2 * tfcrypt -- high security Threefish encryption tool.
4 * tfcrypt is copyrighted:
5 * Copyright (C) 2012-2019 Andrey Rys. All rights reserved.
7 * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
9 * Permission is hereby granted, free of charge, to any person obtaining
10 * a copy of this software and associated documentation files (the
11 * "Software"), to deal in the Software without restriction, including
12 * without limitation the rights to use, copy, modify, merge, publish,
13 * distribute, sublicense, and/or sell copies of the Software, and to
14 * permit persons to whom the Software is furnished to do so, subject to
15 * the following conditions:
17 * The above copyright notice and this permission notice shall be
18 * included in all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
24 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
25 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
26 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 void exit_sigterm(int signal)
36 void handle_sigtstp(int signal)
38 if (signal == SIGTSTP) {
39 tfc_useconds freeze_start, freeze_end;
41 tfc_getcurtime(&freeze_start);
42 kill(getpid(), SIGSTOP);
43 tfc_getcurtime(&freeze_end);
44 total_time -= (freeze_end - freeze_start);
48 void print_crypt_status(int signal)
51 double seconds, human_totalproc_src, human_totalproc_dst, human_totalwrit_dst, human_wr_speed;
52 int src_scale_idx, dst_scale_idx, wri_scale_idx, wr_speed_scale;
53 const char *oper_mode, *inplace;
54 static tfc_yesno last;
55 tfc_yesno finished = NO;
57 if (last == YES) return;
60 do_stop = YES; /* error path or sksum finished */
61 if (signal == 0) last = YES;
65 case TFC_DO_ENCRYPT: oper_mode = "encrypted"; break;
66 case TFC_DO_DECRYPT: oper_mode = "decrypted"; break;
68 if (ctr_mode == TFC_MODE_PLAIN) oper_mode = "written";
69 else if (ctr_mode == TFC_MODE_XOR) oper_mode = "xored";
70 else if (ctr_mode == TFC_MODE_SKSUM) oper_mode = "hashed";
71 else oper_mode = NULL;
75 if (signal == SIGINT || signal == SIGTERM) {
79 tfc_getcurtime(¤t_time);
80 total_time += (current_time - delta_time);
81 seconds = TFC_UTODSECS(current_time - delta_time);
82 wr_speed = delta_processed / seconds;
83 tfc_describescale(total_processed_src, &human_totalproc_src, &src_scale_idx);
84 tfc_describescale(total_processed_dst, &human_totalproc_dst, &dst_scale_idx);
85 tfc_describescale(total_written_dst, &human_totalwrit_dst, &wri_scale_idx);
86 tfc_describescale(wr_speed, &human_wr_speed, &wr_speed_scale);
90 tfc_say("%s %s benchmark results:", tfc_format_pid(progname), tfc_modename(ctr_mode));
91 tfc_nfsay(stdout, "%s %llu (%.2f%s) bytes, "
92 "avg. speed %llu (%.2f%s) B/s, time %.4fs.",
94 total_processed_src, human_totalproc_src, tfc_getscale(src_scale_idx),
95 wr_speed, human_wr_speed, tfc_getscale(wr_speed_scale), seconds);
99 if (do_statline_dynamic == YES) inplace = "\033[2K\r";
102 if (do_less_stats == YES) {
103 tfc_nfsay(stderr, "%s%s%s:"
106 inplace, (finished && show_when_done) ? "finished: " : "", tfc_format_pid(progname),
108 human_totalproc_dst, tfc_getscale(dst_scale_idx),
109 human_wr_speed, tfc_getscale(wr_speed_scale), tfc_format_time(total_time));
112 if (ctr_mode <= TFC_MODE_PLAIN) tfc_nfsay(stderr, "%s%s%s: read: %llu (%.2f%s),"
113 " %s %llu (%.2f%s) bytes,"
114 " (%llu (%.2f%s) B/s), time %s",
115 inplace, (finished && show_when_done) ? "finished: " : "", tfc_format_pid(progname),
116 total_processed_src, human_totalproc_src, tfc_getscale(src_scale_idx),
118 total_processed_dst, human_totalproc_dst, tfc_getscale(dst_scale_idx),
119 wr_speed, human_wr_speed, tfc_getscale(wr_speed_scale), tfc_format_time(total_time));
120 else tfc_nfsay(stderr, "%s%s%s: read: %llu (%.2f%s),"
121 " %s %s %llu (%.2f%s) bytes,"
122 " written %llu (%.2f%s) bytes,"
123 " (%llu (%.2f%s) B/s), time %s",
124 inplace, (finished && show_when_done) ? "finished: " : "", tfc_format_pid(progname),
125 total_processed_src, human_totalproc_src, tfc_getscale(src_scale_idx),
126 tfc_modename(ctr_mode), oper_mode,
127 total_processed_dst, human_totalproc_dst, tfc_getscale(dst_scale_idx),
128 total_written_dst, human_totalwrit_dst, tfc_getscale(wri_scale_idx),
129 wr_speed, human_wr_speed, tfc_getscale(wr_speed_scale), tfc_format_time(total_time));
132 if (do_stop == NO && do_statline_dynamic == NO) tfc_esay("\n");
133 statline_was_shown = YES;
135 if ((signal == SIGINT || signal == SIGTERM) && do_stop == YES) exit_sigterm(signal);
138 tfc_getcurtime(&delta_time);
140 handle_sigtstp(signal);
142 if (status_timer) setup_next_alarm(status_timer);
145 void change_status_width(int signal)
147 if (do_less_stats == YES) do_less_stats = NO;
148 else if (do_less_stats == NO) do_less_stats = YES;
151 void change_status_timer(int signal)
153 static tfc_useconds reset_timer;
157 if (reset_timer && (t - reset_timer) < TFC_DTOUSECS(0.1)) status_timer = 0;
160 if (status_timer == 0) status_timer = TFC_DTOUSECS(0.25);
161 else status_timer *= 2;
163 if (verbose) tfc_esay("%s: status timer was changed to %.2fs",
164 tfc_format_pid(progname), TFC_UTODSECS(status_timer));
165 setup_next_alarm(status_timer);
168 void setup_next_alarm(tfc_useconds useconds)
172 memset(&it, 0, sizeof(struct itimerval));
173 it.it_value.tv_sec = useconds / 1000000;
174 it.it_value.tv_usec = useconds % 1000000;
175 setitimer(ITIMER_REAL, &it, NULL);