4 * Babeltrace CTF file system Reader Component
6 * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
8 * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
10 * Permission is hereby granted, free of charge, to any person obtaining a copy
11 * of this software and associated documentation files (the "Software"), to deal
12 * in the Software without restriction, including without limitation the rights
13 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
14 * copies of the Software, and to permit persons to whom the Software is
15 * furnished to do so, subject to the following conditions:
17 * The above copyright notice and this permission notice shall be included in
18 * all copies or substantial portions of the Software.
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
23 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
24 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
29 #include <babeltrace/plugin/plugin-system.h>
30 #include <babeltrace/plugin/notification/iterator.h>
36 static bool ctf_fs_debug
;
39 struct bt_notification
*ctf_fs_iterator_get(
40 struct bt_notification_iterator
*iterator
)
46 enum bt_notification_iterator_status
ctf_fs_iterator_next(
47 struct bt_notification_iterator
*iterator
)
49 return BT_NOTIFICATION_ITERATOR_STATUS_UNSUPPORTED
;
53 void ctf_fs_iterator_destroy_data(struct ctf_fs_iterator
*ctf_it
)
59 void ctf_fs_iterator_destroy(struct bt_notification_iterator
*it
)
61 void *data
= bt_notification_iterator_get_private_data(it
);
63 ctf_fs_iterator_destroy_data(data
);
67 enum bt_component_status
ctf_fs_iterator_init(struct bt_component
*source
,
68 struct bt_notification_iterator
*it
)
70 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
71 struct ctf_fs_iterator
*ctf_it
;
74 ctf_it
= g_new0(struct ctf_fs_iterator
, 1);
76 ret
= BT_COMPONENT_STATUS_NOMEM
;
80 ret
= bt_notification_iterator_set_get_cb(it
, ctf_fs_iterator_get
);
85 ret
= bt_notification_iterator_set_next_cb(it
, ctf_fs_iterator_next
);
90 ret
= bt_notification_iterator_set_destroy_cb(it
,
91 ctf_fs_iterator_destroy
);
96 ret
= bt_notification_iterator_set_private_data(it
, ctf_it
);
103 (void) bt_notification_iterator_set_private_data(it
, NULL
);
104 ctf_fs_iterator_destroy_data(ctf_it
);
109 void ctf_fs_destroy_data(struct ctf_fs_component
*component
)
111 if (component
->trace_path
) {
112 g_string_free(component
->trace_path
, TRUE
);
115 // ctf_fs_metadata_fini(&component->metadata);
116 // ctf_fs_data_stream_fini(&component->data_stream);
121 void ctf_fs_destroy(struct bt_component
*component
)
123 void *data
= bt_component_get_private_data(component
);
125 ctf_fs_destroy_data(data
);
129 struct ctf_fs_component
*ctf_fs_create(struct bt_value
*params
)
131 struct ctf_fs_component
*ctf_fs
;
132 struct bt_value
*value
;
134 enum bt_value_status ret
;
136 ctf_fs
= g_new0(struct ctf_fs_component
, 1);
141 /* FIXME: should probably look for a source URI */
142 value
= bt_value_map_get(params
, "path");
143 if (!value
|| bt_value_is_null(value
) || !bt_value_is_string(value
)) {
147 ret
= bt_value_string_get(value
, &path
);
148 if (ret
!= BT_VALUE_STATUS_OK
) {
152 ctf_fs
->trace_path
= g_string_new(path
);
153 if (!ctf_fs
->trace_path
) {
157 ctf_fs
->error_fp
= stderr
;
158 ctf_fs
->page_size
= (size_t) getpagesize();
163 ctf_fs_destroy_data(ctf_fs
);
168 enum bt_component_status
ctf_fs_init(struct bt_component
*source
,
169 struct bt_value
*params
)
171 struct ctf_fs_component
*ctf_fs
;
172 enum bt_component_status ret
= BT_COMPONENT_STATUS_OK
;
175 ctf_fs_debug
= g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
176 ctf_fs
= ctf_fs_create(params
);
178 ret
= BT_COMPONENT_STATUS_NOMEM
;
182 ret
= bt_component_set_destroy_cb(source
, ctf_fs_destroy
);
183 if (ret
!= BT_COMPONENT_STATUS_OK
) {
187 ret
= bt_component_set_private_data(source
, ctf_fs
);
188 if (ret
!= BT_COMPONENT_STATUS_OK
) {
192 ret
= bt_component_source_set_iterator_init_cb(source
,
193 ctf_fs_iterator_init
);
194 if (ret
!= BT_COMPONENT_STATUS_OK
) {
200 (void) bt_component_set_private_data(source
, NULL
);
201 ctf_fs_destroy_data(ctf_fs
);