GSwifiInterface library (interface for GainSpan Wi-Fi GS1011 modules) Please see https://mbed.org/users/gsfan/notebook/GSwifiInterface/

Dependents:   GSwifiInterface_HelloWorld GSwifiInterface_HelloServo GSwifiInterface_UDPEchoServer GSwifiInterface_UDPEchoClient ... more

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Show/hide line numbers TCPSocketServer.cpp Source File

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) 2013 gsfan, MIT License
00019  *  port to the GainSpan Wi-FI module GS1011
00020  */
00021 
00022 #include "TCPSocketServer.h"
00023 #include <string>
00024 
00025 TCPSocketServer::TCPSocketServer() {}
00026 
00027 // Server initialization
00028 int TCPSocketServer::bind(int port) {
00029     _port = port;
00030     return 0;
00031 }
00032 
00033 int TCPSocketServer::listen(int backlog) {
00034     _server = true;
00035     if (_cid < 0) {
00036         // Socket open
00037         _server = false;
00038         _cid = _wifi->listen(GSwifi::PROTO_TCP, _port);
00039         if (_cid < 0) return -1;
00040     }
00041 
00042     if (backlog != 1)
00043         return -1;
00044     return 0;
00045 }
00046 
00047 
00048 int TCPSocketServer::accept(TCPSocketConnection& connection) {
00049     int acid = -1;
00050     while (1) {
00051         while (acid < 0) {
00052             acid = _wifi->accept(_cid);
00053         }
00054         if (acid >= 0) {
00055             connection.acceptCID(acid);
00056             return 0;
00057         }
00058     }
00059     return -1;
00060 }