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/*
* Copyright (c) 2015 BalaBit
* Copyright (c) 2023 Balazs Scheidler <bazsi77@gmail.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#ifndef CORRELATION_GROUPING_PARSER_H_INCLUDED
#define CORRELATION_GROUPING_PARSER_H_INCLUDED
#include "stateful-parser.h"
#include "correlation.h"
#include <iv.h>
typedef struct _GroupingParser GroupingParser;
typedef enum
{
GP_CONTEXT_UPDATED,
GP_CONTEXT_COMPLETE,
GP_STARTS_NEW_CONTEXT,
} GroupingParserUpdateContextResult;
struct _GroupingParser
{
StatefulParser super;
struct iv_timer tick;
CorrelationState *correlation;
LogTemplate *key_template;
LogTemplate *sort_key_template;
gint timeout;
CorrelationScope scope;
gboolean (*filter_messages)(GroupingParser *self, LogMessage **pmsg, const LogPathOptions *path_options);
CorrelationContext *(*construct_context)(GroupingParser *self, CorrelationKey *key);
GroupingParserUpdateContextResult (*update_context)(GroupingParser *self, CorrelationContext *context, LogMessage *msg);
LogMessage *(*aggregate_context)(GroupingParser *self, CorrelationContext *context);
};
static inline gboolean
grouping_parser_filter_messages(GroupingParser *self, LogMessage **pmsg, const LogPathOptions *path_options)
{
if (self->filter_messages)
return self->filter_messages(self, pmsg, path_options);
return TRUE;
}
static inline CorrelationContext *
grouping_parser_construct_context(GroupingParser *self, CorrelationKey *key)
{
if (self->construct_context)
return self->construct_context(self, key);
return correlation_context_new(key);
}
static inline gboolean
grouping_parser_update_context(GroupingParser *self, CorrelationContext *context, LogMessage *msg)
{
return self->update_context(self, context, msg);
}
LogMessage *grouping_parser_aggregate_context(GroupingParser *self, CorrelationContext *context);
void grouping_parser_set_key_template(LogParser *s, LogTemplate *key_template);
void grouping_parser_set_sort_key_template(LogParser *s, LogTemplate *sort_key);
void grouping_parser_set_scope(LogParser *s, CorrelationScope scope);
void grouping_parser_set_timeout(LogParser *s, gint timeout);
void grouping_parser_clone_settings(GroupingParser *self, GroupingParser *cloned);
CorrelationContext *grouping_parser_lookup_or_create_context(GroupingParser *self, LogMessage *msg);
void grouping_parser_perform_grouping(GroupingParser *s, LogMessage *msg,
StatefulParserEmittedMessages *emitted_mesages);
gboolean
grouping_parser_process_method(LogParser *s,
LogMessage **pmsg, const LogPathOptions *path_options,
const char *input, gsize input_len);
gboolean grouping_parser_init_method(LogPipe *s);
gboolean grouping_parser_deinit_method(LogPipe *s);
void grouping_parser_free_method(LogPipe *s);
void grouping_parser_init_instance(GroupingParser *self, GlobalConfig *cfg);
void grouping_parser_global_init(void);
#endif
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