This repository has been archived on 2025-09-14. You can view files and clone it, but cannot push or open issues or pull requests.
Files
tango-maat/src/maat_fqdn_plugin.c
2024-10-14 02:25:36 +00:00

622 lines
20 KiB
C

/*
**********************************************************************************************
* File: maat_fqdn_plugin.c
* Description:
* Authors: Liu wentan <liuwentan@geedgenetworks.com>
* Date: 2022-10-31
* Copyright: (c) Since 2022 Geedge Networks, Ltd. All rights reserved.
***********************************************************************************************
*/
#include <assert.h>
#include "alignment.h"
#include "maat_fqdn_plugin.h"
#include "maat_utils.h"
#include "maat_table.h"
#include "maat_core.h"
#include "maat_garbage_collection.h"
#define MODULE_FQDN_PLUGIN module_name_str("maat.bool_plugin")
struct fqdn_plugin_schema {
int gc_timeout_s;
int table_id;
char key_name[MAX_NAME_STR_LEN];
struct ex_container_schema container_schema;
struct table_manager *ref_tbl_mgr;
struct log_handle *logger;
};
struct fqdn_plugin_runtime {
struct FQDN_engine *engine;
struct ex_data_runtime *ex_data_rt;
size_t n_worker_thread;
struct maat_garbage_bin *ref_garbage_bin;
struct log_handle *logger;
long long rule_num;
long long update_err_cnt;
long long *scan_times;
};
void *fqdn_plugin_schema_new(cJSON *json, struct table_manager *tbl_mgr,
const char *table_name, struct log_handle *logger)
{
struct fqdn_plugin_schema *schema = ALLOC(struct fqdn_plugin_schema, 1);
schema->logger = logger;
cJSON *custom_item = NULL;
cJSON *item = cJSON_GetObjectItem(json, "table_id");
if (item != NULL && item->type == cJSON_Number) {
schema->table_id = item->valueint;
} else {
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> schema has no table_id column",
__FUNCTION__, __LINE__, table_name);
goto error;
}
item = cJSON_GetObjectItem(json, "custom");
if (NULL == item || item->type != cJSON_Object) {
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> schema has no custom column",
__FUNCTION__, __LINE__, table_name);
goto error;
}
custom_item = cJSON_GetObjectItem(item, "key_name");
if (custom_item != NULL && custom_item->type == cJSON_String) {
strncpy(schema->key_name, custom_item->valuestring, sizeof(schema->key_name) - 1);
} else {
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> schema has no item_id column",
__FUNCTION__, __LINE__, table_name);
goto error;
}
//gc_timeout_s is optional
custom_item = cJSON_GetObjectItem(item, "gc_timeout_s");
if (custom_item != NULL && custom_item->type == cJSON_Number) {
schema->gc_timeout_s = custom_item->valueint;
}
schema->ref_tbl_mgr = tbl_mgr;
return schema;
error:
FREE(schema);
return NULL;
}
void fqdn_plugin_schema_free(void *fqdn_plugin_schema)
{
if (NULL == fqdn_plugin_schema) {
return;
}
FREE(fqdn_plugin_schema);
}
int fqdn_plugin_table_set_ex_container_schema(void *fqdn_plugin_schema, int table_id,
maat_ex_new_func_t *new_func,
maat_ex_free_func_t *free_func,
maat_ex_dup_func_t *dup_func,
void (*custom_data_free)(void *),
long argl, void *argp)
{
struct fqdn_plugin_schema *schema = (struct fqdn_plugin_schema *)fqdn_plugin_schema;
if (1 == schema->container_schema.set_flag) {
log_fatal(schema->logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table(table_id:%d) ex_container_schema "
"has been set, can't set again", __FUNCTION__, __LINE__, table_id);
return -1;
}
schema->container_schema.table_id = table_id;
schema->container_schema.table_name = (char*)table_manager_get_table_name(schema->ref_tbl_mgr, table_id);
schema->container_schema.custom_data_free = custom_data_free;
schema->container_schema.ex_schema.new_func = new_func;
schema->container_schema.ex_schema.free_func = free_func;
schema->container_schema.ex_schema.dup_func = dup_func;
schema->container_schema.ex_schema.argl = argl;
schema->container_schema.ex_schema.argp = argp;
schema->container_schema.set_flag = 1;
return 0;
}
struct ex_container_schema *
fqdn_plugin_table_get_ex_container_schema(void *fqdn_plugin_schema)
{
struct fqdn_plugin_schema *schema =
(struct fqdn_plugin_schema *)fqdn_plugin_schema;
return &(schema->container_schema);
}
void fqdn_rule_free(struct FQDN_rule *fqdn_rule)
{
if (NULL == fqdn_rule) {
return;
}
assert(fqdn_rule->user_tag == NULL);
if (fqdn_rule->FQDN != NULL) {
FREE(fqdn_rule->FQDN);
}
FREE(fqdn_rule);
}
void *fqdn_plugin_runtime_new(void *fqdn_plugin_schema, size_t max_thread_num,
struct maat_garbage_bin *garbage_bin,
struct log_handle *logger)
{
if (NULL == fqdn_plugin_schema) {
return NULL;
}
struct fqdn_plugin_schema *schema = (struct fqdn_plugin_schema *)fqdn_plugin_schema;
struct fqdn_plugin_runtime *fqdn_plugin_rt = ALLOC(struct fqdn_plugin_runtime, 1);
fqdn_plugin_rt->ex_data_rt =
ex_data_runtime_new(schema->table_id, schema->gc_timeout_s, logger);
if (1 == schema->container_schema.set_flag) {
ex_data_runtime_set_ex_container_schema(fqdn_plugin_rt->ex_data_rt,
&(schema->container_schema));
}
fqdn_plugin_rt->n_worker_thread = max_thread_num;
fqdn_plugin_rt->ref_garbage_bin = garbage_bin;
fqdn_plugin_rt->logger = logger;
fqdn_plugin_rt->scan_times = alignment_int64_array_alloc(max_thread_num);
return fqdn_plugin_rt;
}
void fqdn_plugin_runtime_free(void *fqdn_plugin_runtime)
{
if (NULL == fqdn_plugin_runtime) {
return;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
if (fqdn_plugin_rt->engine != NULL) {
FQDN_engine_free(fqdn_plugin_rt->engine);
fqdn_plugin_rt->engine = NULL;
}
if (fqdn_plugin_rt->ex_data_rt != NULL) {
ex_data_runtime_free(fqdn_plugin_rt->ex_data_rt);
fqdn_plugin_rt->ex_data_rt = NULL;
}
if (fqdn_plugin_rt->scan_times != NULL) {
alignment_int64_array_free(fqdn_plugin_rt->scan_times);
fqdn_plugin_rt->scan_times = NULL;
}
FREE(fqdn_plugin_rt);
}
static int
fqdn_plugin_accept_tag_match(struct fqdn_plugin_schema *schema,
const char *table_name, const cJSON *json,
struct log_handle *logger)
{
size_t n_tag = table_manager_accept_tags_count(schema->ref_tbl_mgr);
cJSON *tmp_obj = NULL;
tmp_obj = cJSON_GetObjectItem(json, "effective_range");
if ((tmp_obj && cJSON_GetArraySize(tmp_obj) > 0) && n_tag > 0) {
char *tag_str = cJSON_Print(tmp_obj);
int ret = table_manager_accept_tags_match(schema->ref_tbl_mgr, tag_str);
FREE(tag_str);
if (TAG_MATCH_ERR == ret) {
char *json_str = cJSON_Print(json);
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> has invalid tag"
" format in line:%s", __FUNCTION__, __LINE__,
table_name, json_str);
FREE(json_str);
return TAG_MATCH_ERR;
}
if (TAG_MATCH_UNMATCHED == ret) {
char *json_str = cJSON_Print(json);
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> has unmatched tag"
" in line:%s", __FUNCTION__, __LINE__, table_name,
json_str);
FREE(json_str);
return TAG_MATCH_UNMATCHED;
}
}
return TAG_MATCH_MATCHED;
}
static struct FQDN_rule *
fqdn_plugin_rule_new(const cJSON *json, struct fqdn_plugin_schema *schema,
const char *table_name, struct log_handle *logger)
{
int ret = fqdn_plugin_accept_tag_match(schema, table_name, json, logger);
if (ret == TAG_MATCH_UNMATCHED) {
return NULL;
}
const char *fqdn = NULL;
size_t fqdn_len = 0;
struct FQDN_rule *fqdn_plugin_rule = ALLOC(struct FQDN_rule, 1);
cJSON *tmp_obj = NULL;
tmp_obj = cJSON_GetObjectItem(json, schema->key_name);
if (NULL == tmp_obj || tmp_obj->type != cJSON_String) {
char *json_str = cJSON_Print(json);
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> has no key_name or invalid format in line:%s",
__FUNCTION__, __LINE__, table_name, json_str);
FREE(json_str);
goto error;
}
uuid_parse(tmp_obj->valuestring, fqdn_plugin_rule->uuid);
tmp_obj = cJSON_GetObjectItem(json, "fqdn");
if (NULL == tmp_obj || tmp_obj->type != cJSON_String) {
char *json_str = cJSON_Print(json);
log_fatal(logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> has no fqdn in line:%s",
__FUNCTION__, __LINE__, table_name, json_str);
FREE(json_str);
goto error;
}
fqdn = tmp_obj->valuestring;
fqdn_len = strlen(fqdn);
if (fqdn[0] == '*') {
fqdn_plugin_rule->is_suffix_match = 1;
fqdn++;
fqdn_len--;
}
if (fqdn[0] == '.') {
fqdn++;
fqdn_len--;
}
if (fqdn[fqdn_len] == '/') {
fqdn_len--;
}
fqdn_plugin_rule->FQDN = ALLOC(char, fqdn_len + 1);
memcpy(fqdn_plugin_rule->FQDN, fqdn, fqdn_len);
fqdn_plugin_rule->len = fqdn_len;
return fqdn_plugin_rule;
error:
FREE(fqdn_plugin_rule);
return NULL;
}
static int
fqdn_plugin_runtime_update_row(struct fqdn_plugin_runtime *fqdn_plugin_rt,
const char *table_name, const char *row,
const char *key, size_t key_len,
struct FQDN_rule *fqdn_plugin_rule,
enum maat_operation op)
{
int ret = -1;
struct ex_data_runtime *ex_data_rt = fqdn_plugin_rt->ex_data_rt;
if (MAAT_OP_DEL == op) {
// delete
ret = ex_data_runtime_del_ex_container(ex_data_rt, key, key_len);
if (ret < 0) {
return -1;
}
} else {
// add
void *ex_data = ex_data_runtime_row2ex_data(ex_data_rt, table_name,
row, key, key_len);
struct ex_container *ex_container =
ex_container_new(ex_data, (void *)fqdn_plugin_rule);
ret = ex_data_runtime_add_ex_container(ex_data_rt, key, key_len,
ex_container);
if (ret < 0) {
log_debug(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"[%s:%d]fqdn_plugin table:<%s> add key failed, "
"key:%s", __FUNCTION__, __LINE__, table_name, key);
ex_container_free(ex_data_rt, ex_container);
//don't return failed, ignore the case of adding duplicate keys
}
}
return 0;
}
int fqdn_plugin_runtime_update(void *fqdn_plugin_runtime,
void *fqdn_plugin_schema,
const char *table_name,
const char *line,
enum maat_operation op)
{
if (NULL == fqdn_plugin_runtime || NULL == fqdn_plugin_schema ||
NULL == line) {
return -1;
}
struct FQDN_rule *fqdn_plugin_rule = NULL;
struct fqdn_plugin_schema *schema =
(struct fqdn_plugin_schema *)fqdn_plugin_schema;
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
int ret = 0;
cJSON *tmp_obj = NULL;
cJSON *json = cJSON_Parse(line);
if (NULL == json) {
log_fatal(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> line is not a json format, line: %s",
__FUNCTION__, __LINE__, table_name, line);
fqdn_plugin_rt->update_err_cnt++;
goto ERROR;
}
tmp_obj = cJSON_GetObjectItem(json, schema->key_name);
if (NULL == tmp_obj || tmp_obj->type != cJSON_String) {
log_fatal(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"[%s:%d] fqdn_plugin table:<%s> has no key_name or invalid format in line:%s",
__FUNCTION__, __LINE__, table_name, line);
fqdn_plugin_rt->update_err_cnt++;
goto ERROR;
}
if (1 == schema->container_schema.set_flag) {
if (MAAT_OP_ADD == op) {
// add
fqdn_plugin_rule = fqdn_plugin_rule_new(json, schema, table_name,
fqdn_plugin_rt->logger);
if (NULL == fqdn_plugin_rule) {
fqdn_plugin_rt->update_err_cnt++;
goto ERROR;
}
}
const char *key = tmp_obj->valuestring;
size_t key_len = strlen(key);
ret = fqdn_plugin_runtime_update_row(fqdn_plugin_rt, table_name, line,
key, key_len, fqdn_plugin_rule,
op);
if (ret < 0) {
log_fatal(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"[%s:%d]fqdn_plugin table:<%s> update one line failed, "
"line:%s", __FUNCTION__, __LINE__, table_name, line);
fqdn_plugin_rt->update_err_cnt++;
goto ERROR;
}
log_debug(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"fqdn_plugin table:<%s> update one line, key:%s, key_len:%zu,"
"maat_op:%d", table_name, key, key_len, op);
} else {
//ex_schema not set
ex_data_runtime_cache_row_put(fqdn_plugin_rt->ex_data_rt, line, op);
fqdn_plugin_rt->rule_num =
ex_data_runtime_cached_row_count(fqdn_plugin_rt->ex_data_rt);
}
cJSON_Delete(json);
return 0;
ERROR:
if (fqdn_plugin_rule != NULL) {
fqdn_rule_free(fqdn_plugin_rule);
}
if (json != NULL) {
cJSON_Delete(json);
}
return -1;
}
static void garbage_fqdn_engine_free(void *fqdn_engine, void *arg)
{
struct FQDN_engine *engine = (struct FQDN_engine *)fqdn_engine;
FQDN_engine_free(engine);
}
int fqdn_plugin_runtime_commit(void *fqdn_plugin_runtime,
const char *table_name,
long long maat_rt_version)
{
if (NULL == fqdn_plugin_runtime) {
return -1;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
struct ex_data_runtime *ex_data_rt = fqdn_plugin_rt->ex_data_rt;
if (NULL == ex_data_rt) {
return -1;
}
int updating_flag = ex_data_runtime_is_updating(ex_data_rt);
if (0 == updating_flag) {
return 0;
}
struct FQDN_rule *rules = NULL;
struct ex_container **ex_container = NULL;
size_t rule_cnt = ex_data_runtime_list_updating_ex_container(ex_data_rt,
&ex_container);
if (rule_cnt > 0) {
rules = ALLOC(struct FQDN_rule, rule_cnt);
for (size_t i = 0; i < rule_cnt; i++) {
rules[i] = *(struct FQDN_rule *)ex_container[i]->custom_data;
assert(rules[i].user_tag == ex_container[i] ||
rules[i].user_tag == NULL);
rules[i].user_tag = ex_container[i];
}
}
int ret = 0;
struct FQDN_engine *new_fqdn_engine = NULL;
struct FQDN_engine *old_fqdn_engine = NULL;
if (rule_cnt > 0) {
struct timespec start, end;
clock_gettime(CLOCK_MONOTONIC, &start);
new_fqdn_engine = FQDN_engine_new(rules, rule_cnt);
clock_gettime(CLOCK_MONOTONIC, &end);
long long time_elapse_ms = (end.tv_sec - start.tv_sec) * 1000 +
(end.tv_nsec - start.tv_nsec) / 1000000;
if (NULL == new_fqdn_engine) {
log_fatal(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"[%s:%d] table[%s] rebuild FQDN engine failed when update"
" %zu fqdn_plugin rules", __FUNCTION__, __LINE__, table_name,
rule_cnt);
ret = -1;
} else {
log_info(fqdn_plugin_rt->logger, MODULE_FQDN_PLUGIN,
"table[%s] commit %zu fqdn_plugin rules and rebuild"
" FQDN engine completed, version:%lld, consume:%lldms",
table_name, rule_cnt, maat_rt_version, time_elapse_ms);
}
}
old_fqdn_engine = fqdn_plugin_rt->engine;
fqdn_plugin_rt->engine = new_fqdn_engine;
ex_data_runtime_commit(ex_data_rt);
if (old_fqdn_engine != NULL) {
maat_garbage_bagging(fqdn_plugin_rt->ref_garbage_bin, old_fqdn_engine,
NULL, garbage_fqdn_engine_free);
}
fqdn_plugin_rt->rule_num = rule_cnt;
if (rules != NULL) {
FREE(rules);
}
if (ex_container != NULL) {
FREE(ex_container);
}
return ret;
}
long long fqdn_plugin_runtime_rule_count(void *fqdn_plugin_runtime)
{
if (NULL == fqdn_plugin_runtime) {
return 0;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
return fqdn_plugin_rt->rule_num;
}
struct ex_data_runtime *
fqdn_plugin_runtime_get_ex_data_rt(void *fqdn_plugin_runtime)
{
if (NULL == fqdn_plugin_runtime) {
return NULL;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
return fqdn_plugin_rt->ex_data_rt;
}
int fqdn_plugin_runtime_get_ex_data(void *fqdn_plugin_runtime,
const char *query_fqdn,
void **ex_data_array,
size_t n_ex_data)
{
if (NULL == fqdn_plugin_runtime || NULL == query_fqdn ||
NULL == ex_data_array || 0 == n_ex_data) {
return -1;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
if (0 == fqdn_plugin_rt->rule_num) {
return 0;
}
if (NULL == fqdn_plugin_rt->engine) {
return 0;
}
struct FQDN_match results[n_ex_data];
int n_result = FQDN_engine_search(fqdn_plugin_rt->engine, query_fqdn,
strlen(query_fqdn), results, n_ex_data);
for (int i = 0; i < n_result; i++) {
ex_data_array[i] =
ex_data_runtime_get_ex_data_by_container(fqdn_plugin_rt->ex_data_rt,
(struct ex_container *)results[i].user_tag);
}
return n_result;
}
long long fqdn_plugin_runtime_update_err_count(void *fqdn_plugin_runtime)
{
if (NULL == fqdn_plugin_runtime) {
return 0;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
return fqdn_plugin_rt->update_err_cnt;
}
void fqdn_plugin_runtime_scan_times_inc(void *fqdn_plugin_runtime, int thread_id)
{
if (NULL == fqdn_plugin_runtime || thread_id < 0) {
return;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
alignment_int64_array_add(fqdn_plugin_rt->scan_times, thread_id, 1);
}
long long fqdn_plugin_runtime_scan_times(void *fqdn_plugin_runtime)
{
if (NULL == fqdn_plugin_runtime) {
return 0;
}
struct fqdn_plugin_runtime *fqdn_plugin_rt =
(struct fqdn_plugin_runtime *)fqdn_plugin_runtime;
long long sum = alignment_int64_array_sum(fqdn_plugin_rt->scan_times,
fqdn_plugin_rt->n_worker_thread);
alignment_int64_array_reset(fqdn_plugin_rt->scan_times,
fqdn_plugin_rt->n_worker_thread);
return sum;
}