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Dependents: EthernetInterface EthernetInterface_RSF EthernetInterface EthernetInterface ... more
Socket.cpp@5:300e7ad2dc1d, 2012-07-26 (annotated)
- Committer:
- emilmont
- Date:
- Thu Jul 26 15:07:32 2012 +0000
- Revision:
- 5:300e7ad2dc1d
- Parent:
- 3:e6474399e057
- Child:
- 6:cd2e5559786d
Add Endpoint class and UDPPacket class
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| emilmont | 3:e6474399e057 | 1 | /* Copyright (C) 2012 mbed.org, MIT License |
| emilmont | 3:e6474399e057 | 2 | * |
| emilmont | 3:e6474399e057 | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
| emilmont | 3:e6474399e057 | 4 | * and associated documentation files (the "Software"), to deal in the Software without restriction, |
| emilmont | 3:e6474399e057 | 5 | * including without limitation the rights to use, copy, modify, merge, publish, distribute, |
| emilmont | 3:e6474399e057 | 6 | * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is |
| emilmont | 3:e6474399e057 | 7 | * furnished to do so, subject to the following conditions: |
| emilmont | 3:e6474399e057 | 8 | * |
| emilmont | 3:e6474399e057 | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
| emilmont | 3:e6474399e057 | 10 | * substantial portions of the Software. |
| emilmont | 3:e6474399e057 | 11 | * |
| emilmont | 3:e6474399e057 | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| emilmont | 3:e6474399e057 | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| emilmont | 3:e6474399e057 | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
| emilmont | 3:e6474399e057 | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| emilmont | 3:e6474399e057 | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| emilmont | 3:e6474399e057 | 17 | */ |
| emilmont | 3:e6474399e057 | 18 | #include "Socket/Socket.h" |
| emilmont | 3:e6474399e057 | 19 | #include <cstring> |
| emilmont | 3:e6474399e057 | 20 | |
| emilmont | 3:e6474399e057 | 21 | using std::memset; |
| emilmont | 3:e6474399e057 | 22 | |
| emilmont | 3:e6474399e057 | 23 | Socket::Socket() : _sock_fd(-1) { |
| emilmont | 3:e6474399e057 | 24 | |
| emilmont | 3:e6474399e057 | 25 | } |
| emilmont | 3:e6474399e057 | 26 | |
| emilmont | 5:300e7ad2dc1d | 27 | int Socket::init_socket(int type) { |
| emilmont | 3:e6474399e057 | 28 | if (_sock_fd != -1) |
| emilmont | 3:e6474399e057 | 29 | return -1; |
| emilmont | 3:e6474399e057 | 30 | |
| emilmont | 3:e6474399e057 | 31 | int fd = lwip_socket(AF_INET, type, 0); |
| emilmont | 3:e6474399e057 | 32 | if (fd < 0) |
| emilmont | 3:e6474399e057 | 33 | return -1; |
| emilmont | 3:e6474399e057 | 34 | |
| emilmont | 3:e6474399e057 | 35 | _sock_fd = fd; |
| emilmont | 3:e6474399e057 | 36 | return 0; |
| emilmont | 3:e6474399e057 | 37 | } |
| emilmont | 3:e6474399e057 | 38 | |
| emilmont | 3:e6474399e057 | 39 | |
| emilmont | 3:e6474399e057 | 40 | void Socket::set_timeout(int timeout) { |
| emilmont | 3:e6474399e057 | 41 | _timeout.tv_sec = timeout / 1000; |
| emilmont | 3:e6474399e057 | 42 | _timeout.tv_usec = (timeout - (_timeout.tv_sec * 1000)) * 1000; |
| emilmont | 3:e6474399e057 | 43 | } |
| emilmont | 3:e6474399e057 | 44 | |
| emilmont | 3:e6474399e057 | 45 | int Socket::select(fd_set* readset, fd_set* writeset) { |
| emilmont | 3:e6474399e057 | 46 | if ((_timeout.tv_sec == 0) && (_timeout.tv_usec == 0)) |
| emilmont | 3:e6474399e057 | 47 | return 0; |
| emilmont | 3:e6474399e057 | 48 | |
| emilmont | 3:e6474399e057 | 49 | FD_ZERO(&_fdSet); |
| emilmont | 3:e6474399e057 | 50 | FD_SET(_sock_fd, &_fdSet); |
| emilmont | 3:e6474399e057 | 51 | |
| emilmont | 3:e6474399e057 | 52 | int ret = lwip_select(FD_SETSIZE, readset, writeset, NULL, &_timeout); |
| emilmont | 3:e6474399e057 | 53 | return (ret <= 0 || !FD_ISSET(_sock_fd, &_fdSet)) ? (-1) : (0); |
| emilmont | 3:e6474399e057 | 54 | } |
| emilmont | 3:e6474399e057 | 55 | |
| emilmont | 3:e6474399e057 | 56 | int Socket::wait_readable(void) { |
| emilmont | 3:e6474399e057 | 57 | return select(&_fdSet, NULL); |
| emilmont | 3:e6474399e057 | 58 | } |
| emilmont | 3:e6474399e057 | 59 | |
| emilmont | 3:e6474399e057 | 60 | int Socket::wait_writable(void) { |
| emilmont | 3:e6474399e057 | 61 | return select(NULL, &_fdSet); |
| emilmont | 3:e6474399e057 | 62 | } |
| emilmont | 3:e6474399e057 | 63 | |
| emilmont | 3:e6474399e057 | 64 | int Socket::close() { |
| emilmont | 3:e6474399e057 | 65 | if (_sock_fd < 0) |
| emilmont | 3:e6474399e057 | 66 | return -1; |
| emilmont | 3:e6474399e057 | 67 | |
| emilmont | 3:e6474399e057 | 68 | lwip_close(_sock_fd); |
| emilmont | 3:e6474399e057 | 69 | _sock_fd = -1; |
| emilmont | 3:e6474399e057 | 70 | |
| emilmont | 3:e6474399e057 | 71 | return 0; |
| emilmont | 3:e6474399e057 | 72 | } |
