*/
#include <babeltrace/plugin/plugin-system.h>
+#include <babeltrace/plugin/notification/iterator.h>
#include <glib.h>
#include <assert.h>
-#include "fs-internal.h"
+#include <unistd.h>
+#include "fs.h"
+#include "metadata.h"
+#include "data-stream.h"
static bool ctf_fs_debug;
static
-struct ctf_fs_component *ctf_fs_create(struct bt_value *params)
+struct bt_notification *ctf_fs_iterator_get(
+ struct bt_notification_iterator *iterator)
{
- return g_new0(struct ctf_fs_component, 1);
+ struct bt_notification *notification = NULL;
+ struct ctf_fs_component *ctf_fs;
+ struct bt_component *component = bt_notification_iterator_get_component(
+ iterator);
+
+ if (!component) {
+ goto end;
+ }
+
+ ctf_fs = bt_component_get_private_data(component);
+ if (!ctf_fs) {
+ goto end;
+ }
+
+ notification = bt_get(ctf_fs->current_notification);
+end:
+ return notification;
}
static
-void ctf_fs_destroy(void *data)
+enum bt_notification_iterator_status ctf_fs_iterator_next(
+ struct bt_notification_iterator *iterator)
{
- g_free(data);
+ enum bt_notification_iterator_status ret;
+ struct bt_notification *notification = NULL;
+ struct ctf_fs_component *ctf_fs;
+ struct bt_component *component = bt_notification_iterator_get_component(
+ iterator);
+
+ if (!component) {
+ ret = BT_NOTIFICATION_ITERATOR_STATUS_ERROR;
+ goto end;
+ }
+
+ ctf_fs = bt_component_get_private_data(component);
+ assert(ctf_fs);
+
+ ret = ctf_fs_data_stream_get_next_notification(ctf_fs, ¬ification);
+ if (ret || !notification) {
+ goto end;
+ }
+
+ bt_put(ctf_fs->current_notification);
+ ctf_fs->current_notification = notification;
+end:
+ return ret;
}
-BT_HIDDEN
+static
+void ctf_fs_iterator_destroy_data(struct ctf_fs_iterator *ctf_it)
+{
+ g_free(ctf_it);
+}
+
+static
+void ctf_fs_iterator_destroy(struct bt_notification_iterator *it)
+{
+ void *data = bt_notification_iterator_get_private_data(it);
+
+ ctf_fs_iterator_destroy_data(data);
+}
+
+static
enum bt_component_status ctf_fs_iterator_init(struct bt_component *source,
struct bt_notification_iterator *it)
{
+ struct ctf_fs_iterator *ctf_it;
enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
assert(source && it);
+ ctf_it = g_new0(struct ctf_fs_iterator, 1);
+ if (!ctf_it) {
+ ret = BT_COMPONENT_STATUS_NOMEM;
+ goto end;
+ }
+
+ ret = bt_notification_iterator_set_get_cb(it, ctf_fs_iterator_get);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_notification_iterator_set_next_cb(it, ctf_fs_iterator_next);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_notification_iterator_set_destroy_cb(it,
+ ctf_fs_iterator_destroy);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_notification_iterator_set_private_data(it, ctf_it);
+ if (ret) {
+ goto error;
+ }
+end:
return ret;
+error:
+ (void) bt_notification_iterator_set_private_data(it, NULL);
+ ctf_fs_iterator_destroy_data(ctf_it);
+ return ret;
+}
+
+static
+void ctf_fs_destroy_data(struct ctf_fs_component *component)
+{
+ if (component->trace_path) {
+ g_string_free(component->trace_path, TRUE);
+ }
+
+ ctf_fs_metadata_fini(&component->metadata);
+ ctf_fs_data_stream_fini(&component->data_stream);
+ BT_PUT(component->current_notification);
+ g_free(component);
+}
+
+static
+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;
+ struct bt_value *value = NULL;
+ const char *path;
+ enum bt_value_status ret;
+
+ ctf_fs = g_new0(struct ctf_fs_component, 1);
+ if (!ctf_fs) {
+ goto end;
+ }
+
+ /* 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;
+ }
+
+ ret = bt_value_string_get(value, &path);
+ if (ret != BT_VALUE_STATUS_OK) {
+ goto error;
+ }
+
+ ctf_fs->trace_path = g_string_new(path);
+ if (!ctf_fs->trace_path) {
+ goto error;
+ }
+
+ ctf_fs->error_fp = stderr;
+ ctf_fs->page_size = (size_t) getpagesize();
+ ctf_fs_data_stream_init(ctf_fs, &ctf_fs->data_stream);
+ ctf_fs_metadata_set_trace(ctf_fs);
+ ctf_fs_data_stream_open_streams(ctf_fs);
+ goto end;
+
+error:
+ ctf_fs_destroy_data(ctf_fs);
+end:
+ BT_PUT(value);
+ return ctf_fs;
}
BT_HIDDEN
enum bt_component_status ctf_fs_init(struct bt_component *source,
- struct bt_value *params)
+ struct bt_value *params)
{
struct ctf_fs_component *ctf_fs;
enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
return ret;
error:
(void) bt_component_set_private_data(source, NULL);
- ctf_fs_destroy(ctf_fs);
+ ctf_fs_destroy_data(ctf_fs);
return ret;
}