[FEATURE]maat support dynamic reload log_level

src/maat_api.c

@@ -353,7 +353,7 @@ struct maat *maat_new(struct maat_options *opts, const char *table_info_path)
 
     if (strlen(maat_inst->opts.log_path) != 0) {
         maat_inst->logger = log_handle_create(maat_inst->opts.log_path,
-                                                  maat_inst->opts.log_level);
+                                              maat_inst->opts.log_level);
     } else {
         char log_path[MAX_NAME_STR_LEN] = {0};
         if (strlen(maat_inst->opts.inst_name) > 0) {
@@ -443,6 +443,12 @@ void maat_free(struct maat *maat_inst)
 	pthread_join(maat_inst->cfg_mon_thread, &ret);
 }
 
+void maat_reload_log_level(struct maat *maat_inst, enum log_level level)
+{
+    maat_inst->opts.log_level = level;
+    log_handle_set_level(maat_inst->logger, level);
+}
+
 __thread int _thread_local_tid = -1;
 void maat_register_thread(struct maat *maat_inst)
 {
@@ -542,7 +548,8 @@ int maat_table_callback_register(struct maat *maat_inst, int table_id,
     if (table_type != TABLE_TYPE_PLUGIN) {
         pthread_mutex_unlock(&(maat_inst->background_update_mutex));
         log_fatal(maat_inst->logger, MODULE_MAAT_API, 
-                  "[%s:%d] table type:%d illegal", __FUNCTION__, __LINE__, table_type);
+                  "[%s:%d] table type:%d illegal",
+                  __FUNCTION__, __LINE__, table_type);
         return -1;
     }
 

src/maat_compile.c

@@ -1370,7 +1370,7 @@ static int maat_add_group_to_compile(struct rcu_hash_table *hash_tbl,
         }
     }
 
-    return ret;
+    return 0;
 }
 
 static int maat_remove_group_from_compile(struct rcu_hash_table *hash_tbl,
@@ -1450,7 +1450,7 @@ static int maat_remove_group_from_compile(struct rcu_hash_table *hash_tbl,
         }
     }
 
-    return ret;
+    return 0;
 }
 
 struct compile_state *compile_state_new(void)

src/maat_config_monitor.c

@@ -181,10 +181,7 @@ static int cm_read_table_file(struct cm_table_info_t *index,
 			continue;
 		}
 
-		ret = update_fn(index->table_name, line, u_param);
-		if (ret < 0) {
-			break;
-		}
+		update_fn(index->table_name, line, u_param);
 	}
 
 	FREE(file_buff);

src/version.map

@@ -6,6 +6,7 @@ global:
         maat_new;
         maat_free;
         maat_get_table_id;
+        maat_reload_log_level;
         maat_table*;
         maat_compile_table*;
         maat_plugin_table*;