Values API: split into private and public APIs
[babeltrace.git] / include / babeltrace / ctf-writer / trace-internal.h
CommitLineData
3dca2276
PP
1#ifndef BABELTRACE_CTF_WRITER_TRACE_INTERNAL_H
2#define BABELTRACE_CTF_WRITER_TRACE_INTERNAL_H
3
4/*
5 * BabelTrace - CTF Writer: Trace
6 *
7 * Copyright 2014 EfficiOS Inc.
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 * The Common Trace Format (CTF) Specification is available at
30 * http://www.efficios.com/ctf
31 */
32
16ca5ff0
PP
33#include <babeltrace/assert-pre-internal.h>
34#include <babeltrace/babeltrace-internal.h>
35#include <babeltrace/compat/uuid-internal.h>
36#include <babeltrace/ctf-writer/attributes-internal.h>
37#include <babeltrace/ctf-writer/clock-class-internal.h>
38#include <babeltrace/ctf-writer/field-types.h>
39#include <babeltrace/ctf-writer/fields.h>
40#include <babeltrace/ctf-writer/stream-class-internal.h>
41#include <babeltrace/ctf-writer/trace.h>
42#include <babeltrace/ctf-writer/validation-internal.h>
43#include <babeltrace/object-internal.h>
44#include <babeltrace/types.h>
45#include <babeltrace/values.h>
da91b29a 46#include <babeltrace/private-values.h>
16ca5ff0
PP
47#include <glib.h>
48#include <sys/types.h>
49
50struct bt_ctf_trace_common {
51 struct bt_object base;
52 GString *name;
53 int frozen;
54 unsigned char uuid[BABELTRACE_UUID_LEN];
55 bt_bool uuid_set;
56 enum bt_ctf_byte_order native_byte_order;
da91b29a 57 struct bt_private_value *environment;
16ca5ff0
PP
58 GPtrArray *clock_classes; /* Array of pointers to bt_ctf_clock_class */
59 GPtrArray *stream_classes; /* Array of ptrs to bt_ctf_stream_class_common */
60 GPtrArray *streams; /* Array of ptrs to bt_ctf_stream_common */
61 struct bt_ctf_field_type_common *packet_header_field_type;
62 int64_t next_stream_id;
63
64 /*
65 * This flag indicates if the trace is valid. A valid
66 * trace is _always_ frozen.
67 */
68 int valid;
69};
70
71BT_HIDDEN
72bt_bool bt_ctf_trace_common_has_clock_class(struct bt_ctf_trace_common *trace,
73 struct bt_ctf_clock_class *clock_class);
74
75BT_HIDDEN
76int bt_ctf_trace_common_initialize(struct bt_ctf_trace_common *trace,
77 bt_object_release_func release_func);
78
79BT_HIDDEN
80void bt_ctf_trace_common_finalize(struct bt_ctf_trace_common *trace);
81
82static inline
83const char *bt_ctf_trace_common_get_name(struct bt_ctf_trace_common *trace)
84{
85 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
86 return trace->name ? trace->name->str : NULL;
87}
88
89BT_HIDDEN
90int bt_ctf_trace_common_set_name(struct bt_ctf_trace_common *trace, const char *name);
91
92static inline
93const unsigned char *bt_ctf_trace_common_get_uuid(struct bt_ctf_trace_common *trace)
94{
95 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
96 return trace->uuid_set ? trace->uuid : NULL;
97}
98
99BT_HIDDEN
100int bt_ctf_trace_common_set_uuid(struct bt_ctf_trace_common *trace, const unsigned char *uuid);
101
102BT_HIDDEN
103int bt_ctf_trace_common_set_environment_field(struct bt_ctf_trace_common *trace,
da91b29a 104 const char *name, struct bt_private_value *value);
16ca5ff0
PP
105
106BT_HIDDEN
107int bt_ctf_trace_common_set_environment_field_string(struct bt_ctf_trace_common *trace,
108 const char *name, const char *value);
109
110BT_HIDDEN
111int bt_ctf_trace_common_set_environment_field_integer(struct bt_ctf_trace_common *trace,
112 const char *name, int64_t value);
113
114static inline
115int64_t bt_ctf_trace_common_get_environment_field_count(
116 struct bt_ctf_trace_common *trace)
117{
118 int64_t ret;
119
120 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
121 ret = bt_ctf_attributes_get_count(trace->environment);
122 BT_ASSERT(ret >= 0);
123 return ret;
124}
125
126static inline
127const char *
128bt_ctf_trace_common_get_environment_field_name_by_index(
129 struct bt_ctf_trace_common *trace, uint64_t index)
130{
131 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
132 return bt_ctf_attributes_get_field_name(trace->environment, index);
133}
134
135static inline
da91b29a
PP
136struct bt_private_value *
137bt_ctf_trace_common_borrow_environment_field_value_by_index(
16ca5ff0
PP
138 struct bt_ctf_trace_common *trace, uint64_t index)
139{
140 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
141 return bt_ctf_attributes_borrow_field_value(trace->environment, index);
142}
143
144static inline
da91b29a
PP
145struct bt_private_value *
146bt_ctf_trace_common_borrow_environment_field_value_by_name(
16ca5ff0
PP
147 struct bt_ctf_trace_common *trace, const char *name)
148{
149 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
150 BT_ASSERT_PRE_NON_NULL(name, "Name");
151 return bt_ctf_attributes_borrow_field_value_by_name(trace->environment,
152 name);
153}
154
155BT_HIDDEN
156int bt_ctf_trace_common_add_clock_class(struct bt_ctf_trace_common *trace,
157 struct bt_ctf_clock_class *clock_class);
158
159static inline
160int64_t bt_ctf_trace_common_get_clock_class_count(struct bt_ctf_trace_common *trace)
161{
162 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
163 return trace->clock_classes->len;
164}
165
166static inline
167struct bt_ctf_clock_class *bt_ctf_trace_common_borrow_clock_class_by_index(
168 struct bt_ctf_trace_common *trace, uint64_t index)
169{
170 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
171 BT_ASSERT_PRE(index < trace->clock_classes->len,
172 "Index is out of bounds: index=%" PRIu64 ", "
173 "count=%u",
174 index, trace->clock_classes->len);
175 return g_ptr_array_index(trace->clock_classes, index);
176}
177
178static inline
179int64_t bt_ctf_trace_common_get_stream_count(struct bt_ctf_trace_common *trace)
180{
181 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
182 return (int64_t) trace->streams->len;
183}
184
185static inline
186struct bt_ctf_stream_common *bt_ctf_trace_common_borrow_stream_by_index(
187 struct bt_ctf_trace_common *trace,
188 uint64_t index)
189{
190 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
191 BT_ASSERT_PRE(index < trace->streams->len,
192 "Index is out of bounds: index=%" PRIu64 ", "
193 "count=%u",
194 index, trace->streams->len);
195 return g_ptr_array_index(trace->streams, index);
196}
197
198static inline
199int64_t bt_ctf_trace_common_get_stream_class_count(struct bt_ctf_trace_common *trace)
200{
201 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
202 return (int64_t) trace->stream_classes->len;
203}
204
205static inline
206struct bt_ctf_stream_class_common *bt_ctf_trace_common_borrow_stream_class_by_index(
207 struct bt_ctf_trace_common *trace, uint64_t index)
208{
209 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
210 BT_ASSERT_PRE(index < trace->stream_classes->len,
211 "Index is out of bounds: index=%" PRIu64 ", "
212 "count=%u",
213 index, trace->stream_classes->len);
214 return g_ptr_array_index(trace->stream_classes, index);
215}
216
217static inline
218struct bt_ctf_stream_class_common *bt_ctf_trace_common_borrow_stream_class_by_id(
219 struct bt_ctf_trace_common *trace, uint64_t id_param)
220{
221 int i;
222 struct bt_ctf_stream_class_common *stream_class = NULL;
223 int64_t id = (int64_t) id_param;
224
225 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
226 BT_ASSERT_PRE(id >= 0,
227 "Invalid stream class ID: %" PRIu64, id_param);
228
229 for (i = 0; i < trace->stream_classes->len; i++) {
230 struct bt_ctf_stream_class_common *stream_class_candidate;
231
232 stream_class_candidate =
233 g_ptr_array_index(trace->stream_classes, i);
234
235 if (bt_ctf_stream_class_common_get_id(stream_class_candidate) ==
236 (int64_t) id) {
237 stream_class = stream_class_candidate;
238 goto end;
239 }
240 }
241
242end:
243 return stream_class;
244}
245
246static inline
247struct bt_ctf_clock_class *bt_ctf_trace_common_borrow_clock_class_by_name(
248 struct bt_ctf_trace_common *trace, const char *name)
249{
250 size_t i;
251 struct bt_ctf_clock_class *clock_class = NULL;
252
253 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
254 BT_ASSERT_PRE_NON_NULL(name, "Name");
255
256 for (i = 0; i < trace->clock_classes->len; i++) {
257 struct bt_ctf_clock_class *cur_clk =
258 g_ptr_array_index(trace->clock_classes, i);
259 const char *cur_clk_name = bt_ctf_clock_class_get_name(cur_clk);
260
261 if (!cur_clk_name) {
262 goto end;
263 }
264
265 if (!strcmp(cur_clk_name, name)) {
266 clock_class = cur_clk;
267 goto end;
268 }
269 }
270
271end:
272 return clock_class;
273}
274
275static inline
276enum bt_ctf_byte_order bt_ctf_trace_common_get_native_byte_order(
277 struct bt_ctf_trace_common *trace)
278{
279 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
280 return trace->native_byte_order;
281}
282
283BT_HIDDEN
284int bt_ctf_trace_common_set_native_byte_order(struct bt_ctf_trace_common *trace,
285 enum bt_ctf_byte_order byte_order, bool allow_unspecified);
286
287static inline
288struct bt_ctf_field_type_common *bt_ctf_trace_common_borrow_packet_header_field_type(
289 struct bt_ctf_trace_common *trace)
290{
291 BT_ASSERT_PRE_NON_NULL(trace, "Trace");
292 return trace->packet_header_field_type;
293}
294
295BT_HIDDEN
296int bt_ctf_trace_common_set_packet_header_field_type(struct bt_ctf_trace_common *trace,
297 struct bt_ctf_field_type_common *packet_header_field_type);
298
299static inline
300void bt_ctf_trace_common_freeze(struct bt_ctf_trace_common *trace)
301{
302 int i;
303
304 if (trace->frozen) {
305 return;
306 }
307
308 BT_LOGD("Freezing trace: addr=%p, name=\"%s\"",
309 trace, bt_ctf_trace_common_get_name(trace));
310 BT_LOGD_STR("Freezing packet header field type.");
311 bt_ctf_field_type_common_freeze(trace->packet_header_field_type);
312 BT_LOGD_STR("Freezing environment attributes.");
313 bt_ctf_attributes_freeze(trace->environment);
314
315 if (trace->clock_classes->len > 0) {
316 BT_LOGD_STR("Freezing clock classes.");
317 }
318
319 for (i = 0; i < trace->clock_classes->len; i++) {
320 struct bt_ctf_clock_class *clock_class =
321 g_ptr_array_index(trace->clock_classes, i);
322
323 bt_ctf_clock_class_freeze(clock_class);
324 }
325
326 trace->frozen = 1;
327}
328
329BT_HIDDEN
330int bt_ctf_trace_common_add_stream_class(struct bt_ctf_trace_common *trace,
331 struct bt_ctf_stream_class_common *stream_class,
332 bt_ctf_validation_flag_copy_field_type_func copy_field_type_func,
333 struct bt_ctf_clock_class *init_expected_clock_class,
334 int (*map_clock_classes_func)(struct bt_ctf_stream_class_common *stream_class,
335 struct bt_ctf_field_type_common *packet_context_field_type,
336 struct bt_ctf_field_type_common *event_header_field_type),
337 bool check_ts_begin_end_mapped);
3dca2276
PP
338
339struct bt_ctf_trace {
16ca5ff0 340 struct bt_ctf_trace_common common;
3dca2276
PP
341};
342
343/*
344 * bt_ctf_trace_get_metadata_string: get metadata string.
345 *
346 * Get the trace's TSDL metadata. The caller assumes the ownership of the
347 * returned string.
348 *
349 * @param trace Trace instance.
350 *
351 * Returns the metadata string on success, NULL on error.
352 */
353BT_HIDDEN
354char *bt_ctf_trace_get_metadata_string(struct bt_ctf_trace *trace);
355
356BT_HIDDEN
357struct bt_ctf_trace *bt_ctf_trace_create(void);
358
16ca5ff0
PP
359BT_HIDDEN
360int64_t bt_ctf_trace_get_clock_class_count(
361 struct bt_ctf_trace *trace);
362
363BT_HIDDEN
364struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_index(
365 struct bt_ctf_trace *trace, uint64_t index);
366
367BT_HIDDEN
368struct bt_ctf_clock_class *bt_ctf_trace_get_clock_class_by_name(
369 struct bt_ctf_trace *trace, const char *name);
370
371BT_HIDDEN
372int bt_ctf_trace_add_clock_class(struct bt_ctf_trace *trace,
373 struct bt_ctf_clock_class *clock_class);
374
3dca2276 375#endif /* BABELTRACE_CTF_WRITER_TRACE_INTERNAL_H */
This page took 0.062205 seconds and 4 git commands to generate.