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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 <ccan/time/time.h>
#include <sys/wait.h>
#include <stdio.h>
#include <unistd.h>
#ifdef DEBUG_CONN
#define PORT "64015"
#else
#define PORT "65015"
#endif
struct data {
struct timers timers;
int state;
struct io_conn *conn;
struct timer timer;
int timeout_usec;
char buf[4];
};
static void finish_ok(struct io_conn *conn, struct data *d)
{
d->state++;
io_break(d);
}
static struct io_plan *no_timeout(struct io_conn *conn, struct data *d)
{
ok1(d->state == 1);
d->state++;
return io_close(conn);
}
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++;
d->conn = conn;
io_set_finish(conn, finish_ok, d);
timer_add(&d->timers, &d->timer,
timeabs_add(time_now(), time_from_usec(d->timeout_usec)));
return io_read(conn, d->buf, sizeof(d->buf), no_timeout, 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;
}
int main(void)
{
struct data *d = malloc(sizeof(*d));
struct addrinfo *addrinfo;
struct io_listener *l;
struct timer *expired;
int fd, status;
/* This is how many tests you plan to run */
plan_tests(21);
d->state = 0;
d->timeout_usec = 100000;
timers_init(&d->timers, time_now());
timer_init(&d->timer);
fd = make_listen_fd(PORT, &addrinfo);
ok1(fd >= 0);
l = io_new_listener(NULL, fd, init_conn, d);
ok1(l);
fflush(stdout);
if (!fork()) {
int i;
io_close_listener(l);
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);
usleep(500000);
for (i = 0; i < strlen("hellothere"); i++) {
if (write(fd, "hellothere" + i, 1) != 1)
break;
}
close(fd);
freeaddrinfo(addrinfo);
timers_cleanup(&d->timers);
free(d);
exit(i);
}
ok1(io_loop(&d->timers, &expired) == NULL);
/* One element, d->timer. */
ok1(expired == &d->timer);
ok1(!timers_expire(&d->timers, time_now()));
ok1(d->state == 1);
io_close(d->conn);
/* Finished will be called, d will be returned */
ok1(io_loop(&d->timers, &expired) == d);
ok1(expired == NULL);
ok1(d->state == 2);
/* It should have died. */
ok1(wait(&status));
ok1(WIFEXITED(status));
ok1(WEXITSTATUS(status) < sizeof(d->buf));
/* This one shouldn't time out. */
d->state = 0;
d->timeout_usec = 500000;
fflush(stdout);
if (!fork()) {
int i;
io_close_listener(l);
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);
usleep(100000);
for (i = 0; i < strlen("hellothere"); i++) {
if (write(fd, "hellothere" + i, 1) != 1)
break;
}
close(fd);
freeaddrinfo(addrinfo);
timers_cleanup(&d->timers);
free(d);
exit(i);
}
ok1(io_loop(&d->timers, &expired) == d);
ok1(d->state == 3);
ok1(expired == NULL);
ok1(wait(&status));
ok1(WIFEXITED(status));
ok1(WEXITSTATUS(status) >= sizeof(d->buf));
io_close_listener(l);
freeaddrinfo(addrinfo);
timers_cleanup(&d->timers);
free(d);
/* This exits depending on whether all tests passed */
return exit_status();
}
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