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-rw-r--r--libglusterfs/src/unittest/mem_pool_unittest.c472
1 files changed, 472 insertions, 0 deletions
diff --git a/libglusterfs/src/unittest/mem_pool_unittest.c b/libglusterfs/src/unittest/mem_pool_unittest.c
new file mode 100644
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+++ b/libglusterfs/src/unittest/mem_pool_unittest.c
@@ -0,0 +1,472 @@
+/*
+ Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
+ This file is part of GlusterFS.
+
+ This file is licensed to you under your choice of the GNU Lesser
+ General Public License, version 3 or any later version (LGPLv3 or
+ later), or the GNU General Public License, version 2 (GPLv2), in all
+ cases as published by the Free Software Foundation.
+*/
+
+#include "mem-pool.h"
+#include "logging.h"
+#include "xlator.h"
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <inttypes.h>
+#include <string.h>
+#include <cmockery/pbc.h>
+#include <cmockery/cmockery.h>
+
+/*
+ * memory header for gf_mem_set_acct_info
+ */
+typedef struct __attribute__((packed)) {
+ uint32_t type;
+ size_t size;
+ xlator_t *xl;
+ uint32_t header_magic;
+ uint8_t pad[8];
+} mem_header_t;
+
+/*
+ * Prototypes to private functions
+ */
+int
+gf_mem_set_acct_info (xlator_t *xl, char **alloc_ptr,
+ size_t size, uint32_t type);
+
+/*
+ * Helper functions
+ */
+static xlator_t *
+helper_xlator_init(uint32_t num_types)
+{
+ xlator_t *xl;
+ int i, ret;
+
+ REQUIRE(num_types > 0);
+
+ xl = test_calloc(1, sizeof(xlator_t));
+ assert_non_null(xl);
+ xl->mem_acct.num_types = num_types;
+ xl->mem_acct.rec = test_calloc(num_types, sizeof(struct mem_acct_rec));
+ assert_non_null(xl->mem_acct.rec);
+
+ xl->ctx = test_calloc(1, sizeof(glusterfs_ctx_t));
+ assert_non_null(xl->ctx);
+
+ for (i = 0; i < num_types; i++) {
+ ret = LOCK_INIT(&(xl->mem_acct.rec[i].lock));
+ assert_int_equal(ret, 0);
+ }
+
+ ENSURE(num_types == xl->mem_acct.num_types);
+ ENSURE(NULL != xl);
+
+ return xl;
+}
+
+static int
+helper_xlator_destroy(xlator_t *xl)
+{
+ int i, ret;
+
+ for (i = 0; i < xl->mem_acct.num_types; i++) {
+ ret = LOCK_DESTROY(&(xl->mem_acct.rec[i].lock));
+ assert_int_equal(ret, 0);
+ }
+
+ free(xl->mem_acct.rec);
+ free(xl->ctx);
+ free(xl);
+ return 0;
+}
+
+static void
+helper_check_memory_headers( char *mem,
+ xlator_t *xl,
+ size_t size,
+ uint32_t type)
+{
+ mem_header_t *p;
+
+ p = (mem_header_t *)mem,
+ assert_int_equal(p->type, type);
+ assert_int_equal(p->size, size);
+ assert_true(p->xl == xl);
+ assert_int_equal(p->header_magic, GF_MEM_HEADER_MAGIC);
+ assert_true(*(uint32_t *)(mem+sizeof(mem_header_t)+size) == GF_MEM_TRAILER_MAGIC);
+
+}
+
+/*
+ * Tests
+ */
+static void
+test_gf_mem_acct_enable_set(void **state)
+{
+ (void) state;
+ glusterfs_ctx_t test_ctx;
+
+ expect_assert_failure(gf_mem_acct_enable_set(NULL));
+
+ memset(&test_ctx, 0, sizeof(test_ctx));
+ assert_true(NULL == test_ctx.process_uuid);
+ gf_mem_acct_enable_set((void *)&test_ctx);
+ assert_true(1 == test_ctx.mem_acct_enable);
+ assert_true(NULL == test_ctx.process_uuid);
+}
+
+static void
+test_gf_mem_set_acct_info_asserts(void **state)
+{
+ xlator_t *xl;
+ xlator_t xltest;
+ char *alloc_ptr;
+ size_t size;
+ uint32_t type;
+
+ memset(&xltest, 0, sizeof(xlator_t));
+ xl = (xlator_t *)0xBADD;
+ alloc_ptr = (char *)0xBADD;
+ size = 8196;
+ type = 0;
+
+
+ // Check xl is NULL
+ expect_assert_failure(gf_mem_set_acct_info(NULL, &alloc_ptr, size, type));
+ // Check xl->mem_acct.rec = NULL
+ expect_assert_failure(gf_mem_set_acct_info(&xltest, &alloc_ptr, 0, type));
+ // Check type <= xl->mem_acct.num_types
+ type = 100;
+ expect_assert_failure(gf_mem_set_acct_info(&xltest, &alloc_ptr, 0, type));
+ // Check alloc is NULL
+ assert_int_equal(-1, gf_mem_set_acct_info(&xltest, NULL, size, type));
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+
+ // Test number of types
+ type = 100;
+ assert_true(NULL != xl->mem_acct.rec);
+ assert_true(type > xl->mem_acct.num_types);
+ expect_assert_failure(gf_mem_set_acct_info(xl, &alloc_ptr, size, type));
+
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_mem_set_acct_info_memory(void **state)
+{
+ xlator_t *xl;
+ char *alloc_ptr;
+ char *temp_ptr;
+ size_t size;
+ uint32_t type;
+
+ size = 8196;
+ type = 9;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+
+ // Test allocation
+ temp_ptr = test_calloc(1, size + GF_MEM_HEADER_SIZE + GF_MEM_TRAILER_SIZE);
+ assert_non_null(temp_ptr);
+ alloc_ptr = temp_ptr;
+ gf_mem_set_acct_info(xl, &alloc_ptr, size, type);
+
+ //Check values
+ assert_int_equal(xl->mem_acct.rec[type].size, size);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+
+ // Check memory
+ helper_check_memory_headers(temp_ptr, xl, size, type);
+
+ // Check that alloc_ptr has been moved correctly
+ // by gf_mem_set_acct_info
+ {
+ mem_header_t *p;
+
+ p = (mem_header_t *)temp_ptr;
+ p++;
+ p->type = 1234;
+ assert_int_equal(*(uint32_t *)alloc_ptr, p->type);
+ }
+
+ free(temp_ptr);
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_calloc_default_calloc(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ will_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_calloc
+ size = 1024;
+ type = 3;
+ mem = __gf_calloc(1, size, type);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl did not change
+ assert_int_equal(xl->mem_acct.rec[type].size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+
+ free(mem);
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_calloc_mem_acct_enabled(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ xl->ctx->mem_acct_enable = 1;
+
+ // For line mem-pool.c:115 and mem-pool:118
+ will_always_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_calloc
+ size = 1024;
+ type = 3;
+ mem = __gf_calloc(1, size, type);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl values
+ assert_int_equal(xl->mem_acct.rec[type].size, size);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+
+ // Check memory
+ helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
+ free(mem - sizeof(mem_header_t));
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_malloc_default_malloc(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ will_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_malloc
+ size = 1024;
+ type = 3;
+ mem = __gf_malloc(size, type);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl did not change
+ assert_int_equal(xl->mem_acct.rec[type].size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+
+ free(mem);
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_malloc_mem_acct_enabled(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ xl->ctx->mem_acct_enable = 1;
+
+ // For line mem-pool.c:115 and mem-pool:118
+ will_always_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_malloc
+ size = 1024;
+ type = 3;
+ mem = __gf_malloc(size, type);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl values
+ assert_int_equal(xl->mem_acct.rec[type].size, size);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 1);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, size);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 1);
+
+ // Check memory
+ helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
+ free(mem - sizeof(mem_header_t));
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_realloc_default_realloc(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ will_always_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_malloc then realloc
+ size = 10;
+ type = 3;
+ mem = __gf_malloc(size, type);
+ assert_non_null(mem);
+ memset(mem, 0xA5, size);
+
+ size = 1024;
+ mem = __gf_realloc(mem, size);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl did not change
+ assert_int_equal(xl->mem_acct.rec[type].size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, 0);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 0);
+
+ free(mem);
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_realloc_mem_acct_enabled(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+ uint32_t type;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+ xl->ctx->mem_acct_enable = 1;
+
+ // For line mem-pool.c:115 and mem-pool:118
+ will_always_return(__glusterfs_this_location, &xl);
+
+ // Call __gf_malloc then realloc
+ size = 1024;
+ type = 3;
+ mem = __gf_malloc(size, type);
+ assert_non_null(mem);
+ memset(mem, 0xA5, size);
+
+ size = 2048;
+ mem = __gf_realloc(mem, size);
+ assert_non_null(mem);
+ memset(mem, 0x5A, size);
+
+ // Check xl values
+ //
+ // :TODO: This is really weird. I would have expected
+ // xl to only have a size equal to that of the realloc
+ // not to the realloc + the malloc.
+ // Is this a bug?
+ //
+ assert_int_equal(xl->mem_acct.rec[type].size, size+1024);
+ assert_int_equal(xl->mem_acct.rec[type].num_allocs, 2);
+ assert_int_equal(xl->mem_acct.rec[type].total_allocs, 2);
+ assert_int_equal(xl->mem_acct.rec[type].max_size, size+1024);
+ assert_int_equal(xl->mem_acct.rec[type].max_num_allocs, 2);
+
+ // Check memory
+ helper_check_memory_headers(mem - sizeof(mem_header_t), xl, size, type);
+ free(mem - sizeof(mem_header_t));
+ helper_xlator_destroy(xl);
+}
+
+static void
+test_gf_realloc_ptr(void **state)
+{
+ xlator_t *xl;
+ void *mem;
+ size_t size;
+
+ // Initialize xl
+ xl = helper_xlator_init(10);
+ assert_int_equal(xl->ctx->mem_acct_enable, 0);
+
+ // For line mem-pool.c:115 and mem-pool:118
+ will_always_return(__glusterfs_this_location, &xl);
+
+ // Tests according to the manpage for realloc
+
+ // Like a malloc
+ size = 1024;
+ mem = __gf_realloc(NULL, size);
+ assert_non_null(mem);
+ memset(mem, 0xA5, size);
+
+ // Like a free
+ mem = __gf_realloc(mem, 0);
+ assert_null(mem);
+
+ // Now enable xl context
+ xl->ctx->mem_acct_enable = 1;
+ expect_assert_failure(__gf_realloc(NULL, size));
+
+ helper_xlator_destroy(xl);
+}
+
+int main(void) {
+ const UnitTest tests[] = {
+ unit_test(test_gf_mem_acct_enable_set),
+ unit_test(test_gf_mem_set_acct_info_asserts),
+ unit_test(test_gf_mem_set_acct_info_memory),
+ unit_test(test_gf_calloc_default_calloc),
+ unit_test(test_gf_calloc_mem_acct_enabled),
+ unit_test(test_gf_malloc_default_malloc),
+ unit_test(test_gf_malloc_mem_acct_enabled),
+ unit_test(test_gf_realloc_default_realloc),
+ unit_test(test_gf_realloc_mem_acct_enabled),
+ unit_test(test_gf_realloc_ptr),
+ };
+
+ return run_tests(tests, "libglusterfs_mem_pool");
+}