Reinsert "at end of stream" message for discarded events
[babeltrace.git] / formats / ctf / ctf.c
index 8029512a2745876f9ce19e9ce1fab725fb64ddf7..137c11ec57033660565f0e458671bcd3ea01666b 100644 (file)
  *
  * 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/format.h>
@@ -68,33 +76,33 @@ uint64_t opt_clock_offset;
 extern int yydebug;
 
 static
-struct trace_descriptor *ctf_open_trace(const char *path, int flags,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence),
                FILE *metadata_fp);
 static
-struct trace_descriptor *ctf_open_mmap_trace(
-               struct mmap_stream_list *mmap_list,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_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);
 static
-void ctf_set_context(struct trace_descriptor *descriptor,
+void ctf_set_context(struct bt_trace_descriptor *descriptor,
                struct bt_context *ctx);
 static
-void ctf_set_handle(struct trace_descriptor *descriptor,
+void ctf_set_handle(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle);
 
 static
-int ctf_close_trace(struct trace_descriptor *descriptor);
+int ctf_close_trace(struct bt_trace_descriptor *descriptor);
 static
-uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle, enum bt_clock_type type);
 static
-uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle, enum bt_clock_type type);
 static
-int ctf_convert_index_timestamp(struct trace_descriptor *tdp);
+int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp);
 
 static
 rw_dispatch read_dispatch_table[] = {
@@ -121,7 +129,7 @@ rw_dispatch write_dispatch_table[] = {
 };
 
 static
-struct format ctf_format = {
+struct bt_format ctf_format = {
        .open_trace = ctf_open_trace,
        .open_mmap_trace = ctf_open_mmap_trace,
        .close_trace = ctf_close_trace,
@@ -133,7 +141,7 @@ struct format ctf_format = {
 };
 
 static
-uint64_t ctf_timestamp_begin(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_begin(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle, enum bt_clock_type type)
 {
        struct ctf_trace *tin;
@@ -194,7 +202,7 @@ error:
 }
 
 static
-uint64_t ctf_timestamp_end(struct trace_descriptor *descriptor,
+uint64_t ctf_timestamp_end(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle, enum bt_clock_type type)
 {
        struct ctf_trace *tin;
@@ -299,6 +307,7 @@ void ctf_update_timestamp(struct ctf_stream_definition *stream,
  * Print timestamp, rescaling clock frequency to nanoseconds and
  * applying offsets as needed (unix time).
  */
+static
 void ctf_print_timestamp_real(FILE *fp,
                        struct ctf_stream_definition *stream,
                        uint64_t timestamp)
@@ -363,6 +372,7 @@ end:
 /*
  * Print timestamp, in cycles
  */
+static
 void ctf_print_timestamp_cycles(FILE *fp,
                struct ctf_stream_definition *stream,
                uint64_t timestamp)
@@ -382,7 +392,50 @@ void ctf_print_timestamp(FILE *fp,
 }
 
 static
-int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream)
+void print_uuid(FILE *fp, unsigned char *uuid)
+{
+       int i;
+
+       for (i = 0; i < BABELTRACE_UUID_LEN; i++)
+               fprintf(fp, "%x", (unsigned int) uuid[i]);
+}
+
+void ctf_print_discarded(FILE *fp, struct ctf_stream_definition *stream,
+               int end_stream)
+{
+       fprintf(fp, "[warning] Tracer discarded %" PRIu64 " events %sbetween [",
+               stream->events_discarded,
+               end_stream ? "at end of stream " : "");
+       if (opt_clock_cycles) {
+               ctf_print_timestamp(fp, stream,
+                               stream->prev_cycles_timestamp);
+               fprintf(fp, "] and [");
+               ctf_print_timestamp(fp, stream,
+                               stream->prev_cycles_timestamp_end);
+       } else {
+               ctf_print_timestamp(fp, stream,
+                               stream->prev_real_timestamp);
+               fprintf(fp, "] and [");
+               ctf_print_timestamp(fp, stream,
+                               stream->prev_real_timestamp_end);
+       }
+       fprintf(fp, "] in trace UUID ");
+       print_uuid(fp, stream->stream_class->trace->uuid);
+       if (stream->stream_class->trace->path[0])
+               fprintf(fp, ", at path: \"%s\"",
+                       stream->stream_class->trace->path);
+
+       fprintf(fp, ", within stream id %" PRIu64, stream->stream_id);
+       if (stream->path[0])
+               fprintf(fp, ", at relative path: \"%s\"", stream->path);
+       fprintf(fp, ". ");
+       fprintf(fp, "You should consider recording a new trace with larger "
+               "buffers or with fewer events enabled.\n");
+       fflush(fp);
+}
+
+static
+int ctf_read_event(struct bt_stream_pos *ppos, struct ctf_stream_definition *stream)
 {
        struct ctf_stream_pos *pos =
                container_of(ppos, struct ctf_stream_pos, parent);
@@ -411,27 +464,27 @@ int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream
        /* Read event header */
        if (likely(stream->stream_event_header)) {
                struct definition_integer *integer_definition;
-               struct definition *variant;
+               struct bt_definition *variant;
 
                ret = generic_rw(ppos, &stream->stream_event_header->p);
                if (unlikely(ret))
                        goto error;
                /* lookup event id */
-               integer_definition = lookup_integer(&stream->stream_event_header->p, "id", FALSE);
+               integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "id", FALSE);
                if (integer_definition) {
                        id = integer_definition->value._unsigned;
                } else {
                        struct definition_enum *enum_definition;
 
-                       enum_definition = lookup_enum(&stream->stream_event_header->p, "id", FALSE);
+                       enum_definition = bt_lookup_enum(&stream->stream_event_header->p, "id", FALSE);
                        if (enum_definition) {
                                id = enum_definition->integer->value._unsigned;
                        }
                }
 
-               variant = lookup_variant(&stream->stream_event_header->p, "v");
+               variant = bt_lookup_variant(&stream->stream_event_header->p, "v");
                if (variant) {
-                       integer_definition = lookup_integer(variant, "id", FALSE);
+                       integer_definition = bt_lookup_integer(variant, "id", FALSE);
                        if (integer_definition) {
                                id = integer_definition->value._unsigned;
                        }
@@ -440,13 +493,13 @@ int ctf_read_event(struct stream_pos *ppos, struct ctf_stream_definition *stream
 
                /* lookup timestamp */
                stream->has_timestamp = 0;
-               integer_definition = lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
+               integer_definition = bt_lookup_integer(&stream->stream_event_header->p, "timestamp", FALSE);
                if (integer_definition) {
                        ctf_update_timestamp(stream, integer_definition);
                        stream->has_timestamp = 1;
                } else {
                        if (variant) {
-                               integer_definition = lookup_integer(variant, "timestamp", FALSE);
+                               integer_definition = bt_lookup_integer(variant, "timestamp", FALSE);
                                if (integer_definition) {
                                        ctf_update_timestamp(stream, integer_definition);
                                        stream->has_timestamp = 1;
@@ -494,7 +547,7 @@ error:
 }
 
 static
-int ctf_write_event(struct stream_pos *pos, struct ctf_stream_definition *stream)
+int ctf_write_event(struct bt_stream_pos *pos, struct ctf_stream_definition *stream)
 {
        struct ctf_stream_declaration *stream_class = stream->stream_class;
        struct ctf_event_definition *event;
@@ -607,7 +660,7 @@ int ctf_fini_pos(struct ctf_stream_pos *pos)
  * for SEEK_CUR: go to next packet.
  * for SEEK_POS: go to packet numer (index).
  */
-void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence)
+void ctf_packet_seek(struct bt_stream_pos *stream_pos, size_t index, int whence)
 {
        struct ctf_stream_pos *pos =
                container_of(stream_pos, struct ctf_stream_pos, parent);
@@ -715,43 +768,26 @@ void ctf_packet_seek(struct stream_pos *stream_pos, size_t index, int whence)
                }
                if (pos->cur_index >= pos->packet_real_index->len) {
                        /*
-                        * When a stream reaches the end of the
-                        * file, we need to show the number of
-                        * events discarded ourselves, because
-                        * there is no next event scheduled to
-                        * be printed in the output.
+                        * We need to check if we are in trace read or
+                        * called from packet indexing.  In this last
+                        * case, the collection is not there, so we
+                        * cannot print the timestamps.
                         */
-                       if (file_stream->parent.events_discarded) {
+                       if ((&file_stream->parent)->stream_class->trace->collection) {
                                /*
-                                * We need to check if we are in trace
-                                * read or called from packet indexing.
-                                * In this last case, the collection is
-                                * not there, so we cannot print the
-                                * timestamps.
+                                * When a stream reaches the end of the
+                                * file, we need to show the number of
+                                * events discarded ourselves, because
+                                * there is no next event scheduled to
+                                * be printed in the output.
                                 */
-                               if ((&file_stream->parent)->stream_class->trace->collection) {
+                               if (file_stream->parent.events_discarded) {
                                        fflush(stdout);
-                                       fprintf(stderr, "[warning] Tracer discarded %" PRIu64 " events at end of stream between [",
-                                                       file_stream->parent.events_discarded);
-                                       if (opt_clock_cycles) {
-                                               ctf_print_timestamp(stderr,
-                                                               &file_stream->parent,
-                                                               file_stream->parent.prev_cycles_timestamp);
-                                               fprintf(stderr, "] and [");
-                                               ctf_print_timestamp(stderr, &file_stream->parent,
-                                                               file_stream->parent.prev_cycles_timestamp_end);
-                                       } else {
-                                               ctf_print_timestamp(stderr,
-                                                               &file_stream->parent,
-                                                               file_stream->parent.prev_real_timestamp);
-                                               fprintf(stderr, "] and [");
-                                               ctf_print_timestamp(stderr, &file_stream->parent,
-                                                               file_stream->parent.prev_real_timestamp_end);
-                                       }
-                                       fprintf(stderr, "]. You should consider recording a new trace with larger buffers or with fewer events enabled.\n");
-                                       fflush(stderr);
+                                       ctf_print_discarded(stderr,
+                                               &file_stream->parent,
+                                               1);
+                                       file_stream->parent.events_discarded = 0;
                                }
-                               file_stream->parent.events_discarded = 0;
                        }
                        pos->offset = EOF;
                        return;
@@ -902,6 +938,9 @@ int ctf_open_trace_metadata_packet_read(struct ctf_trace *td, FILE *in,
                        return -EINVAL;
        }
 
+       if ((header.content_size / CHAR_BIT) < header_sizeof(header))
+               return -EINVAL;
+
        toread = (header.content_size / CHAR_BIT) - header_sizeof(header);
 
        for (;;) {
@@ -948,7 +987,7 @@ int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp,
                                        char **buf)
 {
        FILE *in, *out;
-       size_t size;
+       size_t size, buflen;
        int ret;
 
        in = *fp;
@@ -990,7 +1029,12 @@ int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp,
                perror("Error in fclose");
        }
        /* open for reading */
-       *fp = babeltrace_fmemopen(*buf, strlen(*buf), "rb");
+       buflen = strlen(*buf);
+       if (!buflen) {
+               *fp = NULL;
+               return -ENODATA;
+       }
+       *fp = babeltrace_fmemopen(*buf, buflen, "rb");
        if (!*fp) {
                perror("Metadata fmemopen");
                return -errno;
@@ -1000,7 +1044,7 @@ int ctf_open_trace_metadata_stream_read(struct ctf_trace *td, FILE **fp,
 
 static
 int ctf_open_trace_metadata_read(struct ctf_trace *td,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence), FILE *metadata_fp)
 {
        struct ctf_scanner *scanner;
@@ -1047,8 +1091,11 @@ int ctf_open_trace_metadata_read(struct ctf_trace *td,
 
        if (packet_metadata(td, fp)) {
                ret = ctf_open_trace_metadata_stream_read(td, &fp, &buf);
-               if (ret)
+               if (ret) {
+                       /* Warn about empty metadata */
+                       fprintf(stderr, "[warning] Empty metadata.\n");
                        goto end_packet_read;
+               }
        } else {
                unsigned int major, minor;
                ssize_t nr_items;
@@ -1129,7 +1176,7 @@ struct ctf_event_definition *create_event_definitions(struct ctf_trace *td,
        struct ctf_event_definition *stream_event = g_new0(struct ctf_event_definition, 1);
 
        if (event->context_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        event->context_decl->p.definition_new(&event->context_decl->p,
                                stream->parent_def_scope, 0, 0, "event.context");
                if (!definition) {
@@ -1140,7 +1187,7 @@ struct ctf_event_definition *create_event_definitions(struct ctf_trace *td,
                stream->parent_def_scope = stream_event->event_context->p.scope;
        }
        if (event->fields_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        event->fields_decl->p.definition_new(&event->fields_decl->p,
                                stream->parent_def_scope, 0, 0, "event.fields");
                if (!definition) {
@@ -1155,9 +1202,9 @@ struct ctf_event_definition *create_event_definitions(struct ctf_trace *td,
 
 error:
        if (stream_event->event_fields)
-               definition_unref(&stream_event->event_fields->p);
+               bt_definition_unref(&stream_event->event_fields->p);
        if (stream_event->event_context)
-               definition_unref(&stream_event->event_context->p);
+               bt_definition_unref(&stream_event->event_context->p);
        return NULL;
 }
 
@@ -1174,7 +1221,7 @@ int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition
        stream_class = stream->stream_class;
 
        if (stream_class->packet_context_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        stream_class->packet_context_decl->p.definition_new(&stream_class->packet_context_decl->p,
                                stream->parent_def_scope, 0, 0, "stream.packet.context");
                if (!definition) {
@@ -1186,7 +1233,7 @@ int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition
                stream->parent_def_scope = stream->stream_packet_context->p.scope;
        }
        if (stream_class->event_header_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        stream_class->event_header_decl->p.definition_new(&stream_class->event_header_decl->p,
                                stream->parent_def_scope, 0, 0, "stream.event.header");
                if (!definition) {
@@ -1198,7 +1245,7 @@ int create_stream_definitions(struct ctf_trace *td, struct ctf_stream_definition
                stream->parent_def_scope = stream->stream_event_header->p.scope;
        }
        if (stream_class->event_context_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        stream_class->event_context_decl->p.definition_new(&stream_class->event_context_decl->p,
                                stream->parent_def_scope, 0, 0, "stream.event.context");
                if (!definition) {
@@ -1233,11 +1280,11 @@ error_event:
        g_ptr_array_free(stream->events_by_id, TRUE);
 error:
        if (stream->stream_event_context)
-               definition_unref(&stream->stream_event_context->p);
+               bt_definition_unref(&stream->stream_event_context->p);
        if (stream->stream_event_header)
-               definition_unref(&stream->stream_event_header->p);
+               bt_definition_unref(&stream->stream_event_header->p);
        if (stream->stream_packet_context)
-               definition_unref(&stream->stream_packet_context->p);
+               bt_definition_unref(&stream->stream_packet_context->p);
        return ret;
 }
 
@@ -1298,13 +1345,13 @@ int create_stream_packet_index(struct ctf_trace *td,
                        ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p);
                        if (ret)
                                return ret;
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("magic"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
                                uint64_t magic;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
-                               magic = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+                               magic = bt_get_unsigned_int(field);
                                if (magic != CTF_MAGIC) {
                                        fprintf(stderr, "[error] Invalid magic number 0x%" PRIX64 " at packet %u (file offset %zd).\n",
                                                        magic,
@@ -1315,23 +1362,23 @@ int create_stream_packet_index(struct ctf_trace *td,
                        }
 
                        /* check uuid */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("uuid"));
                        if (len_index >= 0) {
                                struct definition_array *defarray;
-                               struct definition *field;
+                               struct bt_definition *field;
                                uint64_t i;
                                uint8_t uuidval[BABELTRACE_UUID_LEN];
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
                                assert(field->declaration->id == CTF_TYPE_ARRAY);
                                defarray = container_of(field, struct definition_array, p);
-                               assert(array_len(defarray) == BABELTRACE_UUID_LEN);
+                               assert(bt_array_len(defarray) == BABELTRACE_UUID_LEN);
 
                                for (i = 0; i < BABELTRACE_UUID_LEN; i++) {
-                                       struct definition *elem;
+                                       struct bt_definition *elem;
 
-                                       elem = array_index(defarray, i);
-                                       uuidval[i] = get_unsigned_int(elem);
+                                       elem = bt_array_index(defarray, i);
+                                       uuidval[i] = bt_get_unsigned_int(elem);
                                }
                                ret = babeltrace_uuid_compare(td->uuid, uuidval);
                                if (ret) {
@@ -1341,17 +1388,19 @@ int create_stream_packet_index(struct ctf_trace *td,
                        }
 
 
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.trace_packet_header->declaration, g_quark_from_static_string("stream_id"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
-                               stream_id = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.trace_packet_header, len_index);
+                               stream_id = bt_get_unsigned_int(field);
                        }
                }
 
                if (!first_packet && file_stream->parent.stream_id != stream_id) {
-                       fprintf(stderr, "[error] Stream ID is changing within a stream.\n");
+                       fprintf(stderr, "[error] Stream ID is changing within a stream: expecting %" PRIu64 ", but packet has %" PRIu64 "\n",
+                               stream_id,
+                               file_stream->parent.stream_id);
                        return -EINVAL;
                }
                if (first_packet) {
@@ -1378,36 +1427,36 @@ int create_stream_packet_index(struct ctf_trace *td,
                        if (ret)
                                return ret;
                        /* read content size from header */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("content_size"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
-                               packet_index.content_size = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+                               packet_index.content_size = bt_get_unsigned_int(field);
                        } else {
                                /* Use file size for packet size */
                                packet_index.content_size = filestats.st_size * CHAR_BIT;
                        }
 
                        /* read packet size from header */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("packet_size"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
-                               packet_index.packet_size = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+                               packet_index.packet_size = bt_get_unsigned_int(field);
                        } else {
                                /* Use content size if non-zero, else file size */
                                packet_index.packet_size = packet_index.content_size ? : filestats.st_size * CHAR_BIT;
                        }
 
                        /* read timestamp begin from header */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_begin"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
-                               packet_index.timestamp_begin = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+                               packet_index.timestamp_begin = bt_get_unsigned_int(field);
                                if (file_stream->parent.stream_class->trace->collection) {
                                        packet_index.timestamp_begin =
                                                ctf_get_real_timestamp(
@@ -1417,12 +1466,12 @@ int create_stream_packet_index(struct ctf_trace *td,
                        }
 
                        /* read timestamp end from header */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("timestamp_end"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
-                               packet_index.timestamp_end = get_unsigned_int(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+                               packet_index.timestamp_end = bt_get_unsigned_int(field);
                                if (file_stream->parent.stream_class->trace->collection) {
                                        packet_index.timestamp_end =
                                                ctf_get_real_timestamp(
@@ -1432,13 +1481,13 @@ int create_stream_packet_index(struct ctf_trace *td,
                        }
 
                        /* read events discarded from header */
-                       len_index = struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded"));
+                       len_index = bt_struct_declaration_lookup_field_index(file_stream->parent.stream_packet_context->declaration, g_quark_from_static_string("events_discarded"));
                        if (len_index >= 0) {
-                               struct definition *field;
+                               struct bt_definition *field;
 
-                               field = struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
-                               packet_index.events_discarded = get_unsigned_int(field);
-                               packet_index.events_discarded_len = get_int_len(field);
+                               field = bt_struct_definition_get_field_from_index(file_stream->parent.stream_packet_context, len_index);
+                               packet_index.events_discarded = bt_get_unsigned_int(field);
+                               packet_index.events_discarded_len = bt_get_int_len(field);
                        }
                } else {
                        /* Use file size for packet size */
@@ -1478,7 +1527,7 @@ int create_trace_definitions(struct ctf_trace *td, struct ctf_stream_definition
        int ret;
 
        if (td->packet_header_decl) {
-               struct definition *definition =
+               struct bt_definition *definition =
                        td->packet_header_decl->p.definition_new(&td->packet_header_decl->p,
                                stream->parent_def_scope, 0, 0, "trace.packet.header");
                if (!definition) {
@@ -1502,7 +1551,7 @@ error:
  */
 static
 int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence))
 {
        int ret, fd, closeret;
@@ -1531,6 +1580,9 @@ int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
        file_stream = g_new0(struct ctf_file_stream, 1);
        file_stream->pos.last_offset = LAST_OFFSET_POISON;
 
+       strncpy(file_stream->parent.path, path, PATH_MAX);
+       file_stream->parent.path[PATH_MAX - 1] = '\0';
+
        if (packet_seek) {
                file_stream->pos.packet_seek = packet_seek;
        } else {
@@ -1559,7 +1611,7 @@ int ctf_open_file_stream_read(struct ctf_trace *td, const char *path, int flags,
 
 error_index:
        if (file_stream->parent.trace_packet_header)
-               definition_unref(&file_stream->parent.trace_packet_header->p);
+               bt_definition_unref(&file_stream->parent.trace_packet_header->p);
 error_def:
        closeret = ctf_fini_pos(&file_stream->pos);
        if (closeret) {
@@ -1579,7 +1631,7 @@ error:
 static
 int ctf_open_trace_read(struct ctf_trace *td,
                const char *path, int flags,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence), FILE *metadata_fp)
 {
        int ret, closeret;
@@ -1674,8 +1726,8 @@ error:
  * since the index creation read it entirely.
  */
 static
-struct trace_descriptor *ctf_open_trace(const char *path, int flags,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_open_trace(const char *path, int flags,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence), FILE *metadata_fp)
 {
        struct ctf_trace *td;
@@ -1713,9 +1765,9 @@ error:
        return NULL;
 }
 
-
+static
 void ctf_init_mmap_pos(struct ctf_stream_pos *pos,
-               struct mmap_stream *mmap_info)
+               struct bt_mmap_stream *mmap_info)
 {
        pos->mmap_offset = 0;
        pos->packet_size = 0;
@@ -1764,8 +1816,8 @@ end:
 
 static
 int ctf_open_mmap_stream_read(struct ctf_trace *td,
-               struct mmap_stream *mmap_info,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+               struct bt_mmap_stream *mmap_info,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence))
 {
        int ret;
@@ -1798,20 +1850,21 @@ int ctf_open_mmap_stream_read(struct ctf_trace *td,
 
 error_index:
        if (file_stream->parent.trace_packet_header)
-               definition_unref(&file_stream->parent.trace_packet_header->p);
+               bt_definition_unref(&file_stream->parent.trace_packet_header->p);
 error_def:
        g_free(file_stream);
        return ret;
 }
 
+static
 int ctf_open_mmap_trace_read(struct ctf_trace *td,
-               struct mmap_stream_list *mmap_list,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+               struct bt_mmap_stream_list *mmap_list,
+               void (*packet_seek)(struct bt_stream_pos *pos, size_t index,
                        int whence),
                FILE *metadata_fp)
 {
        int ret;
-       struct mmap_stream *mmap_info;
+       struct bt_mmap_stream *mmap_info;
 
        ret = ctf_open_trace_metadata_read(td, ctf_packet_seek, metadata_fp);
        if (ret) {
@@ -1837,9 +1890,9 @@ error:
 }
 
 static
-struct trace_descriptor *ctf_open_mmap_trace(
-               struct mmap_stream_list *mmap_list,
-               void (*packet_seek)(struct stream_pos *pos, size_t index,
+struct bt_trace_descriptor *ctf_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)
 {
@@ -1869,7 +1922,7 @@ error:
 }
 
 static
-int ctf_convert_index_timestamp(struct trace_descriptor *tdp)
+int ctf_convert_index_timestamp(struct bt_trace_descriptor *tdp)
 {
        int i, j, k;
        struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
@@ -1937,7 +1990,7 @@ int ctf_close_file_stream(struct ctf_file_stream *file_stream)
 }
 
 static
-int ctf_close_trace(struct trace_descriptor *tdp)
+int ctf_close_trace(struct bt_trace_descriptor *tdp)
 {
        struct ctf_trace *td = container_of(tdp, struct ctf_trace, parent);
        int ret;
@@ -1978,7 +2031,7 @@ int ctf_close_trace(struct trace_descriptor *tdp)
 }
 
 static
-void ctf_set_context(struct trace_descriptor *descriptor,
+void ctf_set_context(struct bt_trace_descriptor *descriptor,
                struct bt_context *ctx)
 {
        struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
@@ -1988,7 +2041,7 @@ void ctf_set_context(struct trace_descriptor *descriptor,
 }
 
 static
-void ctf_set_handle(struct trace_descriptor *descriptor,
+void ctf_set_handle(struct bt_trace_descriptor *descriptor,
                struct bt_trace_handle *handle)
 {
        struct ctf_trace *td = container_of(descriptor, struct ctf_trace,
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