wip
Dependents: EthernetInterface_vz
Fork of Socket by
Diff: Socket.cpp
- Revision:
- 3:e6474399e057
- Child:
- 5:300e7ad2dc1d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Socket.cpp Wed Jul 25 14:59:37 2012 +0000 @@ -0,0 +1,72 @@ +/* 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) { + +} + +int Socket::init(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; +} + + +void Socket::set_timeout(int timeout) { + _timeout.tv_sec = timeout / 1000; + _timeout.tv_usec = (timeout - (_timeout.tv_sec * 1000)) * 1000; +} + +int Socket::select(fd_set* readset, fd_set* writeset) { + if ((_timeout.tv_sec == 0) && (_timeout.tv_usec == 0)) + return 0; + + FD_ZERO(&_fdSet); + FD_SET(_sock_fd, &_fdSet); + + int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, &_timeout); + return (ret <= 0 || !FD_ISSET(_sock_fd, &_fdSet)) ? (-1) : (0); +} + +int Socket::wait_readable(void) { + return select(&_fdSet, NULL); +} + +int Socket::wait_writable(void) { + return select(NULL, &_fdSet); +} + +int Socket::close() { + if (_sock_fd < 0) + return -1; + + lwip_close(_sock_fd); + _sock_fd = -1; + + return 0; +}