rhergr
Fork of WizFi310Interface_Legacy by
Socket/UDPSocket.cpp
- Committer:
- kaizen
- Date:
- 2017-04-19
- Revision:
- 0:774ff1e8b26b
File content as of revision 0:774ff1e8b26b:
/* * Copyright (C) 2013 gsfan, 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) 2014 Wiznet, MIT License * port to the Wiznet Module WizFi250 */ /* Copyright (C) 2017 Wiznet, MIT License * port to the Wiznet Module WizFi310 */ #include "UDPSocket.h" #include <string> #include <algorithm> UDPSocket::UDPSocket() { endpoint_connected = false; } int UDPSocket::init(void) { _server = false; return 0; } // Server initialization int UDPSocket::bind(int port) { if(port == 0) { _port = 5000; _server = false; } else { _port = port; _server = true; } return 0; } int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) { Timer tmr; int idx = 0; if (_cid < 0 && _wizfi310->isAssociated()) { if (_server) { _cid = _wizfi310->listen(WizFi310::PROTO_UDP, _port); } else { _cid = _wizfi310->open(WizFi310::PROTO_UDP, remote.get_address(), remote.get_port(), _port); } if (_cid < 0) return -1; } tmr.start(); while ((tmr.read_ms() < _timeout) || _blocking) { if(_server) { idx += _wizfi310->sendto(_cid, packet, length, remote.get_address(), remote.get_port()); } else { idx += _wizfi310->send(_cid, packet, length); } if (idx < 0) { if (!_wizfi310->isConnected(_cid)) _cid = -1; } if (idx == length) return idx; } return (idx == 0) ? -1 : idx; } int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) { Timer tmr; int idx = 0; int time = -1; char ip[16]; int port; if(_cid < 0 && _wizfi310->isAssociated()) { // Socket open if (_server) { _cid = _wizfi310->listen(WizFi310::PROTO_UDP, _port); //WIZ_DBG("TEST CID : %d",_cid); } else { _cid = _wizfi310->open(WizFi310::PROTO_UDP, remote.get_address(), remote.get_port(), _port); } if (_cid < 0) return -1; } if (_blocking) { tmr.start(); while (time < _timeout + 20) { if(_wizfi310->readable(_cid)) { break; } time = tmr.read_ms(); } if (time >= _timeout + 20) { return -1; } } else { if(!_wizfi310->readable(_cid)) { return 0; } } tmr.reset(); time = -1; tmr.start(); while (time < _timeout) { if(_server) { idx += _wizfi310->recvfrom(_cid, &buffer[idx], length - idx, ip, &port); } else { //idx += _wizfi250->recv(_cid, &buffer[idx], length - idx); idx += _wizfi310->recvfrom(_cid, &buffer[idx], length - idx, ip, &port); } if (idx == length) break; time = tmr.read_ms(); } remote.set_address(ip, port); return (idx==0) ? -1 : idx; }