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WiFi/WiFiServer.cpp

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+/*
+  WiFiServer.cpp - Library for Arduino Wifi shield.
+  Copyright (c) 2011-2014 Arduino.  All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 of the License, or (at your option) any later version.
+
+  This library is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <string.h>
+#include "utility/server_drv.h"
+
+extern "C" {
+  #include "utility/debug.h"
+}
+
+#include "WiFi.h"
+#include "WiFiClient.h"
+#include "WiFiServer.h"
+
+WiFiServer::WiFiServer(uint16_t port)
+{
+    _port = port;
+}
+
+void WiFiServer::begin()
+{
+    uint8_t _sock = WiFiClass::getSocket();
+    if (_sock != NO_SOCKET_AVAIL)
+    {
+        ServerDrv::startServer(_port, _sock);
+        WiFiClass::_server_port[_sock] = _port;
+        WiFiClass::_state[_sock] = _sock;
+    }
+}
+
+WiFiClient WiFiServer::available(byte* status)
+{
+	static int cycle_server_down = 0;
+	const int TH_SERVER_DOWN = 50;
+
+    for (int sock = 0; sock < MAX_SOCK_NUM; sock++)
+    {
+        if (WiFiClass::_server_port[sock] == _port)
+        {
+        	WiFiClient client(sock);
+            uint8_t _status = client.status();
+            uint8_t _ser_status = this->status();
+
+            if (status != NULL)
+            	*status = _status;
+
+            //server not in listen state, restart it
+            if ((_ser_status == 0)&&(cycle_server_down++ > TH_SERVER_DOWN))
+            {
+            	ServerDrv::startServer(_port, sock);
+            	cycle_server_down = 0;
+            }
+
+            if (_status == ESTABLISHED)
+            {                
+                return client;  //TODO 
+            }
+        }
+    }
+
+    return WiFiClient(255);
+}
+
+uint8_t WiFiServer::status() {
+    return ServerDrv::getServerState(0);
+}
+
+
+size_t WiFiServer::write(uint8_t b)
+{
+    return write(&b, 1);
+}
+
+size_t WiFiServer::write(const uint8_t *buffer, size_t size)
+{
+	size_t n = 0;
+
+    for (int sock = 0; sock < MAX_SOCK_NUM; sock++)
+    {
+        if (WiFiClass::_server_port[sock] != 0)
+        {
+        	WiFiClient client(sock);
+
+            if (WiFiClass::_server_port[sock] == _port &&
+                client.status() == ESTABLISHED)
+            {                
+                n+=client.write(buffer, size);
+            }
+        }
+    }
+    return n;
+}