TCPSocketServer.cpp

00001 /* Copyright (C) 2012 mbed.org, MIT License
00002  *
00003  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00004  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00005  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00006  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00007  * furnished to do so, subject to the following conditions:
00008  *
00009  * The above copyright notice and this permission notice shall be included in all copies or
00010  * substantial portions of the Software.
00011  *
00012  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00013  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00014  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00015  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00016  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00017  */
00018 /* Copyright (C) 2014 Wiznet, MIT License
00019  *  port to the Wiznet Module WizFi250
00020  */
00021 
00022 #include "TCPSocketServer.h"
00023 #include <string>
00024 
00025 TCPSocketServer::TCPSocketServer() {}
00026 
00027 // Server initialization
00028 int TCPSocketServer::bind(int port) {
00029 
00030     _port = port;
00031     return 0;
00032 }
00033 
00034 int TCPSocketServer::listen(int backlog) {
00035     _server = true;
00036     if (_cid < 0) {
00037         // Socket open
00038         _server = false;
00039         _cid = _wizfi250->listen(WizFi250::PROTO_TCP, _port);
00040 
00041         //WIZ_DBG("TEST CID : %d",_cid);
00042         if (_cid < 0) return -1;
00043     }
00044 
00045     if (backlog != 1)
00046         return -1;
00047     return 0;
00048 }
00049 
00050 
00051 int TCPSocketServer::accept(TCPSocketConnection& connection) {
00052     int acid = -1;
00053 
00054     while (1) {
00055         while (acid < 0) {
00056             acid = _wizfi250->accept(_cid);
00057         }
00058 
00059         if (acid >= 0) {
00060             connection.acceptCID(acid);
00061             return 0;
00062         }
00063     }
00064     return -1;
00065 }