[FEATURE]add hit_path&hit_group enable API

include/maat.h

@@ -55,16 +55,16 @@ enum maat_update_type {
     MAAT_UPDATE_TYPE_INC
 };
 
-enum maat_list_type {
-    MAAT_LIST_TYPE_FULL = 1,
-    MAAT_LIST_TYPE_INC
-};
-
 enum maat_expr_engine {
     MAAT_EXPR_ENGINE_HS = 0, //default engine(hyperscan)
     MAAT_EXPR_ENGINE_RS      //rulescan
 };
 
+enum maat_list_type {
+    MAAT_LIST_TYPE_FULL = 1,
+    MAAT_LIST_TYPE_INC
+};
+
 struct ip_addr {
     int ip_type;             //4: IPv4, 6: IPv6
     union {
@@ -152,6 +152,10 @@ int maat_options_set_stat_file(struct maat_options *opts, const char *stat_filen
 
 int maat_options_set_expr_engine(struct maat_options *opts, enum maat_expr_engine engine);
 
+int maat_options_set_hit_path_enabled(struct maat_options *opts);
+
+int maat_options_set_hit_group_enabled(struct maat_options *opts);
+
 /* maat_instance API */
 struct maat *maat_new(struct maat_options *opts, const char *table_info_path);
 void maat_free(struct maat *instance);
@@ -290,18 +294,16 @@ int maat_state_get_hit_paths(struct maat_state *state, struct maat_hit_path *pat
 size_t maat_state_get_scan_count(struct maat_state *state);
 
 /**
- * @brief get direct hit groups(full or incremental)
+ * @brief direct group means group corresponding to item
  * 
- * @param type: 
- *          MAAT_LIST_TYPE_FULL => get all hit groups after maat_state_new
- *          MAAT_LIST_TYPE_INC  => get hit groups for this scan
  * NOTE: hit groups may be duplicated
 */
 int maat_state_get_direct_hit_groups(struct maat_state *state, enum maat_list_type type,
-                                     struct maat_hit_group *group_array, size_t array_size);
+                                     struct maat_hit_group *group_array,
+                                     size_t array_size);
 
 /**
- * @brief get indirect hit groups
+ * @brief indirect group means superior group
  * 
  * NOTE: hit groups may be duplicated
 */

src/inc_internal/maat_rule.h

@@ -119,6 +119,8 @@ struct maat_options {
 
     int stat_on;
     int perf_on;
+    int hit_path_on;
+    int hit_group_on;
     int deferred_load_on;
 
     int maat_json_is_gzipped;

src/maat_api.c

@@ -268,6 +268,28 @@ int maat_options_set_expr_engine(struct maat_options *opts,
     return 0;
 }
 
+int maat_options_set_hit_path_enabled(struct maat_options *opts)
+{
+    if (NULL == opts) {
+        return -1;
+    }
+
+    opts->hit_path_on = 1;
+
+    return 0;
+}
+
+int maat_options_set_hit_group_enabled(struct maat_options *opts)
+{
+    if (NULL == opts) {
+        return -1;
+    }
+
+    opts->hit_group_on = 1;
+
+    return 0;
+}
+
 int maat_options_set_logger(struct maat_options *opts, const char *log_path,
                             enum log_level level)
 {
@@ -1956,7 +1978,8 @@ size_t maat_state_get_scan_count(struct maat_state *state)
 }
 
 int maat_state_get_direct_hit_groups(struct maat_state *state, enum maat_list_type type,
-                                     struct maat_hit_group *group_array, size_t array_size)
+                                     struct maat_hit_group *group_array,
+                                     size_t array_size)
 {
     if (NULL == state || NULL == group_array || 0 == array_size) {
         return -1;

src/maat_compile.c

@@ -144,15 +144,15 @@ struct maat_compile_state {
     time_t compile_rt_version;
 
 	UT_array *internal_hit_paths;
-    UT_array *internal_inc_hit_paths;
 	UT_array *all_hit_clauses;
 	UT_array *this_scan_hit_clauses;
+    UT_array *direct_hit_groups;
     UT_array *indirect_hit_groups;
 };
 
 UT_icd ut_literal_id_icd = {sizeof(struct maat_literal_id), NULL, NULL, NULL};
 UT_icd ut_clause_id_icd = {sizeof(long long), NULL, NULL, NULL};
-UT_icd ut_indirect_hit_group_icd = {sizeof(struct maat_hit_group), NULL, NULL, NULL};
+UT_icd ut_maat_hit_group_icd = {sizeof(struct maat_hit_group), NULL, NULL, NULL};
 UT_icd ut_hit_path_icd = {sizeof(struct maat_internal_hit_path), NULL, NULL, NULL};
 
 static struct maat_compile *maat_compile_new(long long compile_id)
@@ -1346,10 +1346,10 @@ struct maat_compile_state *maat_compile_state_new(void)
     struct maat_compile_state *compile_state = ALLOC(struct maat_compile_state, 1);
 
 	utarray_new(compile_state->internal_hit_paths, &ut_hit_path_icd);
-    utarray_new(compile_state->internal_inc_hit_paths, &ut_hit_path_icd);
 	utarray_new(compile_state->all_hit_clauses, &ut_clause_id_icd);
 	utarray_new(compile_state->this_scan_hit_clauses, &ut_clause_id_icd);
-    utarray_new(compile_state->indirect_hit_groups, &ut_indirect_hit_group_icd);
+    utarray_new(compile_state->direct_hit_groups, &ut_maat_hit_group_icd);
+    utarray_new(compile_state->indirect_hit_groups, &ut_maat_hit_group_icd);
 
 	return compile_state;
 }
@@ -1366,9 +1366,9 @@ void maat_compile_state_reset(struct maat_compile_state *compile_state)
     compile_state->not_clause_hit_flag = 0;
 
     utarray_clear(compile_state->internal_hit_paths);
-    utarray_clear(compile_state->internal_inc_hit_paths);
     utarray_clear(compile_state->all_hit_clauses);
     utarray_clear(compile_state->this_scan_hit_clauses);
+    utarray_clear(compile_state->direct_hit_groups);
     utarray_clear(compile_state->indirect_hit_groups);
 }
 
@@ -1387,13 +1387,6 @@ void maat_compile_state_free(struct maat_compile_state *compile_state,
         compile_state->internal_hit_paths = NULL;
     }
     
-    if (compile_state->internal_inc_hit_paths != NULL) {
-        free_bytes += utarray_size(compile_state->internal_inc_hit_paths) *
-                      sizeof(struct maat_internal_hit_path);
-        utarray_free(compile_state->internal_inc_hit_paths);
-        compile_state->internal_inc_hit_paths = NULL;
-    }
-
     if (compile_state->all_hit_clauses != NULL) {
         free_bytes += utarray_size(compile_state->all_hit_clauses) * sizeof(long long);
         utarray_free(compile_state->all_hit_clauses);
@@ -1406,6 +1399,12 @@ void maat_compile_state_free(struct maat_compile_state *compile_state,
         compile_state->this_scan_hit_clauses = NULL;
     }
 	
+    if (compile_state->direct_hit_groups != NULL) {
+        free_bytes += utarray_size(compile_state->direct_hit_groups) * sizeof(struct maat_hit_group);
+        utarray_free(compile_state->direct_hit_groups);
+        compile_state->direct_hit_groups = NULL;
+    }
+
     if (compile_state->indirect_hit_groups != NULL) {
         free_bytes += utarray_size(compile_state->indirect_hit_groups) * sizeof(struct maat_hit_group);
         utarray_free(compile_state->indirect_hit_groups);
@@ -1531,42 +1530,54 @@ size_t compile_runtime_get_hit_paths(struct compile_runtime *compile_rt, int thr
     return (n_hit_path + new_hit_path_cnt);
 }
 
-static void maat_compile_state_update_indirect_group(struct maat_compile_state *compile_state,
+static void maat_compile_state_update_direct_hit_groups(UT_array *hit_group_array,
-                                                     long long *group_ids, size_t n_group_id,
+                                                        struct maat_item *hit_items,
-                                                     int vtable_id)
+                                                        size_t n_hit_items, int vtable_id)
+{
+    if (NULL == hit_group_array) {
+        return;
+    }
+
+    struct maat_hit_group hit_group;
+    for (size_t i = 0; i < n_hit_items; i++) {
+        hit_group.item_id = hit_items[i].item_id;
+        hit_group.group_id = hit_items[i].group_id;
+        hit_group.vtable_id = vtable_id;
+        utarray_push_back(hit_group_array, &hit_group);
+    }
+}
+
+static void maat_compile_state_update_indirect_hit_groups(UT_array *hit_group_array,
+                                                          long long *group_ids,
+                                                          size_t n_group_ids, int vtable_id)
+{
+    if (NULL == hit_group_array) {
+        return;
+    }
+
+    struct maat_hit_group hit_group;
+    for (size_t i = 0; i < n_group_ids; i++) {
+        hit_group.item_id = 0;
+        hit_group.group_id = group_ids[i];
+        hit_group.vtable_id = vtable_id;
+        utarray_push_back(hit_group_array, &hit_group);
+    }
+}
+
+static void maat_compile_state_update_hit_paths(struct maat_compile_state *compile_state,
+                                                struct maat_item *hit_items, size_t n_hit_items,
+                                                int vtable_id, int Nth_scan)
 {
     if (NULL == compile_state) {
         return;
     }
 
-    struct maat_hit_group hit_group;
+	for (size_t i = 0; i < n_hit_items; i++) {
-    for (size_t i = 0; i < n_group_id; i++) {
+        maat_compile_hit_path_add(compile_state->internal_hit_paths, hit_items[i].item_id,
-        hit_group.item_id = 0;
+                                  hit_items[i].group_id, vtable_id, Nth_scan);
-        hit_group.group_id = group_ids[i];
-        hit_group.vtable_id = vtable_id;
-        utarray_push_back(compile_state->indirect_hit_groups, &hit_group);
     }
 }
 
-static void maat_compile_state_update_hit_path(struct maat_compile_state *compile_state,
-                                               long long item_id, long long group_id,
-                                               int vtable_id, int Nth_scan)
-{
-	if (compile_state->Nth_scan != Nth_scan) {
-		assert(compile_state->this_scan_hit_item_flag == 0);
-		compile_state->Nth_scan = Nth_scan;
-		utarray_clear(compile_state->this_scan_hit_clauses);
-	}
-
-    maat_compile_hit_path_add(compile_state->internal_inc_hit_paths, item_id,
-                              group_id, vtable_id, Nth_scan);
-
-    maat_compile_hit_path_add(compile_state->internal_hit_paths, item_id,
-                              group_id, vtable_id, Nth_scan);
-
-	compile_state->this_scan_hit_item_flag = 1;
-}
-
 static void maat_compile_state_update_hit_clause(struct maat_compile_state *compile_state,
                                                  struct compile_runtime *compile_rt,
                                                  long long group_id, int vtable_id)
@@ -2077,24 +2088,38 @@ void maat_compile_state_update(int vtable_id, struct maat_item *hit_items,
                                   state->thread_id, 1);
     }
     
-    int g2g_table_id = table_manager_get_group2group_table_id(maat_inst->tbl_mgr);
+    struct maat_compile_state *compile_state = state->compile_state;
-    void *g2g_rt = table_manager_get_runtime(maat_inst->tbl_mgr, g2g_table_id);
+    if (hit_cnt > 0) {
+        if (compile_state->Nth_scan != state->scan_cnt) {
+		    assert(compile_state->this_scan_hit_item_flag == 0);
+		    compile_state->Nth_scan = state->scan_cnt;
+		    utarray_clear(compile_state->this_scan_hit_clauses);
+	    }
+        compile_state->this_scan_hit_item_flag = 1;
+    }
 
     for (i = 0; i < hit_cnt; i++) {
         hit_group_ids[i] = hit_items[i].group_id; 
     }
 
+    int g2g_table_id = table_manager_get_group2group_table_id(maat_inst->tbl_mgr);
+    void *g2g_rt = table_manager_get_runtime(maat_inst->tbl_mgr, g2g_table_id);
+
     long long super_group_ids[MAX_SCANNER_HIT_GROUP_NUM];
     size_t super_group_cnt = group2group_runtime_get_super_groups(g2g_rt, hit_group_ids,
                                                                   hit_cnt, super_group_ids,
                                                                   MAX_SCANNER_HIT_GROUP_NUM);
-    for (i = 0; i < hit_cnt; i++) {
+    if (1 == maat_inst->opts.hit_path_on) {
-        maat_compile_state_update_hit_path(state->compile_state, hit_items[i].item_id,
+        maat_compile_state_update_hit_paths(compile_state, hit_items, hit_cnt,
-                                           hit_items[i].group_id, vtable_id, state->scan_cnt);
+                                            vtable_id, state->scan_cnt);
     }    
 
-    maat_compile_state_update_indirect_group(state->compile_state, super_group_ids,
+    if (1 == maat_inst->opts.hit_group_on) {
-                                             super_group_cnt, vtable_id);
+        maat_compile_state_update_direct_hit_groups(compile_state->direct_hit_groups,
+                                                    hit_items, hit_cnt, vtable_id);
+        maat_compile_state_update_indirect_hit_groups(compile_state->indirect_hit_groups,
+                                                      super_group_ids, super_group_cnt, vtable_id);
+    }
 
     /* update hit clause */
     int compile_table_id = table_manager_get_default_compile_table_id(maat_inst->tbl_mgr);
@@ -2109,12 +2134,12 @@ void maat_compile_state_update(int vtable_id, struct maat_item *hit_items,
     }
 
     for (int j = 0; j < super_group_cnt; j++) {
-        maat_compile_state_update_hit_clause(state->compile_state, compile_rt,
+        maat_compile_state_update_hit_clause(compile_state, compile_rt,
                                              super_group_ids[j], vtable_id);
     }
 
     for (int j = 0; j < hit_cnt; j++) {
-        maat_compile_state_update_hit_clause(state->compile_state, compile_rt,
+        maat_compile_state_update_hit_clause(compile_state, compile_rt,
                                              hit_group_ids[j], vtable_id);
     }
 }
@@ -2149,26 +2174,18 @@ size_t maat_compile_state_get_direct_hit_groups(struct maat_compile_state *compi
         return 0;
     }
     
-    
+    UT_array *direct_hit_group = compile_state->direct_hit_groups;
-    UT_array *wanted_hit_path = NULL;
-    if (type == MAAT_LIST_TYPE_FULL) {
-        wanted_hit_path = compile_state->internal_hit_paths;
-    } else if (type == MAAT_LIST_TYPE_INC) {
-        wanted_hit_path = compile_state->internal_inc_hit_paths;
-    }
 
     size_t i = 0;
-    struct maat_internal_hit_path *path = NULL;
+    struct maat_hit_group *group = NULL;
-    for (i = 0; i < utarray_len(wanted_hit_path) && i < array_size; i++) {
+    for (i = 0; i < utarray_len(direct_hit_group) && i < array_size; i++) {
-        path = (struct maat_internal_hit_path *)utarray_eltptr(wanted_hit_path, i);
+        group = (struct maat_hit_group *)utarray_eltptr(direct_hit_group, i);
-        group_array[i].item_id = path->item_id;
+        group_array[i].item_id = group->item_id;
-        group_array[i].group_id = path->group_id;
+        group_array[i].group_id = group->group_id;
-        group_array[i].vtable_id = path->vtable_id;
+        group_array[i].vtable_id = group->vtable_id;
     }
    
-    if (type == MAAT_LIST_TYPE_INC) {
+    utarray_clear(compile_state->direct_hit_groups);
-        utarray_clear(compile_state->internal_inc_hit_paths);
-    }
 
     return i;
 }

test/maat_framework_gtest.cpp

@@ -518,6 +518,7 @@ protected:
         maat_options_set_stat_file(opts, "./stat.log");
         maat_options_set_logger(opts, "./maat_framework_gtest.log", LOG_LEVEL_INFO);
         maat_options_set_accept_tags(opts, accept_tags);
+        maat_options_set_hit_path_enabled(opts);
 
         _shared_maat_inst = maat_new(opts, table_info_path);
         maat_options_free(opts);
@@ -767,6 +768,7 @@ protected:
         maat_options_set_stat_file(opts, "./stat.log");
         maat_options_set_logger(opts, "./maat_framework_gtest.log", LOG_LEVEL_INFO);
         maat_options_set_accept_tags(opts, accept_tags);
+        maat_options_set_hit_path_enabled(opts);
         //maat_options_set_expr_engine(opts, MAAT_EXPR_ENGINE_HS); //default
 
         _shared_maat_inst = maat_new(opts, table_info_path);
@@ -1437,6 +1439,7 @@ protected:
         maat_options_set_logger(opts, "./maat_framework_gtest.log", LOG_LEVEL_INFO);
         maat_options_set_accept_tags(opts, accept_tags);
         maat_options_set_expr_engine(opts, MAAT_EXPR_ENGINE_RS);
+        maat_options_set_hit_path_enabled(opts);
 
         _shared_maat_inst = maat_new(opts, table_info_path);
         maat_options_free(opts);
@@ -4072,6 +4075,7 @@ protected:
         maat_options_set_stat_file(opts, "./stat.log");
         maat_options_set_logger(opts, "./maat_framework_gtest.log", LOG_LEVEL_INFO);
         maat_options_set_accept_tags(opts, accept_tags);
+        maat_options_set_hit_path_enabled(opts);
 
         _shared_maat_inst = maat_new(opts, table_info_path);
         maat_options_free(opts);
@@ -4884,6 +4888,8 @@ protected:
         maat_options_set_redis(opts, redis_ip, redis_port, redis_db);
         maat_options_set_stat_file(opts, "./stat.log");
         maat_options_set_logger(opts, "./maat_framework_gtest.log", LOG_LEVEL_INFO);
+        maat_options_set_hit_path_enabled(opts);
+        maat_options_set_hit_group_enabled(opts);
 
         _shared_maat_inst = maat_new(opts, table_info_path);
         assert(_shared_maat_inst != NULL);
@@ -6443,14 +6449,7 @@ TEST_F(MaatCmdTest, HitGroup) {
 
     struct maat_hit_group hit_groups[128];
     memset(hit_groups, 0, sizeof(hit_groups));
-    int n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_FULL, hit_groups, 128);
+    int n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_INC, hit_groups, 128);
-    EXPECT_EQ(n_hit_group, 1);
-    EXPECT_EQ(hit_groups[0].item_id, item1_id);
-    EXPECT_EQ(hit_groups[0].group_id, group1_id);
-    EXPECT_EQ(hit_groups[0].vtable_id, http_req_table_id);
-
-    memset(hit_groups, 0, sizeof(hit_groups));
-    n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_INC, hit_groups, 128);
     EXPECT_EQ(n_hit_group, 1);
     EXPECT_EQ(hit_groups[0].item_id, item1_id);
     EXPECT_EQ(hit_groups[0].group_id, group1_id);
@@ -6477,17 +6476,6 @@ TEST_F(MaatCmdTest, HitGroup) {
     scan_count = maat_state_get_scan_count(state);
     EXPECT_EQ(scan_count, 2);
 
-    n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_FULL, hit_groups, 128);
-    EXPECT_EQ(n_hit_group, 2);
-
-    EXPECT_EQ(hit_groups[0].item_id, item1_id);
-    EXPECT_EQ(hit_groups[0].group_id, group1_id);
-    EXPECT_EQ(hit_groups[0].vtable_id, http_req_table_id);
-
-    EXPECT_EQ(hit_groups[1].item_id, item2_id);
-    EXPECT_EQ(hit_groups[1].group_id, group2_id);
-    EXPECT_EQ(hit_groups[1].vtable_id, http_res_table_id);
-
     memset(hit_groups, 0, sizeof(hit_groups));
     n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_INC, hit_groups, 128);
     EXPECT_EQ(n_hit_group, 1);
@@ -6516,21 +6504,6 @@ TEST_F(MaatCmdTest, HitGroup) {
     scan_count = maat_state_get_scan_count(state);
     EXPECT_EQ(scan_count, 3);
 
-    n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_FULL, hit_groups, 128);
-    EXPECT_EQ(n_hit_group, 3);
-
-    EXPECT_EQ(hit_groups[0].item_id, item1_id);
-    EXPECT_EQ(hit_groups[0].group_id, group1_id);
-    EXPECT_EQ(hit_groups[0].vtable_id, http_req_table_id);
-
-    EXPECT_EQ(hit_groups[1].item_id, item2_id);
-    EXPECT_EQ(hit_groups[1].group_id, group2_id);
-    EXPECT_EQ(hit_groups[1].vtable_id, http_res_table_id);
-
-    EXPECT_EQ(hit_groups[2].item_id, item4_id);
-    EXPECT_EQ(hit_groups[2].group_id, group4_id);
-    EXPECT_EQ(hit_groups[2].vtable_id, 0); //physical table(keywords_table) vtable_id is 0
-
     int ip_table_id = maat_get_table_id(maat_inst, ip_table_name);
     ASSERT_GT(ip_table_id, 0);
 
@@ -6543,25 +6516,6 @@ TEST_F(MaatCmdTest, HitGroup) {
     scan_count = maat_state_get_scan_count(state);
     EXPECT_EQ(scan_count, 4);
 
-    n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_FULL, hit_groups, 128);
-    EXPECT_EQ(n_hit_group, 4);
-
-    EXPECT_EQ(hit_groups[0].item_id, item1_id);
-    EXPECT_EQ(hit_groups[0].group_id, group1_id);
-    EXPECT_EQ(hit_groups[0].vtable_id, http_req_table_id);
-
-    EXPECT_EQ(hit_groups[1].item_id, item2_id);
-    EXPECT_EQ(hit_groups[1].group_id, group2_id);
-    EXPECT_EQ(hit_groups[1].vtable_id, http_res_table_id);
-
-    EXPECT_EQ(hit_groups[2].item_id, item4_id);
-    EXPECT_EQ(hit_groups[2].group_id, group4_id);
-    EXPECT_EQ(hit_groups[2].vtable_id, 0); //physical table(ip_table) vtable_id is 0
-
-    EXPECT_EQ(hit_groups[3].item_id, item3_id);
-    EXPECT_EQ(hit_groups[3].group_id, group3_id);
-    EXPECT_EQ(hit_groups[3].vtable_id, 0); //physical table(keywords_table) vtable_id is 0
-
     memset(hit_groups, 0, sizeof(hit_groups));
     n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_INC, hit_groups, 128);
     EXPECT_EQ(n_hit_group, 2);
@@ -6581,30 +6535,6 @@ TEST_F(MaatCmdTest, HitGroup) {
     scan_count = maat_state_get_scan_count(state);
     EXPECT_EQ(scan_count, 5);
 
-    memset(hit_groups, 0, sizeof(hit_groups));
-    n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_FULL, hit_groups, 128);
-    EXPECT_EQ(n_hit_group, 5); 
-
-    EXPECT_EQ(hit_groups[0].item_id, item1_id);
-    EXPECT_EQ(hit_groups[0].group_id, group1_id);
-    EXPECT_EQ(hit_groups[0].vtable_id, http_req_table_id);
-
-    EXPECT_EQ(hit_groups[1].item_id, item2_id);
-    EXPECT_EQ(hit_groups[1].group_id, group2_id);
-    EXPECT_EQ(hit_groups[1].vtable_id, http_res_table_id);
-
-    EXPECT_EQ(hit_groups[2].item_id, item4_id);
-    EXPECT_EQ(hit_groups[2].group_id, group4_id);
-    EXPECT_EQ(hit_groups[2].vtable_id, 0); //physical table(ip_table) vtable_id is 0
-
-    EXPECT_EQ(hit_groups[3].item_id, item3_id);
-    EXPECT_EQ(hit_groups[3].group_id, group3_id);
-    EXPECT_EQ(hit_groups[3].vtable_id, 0); //physical table(keywords_table) vtable_id is 0
-
-    EXPECT_EQ(hit_groups[4].item_id, item5_id);
-    EXPECT_EQ(hit_groups[4].group_id, group1_id);
-    EXPECT_EQ(hit_groups[4].vtable_id, 0);
-
     memset(hit_groups, 0, sizeof(hit_groups));
     n_hit_group = maat_state_get_direct_hit_groups(state, MAAT_LIST_TYPE_INC, hit_groups, 128);
     EXPECT_EQ(n_hit_group, 1);