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#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 "64003"
#else
#define PORT "65003"
#endif
struct data {
int state;
size_t bytes;
char buf[4];
};
static void finish_ok(struct io_conn *conn, struct data *d)
{
ok1(d->state == 1);
d->state++;
io_break(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);
return io_read_partial(conn, d->buf, sizeof(d->buf), &d->bytes,
io_close_cb, 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 write_to_socket(const char *str, const struct addrinfo *addrinfo)
{
int fd, i;
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);
signal(SIGPIPE, SIG_IGN);
for (i = 0; i < strlen(str); i++) {
if (write(fd, str + i, 1) != 1)
break;
}
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(22);
d->state = 0;
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);
write_to_socket("hellothere", addrinfo);
freeaddrinfo(addrinfo);
free(d);
exit(0);
}
ok1(io_loop(NULL, NULL) == d);
ok1(d->state == 2);
ok1(d->bytes > 0);
ok1(d->bytes <= sizeof(d->buf));
ok1(memcmp(d->buf, "hellothere", d->bytes) == 0);
ok1(wait(&status));
ok1(WIFEXITED(status));
ok1(WEXITSTATUS(status) == 0);
fflush(stdout);
if (!fork()) {
io_close_listener(l);
write_to_socket("hi", addrinfo);
freeaddrinfo(addrinfo);
free(d);
exit(0);
}
d->state = 0;
ok1(io_loop(NULL, NULL) == d);
ok1(d->state == 2);
ok1(d->bytes > 0);
ok1(d->bytes <= strlen("hi"));
ok1(memcmp(d->buf, "hi", d->bytes) == 0);
freeaddrinfo(addrinfo);
free(d);
io_close_listener(l);
ok1(wait(&status));
ok1(WIFEXITED(status));
ok1(WEXITSTATUS(status) == 0);
/* This exits depending on whether all tests passed */
return exit_status();
}
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