[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_DBG(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_DBG(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_DBG(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_DBG(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);

	if (in_fc_type == BT_FIELD_CLASS_TYPE_BOOL) {
		bt_field_bool_set_value(out_field,
			bt_field_bool_get_value(in_field));
	} else if (in_fc_type == 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));
	} else if (bt_field_class_type_is(in_fc_type,
			BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER)) {
		bt_field_integer_unsigned_set_value(out_field,
				bt_field_integer_unsigned_get_value(in_field));
	} else if (bt_field_class_type_is(in_fc_type,
			BT_FIELD_CLASS_TYPE_SIGNED_INTEGER)) {
		bt_field_integer_signed_set_value(out_field,
				bt_field_integer_signed_get_value(in_field));
	} else if (in_fc_type == 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));
	} else if (in_fc_type == 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));
	} else if (in_fc_type == 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();

		}
	} else if (in_fc_type == 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);
		}
	} else if (bt_field_class_type_is(in_fc_type,
			BT_FIELD_CLASS_TYPE_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 (bt_field_class_type_is(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);
		}
	} else if (bt_field_class_type_is(in_fc_type,
			BT_FIELD_CLASS_TYPE_OPTION)) {
		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_DBG(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);
		}
	} else if (bt_field_class_type_is(in_fc_type,
			BT_FIELD_CLASS_TYPE_VARIANT)) {
		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);
	} else {
		abort();
	}

	BT_COMP_LOGT("Copied content of field: in-f-addr=%p, out-f-addr=%p",
			in_field, out_field);
}
Commit	Line	Data
ca9f27f3 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
91bc8451	26	#define BT_COMP_LOG_SELF_COMP self_comp
3a3d15f3	27	#define BT_LOG_OUTPUT_LEVEL log_level
350ad6c1	28	#define BT_LOG_TAG "PLUGIN/FLT.LTTNG-UTILS.DEBUG-INFO/TRACE-IR-DATA-COPY"
d9c39b0a	29	#include "logging/comp-logging.h"
ca9f27f3 FD	30
	31	#include <inttypes.h>
	32	#include <stdint.h>
	33
578e048b	34	#include "common/assert.h"
ca9f27f3 FD	35
	36	#include "trace-ir-data-copy.h"
	37
	38	BT_HIDDEN
3a3d15f3	39	void copy_trace_content(const bt_trace in_trace, bt_trace out_trace,
91bc8451	40	bt_logging_level log_level, bt_self_component *self_comp)
ca9f27f3	41	{
d24d5663	42	bt_trace_set_name_status status;
ca9f27f3	43	const char *trace_name;
335a2da5	44	uint64_t i, env_field_count;
ca9f27f3	45
91bc8451	46	BT_COMP_LOGD("Copying content of trace: in-t-addr=%p, out-t-addr=%p",
ca9f27f3	47	in_trace, out_trace);
ca9f27f3 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);
d24d5663	52	if (status != BT_TRACE_SET_NAME_STATUS_OK) {
91bc8451	53	BT_COMP_LOGE("Cannot set trace's name: trace-addr=%p, name=\"%s\"",
d24d5663	54	out_trace, trace_name);
b80991f6	55	bt_current_thread_clear_error();
ca9f27f3 FD	56	goto end;
	57	}
	58	}
	59
ce45f74a 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
335a2da5 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)) {
bc463d34 FD	93	set_env_status = bt_trace_set_environment_entry_integer(
	94	out_trace, value_name,
	95	bt_value_integer_signed_get( value));
335a2da5	96	} else if (bt_value_is_string(value)) {
bc463d34 FD	97	set_env_status = bt_trace_set_environment_entry_string(
	98	out_trace, value_name,
	99	bt_value_string_get(value));
335a2da5 PP	100	} else {
	101	abort();
	102	}
	103
bc463d34	104	if (set_env_status != BT_TRACE_SET_ENVIRONMENT_ENTRY_STATUS_OK) {
335a2da5 PP	105	BT_COMP_LOGE("Cannot copy trace's environment: "
	106	"trace-addr=%p, name=\"%s\"",
	107	out_trace, trace_name);
	108	bt_current_thread_clear_error();
	109	goto end;
	110	}
	111	}
	112
91bc8451	113	BT_COMP_LOGD("Copied content of trace: in-t-addr=%p, out-t-addr=%p",
ca9f27f3 FD	114	in_trace, out_trace);
	115	end:
	116	return;
	117	}
	118
	119	BT_HIDDEN
3a3d15f3	120	void copy_stream_content(const bt_stream in_stream, bt_stream out_stream,
91bc8451	121	bt_logging_level log_level, bt_self_component *self_comp)
ca9f27f3	122	{
ca9f27f3	123	const char *stream_name;
d24d5663	124	bt_stream_set_name_status status;
ca9f27f3	125
91bc8451	126	BT_COMP_LOGD("Copying content of stream: in-s-addr=%p, out-s-addr=%p",
ca9f27f3 FD	127	in_stream, out_stream);
ca9f27f3 FD	128
ca9f27f3 FD	129	stream_name = bt_stream_get_name(in_stream);
	130	if (stream_name) {
	131	status = bt_stream_set_name(out_stream, stream_name);
d24d5663	132	if (status != BT_STREAM_SET_NAME_STATUS_OK) {
91bc8451	133	BT_COMP_LOGE("Cannot set stream's name: stream-addr=%p, "
ca9f27f3 FD	134	"name=%s", out_stream, stream_name);
	135	goto end;
	136	}
	137	}
	138
ce45f74a PP	139	/*
	140	* Safe to use the same value object because it's frozen at this
	141	* point.
	142	*/
	143	bt_stream_set_user_attributes(out_stream,
	144	bt_stream_borrow_user_attributes_const(in_stream));
91bc8451	145	BT_COMP_LOGD("Copied content of stream: in-s-addr=%p, out-s-addr=%p",
ca9f27f3 FD	146	in_stream, out_stream);
	147	end:
	148	return;
	149	}
	150
	151	BT_HIDDEN
3a3d15f3	152	void copy_packet_content(const bt_packet in_packet, bt_packet out_packet,
91bc8451	153	bt_logging_level log_level, bt_self_component *self_comp)
ca9f27f3 FD	154	{
	155	const bt_field *in_context_field;
	156	bt_field *out_context_field;
	157
91bc8451	158	BT_COMP_LOGD("Copying content of packet: in-p-addr=%p, out-p-addr=%p",
ca9f27f3 FD	159	in_packet, out_packet);
	160
	161	/* Copy context field. */
	162	in_context_field = bt_packet_borrow_context_field_const(in_packet);
	163	if (in_context_field) {
	164	out_context_field = bt_packet_borrow_context_field(out_packet);
	165	BT_ASSERT(out_context_field);
3a3d15f3	166	copy_field_content(in_context_field, out_context_field,
91bc8451	167	log_level, self_comp);
ca9f27f3 FD	168	}
ca9f27f3 FD	169
91bc8451	170	BT_COMP_LOGD("Copied content of packet: in-p-addr=%p, out-p-addr=%p",
ca9f27f3 FD	171	in_packet, out_packet);
	172	return;
	173	}
	174
	175	BT_HIDDEN
3a3d15f3	176	void copy_event_content(const bt_event in_event, bt_event out_event,
91bc8451	177	bt_logging_level log_level, bt_self_component *self_comp)
ca9f27f3 FD	178	{
	179	const bt_field in_common_ctx_field, in_specific_ctx_field,
	180	*in_payload_field;
	181	bt_field out_common_ctx_field, out_specific_ctx_field,
	182	*out_payload_field;
	183
91bc8451	184	BT_COMP_LOGD("Copying content of event: in-e-addr=%p, out-e-addr=%p",
ca9f27f3 FD	185	in_event, out_event);
	186	in_common_ctx_field =
	187	bt_event_borrow_common_context_field_const(in_event);
	188	if (in_common_ctx_field) {
	189	out_common_ctx_field =
	190	bt_event_borrow_common_context_field(out_event);
98b15851	191	BT_ASSERT_DBG(out_common_ctx_field);
ca9f27f3	192	copy_field_content(in_common_ctx_field,
91bc8451	193	out_common_ctx_field, log_level, self_comp);
ca9f27f3 FD	194	}
	195
	196	in_specific_ctx_field =
	197	bt_event_borrow_specific_context_field_const(in_event);
	198	if (in_specific_ctx_field) {
	199	out_specific_ctx_field =
	200	bt_event_borrow_specific_context_field(out_event);
98b15851	201	BT_ASSERT_DBG(out_specific_ctx_field);
ca9f27f3	202	copy_field_content(in_specific_ctx_field,
91bc8451	203	out_specific_ctx_field, log_level, self_comp);
ca9f27f3 FD	204	}
	205
	206	in_payload_field = bt_event_borrow_payload_field_const(in_event);
	207	if (in_payload_field) {
	208	out_payload_field = bt_event_borrow_payload_field(out_event);
98b15851	209	BT_ASSERT_DBG(out_payload_field);
ca9f27f3	210	copy_field_content(in_payload_field,
91bc8451	211	out_payload_field, log_level, self_comp);
ca9f27f3 FD	212	}
ca9f27f3 FD	213
91bc8451	214	BT_COMP_LOGD("Copied content of event: in-e-addr=%p, out-e-addr=%p",
ca9f27f3 FD	215	in_event, out_event);
	216	}
	217
	218	BT_HIDDEN
3a3d15f3	219	void copy_field_content(const bt_field in_field, bt_field out_field,
91bc8451	220	bt_logging_level log_level, bt_self_component *self_comp)
ca9f27f3 FD	221	{
	222	bt_field_class_type in_fc_type, out_fc_type;
	223
	224	in_fc_type = bt_field_get_class_type(in_field);
	225	out_fc_type = bt_field_get_class_type(out_field);
98b15851	226	BT_ASSERT_DBG(in_fc_type == out_fc_type);
ca9f27f3	227
ef267d12	228	BT_COMP_LOGT("Copying content of field: in-f-addr=%p, out-f-addr=%p",
ca9f27f3	229	in_field, out_field);
ebdb6693 PP	230
ebdb6693 PP	231	if (in_fc_type == BT_FIELD_CLASS_TYPE_BOOL) {
f7cfbcc3 PP	232	bt_field_bool_set_value(out_field,
f7cfbcc3 PP	233	bt_field_bool_get_value(in_field));
ebdb6693	234	} else if (in_fc_type == BT_FIELD_CLASS_TYPE_BIT_ARRAY) {
dc7ac074 PP	235	bt_field_bit_array_set_value_as_integer(out_field,
dc7ac074 PP	236	bt_field_bit_array_get_value_as_integer(in_field));
ebdb6693 PP	237	} else if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	238	BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER)) {
9c08c816 PP	239	bt_field_integer_unsigned_set_value(out_field,
9c08c816 PP	240	bt_field_integer_unsigned_get_value(in_field));
ebdb6693 PP	241	} else if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	242	BT_FIELD_CLASS_TYPE_SIGNED_INTEGER)) {
9c08c816 PP	243	bt_field_integer_signed_set_value(out_field,
9c08c816 PP	244	bt_field_integer_signed_get_value(in_field));
ebdb6693	245	} else if (in_fc_type == BT_FIELD_CLASS_TYPE_SINGLE_PRECISION_REAL) {
fe4df857 FD	246	bt_field_real_single_precision_set_value(out_field,
fe4df857 FD	247	bt_field_real_single_precision_get_value(in_field));
ebdb6693	248	} else if (in_fc_type == BT_FIELD_CLASS_TYPE_DOUBLE_PRECISION_REAL) {
fe4df857 FD	249	bt_field_real_double_precision_set_value(out_field,
fe4df857 FD	250	bt_field_real_double_precision_get_value(in_field));
ebdb6693	251	} else if (in_fc_type == BT_FIELD_CLASS_TYPE_STRING) {
ca9f27f3	252	const char *str = bt_field_string_get_value(in_field);
d24d5663 PP	253	bt_field_string_set_value_status status =
	254	bt_field_string_set_value(out_field, str);
	255	if (status != BT_FIELD_STRING_SET_VALUE_STATUS_OK) {
91bc8451	256	BT_COMP_LOGE("Cannot set string field's value: "
ca9f27f3 FD	257	"str-field-addr=%p, str=%s" PRId64,
ca9f27f3 FD	258	out_field, str);
b80991f6 PP	259	bt_current_thread_clear_error();
b80991f6 PP	260
ca9f27f3	261	}
ebdb6693	262	} else if (in_fc_type == BT_FIELD_CLASS_TYPE_STRUCTURE) {
ca9f27f3 FD	263	uint64_t i, nb_member_struct;
	264	const bt_field *in_member_field;
	265	bt_field *out_member_field;
1e6fd1d7	266	const bt_field_class *in_field_class;
ca9f27f3 FD	267	const char *in_member_name;
	268
	269	in_field_class = bt_field_borrow_class_const(in_field);
	270	nb_member_struct = bt_field_class_structure_get_member_count(
	271	in_field_class);
	272
	273	/*
	274	* Iterate over the fields by names in the input field to avoid
	275	* problem if the struct fields are not in the same order after
	276	* the debug-info was added.
	277	*/
	278	for (i = 0; i < nb_member_struct; i++) {
1e6fd1d7 PP	279	const bt_field_class_structure_member *member =
	280	bt_field_class_structure_borrow_member_by_index_const(
	281	in_field_class, i);
ca9f27f3	282
1e6fd1d7 PP	283	in_member_name =
	284	bt_field_class_structure_member_get_name(
	285	member);
ca9f27f3 FD	286	in_member_field =
ca9f27f3 FD	287	bt_field_structure_borrow_member_field_by_name_const(
bc463d34	288	in_field, in_member_name);
ca9f27f3 FD	289	out_member_field =
ca9f27f3 FD	290	bt_field_structure_borrow_member_field_by_name(
bc463d34	291	out_field, in_member_name);
ca9f27f3 FD	292
ca9f27f3 FD	293	copy_field_content(in_member_field,
91bc8451	294	out_member_field, log_level, self_comp);
ca9f27f3	295	}
ebdb6693 PP	296	} else if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	297	BT_FIELD_CLASS_TYPE_ARRAY)) {
ca9f27f3 FD	298	const bt_field *in_element_field;
	299	bt_field *out_element_field;
	300	uint64_t i, array_len;
9c08c816	301	bt_field_array_dynamic_set_length_status set_len_status;
ca9f27f3 FD	302
	303	array_len = bt_field_array_get_length(in_field);
	304
ebdb6693 PP	305	if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	306	BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY)) {
9c08c816	307	set_len_status = bt_field_array_dynamic_set_length(
d24d5663 PP	308	out_field, array_len);
	309	if (set_len_status !=
	310	BT_FIELD_DYNAMIC_ARRAY_SET_LENGTH_STATUS_OK) {
91bc8451	311	BT_COMP_LOGE("Cannot set dynamic array field's "
ca9f27f3 FD	312	"length field: field-addr=%p, "
ca9f27f3 FD	313	"length=%" PRIu64, out_field, array_len);
b80991f6	314	bt_current_thread_clear_error();
ca9f27f3 FD	315	}
	316	}
	317
	318	for (i = 0; i < array_len; i++) {
	319	in_element_field =
	320	bt_field_array_borrow_element_field_by_index_const(
d24d5663	321	in_field, i);
ca9f27f3 FD	322	out_element_field =
ca9f27f3 FD	323	bt_field_array_borrow_element_field_by_index(
d24d5663	324	out_field, i);
3a3d15f3	325	copy_field_content(in_element_field, out_element_field,
91bc8451	326	log_level, self_comp);
ca9f27f3	327	}
ebdb6693 PP	328	} else if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	329	BT_FIELD_CLASS_TYPE_OPTION)) {
f29ef814 PP	330	const bt_field *in_option_field;
	331	bt_field *out_option_field;
	332
	333	in_option_field = bt_field_option_borrow_field_const(in_field);
	334
	335	if (in_option_field) {
	336	bt_field_option_set_has_field(out_field, BT_TRUE);
	337	out_option_field = bt_field_option_borrow_field(
	338	out_field);
98b15851	339	BT_ASSERT_DBG(out_option_field);
f29ef814 PP	340	copy_field_content(in_option_field, out_option_field,
	341	log_level, self_comp);
	342	} else {
	343	bt_field_option_set_has_field(out_field, BT_FALSE);
	344	}
ebdb6693 PP	345	} else if (bt_field_class_type_is(in_fc_type,
ebdb6693 PP	346	BT_FIELD_CLASS_TYPE_VARIANT)) {
45c51519	347	bt_field_variant_select_option_field_by_index_status sel_opt_status;
ca9f27f3 FD	348	uint64_t in_selected_option_idx;
	349	const bt_field *in_option_field;
	350	bt_field *out_option_field;
	351
	352	in_selected_option_idx =
	353	bt_field_variant_get_selected_option_field_index(
bc463d34	354	in_field);
45c51519	355	sel_opt_status = bt_field_variant_select_option_field_by_index(out_field,
bc463d34	356	in_selected_option_idx);
d24d5663 PP	357	if (sel_opt_status !=
d24d5663 PP	358	BT_FIELD_VARIANT_SELECT_OPTION_FIELD_STATUS_OK) {
91bc8451	359	BT_COMP_LOGE("Cannot select variant field's option field: "
ca9f27f3 FD	360	"var-field-addr=%p, opt-index=%" PRId64,
ca9f27f3 FD	361	out_field, in_selected_option_idx);
b80991f6	362	bt_current_thread_clear_error();
ca9f27f3 FD	363	}
	364
	365	in_option_field = bt_field_variant_borrow_selected_option_field_const(in_field);
	366	out_option_field = bt_field_variant_borrow_selected_option_field(out_field);
	367
3a3d15f3	368	copy_field_content(in_option_field, out_option_field,
91bc8451	369	log_level, self_comp);
ebdb6693	370	} else {
ca9f27f3 FD	371	abort();
ca9f27f3 FD	372	}
ebdb6693	373
ef267d12	374	BT_COMP_LOGT("Copied content of field: in-f-addr=%p, out-f-addr=%p",
ca9f27f3 FD	375	in_field, out_field);
ca9f27f3 FD	376	}