private fork
Fork of GSwifiInterface by
Socket/TCPSocketConnection.cpp
- Committer:
- okini3939
- Date:
- 2014-06-06
- Revision:
- 22:2085f090fe31
- Parent:
- 11:71d67fea5ace
File content as of revision 22:2085f090fe31:
/* Copyright (C) 2012 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without restriction, * including without limitation the rights to use, copy, modify, merge, publish, distribute, * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* Copyright (C) 2013 gsfan, MIT License * port to the GainSpan Wi-FI module GS1011 */ #include "TCPSocketConnection.h" #include <algorithm> TCPSocketConnection::TCPSocketConnection() {} int TCPSocketConnection::connect(const char* host, const int port) { if (set_address(host, port) != 0) return -1; _server = false; _cid = _wifi->open(GSwifi::PROTO_TCP, get_address(), get_port()); if (_cid < 0) return -1; return 0; } bool TCPSocketConnection::is_connected(void) { bool _is_connected = _wifi->isConnected(_cid); if (!_is_connected) _cid = -1; return _is_connected; } int TCPSocketConnection::send(char* data, int length) { if (_cid < 0 || !is_connected()) return -1; // TCP Client/Server return _wifi->send(_cid, data, length); } // -1 if unsuccessful, else number of bytes written int TCPSocketConnection::send_all(char* data, int length) { Timer tmr; int idx = 0; if (_cid < 0 || !is_connected()) return -1; tmr.start(); // TCP Client/Server while ((tmr.read_ms() < _timeout) || _blocking) { idx += _wifi->send(_cid, &data[idx], length - idx); if (idx < 0) return -1; if (idx == length) return idx; } return (idx == 0) ? -1 : idx; } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive(char* data, int length) { Timer tmr; int time = -1; if (_cid < 0 || !is_connected()) return -1; if (_blocking) { tmr.start(); while (time < _timeout + 20) { if (_wifi->readable(_cid)) { DBG("receive readable"); break; } time = tmr.read_ms(); } if (time >= _timeout + 20) { DBG("receive timeout"); return 0; } } int nb_available = _wifi->recv(_cid, data, length); return nb_available; } // -1 if unsuccessful, else number of bytes received int TCPSocketConnection::receive_all(char* data, int length) { Timer tmr; int idx = 0; int time = -1; if (_cid < 0 || !is_connected()) return -1; tmr.start(); while (time < _timeout || _blocking) { idx += _wifi->recv(_cid, &data[idx], length - idx); if (idx < 0) return -1; if (idx == length) break; time = tmr.read_ms(); } return (idx == 0) ? -1 : idx; } void TCPSocketConnection::acceptCID (int cid) { char *ip; int port; _server = true; _cid = cid; if (!_wifi->getRemote(_cid, &ip, &port)) { set_address(ip, port); } }