1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Keith Muller of the University of California, San Diego and Lance
9 * Visser of Convex Computer Corporation.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 * may be used to endorse or promote products derived from this software
21 * without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)misc.c 8.3 (Berkeley) 4/2/94";
39 #endif
40 #endif /* not lint */
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
43
44 #include <sys/types.h>
45
46 #include <err.h>
47 #include <errno.h>
48 #include <inttypes.h>
49 #include <libutil.h>
50 #include <signal.h>
51 #include <stdio.h>
52 #include <stdlib.h>
53 #include <string.h>
54 #include <time.h>
55 #include <unistd.h>
56
57 #include "dd.h"
58 #include "extern.h"
59
60 double
secs_elapsed(void)61 secs_elapsed(void)
62 {
63 struct timespec end, ts_res;
64 double secs, res;
65
66 if (clock_gettime(CLOCK_MONOTONIC, &end))
67 err(1, "clock_gettime");
68 if (clock_getres(CLOCK_MONOTONIC, &ts_res))
69 err(1, "clock_getres");
70 secs = (end.tv_sec - st.start.tv_sec) + \
71 (end.tv_nsec - st.start.tv_nsec) * 1e-9;
72 res = ts_res.tv_sec + ts_res.tv_nsec * 1e-9;
73 if (secs < res)
74 secs = res;
75
76 return (secs);
77 }
78
79 void
summary(void)80 summary(void)
81 {
82 double secs;
83
84 if (ddflags & C_NOINFO)
85 return;
86
87 if (ddflags & C_PROGRESS)
88 fprintf(stderr, "\n");
89
90 secs = secs_elapsed();
91
92 (void)fprintf(stderr,
93 "%ju+%ju records in\n%ju+%ju records out\n",
94 st.in_full, st.in_part, st.out_full, st.out_part);
95 if (st.swab)
96 (void)fprintf(stderr, "%ju odd length swab %s\n",
97 st.swab, (st.swab == 1) ? "block" : "blocks");
98 if (st.trunc)
99 (void)fprintf(stderr, "%ju truncated %s\n",
100 st.trunc, (st.trunc == 1) ? "block" : "blocks");
101 if (!(ddflags & C_NOXFER)) {
102 (void)fprintf(stderr,
103 "%ju bytes transferred in %.6f secs (%.0f bytes/sec)\n",
104 st.bytes, secs, st.bytes / secs);
105 }
106 need_summary = 0;
107 }
108
109 void
progress(void)110 progress(void)
111 {
112 static int outlen;
113 char si[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */
114 char iec[4 + 1 + 3 + 1]; /* 123 <space> <suffix> NUL */
115 char persec[4 + 1 + 2 + 1]; /* 123 <space> <suffix> NUL */
116 char *buf;
117 double secs;
118
119 secs = secs_elapsed();
120 humanize_number(si, sizeof(si), (int64_t)st.bytes, "B", HN_AUTOSCALE,
121 HN_DECIMAL | HN_DIVISOR_1000);
122 humanize_number(iec, sizeof(iec), (int64_t)st.bytes, "B", HN_AUTOSCALE,
123 HN_DECIMAL | HN_IEC_PREFIXES);
124 humanize_number(persec, sizeof(persec), (int64_t)(st.bytes / secs), "B",
125 HN_AUTOSCALE, HN_DECIMAL | HN_DIVISOR_1000);
126 asprintf(&buf, " %'ju bytes (%s, %s) transferred %.3fs, %s/s",
127 (uintmax_t)st.bytes, si, iec, secs, persec);
128 outlen = fprintf(stderr, "%-*s\r", outlen, buf) - 1;
129 fflush(stderr);
130 free(buf);
131 need_progress = 0;
132 }
133
134 /* ARGSUSED */
135 void
siginfo_handler(int signo __unused)136 siginfo_handler(int signo __unused)
137 {
138
139 need_summary = 1;
140 }
141
142 /* ARGSUSED */
143 void
sigalarm_handler(int signo __unused)144 sigalarm_handler(int signo __unused)
145 {
146
147 need_progress = 1;
148 }
149
150 /* ARGSUSED */
151 void
terminate(int sig)152 terminate(int sig)
153 {
154
155 summary();
156 _exit(sig == 0 ? 0 : 1);
157 }
158