WiFiServer modernization (#1871)

libraries/WebServer/src/WebServerTemplate.h

@@ -90,7 +90,7 @@ void WebServerTemplate<ServerType, DefaultPort>::handleClient() {
             _currentClient = nullptr;
         }
 
-        _currentClient = new ClientType(_server.available());
+        _currentClient = new ClientType(_server.accept());
         if (!_currentClient) {
             if (_nullDelay) {
                 delay(1);

libraries/WiFi/examples/WiFiServer/WiFiServer.ino

@@ -34,7 +34,7 @@ void loop() {
   delay(1000);
   Serial.printf("--loop %d\n", ++i);
   delay(10);
-  WiFiClient client = server.available();
+  WiFiClient client = server.accept();
   if (!client) {
     return;
   }

libraries/WiFi/src/WiFiServer.cpp

@@ -163,10 +163,18 @@ void WiFiServer::close() {
     _listen_pcb = nullptr;
 }
 
+void WiFiServer::end() {
+    close();
+}
+
 void WiFiServer::stop() {
     close();
 }
 
+WiFiServer::operator bool() {
+    return (status() != CLOSED);
+}
+
 template<typename T>
 T* slist_append_tail(T* head, T* item) {
     if (!head) {

libraries/WiFi/src/WiFiServer.h

@@ -75,10 +75,10 @@ protected:
 
 public:
     WiFiServer(const IPAddress& addr, uint16_t port);
-    WiFiServer(uint16_t port);
+    WiFiServer(uint16_t port = 23);
     virtual ~WiFiServer() {}
     WiFiClient accept(); // https://www.arduino.cc/en/Reference/EthernetServerAccept
-    WiFiClient available(uint8_t* status = nullptr);
+    WiFiClient available(uint8_t* status = nullptr) __attribute__((deprecated("Use accept().")));
 
     bool hasClient();
     // hasClientData():
@@ -95,8 +95,10 @@ public:
     bool getNoDelay();
     uint8_t status();
     uint16_t port() const;
+    void end();
     void close();
     void stop();
+    explicit operator bool();
 
     using ClientType = WiFiClient;
 

libraries/WiFi/src/WiFiServerSecureBearSSL.h

@@ -31,7 +31,7 @@ class WiFiClientSecure;
 class WiFiServerSecure : public WiFiServer {
 public:
     WiFiServerSecure(IPAddress addr, uint16_t port);
-    WiFiServerSecure(uint16_t port);
+    WiFiServerSecure(uint16_t port = 22);
     WiFiServerSecure(const WiFiServerSecure &rhs);
     virtual ~WiFiServerSecure();
 
@@ -65,7 +65,7 @@ public:
 
     // If awaiting connection available and authenticated (i.e. client cert), return it.
     WiFiClientSecure accept(); // https://www.arduino.cc/en/Reference/EthernetServerAccept
-    WiFiClientSecure available(uint8_t* status = nullptr);
+    WiFiClientSecure available(uint8_t* status = nullptr) __attribute__((deprecated("Use accept().")));
 
     WiFiServerSecure& operator=(const WiFiServerSecure&) = default;