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//
// Copyright 2024 Staysail Systems, Inc. <info@staysail.tech>
//
// 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 "nng/nng.h"
#include <nuts.h>
nng_init_params *nng_init_get_params(void);
void
test_init_param(void)
{
nng_init_params *p;
p = nng_init_get_params();
NUTS_ASSERT(p != NULL);
}
void
test_init_zero_resolvers(void)
{
nng_init_params *pp;
nng_init_params p = { 0 };
p.num_resolver_threads = 0;
nng_fini();
NUTS_PASS(nng_init(&p));
pp = nng_init_get_params();
NUTS_ASSERT(pp->num_resolver_threads > 0);
nng_fini();
}
void
test_init_one_task_thread(void)
{
nng_init_params *pp;
nng_init_params p = { 0 };
nng_fini();
p.max_task_threads = 1;
NUTS_PASS(nng_init(&p));
pp = nng_init_get_params();
NUTS_ASSERT(pp->max_task_threads == 1);
}
void
test_init_too_many_task_threads(void)
{
nng_socket s;
nng_init_params *pp;
nng_init_params p = { 0 };
p.num_task_threads = 256;
p.max_task_threads = 4;
nng_fini();
NUTS_PASS(nng_init(&p));
NUTS_OPEN(s);
NUTS_CLOSE(s);
pp = nng_init_get_params();
NUTS_TRUE(pp->num_task_threads == 4);
}
void
test_init_no_expire_thread(void)
{
nng_socket s;
nng_init_params *pp;
nng_init_params p = { 0 };
nng_fini();
p.num_expire_threads = 0;
p.max_expire_threads = 0;
NUTS_PASS(nng_init(&p));
NUTS_OPEN(s);
NUTS_CLOSE(s);
pp = nng_init_get_params();
NUTS_TRUE(pp->num_expire_threads > 0);
NUTS_MSG("Got %d expire threads", pp->num_expire_threads);
}
void
test_init_too_many_expire_threads(void)
{
nng_socket s;
nng_init_params *pp;
nng_init_params p = { 0 };
nng_fini();
p.num_expire_threads = 256;
p.max_expire_threads = 2;
NUTS_PASS(nng_init(&p));
NUTS_OPEN(s);
NUTS_CLOSE(s);
pp = nng_init_get_params();
NUTS_TRUE(pp->num_expire_threads == 2);
NUTS_MSG("Got %d expire threads", pp->num_expire_threads);
}
// poller tuning only supported on Windows right now
void
test_init_poller_no_threads(void)
{
nng_socket s;
nng_init_params *pp;
nng_init_params p = { 0 };
nng_fini();
p.num_poller_threads = 0;
p.max_poller_threads = 0;
NUTS_PASS(nng_init(&p));
NUTS_OPEN(s);
NUTS_CLOSE(s);
pp = nng_init_get_params();
NUTS_TRUE(pp->num_poller_threads > 0);
NUTS_MSG("Got %d poller threads", pp->num_expire_threads);
}
void
test_init_too_many_poller_threads(void)
{
nng_socket s;
nng_init_params *pp;
nng_init_params p = { 0 };
nng_fini();
p.num_poller_threads = 256;
p.max_poller_threads = 2;
NUTS_PASS(nng_init(&p));
NUTS_OPEN(s);
NUTS_CLOSE(s);
pp = nng_init_get_params();
#ifdef NNG_PLATFORM_WINDOWS
NUTS_TRUE(pp->num_poller_threads == 2);
#else
NUTS_TRUE(pp->num_poller_threads > 0);
#endif
NUTS_MSG("Got %d poller threads", pp->num_expire_threads);
}
void
test_init_repeated()
{
nng_init_params p = { 0 };
NUTS_PASS(nng_init(NULL));
NUTS_FAIL(nng_init(&p), NNG_EBUSY);
NUTS_PASS(nng_init(NULL));
nng_fini();
nng_fini();
}
static void
concurrent_init(void *arg)
{
nng_mtx *mtx = arg;
// so everyone starts as close to the same time as we can.
nng_mtx_lock(mtx);
nng_mtx_unlock(mtx);
for (int i = 0; i < 1000000; i++) {
nng_init(NULL);
nng_fini();
}
}
void
test_init_concurrent()
{
nng_thread *threads[4];
nng_mtx *m = NULL;
NUTS_PASS(nng_init(NULL));
NUTS_PASS(nng_mtx_alloc(&m));
NUTS_ASSERT(m != NULL);
nng_mtx_lock(m);
for (int i = 0; i < 4; i++) {
nng_thread_create(&threads[i], concurrent_init, m);
}
nng_mtx_unlock(m);
for (int i = 0; i < 4; i++) {
nng_thread_destroy(threads[i]);
}
nng_mtx_free(m);
nng_fini();
}
NUTS_TESTS = {
{ "init parameter", test_init_param },
{ "init zero resolvers", test_init_zero_resolvers },
{ "init one task thread", test_init_one_task_thread },
{ "init too many task threads", test_init_too_many_task_threads },
{ "init no expire thread", test_init_no_expire_thread },
{ "init too many expire threads", test_init_too_many_expire_threads },
{ "init no poller thread", test_init_poller_no_threads },
{ "init too many poller threads", test_init_too_many_poller_threads },
{ "init repeated", test_init_repeated },
{ "init concurrent", test_init_concurrent },
{ NULL, NULL },
};
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