CK Sin / Mbed 2 deprecated Ethernetwebsocket

Ethernetwebsoc

Dependencies:   C12832_lcd LM75B WebSocketClient mbed-rtos mbed Socket lwip-eth lwip-sys lwip

EthernetInterface/Socket/Socket.cpp@0:0ed2a7c7190c, 2013-05-31 (annotated)

Committer:
GordonSin
Date:
Fri May 31 04:09:54 2013 +0000
Revision:
0:0ed2a7c7190c
31/5/2013;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GordonSin 0:0ed2a7c7190c 1 /* Copyright (C) 2012 mbed.org, MIT License
GordonSin 0:0ed2a7c7190c 2 *
GordonSin 0:0ed2a7c7190c 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
GordonSin 0:0ed2a7c7190c 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
GordonSin 0:0ed2a7c7190c 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
GordonSin 0:0ed2a7c7190c 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
GordonSin 0:0ed2a7c7190c 7 * furnished to do so, subject to the following conditions:
GordonSin 0:0ed2a7c7190c 8 *
GordonSin 0:0ed2a7c7190c 9 * The above copyright notice and this permission notice shall be included in all copies or
GordonSin 0:0ed2a7c7190c 10 * substantial portions of the Software.
GordonSin 0:0ed2a7c7190c 11 *
GordonSin 0:0ed2a7c7190c 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
GordonSin 0:0ed2a7c7190c 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
GordonSin 0:0ed2a7c7190c 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
GordonSin 0:0ed2a7c7190c 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
GordonSin 0:0ed2a7c7190c 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
GordonSin 0:0ed2a7c7190c 17 */
GordonSin 0:0ed2a7c7190c 18 #include "Socket/Socket.h"
GordonSin 0:0ed2a7c7190c 19 #include <cstring>
GordonSin 0:0ed2a7c7190c 20
GordonSin 0:0ed2a7c7190c 21 using std::memset;
GordonSin 0:0ed2a7c7190c 22
GordonSin 0:0ed2a7c7190c 23 Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) {
GordonSin 0:0ed2a7c7190c 24
GordonSin 0:0ed2a7c7190c 25 }
GordonSin 0:0ed2a7c7190c 26
GordonSin 0:0ed2a7c7190c 27 void Socket::set_blocking(bool blocking, unsigned int timeout) {
GordonSin 0:0ed2a7c7190c 28 _blocking = blocking;
GordonSin 0:0ed2a7c7190c 29 _timeout = timeout;
GordonSin 0:0ed2a7c7190c 30 }
GordonSin 0:0ed2a7c7190c 31
GordonSin 0:0ed2a7c7190c 32 int Socket::init_socket(int type) {
GordonSin 0:0ed2a7c7190c 33 if (_sock_fd != -1)
GordonSin 0:0ed2a7c7190c 34 return -1;
GordonSin 0:0ed2a7c7190c 35
GordonSin 0:0ed2a7c7190c 36 int fd = lwip_socket(AF_INET, type, 0);
GordonSin 0:0ed2a7c7190c 37 if (fd < 0)
GordonSin 0:0ed2a7c7190c 38 return -1;
GordonSin 0:0ed2a7c7190c 39
GordonSin 0:0ed2a7c7190c 40 _sock_fd = fd;
GordonSin 0:0ed2a7c7190c 41 return 0;
GordonSin 0:0ed2a7c7190c 42 }
GordonSin 0:0ed2a7c7190c 43
GordonSin 0:0ed2a7c7190c 44 int Socket::select(struct timeval *timeout, bool read, bool write) {
GordonSin 0:0ed2a7c7190c 45 fd_set fdSet;
GordonSin 0:0ed2a7c7190c 46 FD_ZERO(&fdSet);
GordonSin 0:0ed2a7c7190c 47 FD_SET(_sock_fd, &fdSet);
GordonSin 0:0ed2a7c7190c 48
GordonSin 0:0ed2a7c7190c 49 fd_set* readset = (read ) ? (&fdSet) : (NULL);
GordonSin 0:0ed2a7c7190c 50 fd_set* writeset = (write) ? (&fdSet) : (NULL);
GordonSin 0:0ed2a7c7190c 51
GordonSin 0:0ed2a7c7190c 52 int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, timeout);
GordonSin 0:0ed2a7c7190c 53 return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
GordonSin 0:0ed2a7c7190c 54 }
GordonSin 0:0ed2a7c7190c 55
GordonSin 0:0ed2a7c7190c 56 int Socket::wait_readable(TimeInterval& timeout) {
GordonSin 0:0ed2a7c7190c 57 return select(&timeout._time, true, false);
GordonSin 0:0ed2a7c7190c 58 }
GordonSin 0:0ed2a7c7190c 59
GordonSin 0:0ed2a7c7190c 60 int Socket::wait_writable(TimeInterval& timeout) {
GordonSin 0:0ed2a7c7190c 61 return select(&timeout._time, false, true);
GordonSin 0:0ed2a7c7190c 62 }
GordonSin 0:0ed2a7c7190c 63
GordonSin 0:0ed2a7c7190c 64 int Socket::close() {
GordonSin 0:0ed2a7c7190c 65 if (_sock_fd < 0)
GordonSin 0:0ed2a7c7190c 66 return -1;
GordonSin 0:0ed2a7c7190c 67
GordonSin 0:0ed2a7c7190c 68 lwip_close(_sock_fd);
GordonSin 0:0ed2a7c7190c 69 _sock_fd = -1;
GordonSin 0:0ed2a7c7190c 70
GordonSin 0:0ed2a7c7190c 71 return 0;
GordonSin 0:0ed2a7c7190c 72 }
GordonSin 0:0ed2a7c7190c 73
GordonSin 0:0ed2a7c7190c 74 Socket::~Socket() {
GordonSin 0:0ed2a7c7190c 75 close(); //Don't want to leak
GordonSin 0:0ed2a7c7190c 76 }
GordonSin 0:0ed2a7c7190c 77
GordonSin 0:0ed2a7c7190c 78 TimeInterval::TimeInterval(unsigned int ms) {
GordonSin 0:0ed2a7c7190c 79 _time.tv_sec = ms / 1000;
GordonSin 0:0ed2a7c7190c 80 _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000;
GordonSin 0:0ed2a7c7190c 81 }