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19ce87a4 JD |
1 | /* |
2 | * copy.c | |
3 | * | |
4 | * Babeltrace Copy Trace Structure | |
5 | * | |
6 | * Copyright 2017 Julien Desfossez <jdesfossez@efficios.com> | |
7 | * | |
8 | * Author: Julien Desfossez <jdesfossez@efficios.com> | |
9 | * | |
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: | |
16 | * | |
17 | * The above copyright notice and this permission notice shall be included in | |
18 | * all copies or substantial portions of the Software. | |
19 | * | |
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 | |
26 | * SOFTWARE. | |
27 | */ | |
28 | ||
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> | |
38 | ||
39 | #include <ctfcopytrace.h> | |
40 | #include "iterator.h" | |
41 | ||
42 | static | |
43 | struct bt_ctf_packet *lookup_packet(struct trimmer_iterator *trim_it, | |
44 | struct bt_ctf_packet *packet) | |
45 | { | |
46 | return (struct bt_ctf_packet *) g_hash_table_lookup( | |
47 | trim_it->packet_map, | |
48 | (gpointer) packet); | |
49 | } | |
50 | ||
51 | static | |
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) | |
55 | { | |
9ae49d3d | 56 | struct bt_ctf_packet *writer_packet = NULL; |
c8cb4c2a | 57 | int ret; |
19ce87a4 JD |
58 | |
59 | writer_packet = bt_ctf_packet_create(stream); | |
60 | if (!writer_packet) { | |
61 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
62 | __FILE__, __LINE__); | |
c8cb4c2a | 63 | goto error; |
19ce87a4 | 64 | } |
19ce87a4 | 65 | |
c8cb4c2a JD |
66 | ret = ctf_packet_copy_header(trim_it->err, packet, writer_packet); |
67 | if (ret) { | |
68 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
69 | __FILE__, __LINE__); | |
70 | goto error; | |
71 | } | |
72 | ||
73 | g_hash_table_insert(trim_it->packet_map, (gpointer) packet, | |
74 | writer_packet); | |
75 | goto end; | |
76 | ||
77 | error: | |
78 | BT_PUT(writer_packet); | |
19ce87a4 JD |
79 | end: |
80 | return writer_packet; | |
81 | } | |
82 | ||
83 | BT_HIDDEN | |
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) | |
87 | { | |
88 | enum bt_component_status ret; | |
9ae49d3d JD |
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; | |
19ce87a4 JD |
92 | int nr_fields, i, int_ret; |
93 | ||
94 | packet_context = bt_ctf_packet_get_context(writer_packet); | |
95 | if (!packet_context) { | |
19ce87a4 JD |
96 | fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, |
97 | __LINE__); | |
9ae49d3d | 98 | goto error; |
19ce87a4 JD |
99 | } |
100 | ||
101 | struct_type = bt_ctf_field_get_type(packet_context); | |
102 | if (!struct_type) { | |
19ce87a4 JD |
103 | fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, |
104 | __LINE__); | |
9ae49d3d | 105 | goto error; |
19ce87a4 JD |
106 | } |
107 | ||
108 | writer_packet_context = bt_ctf_packet_get_context(writer_packet); | |
109 | if (!writer_packet_context) { | |
19ce87a4 JD |
110 | fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, |
111 | __LINE__); | |
9ae49d3d | 112 | goto error; |
19ce87a4 JD |
113 | } |
114 | ||
115 | nr_fields = bt_ctf_field_type_structure_get_field_count(struct_type); | |
116 | for (i = 0; i < nr_fields; i++) { | |
19ce87a4 JD |
117 | const char *field_name; |
118 | ||
119 | field = bt_ctf_field_structure_get_field_by_index( | |
120 | packet_context, i); | |
121 | if (!field) { | |
19ce87a4 JD |
122 | fprintf(err, "[error] %s in %s:%d\n", __func__, |
123 | __FILE__, __LINE__); | |
9ae49d3d | 124 | goto error; |
19ce87a4 JD |
125 | } |
126 | if (bt_ctf_field_type_structure_get_field(struct_type, | |
127 | &field_name, &field_type, i) < 0) { | |
19ce87a4 JD |
128 | fprintf(err, "[error] %s in %s:%d\n", __func__, |
129 | __FILE__, __LINE__); | |
9ae49d3d | 130 | goto error; |
19ce87a4 JD |
131 | } |
132 | if (strcmp(field_name, name)) { | |
9ae49d3d JD |
133 | BT_PUT(field_type); |
134 | BT_PUT(field); | |
19ce87a4 JD |
135 | continue; |
136 | } | |
1487a16a | 137 | if (bt_ctf_field_type_get_type_id(field_type) != BT_CTF_FIELD_TYPE_ID_INTEGER) { |
19ce87a4 | 138 | fprintf(err, "[error] Unexpected packet context field type\n"); |
9ae49d3d | 139 | goto error; |
19ce87a4 JD |
140 | } |
141 | writer_field = bt_ctf_field_structure_get_field(writer_packet_context, | |
142 | field_name); | |
143 | if (!writer_field) { | |
19ce87a4 JD |
144 | fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, |
145 | __LINE__); | |
9ae49d3d | 146 | goto error; |
19ce87a4 JD |
147 | } |
148 | ||
149 | int_ret = bt_ctf_field_unsigned_integer_set_value(writer_field, value); | |
19ce87a4 | 150 | if (int_ret < 0) { |
19ce87a4 JD |
151 | fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, |
152 | __LINE__); | |
9ae49d3d | 153 | goto error; |
19ce87a4 | 154 | } |
9ae49d3d JD |
155 | BT_PUT(writer_field); |
156 | BT_PUT(field_type); | |
157 | BT_PUT(field); | |
19ce87a4 JD |
158 | } |
159 | ||
160 | ret = BT_COMPONENT_STATUS_OK; | |
9ae49d3d | 161 | goto end; |
19ce87a4 | 162 | |
9ae49d3d JD |
163 | error: |
164 | bt_put(writer_field); | |
165 | bt_put(field_type); | |
166 | bt_put(field); | |
167 | ret = BT_COMPONENT_STATUS_ERROR; | |
168 | end: | |
19ce87a4 | 169 | bt_put(struct_type); |
19ce87a4 | 170 | bt_put(packet_context); |
19ce87a4 JD |
171 | return ret; |
172 | } | |
173 | ||
174 | BT_HIDDEN | |
175 | struct bt_ctf_packet *trimmer_new_packet( | |
176 | struct trimmer_iterator *trim_it, | |
177 | struct bt_ctf_packet *packet) | |
178 | { | |
9ae49d3d | 179 | struct bt_ctf_stream *stream = NULL; |
19ce87a4 JD |
180 | struct bt_ctf_packet *writer_packet = NULL; |
181 | int int_ret; | |
182 | ||
183 | stream = bt_ctf_packet_get_stream(packet); | |
184 | if (!stream) { | |
185 | fprintf(trim_it->err, "[error] %s in %s:%d\n", | |
186 | __func__, __FILE__, __LINE__); | |
9ae49d3d | 187 | goto error; |
19ce87a4 JD |
188 | } |
189 | ||
190 | /* | |
191 | * If a packet was already opened, close it and remove it from | |
192 | * the HT. | |
193 | */ | |
194 | writer_packet = lookup_packet(trim_it, packet); | |
195 | if (writer_packet) { | |
196 | g_hash_table_remove(trim_it->packet_map, packet); | |
9ae49d3d | 197 | BT_PUT(writer_packet); |
19ce87a4 JD |
198 | } |
199 | ||
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__); | |
9ae49d3d | 204 | goto error; |
19ce87a4 JD |
205 | } |
206 | bt_get(writer_packet); | |
207 | ||
674221e5 JD |
208 | int_ret = ctf_packet_copy_context(trim_it->err, packet, |
209 | stream, writer_packet); | |
210 | if (int_ret < 0) { | |
19ce87a4 JD |
211 | fprintf(trim_it->err, "[error] %s in %s:%d\n", |
212 | __func__, __FILE__, __LINE__); | |
9ae49d3d | 213 | goto error; |
19ce87a4 JD |
214 | } |
215 | ||
9ae49d3d JD |
216 | goto end; |
217 | ||
218 | error: | |
219 | BT_PUT(writer_packet); | |
220 | end: | |
19ce87a4 | 221 | bt_put(stream); |
19ce87a4 JD |
222 | return writer_packet; |
223 | } | |
224 | ||
225 | BT_HIDDEN | |
226 | struct bt_ctf_packet *trimmer_close_packet( | |
227 | struct trimmer_iterator *trim_it, | |
228 | struct bt_ctf_packet *packet) | |
229 | { | |
9ae49d3d | 230 | struct bt_ctf_packet *writer_packet = NULL; |
19ce87a4 JD |
231 | |
232 | writer_packet = lookup_packet(trim_it, packet); | |
233 | if (!writer_packet) { | |
234 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
235 | __FILE__, __LINE__); | |
236 | goto end; | |
237 | } | |
238 | ||
239 | g_hash_table_remove(trim_it->packet_map, packet); | |
240 | ||
241 | end: | |
242 | return writer_packet; | |
243 | } | |
244 | ||
245 | BT_HIDDEN | |
246 | struct bt_ctf_event *trimmer_output_event( | |
247 | struct trimmer_iterator *trim_it, | |
248 | struct bt_ctf_event *event) | |
249 | { | |
9ae49d3d | 250 | struct bt_ctf_event_class *event_class = NULL; |
19ce87a4 | 251 | struct bt_ctf_event *writer_event = NULL; |
9ae49d3d | 252 | struct bt_ctf_packet *packet = NULL, *writer_packet = NULL; |
19ce87a4 JD |
253 | const char *event_name; |
254 | int int_ret; | |
255 | ||
256 | event_class = bt_ctf_event_get_class(event); | |
257 | if (!event_class) { | |
258 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
259 | __FILE__, __LINE__); | |
9ae49d3d | 260 | goto error; |
19ce87a4 JD |
261 | } |
262 | ||
263 | event_name = bt_ctf_event_class_get_name(event_class); | |
264 | if (!event_name) { | |
265 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
266 | __FILE__, __LINE__); | |
9ae49d3d | 267 | goto error; |
19ce87a4 JD |
268 | } |
269 | ||
270 | writer_event = ctf_copy_event(trim_it->err, event, event_class, false); | |
271 | if (!writer_event) { | |
272 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, | |
273 | __FILE__, __LINE__); | |
274 | fprintf(trim_it->err, "[error] Failed to copy event %s\n", | |
275 | bt_ctf_event_class_get_name(event_class)); | |
9ae49d3d | 276 | goto error; |
19ce87a4 JD |
277 | } |
278 | ||
279 | packet = bt_ctf_event_get_packet(event); | |
280 | if (!packet) { | |
19ce87a4 JD |
281 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, |
282 | __FILE__, __LINE__); | |
9ae49d3d | 283 | goto error; |
19ce87a4 JD |
284 | } |
285 | ||
286 | writer_packet = lookup_packet(trim_it, packet); | |
287 | if (!writer_packet) { | |
19ce87a4 JD |
288 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, |
289 | __FILE__, __LINE__); | |
9ae49d3d | 290 | goto error; |
19ce87a4 JD |
291 | } |
292 | bt_get(writer_packet); | |
293 | ||
294 | int_ret = bt_ctf_event_set_packet(writer_event, writer_packet); | |
295 | if (int_ret < 0) { | |
19ce87a4 JD |
296 | fprintf(trim_it->err, "[error] %s in %s:%d\n", __func__, |
297 | __FILE__, __LINE__); | |
298 | fprintf(trim_it->err, "[error] Failed to append event %s\n", | |
299 | bt_ctf_event_class_get_name(event_class)); | |
9ae49d3d | 300 | goto error; |
19ce87a4 JD |
301 | } |
302 | ||
9ae49d3d JD |
303 | /* We keep the reference on the writer_event to create a notification. */ |
304 | goto end; | |
19ce87a4 | 305 | |
9ae49d3d JD |
306 | error: |
307 | BT_PUT(writer_event); | |
308 | end: | |
19ce87a4 | 309 | bt_put(writer_packet); |
19ce87a4 | 310 | bt_put(packet); |
19ce87a4 | 311 | bt_put(event_class); |
19ce87a4 JD |
312 | return writer_event; |
313 | } |