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128 lines
3.7 KiB
128 lines
3.7 KiB
/*
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INFLUXDB MODULE
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Copyright (C) 2017-2018 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if INFLUXDB_SUPPORT
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#include "ESPAsyncTCP.h"
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#include "SyncClient.h"
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bool _idb_enabled = false;
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SyncClient _idb_client;
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// -----------------------------------------------------------------------------
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bool _idbWebSocketOnReceive(const char * key, JsonVariant& value) {
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return (strncmp(key, "idb", 3) == 0);
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}
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void _idbWebSocketOnSend(JsonObject& root) {
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root["idbVisible"] = 1;
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root["idbEnabled"] = getSetting("idbEnabled", INFLUXDB_ENABLED).toInt() == 1;
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root["idbHost"] = getSetting("idbHost", INFLUXDB_HOST);
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root["idbPort"] = getSetting("idbPort", INFLUXDB_PORT).toInt();
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root["idbDatabase"] = getSetting("idbDatabase", INFLUXDB_DATABASE);
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root["idbUsername"] = getSetting("idbUsername", INFLUXDB_USERNAME);
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root["idbPassword"] = getSetting("idbPassword", INFLUXDB_PASSWORD);
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}
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void _idbConfigure() {
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_idb_enabled = getSetting("idbEnabled", INFLUXDB_ENABLED).toInt() == 1;
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if (_idb_enabled && (getSetting("idbHost", INFLUXDB_HOST).length() == 0)) {
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_idb_enabled = false;
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setSetting("idbEnabled", 0);
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}
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}
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#if BROKER_SUPPORT
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void _idbBrokerCallback(const char * topic, unsigned char id, const char * payload) {
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if (strcmp(MQTT_TOPIC_RELAY, topic) == 0) {
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idbSend(topic, id, (char *) payload);
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}
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}
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#endif // BROKER_SUPPORT
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// -----------------------------------------------------------------------------
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bool idbSend(const char * topic, const char * payload) {
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if (!_idb_enabled) return true;
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if (!wifiConnected() || (WiFi.getMode() != WIFI_STA)) return true;
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String h = getSetting("idbHost", INFLUXDB_HOST);
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#if MDNS_CLIENT_SUPPORT
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h = mdnsResolve(h);
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#endif
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char * host = strdup(h.c_str());
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unsigned int port = getSetting("idbPort", INFLUXDB_PORT).toInt();
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DEBUG_MSG_P(PSTR("[INFLUXDB] Sending to %s:%u\n"), host, port);
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bool success = false;
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_idb_client.setTimeout(2);
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if (_idb_client.connect((const char *) host, port)) {
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char data[128];
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snprintf(data, sizeof(data), "%s,device=%s value=%s", topic, getSetting("hostname").c_str(), String(payload).c_str());
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DEBUG_MSG_P(PSTR("[INFLUXDB] Data: %s\n"), data);
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char request[256];
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snprintf(request, sizeof(request), "POST /write?db=%s&u=%s&p=%s HTTP/1.1\r\nHost: %s:%u\r\nContent-Length: %d\r\n\r\n%s",
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getSetting("idbDatabase", INFLUXDB_DATABASE).c_str(),
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getSetting("idbUsername", INFLUXDB_USERNAME).c_str(), getSetting("idbPassword", INFLUXDB_PASSWORD).c_str(),
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host, port, strlen(data), data);
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if (_idb_client.printf(request) > 0) {
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while (_idb_client.connected() && _idb_client.available() == 0) delay(1);
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while (_idb_client.available()) _idb_client.read();
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if (_idb_client.connected()) _idb_client.stop();
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success = true;
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} else {
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DEBUG_MSG_P(PSTR("[INFLUXDB] Sent failed\n"));
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}
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_idb_client.stop();
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while (_idb_client.connected()) yield();
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} else {
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DEBUG_MSG_P(PSTR("[INFLUXDB] Connection failed\n"));
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}
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free(host);
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return success;
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}
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bool idbSend(const char * topic, unsigned char id, const char * payload) {
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char measurement[64];
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snprintf(measurement, sizeof(measurement), "%s,id=%d", topic, id);
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return idbSend(measurement, payload);
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}
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bool idbEnabled() {
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return _idb_enabled;
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}
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void idbSetup() {
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_idbConfigure();
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#if WEB_SUPPORT
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wsOnSendRegister(_idbWebSocketOnSend);
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wsOnReceiveRegister(_idbWebSocketOnReceive);
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#endif
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#if BROKER_SUPPORT
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brokerRegister(_idbBrokerCallback);
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#endif
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// Main callbacks
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espurnaRegisterReload(_idbConfigure);
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}
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#endif
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