mirror of
https://github.com/ntop/ntopng.git
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88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
/*
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*
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* (C) 2013-25 - 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 _DB_CLASS_H_
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#define _DB_CLASS_H_
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#include "ntop_includes.h"
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typedef int db_result_row_callback(std::vector<std::string> *row, std::vector<std::string> *columns, void *user_data);
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class DB {
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private:
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struct timeval lastUpdateTime;
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float exportRate;
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u_int64_t exportedFlows, lastExportedFlows;
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/* Multiple threads can inc in case of view interfaces */
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std::atomic<u_int32_t> droppedFlows;
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std::atomic<u_int32_t> queueDroppedFlows;
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u_int64_t checkpointExportedFlows;
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u_int32_t checkpointDroppedFlows, checkpointQueueDroppedFlows;
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protected:
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bool running;
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NetworkInterface *iface;
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public:
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DB(NetworkInterface *_iface);
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virtual ~DB(){};
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/* Failures enqueueing flows for export (NetworkInterface) */
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inline void incNumQueueDroppedFlows(u_int32_t num = 1) { queueDroppedFlows += num; };
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/* Failures dumping flows to the database (ClickHouseDB) */
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inline void incNumDroppedFlows(u_int32_t num = 1) { droppedFlows += num; };
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/* Flows successfully dumped */
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inline void incNumExportedFlows(u_int64_t num = 1) { exportedFlows += num; };
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inline u_int64_t getNumExportedFlows() const { return (exportedFlows); }
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inline u_int32_t getNumDroppedFlows() const { return (queueDroppedFlows + droppedFlows); };
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void updateStats(const struct timeval *tv);
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void checkPointCounters(bool drops_only);
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virtual const char *getEngineName() { return "Unknown"; };
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virtual bool dumpFlow(time_t when, Flow *f, char *json) { return false; };
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virtual bool startDumpLoop() { return false; }
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virtual int execSQLQuery(const char *sql,
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bool doReconnect = true, bool ignoreErrors = false,
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db_result_row_callback *cb = NULL, void *cb_user_data = NULL) {
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return (-1);
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}
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virtual int execSQLQuery(lua_State *vm, const char *sql,
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bool limitRows, bool wait_for_db_created) {
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return (-1);
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}
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virtual void archiveData(time_t epoch_begin, time_t epoch_end) {}
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inline void startDBLoop() { if (startDumpLoop()) running = true; };
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inline int isRunning() { return (running); };
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virtual bool isDbCreated() { return (true); };
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virtual void shutdown();
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virtual void flush() {};
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virtual void lua(lua_State *vm, bool since_last_checkpoint);
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virtual void checkIdle(time_t when) { ; }
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virtual void getStats(u_int64_t *flow_export_count, u_int64_t *flow_export_drops,
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u_int64_t *flow_export_rate, bool since_last_checkpoint);
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};
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#endif /* _DB_CLASS_H_ */
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