summaryrefslogtreecommitdiffstats
path: root/cmd-server-info.c
blob: 995415341287fdc579169d73c7e90a97fddad9ba (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
/* $Id: cmd-server-info.c,v 1.42 2011/01/21 23:51:36 tcunha Exp $ */

/*
 * Copyright (c) 2008 Nicholas Marriott <[email protected]>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <sys/types.h>
#include <sys/utsname.h>

#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>

#include "tmux.h"

/*
 * Show various information about server.
 */

int	cmd_server_info_exec(struct cmd *, struct cmd_ctx *);

const struct cmd_entry cmd_server_info_entry = {
	"server-info", "info",
	"", 0, 0,
	"",
	0,
	NULL,
	NULL,
	cmd_server_info_exec
};

/* ARGSUSED */
int
cmd_server_info_exec(unused struct cmd *self, struct cmd_ctx *ctx)
{
	struct tty_term				*term;
	struct client				*c;
	struct session				*s;
	struct winlink				*wl;
	struct window				*w;
	struct window_pane			*wp;
	struct tty_code				*code;
	const struct tty_term_code_entry	*ent;
	struct utsname				 un;
	struct job				*job;
	struct grid				*gd;
	struct grid_line			*gl;
	u_int		 			 i, j, k;
	char					 out[80];
	char					*tim;
	time_t		 			 t;
	u_int					 lines, ulines;
	size_t					 size, usize;

	tim = ctime(&start_time);
	*strchr(tim, '\n') = '\0';
	ctx->print(ctx,
	    "tmux " VERSION ", pid %ld, started %s", (long) getpid(), tim);
	ctx->print(
	    ctx, "socket path %s, debug level %d", socket_path, debug_level);
	if (uname(&un) == 0) {
		ctx->print(ctx, "system is %s %s %s %s",
		    un.sysname, un.release, un.version, un.machine);
	}
	if (cfg_file != NULL)
		ctx->print(ctx, "configuration file is %s", cfg_file);
	else
		ctx->print(ctx, "configuration file not specified");
	ctx->print(ctx, "protocol version is %d", PROTOCOL_VERSION);
	ctx->print(ctx, "%s", "");

	ctx->print(ctx, "Clients:");
	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
		c = ARRAY_ITEM(&clients, i);
		if (c == NULL || c->session == NULL)
			continue;

		ctx->print(ctx,"%2d: %s (%d, %d): %s [%ux%u %s bs=%hho] "
		    "[flags=0x%x/0x%x, references=%u]", i, c->tty.path,
		    c->ibuf.fd, c->tty.fd, c->session->name,
		    c->tty.sx, c->tty.sy, c->tty.termname,
		    c->tty.tio.c_cc[VERASE], c->flags,
		    c->tty.flags, c->references);
	}
	ctx->print(ctx, "%s", "");

	ctx->print(ctx, "Sessions: [%zu/%zu]",
	    sizeof (struct grid_cell), sizeof (struct grid_utf8));
	RB_FOREACH(s, sessions, &sessions) {
		t = s->creation_time.tv_sec;
		tim = ctime(&t);
		*strchr(tim, '\n') = '\0';

		ctx->print(ctx, "%2u: %s: %u windows (created %s) [%ux%u] "
		    "[flags=0x%x]", s->idx, s->name,
		    winlink_count(&s->windows), tim, s->sx, s->sy, s->flags);
		RB_FOREACH(wl, winlinks, &s->windows) {
			w = wl->window;
			ctx->print(ctx, "%4u: %s [%ux%u] [flags=0x%x, "
			    "references=%u, last layout=%d]", wl->idx, w->name,
			    w->sx, w->sy, w->flags, w->references,
			    w->lastlayout);
			j = 0;
			TAILQ_FOREACH(wp, &w->panes, entry) {
				lines = ulines = size = usize = 0;
				gd = wp->base.grid;
				for (k = 0; k < gd->hsize + gd->sy; k++) {
					gl = &gd->linedata[k];
					if (gl->celldata != NULL) {
						lines++;
						size += gl->cellsize *
						    sizeof *gl->celldata;
					}
					if (gl->utf8data != NULL) {
						ulines++;
						usize += gl->utf8size *
						    sizeof *gl->utf8data;
					}
				}
				ctx->print(ctx, "%6u: %s %lu %d %u/%u, %zu "
				    "bytes; UTF-8 %u/%u, %zu bytes", j,
				    wp->tty, (u_long) wp->pid, wp->fd, lines,
				    gd->hsize + gd->sy, size, ulines,
				    gd->hsize + gd->sy, usize);
				j++;
			}
		}
	}
	ctx->print(ctx, "%s", "");

	ctx->print(ctx, "Terminals:");
	SLIST_FOREACH(term, &tty_terms, entry) {
		ctx->print(ctx, "%s [references=%u, flags=0x%x]:",
		    term->name, term->references, term->flags);
		for (i = 0; i < NTTYCODE; i++) {
			ent = &tty_term_codes[i];
			code = &term->codes[ent->code];
			switch (code->type) {
			case TTYCODE_NONE:
				ctx->print(ctx, "%2u: %s: [missing]",
				    ent->code, ent->name);
				break;
			case TTYCODE_STRING:
				strnvis(out, code->value.string, sizeof out,
				    VIS_OCTAL|VIS_TAB|VIS_NL);
				ctx->print(ctx, "%2u: %s: (string) %s",
				    ent->code, ent->name, out);
				break;
			case TTYCODE_NUMBER:
				ctx->print(ctx, "%2u: %s: (number) %d",
				    ent->code, ent->name, code->value.number);
				break;
			case TTYCODE_FLAG:
				ctx->print(ctx, "%2u: %s: (flag) %s",
				    ent->code, ent->name,
				    code->value.flag ? "true" : "false");
				break;
			}
		}
	}
	ctx->print(ctx, "%s", "");

	ctx->print(ctx, "Jobs:");
	SLIST_FOREACH(job, &all_jobs, lentry) {
		ctx->print(ctx, "%s [fd=%d, pid=%d, status=%d, flags=0x%x]",
		    job->cmd, job->fd, job->pid, job->status, job->flags);
	}

	return (0);
}