1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* 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_SCOPE_H_INCLUDED
#define FILTERX_SCOPE_H_INCLUDED
#include "filterx-object.h"
#include "logmsg/logmsg.h"
typedef struct _FilterXVariable FilterXVariable;
typedef guint32 FilterXVariableHandle;
typedef enum
{
FX_VAR_MESSAGE,
FX_VAR_FLOATING,
FX_VAR_DECLARED,
} FilterXVariableType;
gboolean filterx_variable_is_floating(FilterXVariable *v);
gboolean filterx_variable_handle_is_floating(FilterXVariableHandle handle);
FilterXObject *filterx_variable_get_value(FilterXVariable *v);
void filterx_variable_set_value(FilterXVariable *v, FilterXObject *new_value);
void filterx_variable_unset_value(FilterXVariable *v);
gboolean filterx_variable_is_set(FilterXVariable *v);
/*
* FilterXScope represents variables in a filterx scope.
*
* Variables are either tied to a LogMessage (when we are caching
* demarshalled values in the scope) or are values that are "floating", e.g.
* not yet tied to any values in the underlying LogMessage.
*
* Floating values are "temp" values that are not synced to the LogMessage
* upon the exit from the scope.
*
*/
typedef struct _FilterXScope FilterXScope;
void filterx_scope_set_dirty(FilterXScope *self);
gboolean filterx_scope_is_dirty(FilterXScope *self);
void filterx_scope_sync(FilterXScope *self, LogMessage *msg);
FilterXVariableHandle filterx_scope_map_variable_to_handle(const gchar *name, FilterXVariableType type);
FilterXVariable *filterx_scope_lookup_variable(FilterXScope *self, FilterXVariableHandle handle);
FilterXVariable *filterx_scope_register_variable(FilterXScope *self,
FilterXVariableHandle handle,
FilterXObject *initial_value);
FilterXVariable *filterx_scope_register_declared_variable(FilterXScope *self,
FilterXVariableHandle handle,
FilterXObject *initial_value);
/* copy on write */
void filterx_scope_write_protect(FilterXScope *self);
FilterXScope *filterx_scope_make_writable(FilterXScope **pself);
FilterXScope *filterx_scope_new(void);
FilterXScope *filterx_scope_ref(FilterXScope *self);
void filterx_scope_unref(FilterXScope *self);
#endif
|
