Do not (prepare and) emit to socket if no clients

Likely cause of slow down (buffer overflow?)

Author: ewowi

lib/framework/AnalyticsService.h

@@ -34,6 +34,8 @@ class AnalyticsService
 
     void loop()
     {
+        if (!_socket->getConnectedClients()) return; 
+
         if (millis() - lastMillis > ANALYTICS_INTERVAL)
         {
             lastMillis = millis();

lib/framework/BatteryService.cpp

@@ -46,6 +46,8 @@ void BatteryService::begin()
 
 void BatteryService::batteryEvent()
 {
+    if (!_socket->getConnectedClients()) return; 
+
     JsonDocument doc;
     doc["soc"] = _lastSOC;
     doc["charging"] = _isCharging;

lib/framework/EventEndpoint.h

@@ -60,6 +60,8 @@ class EventEndpoint
 
     void syncState(const String &originId, bool sync = false)
     {
+        if (!_socket->getConnectedClients()) return; 
+
         JsonDocument jsonDocument;
         JsonObject root = jsonDocument.to<JsonObject>();
         _statefulService->read(root, _stateReader);

lib/framework/NotificationService.cpp

@@ -14,6 +14,8 @@ void NotificationService::begin()
 
 void NotificationService::pushNotification(String message, pushType event)
 {
+    if (!_eventSocket->getConnectedClients()) return; 
+    
     JsonDocument doc;
     doc["type"] = pushTypeStrings[event];
     doc["message"] = message;

lib/framework/WiFiSettingsService.cpp

@@ -240,6 +240,8 @@ void WiFiSettingsService::configureNetwork(wifi_settings_t &network)
 
 void WiFiSettingsService::updateRSSI()
 {
+    if (!_socket->getConnectedClients()) return; 
+
     JsonDocument doc;
     doc["rssi"] = WiFi.RSSI();
     doc["ssid"] = WiFi.isConnected() ? WiFi.SSID() : "disconnected";