABLE_INFLUXDB     1
+#endif
+#define INFLUXDB_PORT           8086
+
 // -----------------------------------------------------------------------------
 // NTP
 // -----------------------------------------------------------------------------

code/espurna/config/prototypes.h

@@ -16,3 +16,4 @@ template<typename T> String getSetting(const String& key, T defaultValue);
 template<typename T> String getSetting(const String& key, unsigned int index, T defaultValue);
 template<typename T> void domoticzSend(const char * key, T value);
 template<typename T> void domoticzSend(const char * key, T nvalue, const char * svalue);
+template<typename T> bool influxDBSend(const char * topic, T payload);

code/espurna/dht.ino

@@ -93,6 +93,11 @@ void dhtLoop() {
             }
             #endif
 
+            #if ENABLE_INFLUXDB
+                influxDBSend(getSetting("dhtTmpTopic", DHT_TEMPERATURE_TOPIC).c_str(), temperature);
+                influxDBSend(getSetting("dhtHumTopic", DHT_HUMIDITY_TOPIC).c_str(), humidity);
+            #endif
+
             // Update websocket clients
             char buffer[100];
             sprintf_P(buffer, PSTR("{\"dhtVisible\": 1, \"dhtTmp\": %s, \"dhtHum\": %s, \"tmpUnits\": %d}"), temperature, humidity, tmpUnits);

code/espurna/ds18b20.ino

@@ -99,6 +99,10 @@ void dsLoop() {
                 domoticzSend("dczTmpIdx", 0, _dsTemperatureStr);
             #endif
 
+            #if ENABLE_INFLUXDB
+                influxDBSend(getSetting("dsTmpTopic", DS_TEMPERATURE_TOPIC).c_str(), _dsTemperatureStr);
+            #endif
+
             // Update websocket clients
             char buffer[100];
             sprintf_P(buffer, PSTR("{\"dsVisible\": 1, \"dsTmp\": %s, \"tmpUnits\": %d}"), getDSTemperatureStr(), tmpUnits);

code/espurna/emon.ino

@@ -189,6 +189,12 @@ void powerMonitorLoop() {
             }
             #endif
 
+            #if ENABLE_INFLUXDB
+            influxDBSend(getSetting("emonPowerTopic", EMON_APOWER_TOPIC).c_str(), power);
+            //influxDBSend(getSetting("emonCurrTopic", EMON_CURRENT_TOPIC).c_str(), c);
+            //influxDBSend(getSetting("emonEnergyTopic", EMON_ENERGY_TOPIC).c_str(), e);
+            #endif
+
             // Reset counters
             sum = measurements = 0;
 

code/espurna/espurna.ino

@@ -51,6 +51,7 @@ void heartbeat() {
         #endif
     }
 
+
     #if (MQTT_REPORT_INTERVAL)
         mqttSend(MQTT_TOPIC_INTERVAL, HEARTBEAT_INTERVAL / 1000);
     #endif
@@ -74,9 +75,15 @@ void heartbeat() {
     #endif
     #if (MQTT_REPORT_UPTIME)
         mqttSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
+        #if ENABLE_INFLUXDB
+        influxDBSend(MQTT_TOPIC_UPTIME, String(uptime_seconds).c_str());
+        #endif
     #endif
     #if (MQTT_REPORT_FREEHEAP)
         mqttSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
+        #if ENABLE_INFLUXDB
+        influxDBSend(MQTT_TOPIC_FREEHEAP, String(free_heap).c_str());
+        #endif
     #endif
     #if (MQTT_REPORT_RELAY)
         relayMQTT();
@@ -189,6 +196,9 @@ void setup() {
     #if ENABLE_NOFUSS
         nofussSetup();
     #endif
+    #if ENABLE_INFLUXDB
+        influxDBSetup();
+    #endif
     #if ENABLE_POW
         powSetup();
     #endif

code/espurna/influxdb.ino

@@ -0,0 +1,59 @@
+/*
+
+I2C MODULE
+
+Copyright (C) 2017 by Xose Pérez <xose dot perez at gmail dot com>
+
+*/
+
+#if ENABLE_INFLUXDB
+
+#include "ESPAsyncTCP.h"
+#include "SyncClient.h"
+
+bool influxDBEnabled = false;
+
+template<typename T> bool influxDBSend(const char * topic, T payload) {
+
+    if (!influxDBEnabled) return true;
+
+    SyncClient client;
+    if (!client.connect(getSetting("idbHost").c_str(), getSetting("idbPort", INFLUXDB_PORT).toInt())) {
+        DEBUG_MSG_P(("[INFLUXDB] Connection failed\n"));
+        return false;
+    }
+    client.setTimeout(2);
+
+    char data[64];
+    sprintf(data, "%s,device=%s value=%s", topic, getSetting("hostname", HOSTNAME).c_str(), String(payload).c_str());
+    DEBUG_MSG_P(("[INFLUXDB] Data: %s\n"), data);
+
+    char request[250];
+    sprintf(request, "POST /write?db=%s&u=%s&p=%s HTTP/1.1\r\nHost: %s:%d\r\nContent-Length: %d\r\n\r\n%s",
+        getSetting("idbDatabase").c_str(), getSetting("idbUsername").c_str(), getSetting("idbPassword").c_str(),
+        getSetting("idbHost").c_str(), getSetting("idbPort", INFLUXDB_PORT).toInt(),
+        strlen(data), data);
+
+    if (client.printf(request) > 0) {
+        while (client.connected() && client.available() == 0) delay(1);
+        while (client.available()) client.read();
+        if (client.connected()) client.stop();
+        return true;
+    }
+
+    client.stop();
+    DEBUG_MSG_P(("[INFLUXDB] Sent failed\n"));
+    while (client.connected()) delay(0);
+    return false;
+
+}
+
+void influxDBConfigure() {
+    influxDBEnabled = getSetting("idbHost").length() > 0;
+}
+
+void influxDBSetup() {
+    influxDBConfigure();
+}
+
+#endif

code/espurna/pow.ino

@@ -286,6 +286,16 @@ void powLoop() {
             }
             #endif
 
+            #if ENABLE_INFLUXDB
+            influxDBSend(getSetting("powPowerTopic", POW_POWER_TOPIC).c_str(), String(power).c_str());
+            //influxDBSend(getSetting("powEnergyTopic", POW_ENERGY_TOPIC).c_str(), e);
+            //influxDBSend(getSetting("powCurrentTopic", POW_CURRENT_TOPIC).c_str(), String(current, 3).c_str());
+            //influxDBSend(getSetting("powVoltageTopic", POW_VOLTAGE_TOPIC).c_str(), String(voltage).c_str());
+            //influxDBSend(getSetting("powAPowerTopic", POW_APOWER_TOPIC).c_str(), String(apparent).c_str());
+            //influxDBSend(getSetting("powRPowerTopic", POW_RPOWER_TOPIC).c_str(), String(reactive).c_str());
+            //influxDBSend(getSetting("powPFactorTopic", POW_PFACTOR_TOPIC).c_str(), String(factor, 2).c_str());
+            #endif
+
             // Reset counters
             power_sum = current_sum = voltage_sum = 0;
             report_count = POW_REPORT_EVERY;

code/espurna/relay.ino

@@ -386,6 +386,15 @@ void relayMQTT(unsigned char id) {
     mqttSend(MQTT_TOPIC_RELAY, id, relayStatus(id) ? "1" : "0");
 }
 
+#if ENABLE_INFLUXDB
+void relayInfluxDB(unsigned char id) {
+    if (id >= _relays.size()) return;
+    char buffer[10];
+    sprintf(buffer, "%s,id=%d", MQTT_TOPIC_RELAY, id);
+    influxDBSend(buffer, relayStatus(id) ? "1" : "0");
+}
+#endif
+
 void relayMQTT() {
     for (unsigned int i=0; i < _relays.size(); i++) {
         relayMQTT(i);
@@ -528,6 +537,10 @@ void relayLoop(void) {
                 relayDomoticzSend(id);
             #endif
 
+            #if ENABLE_INFLUXDB
+                relayInfluxDB(id);
+            #endif
+
             _relays[id].scheduledReport = false;
 
         }

code/espurna/web.ino

@@ -348,6 +348,9 @@ void _wsParse(uint32_t client_id, uint8_t * payload, size_t length) {
             #if ENABLE_FAUXMO
                 fauxmoConfigure();
             #endif
+            #if ENABLE_INFLUXDB
+                influxDBConfigure();
+            #endif
             buildTopics();
 
             #if ENABLE_RF
@@ -493,6 +496,15 @@ void _wsStart(uint32_t client_id) {
 
         #endif
 
+        #if ENABLE_INFLUXDB
+            root["idbVisible"] = 1;
+            root["idbHost"] = getSetting("idbHost");
+            root["idbPort"] = getSetting("idbPort", INFLUXDB_PORT).toInt();
+            root["idbDatabase"] = getSetting("idbDatabase");
+            root["idbUsername"] = getSetting("idbUsername");
+            root["idbPassword"] = getSetting("idbPassword");
+        #endif
+
         #if ENABLE_FAUXMO
             root["fauxmoVisible"] = 1;
             root["fauxmoEnabled"] = getSetting("fauxmoEnabled", FAUXMO_ENABLED).toInt() == 1;

code/html/index.html

@@ -106,6 +106,10 @@
                             <a href="#" class="pure-menu-link" data="panel-domoticz">DOMOTICZ</a>
                         </li>
 
+                        <li class="pure-menu-item module module-idb">
+                            <a href="#" class="pure-menu-link" data="panel-idb">INFLUXDB</a>
+                        </li>
+
                         <li class="pure-menu-item module module-pow">
                             <a href="#" class="pure-menu-link" data="panel-power">POWER</a>
                         </li>
@@ -451,7 +455,7 @@
 
                                 <div class="pure-g">
                                     <label class="pure-u-1 pure-u-md-1-4" for="mqttPassword">MQTT Password</label>
-                                    <input class="pure-u-1 pure-u-md-3-4" name="mqttPassword" type="text" size="20" tabindex="24" placeholder="Leave blank if no user/pass" />
+                                    <input class="pure-u-1 pure-u-md-3-4" name="mqttPassword" type="password" size="20" tabindex="24" placeholder="Leave blank if no user/pass" />
                                 </div>
 
                                 <div class="pure-g">
@@ -589,6 +593,49 @@
 
                     </div>
 
+                    <div class="panel" id="panel-idb">
+
+                        <div class="header">
+                            <h1>INFLUXDB</h1>
+                            <h2>
+                                Configure the connection to your InfluxDB server. Leave the host field empty to disable InfluxDB connection.
+                            </h2>
+                        </div>
+
+                        <div class="page">
+
+                            <fieldset>
+
+                                <div class="pure-g">
+                                    <label class="pure-u-1 pure-u-md-1-4" for="idbHost">Host</label>
+                                    <input class="pure-u-1 pure-u-md-3-4" name="idbHost" type="text" tabindex="41" />
+                                </div>
+
+                                <div class="pure-g">
+                                    <label class="pure-u-1 pure-u-md-1-4" for="idbPort">Port</label>
+                                    <input class="pure-u-1 pure-u-md-3-4" name="idbPort" type="text" tabindex="42" />
+                                </div>
+
+                                <div class="pure-g">
+                                    <label class="pure-u-1 pure-u-md-1-4" for="idbDatabase">Database</label>
+                                    <input class="pure-u-1 pure-u-md-3-4" name="idbDatabase" type="text" tabindex="43" />
+                                </div>
+
+                                <div class="pure-g">
+                                    <label class="pure-u-1 pure-u-md-1-4" for="idbUsername">Username</label>
+                                    <input class="pure-u-1 pure-u-md-3-4" name="idbUsername" type="text" tabindex="44" />
+                                </div>
+
+                                <div class="pure-g">
+                                    <label class="pure-u-1 pure-u-md-1-4" for="idbPassword">Password</label>
+                                    <input class="pure-u-1 pure-u-md-3-4" name="idbPassword" type="password" tabindex="45" />
+                                </div>
+
+                            </fieldset>
+                        </div>
+
+                    </div>
+
                     <div class="panel" id="panel-power">
 
                         <div class="header">