xref: /dragonfly/sbin/hammer2/cmd_stat.c (revision a4da4a90)
1 /*
2  * Copyright (c) 2011-2012 The DragonFly Project.  All rights reserved.
3  *
4  * This code is derived from software contributed to The DragonFly Project
5  * by Matthew Dillon <dillon@dragonflybsd.org>
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  * 3. Neither the name of The DragonFly Project nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific, prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE
25  * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #include "hammer2.h"
36 
37 static const char *compmodestr(uint8_t comp_algo);
38 static const char *checkmodestr(uint8_t comp_algo);
39 
40 /*
41  * Should be run as root.  Creates /etc/hammer2/rsa.{pub,prv} using
42  * an openssl command.
43  */
44 int
45 cmd_stat(int ac, const char **av)
46 {
47 	hammer2_ioc_inode_t ino;
48 	const char *cdir = ".";
49 	int ecode = 0;
50 	int w;
51 	int i;
52 	int fd;
53 
54 	if (ac == 0) {
55 		ac = 1;
56 		av = &cdir;
57 	}
58 	for (i = w = 0; i < ac; ++i) {
59 		if (w < (int)strlen(av[i]))
60 			w = (int)strlen(av[i]);
61 	}
62 	if (w < 16)
63 		w = 16;
64 	printf("%-*.*s ncp  data-use inode-use comp               check        quota\n",
65 		w, w, "PATH");
66 	for (i = 0; i < ac; ++i) {
67 		if ((fd = open(av[i], O_RDONLY)) < 0) {
68 			fprintf(stderr, "%s: %s\n", av[i], strerror(errno));
69 			ecode = 1;
70 			continue;
71 		}
72 		if (ioctl(fd, HAMMER2IOC_INODE_GET, &ino) < 0) {
73 			fprintf(stderr, "%s: %s\n", av[i], strerror(errno));
74 			ecode = 1;
75 			continue;
76 		}
77 		printf("%-*.*s ", w, w, av[i]);
78 		printf("%3d ", ino.ip_data.meta.ncopies);
79 		printf("%9s ", sizetostr(ino.data_count));
80 		printf("%9s ", counttostr(ino.inode_count));
81 		printf("%-18s ", compmodestr(ino.ip_data.meta.comp_algo));
82 		printf("%-12s ", checkmodestr(ino.ip_data.meta.check_algo));
83 		if (ino.ip_data.meta.data_quota ||
84 		    ino.ip_data.meta.inode_quota) {
85 			printf("%s",
86 				sizetostr(ino.ip_data.meta.data_quota));
87 			printf("/%-12s",
88 				counttostr(ino.ip_data.meta.inode_quota));
89 		}
90 		printf("\n");
91 	}
92 	return ecode;
93 }
94 
95 static
96 const char *
97 compmodestr(uint8_t comp_algo)
98 {
99 	static char buf[64];
100 	static const char *comps[] = HAMMER2_COMP_STRINGS;
101 	int comp = HAMMER2_DEC_ALGO(comp_algo);
102 	int level = HAMMER2_DEC_LEVEL(comp_algo);
103 
104 	if (level) {
105 		if (comp >= 0 && comp < HAMMER2_COMP_STRINGS_COUNT)
106 			snprintf(buf, sizeof(buf), "%s:%d",
107 				 comps[comp], level);
108 		else
109 			snprintf(buf, sizeof(buf), "unknown(%d):%d",
110 				 comp, level);
111 	} else {
112 		if (comp >= 0 && comp < HAMMER2_COMP_STRINGS_COUNT)
113 			snprintf(buf, sizeof(buf), "%s:default",
114 				 comps[comp]);
115 		else
116 			snprintf(buf, sizeof(buf), "unknown(%d):default",
117 				 comp);
118 	}
119 	return (buf);
120 }
121 
122 static
123 const char *
124 checkmodestr(uint8_t check_algo)
125 {
126 	static char buf[64];
127 	static const char *checks[] = HAMMER2_CHECK_STRINGS;
128 	int check = HAMMER2_DEC_ALGO(check_algo);
129 	int level = HAMMER2_DEC_LEVEL(check_algo);
130 
131 	/*
132 	 * NOTE: Check algorithms normally do not encode any level.
133 	 */
134 	if (level) {
135 		if (check >= 0 && check < HAMMER2_CHECK_STRINGS_COUNT)
136 			snprintf(buf, sizeof(buf), "%s:%d",
137 				 checks[check], level);
138 		else
139 			snprintf(buf, sizeof(buf), "unknown(%d):%d",
140 				 check, level);
141 	} else {
142 		if (check >= 0 && check < HAMMER2_CHECK_STRINGS_COUNT)
143 			snprintf(buf, sizeof(buf), "%s", checks[check]);
144 		else
145 			snprintf(buf, sizeof(buf), "unknown(%d)", check);
146 	}
147 	return (buf);
148 }
149