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/*
* Copyright (c) 2023 Balazs Scheidler <balazs.scheidler@axoflow.com>
*
* 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 FILTERX_EVAL_H_INCLUDED
#define FILTERX_EVAL_H_INCLUDED
#include "filterx/filterx-scope.h"
#include "filterx/filterx-expr.h"
#include "template/eval.h"
typedef struct _FilterXError
{
const gchar *message;
FilterXExpr *expr;
FilterXObject *object;
} FilterXError;
typedef struct _FilterXEvalContext FilterXEvalContext;
struct _FilterXEvalContext
{
LogMessage **msgs;
gint num_msg;
FilterXScope *scope;
FilterXError error;
LogTemplateEvalOptions template_eval_options;
GPtrArray *weak_refs;
FilterXEvalContext *previous_context;
};
FilterXEvalContext *filterx_eval_get_context(void);
FilterXScope *filterx_eval_get_scope(void);
void filterx_eval_push_error(const gchar *message, FilterXExpr *expr, FilterXObject *object);
void filterx_eval_set_context(FilterXEvalContext *context);
gboolean filterx_eval_exec_statements(FilterXEvalContext *context, GList *statements, LogMessage *msg);
void filterx_eval_sync_scope_and_message(FilterXScope *scope, LogMessage *msg);
const gchar *filterx_eval_get_last_error(void);
void filterx_eval_clear_errors(void);
void filterx_eval_store_weak_ref(FilterXObject *object);
void filterx_eval_init_context(FilterXEvalContext *context, FilterXEvalContext *previous_context);
void filterx_eval_deinit_context(FilterXEvalContext *context);
static inline void
filterx_eval_sync_message(FilterXEvalContext *context, LogMessage **pmsg, const LogPathOptions *path_options)
{
if (!context)
return;
if (!filterx_scope_is_dirty(context->scope))
return;
log_msg_make_writable(pmsg, path_options);
filterx_scope_sync(context->scope, *pmsg);
}
static inline void
filterx_eval_prepare_for_fork(FilterXEvalContext *context, LogMessage **pmsg, const LogPathOptions *path_options)
{
filterx_eval_sync_message(context, pmsg, path_options);
if (context)
filterx_scope_write_protect(context->scope);
}
#endif
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