2 * Babeltrace - Trace IR data object copy
4 * Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation
5 * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
8 * of this software and associated documentation files (the "Software"), to deal
9 * in the Software without restriction, including without limitation the rights
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
11 * copies of the Software, and to permit persons to whom the Software is
12 * furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 #define BT_COMP_LOG_SELF_COMP self_comp
27 #define BT_LOG_OUTPUT_LEVEL log_level
28 #define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-DATA-COPY"
29 #include "plugins/comp-logging.h"
34 #include "common/assert.h"
36 #include "trace-ir-data-copy.h"
39 void copy_trace_content(const bt_trace
*in_trace
, bt_trace
*out_trace
,
40 bt_logging_level log_level
, bt_self_component
*self_comp
)
42 bt_trace_set_name_status status
;
43 const char *trace_name
;
44 uint64_t i
, env_field_count
;
46 BT_COMP_LOGD("Copying content of trace: in-t-addr=%p, out-t-addr=%p",
48 trace_name
= bt_trace_get_name(in_trace
);
49 /* Copy the trace name. */
51 status
= bt_trace_set_name(out_trace
, trace_name
);
52 if (status
!= BT_TRACE_SET_NAME_STATUS_OK
) {
53 BT_COMP_LOGE("Cannot set trace's name: trace-addr=%p, name=\"%s\"",
54 out_trace
, trace_name
);
55 bt_current_thread_clear_error();
61 * Do not copy the trace UUID as it may be modified and should
62 * no longer have the same UUID.
66 * Go over all the entries in the environment section of the
67 * trace and copy the content to the new trace.
69 env_field_count
= bt_trace_get_environment_entry_count(in_trace
);
70 for (i
= 0; i
< env_field_count
; i
++) {
71 const char *value_name
;
72 const bt_value
*value
= NULL
;
73 bt_trace_set_environment_entry_status set_env_status
;
75 bt_trace_borrow_environment_entry_by_index_const(
76 in_trace
, i
, &value_name
, &value
);
78 BT_COMP_LOGD("Copying trace environnement entry: "
79 "index=%" PRId64
", value-addr=%p, value-name=%s",
80 i
, value
, value_name
);
82 BT_ASSERT(value_name
);
85 if (bt_value_is_signed_integer(value
)) {
87 bt_trace_set_environment_entry_integer(
88 out_trace
, value_name
,
89 bt_value_integer_signed_get(
91 } else if (bt_value_is_string(value
)) {
93 bt_trace_set_environment_entry_string(
94 out_trace
, value_name
,
95 bt_value_string_get(value
));
100 if (set_env_status
!=
101 BT_TRACE_SET_ENVIRONMENT_ENTRY_STATUS_OK
) {
102 BT_COMP_LOGE("Cannot copy trace's environment: "
103 "trace-addr=%p, name=\"%s\"",
104 out_trace
, trace_name
);
105 bt_current_thread_clear_error();
110 BT_COMP_LOGD("Copied content of trace: in-t-addr=%p, out-t-addr=%p",
111 in_trace
, out_trace
);
117 void copy_stream_content(const bt_stream
*in_stream
, bt_stream
*out_stream
,
118 bt_logging_level log_level
, bt_self_component
*self_comp
)
120 const char *stream_name
;
121 bt_stream_set_name_status status
;
123 BT_COMP_LOGD("Copying content of stream: in-s-addr=%p, out-s-addr=%p",
124 in_stream
, out_stream
);
126 stream_name
= bt_stream_get_name(in_stream
);
128 status
= bt_stream_set_name(out_stream
, stream_name
);
129 if (status
!= BT_STREAM_SET_NAME_STATUS_OK
) {
130 BT_COMP_LOGE("Cannot set stream's name: stream-addr=%p, "
131 "name=%s", out_stream
, stream_name
);
136 BT_COMP_LOGD("Copied content of stream: in-s-addr=%p, out-s-addr=%p",
137 in_stream
, out_stream
);
143 void copy_packet_content(const bt_packet
*in_packet
, bt_packet
*out_packet
,
144 bt_logging_level log_level
, bt_self_component
*self_comp
)
146 const bt_field
*in_context_field
;
147 bt_field
*out_context_field
;
149 BT_COMP_LOGD("Copying content of packet: in-p-addr=%p, out-p-addr=%p",
150 in_packet
, out_packet
);
152 /* Copy context field. */
153 in_context_field
= bt_packet_borrow_context_field_const(in_packet
);
154 if (in_context_field
) {
155 out_context_field
= bt_packet_borrow_context_field(out_packet
);
156 BT_ASSERT(out_context_field
);
157 copy_field_content(in_context_field
, out_context_field
,
158 log_level
, self_comp
);
161 BT_COMP_LOGD("Copied content of packet: in-p-addr=%p, out-p-addr=%p",
162 in_packet
, out_packet
);
167 void copy_event_content(const bt_event
*in_event
, bt_event
*out_event
,
168 bt_logging_level log_level
, bt_self_component
*self_comp
)
170 const bt_field
*in_common_ctx_field
, *in_specific_ctx_field
,
172 bt_field
*out_common_ctx_field
, *out_specific_ctx_field
,
175 BT_COMP_LOGD("Copying content of event: in-e-addr=%p, out-e-addr=%p",
176 in_event
, out_event
);
177 in_common_ctx_field
=
178 bt_event_borrow_common_context_field_const(in_event
);
179 if (in_common_ctx_field
) {
180 out_common_ctx_field
=
181 bt_event_borrow_common_context_field(out_event
);
182 BT_ASSERT(out_common_ctx_field
);
183 copy_field_content(in_common_ctx_field
,
184 out_common_ctx_field
, log_level
, self_comp
);
187 in_specific_ctx_field
=
188 bt_event_borrow_specific_context_field_const(in_event
);
189 if (in_specific_ctx_field
) {
190 out_specific_ctx_field
=
191 bt_event_borrow_specific_context_field(out_event
);
192 BT_ASSERT(out_specific_ctx_field
);
193 copy_field_content(in_specific_ctx_field
,
194 out_specific_ctx_field
, log_level
, self_comp
);
197 in_payload_field
= bt_event_borrow_payload_field_const(in_event
);
198 if (in_payload_field
) {
199 out_payload_field
= bt_event_borrow_payload_field(out_event
);
200 BT_ASSERT(out_payload_field
);
201 copy_field_content(in_payload_field
,
202 out_payload_field
, log_level
, self_comp
);
205 BT_COMP_LOGD("Copied content of event: in-e-addr=%p, out-e-addr=%p",
206 in_event
, out_event
);
210 void copy_field_content(const bt_field
*in_field
, bt_field
*out_field
,
211 bt_logging_level log_level
, bt_self_component
*self_comp
)
213 bt_field_class_type in_fc_type
, out_fc_type
;
215 in_fc_type
= bt_field_get_class_type(in_field
);
216 out_fc_type
= bt_field_get_class_type(out_field
);
217 BT_ASSERT(in_fc_type
== out_fc_type
);
219 BT_COMP_LOGT("Copying content of field: in-f-addr=%p, out-f-addr=%p",
220 in_field
, out_field
);
221 switch (in_fc_type
) {
222 case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER
:
223 case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION
:
224 bt_field_integer_unsigned_set_value(out_field
,
225 bt_field_integer_unsigned_get_value(in_field
));
227 case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER
:
228 case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION
:
229 bt_field_integer_signed_set_value(out_field
,
230 bt_field_integer_signed_get_value(in_field
));
232 case BT_FIELD_CLASS_TYPE_REAL
:
233 bt_field_real_set_value(out_field
,
234 bt_field_real_get_value(in_field
));
236 case BT_FIELD_CLASS_TYPE_STRING
:
238 const char *str
= bt_field_string_get_value(in_field
);
239 bt_field_string_set_value_status status
=
240 bt_field_string_set_value(out_field
, str
);
241 if (status
!= BT_FIELD_STRING_SET_VALUE_STATUS_OK
) {
242 BT_COMP_LOGE("Cannot set string field's value: "
243 "str-field-addr=%p, str=%s" PRId64
,
245 bt_current_thread_clear_error();
250 case BT_FIELD_CLASS_TYPE_STRUCTURE
:
252 uint64_t i
, nb_member_struct
;
253 const bt_field
*in_member_field
;
254 bt_field
*out_member_field
;
255 const bt_field_class
*in_field_class
;
256 const char *in_member_name
;
258 in_field_class
= bt_field_borrow_class_const(in_field
);
259 nb_member_struct
= bt_field_class_structure_get_member_count(
263 * Iterate over the fields by names in the input field to avoid
264 * problem if the struct fields are not in the same order after
265 * the debug-info was added.
267 for (i
= 0; i
< nb_member_struct
; i
++) {
268 const bt_field_class_structure_member
*member
=
269 bt_field_class_structure_borrow_member_by_index_const(
273 bt_field_class_structure_member_get_name(
276 bt_field_structure_borrow_member_field_by_name_const(
277 in_field
, in_member_name
);
279 bt_field_structure_borrow_member_field_by_name(
280 out_field
, in_member_name
);
282 copy_field_content(in_member_field
,
283 out_member_field
, log_level
, self_comp
);
287 case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
:
289 case BT_FIELD_CLASS_TYPE_STATIC_ARRAY
:
291 const bt_field
*in_element_field
;
292 bt_field
*out_element_field
;
293 uint64_t i
, array_len
;
294 bt_field_array_dynamic_set_length_status set_len_status
;
296 array_len
= bt_field_array_get_length(in_field
);
298 if (in_fc_type
== BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY
) {
299 set_len_status
= bt_field_array_dynamic_set_length(
300 out_field
, array_len
);
301 if (set_len_status
!=
302 BT_FIELD_DYNAMIC_ARRAY_SET_LENGTH_STATUS_OK
) {
303 BT_COMP_LOGE("Cannot set dynamic array field's "
304 "length field: field-addr=%p, "
305 "length=%" PRIu64
, out_field
, array_len
);
306 bt_current_thread_clear_error();
310 for (i
= 0; i
< array_len
; i
++) {
312 bt_field_array_borrow_element_field_by_index_const(
315 bt_field_array_borrow_element_field_by_index(
317 copy_field_content(in_element_field
, out_element_field
,
318 log_level
, self_comp
);
322 case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR
:
323 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR
:
324 case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR
:
326 bt_field_variant_select_option_field_by_index_status sel_opt_status
;
327 uint64_t in_selected_option_idx
;
328 const bt_field
*in_option_field
;
329 bt_field
*out_option_field
;
331 in_selected_option_idx
=
332 bt_field_variant_get_selected_option_field_index(
334 sel_opt_status
= bt_field_variant_select_option_field_by_index(out_field
,
335 in_selected_option_idx
);
336 if (sel_opt_status
!=
337 BT_FIELD_VARIANT_SELECT_OPTION_FIELD_STATUS_OK
) {
338 BT_COMP_LOGE("Cannot select variant field's option field: "
339 "var-field-addr=%p, opt-index=%" PRId64
,
340 out_field
, in_selected_option_idx
);
341 bt_current_thread_clear_error();
344 in_option_field
= bt_field_variant_borrow_selected_option_field_const(in_field
);
345 out_option_field
= bt_field_variant_borrow_selected_option_field(out_field
);
347 copy_field_content(in_option_field
, out_option_field
,
348 log_level
, self_comp
);
355 BT_COMP_LOGT("Copied content of field: in-f-addr=%p, out-f-addr=%p",
356 in_field
, out_field
);