Bender Robotics / Mbed 2 deprecated PLAUCI_full

posilani dat

Dependencies:   FatFileSystemCpp mbed PowerControl USBHostLite

WiflyInterface/Socket/TCPSocketConnection.cpp@26:5674b8978551, 2017-05-23 (annotated)

Committer:
PavelKumpan
Date:
Tue May 23 18:42:14 2017 +0000
Revision:
26:5674b8978551
Parent:
7:805c16a071d0 
Recreated communication protocol.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jkaderka 7:805c16a071d0 1 /* Copyright (C) 2012 mbed.org, MIT License
jkaderka 7:805c16a071d0 2 *
jkaderka 7:805c16a071d0 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jkaderka 7:805c16a071d0 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jkaderka 7:805c16a071d0 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jkaderka 7:805c16a071d0 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jkaderka 7:805c16a071d0 7 * furnished to do so, subject to the following conditions:
jkaderka 7:805c16a071d0 8 *
jkaderka 7:805c16a071d0 9 * The above copyright notice and this permission notice shall be included in all copies or
jkaderka 7:805c16a071d0 10 * substantial portions of the Software.
jkaderka 7:805c16a071d0 11 *
jkaderka 7:805c16a071d0 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jkaderka 7:805c16a071d0 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jkaderka 7:805c16a071d0 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jkaderka 7:805c16a071d0 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jkaderka 7:805c16a071d0 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jkaderka 7:805c16a071d0 17 */
jkaderka 7:805c16a071d0 18
jkaderka 7:805c16a071d0 19 #include "TCPSocketConnection.h"
jkaderka 7:805c16a071d0 20 #include <algorithm>
jkaderka 7:805c16a071d0 21
jkaderka 7:805c16a071d0 22 TCPSocketConnection::TCPSocketConnection() {}
jkaderka 7:805c16a071d0 23
jkaderka 7:805c16a071d0 24 int TCPSocketConnection::connect(const char* host, const int port)
jkaderka 7:805c16a071d0 25 {
jkaderka 7:805c16a071d0 26 if (!wifi->connect(host, port))
jkaderka 7:805c16a071d0 27 return -1;
jkaderka 7:805c16a071d0 28 wifi->flush();
jkaderka 7:805c16a071d0 29 return 0;
jkaderka 7:805c16a071d0 30 }
jkaderka 7:805c16a071d0 31
jkaderka 7:805c16a071d0 32 bool TCPSocketConnection::is_connected(void)
jkaderka 7:805c16a071d0 33 {
jkaderka 7:805c16a071d0 34 return wifi->is_connected();
jkaderka 7:805c16a071d0 35 }
jkaderka 7:805c16a071d0 36
jkaderka 7:805c16a071d0 37 int TCPSocketConnection::send(char* data, int length)
jkaderka 7:805c16a071d0 38 {
jkaderka 7:805c16a071d0 39 Timer tmr;
jkaderka 7:805c16a071d0 40
jkaderka 7:805c16a071d0 41 if (!_blocking) {
jkaderka 7:805c16a071d0 42 tmr.start();
jkaderka 7:805c16a071d0 43 while (tmr.read_ms() < _timeout) {
jkaderka 7:805c16a071d0 44 if (wifi->writeable())
jkaderka 7:805c16a071d0 45 break;
jkaderka 7:805c16a071d0 46 }
jkaderka 7:805c16a071d0 47 if (tmr.read_ms() >= _timeout) {
jkaderka 7:805c16a071d0 48 return -1;
jkaderka 7:805c16a071d0 49 }
jkaderka 7:805c16a071d0 50 }
jkaderka 7:805c16a071d0 51 return wifi->send(data, length);
jkaderka 7:805c16a071d0 52 }
jkaderka 7:805c16a071d0 53
jkaderka 7:805c16a071d0 54 // -1 if unsuccessful, else number of bytes written
jkaderka 7:805c16a071d0 55 int TCPSocketConnection::send_all(char* data, int length)
jkaderka 7:805c16a071d0 56 {
jkaderka 7:805c16a071d0 57 Timer tmr;
jkaderka 7:805c16a071d0 58 int idx = 0;
jkaderka 7:805c16a071d0 59 tmr.start();
jkaderka 7:805c16a071d0 60
jkaderka 7:805c16a071d0 61 while ((tmr.read_ms() < _timeout) || _blocking) {
jkaderka 7:805c16a071d0 62
jkaderka 7:805c16a071d0 63 idx += wifi->send(data, length);
jkaderka 7:805c16a071d0 64
jkaderka 7:805c16a071d0 65 if (idx == length)
jkaderka 7:805c16a071d0 66 return idx;
jkaderka 7:805c16a071d0 67 }
jkaderka 7:805c16a071d0 68 return (idx == 0) ? -1 : idx;
jkaderka 7:805c16a071d0 69 }
jkaderka 7:805c16a071d0 70
jkaderka 7:805c16a071d0 71 // -1 if unsuccessful, else number of bytes received
jkaderka 7:805c16a071d0 72 int TCPSocketConnection::receive(char* data, int length)
jkaderka 7:805c16a071d0 73 {
jkaderka 7:805c16a071d0 74 Timer tmr;
jkaderka 7:805c16a071d0 75 int time = -1;
jkaderka 7:805c16a071d0 76
jkaderka 7:805c16a071d0 77
jkaderka 7:805c16a071d0 78 if (!_blocking) {
jkaderka 7:805c16a071d0 79 tmr.start();
jkaderka 7:805c16a071d0 80 while (time < _timeout + 20) {
jkaderka 7:805c16a071d0 81 if (wifi->readable()) {
jkaderka 7:805c16a071d0 82 break;
jkaderka 7:805c16a071d0 83 }
jkaderka 7:805c16a071d0 84 time = tmr.read_ms();
jkaderka 7:805c16a071d0 85 }
jkaderka 7:805c16a071d0 86 if (time >= _timeout + 20) {
jkaderka 7:805c16a071d0 87 return -1;
jkaderka 7:805c16a071d0 88 }
jkaderka 7:805c16a071d0 89 }
jkaderka 7:805c16a071d0 90
jkaderka 7:805c16a071d0 91
jkaderka 7:805c16a071d0 92 while(!wifi->readable());
jkaderka 7:805c16a071d0 93 int nb_available = wifi->readable();
jkaderka 7:805c16a071d0 94 for (int i = 0; i < min(nb_available, length); i++) {
jkaderka 7:805c16a071d0 95 data[i] = wifi->getc();
jkaderka 7:805c16a071d0 96 }
jkaderka 7:805c16a071d0 97
jkaderka 7:805c16a071d0 98 return min(nb_available, length);
jkaderka 7:805c16a071d0 99 }
jkaderka 7:805c16a071d0 100
jkaderka 7:805c16a071d0 101
jkaderka 7:805c16a071d0 102 // -1 if unsuccessful, else number of bytes received
jkaderka 7:805c16a071d0 103 int TCPSocketConnection::receive_all(char* data, int length)
jkaderka 7:805c16a071d0 104 {
jkaderka 7:805c16a071d0 105 Timer tmr;
jkaderka 7:805c16a071d0 106 int idx = 0;
jkaderka 7:805c16a071d0 107 int time = -1;
jkaderka 7:805c16a071d0 108
jkaderka 7:805c16a071d0 109 tmr.start();
jkaderka 7:805c16a071d0 110
jkaderka 7:805c16a071d0 111 while (time < _timeout || _blocking) {
jkaderka 7:805c16a071d0 112
jkaderka 7:805c16a071d0 113 int nb_available = wifi->readable();
jkaderka 7:805c16a071d0 114 for (int i = 0; i < min(nb_available, length); i++) {
jkaderka 7:805c16a071d0 115 data[idx++] = wifi->getc();
jkaderka 7:805c16a071d0 116 }
jkaderka 7:805c16a071d0 117
jkaderka 7:805c16a071d0 118 if (idx == length)
jkaderka 7:805c16a071d0 119 break;
jkaderka 7:805c16a071d0 120
jkaderka 7:805c16a071d0 121 time = tmr.read_ms();
jkaderka 7:805c16a071d0 122 }
jkaderka 7:805c16a071d0 123
jkaderka 7:805c16a071d0 124 return (idx == 0) ? -1 : idx;
jkaderka 7:805c16a071d0 125 }