esp8266-react-framework/lib/framework/WiFiSettingsService.cpp
rjwats 0d39c5ca00
Apply updates alternative (#135)
* Rename "serialize" and "deserialize" functions to "read" and "update" to reflect API in StatefulService
* Move new definitions to StatefulService.h so it is obvious it is not general purpose
* Update README
2020-05-29 20:18:43 +01:00

101 lines
3.5 KiB
C++

#include <WiFiSettingsService.h>
WiFiSettingsService::WiFiSettingsService(AsyncWebServer* server, FS* fs, SecurityManager* securityManager) :
_httpEndpoint(WiFiSettings::read, WiFiSettings::update, this, server, WIFI_SETTINGS_SERVICE_PATH, securityManager),
_fsPersistence(WiFiSettings::read, WiFiSettings::update, this, fs, WIFI_SETTINGS_FILE),
_lastConnectionAttempt(0) {
// We want the device to come up in opmode=0 (WIFI_OFF), when erasing the flash this is not the default.
// If needed, we save opmode=0 before disabling persistence so the device boots with WiFi disabled in the future.
if (WiFi.getMode() != WIFI_OFF) {
WiFi.mode(WIFI_OFF);
}
// Disable WiFi config persistance and auto reconnect
WiFi.persistent(false);
WiFi.setAutoReconnect(false);
#ifdef ESP32
// Init the wifi driver on ESP32
WiFi.mode(WIFI_MODE_MAX);
WiFi.mode(WIFI_MODE_NULL);
WiFi.onEvent(
std::bind(&WiFiSettingsService::onStationModeDisconnected, this, std::placeholders::_1, std::placeholders::_2),
WiFiEvent_t::SYSTEM_EVENT_STA_DISCONNECTED);
WiFi.onEvent(std::bind(&WiFiSettingsService::onStationModeStop, this, std::placeholders::_1, std::placeholders::_2),
WiFiEvent_t::SYSTEM_EVENT_STA_STOP);
#elif defined(ESP8266)
_onStationModeDisconnectedHandler = WiFi.onStationModeDisconnected(
std::bind(&WiFiSettingsService::onStationModeDisconnected, this, std::placeholders::_1));
#endif
addUpdateHandler([&](const String& originId) { reconfigureWiFiConnection(); }, false);
}
void WiFiSettingsService::begin() {
_fsPersistence.readFromFS();
reconfigureWiFiConnection();
}
void WiFiSettingsService::reconfigureWiFiConnection() {
// reset last connection attempt to force loop to reconnect immediately
_lastConnectionAttempt = 0;
// disconnect and de-configure wifi
#ifdef ESP32
if (WiFi.disconnect(true)) {
_stopping = true;
}
#elif defined(ESP8266)
WiFi.disconnect(true);
#endif
}
void WiFiSettingsService::loop() {
unsigned long currentMillis = millis();
if (!_lastConnectionAttempt || (unsigned long)(currentMillis - _lastConnectionAttempt) >= WIFI_RECONNECTION_DELAY) {
_lastConnectionAttempt = currentMillis;
manageSTA();
}
}
void WiFiSettingsService::manageSTA() {
// Abort if already connected, or if we have no SSID
if (WiFi.isConnected() || _state.ssid.length() == 0) {
return;
}
// Connect or reconnect as required
if ((WiFi.getMode() & WIFI_STA) == 0) {
Serial.println(F("Connecting to WiFi."));
if (_state.staticIPConfig) {
// configure for static IP
WiFi.config(_state.localIP, _state.gatewayIP, _state.subnetMask, _state.dnsIP1, _state.dnsIP2);
} else {
// configure for DHCP
#ifdef ESP32
WiFi.config(INADDR_NONE, INADDR_NONE, INADDR_NONE);
WiFi.setHostname(_state.hostname.c_str());
#elif defined(ESP8266)
WiFi.config(INADDR_ANY, INADDR_ANY, INADDR_ANY);
WiFi.hostname(_state.hostname);
#endif
}
// attempt to connect to the network
WiFi.begin(_state.ssid.c_str(), _state.password.c_str());
}
}
#ifdef ESP32
void WiFiSettingsService::onStationModeDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
WiFi.disconnect(true);
}
void WiFiSettingsService::onStationModeStop(WiFiEvent_t event, WiFiEventInfo_t info) {
if (_stopping) {
_lastConnectionAttempt = 0;
_stopping = false;
}
}
#elif defined(ESP8266)
void WiFiSettingsService::onStationModeDisconnected(const WiFiEventStationModeDisconnected& event) {
WiFi.disconnect(true);
}
#endif