1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/NumberFormat.h>
#include <AK/SharedBuffer.h>
#include <AK/URL.h>
#include <LibCore/EventLoop.h>
#include <LibProtocol/Client.h>
#include <LibProtocol/Download.h>
#include <stdio.h>
int main(int argc, char** argv)
{
if (argc != 2) {
printf("usage: %s <url>\n", argv[0]);
return 0;
}
String url_string = argv[1];
URL url(url_string);
if (!url.is_valid()) {
fprintf(stderr, "'%s' is not a valid URL\n", url_string.characters());
return 1;
}
Core::EventLoop loop;
auto protocol_client = Protocol::Client::construct();
auto download = protocol_client->start_download(url.to_string());
if (!download) {
fprintf(stderr, "Failed to start download for '%s'\n", url_string.characters());
return 1;
}
u32 previous_downloaded_size { 0 };
timeval prev_time, current_time, time_diff;
gettimeofday(&prev_time, nullptr);
download->on_progress = [&](Optional<u32> maybe_total_size, u32 downloaded_size) {
fprintf(stderr, "\r\033[2K");
if (maybe_total_size.has_value()) {
fprintf(stderr, "\033]9;%d;%d;\033\\", downloaded_size, maybe_total_size.value());
fprintf(stderr, "Download progress: %s / %s", human_readable_size(downloaded_size).characters(), human_readable_size(maybe_total_size.value()).characters());
} else {
fprintf(stderr, "Download progress: %s / ???", human_readable_size(downloaded_size).characters());
}
gettimeofday(¤t_time, nullptr);
timersub(¤t_time, &prev_time, &time_diff);
auto time_diff_ms = time_diff.tv_sec * 1000 + time_diff.tv_usec / 1000;
auto size_diff = downloaded_size - previous_downloaded_size;
fprintf(stderr, " at %s/s", human_readable_size(((float)size_diff / (float)time_diff_ms) * 1000).characters());
previous_downloaded_size = downloaded_size;
prev_time = current_time;
};
download->on_finish = [&](bool success, auto& payload, auto, auto&, auto) {
fprintf(stderr, "\033]9;-1;\033\\");
fprintf(stderr, "\n");
if (success)
write(STDOUT_FILENO, payload.data(), payload.size());
else
fprintf(stderr, "Download failed :(\n");
loop.quit(0);
};
dbgprintf("started download with id %d\n", download->id());
return loop.exec();
}
|
