ntopng/include/MySQLDB.h
Luca b350ecc7d9 Minor rework in periodic scripts
Reworked aggregated DB dump
2017-11-12 12:10:20 +01:00

76 lines
2.6 KiB
C++

/*
*
* (C) 2013-17 - ntop.org
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
#ifndef _MYSQL_DB_CLASS_H_
#define _MYSQL_DB_CLASS_H_
#include "ntop_includes.h"
class MySQLDB : public DB {
protected:
MYSQL mysql;
bool db_operational;
struct timeval lastUpdateTime;
u_int32_t mysqlDroppedFlows;
u_int64_t mysqlExportedFlows, mysqlLastExportedFlows;
float mysqlExportRate;
u_int64_t checkpointDroppedFlows, checkpointExportedFlows; /* Those will hold counters at checkpoints */
static volatile bool db_created;
pthread_t queryThreadLoop;
bool connectToDB(MYSQL *conn, bool select_db);
char* get_last_db_error(MYSQL *conn) { return((char*)mysql_error(conn)); }
int exec_sql_query(MYSQL *conn, const char *sql, bool doReconnect = true,
bool ignoreErrors = false, bool doLock = true);
public:
MySQLDB(NetworkInterface *_iface);
virtual ~MySQLDB();
virtual void* queryLoop();
virtual bool createDBSchema(bool set_db_created = true);
virtual bool createNprobeDBView();
void disconnectFromDB(MYSQL *conn);
static volatile bool isDbCreated() { return db_created; };
void checkPointCounters(bool drops_only) {
if(!drops_only)
checkpointExportedFlows = mysqlExportedFlows;
checkpointDroppedFlows = mysqlDroppedFlows;
};
inline u_int32_t numDroppedFlows() const { return mysqlDroppedFlows; };
inline float exportRate() const { return mysqlExportRate; };
static char *escapeAphostrophes(const char *unescaped);
int flow2InsertValues(Flow *f, char *json, char *values_buf, size_t values_buf_len) const;
virtual bool dumpFlow(time_t when, Flow *f, char *json);
virtual void flush() { ; };
int exec_sql_query(lua_State *vm, char *sql, bool limitRows, bool wait_for_db_created = true);
void startDBLoop();
void updateStats(const struct timeval *tv);
void lua(lua_State* vm, bool since_last_checkpoint) const;
#ifdef NTOPNG_PRO
bool dumpAggregatedFlow(AggregatedFlow *f) { return(false); };
#endif
};
#endif /* _MYSQL_DB_CLASS_H_ */