add TCP_NODELAY control

libraries/ESP8266WiFi/src/WiFiServer.cpp

@@ -73,6 +73,17 @@ void WiFiServer::begin()
     tcp_arg(listen_pcb, (void*) this);
 }
 
+void WiFiServer::setNoDelay(bool nodelay){
+  if(!_pcb) return;
+  if(nodelay) tcp_nagle_disable(_pcb);
+  else tcp_nagle_enable(_pcb);
+}
+
+bool WiFiServer::getNoDelay(){
+  if(!_pcb) return false;
+  return tcp_nagle_disabled(_pcb);
+}
+
 extern "C" uint32_t esp_micros_at_task_start();
 
 bool WiFiServer::hasClient(){

libraries/ESP8266WiFi/src/WiFiServer.h

@@ -46,6 +46,8 @@ public:
   WiFiClient available(uint8_t* status = NULL);
   bool hasClient();
   void begin();
+  void setNoDelay(bool nodelay);
+  bool getNoDelay();
   virtual size_t write(uint8_t);
   virtual size_t write(const uint8_t *buf, size_t size);
   uint8_t status();

libraries/ESP8266WiFi/src/include/ClientContext.h

@@ -98,7 +98,18 @@ class ClientContext {
                 delete this;
             }
         }
-
+        
+        void setNoDelay(bool nodelay){
+          if(!_pcb) return;
+          if(nodelay) tcp_nagle_disable(_pcb);
+          else tcp_nagle_enable(_pcb);
+        }
+        
+        bool getNoDelay(){
+          if(!_pcb) return false;
+          return tcp_nagle_disabled(_pcb);
+        }
+        
         uint32_t getRemoteAddress() {
             if(!_pcb) return 0;