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//
// Copyright 2018 Staysail Systems, Inc. <info@staysail.tech>
// Copyright 2018 Capitar IT Group BV <info@capitar.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 "convey.h"
#include "nng.h"
#include "protocol/pipeline0/pull.h"
#include "protocol/pipeline0/push.h"
#include "supplemental/util/platform.h"
#include "stubs.h"
#include <string.h>
#define APPENDSTR(m, s) nng_msg_append(m, s, strlen(s))
#define CHECKSTR(m, s) \
So(nng_msg_len(m) == strlen(s)); \
So(memcmp(nng_msg_body(m), s, strlen(s)) == 0)
struct testcase {
nng_socket s;
nng_dialer d;
nng_listener l;
nng_pipe p;
int add;
int rem;
int err;
};
void
notify(nng_pipe p, nng_pipe_action act, void *arg)
{
struct testcase *t = arg;
if ((nng_socket_id(nng_pipe_socket(p)) != nng_socket_id(t->s)) ||
(nng_listener_id(nng_pipe_listener(p)) != nng_listener_id(t->l)) ||
(nng_dialer_id(nng_pipe_dialer(p)) != nng_dialer_id(t->d))) {
t->err++;
return;
}
switch (act) {
case NNG_PIPE_ADD:
t->add++;
break;
case NNG_PIPE_REM:
t->rem++;
break;
default:
t->err++;
return;
}
t->p = p;
}
char addr[64];
static int cnt;
TestMain("Pipe notify works", {
atexit(nng_fini);
Convey("We can create a pipeline", {
struct testcase push;
struct testcase pull;
sprintf(addr, "inproc://test%d", cnt++);
memset(&pull, 0, sizeof(pull));
memset(&push, 0, sizeof(push));
So(nng_push_open(&push.s) == 0);
So(nng_pull_open(&pull.s) == 0);
Reset({
nng_close(push.s);
nng_close(pull.s);
});
So(nng_pipe_notify(push.s, notify, &push) == 0);
So(nng_pipe_notify(pull.s, notify, &pull) == 0);
So(nng_setopt_ms(push.s, NNG_OPT_RECONNMINT, 10) == 0);
So(nng_setopt_ms(push.s, NNG_OPT_RECONNMAXT, 10) == 0);
Convey("Dialing works", {
So(nng_listener_create(&pull.l, pull.s, addr) == 0);
So(nng_dialer_create(&push.d, push.s, addr) == 0);
So(nng_listener_id(pull.l) > 0);
So(nng_dialer_id(push.d) > 0);
So(nng_listener_start(pull.l, 0) == 0);
So(nng_dialer_start(push.d, 0) == 0);
nng_msleep(100);
So(pull.add == 1);
So(pull.rem == 0);
So(pull.err == 0);
So(push.add == 1);
So(push.rem == 0);
So(push.err == 0);
Convey("We can send a frame", {
nng_msg *msg;
So(nng_msg_alloc(&msg, 0) == 0);
APPENDSTR(msg, "hello");
So(nng_sendmsg(push.s, msg, 0) == 0);
msg = NULL;
So(nng_recvmsg(pull.s, &msg, 0) == 0);
So(msg != NULL);
CHECKSTR(msg, "hello");
So(nng_pipe_id(nng_msg_get_pipe(msg)) ==
nng_pipe_id(pull.p));
nng_msg_free(msg);
});
Convey("Reconnection works", {
So(pull.add == 1);
nng_pipe_close(pull.p);
nng_msleep(200);
So(pull.err == 0);
So(pull.rem == 1);
So(pull.add == 2);
So(push.err == 0);
So(push.rem == 1);
So(push.add == 2);
Convey("They still exchange frames", {
nng_msg *msg;
nng_pipe p1;
nng_msleep(200);
So(nng_msg_alloc(&msg, 0) == 0);
APPENDSTR(msg, "hello");
So(nng_sendmsg(push.s, msg, 0) == 0);
msg = NULL;
So(nng_recvmsg(pull.s, &msg, 0) == 0);
So(msg != NULL);
CHECKSTR(msg, "hello");
p1 = nng_msg_get_pipe(msg);
nng_msg_free(msg);
So(nng_pipe_id(p1) ==
nng_pipe_id(pull.p));
});
});
});
});
})
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