TCPSocketServer.cpp

00001 /*
00002  * Copyright (C) 2013 gsfan, MIT License
00003  *
00004  * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
00005  * and associated documentation files (the "Software"), to deal in the Software without restriction,
00006  * including without limitation the rights to use, copy, modify, merge, publish, distribute,
00007  * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
00008  * furnished to do so, subject to the following conditions:
00009  *
00010  * The above copyright notice and this permission notice shall be included in all copies or
00011  * substantial portions of the Software.
00012  *
00013  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
00014  * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00015  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
00016  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00017  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00018  */
00019 /* Copyright (C) 2014 Wiznet, MIT License
00020  *  port to the Wiznet Module WizFi250
00021  */
00022 /* Copyright (C) 2017 Wiznet, MIT License
00023  *  port to the Wiznet Module WizFi310
00024  */
00025 
00026 #include "TCPSocketServer.h"
00027 #include <string>
00028 
00029 TCPSocketServer::TCPSocketServer() {}
00030 
00031 // Server initialization
00032 int TCPSocketServer::bind(int port) {
00033 
00034     _port = port;
00035     return 0;
00036 }
00037 
00038 int TCPSocketServer::listen(int backlog) {
00039     _server = true;
00040     if (_cid < 0) {
00041         // Socket open
00042         _server = false;
00043         _cid = _wizfi310->listen(WizFi310::PROTO_TCP, _port);
00044 
00045         //WIZ_DBG("TEST CID : %d",_cid);
00046         if (_cid < 0) return -1;
00047     }
00048 
00049     if (backlog != 1)
00050         return -1;
00051     return 0;
00052 }
00053 
00054 
00055 int TCPSocketServer::accept(TCPSocketConnection& connection) {
00056     int acid = -1;
00057 
00058     while (1) {
00059         while (acid < 0) {
00060             acid = _wizfi310->accept(_cid);
00061         }
00062 
00063         if (acid >= 0) {
00064             connection.acceptCID(acid);
00065             return 0;
00066         }
00067     }
00068     return -1;
00069 }