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
|
// SPDX-License-Identifier: GPL-2.0-or-later
// Copyright The Music Player Daemon Project
#include "ShutdownHandler.hxx"
#include "lib/curl/Global.hxx"
#include "lib/curl/Request.hxx"
#include "lib/curl/Handler.hxx"
#include "event/Loop.hxx"
#include "util/PrintException.hxx"
#include <stdio.h>
class MyHandler final : public CurlResponseHandler {
EventLoop &event_loop;
std::exception_ptr error;
public:
explicit MyHandler(EventLoop &_event_loop) noexcept
:event_loop(_event_loop) {}
void Finish() {
if (error)
std::rethrow_exception(error);
}
/* virtual methods from CurlResponseHandler */
void OnHeaders(unsigned status, Curl::Headers &&headers) override {
fprintf(stderr, "status: %u\n", status);
for (const auto &i : headers)
fprintf(stderr, "%s: %s\n",
i.first.c_str(), i.second.c_str());
}
void OnData(std::span<const std::byte> data) override {
try {
if (fwrite(data.data(), data.size(), 1, stdout) != 1)
throw std::runtime_error("Failed to write");
} catch (...) {
OnError(std::current_exception());
}
}
void OnEnd() override {
event_loop.Break();
}
void OnError(std::exception_ptr e) noexcept override {
error = std::move(e);
event_loop.Break();
}
};
int
main(int argc, char **argv) noexcept
try {
if (argc != 2) {
fprintf(stderr, "Usage: RunCurl URI\n");
return EXIT_FAILURE;
}
const char *const uri = argv[1];
EventLoop event_loop;
const ShutdownHandler shutdown_handler(event_loop);
CurlGlobal curl_global(event_loop);
MyHandler handler(event_loop);
CurlRequest request(curl_global, uri, handler);
request.Start();
event_loop.Run();
handler.Finish();
return EXIT_SUCCESS;
} catch (...) {
PrintException(std::current_exception());
return EXIT_FAILURE;
}
|
