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- /* Copyright (C) 2012 mbed.org, MIT License
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
- * and associated documentation files (the "Software"), to deal in the Software without restriction,
- * including without limitation the rights to use, copy, modify, merge, publish, distribute,
- * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
- * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
- * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
- #include "Socket/Socket.h"
- #include <cstring>
-
- using std::memset;
-
- Socket::Socket() : _sock_fd(-1), _blocking(true), _timeout(1500) {
-
- }
-
- void Socket::set_blocking(bool blocking, unsigned int timeout) {
- _blocking = blocking;
- _timeout = timeout;
- }
-
- int Socket::init_socket(int type) {
- if (_sock_fd != -1)
- return -1;
-
- int fd = lwip_socket(AF_INET, type, 0);
- if (fd < 0)
- return -1;
-
- _sock_fd = fd;
- return 0;
- }
-
- int Socket::set_option(int level, int optname, const void *optval, socklen_t optlen) {
- return lwip_setsockopt(_sock_fd, level, optname, optval, optlen);
- }
-
- int Socket::get_option(int level, int optname, void *optval, socklen_t *optlen) {
- return lwip_getsockopt(_sock_fd, level, optname, optval, optlen);
- }
-
- int Socket::select(struct timeval *timeout, bool read, bool write) {
- fd_set fdSet;
- FD_ZERO(&fdSet);
- FD_SET(_sock_fd, &fdSet);
-
- fd_set* readset = (read ) ? (&fdSet) : (NULL);
- fd_set* writeset = (write) ? (&fdSet) : (NULL);
-
- int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, timeout);
- return (ret <= 0 || !FD_ISSET(_sock_fd, &fdSet)) ? (-1) : (0);
- }
-
- int Socket::wait_readable(TimeInterval& timeout) {
- return select(&timeout._time, true, false);
- }
-
- int Socket::wait_writable(TimeInterval& timeout) {
- return select(&timeout._time, false, true);
- }
-
- int Socket::close(bool shutdown) {
- if (_sock_fd < 0)
- return -1;
-
- if (shutdown)
- lwip_shutdown(_sock_fd, SHUT_RDWR);
- lwip_close(_sock_fd);
- _sock_fd = -1;
-
- return 0;
- }
-
- Socket::~Socket() {
- close(); //Don't want to leak
- }
-
- TimeInterval::TimeInterval(unsigned int ms) {
- _time.tv_sec = ms / 1000;
- _time.tv_usec = (ms - (_time.tv_sec * 1000)) * 1000;
- }
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