mirror of
https://github.com/ntop/ntopng.git
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87 lines
3.7 KiB
C++
87 lines
3.7 KiB
C++
/*
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*
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* (C) 2013-20 - ntop.org
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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#ifndef _ALERTS_MANAGER_H_
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#define _ALERTS_MANAGER_H_
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#include "ntop_includes.h"
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class Flow;
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class AlertsManager : public StoreManager {
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private:
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char queue_name[CONST_MAX_LEN_REDIS_KEY];
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bool store_opened, store_initialized;
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int openStore();
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/* methods used for alerts that have a timespan */
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void markForMakeRoom(bool on_flows);
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/* methods used to retrieve alerts and counters with possible sql clause to filter */
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int queryAlertsRaw(lua_State *vm, const char *selection, const char *filter,
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const char *allowed_nets_filter, const char *group_by,
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const char *table_name, bool ignore_disabled);
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/* private methods to check the goodness of submitted inputs and possible return the input database string */
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bool isValidHost(Host *h, char *host_string, size_t host_string_len);
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bool isValidFlow(Flow *f);
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bool isValidNetwork(const char *cidr);
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bool isValidInterface(NetworkInterface *n);
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/* Methods to handle caching for alerts (to avoid putting high pressure on sqlite) */
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static char *getAlertCacheKey(int ifid, AlertType alert_type, const char *subtype, int granularity,
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AlertEntity alert_entity, const char *alert_entity_value, AlertLevel alert_severity);
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static bool isCached(int ifid, AlertType alert_type, const char *subtype, int granularity,
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AlertEntity alert_entity, const char *alert_entity_value, AlertLevel alert_severity,
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u_int64_t *cached_rowid);
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static void cache(int ifid, AlertType alert_type, const char *subtype, int granularity,
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AlertEntity alert_entity, const char *alert_entity_value, AlertLevel alert_severity,
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u_int64_t rowid);
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public:
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AlertsManager(int interface_id, const char *db_filename);
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~AlertsManager();
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int storeAlert(time_t tstart, time_t tend, int granularity,
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AlertType alert_type, const char *subtype,
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AlertLevel alert_severity, AlertEntity alert_entity,
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const char *alert_entity_value,
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const char *alert_json, bool *new_alert, u_int64_t *rowid,
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bool ignore_disabled = false, bool check_maximum = true);
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int storeFlowAlert(lua_State *L, int index, u_int64_t *rowid);
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static void buildSqliteAllowedNetworksFilters(lua_State *vm);
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static int parseEntityValueIp(const char *alert_entity_value, struct in6_addr *ip_raw);
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bool hasAlerts();
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inline int queryAlertsRaw(lua_State *vm, const char *selection, const char *filter,
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const char *allowed_nets_filter, const char *group_by, bool ignore_disabled) {
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return queryAlertsRaw(vm, selection, filter, allowed_nets_filter, group_by, ALERTS_MANAGER_TABLE_NAME, ignore_disabled);
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};
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inline int queryFlowAlertsRaw(lua_State *vm, const char *selection, const char *filter,
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const char *allowed_nets_filter, const char *group_by, bool ignore_disabled) {
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return queryAlertsRaw(vm, selection, filter, allowed_nets_filter, group_by, ALERTS_MANAGER_FLOWS_TABLE_NAME, ignore_disabled);
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};
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};
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#endif /* _ALERTS_MANAGER_H_ */
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