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