| 1 | /* |
| 2 | * This file is part of DisOrder |
| 3 | * Copyright (C) 2013 Richard Kettlewell |
| 4 | * |
| 5 | * This program is free software: you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation, either version 3 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 17 | */ |
| 18 | /** @file lib/socketio.h |
| 19 | * @brief Buffered socket I/O |
| 20 | */ |
| 21 | #ifndef SOCKETIO_H |
| 22 | # define SOCKETIO_H |
| 23 | |
| 24 | #define SOCKETIO_BUFFER 4096 |
| 25 | |
| 26 | struct socketio { |
| 27 | SOCKET sd; |
| 28 | char *inputptr, *inputlimit; |
| 29 | size_t outputused; |
| 30 | int error; |
| 31 | char input[SOCKETIO_BUFFER]; |
| 32 | char output[SOCKETIO_BUFFER]; |
| 33 | }; |
| 34 | |
| 35 | void socketio_init(struct socketio *sio, SOCKET sd); |
| 36 | int socketio_write(struct socketio *sio, const void *buffer, size_t n); |
| 37 | int socketio_getc(struct socketio *sio); |
| 38 | int socketio_flush(struct socketio *sio); |
| 39 | void socketio_close(struct socketio *sio); |
| 40 | |
| 41 | static inline int socketio_error(struct socketio *sio) { |
| 42 | return sio->error > 0 ? sio->error : 0; |
| 43 | } |
| 44 | |
| 45 | static inline int socketio_eof(struct socketio *sio) { |
| 46 | return sio->error == -1; |
| 47 | } |
| 48 | |
| 49 | #endif |