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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
#include <ccan/io/io.h>
/* Include the C files directly. */
#include <ccan/io/poll.c>
#include <ccan/io/io.c>
#include <ccan/tap/tap.h>
#include <sys/wait.h>
#include <stdio.h>
#ifdef DEBUG_CONN
#define PORT "64019"
#else
#define PORT "65019"
#endif
struct data {
int state;
size_t bytes;
char *buf;
};
static void finish_ok(struct io_conn *conn, struct data *d)
{
ok1(d->state == 1);
d->state++;
io_break(d);
}
static struct io_plan *write_buf(struct io_conn *conn, struct data *d)
{
return io_write(conn, d->buf, d->bytes, io_close_cb, d);
}
static struct io_plan *init_conn(struct io_conn *conn, struct data *d)
{
#ifdef DEBUG_CONN
io_set_debug(conn, true);
#endif
ok1(d->state == 0);
d->state++;
io_set_finish(conn, finish_ok, d);
/* Empty read should run immediately... */
return io_read(conn, NULL, 0, write_buf, d);
}
static int make_listen_fd(const char *port, struct addrinfo **info)
{
int fd, on = 1;
struct addrinfo *addrinfo, hints;
memset(&hints, 0, sizeof(hints));
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
hints.ai_flags = AI_PASSIVE;
hints.ai_protocol = 0;
if (getaddrinfo(NULL, port, &hints, &addrinfo) != 0)
return -1;
fd = socket(addrinfo->ai_family, addrinfo->ai_socktype,
addrinfo->ai_protocol);
if (fd < 0)
return -1;
setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
if (bind(fd, addrinfo->ai_addr, addrinfo->ai_addrlen) != 0) {
close(fd);
return -1;
}
if (listen(fd, 1) != 0) {
close(fd);
return -1;
}
*info = addrinfo;
return fd;
}
static void read_from_socket(size_t bytes, const struct addrinfo *addrinfo)
{
int fd, done, r;
char buf[100];
fd = socket(addrinfo->ai_family, addrinfo->ai_socktype,
addrinfo->ai_protocol);
if (fd < 0)
exit(1);
if (connect(fd, addrinfo->ai_addr, addrinfo->ai_addrlen) != 0)
exit(2);
for (done = 0; done < bytes; done += r) {
r = read(fd, buf, sizeof(buf));
if (r < 0)
exit(3);
done += r;
}
close(fd);
}
int main(void)
{
struct data *d = malloc(sizeof(*d));
struct addrinfo *addrinfo;
struct io_listener *l;
int fd, status;
/* This is how many tests you plan to run */
plan_tests(9);
d->state = 0;
d->bytes = 1024*1024;
d->buf = malloc(d->bytes);
memset(d->buf, 'a', d->bytes);
fd = make_listen_fd(PORT, &addrinfo);
ok1(fd >= 0);
l = io_new_listener(NULL, fd, init_conn, d);
ok1(l);
fflush(stdout);
if (!fork()) {
io_close_listener(l);
read_from_socket(d->bytes, addrinfo);
freeaddrinfo(addrinfo);
free(d->buf);
free(d);
exit(0);
}
ok1(io_loop(NULL, NULL) == d);
ok1(d->state == 2);
ok1(wait(&status));
ok1(WIFEXITED(status));
ok1(WEXITSTATUS(status) == 0);
freeaddrinfo(addrinfo);
free(d->buf);
free(d);
io_close_listener(l);
/* This exits depending on whether all tests passed */
return exit_status();
}
|
