#include <babeltrace/ctf-ir/packet.h>
#include <babeltrace/ctf-ir/clock-class.h>
-#include <babeltrace/component/notification/iterator.h>
-#include <babeltrace/component/notification/stream.h>
-#include <babeltrace/component/notification/event.h>
-#include <babeltrace/component/notification/packet.h>
-#include <babeltrace/component/notification/heap.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 <plugins-common.h>
#include <glib.h>
#include <assert.h>
#include <unistd.h>
#define PRINT_ERR_STREAM ctf_fs->error_fp
#define PRINT_PREFIX "ctf-fs"
#include "print.h"
+#define METADATA_TEXT_SIG "/* CTF 1.8"
BT_HIDDEN
bool ctf_fs_debug;
-static
-enum bt_notification_iterator_status ctf_fs_iterator_next(
- struct bt_notification_iterator *iterator);
-
-static
-struct bt_notification *ctf_fs_iterator_get(
- struct bt_notification_iterator *iterator)
+struct bt_notification_iterator_next_return ctf_fs_iterator_next(
+ struct bt_private_notification_iterator *iterator)
{
- struct ctf_fs_iterator *ctf_it =
- bt_notification_iterator_get_private_data(iterator);
+ struct ctf_fs_stream *fs_stream =
+ bt_private_notification_iterator_get_user_data(iterator);
- if (!ctf_it->current_notification) {
- (void) ctf_fs_iterator_next(iterator);
- }
+ return ctf_fs_stream_next(fs_stream);
+}
+
+void ctf_fs_iterator_finalize(struct bt_private_notification_iterator *it)
+{
+ void *ctf_fs_stream =
+ bt_private_notification_iterator_get_user_data(it);
- return bt_get(ctf_it->current_notification);
+ ctf_fs_stream_destroy(ctf_fs_stream);
}
-static
-enum bt_notification_iterator_status ctf_fs_iterator_get_next_notification(
- struct ctf_fs_iterator *it,
- struct ctf_fs_stream *stream,
- struct bt_notification **notification)
+enum bt_notification_iterator_status ctf_fs_iterator_init(
+ struct bt_private_notification_iterator *it,
+ struct bt_private_port *port)
{
- enum bt_ctf_notif_iter_status status;
- enum bt_notification_iterator_status ret;
+ 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);
+ enum bt_notification_iterator_status ret =
+ BT_NOTIFICATION_ITERATOR_STATUS_OK;
- if (stream->end_reached) {
- status = BT_CTF_NOTIF_ITER_STATUS_EOF;
- goto end;
- }
+ assert(priv_comp);
- status = bt_ctf_notif_iter_get_next_notification(stream->notif_iter,
- notification);
- if (status != BT_CTF_NOTIF_ITER_STATUS_OK &&
- status != BT_CTF_NOTIF_ITER_STATUS_EOF) {
- goto end;
+ ctf_fs = bt_private_component_get_user_data(priv_comp);
+ if (!ctf_fs) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto error;
}
- /* Should be handled in bt_ctf_notif_iter_get_next_notification. */
- if (status == BT_CTF_NOTIF_ITER_STATUS_EOF) {
- *notification = bt_notification_stream_end_create(
- stream->stream);
- if (!*notification) {
- status = BT_CTF_NOTIF_ITER_STATUS_ERROR;
- }
- status = BT_CTF_NOTIF_ITER_STATUS_OK;
- stream->end_reached = true;
+ port_data = bt_private_port_get_user_data(port);
+ if (!port_data) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_INVAL;
+ goto error;
}
-end:
- switch (status) {
- case BT_CTF_NOTIF_ITER_STATUS_EOF:
- ret = BT_NOTIFICATION_ITERATOR_STATUS_END;
- break;
- case BT_CTF_NOTIF_ITER_STATUS_OK:
- ret = BT_NOTIFICATION_ITERATOR_STATUS_OK;
- break;
- case BT_CTF_NOTIF_ITER_STATUS_AGAIN:
- /*
- * Should not make it this far as this is medium-specific;
- * there is nothing for the user to do and it should have been
- * handled upstream.
- */
- assert(0);
- case BT_CTF_NOTIF_ITER_STATUS_INVAL:
- /* No argument provided by the user, so don't return INVAL. */
- case BT_CTF_NOTIF_ITER_STATUS_ERROR:
- default:
- ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
- break;
+
+ stream = ctf_fs_stream_create(ctf_fs, port_data->path->str);
+ if (!stream) {
+ goto error;
}
- return ret;
-}
-/*
- * Remove me. This is a temporary work-around due to our inhability to use
- * libbabeltrace-ctf from libbabeltrace-plugin.
- */
-static
-struct bt_ctf_stream *internal_bt_notification_get_stream(
- struct bt_notification *notification)
-{
- struct bt_ctf_stream *stream = NULL;
-
- assert(notification);
- switch (bt_notification_get_type(notification)) {
- case BT_NOTIFICATION_TYPE_EVENT:
- {
- struct bt_ctf_event *event;
-
- event = bt_notification_event_get_event(notification);
- stream = bt_ctf_event_get_stream(event);
- bt_put(event);
- break;
- }
- case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
- {
- struct bt_ctf_packet *packet;
-
- packet = bt_notification_packet_begin_get_packet(notification);
- stream = bt_ctf_packet_get_stream(packet);
- bt_put(packet);
- break;
- }
- case BT_NOTIFICATION_TYPE_PACKET_END:
- {
- struct bt_ctf_packet *packet;
-
- packet = bt_notification_packet_end_get_packet(notification);
- stream = bt_ctf_packet_get_stream(packet);
- bt_put(packet);
- break;
- }
- case BT_NOTIFICATION_TYPE_STREAM_END:
- stream = bt_notification_stream_end_get_stream(notification);
- break;
- default:
- goto end;
+ ret = bt_private_notification_iterator_set_user_data(it, stream);
+ if (ret) {
+ goto error;
}
-end:
- return stream;
-}
-static
-enum bt_notification_iterator_status populate_heap(struct ctf_fs_iterator *it)
-{
- size_t i, pending_streams_count = it->pending_streams->len;
- enum bt_notification_iterator_status ret =
- BT_NOTIFICATION_ITERATOR_STATUS_OK;
-
- /* Insert one stream-associated notification for each stream. */
- for (i = 0; i < pending_streams_count; i++) {
- struct bt_notification *notification;
- struct ctf_fs_stream *fs_stream;
- struct bt_ctf_stream *stream;
- size_t pending_stream_index = pending_streams_count - 1 - i;
-
- fs_stream = g_ptr_array_index(it->pending_streams,
- pending_stream_index);
-
- do {
- int heap_ret;
-
- ret = ctf_fs_iterator_get_next_notification(
- it, fs_stream, ¬ification);
- if (ret && ret != BT_NOTIFICATION_ITERATOR_STATUS_END) {
- printf_debug("Failed to populate heap at stream %zu\n",
- pending_stream_index);
- goto end;
- }
+ stream = NULL;
+ goto end;
- stream = internal_bt_notification_get_stream(
- notification);
- if (stream) {
- gboolean inserted;
-
- /*
- * Associate pending ctf_fs_stream to
- * bt_ctf_stream. Ownership of stream
- * is passed to the stream ht.
- */
- inserted = g_hash_table_insert(it->stream_ht,
- stream, fs_stream);
- if (!inserted) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
- printf_debug("Failed to associate fs stream to ctf stream\n");
- 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;
+ }
- heap_ret = bt_notification_heap_insert(
- it->pending_notifications,
- notification);
- bt_put(notification);
- if (heap_ret) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
- printf_debug("Failed to insert notification in heap\n");
- goto end;
- }
- } while (!stream && ret != BT_NOTIFICATION_ITERATOR_STATUS_END);
- /*
- * Set NULL so the destruction callback registered with the
- * array is not invoked on the stream (its ownership was
- * transferred to the streams hashtable).
- */
- g_ptr_array_index(it->pending_streams,
- pending_stream_index) = NULL;
- g_ptr_array_remove_index(it->pending_streams,
- pending_stream_index);
- }
-
- g_ptr_array_free(it->pending_streams, TRUE);
- it->pending_streams = NULL;
end:
+ ctf_fs_stream_destroy(stream);
+ bt_put(priv_comp);
return ret;
}
static
-enum bt_notification_iterator_status ctf_fs_iterator_next(
- struct bt_notification_iterator *iterator)
+void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs)
{
- int heap_ret;
- struct bt_ctf_stream *stream = NULL;
- struct ctf_fs_stream *fs_stream;
- struct bt_notification *notification;
- struct bt_notification *next_stream_notification;
- enum bt_notification_iterator_status ret =
- BT_NOTIFICATION_ITERATOR_STATUS_OK;
- struct ctf_fs_iterator *ctf_it =
- bt_notification_iterator_get_private_data(iterator);
+ if (!ctf_fs) {
+ return;
+ }
- notification = bt_notification_heap_pop(ctf_it->pending_notifications);
- if (!notification && !ctf_it->pending_streams) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_END;
- goto end;
+ if (ctf_fs->trace_path) {
+ g_string_free(ctf_fs->trace_path, TRUE);
}
- if (!notification && ctf_it->pending_streams) {
- /*
- * Insert at one notification per stream in the heap and pop
- * one.
- */
- ret = populate_heap(ctf_it);
- if (ret) {
- goto end;
- }
+ if (ctf_fs->port_data) {
+ g_ptr_array_free(ctf_fs->port_data, TRUE);
+ }
- notification = bt_notification_heap_pop(
- ctf_it->pending_notifications);
- if (!notification) {
- ret = BT_NOTIFICATION_ITERATOR_STATUS_END;
- goto end;
- }
+ if (ctf_fs->metadata) {
+ ctf_fs_metadata_fini(ctf_fs->metadata);
+ g_free(ctf_fs->metadata);
}
- /* notification is set from here. */
+ bt_put(ctf_fs->cc_prio_map);
+ g_free(ctf_fs);
+}
- stream = internal_bt_notification_get_stream(notification);
- if (!stream) {
- /*
- * The current notification is not associated to a particular
- * stream, there is no need to insert a new notification from
- * a stream in the heap.
- */
- goto end;
- }
+void ctf_fs_finalize(struct bt_private_component *component)
+{
+ void *data = bt_private_component_get_user_data(component);
- fs_stream = g_hash_table_lookup(ctf_it->stream_ht, stream);
- if (!fs_stream) {
- /* We have reached this stream's end. */
- goto end;
- }
+ ctf_fs_destroy_data(data);
+}
- ret = ctf_fs_iterator_get_next_notification(ctf_it, fs_stream,
- &next_stream_notification);
- if ((ret && ret != BT_NOTIFICATION_ITERATOR_STATUS_END)) {
- heap_ret = bt_notification_heap_insert(
- ctf_it->pending_notifications, notification);
+static
+void port_data_destroy(void *data) {
+ struct ctf_fs_port_data *port_data = data;
- assert(!next_stream_notification);
- if (heap_ret) {
- /*
- * We're dropping the most recent notification, but at
- * this point, something is seriously wrong...
- */
- ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
- }
- BT_PUT(notification);
- goto end;
+ if (!port_data) {
+ return;
}
- if (ret == BT_NOTIFICATION_ITERATOR_STATUS_END) {
- gboolean success;
-
- /* Remove stream. */
- success = g_hash_table_remove(ctf_it->stream_ht, stream);
- assert(success);
- ret = BT_NOTIFICATION_ITERATOR_STATUS_OK;
- } else {
- heap_ret = bt_notification_heap_insert(ctf_it->pending_notifications,
- next_stream_notification);
- BT_PUT(next_stream_notification);
- if (heap_ret) {
- /*
- * We're dropping the most recent notification...
- */
- ret = BT_NOTIFICATION_ITERATOR_STATUS_NOMEM;
- }
+ if (port_data->path) {
+ g_string_free(port_data->path, TRUE);
}
- /*
- * Ensure that the stream is removed from both pending_streams and
- * the streams hashtable on reception of the "end of stream"
- * notification.
- */
-end:
- BT_MOVE(ctf_it->current_notification, notification);
- bt_put(stream);
- return ret;
+ g_free(port_data);
}
static
-void ctf_fs_iterator_destroy_data(struct ctf_fs_iterator *ctf_it)
+int create_one_port(struct ctf_fs_component *ctf_fs,
+ const char *stream_basename, const char *stream_path)
{
- bt_put(ctf_it->current_notification);
- bt_put(ctf_it->pending_notifications);
- if (ctf_it->pending_streams) {
- g_ptr_array_free(ctf_it->pending_streams, TRUE);
+ 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);
+ if (!port_name) {
+ goto error;
}
- if (ctf_it->stream_ht) {
- g_hash_table_destroy(ctf_it->stream_ht);
+
+ /* 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);
+
+ /* Create output port for this file */
+ port = bt_private_component_source_add_output_private_port(
+ ctf_fs->priv_comp, port_name->str);
+ if (!port) {
+ goto error;
}
- g_free(ctf_it);
-}
-static
-void ctf_fs_iterator_destroy(struct bt_notification_iterator *it)
-{
- void *data = bt_notification_iterator_get_private_data(it);
+ port_data = g_new0(struct ctf_fs_port_data, 1);
+ if (!port_data) {
+ goto error;
+ }
- ctf_fs_iterator_destroy_data(data);
-}
+ port_data->path = g_string_new(stream_path);
+ if (!port_data->path) {
+ goto error;
+ }
-static
-bool compare_event_notifications(struct bt_notification *a,
- struct bt_notification *b)
-{
- int ret;
- struct bt_ctf_clock_class *clock_class;
- struct bt_ctf_clock_value *a_clock_value, *b_clock_value;
- struct bt_ctf_stream_class *a_stream_class;
- struct bt_ctf_stream *a_stream;
- struct bt_ctf_event *a_event, *b_event;
- struct bt_ctf_trace *trace;
- int64_t a_ts, b_ts;
-
- // FIXME - assumes only one clock
- a_event = bt_notification_event_get_event(a);
- b_event = bt_notification_event_get_event(b);
- assert(a_event);
- assert(b_event);
-
- a_stream = bt_ctf_event_get_stream(a_event);
- assert(a_stream);
- a_stream_class = bt_ctf_stream_get_class(a_stream);
- assert(a_stream_class);
- trace = bt_ctf_stream_class_get_trace(a_stream_class);
- assert(trace);
-
- clock_class = bt_ctf_trace_get_clock_class(trace, 0);
- a_clock_value = bt_ctf_event_get_clock_value(a_event, clock_class);
- b_clock_value = bt_ctf_event_get_clock_value(b_event, clock_class);
- assert(a_clock_value);
- assert(b_clock_value);
-
- ret = bt_ctf_clock_value_get_value_ns_from_epoch(a_clock_value, &a_ts);
- assert(!ret);
- ret = bt_ctf_clock_value_get_value_ns_from_epoch(b_clock_value, &b_ts);
- assert(!ret);
-
- bt_put(a_event);
- bt_put(b_event);
- bt_put(a_clock_value);
- bt_put(b_clock_value);
- bt_put(a_stream);
- bt_put(a_stream_class);
- bt_put(clock_class);
- bt_put(trace);
- return a_ts < b_ts;
-}
+ ret = bt_private_port_set_user_data(port, port_data);
+ if (ret) {
+ goto error;
+ }
-static
-bool compare_notifications(struct bt_notification *a, struct bt_notification *b,
- void *unused)
-{
- static int notification_priorities[] = {
- [BT_NOTIFICATION_TYPE_NEW_TRACE] = 0,
- [BT_NOTIFICATION_TYPE_NEW_STREAM_CLASS] = 1,
- [BT_NOTIFICATION_TYPE_NEW_EVENT_CLASS] = 2,
- [BT_NOTIFICATION_TYPE_PACKET_BEGIN] = 3,
- [BT_NOTIFICATION_TYPE_PACKET_END] = 4,
- [BT_NOTIFICATION_TYPE_EVENT] = 5,
- [BT_NOTIFICATION_TYPE_END_OF_TRACE] = 6,
- };
- int a_prio, b_prio;
- enum bt_notification_type a_type, b_type;
-
- assert(a && b);
- a_type = bt_notification_get_type(a);
- b_type = bt_notification_get_type(b);
- assert(a_type > BT_NOTIFICATION_TYPE_ALL);
- assert(a_type < BT_NOTIFICATION_TYPE_NR);
- assert(b_type > BT_NOTIFICATION_TYPE_ALL);
- assert(b_type < BT_NOTIFICATION_TYPE_NR);
-
- a_prio = notification_priorities[a_type];
- b_prio = notification_priorities[b_type];
-
- if (likely((a_type == b_type) && a_type == BT_NOTIFICATION_TYPE_EVENT)) {
- return compare_event_notifications(a, b);
- }
-
- if (unlikely(a_prio != b_prio)) {
- return a_prio < b_prio;
- }
-
- /* Notification types are equal, but not of type "event". */
- switch (a_type) {
- case BT_NOTIFICATION_TYPE_PACKET_BEGIN:
- case BT_NOTIFICATION_TYPE_PACKET_END:
- case BT_NOTIFICATION_TYPE_STREAM_END:
- {
- int64_t a_sc_id, b_sc_id;
- struct bt_ctf_stream *a_stream, *b_stream;
- struct bt_ctf_stream_class *a_sc, *b_sc;
-
- a_stream = internal_bt_notification_get_stream(a);
- b_stream = internal_bt_notification_get_stream(b);
- assert(a_stream && b_stream);
-
- a_sc = bt_ctf_stream_get_class(a_stream);
- b_sc = bt_ctf_stream_get_class(b_stream);
- assert(a_sc && b_sc);
-
- a_sc_id = bt_ctf_stream_class_get_id(a_sc);
- b_sc_id = bt_ctf_stream_class_get_id(b_sc);
- assert(a_sc_id >= 0 && b_sc_id >= 0);
- bt_put(a_sc);
- bt_put(a_stream);
- bt_put(b_sc);
- bt_put(b_stream);
- return a_sc_id < b_sc_id;
- }
- case BT_NOTIFICATION_TYPE_NEW_TRACE:
- case BT_NOTIFICATION_TYPE_END_OF_TRACE:
- /* Impossible to have two separate traces. */
- default:
- assert(0);
- }
-
- assert(0);
- return a < b;
-}
+ g_ptr_array_add(ctf_fs->port_data, port_data);
+ port_data = NULL;
+ goto end;
-static
-void stream_destroy(void *stream)
-{
- ctf_fs_stream_destroy((struct ctf_fs_stream *) stream);
+error:
+ ret = -1;
+
+end:
+ if (port_name) {
+ g_string_free(port_name, TRUE);
+ }
+
+ bt_put(port);
+ port_data_destroy(port_data);
+ return ret;
}
static
-int open_trace_streams(struct ctf_fs_component *ctf_fs,
- struct ctf_fs_iterator *ctf_it)
+int create_ports(struct ctf_fs_component *ctf_fs)
{
int ret = 0;
- const char *name;
+ const char *basename;
GError *error = NULL;
- GDir *dir = g_dir_open(ctf_fs->trace_path->str, 0, &error);
+ GDir *dir = NULL;
+ struct bt_private_port *def_port;
+ struct ctf_fs_file *file = NULL;
+
+ /* Remove default port if needed */
+ def_port = bt_private_component_source_get_default_output_private_port(
+ ctf_fs->priv_comp);
+ if (def_port) {
+ bt_private_port_remove_from_component(def_port);
+ bt_put(def_port);
+ }
+ /* 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);
+ PERR("Cannot open directory `%s`: %s (code %d)\n",
+ ctf_fs->trace_path->str, error->message,
+ error->code);
goto error;
}
- while ((name = g_dir_read_name(dir))) {
- struct ctf_fs_file *file = NULL;
- struct ctf_fs_stream *stream = NULL;
-
- if (!strcmp(name, CTF_FS_METADATA_FILENAME)) {
+ while ((basename = g_dir_read_name(dir))) {
+ if (!strcmp(basename, CTF_FS_METADATA_FILENAME)) {
/* Ignore the metadata stream. */
- PDBG("Ignoring metadata file \"%s\"\n",
- name);
+ PDBG("Ignoring metadata file `%s`\n", basename);
continue;
}
- if (name[0] == '.') {
- PDBG("Ignoring hidden file \"%s\"\n",
- name);
+ if (basename[0] == '.') {
+ PDBG("Ignoring hidden file `%s`\n", basename);
continue;
}
/* Create the file. */
file = ctf_fs_file_create(ctf_fs);
if (!file) {
- PERR("Cannot create stream file object\n");
+ PERR("Cannot create stream file object for file `%s`\n",
+ basename);
goto error;
}
/* Create full path string. */
g_string_append_printf(file->path, "%s/%s",
- ctf_fs->trace_path->str, name);
+ 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", name);
+ PDBG("Ignoring non-regular file `%s`\n", basename);
ctf_fs_file_destroy(file);
+ file = NULL;
continue;
}
- /* Open the file. */
- if (ctf_fs_file_open(ctf_fs, file, "rb")) {
- ctf_fs_file_destroy(file);
+ ret = ctf_fs_file_open(ctf_fs, file, "rb");
+ if (ret) {
+ PERR("Cannot open stream file `%s`\n", basename);
goto error;
}
if (file->size == 0) {
/* Skip empty stream. */
+ PDBG("Ignoring empty file `%s`\n", basename);
ctf_fs_file_destroy(file);
+ file = NULL;
continue;
}
- /* Create a private stream; file ownership is passed to it. */
- stream = ctf_fs_stream_create(ctf_fs, file);
- if (!stream) {
- ctf_fs_file_destroy(file);
+ ret = create_one_port(ctf_fs, basename, file->path->str);
+ if (ret) {
+ PERR("Cannot create output port for file `%s`\n",
+ basename);
goto error;
}
- g_ptr_array_add(ctf_it->pending_streams, stream);
+ ctf_fs_file_destroy(file);
+ file = NULL;
}
goto end;
+
error:
ret = -1;
+
end:
if (dir) {
g_dir_close(dir);
dir = NULL;
}
+
if (error) {
g_error_free(error);
}
+
+ ctf_fs_file_destroy(file);
return ret;
}
-enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
- struct bt_notification_iterator *it)
+static
+int create_cc_prio_map(struct ctf_fs_component *ctf_fs)
{
- struct ctf_fs_iterator *ctf_it;
- struct ctf_fs_component *ctf_fs;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- assert(source && it);
-
- ctf_fs = bt_component_get_private_data(source);
- if (!ctf_fs) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
+ int ret = 0;
+ size_t i;
+ int count;
- ctf_it = g_new0(struct ctf_fs_iterator, 1);
- if (!ctf_it) {
- ret = BT_COMPONENT_STATUS_NOMEM;
+ assert(ctf_fs);
+ ctf_fs->cc_prio_map = bt_clock_class_priority_map_create();
+ if (!ctf_fs->cc_prio_map) {
+ ret = -1;
goto end;
}
- ctf_it->stream_ht = g_hash_table_new_full(g_direct_hash,
- g_direct_equal, bt_put, stream_destroy);
- if (!ctf_it->stream_ht) {
- goto error;
- }
- ctf_it->pending_streams = g_ptr_array_new_with_free_func(
- stream_destroy);
- if (!ctf_it->pending_streams) {
- goto error;
- }
- ctf_it->pending_notifications = bt_notification_heap_create(
- compare_notifications, NULL);
- if (!ctf_it->pending_notifications) {
- goto error;
- }
-
- ret = open_trace_streams(ctf_fs, ctf_it);
- if (ret) {
- goto error;
- }
-
- ret = bt_notification_iterator_set_get_cb(it, ctf_fs_iterator_get);
- if (ret) {
- goto error;
- }
+ count = bt_ctf_trace_get_clock_class_count(ctf_fs->metadata->trace);
+ assert(count >= 0);
- ret = bt_notification_iterator_set_next_cb(it, ctf_fs_iterator_next);
- if (ret) {
- goto error;
- }
+ for (i = 0; i < count; i++) {
+ struct bt_ctf_clock_class *clock_class =
+ bt_ctf_trace_get_clock_class(ctf_fs->metadata->trace,
+ i);
- ret = bt_notification_iterator_set_destroy_cb(it,
- ctf_fs_iterator_destroy);
- if (ret) {
- goto error;
- }
+ assert(clock_class);
+ ret = bt_clock_class_priority_map_add_clock_class(
+ ctf_fs->cc_prio_map, clock_class, 0);
+ BT_PUT(clock_class);
- ret = bt_notification_iterator_set_private_data(it, ctf_it);
- if (ret) {
- goto error;
+ if (ret) {
+ goto end;
+ }
}
end:
return ret;
-error:
- (void) bt_notification_iterator_set_private_data(it, NULL);
- ctf_fs_iterator_destroy_data(ctf_it);
- goto end;
-}
-
-static
-void ctf_fs_destroy_data(struct ctf_fs_component *ctf_fs)
-{
- if (ctf_fs->trace_path) {
- g_string_free(ctf_fs->trace_path, TRUE);
- }
- if (ctf_fs->metadata) {
- ctf_fs_metadata_fini(ctf_fs->metadata);
- g_free(ctf_fs->metadata);
- }
- g_free(ctf_fs);
-}
-
-void ctf_fs_destroy(struct bt_component *component)
-{
- void *data = bt_component_get_private_data(component);
-
- ctf_fs_destroy_data(data);
}
static
-struct ctf_fs_component *ctf_fs_create(struct bt_value *params)
+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;
- enum bt_value_status ret;
+ int ret;
ctf_fs = g_new0(struct ctf_fs_component, 1);
if (!ctf_fs) {
goto end;
}
+ /*
+ * 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;
+
/* 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)) {
}
ret = bt_value_string_get(value, &path);
- if (ret != BT_VALUE_STATUS_OK) {
+ if (ret) {
+ goto error;
+ }
+
+ ctf_fs->port_data = g_ptr_array_new_with_free_func(port_data_destroy);
+ if (!ctf_fs->port_data) {
goto error;
}
if (!ctf_fs->metadata) {
goto error;
}
- ctf_fs_metadata_set_trace(ctf_fs);
+
+ ret = ctf_fs_metadata_set_trace(ctf_fs);
+ if (ret) {
+ goto error;
+ }
+
+ ret = create_cc_prio_map(ctf_fs);
+ if (ret) {
+ goto error;
+ }
+
+ ret = create_ports(ctf_fs);
+ if (ret) {
+ goto error;
+ }
+
goto end;
error:
}
BT_HIDDEN
-enum bt_component_status ctf_fs_init(struct bt_component *source,
- struct bt_value *params)
+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;
- assert(source);
+ assert(priv_comp);
ctf_fs_debug = g_strcmp0(getenv("CTF_FS_DEBUG"), "1") == 0;
- ctf_fs = ctf_fs_create(params);
+ ctf_fs = ctf_fs_create(priv_comp, params);
if (!ctf_fs) {
ret = BT_COMPONENT_STATUS_NOMEM;
goto end;
}
- ret = bt_component_set_private_data(source, ctf_fs);
+ ret = bt_private_component_set_user_data(priv_comp, ctf_fs);
if (ret != BT_COMPONENT_STATUS_OK) {
goto error;
}
end:
return ret;
error:
- (void) bt_component_set_private_data(source, NULL);
+ (void) bt_private_component_set_user_data(priv_comp, NULL);
ctf_fs_destroy_data(ctf_fs);
return ret;
}
+
+BT_HIDDEN
+struct bt_value *ctf_fs_query(struct bt_component_class *comp_class,
+ const char *object, struct bt_value *params)
+{
+ 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;
+ }
+
+ if (!bt_value_is_map(params)) {
+ fprintf(stderr,
+ "Query parameters is not a map value object\n");
+ goto error;
+ }
+
+ path_value = bt_value_map_get(params, "path");
+ ret = bt_value_string_get(path_value, &path);
+ if (ret) {
+ fprintf(stderr,
+ "Cannot get `path` string parameter\n");
+ 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);
+ goto error;
+ }
+
+ is_packetized = ctf_metadata_is_packetized(metadata_fp, &bo);
+
+ if (is_packetized) {
+ ret = ctf_metadata_packetized_file_to_buf(NULL,
+ metadata_fp, (uint8_t **) &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';
+ }
+
+ g_metadata_text = g_string_new(NULL);
+ if (!g_metadata_text) {
+ goto error;
+ }
+
+ 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");
+ }
+
+ g_string_append(g_metadata_text, metadata_text);
+
+ ret = bt_value_map_insert_string(results, "text",
+ g_metadata_text->str);
+ if (ret) {
+ fprintf(stderr, "Cannot insert metadata text into results\n");
+ goto error;
+ }
+
+ ret = bt_value_map_insert_bool(results, "is-packetized",
+ is_packetized);
+ if (ret) {
+ fprintf(stderr, "Cannot insert is packetized into results\n");
+ goto error;
+ }
+ } else {
+ fprintf(stderr, "Unknown query object `%s`\n", object);
+ goto error;
+ }
+
+ goto end;
+
+error:
+ BT_PUT(results);
+
+end:
+ bt_put(path_value);
+ free(metadata_text);
+
+ if (g_metadata_text) {
+ g_string_free(g_metadata_text, TRUE);
+ }
+
+ if (metadata_fp) {
+ fclose(metadata_fp);
+ }
+ return results;
+}