*
* Babeltrace CTF file system Reader Component
*
+ * Copyright 2015-2017 Philippe Proulx <pproulx@efficios.com>
* 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
* SOFTWARE.
*/
-#include <babeltrace/ctf-ir/packet.h>
-#include <babeltrace/ctf-ir/clock-class.h>
-#include <babeltrace/graph/private-port.h>
-#include <babeltrace/graph/private-component.h>
-#include <babeltrace/graph/private-component-source.h>
-#include <babeltrace/graph/private-notification-iterator.h>
-#include <babeltrace/graph/component.h>
-#include <babeltrace/graph/notification-iterator.h>
-#include <babeltrace/graph/clock-class-priority-map.h>
+#include <babeltrace/common-internal.h>
+#include <babeltrace/babeltrace.h>
#include <plugins-common.h>
#include <glib.h>
-#include <assert.h>
+#include <babeltrace/assert-internal.h>
+#include <inttypes.h>
#include <stdbool.h>
-#include <unistd.h>
#include "fs.h"
#include "metadata.h"
-#include "data-stream.h"
+#include "data-stream-file.h"
#include "file.h"
#include "../common/metadata/decoder.h"
+#include "../common/notif-iter/notif-iter.h"
+#include "../common/utils/utils.h"
+#include "query.h"
-#define PRINT_ERR_STREAM ctf_fs->error_fp
-#define PRINT_PREFIX "ctf-fs"
-#include "print.h"
-#define METADATA_TEXT_SIG "/* CTF 1.8"
+#define BT_LOG_TAG "PLUGIN-CTF-FS-SRC"
+#include "logging.h"
-BT_HIDDEN
-bool ctf_fs_debug;
+static
+int notif_iter_data_set_current_ds_file(struct ctf_fs_notif_iter_data *notif_iter_data)
+{
+ struct ctf_fs_ds_file_info *ds_file_info;
+ int ret = 0;
+
+ BT_ASSERT(notif_iter_data->ds_file_info_index <
+ notif_iter_data->ds_file_group->ds_file_infos->len);
+ ds_file_info = g_ptr_array_index(
+ notif_iter_data->ds_file_group->ds_file_infos,
+ notif_iter_data->ds_file_info_index);
+
+ ctf_fs_ds_file_destroy(notif_iter_data->ds_file);
+ notif_iter_data->ds_file = ctf_fs_ds_file_create(
+ notif_iter_data->ds_file_group->ctf_fs_trace,
+ notif_iter_data->notif_iter,
+ notif_iter_data->ds_file_group->stream,
+ ds_file_info->path->str);
+ if (!notif_iter_data->ds_file) {
+ ret = -1;
+ }
+
+ return ret;
+}
+
+static
+void ctf_fs_notif_iter_data_destroy(
+ struct ctf_fs_notif_iter_data *notif_iter_data)
+{
+ if (!notif_iter_data) {
+ return;
+ }
-struct bt_notification_iterator_next_return ctf_fs_iterator_next(
- struct bt_private_notification_iterator *iterator)
+ ctf_fs_ds_file_destroy(notif_iter_data->ds_file);
+
+ if (notif_iter_data->notif_iter) {
+ bt_notif_iter_destroy(notif_iter_data->notif_iter);
+ }
+
+ g_free(notif_iter_data);
+}
+
+struct bt_notification_iterator_next_method_return ctf_fs_iterator_next(
+ struct bt_private_connection_private_notification_iterator *iterator)
{
- struct ctf_fs_stream *fs_stream =
- bt_private_notification_iterator_get_user_data(iterator);
+ struct bt_notification_iterator_next_method_return next_ret;
+ struct ctf_fs_notif_iter_data *notif_iter_data =
+ bt_private_connection_private_notification_iterator_get_user_data(iterator);
+ int ret;
+
+ BT_ASSERT(notif_iter_data->ds_file);
+ next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file);
+
+ if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK &&
+ bt_notification_get_type(next_ret.notification) ==
+ BT_NOTIFICATION_TYPE_STREAM_BEGIN) {
+ if (notif_iter_data->skip_stream_begin_notifs) {
+ /*
+ * We already emitted a
+ * BT_NOTIFICATION_TYPE_STREAM_BEGIN
+ * notification: skip this one, get a new one.
+ */
+ BT_PUT(next_ret.notification);
+ next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file);
+ BT_ASSERT(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END);
+ goto end;
+ } else {
+ /*
+ * First BT_NOTIFICATION_TYPE_STREAM_BEGIN
+ * notification: skip all following.
+ */
+ notif_iter_data->skip_stream_begin_notifs = true;
+ goto end;
+ }
+ }
+
+ if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK &&
+ bt_notification_get_type(next_ret.notification) ==
+ BT_NOTIFICATION_TYPE_STREAM_END) {
+ notif_iter_data->ds_file_info_index++;
+
+ if (notif_iter_data->ds_file_info_index ==
+ notif_iter_data->ds_file_group->ds_file_infos->len) {
+ /*
+ * No more stream files to read: we reached the
+ * real end. Emit this
+ * BT_NOTIFICATION_TYPE_STREAM_END notification.
+ * The next time ctf_fs_iterator_next() is
+ * called for this notification iterator,
+ * ctf_fs_ds_file_next() will return
+ * BT_NOTIFICATION_ITERATOR_STATUS_END().
+ */
+ goto end;
+ }
+
+ BT_PUT(next_ret.notification);
+ bt_notif_iter_reset(notif_iter_data->notif_iter);
- return ctf_fs_stream_next(fs_stream);
+ /*
+ * Open and start reading the next stream file within
+ * our stream file group.
+ */
+ ret = notif_iter_data_set_current_ds_file(notif_iter_data);
+ if (ret) {
+ next_ret.status = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
+ goto end;
+ }
+
+ next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file);
+
+ /*
+ * If we get a notification, we expect to get a
+ * BT_NOTIFICATION_TYPE_STREAM_BEGIN notification
+ * because the iterator's state machine emits one before
+ * even requesting the first block of data from the
+ * medium. Skip this notification because we're not
+ * really starting a new stream here, and try getting a
+ * new notification (which, if it works, is a
+ * BT_NOTIFICATION_TYPE_PACKET_BEGIN one). We're sure to
+ * get at least one pair of
+ * BT_NOTIFICATION_TYPE_PACKET_BEGIN and
+ * BT_NOTIFICATION_TYPE_PACKET_END notifications in the
+ * case of a single, empty packet. We know there's at
+ * least one packet because the stream file group does
+ * not contain empty stream files.
+ */
+ BT_ASSERT(notif_iter_data->skip_stream_begin_notifs);
+
+ if (next_ret.status == BT_NOTIFICATION_ITERATOR_STATUS_OK) {
+ BT_ASSERT(bt_notification_get_type(next_ret.notification) ==
+ BT_NOTIFICATION_TYPE_STREAM_BEGIN);
+ BT_PUT(next_ret.notification);
+ next_ret = ctf_fs_ds_file_next(notif_iter_data->ds_file);
+ BT_ASSERT(next_ret.status != BT_NOTIFICATION_ITERATOR_STATUS_END);
+ }
+ }
+
+end:
+ return next_ret;
}
-void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it)
+void ctf_fs_iterator_finalize(struct bt_private_connection_private_notification_iterator *it)
{
- void *ctf_fs_stream =
- bt_private_notification_iterator_get_user_data(it);
+ void *notif_iter_data =
+ bt_private_connection_private_notification_iterator_get_user_data(it);
- ctf_fs_stream_destroy(ctf_fs_stream);
+ ctf_fs_notif_iter_data_destroy(notif_iter_data);
}
enum bt_notification_iterator_status ctf_fs_iterator_init(
- struct bt_private_notification_iterator *it,
+ struct bt_private_connection_private_notification_iterator *it,
struct bt_private_port *port)
{
- struct ctf_fs_stream *stream = NULL;
- struct ctf_fs_component *ctf_fs;
struct ctf_fs_port_data *port_data;
- struct bt_private_component *priv_comp =
- bt_private_notification_iterator_get_private_component(it);
+ struct ctf_fs_notif_iter_data *notif_iter_data = NULL;
enum bt_notification_iterator_status ret =
BT_NOTIFICATION_ITERATOR_STATUS_OK;
+ int iret;
- assert(priv_comp);
-
- ctf_fs = bt_private_component_get_user_data(priv_comp);
- if (!ctf_fs) {
+ port_data = bt_private_port_get_user_data(port);
+ if (!port_data) {
ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID;
goto error;
}
- port_data = bt_private_port_get_user_data(port);
- if (!port_data) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_INVALID;
+ notif_iter_data = g_new0(struct ctf_fs_notif_iter_data, 1);
+ if (!notif_iter_data) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
goto error;
}
- stream = ctf_fs_stream_create(ctf_fs, port_data->path->str);
- if (!stream) {
+ notif_iter_data->notif_iter = bt_notif_iter_create(
+ port_data->ds_file_group->ctf_fs_trace->metadata->trace,
+ bt_common_get_page_size() * 8,
+ ctf_fs_ds_file_medops, NULL);
+ if (!notif_iter_data->notif_iter) {
+ BT_LOGE_STR("Cannot create a CTF notification iterator.");
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
goto error;
}
- ret = bt_private_notification_iterator_set_user_data(it, stream);
- if (ret) {
+ notif_iter_data->ds_file_group = port_data->ds_file_group;
+ iret = notif_iter_data_set_current_ds_file(notif_iter_data);
+ if (iret) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
+ goto error;
+ }
+
+ ret = bt_private_connection_private_notification_iterator_set_user_data(it, notif_iter_data);
+ if (ret != BT_NOTIFICATION_ITERATOR_STATUS_OK) {
goto error;
}
- stream = NULL;
+ notif_iter_data = NULL;
goto end;
error:
- (void) bt_private_notification_iterator_set_user_data(it, NULL);
-
- if (ret == BT_NOTIFICATION_ITERATOR_STATUS_OK) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
- }
+ (void) bt_private_connection_private_notification_iterator_set_user_data(it, NULL);
end:
- ctf_fs_stream_destroy(stream);
- bt_put(priv_comp);
+ ctf_fs_notif_iter_data_destroy(notif_iter_data);
return ret;
}
static
-void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs)
+void ctf_fs_destroy(struct ctf_fs_component *ctf_fs)
{
if (!ctf_fs) {
return;
}
- if (ctf_fs->trace_path) {
- g_string_free(ctf_fs->trace_path, TRUE);
+ if (ctf_fs->traces) {
+ g_ptr_array_free(ctf_fs->traces, TRUE);
}
if (ctf_fs->port_data) {
g_ptr_array_free(ctf_fs->port_data, TRUE);
}
- if (ctf_fs->metadata) {
- ctf_fs_metadata_fini(ctf_fs->metadata);
- g_free(ctf_fs->metadata);
+ g_free(ctf_fs);
+}
+
+BT_HIDDEN
+void ctf_fs_trace_destroy(struct ctf_fs_trace *ctf_fs_trace)
+{
+ if (!ctf_fs_trace) {
+ return;
}
- bt_put(ctf_fs->cc_prio_map);
- g_free(ctf_fs);
+ if (ctf_fs_trace->ds_file_groups) {
+ g_ptr_array_free(ctf_fs_trace->ds_file_groups, TRUE);
+ }
+
+ if (ctf_fs_trace->path) {
+ g_string_free(ctf_fs_trace->path, TRUE);
+ }
+
+ if (ctf_fs_trace->name) {
+ g_string_free(ctf_fs_trace->name, TRUE);
+ }
+
+ if (ctf_fs_trace->metadata) {
+ ctf_fs_metadata_fini(ctf_fs_trace->metadata);
+ g_free(ctf_fs_trace->metadata);
+ }
+
+ bt_put(ctf_fs_trace->cc_prio_map);
+ g_free(ctf_fs_trace);
+}
+
+static
+void ctf_fs_trace_destroy_notifier(void *data)
+{
+ struct ctf_fs_trace *trace = data;
+ ctf_fs_trace_destroy(trace);
}
void ctf_fs_finalize(struct bt_private_component *component)
{
void *data = bt_private_component_get_user_data(component);
- ctf_fs_destroy_data(data);
+ ctf_fs_destroy(data);
}
static
return;
}
- if (port_data->path) {
- g_string_free(port_data->path, TRUE);
+ g_free(port_data);
+}
+
+static
+GString *get_stream_instance_unique_name(
+ struct ctf_fs_ds_file_group *ds_file_group)
+{
+ GString *name;
+ struct ctf_fs_ds_file_info *ds_file_info;
+
+ name = g_string_new(NULL);
+ if (!name) {
+ goto end;
}
- g_free(port_data);
+ /*
+ * If there's more than one stream file in the stream file
+ * group, the first (earliest) stream file's path is used as
+ * the stream's unique name.
+ */
+ BT_ASSERT(ds_file_group->ds_file_infos->len > 0);
+ ds_file_info = g_ptr_array_index(ds_file_group->ds_file_infos, 0);
+ g_string_assign(name, ds_file_info->path->str);
+
+end:
+ return name;
}
static
-int create_one_port(struct ctf_fs_component *ctf_fs,
- const char *stream_basename, const char *stream_path)
+int create_one_port_for_trace(struct ctf_fs_component *ctf_fs,
+ struct ctf_fs_trace *ctf_fs_trace,
+ struct ctf_fs_ds_file_group *ds_file_group)
{
int ret = 0;
- struct bt_private_port *port = NULL;
struct ctf_fs_port_data *port_data = NULL;
GString *port_name = NULL;
- port_name = g_string_new(NULL);
+ port_name = get_stream_instance_unique_name(ds_file_group);
if (!port_name) {
goto error;
}
- /* Assign the name for the new output port */
- g_string_assign(port_name, "");
- g_string_printf(port_name, "trace0-stream-%s", stream_basename);
- PDBG("Creating one port named `%s` associated with path `%s`\n",
- port_name->str, stream_path);
+ BT_LOGD("Creating one port named `%s`", port_name->str);
/* Create output port for this file */
port_data = g_new0(struct ctf_fs_port_data, 1);
goto error;
}
- port_data->path = g_string_new(stream_path);
- if (!port_data->path) {
- goto error;
- }
-
- port = bt_private_component_source_add_output_private_port(
- ctf_fs->priv_comp, port_name->str, port_data);
- if (!port) {
+ port_data->ds_file_group = ds_file_group;
+ ret = bt_private_component_source_add_output_private_port(
+ ctf_fs->priv_comp, port_name->str, port_data, NULL);
+ if (ret) {
goto error;
}
g_string_free(port_name, TRUE);
}
- bt_put(port);
port_data_destroy(port_data);
return ret;
}
static
-int create_ports(struct ctf_fs_component *ctf_fs)
+int create_ports_for_trace(struct ctf_fs_component *ctf_fs,
+ struct ctf_fs_trace *ctf_fs_trace)
{
int ret = 0;
- const char *basename;
- GError *error = NULL;
- GDir *dir = NULL;
- struct ctf_fs_file *file = NULL;
+ size_t i;
- /* Create one output port for each stream file */
- dir = g_dir_open(ctf_fs->trace_path->str, 0, &error);
- if (!dir) {
- PERR("Cannot open directory `%s`: %s (code %d)\n",
- ctf_fs->trace_path->str, error->message,
- error->code);
- goto error;
- }
+ /* Create one output port for each stream file group */
+ for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
+ struct ctf_fs_ds_file_group *ds_file_group =
+ g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
- while ((basename = g_dir_read_name(dir))) {
- if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
- /* Ignore the metadata stream. */
- PDBG("Ignoring metadata file `%s`\n", basename);
- continue;
+ ret = create_one_port_for_trace(ctf_fs, ctf_fs_trace,
+ ds_file_group);
+ if (ret) {
+ BT_LOGE("Cannot create output port.");
+ goto end;
}
+ }
- if (basename[0] == '.') {
- PDBG("Ignoring hidden file `%s`\n", basename);
- continue;
- }
+end:
+ return ret;
+}
- /* Create the file. */
- file = ctf_fs_file_create(ctf_fs);
- if (!file) {
- PERR("Cannot create stream file object for file `%s`\n",
- basename);
- goto error;
- }
+static
+uint64_t get_packet_header_stream_instance_id(struct ctf_fs_trace *ctf_fs_trace,
+ struct bt_field *packet_header_field)
+{
+ struct bt_field *stream_instance_id_field = NULL;
+ uint64_t stream_instance_id = -1ULL;
+ int ret;
- /* Create full path string. */
- g_string_append_printf(file->path, "%s/%s",
- ctf_fs->trace_path->str, basename);
- if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
- PDBG("Ignoring non-regular file `%s`\n", basename);
- ctf_fs_file_destroy(file);
- file = NULL;
- continue;
- }
+ if (!packet_header_field) {
+ goto end;
+ }
- ret = ctf_fs_file_open(ctf_fs, file, "rb");
- if (ret) {
- PERR("Cannot open stream file `%s`\n", basename);
- goto error;
- }
+ stream_instance_id_field = bt_field_structure_borrow_field_by_name(
+ packet_header_field, "stream_instance_id");
+ if (!stream_instance_id_field) {
+ goto end;
+ }
- if (file->size == 0) {
- /* Skip empty stream. */
- PDBG("Ignoring empty file `%s`\n", basename);
- ctf_fs_file_destroy(file);
- file = NULL;
- continue;
- }
+ ret = bt_field_integer_unsigned_get_value(stream_instance_id_field,
+ &stream_instance_id);
+ if (ret) {
+ stream_instance_id = -1ULL;
+ goto end;
+ }
- ret = create_one_port(ctf_fs, basename, file->path->str);
- if (ret) {
- PERR("Cannot create output port for file `%s`\n",
- basename);
- goto error;
- }
+end:
+ return stream_instance_id;
+}
- ctf_fs_file_destroy(file);
- file = NULL;
+uint64_t get_packet_context_timestamp_begin_ns(
+ struct ctf_fs_trace *ctf_fs_trace,
+ struct bt_field *packet_context_field)
+{
+ int ret;
+ struct bt_field *timestamp_begin_field = NULL;
+ struct bt_field_type *timestamp_begin_ft = NULL;
+ uint64_t timestamp_begin_raw_value = -1ULL;
+ uint64_t timestamp_begin_ns = -1ULL;
+ int64_t timestamp_begin_ns_signed;
+ struct bt_clock_class *timestamp_begin_clock_class = NULL;
+
+ if (!packet_context_field) {
+ goto end;
}
- goto end;
+ timestamp_begin_field = bt_field_structure_borrow_field_by_name(
+ packet_context_field, "timestamp_begin");
+ if (!timestamp_begin_field) {
+ goto end;
+ }
-error:
- ret = -1;
+ timestamp_begin_ft = bt_field_borrow_type(timestamp_begin_field);
+ BT_ASSERT(timestamp_begin_ft);
+ timestamp_begin_clock_class =
+ bt_field_type_integer_borrow_mapped_clock_class(timestamp_begin_ft);
+ if (!timestamp_begin_clock_class) {
+ goto end;
+ }
-end:
- if (dir) {
- g_dir_close(dir);
- dir = NULL;
+ ret = bt_field_integer_unsigned_get_value(timestamp_begin_field,
+ ×tamp_begin_raw_value);
+ if (ret) {
+ goto end;
}
- if (error) {
- g_error_free(error);
+ ret = bt_clock_class_cycles_to_ns(timestamp_begin_clock_class,
+ timestamp_begin_raw_value, ×tamp_begin_ns_signed);
+ if (ret) {
+ goto end;
}
- ctf_fs_file_destroy(file);
- return ret;
+ timestamp_begin_ns = (uint64_t) timestamp_begin_ns_signed;
+
+end:
+ return timestamp_begin_ns;
}
static
-int create_cc_prio_map(struct ctf_fs_component *ctf_fs)
+void ctf_fs_ds_file_info_destroy(struct ctf_fs_ds_file_info *ds_file_info)
{
- int ret = 0;
- size_t i;
- int count;
+ if (!ds_file_info) {
+ return;
+ }
- assert(ctf_fs);
- ctf_fs->cc_prio_map = bt_clock_class_priority_map_create();
- if (!ctf_fs->cc_prio_map) {
- ret = -1;
- goto end;
+ if (ds_file_info->path) {
+ g_string_free(ds_file_info->path, TRUE);
}
- count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace);
- assert(count >= 0);
+ ctf_fs_ds_index_destroy(ds_file_info->index);
+ g_free(ds_file_info);
+}
- for (i = 0; i < count; i++) {
- struct bt_ctf_clock_class *clock_class =
- bt_ctf_trace_get_clock_class_by_index(
- ctf_fs->metadata->trace, i);
+static
+struct ctf_fs_ds_file_info *ctf_fs_ds_file_info_create(const char *path,
+ uint64_t begin_ns, struct ctf_fs_ds_index *index)
+{
+ struct ctf_fs_ds_file_info *ds_file_info;
- assert(clock_class);
- ret = bt_clock_class_priority_map_add_clock_class(
- ctf_fs->cc_prio_map, clock_class, 0);
- BT_PUT(clock_class);
+ ds_file_info = g_new0(struct ctf_fs_ds_file_info, 1);
+ if (!ds_file_info) {
+ goto end;
+ }
- if (ret) {
- goto end;
- }
+ ds_file_info->path = g_string_new(path);
+ if (!ds_file_info->path) {
+ ctf_fs_ds_file_info_destroy(ds_file_info);
+ ds_file_info = NULL;
+ goto end;
}
+ ds_file_info->begin_ns = begin_ns;
+ ds_file_info->index = index;
+ index = NULL;
+
end:
- return ret;
+ ctf_fs_ds_index_destroy(index);
+ return ds_file_info;
}
static
-struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp,
- struct bt_value *params)
+void ctf_fs_ds_file_group_destroy(struct ctf_fs_ds_file_group *ds_file_group)
{
- struct ctf_fs_component *ctf_fs;
- struct bt_value *value = NULL;
- const char *path;
- int ret;
+ if (!ds_file_group) {
+ return;
+ }
- ctf_fs = g_new0(struct ctf_fs_component, 1);
- if (!ctf_fs) {
- goto end;
+ if (ds_file_group->ds_file_infos) {
+ g_ptr_array_free(ds_file_group->ds_file_infos, TRUE);
}
- /*
- * We don't need to get a new reference here because as long as
- * our private ctf_fs_component object exists, the containing
- * private component should also exist.
- */
- ctf_fs->priv_comp = priv_comp;
+ bt_put(ds_file_group->stream);
+ bt_put(ds_file_group->stream_class);
+ g_free(ds_file_group);
+}
- /* FIXME: should probably look for a source URI */
- value = bt_value_map_get(params, "path");
- if (!value || bt_value_is_null(value) || !bt_value_is_string(value)) {
- goto error;
- }
+static
+struct ctf_fs_ds_file_group *ctf_fs_ds_file_group_create(
+ struct ctf_fs_trace *ctf_fs_trace,
+ struct bt_stream_class *stream_class,
+ uint64_t stream_instance_id)
+{
+ struct ctf_fs_ds_file_group *ds_file_group;
- ret = bt_value_string_get(value, &path);
- if (ret) {
+ ds_file_group = g_new0(struct ctf_fs_ds_file_group, 1);
+ if (!ds_file_group) {
goto error;
}
- ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy);
- if (!ctf_fs->port_data) {
+ ds_file_group->ds_file_infos = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) ctf_fs_ds_file_info_destroy);
+ if (!ds_file_group->ds_file_infos) {
goto error;
}
- ctf_fs->trace_path = g_string_new(path);
- if (!ctf_fs->trace_path) {
- BT_PUT(value);
- goto error;
+ ds_file_group->stream_id = stream_instance_id;
+ BT_ASSERT(stream_class);
+ ds_file_group->stream_class = bt_get(stream_class);
+ ds_file_group->ctf_fs_trace = ctf_fs_trace;
+ goto end;
+
+error:
+ ctf_fs_ds_file_group_destroy(ds_file_group);
+ ds_file_group = NULL;
+
+end:
+ return ds_file_group;
+}
+
+/* Replace by g_ptr_array_insert when we depend on glib >= 2.40. */
+static
+void array_insert(GPtrArray *array, gpointer element, size_t pos)
+{
+ size_t original_array_len = array->len;
+
+ /* Allocate an unused element at the end of the array. */
+ g_ptr_array_add(array, NULL);
+
+ /* If we are not inserting at the end, move the elements by one. */
+ if (pos < original_array_len) {
+ memmove(&(array->pdata[pos + 1]),
+ &(array->pdata[pos]),
+ (original_array_len - pos) * sizeof(gpointer));
}
- bt_put(value);
- value = bt_value_map_get(params, "offset-s");
- if (value) {
- int64_t offset;
+ /* Insert the value and bump the array len */
+ array->pdata[pos] = element;
+}
- if (!bt_value_is_integer(value)) {
- fprintf(stderr,
- "offset-s should be an integer\n");
- goto error;
- }
- ret = bt_value_integer_get(value, &offset);
- if (ret != BT_VALUE_STATUS_OK) {
- fprintf(stderr,
- "Failed to get offset-s value\n");
- goto error;
- }
- ctf_fs->options.clock_offset = offset;
- bt_put(value);
+static
+int ctf_fs_ds_file_group_add_ds_file_info(
+ struct ctf_fs_ds_file_group *ds_file_group,
+ const char *path, uint64_t begin_ns,
+ struct ctf_fs_ds_index *index)
+{
+ struct ctf_fs_ds_file_info *ds_file_info;
+ gint i = 0;
+ int ret = 0;
+
+ /* Onwership of index is transferred. */
+ ds_file_info = ctf_fs_ds_file_info_create(path, begin_ns, index);
+ index = NULL;
+ if (!ds_file_info) {
+ goto error;
}
- value = bt_value_map_get(params, "offset-ns");
- if (value) {
- int64_t offset;
+ /* Find a spot to insert this one */
+ for (i = 0; i < ds_file_group->ds_file_infos->len; i++) {
+ struct ctf_fs_ds_file_info *other_ds_file_info =
+ g_ptr_array_index(ds_file_group->ds_file_infos, i);
- if (!bt_value_is_integer(value)) {
- fprintf(stderr,
- "offset-ns should be an integer\n");
- goto error;
- }
- ret = bt_value_integer_get(value, &offset);
- if (ret != BT_VALUE_STATUS_OK) {
- fprintf(stderr,
- "Failed to get offset-ns value\n");
- goto error;
+ if (begin_ns < other_ds_file_info->begin_ns) {
+ break;
}
- ctf_fs->options.clock_offset_ns = offset;
- bt_put(value);
}
- ctf_fs->error_fp = stderr;
- ctf_fs->page_size = (size_t) getpagesize();
+ array_insert(ds_file_group->ds_file_infos, ds_file_info, i);
+ ds_file_info = NULL;
+ goto end;
+
+error:
+ ctf_fs_ds_file_info_destroy(ds_file_info);
+ ctf_fs_ds_index_destroy(index);
+ ret = -1;
+end:
+ return ret;
+}
- // FIXME: check error.
- ctf_fs->metadata = g_new0(struct ctf_fs_metadata, 1);
- if (!ctf_fs->metadata) {
+static
+int add_ds_file_to_ds_file_group(struct ctf_fs_trace *ctf_fs_trace,
+ const char *path)
+{
+ struct bt_field *packet_header_field = NULL;
+ struct bt_field *packet_context_field = NULL;
+ struct bt_stream_class *stream_class = NULL;
+ uint64_t stream_instance_id = -1ULL;
+ uint64_t begin_ns = -1ULL;
+ struct ctf_fs_ds_file_group *ds_file_group = NULL;
+ bool add_group = false;
+ int ret;
+ size_t i;
+ struct ctf_fs_ds_file *ds_file = NULL;
+ struct ctf_fs_ds_index *index = NULL;
+ struct bt_notif_iter *notif_iter = NULL;
+
+ notif_iter = bt_notif_iter_create(ctf_fs_trace->metadata->trace,
+ bt_common_get_page_size() * 8, ctf_fs_ds_file_medops, NULL);
+ if (!notif_iter) {
+ BT_LOGE_STR("Cannot create a CTF notification iterator.");
goto error;
}
- ret = ctf_fs_metadata_set_trace(ctf_fs);
- if (ret) {
+ ds_file = ctf_fs_ds_file_create(ctf_fs_trace, notif_iter, NULL, path);
+ if (!ds_file) {
goto error;
}
- ret = create_cc_prio_map(ctf_fs);
+ ret = ctf_fs_ds_file_borrow_packet_header_context_fields(ds_file,
+ &packet_header_field, &packet_context_field);
if (ret) {
+ BT_LOGE("Cannot get stream file's first packet's header and context fields (`%s`).",
+ path);
goto error;
}
- ret = create_ports(ctf_fs);
- if (ret) {
+ stream_instance_id = get_packet_header_stream_instance_id(ctf_fs_trace,
+ packet_header_field);
+ begin_ns = get_packet_context_timestamp_begin_ns(ctf_fs_trace,
+ packet_context_field);
+ stream_class = ctf_utils_borrow_stream_class_from_packet_header(
+ ctf_fs_trace->metadata->trace, packet_header_field);
+ if (!stream_class) {
+ goto error;
+ }
+
+ index = ctf_fs_ds_file_build_index(ds_file);
+ if (!index) {
+ BT_LOGW("Failed to index CTF stream file \'%s\'",
+ ds_file->file->path->str);
+ }
+
+ if (begin_ns == -1ULL) {
+ /*
+ * No beggining timestamp to sort the stream files
+ * within a stream file group, so consider that this
+ * file must be the only one within its group.
+ */
+ stream_instance_id = -1ULL;
+ }
+
+ if (stream_instance_id == -1ULL) {
+ /*
+ * No stream instance ID or no beginning timestamp:
+ * create a unique stream file group for this stream
+ * file because, even if there's a stream instance ID,
+ * there's no timestamp to order the file within its
+ * group.
+ */
+ ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace,
+ stream_class, stream_instance_id);
+ if (!ds_file_group) {
+ goto error;
+ }
+
+ ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group,
+ path, begin_ns, index);
+ /* Ownership of index is transferred. */
+ index = NULL;
+ if (ret) {
+ goto error;
+ }
+
+ add_group = true;
+ goto end;
+ }
+
+ BT_ASSERT(stream_instance_id != -1ULL);
+ BT_ASSERT(begin_ns != -1ULL);
+
+ /* Find an existing stream file group with this ID */
+ for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
+ ds_file_group = g_ptr_array_index(
+ ctf_fs_trace->ds_file_groups, i);
+
+ if (ds_file_group->stream_class == stream_class &&
+ ds_file_group->stream_id ==
+ stream_instance_id) {
+ break;
+ }
+
+ ds_file_group = NULL;
+ }
+
+ if (!ds_file_group) {
+ ds_file_group = ctf_fs_ds_file_group_create(ctf_fs_trace,
+ stream_class, stream_instance_id);
+ if (!ds_file_group) {
+ goto error;
+ }
+
+ add_group = true;
+ }
+
+ ret = ctf_fs_ds_file_group_add_ds_file_info(ds_file_group, path,
+ begin_ns, index);
+ index = NULL;
+ if (ret) {
goto error;
}
goto end;
error:
- ctf_fs_destroy_data(ctf_fs);
- ctf_fs = NULL;
+ ctf_fs_ds_file_group_destroy(ds_file_group);
+ ret = -1;
+
end:
- return ctf_fs;
+ if (add_group && ds_file_group) {
+ g_ptr_array_add(ctf_fs_trace->ds_file_groups, ds_file_group);
+ }
+
+ ctf_fs_ds_file_destroy(ds_file);
+
+ if (notif_iter) {
+ bt_notif_iter_destroy(notif_iter);
+ }
+
+ ctf_fs_ds_index_destroy(index);
+ return ret;
+}
+
+static
+int create_ds_file_groups(struct ctf_fs_trace *ctf_fs_trace)
+{
+ int ret = 0;
+ const char *basename;
+ GError *error = NULL;
+ GDir *dir = NULL;
+ size_t i;
+
+ /* Check each file in the path directory, except specific ones */
+ dir = g_dir_open(ctf_fs_trace->path->str, 0, &error);
+ if (!dir) {
+ BT_LOGE("Cannot open directory `%s`: %s (code %d)",
+ ctf_fs_trace->path->str, error->message,
+ error->code);
+ goto error;
+ }
+
+ while ((basename = g_dir_read_name(dir))) {
+ struct ctf_fs_file *file;
+
+ if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
+ /* Ignore the metadata stream. */
+ BT_LOGD("Ignoring metadata file `%s" G_DIR_SEPARATOR_S "%s`",
+ ctf_fs_trace->path->str, basename);
+ continue;
+ }
+
+ if (basename[0] == '.') {
+ BT_LOGD("Ignoring hidden file `%s" G_DIR_SEPARATOR_S "%s`",
+ ctf_fs_trace->path->str, basename);
+ continue;
+ }
+
+ /* Create the file. */
+ file = ctf_fs_file_create();
+ if (!file) {
+ BT_LOGE("Cannot create stream file object for file `%s" G_DIR_SEPARATOR_S "%s`",
+ ctf_fs_trace->path->str, basename);
+ goto error;
+ }
+
+ /* Create full path string. */
+ g_string_append_printf(file->path, "%s" G_DIR_SEPARATOR_S "%s",
+ ctf_fs_trace->path->str, basename);
+ if (!g_file_test(file->path->str, G_FILE_TEST_IS_REGULAR)) {
+ BT_LOGD("Ignoring non-regular file `%s`",
+ file->path->str);
+ ctf_fs_file_destroy(file);
+ file = NULL;
+ continue;
+ }
+
+ ret = ctf_fs_file_open(file, "rb");
+ if (ret) {
+ BT_LOGE("Cannot open stream file `%s`", file->path->str);
+ goto error;
+ }
+
+ if (file->size == 0) {
+ /* Skip empty stream. */
+ BT_LOGD("Ignoring empty file `%s`", file->path->str);
+ ctf_fs_file_destroy(file);
+ continue;
+ }
+
+ ret = add_ds_file_to_ds_file_group(ctf_fs_trace,
+ file->path->str);
+ if (ret) {
+ BT_LOGE("Cannot add stream file `%s` to stream file group",
+ file->path->str);
+ ctf_fs_file_destroy(file);
+ goto error;
+ }
+
+ ctf_fs_file_destroy(file);
+ }
+
+ /*
+ * At this point, DS file groupes are created, but their
+ * associated stream objects do not exist yet. This is because
+ * we need to name the created stream object with the data
+ * stream file's path. We have everything we need here to do
+ * this.
+ */
+ for (i = 0; i < ctf_fs_trace->ds_file_groups->len; i++) {
+ struct ctf_fs_ds_file_group *ds_file_group =
+ g_ptr_array_index(ctf_fs_trace->ds_file_groups, i);
+ GString *name = get_stream_instance_unique_name(ds_file_group);
+
+ if (!name) {
+ goto error;
+ }
+
+ if (ds_file_group->stream_id == -1ULL) {
+ /* No stream ID: use 0 */
+ ds_file_group->stream = bt_stream_create(
+ ds_file_group->stream_class, name->str,
+ ctf_fs_trace->next_stream_id);
+ ctf_fs_trace->next_stream_id++;
+ } else {
+ /* Specific stream ID */
+ ds_file_group->stream = bt_stream_create(
+ ds_file_group->stream_class, name->str,
+ ds_file_group->stream_id);
+ }
+
+ g_string_free(name, TRUE);
+
+ if (!ds_file_group->stream) {
+ BT_LOGE("Cannot create stream for DS file group: "
+ "addr=%p, stream-name=\"%s\"",
+ ds_file_group, name->str);
+ goto error;
+ }
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+
+end:
+ if (dir) {
+ g_dir_close(dir);
+ dir = NULL;
+ }
+
+ if (error) {
+ g_error_free(error);
+ }
+
+ return ret;
+}
+
+static
+int create_cc_prio_map(struct ctf_fs_trace *ctf_fs_trace)
+{
+ int ret = 0;
+ size_t i;
+ int count;
+
+ BT_ASSERT(ctf_fs_trace);
+ ctf_fs_trace->cc_prio_map = bt_clock_class_priority_map_create();
+ if (!ctf_fs_trace->cc_prio_map) {
+ ret = -1;
+ goto end;
+ }
+
+ count = bt_trace_get_clock_class_count(
+ ctf_fs_trace->metadata->trace);
+ BT_ASSERT(count >= 0);
+
+ for (i = 0; i < count; i++) {
+ struct bt_clock_class *clock_class =
+ bt_trace_borrow_clock_class_by_index(
+ ctf_fs_trace->metadata->trace, i);
+
+ BT_ASSERT(clock_class);
+ ret = bt_clock_class_priority_map_add_clock_class(
+ ctf_fs_trace->cc_prio_map, clock_class, 0);
+
+ if (ret) {
+ goto end;
+ }
+ }
+
+end:
+ return ret;
}
BT_HIDDEN
-enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp,
- struct bt_value *params, UNUSED_VAR void *init_method_data)
+struct ctf_fs_trace *ctf_fs_trace_create(const char *path, const char *name,
+ struct ctf_fs_metadata_config *metadata_config)
{
- struct ctf_fs_component *ctf_fs;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+ struct ctf_fs_trace *ctf_fs_trace;
+ int ret;
- assert(priv_comp);
- ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
- ctf_fs = ctf_fs_create(priv_comp, params);
- if (!ctf_fs) {
- ret = BT_COMPONENT_STATUS_NOMEM;
+ ctf_fs_trace = g_new0(struct ctf_fs_trace, 1);
+ if (!ctf_fs_trace) {
goto end;
}
- ret = bt_private_component_set_user_data(priv_comp, ctf_fs);
- if (ret != BT_COMPONENT_STATUS_OK) {
+ ctf_fs_trace->path = g_string_new(path);
+ if (!ctf_fs_trace->path) {
+ goto error;
+ }
+
+ ctf_fs_trace->name = g_string_new(name);
+ if (!ctf_fs_trace->name) {
+ goto error;
+ }
+
+ ctf_fs_trace->metadata = g_new0(struct ctf_fs_metadata, 1);
+ if (!ctf_fs_trace->metadata) {
+ goto error;
+ }
+
+ ctf_fs_trace->ds_file_groups = g_ptr_array_new_with_free_func(
+ (GDestroyNotify) ctf_fs_ds_file_group_destroy);
+ if (!ctf_fs_trace->ds_file_groups) {
+ goto error;
+ }
+
+ ret = ctf_fs_metadata_set_trace(ctf_fs_trace, metadata_config);
+ if (ret) {
goto error;
}
+
+ ret = create_ds_file_groups(ctf_fs_trace);
+ if (ret) {
+ goto error;
+ }
+
+ ret = create_cc_prio_map(ctf_fs_trace);
+ if (ret) {
+ goto error;
+ }
+
+ /*
+ * create_ds_file_groups() created all the streams that this
+ * trace needs. There won't be any more. Therefore it is safe to
+ * make this trace static.
+ */
+ (void) bt_trace_set_is_static(ctf_fs_trace->metadata->trace);
+
+ goto end;
+
+error:
+ ctf_fs_trace_destroy(ctf_fs_trace);
+ ctf_fs_trace = NULL;
end:
+ return ctf_fs_trace;
+}
+
+static
+int path_is_ctf_trace(const char *path)
+{
+ GString *metadata_path = g_string_new(NULL);
+ int ret = 0;
+
+ if (!metadata_path) {
+ ret = -1;
+ goto end;
+ }
+
+ g_string_printf(metadata_path, "%s" G_DIR_SEPARATOR_S "%s", path, CTF_FS_METADATA_FILENAME);
+
+ if (g_file_test(metadata_path->str, G_FILE_TEST_IS_REGULAR)) {
+ ret = 1;
+ goto end;
+ }
+
+end:
+ g_string_free(metadata_path, TRUE);
return ret;
-error:
- (void) bt_private_component_set_user_data(priv_comp, NULL);
- ctf_fs_destroy_data(ctf_fs);
+}
+
+static
+int add_trace_path(GList **trace_paths, const char *path)
+{
+ GString *norm_path = NULL;
+ int ret = 0;
+
+ norm_path = bt_common_normalize_path(path, NULL);
+ if (!norm_path) {
+ BT_LOGE("Failed to normalize path `%s`.", path);
+ ret = -1;
+ goto end;
+ }
+
+ // FIXME: Remove or ifdef for __MINGW32__
+ if (strcmp(norm_path->str, "/") == 0) {
+ BT_LOGE("Opening a trace in `/` is not supported.");
+ ret = -1;
+ goto end;
+ }
+
+ *trace_paths = g_list_prepend(*trace_paths, norm_path);
+ BT_ASSERT(*trace_paths);
+ norm_path = NULL;
+
+end:
+ if (norm_path) {
+ g_string_free(norm_path, TRUE);
+ }
+
return ret;
}
BT_HIDDEN
-struct bt_value *ctf_fs_query(struct bt_component_class *comp_class,
- const char *object, struct bt_value *params)
+int ctf_fs_find_traces(GList **trace_paths, const char *start_path)
{
- struct bt_value *results = NULL;
- struct bt_value *path_value = NULL;
- char *metadata_text = NULL;
- FILE *metadata_fp = NULL;
- GString *g_metadata_text = NULL;
-
- if (strcmp(object, "metadata-info") == 0) {
- int ret;
- int bo;
- const char *path;
- bool is_packetized;
-
- results = bt_value_map_create();
- if (!results) {
- goto error;
+ int ret;
+ GError *error = NULL;
+ GDir *dir = NULL;
+ const char *basename = NULL;
+
+ /* Check if the starting path is a CTF trace itself */
+ ret = path_is_ctf_trace(start_path);
+ if (ret < 0) {
+ goto end;
+ }
+
+ if (ret) {
+ /*
+ * Stop recursion: a CTF trace cannot contain another
+ * CTF trace.
+ */
+ ret = add_trace_path(trace_paths, start_path);
+ goto end;
+ }
+
+ /* Look for subdirectories */
+ if (!g_file_test(start_path, G_FILE_TEST_IS_DIR)) {
+ /* Starting path is not a directory: end of recursion */
+ goto end;
+ }
+
+ dir = g_dir_open(start_path, 0, &error);
+ if (!dir) {
+ if (error->code == G_FILE_ERROR_ACCES) {
+ BT_LOGD("Cannot open directory `%s`: %s (code %d): continuing",
+ start_path, error->message, error->code);
+ goto end;
}
- if (!bt_value_is_map(params)) {
- fprintf(stderr,
- "Query parameters is not a map value object\n");
- goto error;
+ BT_LOGE("Cannot open directory `%s`: %s (code %d)",
+ start_path, error->message, error->code);
+ ret = -1;
+ goto end;
+ }
+
+ while ((basename = g_dir_read_name(dir))) {
+ GString *sub_path = g_string_new(NULL);
+
+ if (!sub_path) {
+ ret = -1;
+ goto end;
}
- path_value = bt_value_map_get(params, "path");
- ret = bt_value_string_get(path_value, &path);
+ g_string_printf(sub_path, "%s" G_DIR_SEPARATOR_S "%s", start_path, basename);
+ ret = ctf_fs_find_traces(trace_paths, sub_path->str);
+ g_string_free(sub_path, TRUE);
if (ret) {
- fprintf(stderr,
- "Cannot get `path` string parameter\n");
- goto error;
+ goto end;
}
+ }
+
+end:
+ if (dir) {
+ g_dir_close(dir);
+ }
+
+ if (error) {
+ g_error_free(error);
+ }
+
+ return ret;
+}
+
+BT_HIDDEN
+GList *ctf_fs_create_trace_names(GList *trace_paths, const char *base_path) {
+ GList *trace_names = NULL;
+ GList *node;
+ const char *last_sep;
+ size_t base_dist;
+
+ /*
+ * At this point we know that all the trace paths are
+ * normalized, and so is the base path. This means that
+ * they are absolute and they don't end with a separator.
+ * We can simply find the location of the last separator
+ * in the base path, which gives us the name of the actual
+ * directory to look into, and use this location as the
+ * start of each trace name within each trace path.
+ *
+ * For example:
+ *
+ * Base path: /home/user/my-traces/some-trace
+ * Trace paths:
+ * - /home/user/my-traces/some-trace/host1/trace1
+ * - /home/user/my-traces/some-trace/host1/trace2
+ * - /home/user/my-traces/some-trace/host2/trace
+ * - /home/user/my-traces/some-trace/other-trace
+ *
+ * In this case the trace names are:
+ *
+ * - some-trace/host1/trace1
+ * - some-trace/host1/trace2
+ * - some-trace/host2/trace
+ * - some-trace/other-trace
+ */
+ last_sep = strrchr(base_path, G_DIR_SEPARATOR);
+
+ /* We know there's at least one separator */
+ BT_ASSERT(last_sep);
+
+ /* Distance to base */
+ base_dist = last_sep - base_path + 1;
+
+ /* Create the trace names */
+ for (node = trace_paths; node; node = g_list_next(node)) {
+ GString *trace_name = g_string_new(NULL);
+ GString *trace_path = node->data;
+
+ BT_ASSERT(trace_name);
+ g_string_assign(trace_name, &trace_path->str[base_dist]);
+ trace_names = g_list_append(trace_names, trace_name);
+ }
+
+ return trace_names;
+}
+
+static
+int create_ctf_fs_traces(struct ctf_fs_component *ctf_fs,
+ const char *path_param)
+{
+ struct ctf_fs_trace *ctf_fs_trace = NULL;
+ int ret = 0;
+ GString *norm_path = NULL;
+ GList *trace_paths = NULL;
+ GList *trace_names = NULL;
+ GList *tp_node;
+ GList *tn_node;
+
+ norm_path = bt_common_normalize_path(path_param, NULL);
+ if (!norm_path) {
+ BT_LOGE("Failed to normalize path: `%s`.",
+ path_param);
+ goto error;
+ }
+
+ ret = ctf_fs_find_traces(&trace_paths, norm_path->str);
+ if (ret) {
+ goto error;
+ }
+
+ if (!trace_paths) {
+ BT_LOGE("No CTF traces recursively found in `%s`.",
+ path_param);
+ goto error;
+ }
+
+ trace_names = ctf_fs_create_trace_names(trace_paths, norm_path->str);
+ if (!trace_names) {
+ BT_LOGE("Cannot create trace names from trace paths.");
+ goto error;
+ }
- assert(path);
- metadata_fp = ctf_fs_metadata_open_file(path);
- if (!metadata_fp) {
- fprintf(stderr,
- "Cannot open trace at path `%s`\n", path);
+ for (tp_node = trace_paths, tn_node = trace_names; tp_node;
+ tp_node = g_list_next(tp_node),
+ tn_node = g_list_next(tn_node)) {
+ GString *trace_path = tp_node->data;
+ GString *trace_name = tn_node->data;
+
+ ctf_fs_trace = ctf_fs_trace_create(trace_path->str,
+ trace_name->str, &ctf_fs->metadata_config);
+ if (!ctf_fs_trace) {
+ BT_LOGE("Cannot create trace for `%s`.",
+ trace_path->str);
goto error;
}
- is_packetized = ctf_metadata_decoder_is_packetized(metadata_fp,
- &bo);
-
- if (is_packetized) {
- ret = ctf_metadata_decoder_packetized_file_stream_to_buf(
- metadata_fp, &metadata_text, bo);
- if (ret) {
- fprintf(stderr,
- "Cannot decode packetized metadata file\n");
- goto error;
- }
- } else {
- long filesize;
-
- fseek(metadata_fp, 0, SEEK_END);
- filesize = ftell(metadata_fp);
- rewind(metadata_fp);
- metadata_text = malloc(filesize + 1);
- if (!metadata_text) {
- fprintf(stderr,
- "Cannot allocate buffer for metadata text\n");
- goto error;
- }
-
- if (fread(metadata_text, filesize, 1, metadata_fp) !=
- 1) {
- fprintf(stderr,
- "Cannot read metadata file\n");
- goto error;
- }
-
- metadata_text[filesize] = '\0';
+ ret = create_ports_for_trace(ctf_fs, ctf_fs_trace);
+ if (ret) {
+ goto error;
}
- g_metadata_text = g_string_new(NULL);
- if (!g_metadata_text) {
- goto error;
+ g_ptr_array_add(ctf_fs->traces, ctf_fs_trace);
+ ctf_fs_trace = NULL;
+ }
+
+ goto end;
+
+error:
+ ret = -1;
+ ctf_fs_trace_destroy(ctf_fs_trace);
+
+end:
+ for (tp_node = trace_paths; tp_node; tp_node = g_list_next(tp_node)) {
+ if (tp_node->data) {
+ g_string_free(tp_node->data, TRUE);
}
+ }
- if (strncmp(metadata_text, METADATA_TEXT_SIG,
- sizeof(METADATA_TEXT_SIG) - 1) != 0) {
- g_string_assign(g_metadata_text, METADATA_TEXT_SIG);
- g_string_append(g_metadata_text, " */\n\n");
+ for (tn_node = trace_names; tn_node; tn_node = g_list_next(tn_node)) {
+ if (tn_node->data) {
+ g_string_free(tn_node->data, TRUE);
}
+ }
- g_string_append(g_metadata_text, metadata_text);
+ if (trace_paths) {
+ g_list_free(trace_paths);
+ }
- ret = bt_value_map_insert_string(results, "text",
- g_metadata_text->str);
- if (ret) {
- fprintf(stderr, "Cannot insert metadata text into results\n");
+ if (trace_names) {
+ g_list_free(trace_names);
+ }
+
+ if (norm_path) {
+ g_string_free(norm_path, TRUE);
+ }
+
+ return ret;
+}
+
+static
+struct ctf_fs_component *ctf_fs_create(struct bt_private_component *priv_comp,
+ struct bt_value *params)
+{
+ struct ctf_fs_component *ctf_fs;
+ struct bt_value *value = NULL;
+ const char *path_param;
+ enum bt_component_status ret;
+ enum bt_value_status value_ret;
+
+ ctf_fs = g_new0(struct ctf_fs_component, 1);
+ if (!ctf_fs) {
+ goto end;
+ }
+
+ ret = bt_private_component_set_user_data(priv_comp, ctf_fs);
+ BT_ASSERT(ret == BT_COMPONENT_STATUS_OK);
+
+ /*
+ * We don't need to get a new reference here because as long as
+ * our private ctf_fs_component object exists, the containing
+ * private component should also exist.
+ */
+ ctf_fs->priv_comp = priv_comp;
+ value = bt_value_map_borrow(params, "path");
+ if (value && !bt_value_is_string(value)) {
+ goto error;
+ }
+
+ value_ret = bt_value_string_get(value, &path_param);
+ BT_ASSERT(value_ret == BT_VALUE_STATUS_OK);
+ value = bt_value_map_borrow(params, "clock-class-offset-s");
+ if (value) {
+ if (!bt_value_is_integer(value)) {
+ BT_LOGE("clock-class-offset-s should be an integer");
goto error;
}
+ value_ret = bt_value_integer_get(value,
+ &ctf_fs->metadata_config.clock_class_offset_s);
+ BT_ASSERT(value_ret == BT_VALUE_STATUS_OK);
+ }
- ret = bt_value_map_insert_bool(results, "is-packetized",
- is_packetized);
- if (ret) {
- fprintf(stderr, "Cannot insert is packetized into results\n");
+ value = bt_value_map_borrow(params, "clock-class-offset-ns");
+ if (value) {
+ if (!bt_value_is_integer(value)) {
+ BT_LOGE("clock-class-offset-ns should be an integer");
goto error;
}
- } else {
- fprintf(stderr, "Unknown query object `%s`\n", object);
+ value_ret = bt_value_integer_get(value,
+ &ctf_fs->metadata_config.clock_class_offset_ns);
+ BT_ASSERT(value_ret == BT_VALUE_STATUS_OK);
+ }
+
+ ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy);
+ if (!ctf_fs->port_data) {
+ goto error;
+ }
+
+ ctf_fs->traces = g_ptr_array_new_with_free_func(
+ ctf_fs_trace_destroy_notifier);
+ if (!ctf_fs->traces) {
+ goto error;
+ }
+
+ if (create_ctf_fs_traces(ctf_fs, path_param)) {
goto error;
}
goto end;
error:
- BT_PUT(results);
+ ctf_fs_destroy(ctf_fs);
+ ctf_fs = NULL;
+ ret = bt_private_component_set_user_data(priv_comp, NULL);
+ BT_ASSERT(ret == BT_COMPONENT_STATUS_OK);
end:
- bt_put(path_value);
- free(metadata_text);
+ return ctf_fs;
+}
+
+BT_HIDDEN
+enum bt_component_status ctf_fs_init(struct bt_private_component *priv_comp,
+ struct bt_value *params, UNUSED_VAR void *init_method_data)
+{
+ struct ctf_fs_component *ctf_fs;
+ enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
- if (g_metadata_text) {
- g_string_free(g_metadata_text, TRUE);
+ ctf_fs = ctf_fs_create(priv_comp, params);
+ if (!ctf_fs) {
+ ret = BT_COMPONENT_STATUS_ERROR;
}
- if (metadata_fp) {
- fclose(metadata_fp);
+ return ret;
+}
+
+BT_HIDDEN
+struct bt_component_class_query_method_return ctf_fs_query(
+ struct bt_component_class *comp_class,
+ struct bt_query_executor *query_exec,
+ const char *object, struct bt_value *params)
+{
+ struct bt_component_class_query_method_return ret = {
+ .result = NULL,
+ .status = BT_QUERY_STATUS_OK,
+ };
+
+ if (!strcmp(object, "metadata-info")) {
+ ret = metadata_info_query(comp_class, params);
+ } else if (!strcmp(object, "trace-info")) {
+ ret = trace_info_query(comp_class, params);
+ } else {
+ BT_LOGE("Unknown query object `%s`", object);
+ ret.status = BT_QUERY_STATUS_INVALID_OBJECT;
+ goto end;
}
- return results;
+end:
+ return ret;
}
projects / babeltrace.git / blobdiff