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/*
* Copyright (c) 2002-2013, 2015 Balabit
* Copyright (c) 1998-2013, 2015 Balázs Scheidler
*
* 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_CORRELATION_CONTEXT_H_INCLUDED
#define CORRELATION_CORRELATION_CONTEXT_H_INCLUDED
#include "syslog-ng.h"
#include "correlation-key.h"
#include "timerwheel.h"
#include "logmsg/logmsg.h"
#include "template/templates.h"
/* This class encapsulates a correlation context, keyed by CorrelationKey, type == PSK_RULE. */
typedef struct _CorrelationContext CorrelationContext;
struct _CorrelationContext
{
/* key in the hashtable. */
CorrelationKey key;
/* timeout timer */
TWEntry *timer;
/* messages belonging to this context */
GPtrArray *messages;
gint ref_cnt;
void (*clear)(CorrelationContext *s);
void (*free_fn)(CorrelationContext *s);
};
static inline LogMessage *
correlation_context_get_last_message(CorrelationContext *self)
{
g_assert(self->messages->len > 0);
return (LogMessage *) g_ptr_array_index(self->messages, self->messages->len - 1);
}
static inline void
correlation_context_clear(CorrelationContext *self)
{
self->clear(self);
}
void correlation_context_init(CorrelationContext *self, const CorrelationKey *key);
void correlation_context_clear_method(CorrelationContext *self);
void correlation_context_free_method(CorrelationContext *self);
void correlation_context_sort(CorrelationContext *self, LogTemplate *sort_key);
CorrelationContext *correlation_context_new(CorrelationKey *key);
CorrelationContext *correlation_context_ref(CorrelationContext *self);
void correlation_context_unref(CorrelationContext *self);
#endif
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