135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
#include <WiFiSettingsService.h>
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WiFiSettingsService::WiFiSettingsService(AsyncWebServer* server, FS* fs, SecurityManager* securityManager) : AdminSettingsService(server, fs, securityManager, WIFI_SETTINGS_SERVICE_PATH, WIFI_SETTINGS_FILE) {
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// Disable WiFi config persistance and auto reconnect
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WiFi.persistent(false);
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WiFi.setAutoReconnect(false);
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#if defined(ESP8266)
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_onStationModeDisconnectedHandler = WiFi.onStationModeDisconnected(std::bind(&WiFiSettingsService::onStationModeDisconnected, this, std::placeholders::_1));
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#elif defined(ESP_PLATFORM)
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// Init the wifi driver on ESP32
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WiFi.mode(WIFI_MODE_MAX);
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WiFi.mode(WIFI_MODE_NULL);
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WiFi.onEvent(std::bind(&WiFiSettingsService::onStationModeDisconnected, this, std::placeholders::_1, std::placeholders::_2), WiFiEvent_t::SYSTEM_EVENT_STA_DISCONNECTED);
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#endif
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}
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WiFiSettingsService::~WiFiSettingsService() {}
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void WiFiSettingsService::begin() {
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SettingsService::begin();
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reconfigureWiFiConnection();
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}
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void WiFiSettingsService::readFromJsonObject(JsonObject& root){
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_ssid = root["ssid"] | "";
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_password = root["password"] | "";
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_hostname = root["hostname"] | "";
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_staticIPConfig = root["static_ip_config"] | false;
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// extended settings
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readIP(root, "local_ip", _localIP);
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readIP(root, "gateway_ip", _gatewayIP);
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readIP(root, "subnet_mask", _subnetMask);
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readIP(root, "dns_ip_1", _dnsIP1);
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readIP(root, "dns_ip_2", _dnsIP2);
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// Swap around the dns servers if 2 is populated but 1 is not
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if (_dnsIP1 == INADDR_NONE && _dnsIP2 != INADDR_NONE){
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_dnsIP1 = _dnsIP2;
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_dnsIP2 = INADDR_NONE;
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}
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// Turning off static ip config if we don't meet the minimum requirements
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// of ipAddress, gateway and subnet. This may change to static ip only
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// as sensible defaults can be assumed for gateway and subnet
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if (_staticIPConfig && (_localIP == INADDR_NONE || _gatewayIP == INADDR_NONE || _subnetMask == INADDR_NONE)){
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_staticIPConfig = false;
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}
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}
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void WiFiSettingsService::writeToJsonObject(JsonObject& root){
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// connection settings
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root["ssid"] = _ssid;
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root["password"] = _password;
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root["hostname"] = _hostname;
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root["static_ip_config"] = _staticIPConfig;
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// extended settings
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writeIP(root, "local_ip", _localIP);
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writeIP(root, "gateway_ip", _gatewayIP);
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writeIP(root, "subnet_mask", _subnetMask);
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writeIP(root, "dns_ip_1", _dnsIP1);
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writeIP(root, "dns_ip_2", _dnsIP2);
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}
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void WiFiSettingsService::onConfigUpdated() {
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reconfigureWiFiConnection();
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}
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void WiFiSettingsService::reconfigureWiFiConnection() {
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// disconnect and de-configure wifi
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WiFi.disconnect(true);
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// reset last connection attempt to force loop to reconnect immediately
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_lastConnectionAttempt = 0;
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}
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void WiFiSettingsService::readIP(JsonObject& root, String key, IPAddress& _ip){
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if (!root[key].is<String>() || !_ip.fromString(root[key].as<String>())){
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_ip = INADDR_NONE;
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}
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}
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void WiFiSettingsService::writeIP(JsonObject& root, String key, IPAddress& _ip){
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if (_ip != INADDR_NONE){
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root[key] = _ip.toString();
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}
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}
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void WiFiSettingsService::loop() {
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unsigned long currentMillis = millis();
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if (!_lastConnectionAttempt || (unsigned long)(currentMillis - _lastConnectionAttempt) >= WIFI_RECONNECTION_DELAY) {
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_lastConnectionAttempt = currentMillis;
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manageSTA();
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}
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}
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void WiFiSettingsService::manageSTA() {
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// Abort if already connected, or if we have no SSID
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if (WiFi.isConnected() || _ssid.length() == 0) {
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return;
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}
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// Connect or reconnect as required
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if ((WiFi.getMode() & WIFI_STA) == 0) {
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Serial.println("Connecting to WiFi.");
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if (_staticIPConfig) {
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// configure for static IP
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WiFi.config(_localIP, _gatewayIP, _subnetMask, _dnsIP1, _dnsIP2);
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} else {
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// configure for DHCP
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#if defined(ESP8266)
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WiFi.config(INADDR_ANY, INADDR_ANY, INADDR_ANY);
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WiFi.hostname(_hostname);
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#elif defined(ESP_PLATFORM)
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WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);
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WiFi.setHostname(_hostname.c_str());
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#endif
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}
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// attempt to connect to the network
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WiFi.begin(_ssid.c_str(), _password.c_str());
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}
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}
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#if defined(ESP8266)
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void WiFiSettingsService::onStationModeDisconnected(const WiFiEventStationModeDisconnected& event) {
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WiFi.disconnect(true);
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}
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#elif defined(ESP_PLATFORM)
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void WiFiSettingsService::onStationModeDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
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WiFi.disconnect(true);
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}
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#endif
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