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raymond |
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#include "WiFiService.h"
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#include "Json.h"
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// Helper: log the actual station network configuration as seen by the core
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// (independent from WiFiConnectParams / CredentialManager values).
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static void logCurrentStaNetworkConfig() {
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#if defined(ESP8266) || defined(ESP32)
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auto mode = WiFi.getMode();
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if (mode != WIFI_STA && mode != WIFI_AP_STA) {
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return;
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}
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log_info("[WiFi] Core STA config: IP=%s GW=%s SN=%s DNS1=%s DNS2=%s",
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WiFi.localIP().toString().c_str(),
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WiFi.gatewayIP().toString().c_str(),
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WiFi.subnetMask().toString().c_str(),
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WiFi.dnsIP(0).toString().c_str(),
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WiFi.dnsIP(1).toString().c_str());
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#endif
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}
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#if defined(ESP32)
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static inline void resetTaskWdtIfSubscribed() {
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if (esp_task_wdt_status(NULL) == ESP_OK) {
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esp_task_wdt_reset();
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}
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}
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#endif
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void WiFiService::setTaskWdt(uint32_t timeout) {
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#if defined(ESP32)
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#if ESP_ARDUINO_VERSION_MAJOR > 2
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esp_task_wdt_config_t twdt_config = {
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.timeout_ms = timeout,
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.idle_core_mask = (1 << portNUM_PROCESSORS) - 1,
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.trigger_panic = false,
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};
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ESP_ERROR_CHECK(esp_task_wdt_reconfigure(&twdt_config));
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#else
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ESP_ERROR_CHECK(esp_task_wdt_init(timeout / 1000, 0));
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#endif
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// The Arduino core already subscribes loopTask to the WDT.
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// Adding it again logs "task is already subscribed". Avoid duplicate add.
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#elif defined(ESP8266)
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ESP.wdtDisable();
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ESP.wdtEnable(timeout);
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#endif
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}
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WiFiScanResult WiFiService::scanNetworks() {
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WiFiScanResult result;
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int res = WiFi.scanComplete();
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#ifdef WIFI_SCAN_RUNNING
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if (res == WIFI_SCAN_RUNNING) {
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result.reload = true;
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result.json = "{\"reload\":1}";
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return result;
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}
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if (res == WIFI_SCAN_FAILED) {
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WiFi.scanNetworks(true);
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result.reload = true;
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result.json = "{\"reload\":1}";
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return result;
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}
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#else
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if (res == -2) {
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WiFi.scanNetworks(true);
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result.reload = true;
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result.json = "{\"reload\":1}";
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return result;
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}
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if (res == -1) {
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result.reload = true;
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result.json = "{\"reload\":1}";
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return result;
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}
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#endif
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if (res >= 0) {
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CJSON::Json json_array;
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json_array.createArray();
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for (int i = 0; i < res; ++i) {
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CJSON::Json item;
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item.setNumber("strength", WiFi.RSSI(i));
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item.setString("ssid", WiFi.SSID(i));
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#if defined(ESP8266)
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item.setString("security", AUTH_OPEN ? "none" : "enabled");
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#elif defined(ESP32)
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item.setString("security", WIFI_AUTH_OPEN ? "none" : "enabled");
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#endif
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json_array.add(item);
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}
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result.json = json_array.serialize();
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WiFi.scanDelete();
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WiFi.scanNetworks(true);
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return result;
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}
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result.reload = true;
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result.json = "{\"reload\":1}";
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return result;
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}
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WiFiConnectResult WiFiService::connectWithParams(const WiFiConnectParams& params) {
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WiFiConnectResult result;
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if (strlen(params.creds.ssid)) {
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setTaskWdt(params.wdtLongTimeout);
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WiFi.mode(WIFI_AP_STA);
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if (!params.dhcp) {
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log_info("Manual config WiFi connection with IP: %s", params.creds.local_ip.toString().c_str());
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bool hasDns1 = params.creds.dns1 != IPAddress(0, 0, 0, 0);
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bool hasDns2 = params.creds.dns2 != IPAddress(0, 0, 0, 0);
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bool ok = false;
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if (hasDns1 && hasDns2) {
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ok = WiFi.config(params.creds.local_ip, params.creds.gateway, params.creds.subnet, params.creds.dns1, params.creds.dns2);
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} else if (hasDns1) {
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ok = WiFi.config(params.creds.local_ip, params.creds.gateway, params.creds.subnet, params.creds.dns1);
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} else {
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ok = WiFi.config(params.creds.local_ip, params.creds.gateway, params.creds.subnet);
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}
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if (!ok) {
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log_error("STA Failed to configure");
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}
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}
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DBG_OUTPUT_PORT.print("\n\n\nConnecting to ");
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DBG_OUTPUT_PORT.println(params.creds.ssid);
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WiFi.begin(params.creds.ssid, params.password.c_str());
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uint32_t beginTime = millis();
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while (WiFi.status() != WL_CONNECTED) {
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delay(250);
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DBG_OUTPUT_PORT.print("*");
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#if defined(ESP8266)
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ESP.wdtFeed();
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#else
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resetTaskWdtIfSubscribed();
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#endif
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if (millis() - beginTime > params.timeout) {
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result.status = 408;
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result.body = "<br><br>Connection timeout!<br>Check password or try to restart ESP.";
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setTaskWdt(params.wdtTimeout);
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return result;
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}
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}
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if (WiFi.status() == WL_CONNECTED) {
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result.ip = WiFi.localIP();
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result.connected = true;
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// Debug: print the actual STA configuration as seen by the core
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logCurrentStaNetworkConfig();
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DBG_OUTPUT_PORT.print("\nConnected to ");
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DBG_OUTPUT_PORT.print(params.creds.ssid);
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DBG_OUTPUT_PORT.print(". IP address: ");
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DBG_OUTPUT_PORT.println(result.ip);
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String serverLoc = F("http://");
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for (int i = 0; i < 4; i++) {
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if (i) serverLoc += ".";
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serverLoc += result.ip[i];
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}
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serverLoc += "/setup";
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String resp;
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resp = "ESP successfully connected to ";
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resp += params.creds.ssid;
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resp += " WiFi network.";
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if (params.fromApClient) {
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// Case 1: request came from a client connected to the ESP AP.
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// We stay in WIFI_AP_STA, so we can still deliver this page over the AP and then let the user switch WiFi.
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resp += " <br><br><i>Note:<br>Disconnect your browser from ESP's access point and connect it to the new WiFi network.<br><br>IP address <a href='";
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resp += serverLoc;
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resp += "'>";
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resp += serverLoc;
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resp += "</a><br> Hostname <a href='http://";
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resp += params.host;
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resp += ".local/setup'>http://";
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resp += params.host;
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resp += ".local/setup</a></i><br><p style='text-align: center'>Do you want to proceed with a ESP restart right now?</p><div id='action-restart-required'></div>";
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} else {
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// Case 2: request came from a client already on the same WiFi as the ESP (pure SSID switch).
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// After the switch this page will no longer reach the device until the client changes WiFi as well.
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resp += " <br><br><i>Note:<br>This setup page may stop communicating with the device due to the WiFi network change.<br>After you switch your PC/phone to the new WiFi network, open <a href='http://";
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resp += params.host;
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resp += ".local'>http://";
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resp += params.host;
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resp += ".local</a> (or the new IP: ";
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resp += result.ip.toString();
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resp += ") to reach the ESP again.</i><br><p style='text-align: center'>Do you want to proceed with a ESP restart right now?</p><div id='action-restart-required'></div>";
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}
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result.status = 200;
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result.body = resp;
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setTaskWdt(params.wdtTimeout);
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return result;
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}
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}
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setTaskWdt(params.wdtTimeout);
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result.status = 401;
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result.body = "Wrong credentials provided";
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return result;
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}
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WiFiStartResult WiFiService::startWiFi(CredentialManager* credentialManager, fs::FS* filesystem, const char* configFile, uint32_t timeout) {
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WiFiStartResult result;
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WiFi.mode(WIFI_STA);
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WiFiCredential* bestCred = nullptr;
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if (credentialManager) {
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#ifdef ESP32
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credentialManager->loadFromNVS();
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#else
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credentialManager->loadFromFS();
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#endif
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std::vector<WiFiCredential>* creds = credentialManager->getCredentials();
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if (creds && creds->size() > 0) {
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int networksFound = WiFi.scanNetworks();
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if (networksFound > 0) {
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int32_t bestRSSI = -200;
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for (int i = 0; i < networksFound; i++) {
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String scannedSSID = WiFi.SSID(i);
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int32_t scannedRSSI = WiFi.RSSI(i);
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for (size_t j = 0; j < creds->size(); j++) {
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if (strcmp((*creds)[j].ssid, scannedSSID.c_str()) == 0) {
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if (scannedRSSI > bestRSSI) {
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bestRSSI = scannedRSSI;
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bestCred = &(*creds)[j];
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}
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break;
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}
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}
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}
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WiFi.scanDelete();
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if (bestCred != nullptr) {
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if (bestCred->local_ip != IPAddress(0, 0, 0, 0)) {
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log_info("Configuring static IP: %s, GW: %s, SN: %s",
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bestCred->local_ip.toString().c_str(),
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bestCred->gateway.toString().c_str(),
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bestCred->subnet.toString().c_str());
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IPAddress dns1 = bestCred->dns1;
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IPAddress dns2 = bestCred->dns2;
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bool hasDns1 = dns1 != IPAddress(0, 0, 0, 0);
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bool hasDns2 = dns2 != IPAddress(0, 0, 0, 0);
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bool ok = false;
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if (hasDns1 && hasDns2) {
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ok = WiFi.config(bestCred->local_ip, bestCred->gateway, bestCred->subnet, dns1, dns2);
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} else if (hasDns1) {
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ok = WiFi.config(bestCred->local_ip, bestCred->gateway, bestCred->subnet, dns1);
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} else {
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ok = WiFi.config(bestCred->local_ip, bestCred->gateway, bestCred->subnet);
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}
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if (!ok) {
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log_error("Failed to configure static IP");
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}
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}
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if (credentialManager->getPassword(bestCred->ssid).length() > 0) {
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log_info("Connecting to %s (RSSI: %d dBm)...", bestCred->ssid, bestRSSI);
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WiFi.begin(bestCred->ssid, credentialManager->getPassword(bestCred->ssid).c_str());
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int tryDelay = timeout / 10;
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int numberOfTries = 10;
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while (numberOfTries > 0) {
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switch (WiFi.status()) {
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case WL_NO_SSID_AVAIL: log_debug("[WiFi] SSID not found"); break;
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case WL_CONNECTION_LOST: log_debug("[WiFi] Connection was lost"); break;
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case WL_SCAN_COMPLETED: log_debug("[WiFi] Scan is completed"); break;
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case WL_DISCONNECTED: log_debug("[WiFi] WiFi is disconnected"); break;
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case WL_CONNECT_FAILED:
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log_debug("[WiFi] Failed - WiFi not connected!");
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result.action = WiFiStartAction::StartAp;
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return result;
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case WL_CONNECTED:
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log_debug("[WiFi] WiFi is connected! IP address: %s", WiFi.localIP().toString().c_str());
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// Debug: print the actual STA configuration as seen by the core
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284 |
logCurrentStaNetworkConfig();
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285 |
result.ip = WiFi.localIP();
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286 |
result.action = WiFiStartAction::Connected;
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return result;
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default:
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289 |
log_debug("[WiFi] WiFi Status: %d", WiFi.status());
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290 |
break;
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}
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292 |
delay(tryDelay);
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293 |
#if defined(ESP8266)
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294 |
ESP.wdtFeed();
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295 |
#else
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resetTaskWdtIfSubscribed();
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297 |
#endif
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298 |
numberOfTries--;
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299 |
}
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300 |
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301 |
log_debug("[WiFi] Failed to connect to WiFi!");
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302 |
WiFi.disconnect();
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303 |
result.action = WiFiStartAction::StartAp;
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return result;
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}
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}
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}
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308 |
result.action = WiFiStartAction::StartAp;
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return result;
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}
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311 |
}
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312 |
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313 |
if (bestCred && strlen(bestCred->ssid)) {
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314 |
WiFi.setHostname(credentialManager->getHostname().c_str());
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315 |
WiFi.begin(bestCred->ssid, credentialManager->getPassword(bestCred->ssid).c_str());
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316 |
log_debug("Connecting to %s", bestCred->ssid);
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317 |
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int tryDelay = timeout / 10;
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319 |
int numberOfTries = 10;
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320 |
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321 |
while (true) {
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322 |
switch (WiFi.status()) {
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323 |
case WL_NO_SSID_AVAIL: log_debug("[WiFi] SSID not found"); break;
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324 |
case WL_CONNECTION_LOST: log_debug("[WiFi] Connection was lost"); break;
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325 |
case WL_SCAN_COMPLETED: log_debug("[WiFi] Scan is completed"); break;
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326 |
case WL_DISCONNECTED: log_debug("[WiFi] WiFi is disconnected"); break;
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327 |
case WL_CONNECT_FAILED:
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328 |
log_debug("[WiFi] Failed - WiFi not connected!");
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329 |
result.action = WiFiStartAction::Failed;
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330 |
return result;
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331 |
case WL_CONNECTED:
|
|
|
332 |
log_debug("[WiFi] WiFi is connected! IP address: %s", WiFi.localIP().toString().c_str());
|
|
|
333 |
// Debug: print the actual STA configuration as seen by the core
|
|
|
334 |
logCurrentStaNetworkConfig();
|
|
|
335 |
result.ip = WiFi.localIP();
|
|
|
336 |
result.action = WiFiStartAction::Connected;
|
|
|
337 |
return result;
|
|
|
338 |
default:
|
|
|
339 |
log_debug("[WiFi] WiFi Status: %d", WiFi.status());
|
|
|
340 |
break;
|
|
|
341 |
}
|
|
|
342 |
delay(tryDelay);
|
|
|
343 |
#if defined(ESP8266)
|
|
|
344 |
ESP.wdtFeed();
|
|
|
345 |
#else
|
|
|
346 |
resetTaskWdtIfSubscribed();
|
|
|
347 |
#endif
|
|
|
348 |
if (numberOfTries <= 0) {
|
|
|
349 |
log_debug("[WiFi] Failed to connect to WiFi!");
|
|
|
350 |
WiFi.disconnect();
|
|
|
351 |
result.action = WiFiStartAction::Failed;
|
|
|
352 |
return result;
|
|
|
353 |
}
|
|
|
354 |
else {
|
|
|
355 |
numberOfTries--;
|
|
|
356 |
}
|
|
|
357 |
}
|
|
|
358 |
}
|
|
|
359 |
|
|
|
360 |
result.action = WiFiStartAction::StartAp;
|
|
|
361 |
return result;
|
|
|
362 |
}
|
|
|
363 |
|
|
|
364 |
|
|
|
365 |
bool WiFiService::startAccessPoint(WiFiConnectParams& params, IPAddress& outIp) {
|
|
|
366 |
delay(100);
|
|
|
367 |
WiFi.mode(WIFI_AP);
|
|
|
368 |
|
|
|
369 |
IPAddress apIP = params.creds.local_ip != IPAddress(0,0,0,0) ? params.creds.local_ip : IPAddress(192, 168, 4, 1);
|
|
|
370 |
IPAddress gateway = params.creds.gateway != IPAddress(0,0,0,0) ? params.creds.gateway : IPAddress(192, 168, 4, 1);
|
|
|
371 |
IPAddress netmask = params.creds.subnet != IPAddress(0,0,0,0) ? params.creds.subnet : IPAddress(255, 255, 255, 0);
|
|
|
372 |
|
|
|
373 |
// Configure AP IP parameters
|
|
|
374 |
WiFi.softAPConfig(apIP, gateway, netmask);
|
|
|
375 |
|
|
|
376 |
if (!WiFi.softAP(params.creds.ssid, params.password.c_str())) {
|
|
|
377 |
log_error("Captive portal failed to start: WiFi.softAP() failed!");
|
|
|
378 |
return false;
|
|
|
379 |
}
|
|
|
380 |
outIp = WiFi.softAPIP();
|
|
|
381 |
return true;
|
|
|
382 |
}
|
|
|
383 |
|
|
|
384 |
bool WiFiService::startMDNSResponder(DNSServer*& dnsServer, const String& host, uint16_t port, const IPAddress& serverIp) {
|
|
|
385 |
if (dnsServer) {
|
|
|
386 |
delete dnsServer;
|
|
|
387 |
dnsServer = nullptr;
|
|
|
388 |
}
|
|
|
389 |
dnsServer = new DNSServer();
|
|
|
390 |
dnsServer->setErrorReplyCode(DNSReplyCode::NoError);
|
|
|
391 |
if (!dnsServer->start(53, "*", serverIp)) {
|
|
|
392 |
log_error("Captive portal failed to start: no sockets for DNS server available!");
|
|
|
393 |
return false;
|
|
|
394 |
}
|
|
|
395 |
|
|
|
396 |
if (!MDNS.begin(host.c_str())) {
|
|
|
397 |
log_error("MDNS responder not started");
|
|
|
398 |
return false;
|
|
|
399 |
} else {
|
|
|
400 |
log_debug("MDNS responder started %s (AP mode)", host.c_str());
|
|
|
401 |
MDNS.addService("http", "tcp", port);
|
|
|
402 |
MDNS.setInstanceName("esp-fs-webserver");
|
|
|
403 |
}
|
|
|
404 |
return true;
|
|
|
405 |
}
|
|
|
406 |
|
|
|
407 |
bool WiFiService::startMDNSOnly(const String& host, uint16_t port) {
|
|
|
408 |
if (!MDNS.begin(host.c_str())) {
|
|
|
409 |
log_error("MDNS responder not started");
|
|
|
410 |
return false;
|
|
|
411 |
}
|
|
|
412 |
|
|
|
413 |
log_debug("MDNS responder started %s (STA mode)", host.c_str());
|
|
|
414 |
MDNS.addService("http", "tcp", port);
|
|
|
415 |
MDNS.setInstanceName("esp-fs-webserver");
|
|
|
416 |
return true;
|
|
|
417 |
}
|