Reset wifi and socket once per day

include/controller.h

@@ -20,6 +20,8 @@ struct WifiConfiguration {
 
     // The interval to reconnect to WiFi if the connection is broken
     uint32_t reconnectInterval;
+
+    uint32_t periodicReconnectInterval;
 };
 
 struct KeyConfiguration {
@@ -76,4 +78,6 @@ private:
     void prepareResponseBuffer(SesameEvent event, uint8_t deviceId = 0);
     void sendPreparedLocalResponse(AsyncWebServerRequest *request);
     void sendPreparedServerResponse();
+
+    void periodicallyReconnectWifiAndSocket(uint32_t millis);
 };

include/example_config.h

@@ -49,6 +49,9 @@ constexpr const char* networkName = "Sesame-Device";
 // The interval to reconnect to WiFi if the connection is broken
 constexpr uint32_t wifiReconnectInterval = 10000;
 
+// The interval to reconnect to WiFi if the connection is broken
+constexpr uint32_t wifiPeriodicReconnectInterval = 86400;
+
 /* Local server */
 
 // The port for the local server to directly receive messages over WiFi

src/controller.cpp

@@ -46,6 +46,7 @@ void SesameController::loop(uint32_t millis) {
     server.loop();
     servo.loop(millis);
 
+    periodicallyReconnectWifiAndSocket(millis);
     ensureWiFiConnection(millis);
     ensureWebSocketConnection();
 }
@@ -213,4 +214,14 @@ bool SesameController::convertHexMessageToBinary(const char* str) {
         receivedMessageBuffer[pos/2] = (uint8_t)(hashmap[idx0] << 4) | hashmap[idx1];
     };
     return true;
+}
+
+void SesameController::periodicallyReconnectWifiAndSocket(uint32_t millis) {
+    static uint32_t nextWifiReconnect = wifiConfig.periodicReconnectInterval;
+    if (millis > nextWifiReconnect) {
+        nextWifiReconnect += wifiConfig.periodicReconnectInterval;
+
+        server.disconnect();
+        WiFi.disconnect();
+    }
 }

src/main.cpp

@@ -49,6 +49,7 @@ void setup() {
         .password = wifiPassword,
         .networkName = networkName,
         .reconnectInterval = wifiReconnectInterval,
+        .periodicReconnectInterval = wifiPeriodicReconnectInterval,
     };
 
     KeyConfiguration keyConfig {