+ struct bt_trace_descriptor *(*open_trace)(const char *path, int flags,
+ void (*packet_seek)(struct bt_stream_pos *pos,
+ size_t index, int whence),
+ FILE *metadata_fp);
+ struct bt_trace_descriptor *(*open_mmap_trace)(
+ struct bt_mmap_stream_list *mmap_list,
+ void (*packet_seek)(struct bt_stream_pos *pos,
+ size_t index, int whence),
+ FILE *metadata_fp);
+ int (*close_trace)(struct bt_trace_descriptor *descriptor);
+ void (*set_context)(struct bt_trace_descriptor *descriptor,
+ struct bt_context *ctx);
+ void (*set_handle)(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle);
+ int (*timestamp_begin)(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp);
+ int (*timestamp_end)(struct bt_trace_descriptor *descriptor,
+ struct bt_trace_handle *handle, enum bt_clock_type type,
+ int64_t *timestamp);
+ int (*convert_index_timestamp)(struct bt_trace_descriptor *descriptor);