DongEun Koak / WizFi250Interface

This is library for using WizFi250

Dependents:   WebSocket_WizFi250_HelloWorld IFTTT_WizFi250 AxedaGo-WizFi250 FANARM_AP_udp_server ... more

Socket/UDPSocket.cpp@22:f29dd1d06e89, 2015-11-18 (annotated)

Committer:
kaizen
Date:
Wed Nov 18 23:11:22 2015 +0000
Revision:
22:f29dd1d06e89
Parent:
20:4fd47f387930 
Changed Antenna value

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kaizen 0:f2039204c8f6 1 /* Copyright (C) 2012 mbed.org, MIT License
kaizen 0:f2039204c8f6 2 *
kaizen 0:f2039204c8f6 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kaizen 0:f2039204c8f6 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kaizen 0:f2039204c8f6 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kaizen 0:f2039204c8f6 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kaizen 0:f2039204c8f6 7 * furnished to do so, subject to the following conditions:
kaizen 0:f2039204c8f6 8 *
kaizen 0:f2039204c8f6 9 * The above copyright notice and this permission notice shall be included in all copies or
kaizen 0:f2039204c8f6 10 * substantial portions of the Software.
kaizen 0:f2039204c8f6 11 *
kaizen 0:f2039204c8f6 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kaizen 0:f2039204c8f6 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kaizen 0:f2039204c8f6 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kaizen 0:f2039204c8f6 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kaizen 0:f2039204c8f6 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kaizen 0:f2039204c8f6 17 */
kaizen 0:f2039204c8f6 18 /* Copyright (C) 2014 Wiznet, MIT License
kaizen 0:f2039204c8f6 19 * port to the Wiznet Module WizFi250
kaizen 0:f2039204c8f6 20 */
kaizen 0:f2039204c8f6 21
kaizen 0:f2039204c8f6 22 #include "UDPSocket.h"
kaizen 0:f2039204c8f6 23
kaizen 0:f2039204c8f6 24 #include <string>
kaizen 0:f2039204c8f6 25 #include <algorithm>
kaizen 0:f2039204c8f6 26
kaizen 0:f2039204c8f6 27 UDPSocket::UDPSocket()
kaizen 0:f2039204c8f6 28 {
kaizen 0:f2039204c8f6 29 endpoint_connected = false;
kaizen 0:f2039204c8f6 30 }
kaizen 0:f2039204c8f6 31
kaizen 0:f2039204c8f6 32 int UDPSocket::init(void)
kaizen 0:f2039204c8f6 33 {
kaizen 0:f2039204c8f6 34 _server = false;
kaizen 0:f2039204c8f6 35 return 0;
kaizen 0:f2039204c8f6 36 }
kaizen 0:f2039204c8f6 37
kaizen 0:f2039204c8f6 38 // Server initialization
kaizen 0:f2039204c8f6 39 int UDPSocket::bind(int port)
kaizen 0:f2039204c8f6 40 {
kaizen 20:4fd47f387930 41 if(port == 0)
kaizen 20:4fd47f387930 42 {
kaizen 20:4fd47f387930 43 _port = 5000;
kaizen 20:4fd47f387930 44 _server = false;
kaizen 20:4fd47f387930 45 }
kaizen 20:4fd47f387930 46 else
kaizen 20:4fd47f387930 47 {
kaizen 20:4fd47f387930 48 _port = port;
kaizen 20:4fd47f387930 49 _server = true;
kaizen 20:4fd47f387930 50 }
kaizen 20:4fd47f387930 51
kaizen 0:f2039204c8f6 52 return 0;
kaizen 0:f2039204c8f6 53 }
kaizen 0:f2039204c8f6 54
kaizen 0:f2039204c8f6 55 int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
kaizen 0:f2039204c8f6 56 {
kaizen 0:f2039204c8f6 57 Timer tmr;
kaizen 0:f2039204c8f6 58 int idx = 0;
kaizen 0:f2039204c8f6 59
kaizen 0:f2039204c8f6 60 if (_cid < 0 && _wizfi250->isAssociated())
kaizen 0:f2039204c8f6 61 {
kaizen 0:f2039204c8f6 62 if (_server)
kaizen 0:f2039204c8f6 63 {
kaizen 0:f2039204c8f6 64 _cid = _wizfi250->listen(WizFi250::PROTO_UDP, _port);
kaizen 0:f2039204c8f6 65 }
kaizen 0:f2039204c8f6 66 else
kaizen 0:f2039204c8f6 67 {
kaizen 0:f2039204c8f6 68 _cid = _wizfi250->open(WizFi250::PROTO_UDP, remote.get_address(), remote.get_port(), _port);
kaizen 0:f2039204c8f6 69 }
kaizen 0:f2039204c8f6 70 if (_cid < 0) return -1;
kaizen 0:f2039204c8f6 71 }
kaizen 0:f2039204c8f6 72
kaizen 0:f2039204c8f6 73 tmr.start();
kaizen 0:f2039204c8f6 74
kaizen 0:f2039204c8f6 75 while ((tmr.read_ms() < _timeout) || _blocking)
kaizen 0:f2039204c8f6 76 {
kaizen 0:f2039204c8f6 77 if(_server)
kaizen 0:f2039204c8f6 78 {
kaizen 0:f2039204c8f6 79 idx += _wizfi250->sendto(_cid, packet, length, remote.get_address(), remote.get_port());
kaizen 0:f2039204c8f6 80 }
kaizen 0:f2039204c8f6 81 else
kaizen 0:f2039204c8f6 82 {
kaizen 0:f2039204c8f6 83 idx += _wizfi250->send(_cid, packet, length);
kaizen 0:f2039204c8f6 84 }
kaizen 0:f2039204c8f6 85 if (idx < 0)
kaizen 0:f2039204c8f6 86 {
kaizen 0:f2039204c8f6 87 if (!_wizfi250->isConnected(_cid)) _cid = -1;
kaizen 0:f2039204c8f6 88 }
kaizen 0:f2039204c8f6 89
kaizen 0:f2039204c8f6 90 if (idx == length)
kaizen 0:f2039204c8f6 91 return idx;
kaizen 0:f2039204c8f6 92 }
kaizen 0:f2039204c8f6 93 return (idx == 0) ? -1 : idx;
kaizen 0:f2039204c8f6 94 }
kaizen 0:f2039204c8f6 95
kaizen 0:f2039204c8f6 96
kaizen 0:f2039204c8f6 97 int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
kaizen 0:f2039204c8f6 98 {
kaizen 0:f2039204c8f6 99 Timer tmr;
kaizen 0:f2039204c8f6 100 int idx = 0;
kaizen 0:f2039204c8f6 101 int time = -1;
kaizen 0:f2039204c8f6 102 char ip[16];
kaizen 0:f2039204c8f6 103 int port;
kaizen 0:f2039204c8f6 104
kaizen 0:f2039204c8f6 105 if(_cid < 0 && _wizfi250->isAssociated())
kaizen 0:f2039204c8f6 106 {
kaizen 0:f2039204c8f6 107 // Socket open
kaizen 0:f2039204c8f6 108 if (_server) {
kaizen 0:f2039204c8f6 109 _cid = _wizfi250->listen(WizFi250::PROTO_UDP, _port);
DongEun Koak 5:8a0702aa91e3 110 //WIZ_DBG("TEST CID : %d",_cid);
kaizen 0:f2039204c8f6 111 }
kaizen 0:f2039204c8f6 112 else
kaizen 0:f2039204c8f6 113 {
kaizen 0:f2039204c8f6 114 _cid = _wizfi250->open(WizFi250::PROTO_UDP, remote.get_address(), remote.get_port(), _port);
kaizen 0:f2039204c8f6 115 }
kaizen 0:f2039204c8f6 116 if (_cid < 0) return -1;
kaizen 0:f2039204c8f6 117 }
kaizen 0:f2039204c8f6 118
kaizen 0:f2039204c8f6 119 if (_blocking)
kaizen 0:f2039204c8f6 120 {
kaizen 0:f2039204c8f6 121 tmr.start();
kaizen 0:f2039204c8f6 122 while (time < _timeout + 20)
kaizen 0:f2039204c8f6 123 {
kaizen 0:f2039204c8f6 124 if(_wizfi250->readable(_cid))
kaizen 0:f2039204c8f6 125 {
kaizen 0:f2039204c8f6 126 break;
kaizen 0:f2039204c8f6 127 }
kaizen 0:f2039204c8f6 128 time = tmr.read_ms();
kaizen 0:f2039204c8f6 129 }
kaizen 0:f2039204c8f6 130 if (time >= _timeout + 20)
kaizen 0:f2039204c8f6 131 {
kaizen 0:f2039204c8f6 132 return -1;
kaizen 0:f2039204c8f6 133 }
kaizen 0:f2039204c8f6 134 }
kaizen 12:bb8e979df6df 135 else
kaizen 12:bb8e979df6df 136 {
kaizen 12:bb8e979df6df 137 if(!_wizfi250->readable(_cid))
kaizen 12:bb8e979df6df 138 {
kaizen 12:bb8e979df6df 139 return 0;
kaizen 12:bb8e979df6df 140 }
kaizen 12:bb8e979df6df 141 }
kaizen 12:bb8e979df6df 142
kaizen 0:f2039204c8f6 143
kaizen 0:f2039204c8f6 144 tmr.reset();
kaizen 0:f2039204c8f6 145 time = -1;
kaizen 0:f2039204c8f6 146 tmr.start();
kaizen 0:f2039204c8f6 147
kaizen 0:f2039204c8f6 148 while (time < _timeout)
kaizen 0:f2039204c8f6 149 {
kaizen 0:f2039204c8f6 150 if(_server)
kaizen 0:f2039204c8f6 151 {
kaizen 0:f2039204c8f6 152 idx += _wizfi250->recvfrom(_cid, &buffer[idx], length - idx, ip, &port);
kaizen 0:f2039204c8f6 153 }
kaizen 0:f2039204c8f6 154 else
kaizen 0:f2039204c8f6 155 {
kaizen 12:bb8e979df6df 156 //idx += _wizfi250->recv(_cid, &buffer[idx], length - idx);
kaizen 12:bb8e979df6df 157 idx += _wizfi250->recvfrom(_cid, &buffer[idx], length - idx, ip, &port);
kaizen 0:f2039204c8f6 158 }
kaizen 0:f2039204c8f6 159
kaizen 0:f2039204c8f6 160 if (idx == length)
kaizen 0:f2039204c8f6 161 break;
kaizen 0:f2039204c8f6 162
kaizen 12:bb8e979df6df 163
kaizen 0:f2039204c8f6 164 time = tmr.read_ms();
kaizen 0:f2039204c8f6 165 }
kaizen 0:f2039204c8f6 166
kaizen 12:bb8e979df6df 167 remote.set_address(ip, port);
kaizen 0:f2039204c8f6 168 return (idx==0) ? -1 : idx;
kaizen 0:f2039204c8f6 169 }