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//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.com>
// Copyright 2019 Behrooze Sirang <behrooze@gmail.com>
//
// This software is supplied under the terms of the MIT License, a
// copy of which should be located in the distribution where this
// file was obtained (LICENSE.txt). A copy of the license may also be
// found online at https://opensource.org/licenses/MIT.
//
#include <string.h>
#ifndef _WIN32
#include <poll.h>
#include <unistd.h>
#define INVALID_SOCKET -1
#else
#define poll WSAPoll
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#include <winsock2.h>
#include <mswsock.h>
#include <ws2tcpip.h>
#endif
#include <nng/nng.h>
#include <nng/protocol/pubsub0/sub.h>
#include <nng/protocol/pubsub0/pub.h>
#include <nng/supplemental/util/platform.h>
#include "convey.h"
#include "stubs.h"
TestMain("PUBSUB pollable", {
Convey("Given a connected pair of sockets", {
nng_socket s1;
nng_socket s2;
So(nng_pub0_open(&s1) == 0);
So(nng_sub0_open(&s2) == 0);
Reset({
nng_close(s1);
nng_close(s2);
});
So(nng_listen(s1, "inproc://yeahbaby", NULL, 0) == 0);
So(nng_dial(s2, "inproc://yeahbaby", NULL, 0) == 0);
So(nng_setopt(s2, NNG_OPT_SUB_SUBSCRIBE, "foo", 3) == 0);
nng_msleep(50);
Convey("We can get a recv FD", {
int fd;
size_t sz;
sz = sizeof(fd);
So(nng_getopt(s2, NNG_OPT_RECVFD, &fd, &sz) == 0);
So(fd != (int) INVALID_SOCKET);
Convey("And it is always the same fd", {
int fd2;
sz = sizeof(fd2);
So(nng_getopt(s2, NNG_OPT_RECVFD, &fd2, &sz) ==
0);
So(fd2 == fd);
});
Convey("And they start non pollable", {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = POLLIN;
pfd.revents = 0;
So(poll(&pfd, 1, 0) == 0);
So(pfd.revents == 0);
});
Convey("But if we write to subscribed topic they are pollable", {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = POLLIN;
pfd.revents = 0;
So(nng_send(s1, "foo:kick", 8, 0) == 0);
So(poll(&pfd, 1, 100) == 1);
So((pfd.revents & POLLIN) != 0);
});
Convey("And if the topic doesn't match, it is not pollable", {
struct pollfd pfd;
pfd.fd = fd;
pfd.events = POLLIN;
pfd.revents = 0;
So(nng_send(s1, "bar:kick", 8, 100) == 0);
So(poll(&pfd, 1, 0) == 0);
});
});
Convey("We can get a send FD", {
int fd;
size_t sz;
sz = sizeof(fd);
So(nng_getopt(s1, NNG_OPT_SENDFD, &fd, &sz) == 0);
So(fd != (int) INVALID_SOCKET);
So(nng_send(s1, "oops", 4, 0) == 0);
});
Convey("Must have a big enough size", {
int fd;
size_t sz;
sz = 1;
So(nng_getopt(s2, NNG_OPT_RECVFD, &fd, &sz) ==
NNG_EINVAL);
sz = 128;
So(nng_getopt(s2, NNG_OPT_RECVFD, &fd, &sz) == 0);
So(sz == sizeof(fd));
});
});
})
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