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413 lines
12 KiB
413 lines
12 KiB
/*
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WEBSOCKET MODULE
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Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
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*/
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#if WEB_SUPPORT
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#include <ESPAsyncTCP.h>
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#include <ESPAsyncWebServer.h>
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#include <ArduinoJson.h>
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#include <Ticker.h>
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#include <vector>
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#include "ws.h"
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AsyncWebSocket _ws("/ws");
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Ticker _web_defer;
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std::vector<ws_on_send_callback_f> _ws_on_send_callbacks;
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std::vector<ws_on_action_callback_f> _ws_on_action_callbacks;
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std::vector<ws_on_after_parse_callback_f> _ws_on_after_parse_callbacks;
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// -----------------------------------------------------------------------------
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// Private methods
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// -----------------------------------------------------------------------------
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void _wsMQTTCallback(unsigned int type, const char * topic, const char * payload) {
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if (type == MQTT_CONNECT_EVENT) wsSend_P(PSTR("{\"mqttStatus\": true}"));
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if (type == MQTT_DISCONNECT_EVENT) wsSend_P(PSTR("{\"mqttStatus\": false}"));
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}
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void _wsParse(AsyncWebSocketClient *client, uint8_t * payload, size_t length) {
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//DEBUG_MSG_P(PSTR("[WEBSOCKET] Parsing: %s\n"), length ? (char*) payload : "");
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// Get client ID
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uint32_t client_id = client->id();
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// Parse JSON input
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DynamicJsonBuffer jsonBuffer;
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JsonObject& root = jsonBuffer.parseObject((char *) payload);
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if (!root.success()) {
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DEBUG_MSG_P(PSTR("[WEBSOCKET] Error parsing data\n"));
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wsSend_P(client_id, PSTR("{\"message\": 3}"));
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return;
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}
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// Check actions -----------------------------------------------------------
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if (root.containsKey("action")) {
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String action = root["action"];
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JsonObject& data = root.containsKey("data") ? root["data"] : jsonBuffer.createObject();
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DEBUG_MSG_P(PSTR("[WEBSOCKET] Requested action: %s\n"), action.c_str());
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// Callbacks
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for (unsigned char i = 0; i < _ws_on_action_callbacks.size(); i++) {
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(_ws_on_action_callbacks[i])(action.c_str(), data);
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}
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if (action.equals("reset")) deferredReset(100, CUSTOM_RESET_WEB);
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if (action.equals("reconnect")) _web_defer.once_ms(100, wifiDisconnect);
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if (action.equals("restore")) {
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if (!data.containsKey("app") || (data["app"] != APP_NAME)) {
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wsSend_P(client_id, PSTR("{\"message\": 4}"));
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return;
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}
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for (unsigned int i = EEPROM_DATA_END; i < SPI_FLASH_SEC_SIZE; i++) {
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EEPROM.write(i, 0xFF);
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}
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for (auto element : data) {
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if (strcmp(element.key, "app") == 0) continue;
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if (strcmp(element.key, "version") == 0) continue;
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setSetting(element.key, element.value.as<char*>());
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}
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saveSettings();
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wsSend_P(client_id, PSTR("{\"message\": 5}"));
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}
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};
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// Check configuration -----------------------------------------------------
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if (root.containsKey("config") && root["config"].is<JsonArray&>()) {
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JsonArray& config = root["config"];
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DEBUG_MSG_P(PSTR("[WEBSOCKET] Parsing configuration data\n"));
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unsigned char webMode = WEB_MODE_NORMAL;
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bool save = false;
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bool changed = false;
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bool changedMQTT = false;
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unsigned int network = 0;
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unsigned int dczRelayIdx = 0;
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String adminPass;
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for (unsigned int i=0; i<config.size(); i++) {
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String key = config[i]["name"];
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String value = config[i]["value"];
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// Skip firmware filename
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if (key.equals("filename")) continue;
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#if POWER_PROVIDER != POWER_PROVIDER_NONE
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if (key == "pwrExpectedP") {
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powerCalibrate(POWER_MAGNITUDE_ACTIVE, value.toFloat());
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changed = true;
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continue;
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}
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if (key == "pwrExpectedV") {
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powerCalibrate(POWER_MAGNITUDE_VOLTAGE, value.toFloat());
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changed = true;
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continue;
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}
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if (key == "pwrExpectedC") {
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powerCalibrate(POWER_MAGNITUDE_CURRENT, value.toFloat());
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changed = true;
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continue;
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}
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if (key == "pwrExpectedF") {
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powerCalibrate(POWER_MAGNITUDE_POWER_FACTOR, value.toFloat());
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changed = true;
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continue;
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}
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if (key == "pwrResetCalibration") {
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if (value.toInt() == 1) {
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powerResetCalibration();
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changed = true;
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}
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continue;
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}
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#endif
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#if DOMOTICZ_SUPPORT
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if (key == "dczRelayIdx") {
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if (dczRelayIdx >= relayCount()) continue;
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key = key + String(dczRelayIdx);
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++dczRelayIdx;
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}
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#else
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if (key.startsWith("dcz")) continue;
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#endif
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// Web portions
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if (key == "webPort") {
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if ((value.toInt() == 0) || (value.toInt() == 80)) {
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save = changed = true;
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delSetting(key);
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continue;
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}
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}
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if (key == "webMode") {
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webMode = value.toInt();
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continue;
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}
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// Check password
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if (key == "adminPass1") {
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adminPass = value;
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continue;
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}
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if (key == "adminPass2") {
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if (!value.equals(adminPass)) {
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wsSend_P(client_id, PSTR("{\"message\": 7}"));
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return;
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}
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if (value.length() == 0) continue;
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wsSend_P(client_id, PSTR("{\"action\": \"reload\"}"));
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key = String("adminPass");
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}
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if (key == "ssid") {
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key = key + String(network);
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}
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if (key == "pass") {
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key = key + String(network);
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}
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if (key == "ip") {
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key = key + String(network);
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}
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if (key == "gw") {
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key = key + String(network);
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}
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if (key == "mask") {
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key = key + String(network);
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}
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if (key == "dns") {
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key = key + String(network);
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++network;
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}
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if (value != getSetting(key)) {
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setSetting(key, value);
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save = changed = true;
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if (key.startsWith("mqtt")) changedMQTT = true;
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}
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}
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if (webMode == WEB_MODE_NORMAL) {
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if (wifiClean(network)) save = changed = true;
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}
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// Save settings
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if (save) {
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// Callbacks
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for (unsigned char i = 0; i < _ws_on_after_parse_callbacks.size(); i++) {
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(_ws_on_after_parse_callbacks[i])();
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}
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// This should got to callback as well
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// but first change management has to be in place
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if (changedMQTT) {
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mqttConfigure();
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mqttDisconnect();
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}
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// Persist settings
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saveSettings();
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}
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if (changed) {
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wsSend_P(client_id, PSTR("{\"message\": 8}"));
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} else {
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wsSend_P(client_id, PSTR("{\"message\": 9}"));
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}
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}
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}
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void _wsStart(uint32_t client_id) {
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DynamicJsonBuffer jsonBuffer;
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JsonObject& root = jsonBuffer.createObject();
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bool changePassword = false;
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#if WEB_FORCE_PASS_CHANGE
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String adminPass = getSetting("adminPass", ADMIN_PASS);
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if (adminPass.equals(ADMIN_PASS)) changePassword = true;
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#endif
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if (changePassword) {
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root["webMode"] = WEB_MODE_PASSWORD;
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} else {
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char chipid[7];
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snprintf_P(chipid, sizeof(chipid), PSTR("%06X"), ESP.getChipId());
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root["webMode"] = WEB_MODE_NORMAL;
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root["app_name"] = APP_NAME;
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root["app_version"] = APP_VERSION;
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root["app_build"] = buildTime();
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root["manufacturer"] = MANUFACTURER;
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root["chipid"] = chipid;
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root["mac"] = WiFi.macAddress();
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root["device"] = DEVICE;
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root["hostname"] = getSetting("hostname");
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root["network"] = getNetwork();
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root["deviceip"] = getIP();
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root["uptime"] = getUptime();
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root["heap"] = ESP.getFreeHeap();
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root["sketch_size"] = ESP.getSketchSize();
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root["free_size"] = ESP.getFreeSketchSpace();
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root["btnDelay"] = getSetting("btnDelay", BUTTON_DBLCLICK_DELAY).toInt();
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root["webPort"] = getSetting("webPort", WEB_PORT).toInt();
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root["tmpUnits"] = getSetting("tmpUnits", TMP_UNITS).toInt();
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root["tmpCorrection"] = getSetting("tmpCorrection", TMP_CORRECTION).toFloat();
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// Callbacks
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for (unsigned char i = 0; i < _ws_on_send_callbacks.size(); i++) {
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(_ws_on_send_callbacks[i])(root);
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}
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}
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String output;
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root.printTo(output);
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wsSend(client_id, (char *) output.c_str());
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}
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void _wsEvent(AsyncWebSocket * server, AsyncWebSocketClient * client, AwsEventType type, void * arg, uint8_t *data, size_t len){
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if (type == WS_EVT_CONNECT) {
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IPAddress ip = client->remoteIP();
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DEBUG_MSG_P(PSTR("[WEBSOCKET] #%u connected, ip: %d.%d.%d.%d, url: %s\n"), client->id(), ip[0], ip[1], ip[2], ip[3], server->url());
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_wsStart(client->id());
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client->_tempObject = new WebSocketIncommingBuffer(&_wsParse, true);
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wifiReconnectCheck();
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} else if(type == WS_EVT_DISCONNECT) {
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DEBUG_MSG_P(PSTR("[WEBSOCKET] #%u disconnected\n"), client->id());
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if (client->_tempObject) {
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delete (WebSocketIncommingBuffer *) client->_tempObject;
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}
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wifiReconnectCheck();
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} else if(type == WS_EVT_ERROR) {
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DEBUG_MSG_P(PSTR("[WEBSOCKET] #%u error(%u): %s\n"), client->id(), *((uint16_t*)arg), (char*)data);
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} else if(type == WS_EVT_PONG) {
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DEBUG_MSG_P(PSTR("[WEBSOCKET] #%u pong(%u): %s\n"), client->id(), len, len ? (char*) data : "");
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} else if(type == WS_EVT_DATA) {
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//DEBUG_MSG_P(PSTR("[WEBSOCKET] #%u data(%u): %s\n"), client->id(), len, len ? (char*) data : "");
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WebSocketIncommingBuffer *buffer = (WebSocketIncommingBuffer *)client->_tempObject;
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AwsFrameInfo * info = (AwsFrameInfo*)arg;
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buffer->data_event(client, info, data, len);
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}
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}
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// -----------------------------------------------------------------------------
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// Piblic API
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// -----------------------------------------------------------------------------
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bool wsConnected() {
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return (_ws.count() > 0);
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}
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void wsOnSendRegister(ws_on_send_callback_f callback) {
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_ws_on_send_callbacks.push_back(callback);
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}
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void wsOnActionRegister(ws_on_action_callback_f callback) {
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_ws_on_action_callbacks.push_back(callback);
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}
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void wsOnAfterParseRegister(ws_on_after_parse_callback_f callback) {
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_ws_on_after_parse_callbacks.push_back(callback);
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}
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void wsSend(ws_on_send_callback_f callback) {
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if (_ws.count() > 0) {
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DynamicJsonBuffer jsonBuffer;
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JsonObject& root = jsonBuffer.createObject();
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callback(root);
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String output;
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root.printTo(output);
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wsSend((char *) output.c_str());
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}
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}
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void wsSend(const char * payload) {
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if (_ws.count() > 0) {
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_ws.textAll(payload);
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}
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}
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void wsSend_P(PGM_P payload) {
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if (_ws.count() > 0) {
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char buffer[strlen_P(payload)];
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strcpy_P(buffer, payload);
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_ws.textAll(buffer);
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}
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}
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void wsSend(uint32_t client_id, const char * payload) {
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_ws.text(client_id, payload);
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}
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void wsSend_P(uint32_t client_id, PGM_P payload) {
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char buffer[strlen_P(payload)];
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strcpy_P(buffer, payload);
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_ws.text(client_id, buffer);
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}
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void wsConfigure() {
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_ws.setAuthentication(WEB_USERNAME, (const char *) getSetting("adminPass", ADMIN_PASS).c_str());
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}
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void wsSetup() {
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_ws.onEvent(_wsEvent);
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wsConfigure();
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webServer()->addHandler(&_ws);
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mqttRegister(_wsMQTTCallback);
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wsOnAfterParseRegister(wsConfigure);
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}
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#endif // WEB_SUPPORT
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