TCPSocketServer.cpp

00001 /* Copyright (C) 2013 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 
00019 #include "TCPSocketServer.h"
00020 #include <string>
00021 
00022 TCPSocketServer::TCPSocketServer() {
00023 
00024 }
00025 
00026 int TCPSocketServer::bind(int port) {
00027     if (init_socket(SOCK_STREAM, IPPROTO_TCP) < 0) {
00028         return -1;
00029     }
00030 
00031     sockaddr_in localHost;
00032     memset(&localHost, 0, sizeof(localHost));
00033 
00034     localHost.sin_family = AF_INET;
00035     localHost.sin_port = htons(port);
00036     localHost.sin_addr.s_addr = 0;
00037 
00038     if (_cc3000_module->_socket.bind(_sock_fd, (const sockaddr *)&localHost, sizeof(localHost)) < 0) {
00039         close();
00040         return -1;
00041     }
00042 
00043     return 0;
00044 }
00045 
00046 int TCPSocketServer::listen(int max) {
00047     if (_sock_fd < 0) {
00048         return -1;
00049     }
00050 
00051     if (_cc3000_module->_socket.listen(_sock_fd, max) < 0) {
00052         close();
00053         return -1;
00054     }
00055 
00056     return 0;
00057 }
00058 
00059 
00060 int TCPSocketServer::accept(TCPSocketConnection& connection) {
00061     if (_sock_fd < 0) {
00062         return -1;
00063     }
00064 
00065     if (!_blocking) {
00066         TimeInterval timeout(_timeout);
00067         if (wait_readable(timeout) != 0) {
00068             return -1;
00069         }
00070     }
00071 
00072     connection.reset_address();
00073     socklen_t newSockRemoteHostLen = sizeof(connection._remote_host);
00074     int fd = _cc3000_module->_socket.accept(_sock_fd, (sockaddr *) &connection._remote_host, &newSockRemoteHostLen);
00075     if (fd < 0) {
00076         return -1;
00077     }
00078     /* s_addr is returned in the little endian */
00079     connection._remote_host.sin_addr.s_addr = htonl(connection._remote_host.sin_addr.s_addr);
00080     connection._sock_fd = fd;
00081     connection._is_connected = true;
00082 
00083     return 0;
00084 }
00085