Annotation of embedaddon/rsync/progress.c, revision 1.1.1.3

1.1       misho       1: /*
                      2:  * Routines to output progress information during a file transfer.
                      3:  *
                      4:  * Copyright (C) 1996-2000 Andrew Tridgell
                      5:  * Copyright (C) 1996 Paul Mackerras
                      6:  * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
1.1.1.3 ! misho       7:  * Copyright (C) 2003-2015 Wayne Davison
1.1       misho       8:  *
                      9:  * This program is free software; you can redistribute it and/or modify
                     10:  * it under the terms of the GNU General Public License as published by
                     11:  * the Free Software Foundation; either version 3 of the License, or
                     12:  * (at your option) any later version.
                     13:  *
                     14:  * This program is distributed in the hope that it will be useful,
                     15:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     16:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     17:  * GNU General Public License for more details.
                     18:  *
                     19:  * You should have received a copy of the GNU General Public License along
                     20:  * with this program; if not, visit the http://fsf.org website.
                     21:  */
                     22: 
                     23: #include "rsync.h"
1.1.1.2   misho      24: #include "inums.h"
1.1       misho      25: 
                     26: extern int am_server;
1.1.1.2   misho      27: extern int flist_eof;
1.1       misho      28: extern int need_unsorted_flist;
1.1.1.2   misho      29: extern int output_needs_newline;
1.1       misho      30: extern struct stats stats;
                     31: extern struct file_list *cur_flist;
                     32: 
                     33: #define PROGRESS_HISTORY_SECS 5
                     34: 
                     35: #ifdef GETPGRP_VOID
                     36: #define GETPGRP_ARG
                     37: #else
                     38: #define GETPGRP_ARG 0
                     39: #endif
                     40: 
                     41: struct progress_history {
                     42:        struct timeval time;
                     43:        OFF_T ofs;
                     44: };
                     45: 
                     46: static struct progress_history ph_start;
                     47: static struct progress_history ph_list[PROGRESS_HISTORY_SECS];
                     48: static int newest_hpos, oldest_hpos;
                     49: static int current_file_index;
                     50: 
                     51: static unsigned long msdiff(struct timeval *t1, struct timeval *t2)
                     52: {
                     53:        return (t2->tv_sec - t1->tv_sec) * 1000L
                     54:             + (t2->tv_usec - t1->tv_usec) / 1000;
                     55: }
                     56: 
                     57: 
                     58: /**
                     59:  * @param ofs Current position in file
                     60:  * @param size Total size of file
                     61:  * @param is_last True if this is the last time progress will be
                     62:  * printed for this file, so we should output a newline.  (Not
                     63:  * necessarily the same as all bytes being received.)
                     64:  **/
                     65: static void rprint_progress(OFF_T ofs, OFF_T size, struct timeval *now,
                     66:                            int is_last)
                     67: {
                     68:        char rembuf[64], eol[128];
                     69:        const char *units;
                     70:        unsigned long diff;
                     71:        double rate, remain;
1.1.1.2   misho      72:        int pct;
1.1       misho      73: 
                     74:        if (is_last) {
1.1.1.2   misho      75:                int len = snprintf(eol, sizeof eol,
                     76:                        " (xfr#%d, %s-chk=%d/%d)\n",
                     77:                        stats.xferred_files, flist_eof ? "to" : "ir",
                     78:                        stats.num_files - current_file_index - 1,
                     79:                        stats.num_files);
                     80:                if (INFO_GTE(PROGRESS, 2)) {
                     81:                        static int last_len = 0;
                     82:                        /* Drop \n and pad with spaces if line got shorter. */
                     83:                        if (last_len < --len)
                     84:                                last_len = len;
                     85:                        eol[last_len] = '\0';
                     86:                        while (last_len > len)
                     87:                                eol[--last_len] = ' ';
                     88:                        is_last = 0;
                     89:                }
1.1       misho      90:                /* Compute stats based on the starting info. */
                     91:                if (!ph_start.time.tv_sec
                     92:                    || !(diff = msdiff(&ph_start.time, now)))
                     93:                        diff = 1;
                     94:                rate = (double) (ofs - ph_start.ofs) * 1000.0 / diff / 1024.0;
                     95:                /* Switch to total time taken for our last update. */
                     96:                remain = (double) diff / 1000.0;
                     97:        } else {
1.1.1.2   misho      98:                strlcpy(eol, "  ", sizeof eol);
1.1       misho      99:                /* Compute stats based on recent progress. */
                    100:                if (!(diff = msdiff(&ph_list[oldest_hpos].time, now)))
                    101:                        diff = 1;
                    102:                rate = (double) (ofs - ph_list[oldest_hpos].ofs) * 1000.0
                    103:                     / diff / 1024.0;
                    104:                remain = rate ? (double) (size - ofs) / rate / 1000.0 : 0.0;
                    105:        }
                    106: 
                    107:        if (rate > 1024*1024) {
                    108:                rate /= 1024.0 * 1024.0;
                    109:                units = "GB/s";
                    110:        } else if (rate > 1024) {
                    111:                rate /= 1024.0;
                    112:                units = "MB/s";
                    113:        } else {
                    114:                units = "kB/s";
                    115:        }
                    116: 
                    117:        if (remain < 0)
                    118:                strlcpy(rembuf, "  ??:??:??", sizeof rembuf);
                    119:        else {
                    120:                snprintf(rembuf, sizeof rembuf, "%4d:%02d:%02d",
                    121:                         (int) (remain / 3600.0),
                    122:                         (int) (remain / 60.0) % 60,
                    123:                         (int) remain % 60);
                    124:        }
                    125: 
1.1.1.2   misho     126:        output_needs_newline = 0;
                    127:        pct = ofs == size ? 100 : (int) (100.0 * ofs / size);
                    128:        rprintf(FCLIENT, "\r%15s %3d%% %7.2f%s %s%s",
1.1       misho     129:                human_num(ofs), pct, rate, units, rembuf, eol);
1.1.1.2   misho     130:        if (!is_last) {
                    131:                output_needs_newline = 1;
                    132:                rflush(FCLIENT);
                    133:        }
1.1       misho     134: }
                    135: 
                    136: void set_current_file_index(struct file_struct *file, int ndx)
                    137: {
1.1.1.2   misho     138:        if (!file)
                    139:                current_file_index = cur_flist->used + cur_flist->ndx_start - 1;
                    140:        else if (need_unsorted_flist)
1.1       misho     141:                current_file_index = flist_find(cur_flist, file) + cur_flist->ndx_start;
                    142:        else
                    143:                current_file_index = ndx;
                    144:        current_file_index -= cur_flist->flist_num;
                    145: }
                    146: 
                    147: void end_progress(OFF_T size)
                    148: {
                    149:        if (!am_server) {
                    150:                struct timeval now;
                    151:                gettimeofday(&now, NULL);
1.1.1.2   misho     152:                if (INFO_GTE(PROGRESS, 2)) {
                    153:                        rprint_progress(stats.total_transferred_size,
                    154:                                        stats.total_size, &now, True);
                    155:                } else {
                    156:                        rprint_progress(size, size, &now, True);
                    157:                        memset(&ph_start, 0, sizeof ph_start);
                    158:                }
1.1       misho     159:        }
                    160: }
                    161: 
                    162: void show_progress(OFF_T ofs, OFF_T size)
                    163: {
                    164:        struct timeval now;
                    165: #if defined HAVE_GETPGRP && defined HAVE_TCGETPGRP
                    166:        static pid_t pgrp = -1;
                    167:        pid_t tc_pgrp;
                    168: #endif
                    169: 
                    170:        if (am_server)
                    171:                return;
                    172: 
                    173: #if defined HAVE_GETPGRP && defined HAVE_TCGETPGRP
                    174:        if (pgrp == -1)
                    175:                pgrp = getpgrp(GETPGRP_ARG);
                    176: #endif
                    177: 
                    178:        gettimeofday(&now, NULL);
                    179: 
1.1.1.3 ! misho     180:        if (INFO_GTE(PROGRESS, 2)) {
        !           181:                ofs = stats.total_transferred_size - size + ofs;
        !           182:                size = stats.total_size;
        !           183:        }
        !           184: 
1.1       misho     185:        if (!ph_start.time.tv_sec) {
                    186:                int i;
                    187: 
                    188:                /* Try to guess the real starting time when the sender started
                    189:                 * to send us data by using the time we last received some data
                    190:                 * in the last file (if it was recent enough). */
                    191:                if (msdiff(&ph_list[newest_hpos].time, &now) <= 1500) {
                    192:                        ph_start.time = ph_list[newest_hpos].time;
                    193:                        ph_start.ofs = 0;
                    194:                } else {
                    195:                        ph_start.time.tv_sec = now.tv_sec;
                    196:                        ph_start.time.tv_usec = now.tv_usec;
                    197:                        ph_start.ofs = ofs;
                    198:                }
                    199: 
                    200:                for (i = 0; i < PROGRESS_HISTORY_SECS; i++)
                    201:                        ph_list[i] = ph_start;
                    202:        }
                    203:        else {
                    204:                if (msdiff(&ph_list[newest_hpos].time, &now) < 1000)
                    205:                        return;
                    206: 
                    207:                newest_hpos = oldest_hpos;
                    208:                oldest_hpos = (oldest_hpos + 1) % PROGRESS_HISTORY_SECS;
                    209:                ph_list[newest_hpos].time.tv_sec = now.tv_sec;
                    210:                ph_list[newest_hpos].time.tv_usec = now.tv_usec;
                    211:                ph_list[newest_hpos].ofs = ofs;
                    212:        }
                    213: 
                    214: #if defined HAVE_GETPGRP && defined HAVE_TCGETPGRP
                    215:        tc_pgrp = tcgetpgrp(STDOUT_FILENO);
                    216:        if (tc_pgrp != pgrp && tc_pgrp != -1)
                    217:                return;
                    218: #endif
                    219: 
1.1.1.3 ! misho     220:        rprint_progress(ofs, size, &now, False);
1.1       misho     221: }

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