1 /*
2  * Copyright (c) 2021, 2024 Omar Polo <op@omarpolo.com>
3  *
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 struct imsgev {
18 	struct imsgbuf	 ibuf;
19 	void		(*handler)(int, int, void *);
20 	short		 events;
21 };
22 
23 #define IMSG_DATA_SIZE(imsg)	((imsg).hdr.len - IMSG_HEADER_SIZE)
24 
25 enum imsg_type {
26 	/* ui <-> net */
27 	IMSG_GET,		/* struct get_req, peerid is the tab id */
28 	IMSG_ERR,
29 	IMSG_CHECK_CERT,
30 	IMSG_CERT_STATUS,
31 	IMSG_REPLY,		/* reply code (int) + meta string */
32 	IMSG_PROCEED,
33 	IMSG_STOP,
34 	IMSG_BUF,
35 	IMSG_EOF,
36 	IMSG_QUIT,
37 
38 	/* ui <-> ctl */
39 	IMSG_CTL_OPEN_URL,
40 };
41 
42 void		 imsg_event_add(struct imsgev *);
43 int		 imsg_compose_event(struct imsgev *, uint16_t, uint32_t, pid_t, int, const void *, uint16_t);
44 
45 int		 ibuf_borrow_str(struct ibuf *, char **);