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doompanning/external/nng/tests/pipe.c
oxmox c49214afb8 add nng-v1.5.2
2023-02-03 21:18:59 +01:00

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//
// Copyright 2021 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 <stdbool.h>
#include <string.h>
#include <nng/nng.h>
#include <nng/protocol/pipeline0/pull.h>
#include <nng/protocol/pipeline0/push.h>
#include <nng/supplemental/util/platform.h>
#include "convey.h"
#include "stubs.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_pre;
int add_post;
int rem;
int err;
int rej;
nng_mtx * lk;
nng_cv * cv;
};
static bool
expect(struct testcase *t, int *vp, int v)
{
bool ok;
nng_time when = nng_clock() + 5000; // five seconds
nng_mtx_lock(t->lk);
while (*vp != v) {
if (nng_cv_until(t->cv, when) == NNG_ETIMEDOUT) {
break;
}
}
ok = (*vp == v) ? true : false;
if (!ok) {
printf("Expected %d but got %d\n", v, *vp);
}
nng_mtx_unlock(t->lk);
return (ok);
}
void
notify(nng_pipe p, nng_pipe_ev act, void *arg)
{
struct testcase *t = arg;
nng_mtx_lock(t->lk);
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++;
nng_cv_wake(t->cv);
nng_mtx_unlock(t->lk);
return;
}
if (t->add_post > t->add_pre) {
t->err++;
}
switch (act) {
case NNG_PIPE_EV_ADD_PRE:
t->add_pre++;
break;
case NNG_PIPE_EV_ADD_POST:
t->add_post++;
break;
case NNG_PIPE_EV_REM_POST:
t->rem++;
break;
default:
t->err++;
nng_cv_wake(t->cv);
nng_mtx_unlock(t->lk);
return;
}
t->p = p;
nng_cv_wake(t->cv);
nng_mtx_unlock(t->lk);
}
void
reject(nng_pipe p, nng_pipe_ev act, void *arg)
{
struct testcase *t = arg;
notify(p, act, arg);
nng_mtx_lock(t->lk);
if (!t->rej) {
nng_pipe_close(p);
t->rej++;
}
nng_mtx_unlock(t->lk);
}
char addr[64];
static int cnt;
TestMain("Pipe notify works", {
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_mtx_alloc(&push.lk) == 0);
So(nng_cv_alloc(&push.cv, push.lk) == 0);
So(nng_mtx_alloc(&pull.lk) == 0);
So(nng_cv_alloc(&pull.cv, pull.lk) == 0);
So(nng_push_open(&push.s) == 0);
So(nng_pull_open(&pull.s) == 0);
Reset({
nng_close(push.s);
nng_close(pull.s);
nng_cv_free(push.cv);
nng_cv_free(pull.cv);
nng_mtx_free(push.lk);
nng_mtx_free(pull.lk);
});
So(nng_setopt_ms(push.s, NNG_OPT_RECONNMINT, 10) == 0);
So(nng_setopt_ms(push.s, NNG_OPT_RECONNMAXT, 10) == 0);
So(nng_setopt_ms(pull.s, NNG_OPT_RECONNMINT, 10) == 0);
So(nng_setopt_ms(pull.s, NNG_OPT_RECONNMAXT, 10) == 0);
So(nng_pipe_notify(
push.s, NNG_PIPE_EV_ADD_PRE, notify, &push) == 0);
So(nng_pipe_notify(
push.s, NNG_PIPE_EV_ADD_POST, notify, &push) == 0);
So(nng_pipe_notify(
push.s, NNG_PIPE_EV_REM_POST, notify, &push) == 0);
So(nng_pipe_notify(
pull.s, NNG_PIPE_EV_ADD_PRE, notify, &pull) == 0);
So(nng_pipe_notify(
pull.s, NNG_PIPE_EV_ADD_POST, notify, &pull) == 0);
So(nng_pipe_notify(
pull.s, NNG_PIPE_EV_REM_POST, notify, &pull) == 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_dialer_setopt_ms(
push.d, NNG_OPT_RECONNMINT, 10) == 0);
So(nng_dialer_setopt_ms(
push.d, NNG_OPT_RECONNMAXT, 10) == 0);
So(nng_listener_start(pull.l, 0) == 0);
So(nng_dialer_start(push.d, 0) == 0);
So(expect(&pull, &pull.add_pre, 1));
So(expect(&pull, &pull.add_post, 1));
So(expect(&pull, &pull.add_pre, 1));
So(expect(&pull, &pull.add_post, 1));
So(expect(&pull, &pull.rem, 0));
So(expect(&pull, &pull.err, 0));
So(expect(&push, &push.add_pre, 1));
So(expect(&push, &push.add_post, 1));
So(expect(&push, &push.rem, 0));
So(expect(&push, &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(expect(&pull, &pull.add_pre, 1));
So(expect(&pull, &pull.add_post, 1));
nng_pipe_close(pull.p);
So(expect(&pull, &pull.rem, 1));
So(expect(&pull, &pull.err, 0));
So(expect(&pull, &pull.add_pre, 2));
So(expect(&pull, &pull.add_post, 2));
So(expect(&push, &push.rem, 1));
So(expect(&push, &push.err, 0));
So(expect(&push, &push.add_pre, 2));
So(expect(&push, &push.add_post, 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));
});
});
});
Convey("Reject works", {
So(nng_pipe_notify(pull.s, NNG_PIPE_EV_ADD_PRE, reject,
&pull) == 0);
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);
nng_msleep(100);
So(nng_dialer_start(push.d, 0) == 0);
So(expect(&pull, &pull.add_pre, 2));
So(expect(&pull, &pull.add_post, 1));
So(expect(&pull, &pull.rem, 1));
So(expect(&pull, &pull.err, 0));
So(expect(&push, &push.add_pre, 2));
So(expect(&push, &push.add_post, 2));
So(expect(&push, &push.rem, 1) == 1);
So(expect(&push, &push.err, 0));
});
});
})
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