SiSK / EthernetInterface

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Dependents:   sisk_proj_stat MQTT Hello_FXOS8700Q WireFSHandControl ... more

Socket/Socket.cpp@0:d7bd7384a37c, 2016-12-07 (annotated)

Committer:
grzemich
Date:
Wed Dec 07 23:47:50 2016 +0000
Revision:
0:d7bd7384a37c
dgd

Who changed what in which revision?

UserRevisionLine numberNew contents of line
grzemich 0:d7bd7384a37c 1 /* Copyright (C) 2012 mbed.org, MIT License
grzemich 0:d7bd7384a37c 2 *
grzemich 0:d7bd7384a37c 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
grzemich 0:d7bd7384a37c 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
grzemich 0:d7bd7384a37c 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
grzemich 0:d7bd7384a37c 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
grzemich 0:d7bd7384a37c 7 * furnished to do so, subject to the following conditions:
grzemich 0:d7bd7384a37c 8 *
grzemich 0:d7bd7384a37c 9 * The above copyright notice and this permission notice shall be included in all copies or
grzemich 0:d7bd7384a37c 10 * substantial portions of the Software.
grzemich 0:d7bd7384a37c 11 *
grzemich 0:d7bd7384a37c 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
grzemich 0:d7bd7384a37c 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
grzemich 0:d7bd7384a37c 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
grzemich 0:d7bd7384a37c 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
grzemich 0:d7bd7384a37c 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
grzemich 0:d7bd7384a37c 17 */
grzemich 0:d7bd7384a37c 18 #include "Socket/Socket.h"
grzemich 0:d7bd7384a37c 19 #include <cstring>
grzemich 0:d7bd7384a37c 20
grzemich 0:d7bd7384a37c 21 using std::memset;
grzemich 0:d7bd7384a37c 22
grzemich 0:d7bd7384a37c 23 Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) {
grzemich 0:d7bd7384a37c 24
grzemich 0:d7bd7384a37c 25 }
grzemich 0:d7bd7384a37c 26
grzemich 0:d7bd7384a37c 27 void Socket::set_blocking(bool blocking, unsigned int timeout) {
grzemich 0:d7bd7384a37c 28 _blocking = blocking;
grzemich 0:d7bd7384a37c 29 _timeout = timeout;
grzemich 0:d7bd7384a37c 30 }
grzemich 0:d7bd7384a37c 31
grzemich 0:d7bd7384a37c 32 int Socket::init_socket(int type) {
grzemich 0:d7bd7384a37c 33 if (_sock_fd != -1)
grzemich 0:d7bd7384a37c 34 return -1;
grzemich 0:d7bd7384a37c 35
grzemich 0:d7bd7384a37c 36 int fd = lwip_socket(AF_INET, type, 0);
grzemich 0:d7bd7384a37c 37 if (fd < 0)
grzemich 0:d7bd7384a37c 38 return -1;
grzemich 0:d7bd7384a37c 39
grzemich 0:d7bd7384a37c 40 _sock_fd = fd;
grzemich 0:d7bd7384a37c 41 return 0;
grzemich 0:d7bd7384a37c 42 }
grzemich 0:d7bd7384a37c 43
grzemich 0:d7bd7384a37c 44 int Socket::set_option(int level, int optname, const void *optval, socklen_t optlen) {
grzemich 0:d7bd7384a37c 45 return lwip_setsockopt(_sock_fd, level, optname, optval, optlen);
grzemich 0:d7bd7384a37c 46 }
grzemich 0:d7bd7384a37c 47
grzemich 0:d7bd7384a37c 48 int Socket::get_option(int level, int optname, void *optval, socklen_t *optlen) {
grzemich 0:d7bd7384a37c 49 return lwip_getsockopt(_sock_fd, level, optname, optval, optlen);
grzemich 0:d7bd7384a37c 50 }
grzemich 0:d7bd7384a37c 51
grzemich 0:d7bd7384a37c 52 int Socket::select(struct timeval *timeout, bool read, bool write) {
grzemich 0:d7bd7384a37c 53 fd_set fdSet;
grzemich 0:d7bd7384a37c 54 FD_ZERO(&fdSet);
grzemich 0:d7bd7384a37c 55 FD_SET(_sock_fd, &fdSet);
grzemich 0:d7bd7384a37c 56
grzemich 0:d7bd7384a37c 57 fd_set* readset = (read ) ? (&fdSet) : (NULL);
grzemich 0:d7bd7384a37c 58 fd_set* writeset = (write) ? (&fdSet) : (NULL);
grzemich 0:d7bd7384a37c 59
grzemich 0:d7bd7384a37c 60 int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, timeout);
grzemich 0:d7bd7384a37c 61 return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
grzemich 0:d7bd7384a37c 62 }
grzemich 0:d7bd7384a37c 63
grzemich 0:d7bd7384a37c 64 int Socket::wait_readable(TimeInterval& timeout) {
grzemich 0:d7bd7384a37c 65 return select(&timeout._time, true, false);
grzemich 0:d7bd7384a37c 66 }
grzemich 0:d7bd7384a37c 67
grzemich 0:d7bd7384a37c 68 int Socket::wait_writable(TimeInterval& timeout) {
grzemich 0:d7bd7384a37c 69 return select(&timeout._time, false, true);
grzemich 0:d7bd7384a37c 70 }
grzemich 0:d7bd7384a37c 71
grzemich 0:d7bd7384a37c 72 int Socket::close(bool shutdown) {
grzemich 0:d7bd7384a37c 73 if (_sock_fd < 0)
grzemich 0:d7bd7384a37c 74 return -1;
grzemich 0:d7bd7384a37c 75
grzemich 0:d7bd7384a37c 76 if (shutdown)
grzemich 0:d7bd7384a37c 77 lwip_shutdown(_sock_fd, SHUT_RDWR);
grzemich 0:d7bd7384a37c 78 lwip_close(_sock_fd);
grzemich 0:d7bd7384a37c 79 _sock_fd = -1;
grzemich 0:d7bd7384a37c 80
grzemich 0:d7bd7384a37c 81 return 0;
grzemich 0:d7bd7384a37c 82 }
grzemich 0:d7bd7384a37c 83
grzemich 0:d7bd7384a37c 84 Socket::~Socket() {
grzemich 0:d7bd7384a37c 85 close(); //Don't want to leak
grzemich 0:d7bd7384a37c 86 }
grzemich 0:d7bd7384a37c 87
grzemich 0:d7bd7384a37c 88 TimeInterval::TimeInterval(unsigned int ms) {
grzemich 0:d7bd7384a37c 89 _time.tv_sec = ms / 1000;
grzemich 0:d7bd7384a37c 90 _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000;
grzemich 0:d7bd7384a37c 91 }