From 7d8c54e29ec27897e70b14e016cee614f473b30e Mon Sep 17 00:00:00 2001
From: Juraj Andrassy <juraj.andrassy@gmail.com>
Date: Sat, 8 Jan 2022 20:10:32 +0100
Subject: [PATCH] server.available() according to reference. with example

---
 examples/WiFiPagerServer/WiFiPagerServer.ino | 72 ++++++++++++++++++++
 examples/WiFiPagerServer/arduino_secrets.h   |  2 +
 src/WiFiServer.cpp                           |  6 +-
 3 files changed, 75 insertions(+), 5 deletions(-)
 create mode 100755 examples/WiFiPagerServer/WiFiPagerServer.ino
 create mode 100644 examples/WiFiPagerServer/arduino_secrets.h

diff --git a/examples/WiFiPagerServer/WiFiPagerServer.ino b/examples/WiFiPagerServer/WiFiPagerServer.ino
new file mode 100755
index 00000000..1f11cb5c
--- /dev/null
+++ b/examples/WiFiPagerServer/WiFiPagerServer.ino
@@ -0,0 +1,72 @@
+/*
+  Pager Server
+
+  The example is a simple server that echoes any incoming
+  messages to all connected clients. Connect two or more
+  telnet sessions to see how server.available() and
+  server.print() work.
+
+ Circuit:
+ * WiFi 101 Shield attached
+
+*/
+
+#include <WiFi101.h>
+
+#include "arduino_secrets.h"
+///////please enter your sensitive data in the Secret tab/arduino_secrets.h
+char ssid[] = SECRET_SSID;        // your network SSID (name)
+char pass[] = SECRET_PASS;    // your network password (use for WPA, or use as key for WEP)
+
+int status = WL_IDLE_STATUS;
+
+WiFiServer server(23);
+
+void setup() {
+
+  //Initialize serial and wait for port to open:
+  Serial.begin(9600);
+  while (!Serial) {
+    ; // wait for serial port to connect. Needed for native USB port only
+  }
+
+  // check for the WiFi module:
+  if (WiFi.status() == WL_NO_SHIELD) {
+    Serial.println("WiFi 101 Shield not present");
+    // don't continue
+    while (true);
+  }
+
+  // attempt to connect to WiFi network:
+  while (status != WL_CONNECTED) {
+    Serial.print("Attempting to connect to SSID: ");
+    Serial.println(ssid);
+    // Connect to WPA/WPA2 network. Change this line if using open or WEP network:
+    status = WiFi.begin(ssid, pass);
+
+    // wait 10 seconds for connection:
+    delay(10000);
+  }
+
+  server.begin();
+
+  IPAddress ip = WiFi.localIP();
+  Serial.println();
+  Serial.println("Connected to WiFi network.");
+  Serial.print("To access the server, connect with Telnet client to ");
+  Serial.print(ip);
+  Serial.println(" 23");
+}
+
+void loop() {
+
+  WiFiClient client = server.available(); // returns first client which has data to read or a 'false' client
+  if (client) { // client is true only if it is connected and has data to read
+    String s = client.readStringUntil('\n'); // read the message incoming from one of the clients
+    s.trim(); // trim eventual \r
+    Serial.println(s); // print the message to Serial Monitor
+    client.print("echo: "); // this is only for the sending client
+    server.println(s); // send the message to all connected clients
+    server.flush(); // flush the buffers
+  }
+}
diff --git a/examples/WiFiPagerServer/arduino_secrets.h b/examples/WiFiPagerServer/arduino_secrets.h
new file mode 100644
index 00000000..0c9fdd55
--- /dev/null
+++ b/examples/WiFiPagerServer/arduino_secrets.h
@@ -0,0 +1,2 @@
+#define SECRET_SSID ""
+#define SECRET_PASS ""
diff --git a/src/WiFiServer.cpp b/src/WiFiServer.cpp
index fa72ddca..469970ef 100644
--- a/src/WiFiServer.cpp
+++ b/src/WiFiServer.cpp
@@ -85,11 +85,7 @@ WiFiClient WiFiServer::available(uint8_t* status)
 	}
 
 	if (_socket != -1) {
-		SOCKET child = WiFiSocket.accepted(_socket);
-
-		if (child > -1) {
-			return WiFiClient(child);
-		}
+		WiFiSocket.accepted(_socket);
 
 		for (SOCKET s = 0; s < TCP_SOCK_MAX; s++) {
 			if (WiFiSocket.hasParent(_socket, s) && WiFiSocket.available(s)) {