libctfcopytrace: copy trace's UUID
[babeltrace.git] / plugins / libctfcopytrace / ctfcopytrace.c
index c2d5b4d1450e68bb97b81bec411536855fb11e33..2b408ace8d1765bb73ecdaa4d379a8a71d232e2e 100644 (file)
@@ -58,7 +58,8 @@ struct bt_ctf_clock_class *ctf_copy_clock_class(FILE *err,
                goto end;
        }
 
-       writer_clock_class = bt_ctf_clock_class_create(name);
+       writer_clock_class = bt_ctf_clock_class_create(name,
+               bt_ctf_clock_class_get_frequency(clock_class));
        if (!writer_clock_class) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
@@ -66,31 +67,14 @@ struct bt_ctf_clock_class *ctf_copy_clock_class(FILE *err,
        }
 
        description = bt_ctf_clock_class_get_description(clock_class);
-       if (!description) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto end_destroy;
-       }
-
-       int_ret = bt_ctf_clock_class_set_description(writer_clock_class,
-                       description);
-       if (int_ret != 0) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto end_destroy;
-       }
-
-       u64_ret = bt_ctf_clock_class_get_frequency(clock_class);
-       if (u64_ret == -1ULL) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto end_destroy;
-       }
-       int_ret = bt_ctf_clock_class_set_frequency(writer_clock_class, u64_ret);
-       if (int_ret != 0) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto end_destroy;
+       if (description) {
+               int_ret = bt_ctf_clock_class_set_description(writer_clock_class,
+                               description);
+               if (int_ret != 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                       __LINE__);
+                       goto end_destroy;
+               }
        }
 
        u64_ret = bt_ctf_clock_class_get_precision(clock_class);
@@ -214,8 +198,12 @@ struct bt_ctf_event_class *ctf_copy_event_class(FILE *err,
                struct bt_ctf_event_class *event_class)
 {
        struct bt_ctf_event_class *writer_event_class = NULL;
+       struct bt_ctf_field_type *context, *payload_type;
        const char *name;
-       int count, i;
+       int ret;
+       int64_t id;
+       enum bt_ctf_event_class_log_level log_level;
+       const char *emf_uri;
 
        name = bt_ctf_event_class_get_name(event_class);
        if (!name) {
@@ -231,56 +219,65 @@ struct bt_ctf_event_class *ctf_copy_event_class(FILE *err,
                goto end;
        }
 
-       count = bt_ctf_event_class_get_attribute_count(event_class);
-       for (i = 0; i < count; i++) {
-               const char *attr_name;
-               struct bt_value *attr_value;
-               int ret;
+       id = bt_ctf_event_class_get_id(event_class);
+       if (id < 0) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                               __FILE__, __LINE__);
+               goto error;
+       }
 
-               attr_name = bt_ctf_event_class_get_attribute_name_by_index(
-                       event_class, i);
-               if (!attr_name) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
-               }
-               attr_value = bt_ctf_event_class_get_attribute_value_by_index(
-                       event_class, i);
-               if (!attr_value) {
+       ret = bt_ctf_event_class_set_id(writer_event_class, id);
+       if (ret) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                               __FILE__, __LINE__);
+               goto error;
+       }
+
+       log_level = bt_ctf_event_class_get_log_level(event_class);
+       if (log_level < 0) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                               __FILE__, __LINE__);
+               goto error;
+       }
+
+       ret = bt_ctf_event_class_set_log_level(writer_event_class, log_level);
+       if (ret) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                               __FILE__, __LINE__);
+               goto error;
+       }
+
+       emf_uri = bt_ctf_event_class_get_emf_uri(event_class);
+       if (emf_uri) {
+               ret = bt_ctf_event_class_set_emf_uri(writer_event_class,
+                       emf_uri);
+               if (ret) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
                                        __FILE__, __LINE__);
                        goto error;
                }
+       }
 
-               ret = bt_ctf_event_class_set_attribute(writer_event_class,
-                               attr_name, attr_value);
-               BT_PUT(attr_value);
+       payload_type = bt_ctf_event_class_get_payload_type(event_class);
+       if (payload_type) {
+               ret = bt_ctf_event_class_set_payload_type(writer_event_class,
+                               payload_type);
                if (ret < 0) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
                                        __FILE__, __LINE__);
                        goto error;
                }
+               BT_PUT(payload_type);
        }
 
-       count = bt_ctf_event_class_get_payload_type_field_count(event_class);
-       for (i = 0; i < count; i++) {
-               const char *field_name;
-               struct bt_ctf_field_type *field_type;
-               int ret;
-
-               ret = bt_ctf_event_class_get_payload_type_field_by_index(
-                               event_class, &field_name, &field_type, i);
-               if (ret < 0) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
-                       goto error;
-               }
-
-               ret = bt_ctf_event_class_add_field(writer_event_class, field_type,
-                               field_name);
-               BT_PUT(field_type);
+       context = bt_ctf_event_class_get_context_type(event_class);
+       if (context) {
+               ret = bt_ctf_event_class_set_context_type(
+                               writer_event_class, context);
+               BT_PUT(context);
                if (ret < 0) {
-                       fprintf(err, "[error] Cannot add field %s\n", field_name);
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                       __LINE__);
                        goto error;
                }
        }
@@ -310,7 +307,6 @@ enum bt_component_status ctf_copy_event_classes(FILE *err,
        }
 
        for (i = 0; i < count; i++) {
-               struct bt_ctf_field_type *context;
                int int_ret;
 
                event_class = bt_ctf_stream_class_get_event_class_by_index(
@@ -321,28 +317,29 @@ enum bt_component_status ctf_copy_event_classes(FILE *err,
                        ret = BT_COMPONENT_STATUS_ERROR;
                        goto error;
                }
-               writer_event_class = ctf_copy_event_class(err, event_class);
-               if (!writer_event_class) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       ret = BT_COMPONENT_STATUS_ERROR;
-                       goto error;
+               if (i < bt_ctf_stream_class_get_event_class_count(writer_stream_class)) {
+                       writer_event_class = bt_ctf_stream_class_get_event_class_by_index(
+                                       writer_stream_class, i);
+                       if (writer_event_class) {
+                               /*
+                                * If the writer_event_class already exists,
+                                * just skip it. It can be used to resync the
+                                * event_classes after a trace has become
+                                * static.
+                                */
+                               BT_PUT(writer_event_class);
+                               BT_PUT(event_class);
+                               continue;
+                       }
                }
 
-               context = bt_ctf_event_class_get_context_type(event_class);
-               if (!context) {
+               writer_event_class = ctf_copy_event_class(err, event_class);
+               if (!writer_event_class) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
                                        __FILE__, __LINE__);
                        ret = BT_COMPONENT_STATUS_ERROR;
                        goto error;
                }
-               ret = bt_ctf_event_class_set_context_type(writer_event_class, context);
-               BT_PUT(context);
-               if (ret < 0) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                                       __LINE__);
-                       goto error;
-               }
 
                int_ret = bt_ctf_stream_class_add_event_class(writer_stream_class,
                                writer_event_class);
@@ -377,11 +374,7 @@ struct bt_ctf_stream_class *ctf_copy_stream_class(FILE *err,
        int ret_int;
        const char *name = bt_ctf_stream_class_get_name(stream_class);
 
-       if (strlen(name) == 0) {
-               name = NULL;
-       }
-
-       writer_stream_class = bt_ctf_stream_class_create(name);
+       writer_stream_class = bt_ctf_stream_class_create_empty(name);
        if (!writer_stream_class) {
                fprintf(err, "[error] %s in %s:%d\n",
                                __func__, __FILE__, __LINE__);
@@ -389,56 +382,54 @@ struct bt_ctf_stream_class *ctf_copy_stream_class(FILE *err,
        }
 
        type = bt_ctf_stream_class_get_packet_context_type(stream_class);
-       if (!type) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto error;
-       }
-
-       ret_int = bt_ctf_stream_class_set_packet_context_type(
-                       writer_stream_class, type);
-       if (ret_int < 0) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto error;
+       if (type) {
+               ret_int = bt_ctf_stream_class_set_packet_context_type(
+                               writer_stream_class, type);
+               if (ret_int < 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
+               BT_PUT(type);
        }
-       BT_PUT(type);
 
        type = bt_ctf_stream_class_get_event_header_type(stream_class);
-       if (!type) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto error;
-       }
-
-       if (override_ts64) {
-               struct bt_ctf_field_type *new_event_header_type;
-
-               new_event_header_type = override_header_type(err, type,
-                               writer_trace);
-               if (!new_event_header_type) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                                       __LINE__);
-                       goto error;
-               }
-               ret_int = bt_ctf_stream_class_set_event_header_type(
-                               writer_stream_class, new_event_header_type);
-               BT_PUT(new_event_header_type);
+       if (type) {
+               ret_int = bt_ctf_trace_get_clock_class_count(writer_trace);
                if (ret_int < 0) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                                       __LINE__);
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
                        goto error;
                }
-       } else {
-               ret_int = bt_ctf_stream_class_set_event_header_type(
-                               writer_stream_class, type);
-               if (ret_int < 0) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                                       __LINE__);
-                       goto error;
+               if (override_ts64 && ret_int > 0) {
+                       struct bt_ctf_field_type *new_event_header_type;
+
+                       new_event_header_type = override_header_type(err, type,
+                                       writer_trace);
+                       if (!new_event_header_type) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                               __LINE__);
+                               goto error;
+                       }
+                       ret_int = bt_ctf_stream_class_set_event_header_type(
+                                       writer_stream_class, new_event_header_type);
+                       BT_PUT(new_event_header_type);
+                       if (ret_int < 0) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                               __LINE__);
+                               goto error;
+                       }
+               } else {
+                       ret_int = bt_ctf_stream_class_set_event_header_type(
+                                       writer_stream_class, type);
+                       if (ret_int < 0) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                               __LINE__);
+                               goto error;
+                       }
                }
+               BT_PUT(type);
        }
-       BT_PUT(type);
 
        type = bt_ctf_stream_class_get_event_context_type(stream_class);
        if (type) {
@@ -462,174 +453,150 @@ end:
 }
 
 BT_HIDDEN
-enum bt_component_status ctf_copy_packet_context_field(FILE *err,
-               struct bt_ctf_field *field, const char *field_name,
-               struct bt_ctf_field *writer_packet_context,
-               struct bt_ctf_field_type *writer_packet_context_type)
+int ctf_stream_copy_packet_header(FILE *err, struct bt_ctf_packet *packet,
+               struct bt_ctf_stream *writer_stream)
 {
-       enum bt_component_status ret;
-       struct bt_ctf_field *writer_field = NULL;
-       struct bt_ctf_field_type *field_type = NULL;
-       int int_ret;
-       uint64_t value;
+       struct bt_ctf_field *packet_header = NULL, *writer_packet_header = NULL;
+       int ret = 0;
 
-       field_type = bt_ctf_field_get_type(field);
-       if (!field_type) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
+       packet_header = bt_ctf_packet_get_header(packet);
+       if (!packet_header) {
                goto end;
        }
-       /*
-        * Only support for integers for now.
-        */
-       if (bt_ctf_field_type_get_type_id(field_type) != BT_CTF_FIELD_TYPE_ID_INTEGER) {
-               fprintf(err, "[error] Unsupported packet context field type\n");
-               ret = BT_COMPONENT_STATUS_ERROR;
+
+       writer_packet_header = bt_ctf_field_copy(packet_header);
+       if (!writer_packet_header) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                               __LINE__);
                goto error;
        }
-       BT_PUT(field_type);
 
-       writer_field = bt_ctf_field_structure_get_field_by_name(
-               writer_packet_context, field_name);
-       if (!writer_field) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+       ret = bt_ctf_stream_set_packet_header(writer_stream,
+                       writer_packet_header);
+       if (ret) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
+               goto error;
+       }
+
+       goto end;
+
+error:
+       ret = -1;
+end:
+       bt_put(writer_packet_header);
+       bt_put(packet_header);
+       return ret;
+}
+
+BT_HIDDEN
+int ctf_packet_copy_header(FILE *err, struct bt_ctf_packet *packet,
+               struct bt_ctf_packet *writer_packet)
+{
+       struct bt_ctf_field *packet_header = NULL, *writer_packet_header = NULL;
+       int ret = 0;
+
+       packet_header = bt_ctf_packet_get_header(packet);
+       if (!packet_header) {
                goto end;
        }
 
-       int_ret = bt_ctf_field_unsigned_integer_get_value(field, &value);
-       if (int_ret < 0) {
-               fprintf(err, "[error] Wrong packet_context field type\n");
+       writer_packet_header = bt_ctf_field_copy(packet_header);
+       if (!writer_packet_header) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
+               goto error;
        }
 
-       int_ret = bt_ctf_field_unsigned_integer_set_value(writer_field, value);
-       if (int_ret < 0) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+       ret = bt_ctf_packet_set_header(writer_packet, writer_packet_header);
+       if (ret) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
-               goto end;
+               goto error;
        }
 
-       ret = BT_COMPONENT_STATUS_OK;
-
        goto end;
 
 error:
-       bt_put(field_type);
+       ret = -1;
 end:
-       bt_put(writer_field);
+       bt_put(packet_header);
+       bt_put(writer_packet_header);
        return ret;
 }
 
 BT_HIDDEN
-struct bt_ctf_field *ctf_copy_packet_context(FILE *err,
-               struct bt_ctf_packet *packet,
+int ctf_stream_copy_packet_context(FILE *err, struct bt_ctf_packet *packet,
                struct bt_ctf_stream *writer_stream)
 {
-       enum bt_component_status ret;
        struct bt_ctf_field *packet_context = NULL, *writer_packet_context = NULL;
-       struct bt_ctf_field_type *struct_type = NULL, *writer_packet_context_type = NULL;
-       struct bt_ctf_stream_class *writer_stream_class = NULL;
-       struct bt_ctf_field *field = NULL;
-       struct bt_ctf_field_type *field_type;
-       int nr_fields, i;
+       int ret = 0;
 
        packet_context = bt_ctf_packet_get_context(packet);
        if (!packet_context) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto error;
+               goto end;
        }
 
-       writer_stream_class = bt_ctf_stream_get_class(writer_stream);
-       if (!writer_stream_class) {
+       writer_packet_context = bt_ctf_field_copy(packet_context);
+       if (!writer_packet_context) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
                goto error;
        }
 
-       writer_packet_context_type = bt_ctf_stream_class_get_packet_context_type(
-                       writer_stream_class);
-       BT_PUT(writer_stream_class);
-       if (!writer_packet_context_type) {
+       ret = bt_ctf_stream_set_packet_context(writer_stream,
+                       writer_packet_context);
+       if (ret) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
                goto error;
        }
 
-       struct_type = bt_ctf_field_get_type(packet_context);
-       if (!struct_type) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
-                               __LINE__);
-               goto error;
+       goto end;
+
+error:
+       ret = -1;
+end:
+       bt_put(packet_context);
+       bt_put(writer_packet_context);
+       return ret;
+}
+
+BT_HIDDEN
+int ctf_packet_copy_context(FILE *err, struct bt_ctf_packet *packet,
+               struct bt_ctf_stream *writer_stream,
+               struct bt_ctf_packet *writer_packet)
+{
+       struct bt_ctf_field *packet_context = NULL, *writer_packet_context = NULL;
+       int ret = 0;
+
+       packet_context = bt_ctf_packet_get_context(packet);
+       if (!packet_context) {
+               goto end;
        }
 
-       writer_packet_context = bt_ctf_field_create(writer_packet_context_type);
+       writer_packet_context = bt_ctf_field_copy(packet_context);
        if (!writer_packet_context) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
                goto error;
        }
 
-       nr_fields = bt_ctf_field_type_structure_get_field_count(struct_type);
-       for (i = 0; i < nr_fields; i++) {
-               const char *field_name;
-
-               field = bt_ctf_field_structure_get_field_by_index(
-                               packet_context, i);
-               if (!field) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
-               }
-               if (bt_ctf_field_type_structure_get_field_by_index(struct_type,
-                                       &field_name, &field_type, i) < 0) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
-               }
-               if (!strncmp(field_name, "content_size", strlen("content_size")) ||
-                               !strncmp(field_name, "packet_size",
-                                       strlen("packet_size"))) {
-                       BT_PUT(field_type);
-                       BT_PUT(field);
-                       continue;
-               }
-
-               if (bt_ctf_field_type_get_type_id(field_type) != BT_CTF_FIELD_TYPE_ID_INTEGER) {
-                       fprintf(err, "[error] Unexpected packet context field type\n");
-                       goto error;
-               }
-
-               ret = ctf_copy_packet_context_field(err, field, field_name,
-                               writer_packet_context, writer_packet_context_type);
-               BT_PUT(field_type);
-               BT_PUT(field);
-               if (ret != BT_COMPONENT_STATUS_OK) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
-               }
+       ret = bt_ctf_packet_set_context(writer_packet, writer_packet_context);
+       if (ret) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                               __LINE__);
+               goto error;
        }
 
        goto end;
 
 error:
-       BT_PUT(writer_packet_context);
+       ret = -1;
 end:
-       bt_put(field);
-       bt_put(field_type);
-       bt_put(struct_type);
-       bt_put(writer_packet_context_type);
-       bt_put(writer_stream_class);
+       bt_put(writer_packet_context);
        bt_put(packet_context);
-       return writer_packet_context;
+       return ret;
 }
 
 BT_HIDDEN
@@ -716,6 +683,36 @@ end:
        return ret;
 }
 
+static
+struct bt_ctf_trace *event_class_get_trace(FILE *err,
+               struct bt_ctf_event_class *event_class)
+{
+       struct bt_ctf_trace *trace = NULL;
+       struct bt_ctf_stream_class *stream_class = NULL;
+
+       stream_class = bt_ctf_event_class_get_stream_class(event_class);
+       if (!stream_class) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                               __LINE__);
+               goto error;
+       }
+
+       trace = bt_ctf_stream_class_get_trace(stream_class);
+       if (!trace) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                               __LINE__);
+               goto error;
+       }
+
+       goto end;
+
+error:
+       BT_PUT(trace);
+end:
+       bt_put(stream_class);
+       return trace;
+}
+
 BT_HIDDEN
 struct bt_ctf_event *ctf_copy_event(FILE *err, struct bt_ctf_event *event,
                struct bt_ctf_event_class *writer_event_class,
@@ -723,57 +720,73 @@ struct bt_ctf_event *ctf_copy_event(FILE *err, struct bt_ctf_event *event,
 {
        struct bt_ctf_event *writer_event = NULL;
        struct bt_ctf_field *field = NULL, *copy_field = NULL;
+       struct bt_ctf_trace *writer_trace = NULL;
        int ret;
 
        writer_event = bt_ctf_event_create(writer_event_class);
        if (!writer_event) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
                                __LINE__);
-               goto end;
+               goto error;
        }
 
-       field = bt_ctf_event_get_header(event);
-       if (!field) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__,
-                               __FILE__, __LINE__);
+       writer_trace = event_class_get_trace(err, writer_event_class);
+       if (!writer_trace) {
+               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                               __LINE__);
                goto error;
        }
 
-       /*
-        * If override_ts64, we override all integer fields mapped to a clock
-        * to a uint64_t field type, otherwise, we just copy it as is.
-        */
-       if (override_ts64) {
-               copy_field = bt_ctf_event_get_header(writer_event);
-               if (!copy_field) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
-               }
-
-               ret = copy_override_field(err, event, writer_event, field,
-                               copy_field);
-               if (ret) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
+       field = bt_ctf_event_get_header(event);
+       if (field) {
+               /*
+                * If override_ts64, we override all integer fields mapped to a
+                * clock to a uint64_t field type, otherwise, we just copy it as
+                * is.
+                */
+               ret = bt_ctf_trace_get_clock_class_count(writer_trace);
+               if (ret < 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__,
+                                       __LINE__);
                        goto error;
                }
-               BT_PUT(copy_field);
-       } else {
-               ret = ctf_copy_event_header(err, event, writer_event_class,
-                               writer_event, field);
-               if (ret) {
-                       fprintf(err, "[error] %s in %s:%d\n", __func__,
-                                       __FILE__, __LINE__);
-                       goto error;
+               if (override_ts64 && ret > 0) {
+                       copy_field = bt_ctf_event_get_header(writer_event);
+                       if (!copy_field) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                               __FILE__, __LINE__);
+                               goto error;
+                       }
+
+                       ret = copy_override_field(err, event, writer_event, field,
+                                       copy_field);
+                       if (ret) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                               __FILE__, __LINE__);
+                               goto error;
+                       }
+                       BT_PUT(copy_field);
+               } else {
+                       ret = ctf_copy_event_header(err, event, writer_event_class,
+                                       writer_event, field);
+                       if (ret) {
+                               fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                               __FILE__, __LINE__);
+                               goto error;
+                       }
                }
+               BT_PUT(field);
        }
-       BT_PUT(field);
 
        /* Optional field, so it can fail silently. */
        field = bt_ctf_event_get_stream_event_context(event);
-       copy_field = bt_ctf_field_copy(field);
-       if (copy_field) {
+       if (field) {
+               copy_field = bt_ctf_field_copy(field);
+               if (!copy_field) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
                ret = bt_ctf_event_set_stream_event_context(writer_event,
                                copy_field);
                if (ret < 0) {
@@ -781,41 +794,46 @@ struct bt_ctf_event *ctf_copy_event(FILE *err, struct bt_ctf_event *event,
                                        __FILE__, __LINE__);
                        goto error;
                }
+               BT_PUT(field);
+               BT_PUT(copy_field);
        }
-       BT_PUT(field);
-       BT_PUT(copy_field);
 
        /* Optional field, so it can fail silently. */
        field = bt_ctf_event_get_event_context(event);
-       copy_field = bt_ctf_field_copy(field);
-       if (copy_field) {
+       if (field) {
+               copy_field = bt_ctf_field_copy(field);
+               if (!copy_field) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
                ret = bt_ctf_event_set_event_context(writer_event, copy_field);
                if (ret < 0) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
                                        __FILE__, __LINE__);
                        goto error;
                }
+               BT_PUT(field);
+               BT_PUT(copy_field);
        }
-       BT_PUT(field);
-       BT_PUT(copy_field);
 
        field = bt_ctf_event_get_event_payload(event);
-       if (!field) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__,
-                               __FILE__, __LINE__);
-               goto error;
-       }
-       copy_field = bt_ctf_field_copy(field);
-       if (copy_field) {
+       if (field) {
+               copy_field = bt_ctf_field_copy(field);
+               if (!copy_field) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__,
+                                       __FILE__, __LINE__);
+                       goto error;
+               }
                ret = bt_ctf_event_set_event_payload(writer_event, copy_field);
                if (ret < 0) {
                        fprintf(err, "[error] %s in %s:%d\n", __func__,
                                        __FILE__, __LINE__);
                        goto error;
                }
+               BT_PUT(field);
+               BT_PUT(copy_field);
        }
-       BT_PUT(field);
-       BT_PUT(copy_field);
 
        goto end;
 
@@ -824,6 +842,7 @@ error:
 end:
        bt_put(field);
        bt_put(copy_field);
+       bt_put(writer_trace);
        return writer_event;
 }
 
@@ -834,6 +853,9 @@ enum bt_component_status ctf_copy_trace(FILE *err, struct bt_ctf_trace *trace,
        enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
        int field_count, i, int_ret;
        struct bt_ctf_field_type *header_type = NULL;
+       enum bt_ctf_byte_order order;
+       const char *trace_name;
+       const unsigned char *trace_uuid;
 
        field_count = bt_ctf_trace_get_environment_field_count(trace);
        for (i = 0; i < field_count; i++) {
@@ -871,19 +893,57 @@ enum bt_component_status ctf_copy_trace(FILE *err, struct bt_ctf_trace *trace,
                }
        }
 
-       header_type = bt_ctf_trace_get_packet_header_type(writer_trace);
-       if (!header_type) {
+       order = bt_ctf_trace_get_native_byte_order(trace);
+       if (order == BT_CTF_BYTE_ORDER_UNKNOWN) {
                fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
                ret = BT_COMPONENT_STATUS_ERROR;
                goto end;
        }
 
-       int_ret = bt_ctf_trace_set_packet_header_type(writer_trace, header_type);
-       BT_PUT(header_type);
-       if (int_ret < 0) {
-               fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
+       /*
+        * Only explicitly set the writer trace's native byte order if
+        * the original trace has a specific one. Otherwise leave what
+        * the CTF writer object chooses, which is the machine's native
+        * byte order.
+        */
+       if (order != BT_CTF_BYTE_ORDER_UNSPECIFIED) {
+               ret = bt_ctf_trace_set_native_byte_order(writer_trace, order);
+               if (ret) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
+       }
+
+       header_type = bt_ctf_trace_get_packet_header_type(trace);
+       if (header_type) {
+               int_ret = bt_ctf_trace_set_packet_header_type(writer_trace, header_type);
+               BT_PUT(header_type);
+               if (int_ret < 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
+       }
+
+       trace_name = bt_ctf_trace_get_name(trace);
+       if (trace_name) {
+               int_ret = bt_ctf_trace_set_name(writer_trace, trace_name);
+               if (int_ret < 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
+       }
+
+       trace_uuid = bt_ctf_trace_get_uuid(trace);
+       if (trace_uuid) {
+               int_ret = bt_ctf_trace_set_uuid(writer_trace, trace_uuid);
+               if (int_ret < 0) {
+                       fprintf(err, "[error] %s in %s:%d\n", __func__, __FILE__, __LINE__);
+                       ret = BT_COMPONENT_STATUS_ERROR;
+                       goto end;
+               }
        }
 
 end:
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