[babeltrace.git] / src / plugins / lttng-utils / debug-info / trace-ir-data-copy.c

/*
 * Babeltrace - Trace IR data object copy
 *
 * Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation
 * Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#define BT_COMP_LOG_SELF_COMP self_comp
#define BT_LOG_OUTPUT_LEVEL log_level
#define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-DATA-COPY"
#include "logging/comp-logging.h"

#include <inttypes.h>
#include <stdint.h>

#include "common/assert.h"

#include "trace-ir-data-copy.h"

BT_HIDDEN
void copy_trace_content(const bt_trace *in_trace, bt_trace *out_trace,
		bt_logging_level log_level, bt_self_component *self_comp)
{
	bt_trace_set_name_status status;
	const char *trace_name;
	uint64_t i, env_field_count;

	BT_COMP_LOGD("Copying content of trace: in-t-addr=%p, out-t-addr=%p",
			in_trace, out_trace);
	trace_name = bt_trace_get_name(in_trace);
	/* Copy the trace name. */
	if (trace_name) {
		status = bt_trace_set_name(out_trace, trace_name);
		if (status != BT_TRACE_SET_NAME_STATUS_OK) {
			BT_COMP_LOGE("Cannot set trace's name: trace-addr=%p, name=\"%s\"",
				out_trace, trace_name);
			bt_current_thread_clear_error();
			goto end;
		}
	}

	/*
	 * Safe to use the same value object because it's frozen at this
	 * point.
	 */
	bt_trace_set_user_attributes(out_trace,
		bt_trace_borrow_user_attributes_const(in_trace));

	/*
	 * Do not copy the trace UUID as it may be modified and should
	 * no longer have the same UUID.
	 */

	/*
	 * Go over all the entries in the environment section of the
	 * trace and copy the content to the new trace.
	 */
	env_field_count = bt_trace_get_environment_entry_count(in_trace);
	for (i = 0; i < env_field_count; i++) {
		const char *value_name;
		const bt_value *value = NULL;
		bt_trace_set_environment_entry_status set_env_status;

		bt_trace_borrow_environment_entry_by_index_const(
			in_trace, i, &value_name, &value);

		BT_COMP_LOGD("Copying trace environnement entry: "
			"index=%" PRId64 ", value-addr=%p, value-name=%s",
			i, value, value_name);

		BT_ASSERT(value_name);
		BT_ASSERT(value);

		if (bt_value_is_signed_integer(value)) {
			set_env_status =
				bt_trace_set_environment_entry_integer(
						out_trace, value_name,
						bt_value_integer_signed_get(
							value));
		} else if (bt_value_is_string(value)) {
			set_env_status =
				bt_trace_set_environment_entry_string(
					out_trace, value_name,
					bt_value_string_get(value));
		} else {
			abort();
		}

		if (set_env_status !=
				BT_TRACE_SET_ENVIRONMENT_ENTRY_STATUS_OK) {
			BT_COMP_LOGE("Cannot copy trace's environment: "
				"trace-addr=%p, name=\"%s\"",
				out_trace, trace_name);
			bt_current_thread_clear_error();
			goto end;
		}
	}

	BT_COMP_LOGD("Copied content of trace: in-t-addr=%p, out-t-addr=%p",
			in_trace, out_trace);
end:
	return;
}

BT_HIDDEN
void copy_stream_content(const bt_stream *in_stream, bt_stream *out_stream,
		bt_logging_level log_level, bt_self_component *self_comp)
{
	const char *stream_name;
	bt_stream_set_name_status status;

	BT_COMP_LOGD("Copying content of stream: in-s-addr=%p, out-s-addr=%p",
			in_stream, out_stream);

	stream_name = bt_stream_get_name(in_stream);
	if (stream_name) {
		status = bt_stream_set_name(out_stream, stream_name);
		if (status != BT_STREAM_SET_NAME_STATUS_OK) {
			BT_COMP_LOGE("Cannot set stream's name: stream-addr=%p, "
				"name=%s", out_stream, stream_name);
			goto end;
		}
	}

	/*
	 * Safe to use the same value object because it's frozen at this
	 * point.
	 */
	bt_stream_set_user_attributes(out_stream,
		bt_stream_borrow_user_attributes_const(in_stream));
	BT_COMP_LOGD("Copied content of stream: in-s-addr=%p, out-s-addr=%p",
			in_stream, out_stream);
end:
	return;
}

BT_HIDDEN
void copy_packet_content(const bt_packet *in_packet, bt_packet *out_packet,
		bt_logging_level log_level, bt_self_component *self_comp)
{
	const bt_field *in_context_field;
	bt_field *out_context_field;

	BT_COMP_LOGD("Copying content of packet: in-p-addr=%p, out-p-addr=%p",
			in_packet, out_packet);

	/* Copy context field. */
	in_context_field = bt_packet_borrow_context_field_const(in_packet);
	if (in_context_field) {
		out_context_field = bt_packet_borrow_context_field(out_packet);
		BT_ASSERT(out_context_field);
		copy_field_content(in_context_field, out_context_field,
			log_level, self_comp);
	}

	BT_COMP_LOGD("Copied content of packet: in-p-addr=%p, out-p-addr=%p",
			in_packet, out_packet);
	return;
}

BT_HIDDEN
void copy_event_content(const bt_event *in_event, bt_event *out_event,
		bt_logging_level log_level, bt_self_component *self_comp)
{
	const bt_field *in_common_ctx_field, *in_specific_ctx_field,
	      *in_payload_field;
	bt_field *out_common_ctx_field, *out_specific_ctx_field,
		 *out_payload_field;

	BT_COMP_LOGD("Copying content of event: in-e-addr=%p, out-e-addr=%p",
			in_event, out_event);
	in_common_ctx_field =
		bt_event_borrow_common_context_field_const(in_event);
	if (in_common_ctx_field) {
		out_common_ctx_field =
			bt_event_borrow_common_context_field(out_event);
		BT_ASSERT(out_common_ctx_field);
		copy_field_content(in_common_ctx_field,
			out_common_ctx_field, log_level, self_comp);
	}

	in_specific_ctx_field =
		bt_event_borrow_specific_context_field_const(in_event);
	if (in_specific_ctx_field) {
		out_specific_ctx_field =
			bt_event_borrow_specific_context_field(out_event);
		BT_ASSERT(out_specific_ctx_field);
		copy_field_content(in_specific_ctx_field,
			out_specific_ctx_field, log_level, self_comp);
	}

	in_payload_field = bt_event_borrow_payload_field_const(in_event);
	if (in_payload_field) {
		out_payload_field = bt_event_borrow_payload_field(out_event);
		BT_ASSERT(out_payload_field);
		copy_field_content(in_payload_field,
			out_payload_field, log_level, self_comp);
	}

	BT_COMP_LOGD("Copied content of event: in-e-addr=%p, out-e-addr=%p",
			in_event, out_event);
}

BT_HIDDEN
void copy_field_content(const bt_field *in_field, bt_field *out_field,
		bt_logging_level log_level, bt_self_component *self_comp)
{
	bt_field_class_type in_fc_type, out_fc_type;

	in_fc_type = bt_field_get_class_type(in_field);
	out_fc_type = bt_field_get_class_type(out_field);
	BT_ASSERT(in_fc_type == out_fc_type);

	BT_COMP_LOGT("Copying content of field: in-f-addr=%p, out-f-addr=%p",
			in_field, out_field);
	switch (in_fc_type) {
	case BT_FIELD_CLASS_TYPE_BOOL:
		bt_field_bool_set_value(out_field,
			bt_field_bool_get_value(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
		bt_field_bit_array_set_value_as_integer(out_field,
			bt_field_bit_array_get_value_as_integer(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
	case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
		bt_field_integer_unsigned_set_value(out_field,
				bt_field_integer_unsigned_get_value(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
	case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
		bt_field_integer_signed_set_value(out_field,
				bt_field_integer_signed_get_value(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
		bt_field_real_single_precision_set_value(out_field,
				bt_field_real_single_precision_get_value(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
		bt_field_real_double_precision_set_value(out_field,
				bt_field_real_double_precision_get_value(in_field));
		break;
	case BT_FIELD_CLASS_TYPE_STRING:
	{
		const char *str = bt_field_string_get_value(in_field);
		bt_field_string_set_value_status status =
			bt_field_string_set_value(out_field, str);
		if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) {
			BT_COMP_LOGE("Cannot set string field's value: "
				"str-field-addr=%p, str=%s" PRId64,
				out_field, str);
			bt_current_thread_clear_error();

		}
		break;
	}
	case BT_FIELD_CLASS_TYPE_STRUCTURE:
	{
		uint64_t i, nb_member_struct;
		const bt_field *in_member_field;
		bt_field *out_member_field;
		const bt_field_class *in_field_class;
		const char *in_member_name;

		in_field_class = bt_field_borrow_class_const(in_field);
		nb_member_struct = bt_field_class_structure_get_member_count(
				in_field_class);

		/*
		 * Iterate over the fields by names in the input field to avoid
		 * problem if the struct fields are not in the same order after
		 * the debug-info was added.
		 */
		for (i = 0; i < nb_member_struct; i++) {
			const bt_field_class_structure_member *member =
				bt_field_class_structure_borrow_member_by_index_const(
					in_field_class, i);

			in_member_name =
				bt_field_class_structure_member_get_name(
					member);
			in_member_field =
				bt_field_structure_borrow_member_field_by_name_const(
						in_field, in_member_name);
			out_member_field =
				bt_field_structure_borrow_member_field_by_name(
						out_field, in_member_name);

			copy_field_content(in_member_field,
				out_member_field, log_level, self_comp);
		}
		break;
	}
	case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
		/* fall through */
	case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
	{
		const bt_field *in_element_field;
		bt_field *out_element_field;
		uint64_t i, array_len;
		bt_field_array_dynamic_set_length_status set_len_status;

		array_len = bt_field_array_get_length(in_field);

		if (in_fc_type == BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY) {
			set_len_status = bt_field_array_dynamic_set_length(
				out_field, array_len);
			if (set_len_status !=
					BT_FIELD_DYNAMIC_ARRAY_SET_LENGTH_STATUS_OK) {
				BT_COMP_LOGE("Cannot set dynamic array field's "
					"length field: field-addr=%p, "
					"length=%" PRIu64, out_field, array_len);
				bt_current_thread_clear_error();
			}
		}

		for (i = 0; i < array_len; i++) {
			in_element_field =
				bt_field_array_borrow_element_field_by_index_const(
					in_field, i);
			out_element_field =
				bt_field_array_borrow_element_field_by_index(
					out_field, i);
			copy_field_content(in_element_field, out_element_field,
				log_level, self_comp);
		}
		break;
	}
	case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR:
	case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR:
	case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR:
	case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR:
	{
		const bt_field *in_option_field;
		bt_field *out_option_field;

		in_option_field = bt_field_option_borrow_field_const(in_field);

		if (in_option_field) {
			bt_field_option_set_has_field(out_field, BT_TRUE);
			out_option_field = bt_field_option_borrow_field(
				out_field);
			BT_ASSERT(out_option_field);
			copy_field_content(in_option_field, out_option_field,
				log_level, self_comp);
		} else {
			bt_field_option_set_has_field(out_field, BT_FALSE);
		}

		break;
	}
	case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
	case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
	case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
	{
		bt_field_variant_select_option_field_by_index_status sel_opt_status;
		uint64_t in_selected_option_idx;
		const bt_field *in_option_field;
		bt_field *out_option_field;

		in_selected_option_idx =
			bt_field_variant_get_selected_option_field_index(
					in_field);
		sel_opt_status = bt_field_variant_select_option_field_by_index(out_field,
				in_selected_option_idx);
		if (sel_opt_status !=
				BT_FIELD_VARIANT_SELECT_OPTION_FIELD_STATUS_OK) {
			BT_COMP_LOGE("Cannot select variant field's option field: "
				"var-field-addr=%p, opt-index=%" PRId64,
				out_field, in_selected_option_idx);
			bt_current_thread_clear_error();
		}

		in_option_field = bt_field_variant_borrow_selected_option_field_const(in_field);
		out_option_field = bt_field_variant_borrow_selected_option_field(out_field);

		copy_field_content(in_option_field, out_option_field,
			log_level, self_comp);

		break;
	}
	default:
		abort();
	}
	BT_COMP_LOGT("Copied content of field: in-f-addr=%p, out-f-addr=%p",
			in_field, out_field);
}
Commit	Line	Data
58f6d595 FD	1	/*
	2	* Babeltrace - Trace IR data object copy
	3	*
	4	* Copyright (c) 2015-2019 EfficiOS Inc. and Linux Foundation
	5	* Copyright (c) 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
	6	*
	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:
	13	*
	14	* The above copyright notice and this permission notice shall be included in
	15	* all copies or substantial portions of the Software.
	16	*
	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
	23	* SOFTWARE.
	24	*/
	25
475e740e	26	#define BT_COMP_LOG_SELF_COMP self_comp
a07aba4f	27	#define BT_LOG_OUTPUT_LEVEL log_level
b03487ab	28	#define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-DATA-COPY"
3fa1b6a3	29	#include "logging/comp-logging.h"
58f6d595 FD	30
	31	#include <inttypes.h>
	32	#include <stdint.h>
	33
57952005	34	#include "common/assert.h"
58f6d595 FD	35
	36	#include "trace-ir-data-copy.h"
	37
	38	BT_HIDDEN
a07aba4f	39	void copy_trace_content(const bt_trace in_trace, bt_trace out_trace,
475e740e	40	bt_logging_level log_level, bt_self_component *self_comp)
58f6d595	41	{
fb25b9e3	42	bt_trace_set_name_status status;
58f6d595	43	const char *trace_name;
cd03c43c	44	uint64_t i, env_field_count;
58f6d595	45
475e740e	46	BT_COMP_LOGD("Copying content of trace: in-t-addr=%p, out-t-addr=%p",
58f6d595	47	in_trace, out_trace);
58f6d595 FD	48	trace_name = bt_trace_get_name(in_trace);
	49	/* Copy the trace name. */
	50	if (trace_name) {
	51	status = bt_trace_set_name(out_trace, trace_name);
fb25b9e3	52	if (status != BT_TRACE_SET_NAME_STATUS_OK) {
475e740e	53	BT_COMP_LOGE("Cannot set trace's name: trace-addr=%p, name=\"%s\"",
fb25b9e3	54	out_trace, trace_name);
0fb60f5d	55	bt_current_thread_clear_error();
58f6d595 FD	56	goto end;
	57	}
	58	}
	59
84ff66df PP	60	/*
	61	* Safe to use the same value object because it's frozen at this
	62	* point.
	63	*/
	64	bt_trace_set_user_attributes(out_trace,
	65	bt_trace_borrow_user_attributes_const(in_trace));
	66
cd03c43c PP	67	/*
	68	* Do not copy the trace UUID as it may be modified and should
	69	* no longer have the same UUID.
	70	*/
	71
	72	/*
	73	* Go over all the entries in the environment section of the
	74	* trace and copy the content to the new trace.
	75	*/
	76	env_field_count = bt_trace_get_environment_entry_count(in_trace);
	77	for (i = 0; i < env_field_count; i++) {
	78	const char *value_name;
	79	const bt_value *value = NULL;
	80	bt_trace_set_environment_entry_status set_env_status;
	81
	82	bt_trace_borrow_environment_entry_by_index_const(
	83	in_trace, i, &value_name, &value);
	84
	85	BT_COMP_LOGD("Copying trace environnement entry: "
	86	"index=%" PRId64 ", value-addr=%p, value-name=%s",
	87	i, value, value_name);
	88
	89	BT_ASSERT(value_name);
	90	BT_ASSERT(value);
	91
	92	if (bt_value_is_signed_integer(value)) {
	93	set_env_status =
	94	bt_trace_set_environment_entry_integer(
	95	out_trace, value_name,
60bbfc7c	96	bt_value_integer_signed_get(
cd03c43c PP	97	value));
	98	} else if (bt_value_is_string(value)) {
	99	set_env_status =
	100	bt_trace_set_environment_entry_string(
	101	out_trace, value_name,
	102	bt_value_string_get(value));
	103	} else {
	104	abort();
	105	}
	106
	107	if (set_env_status !=
	108	BT_TRACE_SET_ENVIRONMENT_ENTRY_STATUS_OK) {
	109	BT_COMP_LOGE("Cannot copy trace's environment: "
	110	"trace-addr=%p, name=\"%s\"",
	111	out_trace, trace_name);
	112	bt_current_thread_clear_error();
	113	goto end;
	114	}
	115	}
	116
475e740e	117	BT_COMP_LOGD("Copied content of trace: in-t-addr=%p, out-t-addr=%p",
58f6d595 FD	118	in_trace, out_trace);
	119	end:
	120	return;
	121	}
	122
	123	BT_HIDDEN
a07aba4f	124	void copy_stream_content(const bt_stream in_stream, bt_stream out_stream,
475e740e	125	bt_logging_level log_level, bt_self_component *self_comp)
58f6d595	126	{
58f6d595	127	const char *stream_name;
fb25b9e3	128	bt_stream_set_name_status status;
58f6d595	129
475e740e	130	BT_COMP_LOGD("Copying content of stream: in-s-addr=%p, out-s-addr=%p",
58f6d595 FD	131	in_stream, out_stream);
58f6d595 FD	132
58f6d595 FD	133	stream_name = bt_stream_get_name(in_stream);
	134	if (stream_name) {
	135	status = bt_stream_set_name(out_stream, stream_name);
fb25b9e3	136	if (status != BT_STREAM_SET_NAME_STATUS_OK) {
475e740e	137	BT_COMP_LOGE("Cannot set stream's name: stream-addr=%p, "
58f6d595 FD	138	"name=%s", out_stream, stream_name);
	139	goto end;
	140	}
	141	}
	142
84ff66df PP	143	/*
	144	* Safe to use the same value object because it's frozen at this
	145	* point.
	146	*/
	147	bt_stream_set_user_attributes(out_stream,
	148	bt_stream_borrow_user_attributes_const(in_stream));
475e740e	149	BT_COMP_LOGD("Copied content of stream: in-s-addr=%p, out-s-addr=%p",
58f6d595 FD	150	in_stream, out_stream);
	151	end:
	152	return;
	153	}
	154
	155	BT_HIDDEN
a07aba4f	156	void copy_packet_content(const bt_packet in_packet, bt_packet out_packet,
475e740e	157	bt_logging_level log_level, bt_self_component *self_comp)
58f6d595 FD	158	{
	159	const bt_field *in_context_field;
	160	bt_field *out_context_field;
	161
475e740e	162	BT_COMP_LOGD("Copying content of packet: in-p-addr=%p, out-p-addr=%p",
58f6d595 FD	163	in_packet, out_packet);
	164
	165	/* Copy context field. */
	166	in_context_field = bt_packet_borrow_context_field_const(in_packet);
	167	if (in_context_field) {
	168	out_context_field = bt_packet_borrow_context_field(out_packet);
	169	BT_ASSERT(out_context_field);
a07aba4f	170	copy_field_content(in_context_field, out_context_field,
475e740e	171	log_level, self_comp);
58f6d595 FD	172	}
58f6d595 FD	173
475e740e	174	BT_COMP_LOGD("Copied content of packet: in-p-addr=%p, out-p-addr=%p",
58f6d595 FD	175	in_packet, out_packet);
	176	return;
	177	}
	178
	179	BT_HIDDEN
a07aba4f	180	void copy_event_content(const bt_event in_event, bt_event out_event,
475e740e	181	bt_logging_level log_level, bt_self_component *self_comp)
58f6d595 FD	182	{
	183	const bt_field in_common_ctx_field, in_specific_ctx_field,
	184	*in_payload_field;
	185	bt_field out_common_ctx_field, out_specific_ctx_field,
	186	*out_payload_field;
	187
475e740e	188	BT_COMP_LOGD("Copying content of event: in-e-addr=%p, out-e-addr=%p",
58f6d595 FD	189	in_event, out_event);
	190	in_common_ctx_field =
	191	bt_event_borrow_common_context_field_const(in_event);
	192	if (in_common_ctx_field) {
	193	out_common_ctx_field =
	194	bt_event_borrow_common_context_field(out_event);
	195	BT_ASSERT(out_common_ctx_field);
	196	copy_field_content(in_common_ctx_field,
475e740e	197	out_common_ctx_field, log_level, self_comp);
58f6d595 FD	198	}
	199
	200	in_specific_ctx_field =
	201	bt_event_borrow_specific_context_field_const(in_event);
	202	if (in_specific_ctx_field) {
	203	out_specific_ctx_field =
	204	bt_event_borrow_specific_context_field(out_event);
	205	BT_ASSERT(out_specific_ctx_field);
	206	copy_field_content(in_specific_ctx_field,
475e740e	207	out_specific_ctx_field, log_level, self_comp);
58f6d595 FD	208	}
	209
	210	in_payload_field = bt_event_borrow_payload_field_const(in_event);
	211	if (in_payload_field) {
	212	out_payload_field = bt_event_borrow_payload_field(out_event);
	213	BT_ASSERT(out_payload_field);
	214	copy_field_content(in_payload_field,
475e740e	215	out_payload_field, log_level, self_comp);
58f6d595 FD	216	}
58f6d595 FD	217
475e740e	218	BT_COMP_LOGD("Copied content of event: in-e-addr=%p, out-e-addr=%p",
58f6d595 FD	219	in_event, out_event);
	220	}
	221
	222	BT_HIDDEN
a07aba4f	223	void copy_field_content(const bt_field in_field, bt_field out_field,
475e740e	224	bt_logging_level log_level, bt_self_component *self_comp)
58f6d595 FD	225	{
	226	bt_field_class_type in_fc_type, out_fc_type;
	227
	228	in_fc_type = bt_field_get_class_type(in_field);
	229	out_fc_type = bt_field_get_class_type(out_field);
	230	BT_ASSERT(in_fc_type == out_fc_type);
	231
c9ecaa78	232	BT_COMP_LOGT("Copying content of field: in-f-addr=%p, out-f-addr=%p",
58f6d595 FD	233	in_field, out_field);
58f6d595 FD	234	switch (in_fc_type) {
41bdd7c1 PP	235	case BT_FIELD_CLASS_TYPE_BOOL:
	236	bt_field_bool_set_value(out_field,
	237	bt_field_bool_get_value(in_field));
	238	break;
f5f2c882 PP	239	case BT_FIELD_CLASS_TYPE_BIT_ARRAY:
	240	bt_field_bit_array_set_value_as_integer(out_field,
	241	bt_field_bit_array_get_value_as_integer(in_field));
	242	break;
58f6d595 FD	243	case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
58f6d595 FD	244	case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
60bbfc7c PP	245	bt_field_integer_unsigned_set_value(out_field,
60bbfc7c PP	246	bt_field_integer_unsigned_get_value(in_field));
58f6d595 FD	247	break;
	248	case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
	249	case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
60bbfc7c PP	250	bt_field_integer_signed_set_value(out_field,
60bbfc7c PP	251	bt_field_integer_signed_get_value(in_field));
58f6d595	252	break;
76276a81 FD	253	case BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL:
	254	bt_field_real_single_precision_set_value(out_field,
	255	bt_field_real_single_precision_get_value(in_field));
	256	break;
	257	case BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL:
	258	bt_field_real_double_precision_set_value(out_field,
	259	bt_field_real_double_precision_get_value(in_field));
58f6d595 FD	260	break;
	261	case BT_FIELD_CLASS_TYPE_STRING:
	262	{
	263	const char *str = bt_field_string_get_value(in_field);
fb25b9e3 PP	264	bt_field_string_set_value_status status =
	265	bt_field_string_set_value(out_field, str);
	266	if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) {
475e740e	267	BT_COMP_LOGE("Cannot set string field's value: "
58f6d595 FD	268	"str-field-addr=%p, str=%s" PRId64,
58f6d595 FD	269	out_field, str);
0fb60f5d PP	270	bt_current_thread_clear_error();
0fb60f5d PP	271
58f6d595 FD	272	}
	273	break;
	274	}
	275	case BT_FIELD_CLASS_TYPE_STRUCTURE:
	276	{
	277	uint64_t i, nb_member_struct;
	278	const bt_field *in_member_field;
	279	bt_field *out_member_field;
e24f271a	280	const bt_field_class *in_field_class;
58f6d595 FD	281	const char *in_member_name;
	282
	283	in_field_class = bt_field_borrow_class_const(in_field);
	284	nb_member_struct = bt_field_class_structure_get_member_count(
	285	in_field_class);
	286
	287	/*
	288	* Iterate over the fields by names in the input field to avoid
	289	* problem if the struct fields are not in the same order after
	290	* the debug-info was added.
	291	*/
	292	for (i = 0; i < nb_member_struct; i++) {
e24f271a PP	293	const bt_field_class_structure_member *member =
	294	bt_field_class_structure_borrow_member_by_index_const(
	295	in_field_class, i);
58f6d595	296
e24f271a PP	297	in_member_name =
	298	bt_field_class_structure_member_get_name(
	299	member);
58f6d595 FD	300	in_member_field =
	301	bt_field_structure_borrow_member_field_by_name_const(
	302	in_field, in_member_name);
	303	out_member_field =
	304	bt_field_structure_borrow_member_field_by_name(
	305	out_field, in_member_name);
	306
	307	copy_field_content(in_member_field,
475e740e	308	out_member_field, log_level, self_comp);
58f6d595 FD	309	}
	310	break;
	311	}
	312	case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
	313	/* fall through */
	314	case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
	315	{
	316	const bt_field *in_element_field;
	317	bt_field *out_element_field;
	318	uint64_t i, array_len;
60bbfc7c	319	bt_field_array_dynamic_set_length_status set_len_status;
58f6d595 FD	320
	321	array_len = bt_field_array_get_length(in_field);
	322
	323	if (in_fc_type == BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY) {
60bbfc7c	324	set_len_status = bt_field_array_dynamic_set_length(
fb25b9e3 PP	325	out_field, array_len);
	326	if (set_len_status !=
	327	BT_FIELD_DYNAMIC_ARRAY_SET_LENGTH_STATUS_OK) {
475e740e	328	BT_COMP_LOGE("Cannot set dynamic array field's "
58f6d595 FD	329	"length field: field-addr=%p, "
58f6d595 FD	330	"length=%" PRIu64, out_field, array_len);
0fb60f5d	331	bt_current_thread_clear_error();
58f6d595 FD	332	}
	333	}
	334
	335	for (i = 0; i < array_len; i++) {
	336	in_element_field =
	337	bt_field_array_borrow_element_field_by_index_const(
fb25b9e3	338	in_field, i);
58f6d595 FD	339	out_element_field =
58f6d595 FD	340	bt_field_array_borrow_element_field_by_index(
fb25b9e3	341	out_field, i);
a07aba4f	342	copy_field_content(in_element_field, out_element_field,
475e740e	343	log_level, self_comp);
58f6d595 FD	344	}
	345	break;
	346	}
467673c1 PP	347	case BT_FIELD_CLASS_TYPE_OPTION_WITHOUT_SELECTOR:
	348	case BT_FIELD_CLASS_TYPE_OPTION_WITH_BOOL_SELECTOR:
	349	case BT_FIELD_CLASS_TYPE_OPTION_WITH_UNSIGNED_INTEGER_SELECTOR:
	350	case BT_FIELD_CLASS_TYPE_OPTION_WITH_SIGNED_INTEGER_SELECTOR:
978237e9 PP	351	{
	352	const bt_field *in_option_field;
	353	bt_field *out_option_field;
	354
	355	in_option_field = bt_field_option_borrow_field_const(in_field);
	356
	357	if (in_option_field) {
	358	bt_field_option_set_has_field(out_field, BT_TRUE);
	359	out_option_field = bt_field_option_borrow_field(
	360	out_field);
	361	BT_ASSERT(out_option_field);
	362	copy_field_content(in_option_field, out_option_field,
	363	log_level, self_comp);
	364	} else {
	365	bt_field_option_set_has_field(out_field, BT_FALSE);
	366	}
	367
	368	break;
	369	}
02b61fe0 PP	370	case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
	371	case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
	372	case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
58f6d595	373	{
02b61fe0	374	bt_field_variant_select_option_field_by_index_status sel_opt_status;
58f6d595 FD	375	uint64_t in_selected_option_idx;
	376	const bt_field *in_option_field;
	377	bt_field *out_option_field;
	378
	379	in_selected_option_idx =
	380	bt_field_variant_get_selected_option_field_index(
	381	in_field);
02b61fe0	382	sel_opt_status = bt_field_variant_select_option_field_by_index(out_field,
58f6d595	383	in_selected_option_idx);
fb25b9e3 PP	384	if (sel_opt_status !=
fb25b9e3 PP	385	BT_FIELD_VARIANT_SELECT_OPTION_FIELD_STATUS_OK) {
475e740e	386	BT_COMP_LOGE("Cannot select variant field's option field: "
58f6d595 FD	387	"var-field-addr=%p, opt-index=%" PRId64,
58f6d595 FD	388	out_field, in_selected_option_idx);
0fb60f5d	389	bt_current_thread_clear_error();
58f6d595 FD	390	}
	391
	392	in_option_field = bt_field_variant_borrow_selected_option_field_const(in_field);
	393	out_option_field = bt_field_variant_borrow_selected_option_field(out_field);
	394
a07aba4f	395	copy_field_content(in_option_field, out_option_field,
475e740e	396	log_level, self_comp);
58f6d595 FD	397
	398	break;
	399	}
	400	default:
	401	abort();
	402	}
c9ecaa78	403	BT_COMP_LOGT("Copied content of field: in-f-addr=%p, out-f-addr=%p",
58f6d595 FD	404	in_field, out_field);
58f6d595 FD	405	}