[PATCH]bugfix for switch expr engine

include/maat.h

@@ -56,10 +56,16 @@ enum maat_update_type {
     MAAT_UPDATE_TYPE_INC
 };
 
+/**
+ * @brief auto means select engine automatically
+ *        regex rules always use hyperscan
+ *        literal rules: rule_num <= 50k, use hyperscan
+ *                       rule_num > 50k, use rulescan
+*/
 enum maat_expr_engine {
-    MAAT_EXPR_ENGINE_HS = 0, //hyperscan(default engine)
-    MAAT_EXPR_ENGINE_RS,      //rulescan
-    MAAT_EXPR_ENGINE_AUTO
+    MAAT_EXPR_ENGINE_HS = 0, //hyperscan
+    MAAT_EXPR_ENGINE_RS,     //rulescan
+    MAAT_EXPR_ENGINE_AUTO    //default
 };
 
 struct ip_addr {

src/maat_expr.c

@@ -506,7 +506,11 @@ void *expr_runtime_new(void *expr_schema, size_t max_thread_num,
     expr_rt->ref_garbage_bin = garbage_bin;
     expr_rt->logger = logger;
     expr_rt->district_map = maat_kv_store_new();
-    expr_rt->engine_type = schema->engine_type;
+    if (schema->engine_type == MAAT_EXPR_ENGINE_AUTO) {
+        expr_rt->engine_type = table_manager_get_expr_engine(schema->ref_tbl_mgr);
+    } else {
+        expr_rt->engine_type = schema->engine_type;
+    }
     
     expr_rt->hit_cnt = alignment_int64_array_alloc(max_thread_num);
     expr_rt->scan_cnt = alignment_int64_array_alloc(max_thread_num);

src/maat_table.c

@@ -1138,7 +1138,7 @@ int table_manager_get_valid_column(struct table_manager *tbl_mgr, int table_id)
 enum maat_expr_engine table_manager_get_expr_engine(struct table_manager *tbl_mgr)
 {
     if (NULL == tbl_mgr) {
-        return EXPR_ENGINE_TYPE_HS;
+        return EXPR_ENGINE_TYPE_AUTO;
     }
 
     return tbl_mgr->engine_type;

test/maat_input_mode_gtest.cpp

@@ -235,7 +235,7 @@ int main(int argc, char ** argv)
 {
 	int ret=0;
 	::testing::InitGoogleTest(&argc, argv);
-    g_logger = log_handle_create("./input_mode_gtest.log", 0);
+    g_logger = log_handle_create("./maat_input_mode_gtest.log", 0);
 
     char json_iris_path[NAME_MAX] = {0};
     snprintf(json_iris_path, sizeof(json_iris_path), "./%s_iris_tmp", json_filename);