| 1 | /*
|
|---|
| 2 | * Copyright (c) 2013 Martin Sucha
|
|---|
| 3 | * All rights reserved.
|
|---|
| 4 | *
|
|---|
| 5 | * Redistribution and use in source and binary forms, with or without
|
|---|
| 6 | * modification, are permitted provided that the following conditions
|
|---|
| 7 | * are met:
|
|---|
| 8 | *
|
|---|
| 9 | * - Redistributions of source code must retain the above copyright
|
|---|
| 10 | * notice, this list of conditions and the following disclaimer.
|
|---|
| 11 | * - Redistributions in binary form must reproduce the above copyright
|
|---|
| 12 | * notice, this list of conditions and the following disclaimer in the
|
|---|
| 13 | * documentation and/or other materials provided with the distribution.
|
|---|
| 14 | * - The name of the author may not be used to endorse or promote products
|
|---|
| 15 | * derived from this software without specific prior written permission.
|
|---|
| 16 | *
|
|---|
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|---|
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|---|
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|---|
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|---|
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|---|
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|---|
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|---|
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|---|
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|---|
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|---|
| 27 | */
|
|---|
| 28 |
|
|---|
| 29 | /** @addtogroup http
|
|---|
| 30 | * @{
|
|---|
| 31 | */
|
|---|
| 32 | /**
|
|---|
| 33 | * @file
|
|---|
| 34 | */
|
|---|
| 35 |
|
|---|
| 36 | #ifndef HTTP_RECEIVE_BUFFER_H_
|
|---|
| 37 | #define HTTP_RECEIVE_BUFFER_H_
|
|---|
| 38 |
|
|---|
| 39 | #include <adt/list.h>
|
|---|
| 40 |
|
|---|
| 41 | /** Receive data.
|
|---|
| 42 | *
|
|---|
| 43 | * @param client_data client data
|
|---|
| 44 | * @param buf buffer to store the data
|
|---|
| 45 | * @param buf_size buffer size
|
|---|
| 46 | * @return number of bytes received or negative error code
|
|---|
| 47 | */
|
|---|
| 48 | typedef ssize_t (*receive_func_t)(void *, void *, size_t);
|
|---|
| 49 |
|
|---|
| 50 | typedef struct {
|
|---|
| 51 | size_t size;
|
|---|
| 52 | char *buffer;
|
|---|
| 53 | size_t in;
|
|---|
| 54 | size_t out;
|
|---|
| 55 |
|
|---|
| 56 | void *client_data;
|
|---|
| 57 | receive_func_t receive;
|
|---|
| 58 |
|
|---|
| 59 | list_t marks;
|
|---|
| 60 | } receive_buffer_t;
|
|---|
| 61 |
|
|---|
| 62 | typedef struct {
|
|---|
| 63 | link_t link;
|
|---|
| 64 | size_t offset;
|
|---|
| 65 | } receive_buffer_mark_t;
|
|---|
| 66 |
|
|---|
| 67 | extern int recv_buffer_init(receive_buffer_t *, size_t, receive_func_t, void *);
|
|---|
| 68 | extern int recv_buffer_init_const(receive_buffer_t *, void *, size_t);
|
|---|
| 69 | extern void recv_buffer_fini(receive_buffer_t *);
|
|---|
| 70 | extern void recv_reset(receive_buffer_t *);
|
|---|
| 71 | extern void recv_mark(receive_buffer_t *, receive_buffer_mark_t *);
|
|---|
| 72 | extern void recv_unmark(receive_buffer_t *, receive_buffer_mark_t *);
|
|---|
| 73 | extern void recv_mark_update(receive_buffer_t *, receive_buffer_mark_t *);
|
|---|
| 74 | extern int recv_cut(receive_buffer_t *, receive_buffer_mark_t *,
|
|---|
| 75 | receive_buffer_mark_t *, void **, size_t *);
|
|---|
| 76 | extern int recv_cut_str(receive_buffer_t *, receive_buffer_mark_t *,
|
|---|
| 77 | receive_buffer_mark_t *, char **);
|
|---|
| 78 | extern int recv_char(receive_buffer_t *, char *, bool);
|
|---|
| 79 | extern ssize_t recv_buffer(receive_buffer_t *, char *, size_t);
|
|---|
| 80 | extern ssize_t recv_discard(receive_buffer_t *, char);
|
|---|
| 81 | extern ssize_t recv_eol(receive_buffer_t *);
|
|---|
| 82 | extern ssize_t recv_line(receive_buffer_t *, char *, size_t);
|
|---|
| 83 |
|
|---|
| 84 |
|
|---|
| 85 |
|
|---|
| 86 | #endif
|
|---|
| 87 |
|
|---|
| 88 | /** @}
|
|---|
| 89 | */
|
|---|
