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/*
* Copyright (c) 2002-2012 Balabit
* Copyright (c) 1998-2012 Balázs Scheidler
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; 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 FILTER_H_INCLUDED
#define FILTER_H_INCLUDED
#include "syslog-ng.h"
#include "logpipe.h"
#include "stats/stats-registry.h"
struct _GlobalConfig;
typedef struct _FilterExprNode FilterExprNode;
struct _FilterExprNode
{
guint32 ref_cnt;
guint32 comp:1, /* this not is negated */
modify:1; /* this filter changes the log message */
const gchar *type;
gboolean (*init)(FilterExprNode *self, GlobalConfig *cfg);
gboolean (*eval)(FilterExprNode *self, LogMessage **msg, gint num_msg, LogTemplateEvalOptions *options);
FilterExprNode *(*clone)(FilterExprNode *self);
void (*free_fn)(FilterExprNode *self);
StatsCounterItem *matched;
StatsCounterItem *not_matched;
};
static inline gboolean
filter_expr_init(FilterExprNode *self, GlobalConfig *cfg)
{
if (self->init)
return self->init(self, cfg);
return TRUE;
}
gboolean filter_expr_eval(FilterExprNode *self, LogMessage *msg);
gboolean filter_expr_eval_with_context(FilterExprNode *self, LogMessage **msgs, gint num_msg,
LogTemplateEvalOptions *options);
gboolean filter_expr_eval_root(FilterExprNode *self, LogMessage **msg, const LogPathOptions *path_options);
gboolean filter_expr_eval_root_with_context(FilterExprNode *self, LogMessage **msgs, gint num_msg,
LogTemplateEvalOptions *options,
const LogPathOptions *path_options);
void filter_expr_node_init_instance(FilterExprNode *self);
void filter_expr_unref(FilterExprNode *self);
FilterExprNode *filter_expr_clone(FilterExprNode *self);
#endif
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