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/***
This file is part of PulseAudio.
PulseAudio is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License,
or (at your option) any later version.
PulseAudio is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
***/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <unistd.h>
#include <check.h>
#include <pulse/xmalloc.h>
#include <pulsecore/log.h>
#include <pulsecore/memblock.h>
#include <pulsecore/macro.h>
static void release_cb(pa_memimport *i, uint32_t block_id, void *userdata) {
pa_log("%s: Imported block %u is released.", (char*) userdata, block_id);
}
static void revoke_cb(pa_memexport *e, uint32_t block_id, void *userdata) {
pa_log("%s: Exported block %u is revoked.", (char*) userdata, block_id);
}
static void print_stats(pa_mempool *p, const char *text) {
const pa_mempool_stat*s = pa_mempool_get_stat(p);
pa_log_debug("%s = {\n"
"\tn_allocated = %u\n"
"\tn_accumulated = %u\n"
"\tn_imported = %u\n"
"\tn_exported = %u\n"
"\tallocated_size = %u\n"
"\taccumulated_size = %u\n"
"\timported_size = %u\n"
"\texported_size = %u\n"
"\tn_too_large_for_pool = %u\n"
"\tn_pool_full = %u\n"
"}",
text,
(unsigned) pa_atomic_load(&s->n_allocated),
(unsigned) pa_atomic_load(&s->n_accumulated),
(unsigned) pa_atomic_load(&s->n_imported),
(unsigned) pa_atomic_load(&s->n_exported),
(unsigned) pa_atomic_load(&s->allocated_size),
(unsigned) pa_atomic_load(&s->accumulated_size),
(unsigned) pa_atomic_load(&s->imported_size),
(unsigned) pa_atomic_load(&s->exported_size),
(unsigned) pa_atomic_load(&s->n_too_large_for_pool),
(unsigned) pa_atomic_load(&s->n_pool_full));
}
START_TEST (memblock_test) {
pa_mempool *pool_a, *pool_b, *pool_c;
unsigned id_a, id_b, id_c;
pa_memexport *export_a, *export_b;
pa_memimport *import_b, *import_c;
pa_memblock *mb_a, *mb_b, *mb_c;
int r, i;
pa_memblock* blocks[5];
pa_mem_type_t mem_type;
uint32_t id, shm_id;
size_t offset, size;
char *x;
const char txt[] = "This is a test!";
pool_a = pa_mempool_new(PA_MEM_TYPE_SHARED_POSIX, 0, true);
fail_unless(pool_a != NULL);
pool_b = pa_mempool_new(PA_MEM_TYPE_SHARED_POSIX, 0, true);
fail_unless(pool_b != NULL);
pool_c = pa_mempool_new(PA_MEM_TYPE_SHARED_POSIX, 0, true);
fail_unless(pool_c != NULL);
pa_mempool_get_shm_id(pool_a, &id_a);
pa_mempool_get_shm_id(pool_b, &id_b);
pa_mempool_get_shm_id(pool_c, &id_c);
blocks[0] = pa_memblock_new_fixed(pool_a, (void*) txt, sizeof(txt), 1);
blocks[1] = pa_memblock_new(pool_a, sizeof(txt));
x = pa_memblock_acquire(blocks[1]);
snprintf(x, pa_memblock_get_length(blocks[1]), "%s", txt);
pa_memblock_release(blocks[1]);
blocks[2] = pa_memblock_new_pool(pool_a, sizeof(txt));
x = pa_memblock_acquire(blocks[2]);
snprintf(x, pa_memblock_get_length(blocks[2]), "%s", txt);
pa_memblock_release(blocks[2]);
blocks[3] = pa_memblock_new_malloced(pool_a, pa_xstrdup(txt), sizeof(txt));
blocks[4] = NULL;
for (i = 0; blocks[i]; i++) {
pa_log("Memory block %u", i);
mb_a = blocks[i];
fail_unless(mb_a != NULL);
export_a = pa_memexport_new(pool_a, revoke_cb, (void*) "A");
fail_unless(export_a != NULL);
export_b = pa_memexport_new(pool_b, revoke_cb, (void*) "B");
fail_unless(export_b != NULL);
import_b = pa_memimport_new(pool_b, release_cb, (void*) "B");
fail_unless(import_b != NULL);
import_c = pa_memimport_new(pool_c, release_cb, (void*) "C");
fail_unless(import_b != NULL);
r = pa_memexport_put(export_a, mb_a, &mem_type, &id, &shm_id, &offset, &size);
fail_unless(r >= 0);
fail_unless(shm_id == id_a);
pa_log("A: Memory block exported as %u", id);
mb_b = pa_memimport_get(import_b, PA_MEM_TYPE_SHARED_POSIX, id, shm_id, offset, size, false);
fail_unless(mb_b != NULL);
r = pa_memexport_put(export_b, mb_b, &mem_type, &id, &shm_id, &offset, &size);
fail_unless(r >= 0);
fail_unless(shm_id == id_a || shm_id == id_b);
pa_memblock_unref(mb_b);
pa_log("B: Memory block exported as %u", id);
mb_c = pa_memimport_get(import_c, PA_MEM_TYPE_SHARED_POSIX, id, shm_id, offset, size, false);
fail_unless(mb_c != NULL);
x = pa_memblock_acquire(mb_c);
pa_log_debug("1 data=%s", x);
pa_memblock_release(mb_c);
print_stats(pool_a, "A");
print_stats(pool_b, "B");
print_stats(pool_c, "C");
pa_memexport_free(export_b);
x = pa_memblock_acquire(mb_c);
pa_log_debug("2 data=%s", x);
pa_memblock_release(mb_c);
pa_memblock_unref(mb_c);
pa_memimport_free(import_b);
pa_memblock_unref(mb_a);
pa_memimport_free(import_c);
pa_memexport_free(export_a);
}
pa_log("vacuuming...");
pa_mempool_vacuum(pool_a);
pa_mempool_vacuum(pool_b);
pa_mempool_vacuum(pool_c);
pa_log("vacuuming done...");
pa_mempool_unref(pool_a);
pa_mempool_unref(pool_b);
pa_mempool_unref(pool_c);
}
END_TEST
int main(int argc, char *argv[]) {
int failed = 0;
Suite *s;
TCase *tc;
SRunner *sr;
if (!getenv("MAKE_CHECK"))
pa_log_set_level(PA_LOG_DEBUG);
s = suite_create("Memblock");
tc = tcase_create("memblock");
tcase_add_test(tc, memblock_test);
suite_add_tcase(s, tc);
sr = srunner_create(s);
srunner_run_all(sr, CK_NORMAL);
failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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