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/* Check a bug where we have just completed a read, then set up a duplex
* which tries to do a read. */
#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 "64014"
#else
#define PORT "65014"
#endif
struct data {
struct io_listener *l;
int state;
char buf[4];
char wbuf[32];
};
static void finish_ok(struct io_conn *conn, struct data *d)
{
d->state++;
}
static struct io_plan *end(struct io_conn *conn, struct data *d)
{
d->state++;
/* Close on top of halfclose should work. */
if (d->state == 4)
return io_close(conn);
else
return io_halfclose(conn);
}
static struct io_plan *make_duplex(struct io_conn *conn, struct data *d)
{
d->state++;
/* Have duplex read the rest of the buffer. */
return io_duplex(conn,
io_read(conn, d->buf+1, sizeof(d->buf)-1, end, d),
io_write(conn, d->wbuf, sizeof(d->wbuf), end, 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_close_listener(d->l);
memset(d->wbuf, 7, sizeof(d->wbuf));
io_set_finish(conn, finish_ok, d);
return io_read(conn, d->buf, 1, make_duplex, 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;
int fd, status;
/* This is how many tests you plan to run */
plan_tests(9);
d->state = 0;
fd = make_listen_fd(PORT, &addrinfo);
ok1(fd >= 0);
d->l = io_new_listener(NULL, fd, init_conn, d);
ok1(d->l);
fflush(stdout);
if (!fork()) {
int i;
char buf[32];
io_close_listener(d->l);
free(d);
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("hellothere"); i++) {
if (write(fd, "hellothere" + i, 1) != 1)
break;
}
for (i = 0; i < 32; i++) {
if (read(fd, buf+i, 1) != 1)
break;
}
close(fd);
freeaddrinfo(addrinfo);
exit(0);
}
freeaddrinfo(addrinfo);
ok1(io_loop(NULL, NULL) == NULL);
ok1(d->state == 5);
ok1(memcmp(d->buf, "hellothere", sizeof(d->buf)) == 0);
free(d);
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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