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/*
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* Copyright (C) 2013 gsfan, MIT License
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
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* and associated documentation files (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge, publish, distribute,
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* sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all copies or
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* substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/* Copyright (C) 2014 Wiznet, MIT License
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* port to the Wiznet Module WizFi250
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*/
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/* Copyright (C) 2017 Wiznet, MIT License
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* port to the Wiznet Module WizFi310
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*/
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#include "TCPSocketConnection.h"
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#include <algorithm>
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TCPSocketConnection::TCPSocketConnection() {}
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int TCPSocketConnection::connect(const char* host, const int port)
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{
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if (set_address(host, port) != 0) return -1;
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_server = false;
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_cid = _wizfi310->open(WizFi310::PROTO_TCP, get_address(), get_port());
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if (_cid < 0 ) return -1;
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return 0;
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}
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bool TCPSocketConnection::is_connected(void)
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{
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bool _is_connected = _wizfi310->isConnected(_cid);
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if(!_is_connected) _cid = -1;
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return _is_connected;
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}
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int TCPSocketConnection::send(char *data, int length)
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{
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if (_cid < 0 || !is_connected()) return -1;
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return _wizfi310->send(_cid, data, length);
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}
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int TCPSocketConnection::send_all(char *data, int length)
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{
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Timer tmr;
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int idx = 0;
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if(_cid <0 || !is_connected()) return -1;
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tmr.start();
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while((tmr.read_ms() < _timeout) || _blocking)
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{
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idx += _wizfi310->send(_cid, &data[idx], length - idx);
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if(idx < 0) return -1;
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if(idx == length)
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return idx;
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}
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return (idx == 0) ? -1 : idx;
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}
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int TCPSocketConnection::receive(char* data, int length)
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{
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Timer tmr;
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int time = -1;
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int len = 0;
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if(_cid < 0 || !is_connected()) return -1;
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if(_blocking)
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{
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tmr.start();
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while(time < _timeout)
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{
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len = _wizfi310->readable(_cid);
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if(len == -1)
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return len;
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if(len > 0)
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{
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WIZ_DBG("receive readable : %d\r\n",len);
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break;
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}
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time = tmr.read_ms();
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}
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if(time >= _timeout)
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{
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//WIZ_DBG("receive timeout");
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return 0;
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}
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}
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return _wizfi310->recv(_cid, data, length);
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}
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int TCPSocketConnection::receive_all(char* data, int length)
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{
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Timer tmr;
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int idx = 0;
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int time = -1;
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if(_cid < 0 || !is_connected()) return -1;
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tmr.start();
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while(time < _timeout || _blocking)
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{
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idx += _wizfi310->recv(_cid, &data[idx], length - idx);
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if (idx < 0) return -1;
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if(idx == length)
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break;
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time = tmr.read_ms();
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}
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return (idx == 0) ? -1 : idx;
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}
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void TCPSocketConnection::acceptCID (int cid)
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{
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char *ip;
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int port;
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_server = true;
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_cid = cid;
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if( _wizfi310->cmdSMGMT(cid) ) return;
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if( !_wizfi310->getRemote(_cid, &ip, &port))
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{
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set_address(ip, port);
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}
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}
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