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/*
*
* (C) 2020 - 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 _TS_EXPORTER_H_
#define _TS_EXPORTER_H_
#include "ntop_includes.h"
class TimeseriesExporter {
private:
static bool is_table_empty(lua_State *L, int index);
static int line_protocol_concat_table_fields(lua_State *L, int index, char *buf, int buf_len,
int (*escape_fn)(char *outbuf, int outlen, const char *orig));
protected:
NetworkInterface *iface;
static int escape_spaces(char *buf, int buf_len, const char *unescaped);
public:
TimeseriesExporter(NetworkInterface *_if);
virtual ~TimeseriesExporter();
static int line_protocol_write_line(lua_State* vm, char *dst_line, int dst_line_len,
int (*escape_fn)(char *outbuf, int outlen, const char *orig));
virtual bool enqueueData(lua_State* vm, bool do_lock = true) = 0;
virtual char* dequeueData() = 0;
virtual u_int64_t queueLength() const { return 0; };
virtual void flush() = 0;
};
#endif /* _TS_EXPORTER_H_ */
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