--- /dev/null
+/*
+ * writer.c
+ *
+ * Babeltrace CTF Writer Output Plugin Event Handling
+ *
+ * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * Author: Jérémie Galarneau <jeremie.galarneau@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.
+ */
+
+#include <babeltrace/ctf-ir/event.h>
+#include <babeltrace/ctf-ir/packet.h>
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/stream.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/ctf-ir/clock.h>
+#include <babeltrace/ctf-ir/fields.h>
+#include <babeltrace/ctf-writer/stream-class.h>
+#include <babeltrace/ctf-writer/stream.h>
+
+#include "writer.h"
+
+static
+void tmp_clock(struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *writer_stream_class,
+ struct bt_ctf_clock *writer_clock)
+{
+ const char *clock_description = "This is a test clock";
+ const uint64_t frequency = 1000000000ULL;
+ const uint64_t offset_s = 1351530929945824323;
+ const uint64_t precision = 10;
+ const int is_absolute = 0xFF;
+
+ bt_ctf_clock_set_description(writer_clock, clock_description);
+ bt_ctf_clock_set_frequency(writer_clock, frequency);
+ bt_ctf_clock_set_offset_s(writer_clock, offset_s);
+ bt_ctf_clock_set_precision(writer_clock, precision);
+ bt_ctf_clock_set_is_absolute(writer_clock, is_absolute);
+ bt_ctf_writer_add_clock(writer, writer_clock);
+ bt_ctf_stream_class_set_clock(writer_stream_class, writer_clock);
+}
+
+static
+enum bt_component_status copy_clock(FILE *err, struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *writer_stream_class,
+ struct bt_ctf_clock *clock,
+ struct bt_ctf_clock *writer_clock)
+{
+ enum bt_component_status ret;
+ int64_t offset, offset_s;
+ int int_ret;
+ uint64_t u64_ret;
+ const char *name, *description;
+
+ name = bt_ctf_clock_get_name(clock);
+ if (!name) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ writer_clock = bt_ctf_clock_create(name);
+ if (!writer_clock) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ description = bt_ctf_clock_get_description(clock);
+ if (!description) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_set_description(writer_clock,
+ description);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ u64_ret = bt_ctf_clock_get_frequency(clock);
+ if (u64_ret == -1ULL) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+ int_ret = bt_ctf_clock_set_frequency(writer_clock, u64_ret);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ u64_ret = bt_ctf_clock_get_precision(clock);
+ if (u64_ret == -1ULL) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+ int_ret = bt_ctf_clock_set_precision(writer_clock, u64_ret);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_get_offset_s(clock, &offset_s);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_set_offset_s(writer_clock, offset_s);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_get_offset(clock, &offset);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_set_offset(writer_clock, offset);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ int_ret = bt_ctf_clock_get_is_absolute(clock);
+ if (int_ret == -1) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+ int_ret = bt_ctf_clock_set_is_absolute(writer_clock, int_ret);
+ if (int_ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ ret = bt_ctf_writer_add_clock(writer, writer_clock);
+ if (ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+
+ ret = bt_ctf_stream_class_set_clock(writer_stream_class,
+ writer_clock);
+ if (ret != 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_destroy;
+ }
+ /*
+ * Ownership transferred to the writer and the stream_class.
+ */
+ bt_put(writer_clock);
+
+ ret = BT_COMPONENT_STATUS_OK;
+ goto end;
+
+end_destroy:
+ bt_put(writer_clock);
+end:
+ return ret;
+}
+
+static
+struct bt_ctf_event_class *copy_event_class(FILE *err, struct bt_ctf_event_class *event_class)
+{
+ struct bt_ctf_event_class *writer_event_class = NULL;
+ const char *name;
+ struct bt_ctf_field_type *context;
+ int count, i, ret;
+
+ name = bt_ctf_event_class_get_name(event_class);
+ if (!name) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end;
+ }
+
+ writer_event_class = bt_ctf_event_class_create(name);
+ if (!writer_event_class) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end;
+ }
+
+ count = bt_ctf_event_class_get_attribute_count(event_class);
+ for (i = 0; i < count; i++) {
+ const char *attr_name;
+ struct bt_value *attr_value;
+ int ret;
+
+ attr_name = bt_ctf_event_class_get_attribute_name(event_class, i);
+ if (!attr_name) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ BT_PUT(writer_event_class);
+ goto end;
+ }
+ attr_value = bt_ctf_event_class_get_attribute_value(event_class, i);
+ if (!attr_value) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ BT_PUT(writer_event_class);
+ goto end;
+ }
+
+ ret = bt_ctf_event_class_set_attribute(writer_event_class,
+ attr_name, attr_value);
+ if (ret < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ BT_PUT(writer_event_class);
+ goto end;
+ }
+ }
+
+ context = bt_ctf_event_class_get_context_type(event_class);
+ if (!context) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ ret = bt_ctf_event_class_set_context_type(writer_event_class, context);
+ if (ret < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ count = bt_ctf_event_class_get_field_count(event_class);
+ for (i = 0; i < count; i++) {
+ const char *field_name;
+ struct bt_ctf_field_type *field_type;
+ int ret;
+
+ ret = bt_ctf_event_class_get_field(event_class, &field_name,
+ &field_type, i);
+ if (ret < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ BT_PUT(writer_event_class);
+ goto end;
+ }
+
+ ret = bt_ctf_event_class_add_field(writer_event_class, field_type,
+ field_name);
+ if (ret < 0) {
+ fprintf(err, "[error] Cannot add field %s\n", field_name);
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ bt_put(field_type);
+ BT_PUT(writer_event_class);
+ goto end;
+ }
+ bt_put(field_type);
+ }
+
+end:
+ return writer_event_class;
+}
+
+static
+enum bt_component_status copy_event_classes(FILE *err,
+ struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream_class *writer_stream_class)
+{
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ int count, i;
+
+ count = bt_ctf_stream_class_get_event_class_count(stream_class);
+ if (count < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end;
+ }
+
+ for (i = 0; i < count; i++) {
+ struct bt_ctf_event_class *event_class, *writer_event_class;
+ int int_ret;
+
+ event_class = bt_ctf_stream_class_get_event_class(
+ stream_class, i);
+ if (!event_class) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ bt_put(event_class);
+ goto end;
+ }
+ writer_event_class = copy_event_class(err, event_class);
+ if (!writer_event_class) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ bt_put(event_class);
+ goto end;
+ }
+ int_ret = bt_ctf_stream_class_add_event_class(writer_stream_class,
+ writer_event_class);
+ if (int_ret < 0) {
+ fprintf(err, "[error] Failed to add event class\n");
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ bt_put(event_class);
+ goto end;
+ }
+ bt_put(event_class);
+ }
+
+end:
+ return ret;
+}
+
+static
+enum bt_component_status copy_stream_class(FILE *err,
+ struct bt_ctf_writer *writer,
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream_class *writer_stream_class)
+{
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ struct bt_ctf_field_type *type;
+ int ret_int;
+ struct bt_ctf_clock *writer_clock;
+
+ writer_clock = bt_ctf_clock_create("monotonic");
+ if (!writer_clock) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] Failed to create clock\n");
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ tmp_clock(writer, writer_stream_class, writer_clock);
+
+ /*
+ * FIXME: waiting for the clock to work
+ *
+ struct bt_ctf_clock *clock;
+ clock = bt_ctf_stream_class_get_clock(stream_class);
+ if (!clock) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end;
+ }
+ ret = copy_clock(err, writer, writer_stream_class, clock, writer_clock);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ goto end_put_clock;
+ }
+ */
+
+ type = bt_ctf_stream_class_get_packet_context_type(stream_class);
+ if (!type) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ ret_int = bt_ctf_stream_class_set_packet_context_type(
+ writer_stream_class, type);
+ if (ret_int < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ type = bt_ctf_stream_class_get_event_header_type(stream_class);
+ if (!type) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ ret_int = bt_ctf_stream_class_set_event_header_type(
+ writer_stream_class, type);
+ if (ret_int < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ type = bt_ctf_stream_class_get_event_context_type(stream_class);
+ if (!type) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ ret_int = bt_ctf_stream_class_set_event_context_type(
+ writer_stream_class, type);
+ if (ret_int < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+ ret = copy_event_classes(err, writer, stream_class, writer_stream_class);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ fprintf(err, "[error] Failed to copy event classes\n");
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_clock;
+ }
+
+end_put_clock:
+// bt_put(clock);
+end:
+ return ret;
+}
+
+static
+enum bt_component_status copy_trace(FILE *err, struct bt_ctf_writer *ctf_writer,
+ struct bt_ctf_trace *trace)
+{
+ struct bt_ctf_trace *writer_trace;
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ int field_count, i, int_ret;
+ struct bt_ctf_field_type *header_type;
+
+ writer_trace = bt_ctf_writer_get_trace(ctf_writer);
+ if (!writer_trace) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ field_count = bt_ctf_trace_get_environment_field_count(trace);
+ for (i = 0; i < field_count; i++) {
+ int ret_int;
+ const char *name;
+ struct bt_value *value;
+
+ name = bt_ctf_trace_get_environment_field_name(trace, i);
+ if (!name) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_trace;
+ }
+ value = bt_ctf_trace_get_environment_field_value(trace, i);
+ if (!value) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_trace;
+ }
+
+ ret_int = bt_ctf_trace_set_environment_field(writer_trace,
+ name, value);
+ if (ret_int < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ fprintf(err, "[error] Unable to set environment field %s\n",
+ name);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_trace;
+ }
+ }
+
+ header_type = bt_ctf_trace_get_packet_header_type(writer_trace);
+ if (!header_type) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_trace;
+ }
+
+ int_ret = bt_ctf_trace_set_packet_header_type(writer_trace, header_type);
+ if (int_ret < 0) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_header_type;
+ }
+
+end_put_header_type:
+ bt_put(header_type);
+end_put_writer_trace:
+ bt_put(writer_trace);
+end:
+ return ret;
+}
+
+static
+struct bt_ctf_stream_class *insert_new_stream_class(
+ struct writer_component *writer_component,
+ struct bt_ctf_writer *ctf_writer,
+ struct bt_ctf_stream_class *stream_class)
+{
+ struct bt_ctf_stream_class *writer_stream_class;
+ const char *name = bt_ctf_stream_class_get_name(stream_class);
+ enum bt_component_status ret;
+
+ if (strlen(name) == 0) {
+ name = NULL;
+ }
+
+ writer_stream_class = bt_ctf_stream_class_create(name);
+ if (!writer_stream_class) {
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ ret = copy_stream_class(writer_component->err,
+ ctf_writer, stream_class, writer_stream_class);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ fprintf(writer_component->err, "[error] Failed to copy stream class\n");
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ BT_PUT(writer_stream_class);
+ goto end;
+ }
+ g_hash_table_insert(writer_component->stream_class_map,
+ (gpointer) stream_class, writer_stream_class);
+
+end:
+ return writer_stream_class;
+}
+
+static
+struct bt_ctf_stream *insert_new_stream(
+ struct writer_component *writer_component,
+ struct bt_ctf_writer *ctf_writer,
+ struct bt_ctf_stream_class *stream_class,
+ struct bt_ctf_stream *stream)
+{
+ struct bt_ctf_stream *writer_stream;
+ struct bt_ctf_stream_class *writer_stream_class;
+
+ writer_stream_class = g_hash_table_lookup(
+ writer_component->stream_class_map,
+ (gpointer) stream_class);
+ if (writer_stream_class) {
+ if (!bt_get(writer_stream_class)) {
+ writer_stream = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+ } else {
+ writer_stream_class = insert_new_stream_class(
+ writer_component, ctf_writer, stream_class);
+ if (!writer_stream_class) {
+ writer_stream = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put;
+ }
+ }
+
+ writer_stream = bt_ctf_writer_create_stream(ctf_writer,
+ writer_stream_class);
+ if (!writer_stream) {
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put;
+ }
+
+ g_hash_table_insert(writer_component->stream_map, (gpointer) stream,
+ writer_stream);
+
+ bt_ctf_writer_flush_metadata(ctf_writer);
+
+end_put:
+ bt_put(writer_stream_class);
+end:
+ return writer_stream;
+}
+
+static
+struct bt_ctf_stream *lookup_stream(struct writer_component *writer_component,
+ struct bt_ctf_stream *stream)
+{
+ return (struct bt_ctf_stream *) g_hash_table_lookup(
+ writer_component->stream_map,
+ (gpointer) stream);
+}
+
+static
+struct bt_ctf_event_class *get_event_class(struct writer_component *writer_component,
+ struct bt_ctf_stream_class *writer_stream_class,
+ struct bt_ctf_event_class *event_class)
+{
+ return bt_ctf_stream_class_get_event_class_by_name(writer_stream_class,
+ bt_ctf_event_class_get_name(event_class));
+}
+
+struct bt_ctf_writer *insert_new_writer(
+ struct writer_component *writer_component,
+ struct bt_ctf_trace *trace)
+{
+ struct bt_ctf_writer *ctf_writer;
+ char trace_name[PATH_MAX];
+ enum bt_component_status ret;
+
+ snprintf(trace_name, PATH_MAX, "%s/%s_%03d",
+ writer_component->base_path,
+ writer_component->trace_name_base,
+ writer_component->trace_id++);
+ printf_verbose("CTF-Writer creating trace in %s\n", trace_name);
+
+ ctf_writer = bt_ctf_writer_create(trace_name);
+ if (!ctf_writer) {
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ ret = copy_trace(writer_component->err, ctf_writer, trace);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ fprintf(writer_component->err, "[error] Failed to copy trace\n");
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ BT_PUT(ctf_writer);
+ goto end;
+ }
+
+ g_hash_table_insert(writer_component->trace_map, (gpointer) trace,
+ ctf_writer);
+
+end:
+ return ctf_writer;
+}
+
+static
+struct bt_ctf_writer *get_writer(struct writer_component *writer_component,
+ struct bt_ctf_stream_class *stream_class)
+{
+ struct bt_ctf_trace *trace;
+ struct bt_ctf_writer *ctf_writer;
+
+ trace = bt_ctf_stream_class_get_trace(stream_class);
+ if (!trace) {
+ ctf_writer = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ ctf_writer = g_hash_table_lookup(writer_component->trace_map,
+ (gpointer) trace);
+ if (ctf_writer) {
+ if (!bt_get(ctf_writer)) {
+ ctf_writer = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+ } else {
+ ctf_writer = insert_new_writer(writer_component, trace);
+ }
+ bt_put(trace);
+
+end:
+ return ctf_writer;
+}
+
+static
+struct bt_ctf_stream *get_writer_stream(
+ struct writer_component *writer_component,
+ struct bt_ctf_packet *packet, struct bt_ctf_stream *stream)
+{
+ struct bt_ctf_stream_class *stream_class;
+ struct bt_ctf_writer *ctf_writer;
+ struct bt_ctf_stream *writer_stream;
+
+ stream_class = bt_ctf_stream_get_class(stream);
+ if (!stream_class) {
+ writer_stream = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ ctf_writer = get_writer(writer_component, stream_class);
+ if (!ctf_writer) {
+ writer_stream = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put_stream_class;
+ }
+
+ writer_stream = lookup_stream(writer_component, stream);
+
+ if (writer_stream) {
+ if (!bt_get(writer_stream)) {
+ writer_stream = NULL;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put_stream_class;
+ }
+ } else {
+ writer_stream = insert_new_stream(writer_component, ctf_writer,
+ stream_class, stream);
+ }
+
+ bt_put(ctf_writer);
+end_put_stream_class:
+ bt_put(stream_class);
+end:
+ return writer_stream;
+}
+
+BT_HIDDEN
+enum bt_component_status writer_new_packet(
+ struct writer_component *writer_component,
+ struct bt_ctf_packet *packet)
+{
+ struct bt_ctf_stream *stream, *writer_stream;
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+
+ stream = bt_ctf_packet_get_stream(packet);
+ if (!stream) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ /* TODO: copy values for event discarded and packet_seq_num */
+ writer_stream = get_writer_stream(writer_component, packet, stream);
+ if (!writer_stream) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put;
+ }
+
+ bt_put(writer_stream);
+
+end_put:
+ bt_put(stream);
+end:
+ return ret;
+}
+
+static
+enum bt_component_status copy_packet_context_field(FILE *err,
+ struct bt_ctf_field *field, const char *field_name,
+ struct bt_ctf_field *writer_packet_context,
+ struct bt_ctf_field_type *writer_packet_context_type)
+{
+ enum bt_component_status ret;
+ struct bt_ctf_field *writer_field;
+ int int_ret;
+ uint64_t value;
+
+ /*
+ * TODO: handle the special case of the first/last packet that might
+ * be trimmed. In these cases, the timestamp_begin/end need to be
+ * explicitely set to the first/last event timestamps.
+ */
+
+ writer_field = bt_ctf_field_structure_get_field(writer_packet_context,
+ field_name);
+ if (!writer_field) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ int_ret = bt_ctf_field_unsigned_integer_get_value(field, &value);
+ if (int_ret < 0) {
+ fprintf(err, "[error] Wrong packet_context field type\n");
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_field;
+ }
+
+ int_ret = bt_ctf_field_unsigned_integer_set_value(writer_field, value);
+ if (int_ret < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_writer_field;
+ }
+
+ ret = BT_COMPONENT_STATUS_OK;
+
+end_put_writer_field:
+ bt_put(writer_field);
+end:
+ return ret;
+}
+
+static
+enum bt_component_status copy_packet_context(FILE *err,
+ struct bt_ctf_packet *packet,
+ struct bt_ctf_stream *writer_stream)
+{
+ enum bt_component_status ret;
+ struct bt_ctf_field *packet_context, *writer_packet_context;
+ struct bt_ctf_field_type *struct_type, *writer_packet_context_type;
+ struct bt_ctf_stream_class *writer_stream_class;
+ int nr_fields, i, int_ret;
+
+ packet_context = bt_ctf_packet_get_context(packet);
+ if (!packet_context) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end;
+ }
+
+ writer_stream_class = bt_ctf_stream_get_class(writer_stream);
+ if (!writer_stream_class) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_packet_context;
+ }
+
+ writer_packet_context_type = bt_ctf_stream_class_get_packet_context_type(
+ writer_stream_class);
+ if (!writer_packet_context_type) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_writer_stream_class;
+ }
+
+ struct_type = bt_ctf_field_get_type(packet_context);
+ if (!struct_type) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_writer_packet_context_type;
+ }
+
+ writer_packet_context = bt_ctf_field_create(writer_packet_context_type);
+ if (!writer_packet_context) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+ __LINE__);
+ goto end_put_struct_type;
+ }
+
+ nr_fields = bt_ctf_field_type_structure_get_field_count(struct_type);
+ for (i = 0; i < nr_fields; i++) {
+ struct bt_ctf_field *field;
+ struct bt_ctf_field_type *field_type;
+ const char *field_name;
+
+ field = bt_ctf_field_structure_get_field_by_index(
+ packet_context, i);
+ if (!field) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_writer_packet_context;
+ }
+ if (bt_ctf_field_type_structure_get_field(struct_type,
+ &field_name, &field_type, i) < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ bt_put(field);
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_writer_packet_context;
+ }
+
+ if (bt_ctf_field_type_get_type_id(field_type) != BT_CTF_TYPE_ID_INTEGER) {
+ fprintf(err, "[error] Unexpected packet context field type\n");
+ bt_put(field);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_packet_context;
+ }
+
+ ret = copy_packet_context_field(err, field, field_name,
+ writer_packet_context, writer_packet_context_type);
+ bt_put(field_type);
+ bt_put(field);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_writer_packet_context;
+ }
+ }
+
+ int_ret = bt_ctf_stream_set_packet_context(writer_stream,
+ writer_packet_context);
+ if (int_ret < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put_writer_packet_context;
+ }
+
+end_put_writer_packet_context:
+ bt_put(writer_packet_context);
+end_put_struct_type:
+ bt_put(struct_type);
+end_put_writer_packet_context_type:
+ bt_put(writer_packet_context_type);
+end_put_writer_stream_class:
+ bt_put(writer_stream_class);
+end_put_packet_context:
+ bt_put(packet_context);
+end:
+ return ret;
+}
+
+BT_HIDDEN
+enum bt_component_status writer_close_packet(
+ struct writer_component *writer_component,
+ struct bt_ctf_packet *packet)
+{
+ struct bt_ctf_stream *stream, *writer_stream;
+ enum bt_component_status ret;
+
+ stream = bt_ctf_packet_get_stream(packet);
+ if (!stream) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ writer_stream = lookup_stream(writer_component, stream);
+ if (!writer_stream) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put;
+ }
+
+ if (!bt_get(writer_stream)) {
+ fprintf(writer_component->err,
+ "[error] Failed to get reference on writer stream\n");
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ ret = BT_COMPONENT_STATUS_ERROR;
+ goto end_put;
+ }
+
+ ret = copy_packet_context(writer_component->err, packet, writer_stream);
+ if (ret != BT_COMPONENT_STATUS_OK) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n",
+ __func__, __FILE__, __LINE__);
+ goto end_put;
+ }
+
+ ret = bt_ctf_stream_flush(writer_stream);
+ if (ret < 0) {
+ fprintf(writer_component->err,
+ "[error] Failed to flush packet\n");
+ ret = BT_COMPONENT_STATUS_ERROR;
+ }
+
+ ret = BT_COMPONENT_STATUS_OK;
+
+ bt_put(writer_stream);
+
+end_put:
+ bt_put(stream);
+end:
+ return ret;
+}
+
+static
+struct bt_ctf_event *copy_event(FILE *err, struct bt_ctf_event *event,
+ struct bt_ctf_event_class *writer_event_class)
+{
+ struct bt_ctf_event *writer_event;
+ struct bt_ctf_field *field;
+ int ret;
+
+ writer_event = bt_ctf_event_create(writer_event_class);
+ if (!writer_event) {
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ field = bt_ctf_event_get_header(event);
+ ret = bt_ctf_event_set_header(writer_event,
+ bt_ctf_field_copy(field));
+ if (ret < 0) {
+ BT_PUT(writer_event);
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ field = bt_ctf_event_get_stream_event_context(event);
+ ret = bt_ctf_event_set_stream_event_context(writer_event,
+ bt_ctf_field_copy(field));
+ if (ret < 0) {
+ BT_PUT(writer_event);
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ field = bt_ctf_event_get_event_context(event);
+ ret = bt_ctf_event_set_event_context(writer_event,
+ bt_ctf_field_copy(field));
+ if (ret < 0) {
+ BT_PUT(writer_event);
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+ field = bt_ctf_event_get_payload_field(event);
+ ret = bt_ctf_event_set_payload_field(writer_event,
+ bt_ctf_field_copy(field));
+ if (ret < 0) {
+ BT_PUT(writer_event);
+ fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+ goto end;
+ }
+
+end:
+ return writer_event;
+}
+
+BT_HIDDEN
+enum bt_component_status writer_output_event(
+ struct writer_component *writer_component,
+ struct bt_ctf_event *event)
+{
+ enum bt_component_status ret;
+ struct bt_ctf_event_class *event_class, *writer_event_class;
+ struct bt_ctf_stream *stream, *writer_stream;
+ struct bt_ctf_stream_class *stream_class, *writer_stream_class;
+ struct bt_ctf_event *writer_event;
+ const char *event_name;
+ int int_ret;
+
+ event_class = bt_ctf_event_get_class(event);
+ if (!event_class) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end;
+ }
+
+ event_name = bt_ctf_event_class_get_name(event_class);
+ if (!event_name) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_event_class;
+ }
+// printf("%s\n", event_name);
+
+ stream = bt_ctf_event_get_stream(event);
+ if (!stream) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_event_class;
+ }
+
+ writer_stream = lookup_stream(writer_component, stream);
+ if (!writer_stream || !bt_get(writer_stream)) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_stream;
+ }
+
+ stream_class = bt_ctf_event_class_get_stream_class(event_class);
+ if (!stream_class) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_writer_stream;
+ }
+
+ writer_stream_class = g_hash_table_lookup(
+ writer_component->stream_class_map,
+ (gpointer) stream_class);
+ if (!writer_stream_class || !bt_get(writer_stream_class)) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_stream_class;
+ }
+
+ writer_event_class = get_event_class(writer_component,
+ writer_stream_class, event_class);
+ if (!writer_event_class) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ goto end_put_writer_stream_class;
+ }
+
+ writer_event = copy_event(writer_component->err, event, writer_event_class);
+ if (!writer_event) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ fprintf(writer_component->err, "[error] Failed to copy event %s\n",
+ bt_ctf_event_class_get_name(writer_event_class));
+ goto end_put_writer_event_class;
+ }
+
+ int_ret = bt_ctf_stream_append_event(writer_stream, writer_event);
+ if (int_ret < 0) {
+ ret = BT_COMPONENT_STATUS_ERROR;
+ fprintf(writer_component->err, "[error] %s in %s:%d\n", __func__,
+ __FILE__, __LINE__);
+ fprintf(writer_component->err, "[error] Failed to append event %s\n",
+ bt_ctf_event_class_get_name(writer_event_class));
+ goto end_put_writer_event;
+ }
+
+ ret = BT_COMPONENT_STATUS_OK;
+
+end_put_writer_event:
+ bt_put(writer_event);
+end_put_writer_event_class:
+ bt_put(writer_event_class);
+end_put_writer_stream_class:
+ bt_put(writer_stream_class);
+end_put_stream_class:
+ bt_put(stream_class);
+end_put_writer_stream:
+ bt_put(writer_stream);
+end_put_stream:
+ bt_put(stream);
+end_put_event_class:
+ bt_put(event_class);
+end:
+ return ret;
+}