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
|
#include <cybozu/reactor.hpp>
#include <cybozu/util.hpp>
#include <cassert>
#include <cerrno>
#include <fcntl.h>
#include <iostream>
#include <string>
#include <unistd.h>
int g_counter = 0;
bool got_hangup = false;
bool data_read = false;
class in_resource: public cybozu::resource {
public:
in_resource(int fd): cybozu::resource(fd) {}
~in_resource() {
std::cout << "stdin_resource dtor." << std::endl;
}
private:
virtual bool on_readable() override final {
char buf[512];
buf[sizeof(buf) - 1] = '\0';
ssize_t t = ::read(fileno(), buf, sizeof(buf) - 1);
if( t == -1 )
cybozu::throw_unix_error(errno, "read");
std::cout << "aaa: " << t << std::endl;
buf[t] = '\0';
std::cout << "read: " << buf << std::endl;
data_read = true;
return false;
}
virtual bool on_writable() override final {
return true;
}
virtual bool on_hangup() override final {
std::cout << "got hangup!" << std::endl;
got_hangup = true;
return true;
}
};
void f(cybozu::reactor& r) {
g_counter++;
if( g_counter > 2 ) {
r.quit();
return;
}
std::cout << g_counter << std::endl;
if( r.fix_garbage() )
r.gc();
}
int main(int argc, char** argv) {
cybozu::logger::set_threshold(cybozu::severity::debug);
int fds[2];
if( ::pipe2(fds, O_NONBLOCK) == -1 )
cybozu::throw_unix_error(errno, "pipe");
if( ::write(fds[1], "Hello!", 6) == -1 )
cybozu::throw_unix_error(errno, "write");
::close(fds[1]);
cybozu::reactor r;
std::unique_ptr<cybozu::resource> res(new in_resource(fds[0]));
r.add_resource(std::move(res), cybozu::reactor::EVENT_IN);
r.run(f);
assert(got_hangup);
assert(data_read);
return 0;
}
|
