4 * Babeltrace Copy Trace Structure
6 * Copyright 2017 Julien Desfossez <jdesfossez@efficios.com>
8 * Author: Julien Desfossez <jdesfossez@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/ctf-ir/event.h>
30 #include <babeltrace/ctf-ir/packet.h>
31 #include <babeltrace/ctf-ir/event-class.h>
32 #include <babeltrace/ctf-ir/stream.h>
33 #include <babeltrace/ctf-ir/stream-class.h>
34 #include <babeltrace/ctf-ir/clock-class.h>
35 #include <babeltrace/ctf-ir/fields.h>
36 #include <babeltrace/ctf-writer/stream-class.h>
37 #include <babeltrace/ctf-writer/stream.h>
39 #include <ctfcopytrace.h>
43 struct bt_ctf_packet
*lookup_packet(struct trimmer_iterator
*trim_it
,
44 struct bt_ctf_packet
*packet
)
46 return (struct bt_ctf_packet
*) g_hash_table_lookup(
52 struct bt_ctf_packet
*insert_new_packet(struct trimmer_iterator
*trim_it
,
53 struct bt_ctf_packet
*packet
,
54 struct bt_ctf_stream
*stream
)
56 struct bt_ctf_packet
*writer_packet
= NULL
;
59 writer_packet
= bt_ctf_packet_create(stream
);
61 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
66 ret
= ctf_packet_copy_header(trim_it
->err
, packet
, writer_packet
);
68 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
73 g_hash_table_insert(trim_it
->packet_map
, (gpointer
) packet
,
78 BT_PUT(writer_packet
);
84 enum bt_component_status
update_packet_context_field(FILE *err
,
85 struct bt_ctf_packet
*writer_packet
,
86 const char *name
, int64_t value
)
88 enum bt_component_status ret
;
89 struct bt_ctf_field
*packet_context
= NULL
, *writer_packet_context
= NULL
;
90 struct bt_ctf_field_type
*struct_type
= NULL
, *field_type
= NULL
;
91 struct bt_ctf_field
*field
= NULL
, *writer_field
= NULL
;
92 int nr_fields
, i
, int_ret
;
94 packet_context
= bt_ctf_packet_get_context(writer_packet
);
95 if (!packet_context
) {
96 fprintf(err
, "[error] %s in %s:%d\n", __func__
, __FILE__
,
101 struct_type
= bt_ctf_field_get_type(packet_context
);
103 fprintf(err
, "[error] %s in %s:%d\n", __func__
, __FILE__
,
108 writer_packet_context
= bt_ctf_packet_get_context(writer_packet
);
109 if (!writer_packet_context
) {
110 fprintf(err
, "[error] %s in %s:%d\n", __func__
, __FILE__
,
115 nr_fields
= bt_ctf_field_type_structure_get_field_count(struct_type
);
116 for (i
= 0; i
< nr_fields
; i
++) {
117 const char *field_name
;
119 field
= bt_ctf_field_structure_get_field_by_index(
122 fprintf(err
, "[error] %s in %s:%d\n", __func__
,
126 if (bt_ctf_field_type_structure_get_field(struct_type
,
127 &field_name
, &field_type
, i
) < 0) {
128 fprintf(err
, "[error] %s in %s:%d\n", __func__
,
132 if (strcmp(field_name
, name
)) {
137 if (bt_ctf_field_type_get_type_id(field_type
) != BT_CTF_FIELD_TYPE_ID_INTEGER
) {
138 fprintf(err
, "[error] Unexpected packet context field type\n");
141 writer_field
= bt_ctf_field_structure_get_field(writer_packet_context
,
144 fprintf(err
, "[error] %s in %s:%d\n", __func__
, __FILE__
,
149 int_ret
= bt_ctf_field_unsigned_integer_set_value(writer_field
, value
);
151 fprintf(err
, "[error] %s in %s:%d\n", __func__
, __FILE__
,
155 BT_PUT(writer_field
);
160 ret
= BT_COMPONENT_STATUS_OK
;
164 bt_put(writer_field
);
167 ret
= BT_COMPONENT_STATUS_ERROR
;
170 bt_put(packet_context
);
175 struct bt_ctf_packet
*trimmer_new_packet(
176 struct trimmer_iterator
*trim_it
,
177 struct bt_ctf_packet
*packet
)
179 struct bt_ctf_stream
*stream
= NULL
;
180 struct bt_ctf_packet
*writer_packet
= NULL
;
183 stream
= bt_ctf_packet_get_stream(packet
);
185 fprintf(trim_it
->err
, "[error] %s in %s:%d\n",
186 __func__
, __FILE__
, __LINE__
);
191 * If a packet was already opened, close it and remove it from
194 writer_packet
= lookup_packet(trim_it
, packet
);
196 g_hash_table_remove(trim_it
->packet_map
, packet
);
197 BT_PUT(writer_packet
);
200 writer_packet
= insert_new_packet(trim_it
, packet
, stream
);
201 if (!writer_packet
) {
202 fprintf(trim_it
->err
, "[error] %s in %s:%d\n",
203 __func__
, __FILE__
, __LINE__
);
206 bt_get(writer_packet
);
208 int_ret
= ctf_packet_copy_context(trim_it
->err
, packet
,
209 stream
, writer_packet
);
211 fprintf(trim_it
->err
, "[error] %s in %s:%d\n",
212 __func__
, __FILE__
, __LINE__
);
219 BT_PUT(writer_packet
);
222 return writer_packet
;
226 struct bt_ctf_packet
*trimmer_close_packet(
227 struct trimmer_iterator
*trim_it
,
228 struct bt_ctf_packet
*packet
)
230 struct bt_ctf_packet
*writer_packet
= NULL
;
232 writer_packet
= lookup_packet(trim_it
, packet
);
233 if (!writer_packet
) {
234 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
239 g_hash_table_remove(trim_it
->packet_map
, packet
);
242 return writer_packet
;
246 struct bt_ctf_event
*trimmer_output_event(
247 struct trimmer_iterator
*trim_it
,
248 struct bt_ctf_event
*event
)
250 struct bt_ctf_event_class
*event_class
= NULL
;
251 struct bt_ctf_event
*writer_event
= NULL
;
252 struct bt_ctf_packet
*packet
= NULL
, *writer_packet
= NULL
;
253 const char *event_name
;
256 event_class
= bt_ctf_event_get_class(event
);
258 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
263 event_name
= bt_ctf_event_class_get_name(event_class
);
265 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
270 writer_event
= ctf_copy_event(trim_it
->err
, event
, event_class
, false);
272 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
274 fprintf(trim_it
->err
, "[error] Failed to copy event %s\n",
275 bt_ctf_event_class_get_name(event_class
));
279 packet
= bt_ctf_event_get_packet(event
);
281 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
286 writer_packet
= lookup_packet(trim_it
, packet
);
287 if (!writer_packet
) {
288 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
292 bt_get(writer_packet
);
294 int_ret
= bt_ctf_event_set_packet(writer_event
, writer_packet
);
296 fprintf(trim_it
->err
, "[error] %s in %s:%d\n", __func__
,
298 fprintf(trim_it
->err
, "[error] Failed to append event %s\n",
299 bt_ctf_event_class_get_name(event_class
));
303 /* We keep the reference on the writer_event to create a notification. */
307 BT_PUT(writer_event
);
309 bt_put(writer_packet
);