• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
9  *
10  * This software is licensed as described in the file COPYING, which
11  * you should have received as part of this distribution. The terms
12  * are also available at https://curl.se/docs/copyright.html.
13  *
14  * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15  * copies of the Software, and permit persons to whom the Software is
16  * furnished to do so, under the terms of the COPYING file.
17  *
18  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19  * KIND, either express or implied.
20  *
21  * SPDX-License-Identifier: curl
22  *
23  ***************************************************************************/
24 #include "tool_setup.h"
25 #include "tool_operate.h"
26 #include "tool_progress.h"
27 #include "tool_util.h"
28 
29 #define ENABLE_CURLX_PRINTF
30 /* use our own printf() functions */
31 #include "curlx.h"
32 
33 /* The point of this function would be to return a string of the input data,
34    but never longer than 5 columns (+ one zero byte).
35    Add suffix k, M, G when suitable... */
max5data(curl_off_t bytes,char * max5)36 static char *max5data(curl_off_t bytes, char *max5)
37 {
38 #define ONE_KILOBYTE  CURL_OFF_T_C(1024)
39 #define ONE_MEGABYTE (CURL_OFF_T_C(1024) * ONE_KILOBYTE)
40 #define ONE_GIGABYTE (CURL_OFF_T_C(1024) * ONE_MEGABYTE)
41 #define ONE_TERABYTE (CURL_OFF_T_C(1024) * ONE_GIGABYTE)
42 #define ONE_PETABYTE (CURL_OFF_T_C(1024) * ONE_TERABYTE)
43 
44   if(bytes < CURL_OFF_T_C(100000))
45     msnprintf(max5, 6, "%5" CURL_FORMAT_CURL_OFF_T, bytes);
46 
47   else if(bytes < CURL_OFF_T_C(10000) * ONE_KILOBYTE)
48     msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "k", bytes/ONE_KILOBYTE);
49 
50   else if(bytes < CURL_OFF_T_C(100) * ONE_MEGABYTE)
51     /* 'XX.XM' is good as long as we're less than 100 megs */
52     msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
53               CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE,
54               (bytes%ONE_MEGABYTE) / (ONE_MEGABYTE/CURL_OFF_T_C(10)) );
55 
56   else if(bytes < CURL_OFF_T_C(10000) * ONE_MEGABYTE)
57     /* 'XXXXM' is good until we're at 10000MB or above */
58     msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE);
59 
60   else if(bytes < CURL_OFF_T_C(100) * ONE_GIGABYTE)
61     /* 10000 MB - 100 GB, we show it as XX.XG */
62     msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
63               CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE,
64               (bytes%ONE_GIGABYTE) / (ONE_GIGABYTE/CURL_OFF_T_C(10)) );
65 
66   else if(bytes < CURL_OFF_T_C(10000) * ONE_GIGABYTE)
67     /* up to 10000GB, display without decimal: XXXXG */
68     msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE);
69 
70   else if(bytes < CURL_OFF_T_C(10000) * ONE_TERABYTE)
71     /* up to 10000TB, display without decimal: XXXXT */
72     msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "T", bytes/ONE_TERABYTE);
73 
74   else
75     /* up to 10000PB, display without decimal: XXXXP */
76     msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "P", bytes/ONE_PETABYTE);
77 
78   /* 16384 petabytes (16 exabytes) is the maximum a 64 bit unsigned number can
79      hold, but our data type is signed so 8192PB will be the maximum. */
80   return max5;
81 }
82 
xferinfo_cb(void * clientp,curl_off_t dltotal,curl_off_t dlnow,curl_off_t ultotal,curl_off_t ulnow)83 int xferinfo_cb(void *clientp,
84                 curl_off_t dltotal,
85                 curl_off_t dlnow,
86                 curl_off_t ultotal,
87                 curl_off_t ulnow)
88 {
89   struct per_transfer *per = clientp;
90   struct OperationConfig *config = per->config;
91   per->dltotal = dltotal;
92   per->dlnow = dlnow;
93   per->ultotal = ultotal;
94   per->ulnow = ulnow;
95 
96   if(per->abort)
97     return 1;
98 
99   if(config->readbusy) {
100     config->readbusy = FALSE;
101     curl_easy_pause(per->curl, CURLPAUSE_CONT);
102   }
103 
104   return 0;
105 }
106 
107 /* Provide a string that is 2 + 1 + 2 + 1 + 2 = 8 letters long (plus the zero
108    byte) */
time2str(char * r,curl_off_t seconds)109 static void time2str(char *r, curl_off_t seconds)
110 {
111   curl_off_t h;
112   if(seconds <= 0) {
113     strcpy(r, "--:--:--");
114     return;
115   }
116   h = seconds / CURL_OFF_T_C(3600);
117   if(h <= CURL_OFF_T_C(99)) {
118     curl_off_t m = (seconds - (h*CURL_OFF_T_C(3600))) / CURL_OFF_T_C(60);
119     curl_off_t s = (seconds - (h*CURL_OFF_T_C(3600))) - (m*CURL_OFF_T_C(60));
120     msnprintf(r, 9, "%2" CURL_FORMAT_CURL_OFF_T ":%02" CURL_FORMAT_CURL_OFF_T
121               ":%02" CURL_FORMAT_CURL_OFF_T, h, m, s);
122   }
123   else {
124     /* this equals to more than 99 hours, switch to a more suitable output
125        format to fit within the limits. */
126     curl_off_t d = seconds / CURL_OFF_T_C(86400);
127     h = (seconds - (d*CURL_OFF_T_C(86400))) / CURL_OFF_T_C(3600);
128     if(d <= CURL_OFF_T_C(999))
129       msnprintf(r, 9, "%3" CURL_FORMAT_CURL_OFF_T
130                 "d %02" CURL_FORMAT_CURL_OFF_T "h", d, h);
131     else
132       msnprintf(r, 9, "%7" CURL_FORMAT_CURL_OFF_T "d", d);
133   }
134 }
135 
136 static curl_off_t all_dltotal = 0;
137 static curl_off_t all_ultotal = 0;
138 static curl_off_t all_dlalready = 0;
139 static curl_off_t all_ulalready = 0;
140 
141 curl_off_t all_xfers = 0;   /* current total */
142 
143 struct speedcount {
144   curl_off_t dl;
145   curl_off_t ul;
146   struct timeval stamp;
147 };
148 #define SPEEDCNT 10
149 static unsigned int speedindex;
150 static bool indexwrapped;
151 static struct speedcount speedstore[SPEEDCNT];
152 
153 /*
154   |DL% UL%  Dled  Uled  Xfers  Live Total     Current  Left    Speed
155   |  6 --   9.9G     0     2     2   0:00:40  0:00:02  0:00:37 4087M
156 */
progress_meter(struct GlobalConfig * global,struct timeval * start,bool final)157 bool progress_meter(struct GlobalConfig *global,
158                     struct timeval *start,
159                     bool final)
160 {
161   static struct timeval stamp;
162   static bool header = FALSE;
163   struct timeval now;
164   long diff;
165 
166   if(global->noprogress || global->silent)
167     return FALSE;
168 
169   now = tvnow();
170   diff = tvdiff(now, stamp);
171 
172   if(!header) {
173     header = TRUE;
174     fputs("DL% UL%  Dled  Uled  Xfers  Live "
175           "Total     Current  Left    Speed\n",
176           stderr);
177   }
178   if(final || (diff > 500)) {
179     char time_left[10];
180     char time_total[10];
181     char time_spent[10];
182     char buffer[3][6];
183     curl_off_t spent = tvdiff(now, *start)/1000;
184     char dlpercen[4]="--";
185     char ulpercen[4]="--";
186     struct per_transfer *per;
187     curl_off_t all_dlnow = 0;
188     curl_off_t all_ulnow = 0;
189     bool dlknown = TRUE;
190     bool ulknown = TRUE;
191     curl_off_t all_running = 0; /* in progress */
192     curl_off_t speed = 0;
193     unsigned int i;
194     stamp = now;
195 
196     /* first add the amounts of the already completed transfers */
197     all_dlnow += all_dlalready;
198     all_ulnow += all_ulalready;
199 
200     for(per = transfers; per; per = per->next) {
201       all_dlnow += per->dlnow;
202       all_ulnow += per->ulnow;
203       if(!per->dltotal)
204         dlknown = FALSE;
205       else if(!per->dltotal_added) {
206         /* only add this amount once */
207         all_dltotal += per->dltotal;
208         per->dltotal_added = TRUE;
209       }
210       if(!per->ultotal)
211         ulknown = FALSE;
212       else if(!per->ultotal_added) {
213         /* only add this amount once */
214         all_ultotal += per->ultotal;
215         per->ultotal_added = TRUE;
216       }
217       if(per->added)
218         all_running++;
219     }
220     if(dlknown && all_dltotal)
221       /* TODO: handle integer overflow */
222       msnprintf(dlpercen, sizeof(dlpercen), "%3" CURL_FORMAT_CURL_OFF_T,
223                 all_dlnow * 100 / all_dltotal);
224     if(ulknown && all_ultotal)
225       /* TODO: handle integer overflow */
226       msnprintf(ulpercen, sizeof(ulpercen), "%3" CURL_FORMAT_CURL_OFF_T,
227                 all_ulnow * 100 / all_ultotal);
228 
229     /* get the transfer speed, the higher of the two */
230 
231     i = speedindex;
232     speedstore[i].dl = all_dlnow;
233     speedstore[i].ul = all_ulnow;
234     speedstore[i].stamp = now;
235     if(++speedindex >= SPEEDCNT) {
236       indexwrapped = TRUE;
237       speedindex = 0;
238     }
239 
240     {
241       long deltams;
242       curl_off_t dl;
243       curl_off_t ul;
244       curl_off_t dls;
245       curl_off_t uls;
246       if(indexwrapped) {
247         /* 'speedindex' is the oldest stored data */
248         deltams = tvdiff(now, speedstore[speedindex].stamp);
249         dl = all_dlnow - speedstore[speedindex].dl;
250         ul = all_ulnow - speedstore[speedindex].ul;
251       }
252       else {
253         /* since the beginning */
254         deltams = tvdiff(now, *start);
255         dl = all_dlnow;
256         ul = all_ulnow;
257       }
258       if(!deltams) /* no division by zero please */
259         deltams++;
260       dls = (curl_off_t)((double)dl / ((double)deltams/1000.0));
261       uls = (curl_off_t)((double)ul / ((double)deltams/1000.0));
262       speed = dls > uls ? dls : uls;
263     }
264 
265 
266     if(dlknown && speed) {
267       curl_off_t est = all_dltotal / speed;
268       curl_off_t left = (all_dltotal - all_dlnow) / speed;
269       time2str(time_left, left);
270       time2str(time_total, est);
271     }
272     else {
273       time2str(time_left, 0);
274       time2str(time_total, 0);
275     }
276     time2str(time_spent, spent);
277 
278     fprintf(stderr,
279             "\r"
280             "%-3s " /* percent downloaded */
281             "%-3s " /* percent uploaded */
282             "%s " /* Dled */
283             "%s " /* Uled */
284             "%5" CURL_FORMAT_CURL_OFF_T " " /* Xfers */
285             "%5" CURL_FORMAT_CURL_OFF_T " " /* Live */
286             " %s "  /* Total time */
287             "%s "  /* Current time */
288             "%s "  /* Time left */
289             "%s "  /* Speed */
290             "%5s" /* final newline */,
291 
292             dlpercen,  /* 3 letters */
293             ulpercen,  /* 3 letters */
294             max5data(all_dlnow, buffer[0]),
295             max5data(all_ulnow, buffer[1]),
296             all_xfers,
297             all_running,
298             time_total,
299             time_spent,
300             time_left,
301             max5data(speed, buffer[2]), /* speed */
302             final ? "\n" :"");
303     return TRUE;
304   }
305   return FALSE;
306 }
307 
progress_finalize(struct per_transfer * per)308 void progress_finalize(struct per_transfer *per)
309 {
310   /* get the numbers before this transfer goes away */
311   all_dlalready += per->dlnow;
312   all_ulalready += per->ulnow;
313   if(!per->dltotal_added) {
314     all_dltotal += per->dltotal;
315     per->dltotal_added = TRUE;
316   }
317   if(!per->ultotal_added) {
318     all_ultotal += per->ultotal;
319     per->ultotal_added = TRUE;
320   }
321 }
322