/* send 100 messages over PAIR sockets
* sender in one event handler, receiver in another
*/
void test_ev_zmq (void)
{
struct ev_loop *loop;
void *zctx;
void *zin, *zout;
int i;
ev_zmq win, wout;
ok ((loop = ev_loop_new (EVFLAG_AUTO)) != NULL,
"ev_loop_new works");
ok ((zctx = zmq_init (1)) != NULL,
"initialized zmq context");
ok ((zout = zmq_socket (zctx, ZMQ_PAIR)) != NULL
&& zmq_bind (zout, "inproc://eventloop_test") == 0,
"PAIR socket bind ok");
ok ((zin = zmq_socket (zctx, ZMQ_PAIR)) != NULL
&& zmq_connect (zin, "inproc://eventloop_test") == 0,
"PAIR socket connect ok");
i = 0;
ev_zmq_init (&win, zsock_rx_cb, zin, EV_READ);
win.data = &i;
ev_zmq_init (&wout, zsock_tx_cb, zout, EV_WRITE);
ev_zmq_start (loop, &win);
ev_zmq_start (loop, &wout);
ok (ev_run (loop, 0) == 0,
"both watchers removed themselves and ev_run exited");
ev_zmq_stop (loop, &win);
ev_zmq_stop (loop, &wout);
cmp_ok (i, "==", 100,
"ev_zmq handler ran 100 times");
ev_loop_destroy (loop);
zmq_close (zin);
zmq_close (zout);
zmq_ctx_destroy (zctx);
}
void zsock_tx_cb (struct ev_loop *loop, ev_zmq *w, int revents)
{
static int count = 50; /* send two per invocation */
if ((revents & EV_WRITE)) {
if (zstr_send (w->zsock, "PING") < 0)
fprintf (stderr, "zstr_send: %s", strerror (errno));
if (zstr_send (w->zsock, "PING") < 0)
fprintf (stderr, "zstr_send: %s", strerror (errno));
if (--count == 0)
ev_zmq_stop (loop, w);
}
if ((revents & EV_ERROR))
ev_break (loop, EVBREAK_ALL);
}
void zsock_rx_cb (struct ev_loop *loop, ev_zmq *w, int revents)
{
int *iter = w->data;
char *s;
static int count = 100;
if ((revents & EV_READ)) {
(*iter)++;
if (!(s = zstr_recv (w->zsock)))
fprintf (stderr, "zstr_recv: %s", strerror (errno));
else
free (s);
if (--count == 0)
ev_zmq_stop (loop, w);
}
if ((revents & EV_ERROR))
ev_break (loop, EVBREAK_ALL);
}
static void zmq_stop (void *impl, flux_watcher_t *w)
{
assert (w->signature == ZMQ_SIG);
ev_zmq_stop (w->r->loop, (ev_zmq *)impl);
}