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