Add support for plugins written in Python
[babeltrace.git] / include / babeltrace / plugin / plugin-internal.h
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1#ifndef BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H
2#define BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H
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3
4/*
5 * BabelTrace - Plug-in Internal
6 *
7 * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 *
9 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a copy
12 * of this software and associated documentation files (the "Software"), to deal
13 * in the Software without restriction, including without limitation the rights
14 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
15 * copies of the Software, and to permit persons to whom the Software is
16 * furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included in
19 * all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
24 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * SOFTWARE.
28 */
29
30#include <babeltrace/babeltrace-internal.h>
33b34c43 31#include <babeltrace/plugin/plugin-dev.h>
b8a06801 32#include <babeltrace/object-internal.h>
33b34c43 33#include <stdbool.h>
55bb57e0 34#include <glib.h>
fb2dcc52 35
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36enum bt_plugin_type {
37 BT_PLUGIN_TYPE_SO = 0,
38 BT_PLUGIN_TYPE_PYTHON = 1,
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39};
40
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41struct bt_plugin {
42 struct bt_object base;
55bb57e0 43 enum bt_plugin_type type;
33b34c43 44 bool frozen;
cba174d5 45
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46 /* Array of pointers to bt_component_class (owned by this) */
47 GPtrArray *comp_classes;
6ba0b073 48
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49 /* Info (owned by this) */
50 struct {
51 GString *path;
52 GString *name;
53 GString *author;
54 GString *license;
55 GString *description;
56 struct {
57 unsigned int major;
58 unsigned int minor;
59 unsigned int patch;
60 GString *extra;
61 } version;
62 bool path_set;
63 bool name_set;
64 bool author_set;
65 bool license_set;
66 bool description_set;
67 bool version_set;
68 } info;
69
70 /* Value depends on the specific plugin type */
71 void *spec_data;
33b34c43 72};
fb2dcc52 73
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74BT_HIDDEN
75struct bt_plugin *bt_plugin_create_empty(enum bt_plugin_type type);
76
77static inline
78void bt_plugin_set_path(struct bt_plugin *plugin, const char *path)
79{
80 assert(plugin);
81 assert(path);
82 g_string_assign(plugin->info.path, path);
83 plugin->info.path_set = true;
84}
85
86static inline
87void bt_plugin_set_name(struct bt_plugin *plugin, const char *name)
88{
89 assert(plugin);
90 assert(name);
91 g_string_assign(plugin->info.name, name);
92 plugin->info.name_set = true;
93}
94
95static inline
96void bt_plugin_set_description(struct bt_plugin *plugin,
97 const char *description)
98{
99 assert(plugin);
100 assert(description);
101 g_string_assign(plugin->info.description, description);
102 plugin->info.description_set = true;
103}
104
105static inline
106void bt_plugin_set_author(struct bt_plugin *plugin, const char *author)
107{
108 assert(plugin);
109 assert(author);
110 g_string_assign(plugin->info.author, author);
111 plugin->info.author_set = true;
112}
113
114static inline
115void bt_plugin_set_license(struct bt_plugin *plugin, const char *license)
116{
117 assert(plugin);
118 assert(license);
119 g_string_assign(plugin->info.license, license);
120 plugin->info.license_set = true;
121}
122
123static inline
124void bt_plugin_set_version(struct bt_plugin *plugin, unsigned int major,
125 unsigned int minor, unsigned int patch, const char *extra)
126{
127 assert(plugin);
128 plugin->info.version.major = major;
129 plugin->info.version.minor = minor;
130 plugin->info.version.patch = patch;
131
132 if (extra) {
133 g_string_assign(plugin->info.version.extra, extra);
134 }
135
136 plugin->info.version_set = true;
137}
138
139static inline
140void bt_plugin_freeze(struct bt_plugin *plugin)
141{
142 assert(plugin);
143 plugin->frozen = true;
144}
145
33b34c43 146#endif /* BABELTRACE_PLUGIN_PLUGIN_INTERNAL_H */
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