1 7a554149 2024-02-18 op /*
 2 7a554149 2024-02-18 op  * This is free and unencumbered software released into the public domain.
 3 7a554149 2024-02-18 op  *
 4 7a554149 2024-02-18 op  * Anyone is free to copy, modify, publish, use, compile, sell, or
 5 7a554149 2024-02-18 op  * distribute this software, either in source code form or as a compiled
 6 7a554149 2024-02-18 op  * binary, for any purpose, commercial or non-commercial, and by any
 7 7a554149 2024-02-18 op  * means.
 8 7a554149 2024-02-18 op  *
 9 7a554149 2024-02-18 op  * In jurisdictions that recognize copyright laws, the author or authors
10 7a554149 2024-02-18 op  * of this software dedicate any and all copyright interest in the
11 7a554149 2024-02-18 op  * software to the public domain. We make this dedication for the benefit
12 7a554149 2024-02-18 op  * of the public at large and to the detriment of our heirs and
13 7a554149 2024-02-18 op  * successors. We intend this dedication to be an overt act of
14 7a554149 2024-02-18 op  * relinquishment in perpetuity of all present and future rights to this
15 7a554149 2024-02-18 op  * software under copyright law.
16 7a554149 2024-02-18 op  *
17 7a554149 2024-02-18 op  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 7a554149 2024-02-18 op  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 7a554149 2024-02-18 op  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 7a554149 2024-02-18 op  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 7a554149 2024-02-18 op  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 7a554149 2024-02-18 op  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 7a554149 2024-02-18 op  * OTHER DEALINGS IN THE SOFTWARE.
24 7a554149 2024-02-18 op  */
25 7a554149 2024-02-18 op 
26 7a554149 2024-02-18 op struct tls;
27 7a554149 2024-02-18 op 
28 7a554149 2024-02-18 op #define BIO_CHUNK	128
29 7a554149 2024-02-18 op struct buf {
30 7a554149 2024-02-18 op 	uint8_t		*buf;
31 7a554149 2024-02-18 op 	size_t		 len;
32 7a554149 2024-02-18 op 	size_t		 cap;
33 7a554149 2024-02-18 op 	size_t		 cur;
34 7a554149 2024-02-18 op };
35 7a554149 2024-02-18 op 
36 7a554149 2024-02-18 op struct bufio {
37 7a554149 2024-02-18 op 	int		 fd;
38 7a554149 2024-02-18 op 	struct tls	*ctx;
39 c4d1f652 2024-03-25 op 	int		 wantev;
40 7a554149 2024-02-18 op 	struct buf	 wbuf;
41 7a554149 2024-02-18 op 	struct buf	 rbuf;
42 7a554149 2024-02-18 op };
43 7a554149 2024-02-18 op 
44 ce023433 2024-02-22 op #define	BUFIO_WANT_READ		0x1
45 ce023433 2024-02-22 op #define	BUFIO_WANT_WRITE	0x2
46 ce023433 2024-02-22 op 
47 7a554149 2024-02-18 op int	buf_init(struct buf *);
48 7a554149 2024-02-18 op int	buf_has_line(struct buf *, const char *);
49 98f8e538 2024-03-22 op char	*buf_getdelim(struct buf *, const char *, size_t *);
50 7a554149 2024-02-18 op void	buf_drain(struct buf *, size_t);
51 7a554149 2024-02-18 op void	buf_drain_line(struct buf *, const char *);
52 7a554149 2024-02-18 op void	buf_free(struct buf *);
53 7a554149 2024-02-18 op 
54 7a554149 2024-02-18 op int	bufio_init(struct bufio *);
55 0d6af421 2024-02-18 op void	bufio_free(struct bufio *);
56 8b00d570 2024-02-18 op int	bufio_close(struct bufio *);
57 7a554149 2024-02-18 op int	bufio_reset(struct bufio *);
58 7a554149 2024-02-18 op void	bufio_set_fd(struct bufio *, int);
59 9c5586a7 2024-02-18 op int	bufio_starttls(struct bufio *, const char *, int,
60 9c5586a7 2024-02-18 op 	    const uint8_t *, size_t, const uint8_t *, size_t);
61 3c988896 2024-02-18 op int	bufio_ev(struct bufio *);
62 0e0994b2 2024-02-18 op int	bufio_handshake(struct bufio *);
63 7a554149 2024-02-18 op ssize_t	bufio_read(struct bufio *);
64 b19b8dbc 2024-02-18 op size_t	bufio_drain(struct bufio *, void *, size_t);
65 7a554149 2024-02-18 op ssize_t	bufio_write(struct bufio *);
66 7a554149 2024-02-18 op int	bufio_compose(struct bufio *, const void *, size_t);
67 7a554149 2024-02-18 op int	bufio_compose_str(struct bufio *, const char *);
68 7a554149 2024-02-18 op int	bufio_compose_fmt(struct bufio *, const char *, ...)
69 7a554149 2024-02-18 op 	    __attribute__((__format__ (printf, 2, 3)));
70 7a554149 2024-02-18 op void	bufio_rewind_cursor(struct bufio *);
71 7a554149 2024-02-18 op 
72 7a554149 2024-02-18 op /* callbacks for pdjson */
73 7a554149 2024-02-18 op int	bufio_get_cb(void *);
74 7a554149 2024-02-18 op int	bufio_peek_cb(void *);