1 ce062d50 2019-08-21 martijn /*	$OpenBSD: ioev.h,v 1.17 2019/06/12 17:42:53 eric Exp $	*/
 2 ce062d50 2019-08-21 martijn /*
 3 ce062d50 2019-08-21 martijn  * Copyright (c) 2012 Eric Faurot <eric@openbsd.org>
 4 ce062d50 2019-08-21 martijn  *
 5 ce062d50 2019-08-21 martijn  * Permission to use, copy, modify, and distribute this software for any
 6 ce062d50 2019-08-21 martijn  * purpose with or without fee is hereby granted, provided that the above
 7 ce062d50 2019-08-21 martijn  * copyright notice and this permission notice appear in all copies.
 8 ce062d50 2019-08-21 martijn  *
 9 ce062d50 2019-08-21 martijn  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 ce062d50 2019-08-21 martijn  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 ce062d50 2019-08-21 martijn  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 ce062d50 2019-08-21 martijn  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 ce062d50 2019-08-21 martijn  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 ce062d50 2019-08-21 martijn  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 ce062d50 2019-08-21 martijn  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16 ce062d50 2019-08-21 martijn  */
17 ce062d50 2019-08-21 martijn 
18 ce062d50 2019-08-21 martijn enum {
19 ce062d50 2019-08-21 martijn 	IO_CONNECTED = 0, 	/* connection successful	*/
20 ce062d50 2019-08-21 martijn 	IO_TLSREADY,		/* TLS started successfully	*/
21 ce062d50 2019-08-21 martijn 	IO_TLSERROR,		/* XXX - needs more work	*/
22 ce062d50 2019-08-21 martijn 	IO_DATAIN,		/* new data in input buffer	*/
23 ce062d50 2019-08-21 martijn 	IO_LOWAT,		/* output queue running low	*/
24 ce062d50 2019-08-21 martijn 	IO_DISCONNECTED,	/* error?			*/
25 ce062d50 2019-08-21 martijn 	IO_TIMEOUT,		/* error?			*/
26 ce062d50 2019-08-21 martijn 	IO_ERROR,		/* details?			*/
27 ce062d50 2019-08-21 martijn };
28 ce062d50 2019-08-21 martijn 
29 ce062d50 2019-08-21 martijn #define IO_IN		0x01
30 ce062d50 2019-08-21 martijn #define IO_OUT		0x02
31 ce062d50 2019-08-21 martijn 
32 957c2372 2019-11-14 martijn /* From OpenNTPD-ish portable */
33 957c2372 2019-11-14 martijn #if !defined(SA_LEN)
34 957c2372 2019-11-14 martijn #define SA_LEN(x)     ((x)->sa_family == AF_INET6 ? \
35 957c2372 2019-11-14 martijn                         sizeof(struct sockaddr_in6) : \
36 957c2372 2019-11-14 martijn                         sizeof(struct sockaddr_in))
37 957c2372 2019-11-14 martijn #endif
38 957c2372 2019-11-14 martijn #ifndef __unused
39 957c2372 2019-11-14 martijn #define __unused __attribute__((unused))
40 957c2372 2019-11-14 martijn #endif
41 957c2372 2019-11-14 martijn 
42 ce062d50 2019-08-21 martijn struct io;
43 ce062d50 2019-08-21 martijn 
44 ce062d50 2019-08-21 martijn void io_set_nonblocking(int);
45 ce062d50 2019-08-21 martijn void io_set_nolinger(int);
46 ce062d50 2019-08-21 martijn 
47 ce062d50 2019-08-21 martijn struct io *io_new(void);
48 ce062d50 2019-08-21 martijn void io_free(struct io *);
49 ce062d50 2019-08-21 martijn void io_set_read(struct io *);
50 ce062d50 2019-08-21 martijn void io_set_write(struct io *);
51 ce062d50 2019-08-21 martijn void io_set_fd(struct io *, int);
52 ce062d50 2019-08-21 martijn void io_set_callback(struct io *io, void(*)(struct io *, int, void *), void *);
53 ce062d50 2019-08-21 martijn void io_set_timeout(struct io *, int);
54 ce062d50 2019-08-21 martijn void io_set_lowat(struct io *, size_t);
55 ce062d50 2019-08-21 martijn void io_pause(struct io *, int);
56 ce062d50 2019-08-21 martijn void io_resume(struct io *, int);
57 ce062d50 2019-08-21 martijn void io_reload(struct io *);
58 ce062d50 2019-08-21 martijn int io_connect(struct io *, const struct sockaddr *, const struct sockaddr *);
59 ce062d50 2019-08-21 martijn int io_start_tls(struct io *, void *);
60 ce062d50 2019-08-21 martijn const char* io_strio(struct io *);
61 ce062d50 2019-08-21 martijn const char* io_strevent(int);
62 ce062d50 2019-08-21 martijn const char* io_error(struct io *);
63 ce062d50 2019-08-21 martijn void* io_tls(struct io *);
64 ce062d50 2019-08-21 martijn int io_fileno(struct io *);
65 ce062d50 2019-08-21 martijn int io_paused(struct io *, int);
66 ce062d50 2019-08-21 martijn 
67 ce062d50 2019-08-21 martijn /* Buffered output functions */
68 ce062d50 2019-08-21 martijn int io_write(struct io *, const void *, size_t);
69 ce062d50 2019-08-21 martijn int io_writev(struct io *, const struct iovec *, int);
70 ce062d50 2019-08-21 martijn int io_print(struct io *, const char *);
71 ce062d50 2019-08-21 martijn int io_printf(struct io *, const char *, ...);
72 ce062d50 2019-08-21 martijn int io_vprintf(struct io *, const char *, va_list);
73 ce062d50 2019-08-21 martijn size_t io_queued(struct io *);
74 ce062d50 2019-08-21 martijn 
75 ce062d50 2019-08-21 martijn /* Buffered input functions */
76 ce062d50 2019-08-21 martijn void* io_data(struct io *);
77 ce062d50 2019-08-21 martijn size_t io_datalen(struct io *);
78 ce062d50 2019-08-21 martijn char* io_getline(struct io *, size_t *);
79 ce062d50 2019-08-21 martijn void io_drop(struct io *, size_t);