491 lines
15 KiB
C
491 lines
15 KiB
C
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/*
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**********************************************************************************************
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* File: maat_bool_plugin.cpp
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* Description:
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* Authors: Liu wentan <liuwentan@geedgenetworks.com>
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* Date: 2022-10-31
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* Copyright: (c) 2018-2022 Geedge Networks, Inc. All rights reserved.
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***********************************************************************************************
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*/
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#include <assert.h>
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#include "maat_bool_plugin.h"
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#include "bool_matcher.h"
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#include "maat_ex_data.h"
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#include "log/log.h"
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#include "maat_utils.h"
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#include "maat_rule.h"
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#include "maat_garbage_collection.h"
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#define MODULE_BOOL_PLUGIN module_name_str("maat.bool_plugin")
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struct bool_plugin_schema {
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int item_id_column;
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int bool_expr_column;
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int rule_tag_column;
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struct ex_data_schema *ex_schema;
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int table_id;
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struct table_manager *ref_tbl_mgr;
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unsigned long long update_err_cnt;
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unsigned long long unmatch_tag_cnt;
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};
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struct bool_plugin_item {
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int item_id;
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size_t n_bool_item;
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unsigned long long bool_item_id[MAX_ITEMS_PER_BOOL_EXPR];
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};
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struct bool_plugin_runtime {
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struct bool_matcher *matcher;
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struct ex_data_runtime *ex_data_rt;
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uint32_t rule_num;
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uint32_t updating_rule_num;
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struct maat_garbage_bin *ref_garbage_bin;
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struct log_handle *logger;
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};
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/* bool plugin schema API */
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void *bool_plugin_schema_new(cJSON *json, struct table_manager *tbl_mgr,
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const char *table_name, struct log_handle *logger)
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{
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size_t read_cnt = 0;
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struct bool_plugin_schema *schema = ALLOC(struct bool_plugin_schema, 1);
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cJSON *custom_item = NULL;
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cJSON *item = cJSON_GetObjectItem(json, "table_id");
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if (item != NULL && item->type == cJSON_Number) {
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schema->table_id = item->valueint;
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read_cnt++;
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}
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item = cJSON_GetObjectItem(json, "custom");
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if (NULL == item || item->type != cJSON_Object) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"table %s has no custom column", table_name);
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goto error;
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}
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custom_item = cJSON_GetObjectItem(item, "item_id");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->item_id_column = custom_item->valueint;
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read_cnt++;
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}
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custom_item = cJSON_GetObjectItem(item, "bool_expr");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->bool_expr_column = custom_item->valueint;
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read_cnt++;
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}
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// rule_tag is optional
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custom_item = cJSON_GetObjectItem(item, "rule_tag");
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if (custom_item != NULL && custom_item->type == cJSON_Number) {
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schema->rule_tag_column = custom_item->valueint;
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}
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schema->ref_tbl_mgr = tbl_mgr;
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if (read_cnt < 3) {
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goto error;
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}
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return schema;
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error:
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FREE(schema);
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return NULL;
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}
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void bool_plugin_schema_free(void *bool_plugin_schema)
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{
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if (NULL == bool_plugin_schema) {
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return;
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}
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struct bool_plugin_schema *schema = (struct bool_plugin_schema *)bool_plugin_schema;
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if (schema->ex_schema != NULL) {
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ex_data_schema_free(schema->ex_schema);
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schema->ex_schema = NULL;
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}
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FREE(schema);
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}
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/* ip plugin table ex data API */
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struct ex_data_schema *bool_plugin_table_get_ex_data_schema(void *bool_plugin_schema)
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{
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if (NULL == bool_plugin_schema) {
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return NULL;
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}
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struct bool_plugin_schema *schema = (struct bool_plugin_schema *)bool_plugin_schema;
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return schema->ex_schema;
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}
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int bool_plugin_table_set_ex_data_schema(void *bool_plugin_schema,
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maat_plugin_ex_new_func_t *new_func,
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maat_plugin_ex_free_func_t *free_func,
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maat_plugin_ex_dup_func_t *dup_func,
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long argl, void *argp,
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struct log_handle *logger)
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{
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if (NULL == bool_plugin_schema) {
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return -1;
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}
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struct bool_plugin_schema *schema = (struct bool_plugin_schema *)bool_plugin_schema;
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if (schema->ex_schema != NULL) {
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assert(0);
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log_error(logger, MODULE_BOOL_PLUGIN,
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"Error: %s, EX data schema already registed", __FUNCTION__);
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return -1;
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}
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schema->ex_schema = ex_data_schema_new(new_func, free_func, dup_func, argl, argp);
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return 0;
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}
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void *bool_plugin_runtime_new(void *bool_plugin_schema, int max_thread_num,
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struct maat_garbage_bin *garbage_bin,
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struct log_handle *logger)
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{
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if (NULL == bool_plugin_schema) {
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return NULL;
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}
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struct bool_plugin_schema *schema = (struct bool_plugin_schema *)bool_plugin_schema;
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struct bool_plugin_runtime *bool_plugin_rt = ALLOC(struct bool_plugin_runtime, 1);
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bool_plugin_rt->ex_data_rt = ex_data_runtime_new(schema->table_id, ex_data_container_free,
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logger);
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bool_plugin_rt->ref_garbage_bin = garbage_bin;
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bool_plugin_rt->logger = logger;
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return bool_plugin_rt;
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}
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void bool_plugin_runtime_free(void *bool_plugin_runtime)
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{
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if (NULL == bool_plugin_runtime) {
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return;
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}
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struct bool_plugin_runtime *bool_plugin_rt = (struct bool_plugin_runtime *)bool_plugin_runtime;
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if (bool_plugin_rt->matcher != NULL) {
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bool_matcher_free(bool_plugin_rt->matcher);
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bool_plugin_rt->matcher = NULL;
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}
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if (bool_plugin_rt->ex_data_rt != NULL) {
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ex_data_runtime_free(bool_plugin_rt->ex_data_rt);
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bool_plugin_rt->ex_data_rt = NULL;
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}
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FREE(bool_plugin_rt);
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}
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int bool_plugin_table_ex_data_schema_flag(struct bool_plugin_schema *bool_plugin_schema)
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{
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return 0;
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}
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int bool_plugin_runtime_update_row(struct bool_plugin_runtime *rt,
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struct bool_plugin_schema *schema,
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const char *row, char *key, size_t key_len,
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struct bool_expr *expr, int is_valid)
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{
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int ret = -1;
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struct ex_data_runtime *ex_data_rt = rt->ex_data_rt;
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int set_flag = bool_plugin_table_ex_data_schema_flag(schema);
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if (1 == set_flag) {
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if (0 == is_valid) {
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//delete
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ret = ex_data_runtime_del_ex_container(ex_data_rt, key, key_len);
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if (ret < 0) {
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return -1;
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}
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} else {
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//add
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void *ex_data = ex_data_runtime_row2ex_data(ex_data_rt, row, key, key_len);
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struct ex_data_container *ex_container = ex_data_container_new(ex_data, (void *)expr);
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ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len, ex_container);
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if (ret < 0) {
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return -1;
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}
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}
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} else {
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ex_data_runtime_cache_row_put(ex_data_rt, row);
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}
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return 0;
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}
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int bool_plugin_accept_tag_match(struct bool_plugin_schema *schema, const char *line,
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struct log_handle *logger)
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{
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size_t column_offset = 0;
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size_t column_len = 0;
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size_t n_tag = table_manager_accept_tags_count(schema->ref_tbl_mgr);
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if (schema->rule_tag_column > 0 && n_tag > 0) {
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int ret = get_column_pos(line, schema->rule_tag_column,
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&column_offset, &column_len);
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if (ret < 0) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"bool_plugin table(table_id:%d) has no rule_tag, line:%s",
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schema->table_id, line);
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schema->update_err_cnt++;
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return TAG_MATCH_ERR;
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}
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if (column_len > 2) {
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char *tag_str = ALLOC(char, column_len + 1);
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memcpy(tag_str, (line + column_offset), column_len);
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ret = table_manager_accept_tags_match(schema->ref_tbl_mgr, tag_str);
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FREE(tag_str);
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if (TAG_MATCH_ERR == ret) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"bool_plugin table(table_id:%d) has invalid tag format, line:%s",
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schema->table_id, line);
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schema->update_err_cnt++;
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return TAG_MATCH_ERR;
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}
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if (TAG_MATCH_UNMATCHED == ret) {
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schema->unmatch_tag_cnt++;
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return TAG_MATCH_UNMATCHED;
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}
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}
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}
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return TAG_MATCH_MATCHED;
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}
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struct bool_plugin_item *
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bool_plugin_item_new(const char *line, struct bool_plugin_schema *schema,
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struct log_handle *logger)
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{
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int ret = bool_plugin_accept_tag_match(schema, line, logger);
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if (ret == TAG_MATCH_UNMATCHED) {
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return NULL;
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}
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size_t column_offset = 0;
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size_t column_len = 0;
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size_t n_item = 0;
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char expr_buffer[BUFSIZ] = {0};
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char *token = NULL, *sub_token = NULL, *saveptr;
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struct bool_plugin_item *item = ALLOC(struct bool_plugin_item, 1);
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ret = get_column_pos(line, schema->item_id_column, &column_offset, &column_len);
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if (ret < 0) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"bool_plugin table(table_id:%d) line:%s has no item_id column",
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schema->table_id, line);
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goto error;
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}
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item->item_id = atoi(line + column_offset);
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ret = get_column_pos(line, schema->bool_expr_column, &column_offset, &column_len);
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if (ret < 0) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"bool_plugin table(table_id:%d) line:%s has no bool_expr column",
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schema->table_id, line);
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goto error;
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}
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memcpy(expr_buffer, line + column_offset, column_len);
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for (token = expr_buffer; ; token = NULL) {
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sub_token = strtok_r(token, "&", &saveptr);
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if (NULL == sub_token) {
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break;
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}
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ret = sscanf(sub_token, "%llu", item->bool_item_id + n_item);
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n_item++;
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if (ret != 1 || n_item > MAX_ITEMS_PER_BOOL_EXPR) {
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log_error(logger, MODULE_BOOL_PLUGIN,
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"bool_plugin table(table_id:%d) invalid format of bool_expr column, line:%s",
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schema->table_id, line);
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goto error;
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}
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}
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item->n_bool_item = n_item;
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return item;
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error:
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FREE(item);
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return NULL;
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}
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void bool_plugin_item_free(struct bool_plugin_item *item)
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{
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FREE(item);
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}
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static int cmp_ull_p(const void *p1, const void *p2)
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{
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if(* (unsigned long long*) p1 > * (unsigned long long*) p2) {
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return 1;
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} else if(* (unsigned long long*) p1 < * (unsigned long long*) p2) {
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return -1;
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} else {
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return 0;
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}
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}
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size_t ull_dedup(unsigned long long item_ids[], size_t n_item)
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{
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size_t index = 0;
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qsort(item_ids, n_item, sizeof(unsigned long long), cmp_ull_p);
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for (size_t i = 1; i < n_item; i++) {
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if (item_ids[i] != item_ids[index]) {
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item_ids[++index] = item_ids[i];
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}
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}
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return index + 1;
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}
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struct bool_expr *bool_expr_new(int item_id, struct bool_plugin_item *item)
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{
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struct bool_expr *expr = ALLOC(struct bool_expr, 1);
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expr->expr_id = item_id;
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size_t n_item = ull_dedup(item->bool_item_id, item->n_bool_item);
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for (size_t i = 0; i < n_item; i++) {
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expr->items[i].item_id = item->bool_item_id[i];
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expr->items[i].not_flag = 0;
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}
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expr->item_num = n_item;
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|
||
|
|
return expr;
|
||
|
|
}
|
||
|
|
|
||
|
|
int bool_plugin_runtime_update(void *bool_plugin_runtime, void *bool_plugin_schema,
|
||
|
|
const char *line, int valid_column)
|
||
|
|
{
|
||
|
|
if (NULL == bool_plugin_runtime || NULL == bool_plugin_schema ||
|
||
|
|
NULL == line) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct bool_plugin_item *item = NULL;
|
||
|
|
struct bool_expr *expr = NULL;
|
||
|
|
struct bool_plugin_schema *schema = (struct bool_plugin_schema *)bool_plugin_schema;
|
||
|
|
struct bool_plugin_runtime *bool_plugin_rt = (struct bool_plugin_runtime *)bool_plugin_runtime;
|
||
|
|
int item_id = get_column_value(line, schema->item_id_column);
|
||
|
|
int is_valid = get_column_value(line, valid_column);
|
||
|
|
if (is_valid < 0) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (schema->ex_schema != NULL) {
|
||
|
|
if (1 == is_valid) {
|
||
|
|
// add
|
||
|
|
item = bool_plugin_item_new(line, schema, bool_plugin_rt->logger);
|
||
|
|
if (NULL == item) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
expr = bool_expr_new(item_id, item);
|
||
|
|
assert(expr != NULL);
|
||
|
|
bool_plugin_item_free(item);
|
||
|
|
}
|
||
|
|
|
||
|
|
char *key = (char *)&item_id;
|
||
|
|
int ret = bool_plugin_runtime_update_row(bool_plugin_rt, schema, line, key,
|
||
|
|
sizeof(int), expr, is_valid);
|
||
|
|
if (ret < 0) {
|
||
|
|
if (item != NULL) {
|
||
|
|
FREE(item);
|
||
|
|
}
|
||
|
|
return -1;
|
||
|
|
} else {
|
||
|
|
if (0 == is_valid) {
|
||
|
|
bool_plugin_rt->rule_num--;
|
||
|
|
} else {
|
||
|
|
bool_plugin_rt->rule_num++;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
//ex_schema not set
|
||
|
|
ex_data_runtime_cache_row_put(bool_plugin_rt->ex_data_rt, line);
|
||
|
|
bool_plugin_rt->rule_num = ex_data_runtime_cached_row_count(bool_plugin_rt->ex_data_rt);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int bool_plugin_runtime_commit(void *bool_plugin_runtime, const char *table_name)
|
||
|
|
{
|
||
|
|
if (NULL == bool_plugin_runtime) {
|
||
|
|
return -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
int ret = 0;
|
||
|
|
struct ex_data_container **ex_container = NULL;
|
||
|
|
struct bool_plugin_runtime *bool_plugin_rt = (struct bool_plugin_runtime *)bool_plugin_runtime;
|
||
|
|
struct ex_data_runtime *ex_data_rt = bool_plugin_rt->ex_data_rt;
|
||
|
|
|
||
|
|
size_t expr_cnt = ex_data_runtime_list_updating_ex_container(ex_data_rt, &ex_container);
|
||
|
|
if (0 == expr_cnt) {
|
||
|
|
FREE(ex_container);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct bool_expr *exprs = ALLOC(struct bool_expr, expr_cnt);
|
||
|
|
|
||
|
|
for (size_t i = 0; i < expr_cnt; i++) {
|
||
|
|
exprs[i] = *(struct bool_expr *)(struct bool_expr *)ex_container[i]->custom_data;
|
||
|
|
assert(exprs[i].user_tag == ex_container[i] || NULL == exprs[i].user_tag);
|
||
|
|
exprs[i].user_tag = ex_container[i];
|
||
|
|
}
|
||
|
|
|
||
|
|
struct bool_matcher *new_bool_matcher = NULL;
|
||
|
|
struct bool_matcher *old_bool_matcher = NULL;
|
||
|
|
size_t mem_used = 0;
|
||
|
|
|
||
|
|
log_info(bool_plugin_rt->logger, MODULE_BOOL_PLUGIN,
|
||
|
|
"table[%s] committing %zu bool_plugin rules for rebuilding bool_matcher engine",
|
||
|
|
table_name, expr_cnt);
|
||
|
|
|
||
|
|
new_bool_matcher = bool_matcher_new(exprs, expr_cnt, &mem_used);
|
||
|
|
if (NULL == new_bool_matcher) {
|
||
|
|
log_error(bool_plugin_rt->logger, MODULE_BOOL_PLUGIN,
|
||
|
|
"table[%s] rebuild bool_matcher engine failed when update %zu bool_plugin rules",
|
||
|
|
table_name, expr_cnt);
|
||
|
|
ret = -1;
|
||
|
|
}
|
||
|
|
|
||
|
|
old_bool_matcher = bool_plugin_rt->matcher;
|
||
|
|
bool_plugin_rt->matcher = new_bool_matcher;
|
||
|
|
maat_garbage_bagging(bool_plugin_rt->ref_garbage_bin, old_bool_matcher,
|
||
|
|
(void (*)(void*))bool_matcher_free);
|
||
|
|
ex_data_runtime_commit(ex_data_rt);
|
||
|
|
|
||
|
|
FREE(exprs);
|
||
|
|
FREE(ex_container);
|
||
|
|
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct ex_data_runtime *bool_plugin_runtime_get_ex_data_rt(void *bool_plugin_runtime)
|
||
|
|
{
|
||
|
|
if (NULL == bool_plugin_runtime) {
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
struct bool_plugin_runtime *bool_plugin_rt = (struct bool_plugin_runtime *)bool_plugin_runtime;
|
||
|
|
|
||
|
|
return bool_plugin_rt->ex_data_rt;
|
||
|
|
}
|