xref: /openbsd-src/usr.bin/tmux/cmd-show-messages.c (revision 0b7734b3d77bb9b21afec6f4621cae6c805dbd45)
1 /* $OpenBSD: cmd-show-messages.c,v 1.20 2016/01/19 15:59:12 nicm Exp $ */
2 
3 /*
4  * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
5  *
6  * Permission to use, copy, modify, and distribute this software for any
7  * purpose with or without fee is hereby granted, provided that the above
8  * copyright notice and this permission notice appear in all copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15  * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #include <sys/types.h>
20 
21 #include <string.h>
22 #include <time.h>
23 #include <unistd.h>
24 #include <vis.h>
25 
26 #include "tmux.h"
27 
28 /*
29  * Show client message log.
30  */
31 
32 enum cmd_retval	 cmd_show_messages_exec(struct cmd *, struct cmd_q *);
33 
34 const struct cmd_entry cmd_show_messages_entry = {
35 	.name = "show-messages",
36 	.alias = "showmsgs",
37 
38 	.args = { "JTt:", 0, 0 },
39 	.usage = "[-JT] " CMD_TARGET_CLIENT_USAGE,
40 
41 	.tflag = CMD_CLIENT,
42 
43 	.flags = 0,
44 	.exec = cmd_show_messages_exec
45 };
46 
47 const struct cmd_entry cmd_server_info_entry = {
48 	.name = "server-info",
49 	.alias = "info",
50 
51 	.args = { "", 0, 0 },
52 	.usage = "",
53 
54 	.flags = 0,
55 	.exec = cmd_show_messages_exec
56 };
57 
58 int	cmd_show_messages_terminals(struct cmd_q *, int);
59 int	cmd_show_messages_jobs(struct cmd_q *, int);
60 
61 int
62 cmd_show_messages_terminals(struct cmd_q *cmdq, int blank)
63 {
64 	struct tty_term	*term;
65 	u_int		 i, n;
66 
67 	n = 0;
68 	LIST_FOREACH(term, &tty_terms, entry) {
69 		if (blank) {
70 			cmdq_print(cmdq, "%s", "");
71 			blank = 0;
72 		}
73 		cmdq_print(cmdq, "Terminal %u: %s [references=%u, flags=0x%x]:",
74 		    n, term->name, term->references, term->flags);
75 		n++;
76 		for (i = 0; i < tty_term_ncodes(); i++)
77 			cmdq_print(cmdq, "%s", tty_term_describe(term, i));
78 	}
79 	return (n != 0);
80 }
81 
82 int
83 cmd_show_messages_jobs(struct cmd_q *cmdq, int blank)
84 {
85 	struct job	*job;
86 	u_int		 n;
87 
88 	n = 0;
89 	LIST_FOREACH(job, &all_jobs, lentry) {
90 		if (blank) {
91 			cmdq_print(cmdq, "%s", "");
92 			blank = 0;
93 		}
94 		cmdq_print(cmdq, "Job %u: %s [fd=%d, pid=%d, status=%d]",
95 		    n, job->cmd, job->fd, job->pid, job->status);
96 		n++;
97 	}
98 	return (n != 0);
99 }
100 
101 enum cmd_retval
102 cmd_show_messages_exec(struct cmd *self, struct cmd_q *cmdq)
103 {
104 	struct args		*args = self->args;
105 	struct client		*c = cmdq->state.c;
106 	struct message_entry	*msg;
107 	char			*tim;
108 	int			 done, blank;
109 
110 	done = blank = 0;
111 	if (args_has(args, 'T') || self->entry == &cmd_server_info_entry) {
112 		blank = cmd_show_messages_terminals(cmdq, blank);
113 		done = 1;
114 	}
115 	if (args_has(args, 'J') || self->entry == &cmd_server_info_entry) {
116 		cmd_show_messages_jobs(cmdq, blank);
117 		done = 1;
118 	}
119 	if (done)
120 		return (CMD_RETURN_NORMAL);
121 
122 	TAILQ_FOREACH(msg, &c->message_log, entry) {
123 		tim = ctime(&msg->msg_time);
124 		*strchr(tim, '\n') = '\0';
125 
126 		cmdq_print(cmdq, "%s %s", tim, msg->msg);
127 	}
128 
129 	return (CMD_RETURN_NORMAL);
130 }
131