dtucker@openbsd.org | 3bf2a6a | 2020-01-23 07:10:22 +0000 | [diff] [blame] | 1 | /* $OpenBSD: progressmeter.c,v 1.50 2020/01/23 07:10:22 dtucker Exp $ */ |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 2 | /* |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 3 | * Copyright (c) 2003 Nils Nordman. All rights reserved. |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 17 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 26 | #include "includes.h" |
Damien Miller | 17e91c0 | 2006-03-15 11:28:34 +1100 | [diff] [blame] | 27 | |
Damien Miller | e6b3b61 | 2006-07-24 14:01:23 +1000 | [diff] [blame] | 28 | #include <sys/types.h> |
Damien Miller | 17e91c0 | 2006-03-15 11:28:34 +1100 | [diff] [blame] | 29 | #include <sys/ioctl.h> |
Damien Miller | d783435 | 2006-08-05 12:39:39 +1000 | [diff] [blame] | 30 | #include <sys/uio.h> |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 31 | |
Darren Tucker | 3997249 | 2006-07-12 22:22:46 +1000 | [diff] [blame] | 32 | #include <errno.h> |
Damien Miller | 6ff3cad | 2006-03-15 11:52:09 +1100 | [diff] [blame] | 33 | #include <signal.h> |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 34 | #include <stdarg.h> |
Damien Miller | a7a73ee | 2006-08-05 11:37:59 +1000 | [diff] [blame] | 35 | #include <stdio.h> |
Damien Miller | e3476ed | 2006-07-24 14:13:33 +1000 | [diff] [blame] | 36 | #include <string.h> |
Damien Miller | 5598b4f | 2006-07-24 14:09:40 +1000 | [diff] [blame] | 37 | #include <time.h> |
Damien Miller | e6b3b61 | 2006-07-24 14:01:23 +1000 | [diff] [blame] | 38 | #include <unistd.h> |
Damien Miller | 6ff3cad | 2006-03-15 11:52:09 +1100 | [diff] [blame] | 39 | |
Damien Miller | 71a5141 | 2003-01-14 22:23:23 +1100 | [diff] [blame] | 40 | #include "progressmeter.h" |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 41 | #include "atomicio.h" |
Damien Miller | 0cbb9de | 2003-06-04 22:56:15 +1000 | [diff] [blame] | 42 | #include "misc.h" |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 43 | #include "utf8.h" |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 44 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 45 | #define DEFAULT_WINSIZE 80 |
| 46 | #define MAX_WINSIZE 512 |
| 47 | #define PADDING 1 /* padding between the progress indicators */ |
| 48 | #define UPDATE_INTERVAL 1 /* update the progress meter every second */ |
| 49 | #define STALL_TIME 5 /* we're stalled after this many seconds */ |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 50 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 51 | /* determines whether we can output to the terminal */ |
| 52 | static int can_output(void); |
| 53 | |
| 54 | /* formats and inserts the specified size into the given buffer */ |
| 55 | static void format_size(char *, int, off_t); |
| 56 | static void format_rate(char *, int, off_t); |
| 57 | |
Damien Miller | 0565696 | 2005-06-16 13:18:04 +1000 | [diff] [blame] | 58 | /* window resizing */ |
| 59 | static void sig_winch(int); |
| 60 | static void setscreensize(void); |
| 61 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 62 | /* signal handler for updating the progress meter */ |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 63 | static void sig_alarm(int); |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 64 | |
dtucker@openbsd.org | b8d4eaf | 2016-03-02 22:42:40 +0000 | [diff] [blame] | 65 | static double start; /* start progress */ |
| 66 | static double last_update; /* last progress update */ |
djm@openbsd.org | 7d845f4 | 2015-01-14 13:54:13 +0000 | [diff] [blame] | 67 | static const char *file; /* name of the file being transferred */ |
Darren Tucker | 5d80e45 | 2013-10-10 10:25:09 +1100 | [diff] [blame] | 68 | static off_t start_pos; /* initial position of transfer */ |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 69 | static off_t end_pos; /* ending position of transfer */ |
| 70 | static off_t cur_pos; /* transfer position as of last refresh */ |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 71 | static volatile off_t *counter; /* progress counter */ |
Darren Tucker | fc95970 | 2004-07-17 16:12:08 +1000 | [diff] [blame] | 72 | static long stalled; /* how long we have been stalled */ |
| 73 | static int bytes_per_second; /* current speed in bytes per second */ |
| 74 | static int win_size; /* terminal window size */ |
Damien Miller | 0565696 | 2005-06-16 13:18:04 +1000 | [diff] [blame] | 75 | static volatile sig_atomic_t win_resized; /* for window resizing */ |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 76 | static volatile sig_atomic_t alarm_fired; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 77 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 78 | /* units for format_size */ |
| 79 | static const char unit[] = " KMGT"; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 80 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 81 | static int |
| 82 | can_output(void) |
| 83 | { |
| 84 | return (getpgrp() == tcgetpgrp(STDOUT_FILENO)); |
| 85 | } |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 86 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 87 | static void |
| 88 | format_rate(char *buf, int size, off_t bytes) |
| 89 | { |
| 90 | int i; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 91 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 92 | bytes *= 100; |
| 93 | for (i = 0; bytes >= 100*1000 && unit[i] != 'T'; i++) |
| 94 | bytes = (bytes + 512) / 1024; |
| 95 | if (i == 0) { |
| 96 | i++; |
| 97 | bytes = (bytes + 512) / 1024; |
| 98 | } |
| 99 | snprintf(buf, size, "%3lld.%1lld%c%s", |
Darren Tucker | e0be304 | 2005-11-25 14:44:55 +1100 | [diff] [blame] | 100 | (long long) (bytes + 5) / 100, |
| 101 | (long long) (bytes + 5) / 10 % 10, |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 102 | unit[i], |
| 103 | i ? "B" : " "); |
| 104 | } |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 105 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 106 | static void |
| 107 | format_size(char *buf, int size, off_t bytes) |
| 108 | { |
| 109 | int i; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 110 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 111 | for (i = 0; bytes >= 10000 && unit[i] != 'T'; i++) |
| 112 | bytes = (bytes + 512) / 1024; |
| 113 | snprintf(buf, size, "%4lld%c%s", |
Darren Tucker | e0be304 | 2005-11-25 14:44:55 +1100 | [diff] [blame] | 114 | (long long) bytes, |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 115 | unit[i], |
| 116 | i ? "B" : " "); |
| 117 | } |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 118 | |
| 119 | void |
dtucker@openbsd.org | bdc6c63 | 2019-01-24 16:52:17 +0000 | [diff] [blame] | 120 | refresh_progress_meter(int force_update) |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 121 | { |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 122 | char buf[MAX_WINSIZE + 1]; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 123 | off_t transferred; |
dtucker@openbsd.org | b8d4eaf | 2016-03-02 22:42:40 +0000 | [diff] [blame] | 124 | double elapsed, now; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 125 | int percent; |
Darren Tucker | 7f73a49 | 2004-02-06 16:41:37 +1100 | [diff] [blame] | 126 | off_t bytes_left; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 127 | int cur_speed; |
| 128 | int hours, minutes, seconds; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 129 | int file_len; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 130 | |
dtucker@openbsd.org | bdc6c63 | 2019-01-24 16:52:17 +0000 | [diff] [blame] | 131 | if ((!force_update && !alarm_fired && !win_resized) || !can_output()) |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 132 | return; |
| 133 | alarm_fired = 0; |
| 134 | |
| 135 | if (win_resized) { |
| 136 | setscreensize(); |
| 137 | win_resized = 0; |
| 138 | } |
| 139 | |
Darren Tucker | 5d80e45 | 2013-10-10 10:25:09 +1100 | [diff] [blame] | 140 | transferred = *counter - (cur_pos ? cur_pos : start_pos); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 141 | cur_pos = *counter; |
dtucker@openbsd.org | b8d4eaf | 2016-03-02 22:42:40 +0000 | [diff] [blame] | 142 | now = monotime_double(); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 143 | bytes_left = end_pos - cur_pos; |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 144 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 145 | if (bytes_left > 0) |
| 146 | elapsed = now - last_update; |
Darren Tucker | 1fb0425 | 2003-12-09 19:07:13 +1100 | [diff] [blame] | 147 | else { |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 148 | elapsed = now - start; |
Darren Tucker | 1fb0425 | 2003-12-09 19:07:13 +1100 | [diff] [blame] | 149 | /* Calculate true total speed when done */ |
Darren Tucker | 5d80e45 | 2013-10-10 10:25:09 +1100 | [diff] [blame] | 150 | transferred = end_pos - start_pos; |
Darren Tucker | 1fb0425 | 2003-12-09 19:07:13 +1100 | [diff] [blame] | 151 | bytes_per_second = 0; |
| 152 | } |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 153 | |
| 154 | /* calculate speed */ |
| 155 | if (elapsed != 0) |
| 156 | cur_speed = (transferred / elapsed); |
| 157 | else |
Darren Tucker | 1fb0425 | 2003-12-09 19:07:13 +1100 | [diff] [blame] | 158 | cur_speed = transferred; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 159 | |
| 160 | #define AGE_FACTOR 0.9 |
| 161 | if (bytes_per_second != 0) { |
| 162 | bytes_per_second = (bytes_per_second * AGE_FACTOR) + |
| 163 | (cur_speed * (1.0 - AGE_FACTOR)); |
| 164 | } else |
| 165 | bytes_per_second = cur_speed; |
| 166 | |
| 167 | /* filename */ |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 168 | buf[0] = '\0'; |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 169 | file_len = win_size - 36; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 170 | if (file_len > 0) { |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 171 | buf[0] = '\r'; |
dtucker@openbsd.org | 62dd706 | 2019-05-03 06:06:30 +0000 | [diff] [blame] | 172 | snmprintf(buf+1, sizeof(buf)-1, &file_len, "%-*s", |
| 173 | file_len, file); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | /* percent of transfer done */ |
dtucker@openbsd.org | e683fc6 | 2016-06-30 05:17:05 +0000 | [diff] [blame] | 177 | if (end_pos == 0 || cur_pos == end_pos) |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 178 | percent = 100; |
dtucker@openbsd.org | e683fc6 | 2016-06-30 05:17:05 +0000 | [diff] [blame] | 179 | else |
| 180 | percent = ((float)cur_pos / end_pos) * 100; |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 181 | snprintf(buf + strlen(buf), win_size - strlen(buf), |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 182 | " %3d%% ", percent); |
| 183 | |
| 184 | /* amount transferred */ |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 185 | format_size(buf + strlen(buf), win_size - strlen(buf), |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 186 | cur_pos); |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 187 | strlcat(buf, " ", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 188 | |
| 189 | /* bandwidth usage */ |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 190 | format_rate(buf + strlen(buf), win_size - strlen(buf), |
Darren Tucker | 1f8311c | 2004-05-13 16:39:33 +1000 | [diff] [blame] | 191 | (off_t)bytes_per_second); |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 192 | strlcat(buf, "/s ", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 193 | |
| 194 | /* ETA */ |
| 195 | if (!transferred) |
| 196 | stalled += elapsed; |
| 197 | else |
| 198 | stalled = 0; |
| 199 | |
| 200 | if (stalled >= STALL_TIME) |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 201 | strlcat(buf, "- stalled -", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 202 | else if (bytes_per_second == 0 && bytes_left) |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 203 | strlcat(buf, " --:-- ETA", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 204 | else { |
| 205 | if (bytes_left > 0) |
| 206 | seconds = bytes_left / bytes_per_second; |
| 207 | else |
| 208 | seconds = elapsed; |
| 209 | |
| 210 | hours = seconds / 3600; |
| 211 | seconds -= hours * 3600; |
| 212 | minutes = seconds / 60; |
| 213 | seconds -= minutes * 60; |
| 214 | |
| 215 | if (hours != 0) |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 216 | snprintf(buf + strlen(buf), win_size - strlen(buf), |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 217 | "%d:%02d:%02d", hours, minutes, seconds); |
| 218 | else |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 219 | snprintf(buf + strlen(buf), win_size - strlen(buf), |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 220 | " %02d:%02d", minutes, seconds); |
| 221 | |
| 222 | if (bytes_left > 0) |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 223 | strlcat(buf, " ETA", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 224 | else |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 225 | strlcat(buf, " ", win_size); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 226 | } |
| 227 | |
schwarze@openbsd.org | 6c17171 | 2016-05-30 18:34:41 +0000 | [diff] [blame] | 228 | atomicio(vwrite, STDOUT_FILENO, buf, win_size - 1); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 229 | last_update = now; |
| 230 | } |
| 231 | |
Damien Miller | ee0d0db | 2006-07-24 14:08:50 +1000 | [diff] [blame] | 232 | /*ARGSUSED*/ |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 233 | static void |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 234 | sig_alarm(int ignore) |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 235 | { |
dtucker@openbsd.org | 8976f1c | 2019-01-23 08:01:46 +0000 | [diff] [blame] | 236 | alarm_fired = 1; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 237 | alarm(UPDATE_INTERVAL); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 238 | } |
| 239 | |
| 240 | void |
djm@openbsd.org | 7d845f4 | 2015-01-14 13:54:13 +0000 | [diff] [blame] | 241 | start_progress_meter(const char *f, off_t filesize, off_t *ctr) |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 242 | { |
dtucker@openbsd.org | b8d4eaf | 2016-03-02 22:42:40 +0000 | [diff] [blame] | 243 | start = last_update = monotime_double(); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 244 | file = f; |
Darren Tucker | 5d80e45 | 2013-10-10 10:25:09 +1100 | [diff] [blame] | 245 | start_pos = *ctr; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 246 | end_pos = filesize; |
| 247 | cur_pos = 0; |
Darren Tucker | 3f9fdc7 | 2004-06-22 12:56:01 +1000 | [diff] [blame] | 248 | counter = ctr; |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 249 | stalled = 0; |
| 250 | bytes_per_second = 0; |
| 251 | |
Damien Miller | 0565696 | 2005-06-16 13:18:04 +1000 | [diff] [blame] | 252 | setscreensize(); |
dtucker@openbsd.org | bdc6c63 | 2019-01-24 16:52:17 +0000 | [diff] [blame] | 253 | refresh_progress_meter(1); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 254 | |
dtucker@openbsd.org | 3bf2a6a | 2020-01-23 07:10:22 +0000 | [diff] [blame] | 255 | ssh_signal(SIGALRM, sig_alarm); |
| 256 | ssh_signal(SIGWINCH, sig_winch); |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 257 | alarm(UPDATE_INTERVAL); |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 258 | } |
| 259 | |
| 260 | void |
Damien Miller | 2b92d32 | 2003-06-11 22:05:06 +1000 | [diff] [blame] | 261 | stop_progress_meter(void) |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 262 | { |
| 263 | alarm(0); |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 264 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 265 | if (!can_output()) |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 266 | return; |
| 267 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 268 | /* Ensure we complete the progress */ |
| 269 | if (cur_pos != end_pos) |
dtucker@openbsd.org | bdc6c63 | 2019-01-24 16:52:17 +0000 | [diff] [blame] | 270 | refresh_progress_meter(1); |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 271 | |
Darren Tucker | 06ef75b | 2003-08-02 23:28:38 +1000 | [diff] [blame] | 272 | atomicio(vwrite, STDOUT_FILENO, "\n", 1); |
Damien Miller | 6fd00e0 | 2003-01-10 21:46:02 +1100 | [diff] [blame] | 273 | } |
Damien Miller | 0565696 | 2005-06-16 13:18:04 +1000 | [diff] [blame] | 274 | |
Damien Miller | f0b15df | 2006-03-26 13:59:20 +1100 | [diff] [blame] | 275 | /*ARGSUSED*/ |
Damien Miller | 0565696 | 2005-06-16 13:18:04 +1000 | [diff] [blame] | 276 | static void |
| 277 | sig_winch(int sig) |
| 278 | { |
| 279 | win_resized = 1; |
| 280 | } |
| 281 | |
| 282 | static void |
| 283 | setscreensize(void) |
| 284 | { |
| 285 | struct winsize winsize; |
| 286 | |
| 287 | if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &winsize) != -1 && |
| 288 | winsize.ws_col != 0) { |
| 289 | if (winsize.ws_col > MAX_WINSIZE) |
| 290 | win_size = MAX_WINSIZE; |
| 291 | else |
| 292 | win_size = winsize.ws_col; |
| 293 | } else |
| 294 | win_size = DEFAULT_WINSIZE; |
| 295 | win_size += 1; /* trailing \0 */ |
| 296 | } |