lib: rename "clock value" -> "clock snapshot"
[babeltrace.git] / plugins / text / pretty / print.c
index a4ace53420145cfe112b253178a32e53e0c7fac5..cdbbc1b66084804ed5c8411ab56a6e2b8aa5522f 100644 (file)
@@ -1,8 +1,4 @@
 /*
- * print.c
- *
- * Babeltrace CTF Text Output Plugin Event Printing
- *
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
 
 struct timestamp {
        int64_t real_timestamp; /* Relative to UNIX epoch. */
-       uint64_t clock_value;   /* In cycles. */
+       uint64_t clock_snapshot;        /* In cycles. */
 };
 
 static
-enum bt_component_status print_field(struct pretty_component *pretty,
-               struct bt_field *field, bool print_names,
+int print_field(struct pretty_component *pretty,
+               const bt_field *field, bool print_names,
                GQuark *filters_fields, int filter_array_len);
 
 static
@@ -82,19 +78,19 @@ void print_field_name_equal(struct pretty_component *pretty, const char *name)
 
 static
 void print_timestamp_cycles(struct pretty_component *pretty,
-               struct bt_event *event)
+               const bt_event *event)
 {
-       struct bt_clock_value *clock_value;
+       const bt_clock_snapshot *clock_snapshot;
        uint64_t cycles;
-       enum bt_clock_value_status cv_status;
+       enum bt_clock_snapshot_status cv_status;
 
-       cv_status = bt_event_borrow_default_clock_value(event, &clock_value);
-       if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN || !clock_value) {
+       cv_status = bt_event_borrow_default_clock_snapshot_const(event, &clock_snapshot);
+       if (cv_status != BT_CLOCK_SNAPSHOT_STATUS_KNOWN || !clock_snapshot) {
                g_string_append(pretty->string, "????????????????????");
                return;
        }
 
-       cycles = bt_clock_value_get_value(clock_value);
+       cycles = bt_clock_snapshot_get_value(clock_snapshot);
        g_string_append_printf(pretty->string, "%020" PRIu64, cycles);
 
        if (pretty->last_cycles_timestamp != -1ULL) {
@@ -105,7 +101,7 @@ void print_timestamp_cycles(struct pretty_component *pretty,
 
 static
 void print_timestamp_wall(struct pretty_component *pretty,
-               struct bt_clock_value *clock_value)
+               const bt_clock_snapshot *clock_snapshot)
 {
        int ret;
        int64_t ts_nsec = 0;    /* add configurable offset */
@@ -113,12 +109,12 @@ void print_timestamp_wall(struct pretty_component *pretty,
        uint64_t ts_sec_abs, ts_nsec_abs;
        bool is_negative;
 
-       if (!clock_value) {
+       if (!clock_snapshot) {
                g_string_append(pretty->string, "??:??:??.?????????");
                return;
        }
 
-       ret = bt_clock_value_get_ns_from_origin(clock_value, &ts_nsec);
+       ret = bt_clock_snapshot_get_ns_from_origin(clock_snapshot, &ts_nsec);
        if (ret) {
                // TODO: log, this is unexpected
                g_string_append(pretty->string, "Error");
@@ -219,36 +215,31 @@ end:
 }
 
 static
-enum bt_component_status print_event_timestamp(struct pretty_component *pretty,
-               struct bt_event *event, bool *start_line)
+int print_event_timestamp(struct pretty_component *pretty,
+               const bt_event *event, bool *start_line)
 {
        bool print_names = pretty->options.print_header_field_names;
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_stream *stream = NULL;
-       struct bt_stream_class *stream_class = NULL;
-       struct bt_trace *trace = NULL;
-       struct bt_clock_value *clock_value = NULL;
-       enum bt_clock_value_status cv_status;
-
-       stream = bt_event_borrow_stream(event);
+       int ret = 0;
+       const bt_stream *stream = NULL;
+       const bt_stream_class *stream_class = NULL;
+       const bt_clock_snapshot *clock_snapshot = NULL;
+       enum bt_clock_snapshot_status cv_status;
+
+       stream = bt_event_borrow_stream_const(event);
        if (!stream) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
-       stream_class = bt_stream_borrow_class(stream);
+       stream_class = bt_stream_borrow_class_const(stream);
        if (!stream_class) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
-       }
-       trace = bt_stream_class_borrow_trace(stream_class);
-       if (!trace) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
-       cv_status = bt_event_borrow_default_clock_value(event, &clock_value);
-       if (cv_status != BT_CLOCK_VALUE_STATUS_KNOWN || !clock_value) {
+       cv_status = bt_event_borrow_default_clock_snapshot_const(event,
+               &clock_snapshot);
+       if (cv_status != BT_CLOCK_SNAPSHOT_STATUS_KNOWN || !clock_snapshot) {
                /* No default clock value: skip the timestamp without an error */
                goto end;
        }
@@ -264,10 +255,10 @@ enum bt_component_status print_event_timestamp(struct pretty_component *pretty,
        if (pretty->options.print_timestamp_cycles) {
                print_timestamp_cycles(pretty, event);
        } else {
-               clock_value = NULL;
-               cv_status = bt_event_borrow_default_clock_value(event,
-                       &clock_value);
-               print_timestamp_wall(pretty, clock_value);
+               clock_snapshot = NULL;
+               cv_status = bt_event_borrow_default_clock_snapshot_const(event,
+                       &clock_snapshot);
+               print_timestamp_wall(pretty, clock_snapshot);
        }
        if (pretty->use_colors) {
                g_string_append(pretty->string, COLOR_RST);
@@ -316,40 +307,34 @@ end:
 }
 
 static
-enum bt_component_status print_event_header(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_event_header(struct pretty_component *pretty,
+               const bt_event *event)
 {
        bool print_names = pretty->options.print_header_field_names;
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_event_class *event_class = NULL;
-       struct bt_stream_class *stream_class = NULL;
-       struct bt_trace *trace_class = NULL;
+       int ret = 0;
+       const bt_event_class *event_class = NULL;
+       const bt_stream_class *stream_class = NULL;
+       const bt_trace_class *trace_class = NULL;
+       const bt_packet *packet = NULL;
+       const bt_stream *stream = NULL;
+       const bt_trace *trace = NULL;
        int dom_print = 0;
        enum bt_property_availability prop_avail;
 
-       event_class = bt_event_borrow_class(event);
-       if (!event_class) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
-       }
-       stream_class = bt_event_class_borrow_stream_class(event_class);
-       if (!stream_class) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
-       }
-       trace_class = bt_stream_class_borrow_trace(stream_class);
-       if (!trace_class) {
-               ret = BT_COMPONENT_STATUS_ERROR;
-               goto end;
-       }
+       event_class = bt_event_borrow_class_const(event);
+       stream_class = bt_event_class_borrow_stream_class_const(event_class);
+       trace_class = bt_stream_class_borrow_trace_class_const(stream_class);
+       packet = bt_event_borrow_packet_const(event);
+       stream = bt_packet_borrow_stream_const(packet);
+       trace = bt_stream_borrow_trace_const(stream);
        ret = print_event_timestamp(pretty, event, &pretty->start_line);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret) {
                goto end;
        }
        if (pretty->options.print_trace_field) {
                const char *name;
 
-               name = bt_trace_get_name(trace_class);
+               name = bt_trace_get_name(trace);
                if (name) {
                        if (!pretty->start_line) {
                                g_string_append(pretty->string, ", ");
@@ -366,9 +351,9 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                }
        }
        if (pretty->options.print_trace_hostname_field) {
-               struct bt_value *hostname_str;
+               const bt_value *hostname_str;
 
-               hostname_str = bt_trace_borrow_environment_entry_value_by_name(
+               hostname_str = bt_trace_class_borrow_environment_entry_value_by_name_const(
                        trace_class, "hostname");
                if (hostname_str) {
                        const char *str;
@@ -379,17 +364,15 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        if (print_names) {
                                print_name_equal(pretty, "trace:hostname");
                        }
-                       if (bt_value_string_get(hostname_str, &str)
-                                       == BT_VALUE_STATUS_OK) {
-                               g_string_append(pretty->string, str);
-                       }
+                       str = bt_value_string_get(hostname_str);
+                       g_string_append(pretty->string, str);
                        dom_print = 1;
                }
        }
        if (pretty->options.print_trace_domain_field) {
-               struct bt_value *domain_str;
+               const bt_value *domain_str;
 
-               domain_str = bt_trace_borrow_environment_entry_value_by_name(
+               domain_str = bt_trace_class_borrow_environment_entry_value_by_name_const(
                        trace_class, "domain");
                if (domain_str) {
                        const char *str;
@@ -402,17 +385,15 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        } else if (dom_print) {
                                g_string_append(pretty->string, ":");
                        }
-                       if (bt_value_string_get(domain_str, &str)
-                                       == BT_VALUE_STATUS_OK) {
-                               g_string_append(pretty->string, str);
-                       }
+                       str = bt_value_string_get(domain_str);
+                       g_string_append(pretty->string, str);
                        dom_print = 1;
                }
        }
        if (pretty->options.print_trace_procname_field) {
-               struct bt_value *procname_str;
+               const bt_value *procname_str;
 
-               procname_str = bt_trace_borrow_environment_entry_value_by_name(
+               procname_str = bt_trace_class_borrow_environment_entry_value_by_name_const(
                        trace_class, "procname");
                if (procname_str) {
                        const char *str;
@@ -425,18 +406,15 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        } else if (dom_print) {
                                g_string_append(pretty->string, ":");
                        }
-                       if (bt_value_string_get(procname_str, &str)
-                                       == BT_VALUE_STATUS_OK) {
-                               g_string_append(pretty->string, str);
-                       }
-
+                       str = bt_value_string_get(procname_str);
+                       g_string_append(pretty->string, str);
                        dom_print = 1;
                }
        }
        if (pretty->options.print_trace_vpid_field) {
-               struct bt_value *vpid_value;
+               const bt_value *vpid_value;
 
-               vpid_value = bt_trace_borrow_environment_entry_value_by_name(
+               vpid_value = bt_trace_class_borrow_environment_entry_value_by_name_const(
                        trace_class, "vpid");
                if (vpid_value) {
                        int64_t value;
@@ -449,11 +427,9 @@ enum bt_component_status print_event_header(struct pretty_component *pretty,
                        } else if (dom_print) {
                                g_string_append(pretty->string, ":");
                        }
-                       if (bt_value_integer_get(vpid_value, &value)
-                                       == BT_VALUE_STATUS_OK) {
-                               g_string_append_printf(pretty->string, "(%" PRId64 ")", value);
-                       }
-
+                       value = bt_value_integer_get(vpid_value);
+                       g_string_append_printf(pretty->string,
+                               "(%" PRId64 ")", value);
                        dom_print = 1;
                }
        }
@@ -545,24 +521,24 @@ end:
 }
 
 static
-enum bt_component_status print_integer(struct pretty_component *pretty,
-               struct bt_field *field)
+int print_integer(struct pretty_component *pretty,
+               const bt_field *field)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       enum bt_field_type_integer_preferred_display_base base;
-       struct bt_field_type *int_ft;
+       int ret = 0;
+       enum bt_field_class_integer_preferred_display_base base;
+       const bt_field_class *int_fc;
        union {
                uint64_t u;
                int64_t s;
        } v;
        bool rst_color = false;
-       enum bt_field_type_id ft_id;
+       enum bt_field_class_type ft_type;
 
-       int_ft = bt_field_borrow_type(field);
-       BT_ASSERT(int_ft);
-       ft_id = bt_field_get_type_id(field);
-       if (ft_id == BT_FIELD_TYPE_ID_UNSIGNED_INTEGER ||
-                       ft_id == BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION) {
+       int_fc = bt_field_borrow_class_const(field);
+       BT_ASSERT(int_fc);
+       ft_type = bt_field_get_class_type(field);
+       if (ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER ||
+                       ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION) {
                v.u = bt_field_unsigned_integer_get_value(field);
        } else {
                v.s = bt_field_signed_integer_get_value(field);
@@ -573,13 +549,13 @@ enum bt_component_status print_integer(struct pretty_component *pretty,
                rst_color = true;
        }
 
-       base = bt_field_type_integer_get_preferred_display_base(int_ft);
+       base = bt_field_class_integer_get_preferred_display_base(int_fc);
        switch (base) {
-       case BT_FIELD_TYPE_INTEGER_PREFERRED_DISPLAY_BASE_BINARY:
+       case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_BINARY:
        {
                int bitnr, len;
 
-               len = bt_field_type_integer_get_field_value_range(int_ft);
+               len = bt_field_class_integer_get_field_value_range(int_fc);
                g_string_append(pretty->string, "0b");
                v.u = _bt_piecewise_lshift(v.u, 64 - len);
                for (bitnr = 0; bitnr < len; bitnr++) {
@@ -588,14 +564,14 @@ enum bt_component_status print_integer(struct pretty_component *pretty,
                }
                break;
        }
-       case BT_FIELD_TYPE_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL:
+       case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_OCTAL:
        {
-               if (ft_id == BT_FIELD_TYPE_ID_SIGNED_INTEGER ||
-                               ft_id == BT_FIELD_TYPE_ID_SIGNED_ENUMERATION) {
+               if (ft_type == BT_FIELD_CLASS_TYPE_SIGNED_INTEGER ||
+                               ft_type == BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION) {
                        int len;
 
-                       len = bt_field_type_integer_get_field_value_range(
-                               int_ft);
+                       len = bt_field_class_integer_get_field_value_range(
+                               int_fc);
                        if (len < 64) {
                                size_t rounded_len;
 
@@ -609,19 +585,19 @@ enum bt_component_status print_integer(struct pretty_component *pretty,
                g_string_append_printf(pretty->string, "0%" PRIo64, v.u);
                break;
        }
-       case BT_FIELD_TYPE_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL:
-               if (ft_id == BT_FIELD_TYPE_ID_UNSIGNED_INTEGER ||
-                               ft_id == BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION) {
+       case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_DECIMAL:
+               if (ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER ||
+                               ft_type == BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION) {
                        g_string_append_printf(pretty->string, "%" PRIu64, v.u);
                } else {
                        g_string_append_printf(pretty->string, "%" PRId64, v.s);
                }
                break;
-       case BT_FIELD_TYPE_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL:
+       case BT_FIELD_CLASS_INTEGER_PREFERRED_DISPLAY_BASE_HEXADECIMAL:
        {
                int len;
 
-               len = bt_field_type_integer_get_field_value_range(int_ft);
+               len = bt_field_class_integer_get_field_value_range(int_fc);
                if (len < 64) {
                        /* Round length to the nearest nibble */
                        uint8_t rounded_len = ((len + 3) & ~0x3);
@@ -633,7 +609,7 @@ enum bt_component_status print_integer(struct pretty_component *pretty,
                break;
        }
        default:
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 end:
@@ -712,27 +688,27 @@ void print_escape_string(struct pretty_component *pretty, const char *str)
 }
 
 static
-enum bt_component_status print_enum(struct pretty_component *pretty,
-               struct bt_field *field)
+int print_enum(struct pretty_component *pretty,
+               const bt_field *field)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field_type *enumeration_field_type = NULL;
-       bt_field_type_enumeration_mapping_label_array label_array;
+       int ret = 0;
+       const bt_field_class *enumeration_field_class = NULL;
+       bt_field_class_enumeration_mapping_label_array label_array;
        uint64_t label_count;
        uint64_t i;
 
-       enumeration_field_type = bt_field_borrow_type(field);
-       if (!enumeration_field_type) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+       enumeration_field_class = bt_field_borrow_class_const(field);
+       if (!enumeration_field_class) {
+               ret = -1;
                goto end;
        }
 
-       switch (bt_field_get_type_id(field)) {
-       case BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION:
+       switch (bt_field_get_class_type(field)) {
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
                ret = bt_field_unsigned_enumeration_get_mapping_labels(field,
                        &label_array, &label_count);
                break;
-       case BT_FIELD_TYPE_ID_SIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
                ret = bt_field_signed_enumeration_get_mapping_labels(field,
                        &label_array, &label_count);
                break;
@@ -741,7 +717,7 @@ enum bt_component_status print_enum(struct pretty_component *pretty,
        }
 
        if (ret) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
@@ -773,7 +749,7 @@ enum bt_component_status print_enum(struct pretty_component *pretty,
 skip_loop:
        g_string_append(pretty->string, " : container = ");
        ret = print_integer(pretty, field);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
        g_string_append(pretty->string, " )");
@@ -801,29 +777,29 @@ int filter_field_name(struct pretty_component *pretty, const char *field_name,
 }
 
 static
-enum bt_component_status print_struct_field(struct pretty_component *pretty,
-               struct bt_field *_struct,
-               struct bt_field_type *struct_type,
+int print_struct_field(struct pretty_component *pretty,
+               const bt_field *_struct,
+               const bt_field_class *struct_class,
                uint64_t i, bool print_names, uint64_t *nr_printed_fields,
                GQuark *filter_fields, int filter_array_len)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+       int ret = 0;
        const char *field_name;
-       struct bt_field *field = NULL;
-       struct bt_field_type *field_type = NULL;;
+       const bt_field *field = NULL;
+       const bt_field_class *field_class = NULL;;
 
-       field = bt_field_structure_borrow_member_field_by_index(_struct, i);
+       field = bt_field_structure_borrow_member_field_by_index_const(_struct, i);
        if (!field) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
-       bt_field_type_structure_borrow_member_by_index(struct_type, i,
-               &field_name, &field_type);
+       bt_field_class_structure_borrow_member_by_index_const(struct_class, i,
+               &field_name, &field_class);
 
        if (filter_fields && !filter_field_name(pretty, field_name,
                                filter_fields, filter_array_len)) {
-               ret = BT_COMPONENT_STATUS_OK;
+               ret = 0;
                goto end;
        }
 
@@ -843,32 +819,32 @@ end:
 }
 
 static
-enum bt_component_status print_struct(struct pretty_component *pretty,
-               struct bt_field *_struct, bool print_names,
+int print_struct(struct pretty_component *pretty,
+               const bt_field *_struct, bool print_names,
                GQuark *filter_fields, int filter_array_len)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field_type *struct_type = NULL;
+       int ret = 0;
+       const bt_field_class *struct_class = NULL;
        uint64_t nr_fields, i, nr_printed_fields;
 
-       struct_type = bt_field_borrow_type(_struct);
-       if (!struct_type) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+       struct_class = bt_field_borrow_class_const(_struct);
+       if (!struct_class) {
+               ret = -1;
                goto end;
        }
-       nr_fields = bt_field_type_structure_get_member_count(struct_type);
+       nr_fields = bt_field_class_structure_get_member_count(struct_class);
        if (nr_fields < 0) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
        g_string_append(pretty->string, "{");
        pretty->depth++;
        nr_printed_fields = 0;
        for (i = 0; i < nr_fields; i++) {
-               ret = print_struct_field(pretty, _struct, struct_type, i,
+               ret = print_struct_field(pretty, _struct, struct_class, i,
                                print_names, &nr_printed_fields, filter_fields,
                                filter_array_len);
-               if (ret != BT_COMPONENT_STATUS_OK) {
+               if (ret != 0) {
                        goto end;
                }
        }
@@ -880,10 +856,10 @@ end:
 }
 
 static
-enum bt_component_status print_array_field(struct pretty_component *pretty,
-               struct bt_field *array, uint64_t i, bool print_names)
+int print_array_field(struct pretty_component *pretty,
+               const bt_field *array, uint64_t i, bool print_names)
 {
-       struct bt_field *field = NULL;
+       const bt_field *field = NULL;
 
        if (i != 0) {
                g_string_append(pretty->string, ", ");
@@ -894,23 +870,23 @@ enum bt_component_status print_array_field(struct pretty_component *pretty,
                g_string_append_printf(pretty->string, "[%" PRIu64 "] = ", i);
        }
 
-       field = bt_field_array_borrow_element_field_by_index(array, i);
+       field = bt_field_array_borrow_element_field_by_index_const(array, i);
        BT_ASSERT(field);
        return print_field(pretty, field, print_names, NULL, 0);
 }
 
 static
-enum bt_component_status print_array(struct pretty_component *pretty,
-               struct bt_field *array, bool print_names)
+int print_array(struct pretty_component *pretty,
+               const bt_field *array, bool print_names)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field_type *array_type = NULL;
+       int ret = 0;
+       const bt_field_class *array_class = NULL;
        uint64_t len;
        uint64_t i;
 
-       array_type = bt_field_borrow_type(array);
-       if (!array_type) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+       array_class = bt_field_borrow_class_const(array);
+       if (!array_class) {
+               ret = -1;
                goto end;
        }
        len = bt_field_array_get_length(array);
@@ -918,7 +894,7 @@ enum bt_component_status print_array(struct pretty_component *pretty,
        pretty->depth++;
        for (i = 0; i < len; i++) {
                ret = print_array_field(pretty, array, i, print_names);
-               if (ret != BT_COMPONENT_STATUS_OK) {
+               if (ret != 0) {
                        goto end;
                }
        }
@@ -930,10 +906,10 @@ end:
 }
 
 static
-enum bt_component_status print_sequence_field(struct pretty_component *pretty,
-               struct bt_field *seq, uint64_t i, bool print_names)
+int print_sequence_field(struct pretty_component *pretty,
+               const bt_field *seq, uint64_t i, bool print_names)
 {
-       struct bt_field *field = NULL;
+       const bt_field *field = NULL;
 
        if (i != 0) {
                g_string_append(pretty->string, ", ");
@@ -944,22 +920,22 @@ enum bt_component_status print_sequence_field(struct pretty_component *pretty,
                g_string_append_printf(pretty->string, "[%" PRIu64 "] = ", i);
        }
 
-       field = bt_field_array_borrow_element_field_by_index(seq, i);
+       field = bt_field_array_borrow_element_field_by_index_const(seq, i);
        BT_ASSERT(field);
        return print_field(pretty, field, print_names, NULL, 0);
 }
 
 static
-enum bt_component_status print_sequence(struct pretty_component *pretty,
-               struct bt_field *seq, bool print_names)
+int print_sequence(struct pretty_component *pretty,
+               const bt_field *seq, bool print_names)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
+       int ret = 0;
        uint64_t len;
        uint64_t i;
 
        len = bt_field_array_get_length(seq);
        if (len < 0) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
@@ -968,7 +944,7 @@ enum bt_component_status print_sequence(struct pretty_component *pretty,
        pretty->depth++;
        for (i = 0; i < len; i++) {
                ret = print_sequence_field(pretty, seq, i, print_names);
-               if (ret != BT_COMPONENT_STATUS_OK) {
+               if (ret != 0) {
                        goto end;
                }
        }
@@ -980,13 +956,13 @@ end:
 }
 
 static
-enum bt_component_status print_variant(struct pretty_component *pretty,
-               struct bt_field *variant, bool print_names)
+int print_variant(struct pretty_component *pretty,
+               const bt_field *variant, bool print_names)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field *field = NULL;
+       int ret = 0;
+       const bt_field *field = NULL;
 
-       field = bt_field_variant_borrow_selected_option_field(variant);
+       field = bt_field_variant_borrow_selected_option_field_const(variant);
        BT_ASSERT(field);
        g_string_append(pretty->string, "{ ");
        pretty->depth++;
@@ -995,7 +971,7 @@ enum bt_component_status print_variant(struct pretty_component *pretty,
                // print_field_name_equal(pretty, tag_choice);
        }
        ret = print_field(pretty, field, print_names, NULL, 0);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
        pretty->depth--;
@@ -1006,18 +982,18 @@ end:
 }
 
 static
-enum bt_component_status print_field(struct pretty_component *pretty,
-               struct bt_field *field, bool print_names,
+int print_field(struct pretty_component *pretty,
+               const bt_field *field, bool print_names,
                GQuark *filter_fields, int filter_array_len)
 {
-       enum bt_field_type_id type_id;
+       enum bt_field_class_type class_id;
 
-       type_id = bt_field_get_type_id(field);
-       switch (type_id) {
-       case BT_FIELD_TYPE_ID_UNSIGNED_INTEGER:
-       case BT_FIELD_TYPE_ID_SIGNED_INTEGER:
+       class_id = bt_field_get_class_type(field);
+       switch (class_id) {
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_INTEGER:
+       case BT_FIELD_CLASS_TYPE_SIGNED_INTEGER:
                return print_integer(pretty, field);
-       case BT_FIELD_TYPE_ID_REAL:
+       case BT_FIELD_CLASS_TYPE_REAL:
        {
                double v;
 
@@ -1029,18 +1005,18 @@ enum bt_component_status print_field(struct pretty_component *pretty,
                if (pretty->use_colors) {
                        g_string_append(pretty->string, COLOR_RST);
                }
-               return BT_COMPONENT_STATUS_OK;
+               return 0;
        }
-       case BT_FIELD_TYPE_ID_UNSIGNED_ENUMERATION:
-       case BT_FIELD_TYPE_ID_SIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_UNSIGNED_ENUMERATION:
+       case BT_FIELD_CLASS_TYPE_SIGNED_ENUMERATION:
                return print_enum(pretty, field);
-       case BT_FIELD_TYPE_ID_STRING:
+       case BT_FIELD_CLASS_TYPE_STRING:
        {
                const char *str;
 
                str = bt_field_string_get_value(field);
                if (!str) {
-                       return BT_COMPONENT_STATUS_ERROR;
+                       return -1;
                }
 
                if (pretty->use_colors) {
@@ -1050,38 +1026,38 @@ enum bt_component_status print_field(struct pretty_component *pretty,
                if (pretty->use_colors) {
                        g_string_append(pretty->string, COLOR_RST);
                }
-               return BT_COMPONENT_STATUS_OK;
+               return 0;
        }
-       case BT_FIELD_TYPE_ID_STRUCTURE:
+       case BT_FIELD_CLASS_TYPE_STRUCTURE:
                return print_struct(pretty, field, print_names, filter_fields,
                                filter_array_len);
-       case BT_FIELD_TYPE_ID_VARIANT:
+       case BT_FIELD_CLASS_TYPE_VARIANT:
                return print_variant(pretty, field, print_names);
-       case BT_FIELD_TYPE_ID_STATIC_ARRAY:
+       case BT_FIELD_CLASS_TYPE_STATIC_ARRAY:
                return print_array(pretty, field, print_names);
-       case BT_FIELD_TYPE_ID_DYNAMIC_ARRAY:
+       case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
                return print_sequence(pretty, field, print_names);
        default:
                // TODO: log instead
-               fprintf(pretty->err, "[error] Unknown type id: %d\n", (int) type_id);
-               return BT_COMPONENT_STATUS_ERROR;
+               fprintf(pretty->err, "[error] Unknown type id: %d\n", (int) class_id);
+               return -1;
        }
 }
 
 static
-enum bt_component_status print_stream_packet_context(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_stream_packet_context(struct pretty_component *pretty,
+               const bt_event *event)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_packet *packet = NULL;
-       struct bt_field *main_field = NULL;
+       int ret = 0;
+       const bt_packet *packet = NULL;
+       const bt_field *main_field = NULL;
 
-       packet = bt_event_borrow_packet(event);
+       packet = bt_event_borrow_packet_const(event);
        if (!packet) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
-       main_field = bt_packet_borrow_context_field(packet);
+       main_field = bt_packet_borrow_context_field_const(packet);
        if (!main_field) {
                goto end;
        }
@@ -1102,13 +1078,13 @@ end:
 }
 
 static
-enum bt_component_status print_event_header_raw(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_event_header_raw(struct pretty_component *pretty,
+               const bt_event *event)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field *main_field = NULL;
+       int ret = 0;
+       const bt_field *main_field = NULL;
 
-       main_field = bt_event_borrow_header_field(event);
+       main_field = bt_event_borrow_header_field_const(event);
        if (!main_field) {
                goto end;
        }
@@ -1127,13 +1103,13 @@ end:
 }
 
 static
-enum bt_component_status print_stream_event_context(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_stream_event_context(struct pretty_component *pretty,
+               const bt_event *event)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field *main_field = NULL;
+       int ret = 0;
+       const bt_field *main_field = NULL;
 
-       main_field = bt_event_borrow_common_context_field(event);
+       main_field = bt_event_borrow_common_context_field_const(event);
        if (!main_field) {
                goto end;
        }
@@ -1152,13 +1128,13 @@ end:
 }
 
 static
-enum bt_component_status print_event_context(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_event_context(struct pretty_component *pretty,
+               const bt_event *event)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field *main_field = NULL;
+       int ret = 0;
+       const bt_field *main_field = NULL;
 
-       main_field = bt_event_borrow_specific_context_field(event);
+       main_field = bt_event_borrow_specific_context_field_const(event);
        if (!main_field) {
                goto end;
        }
@@ -1177,13 +1153,13 @@ end:
 }
 
 static
-enum bt_component_status print_event_payload(struct pretty_component *pretty,
-               struct bt_event *event)
+int print_event_payload(struct pretty_component *pretty,
+               const bt_event *event)
 {
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_field *main_field = NULL;
+       int ret = 0;
+       const bt_field *main_field = NULL;
 
-       main_field = bt_event_borrow_payload_field(event);
+       main_field = bt_event_borrow_payload_field_const(event);
        if (!main_field) {
                goto end;
        }
@@ -1219,51 +1195,51 @@ end:
 }
 
 BT_HIDDEN
-enum bt_component_status pretty_print_event(struct pretty_component *pretty,
-               struct bt_notification *event_notif)
+int pretty_print_event(struct pretty_component *pretty,
+               const bt_message *event_msg)
 {
-       enum bt_component_status ret;
-       struct bt_event *event =
-               bt_notification_event_borrow_event(event_notif);
+       int ret;
+       const bt_event *event =
+               bt_message_event_borrow_event_const(event_msg);
 
        BT_ASSERT(event);
        pretty->start_line = true;
        g_string_assign(pretty->string, "");
        ret = print_event_header(pretty, event);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
 
        ret = print_stream_packet_context(pretty, event);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
 
        if (pretty->options.verbose) {
                ret = print_event_header_raw(pretty, event);
-               if (ret != BT_COMPONENT_STATUS_OK) {
+               if (ret != 0) {
                        goto end;
                }
        }
 
        ret = print_stream_event_context(pretty, event);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
 
        ret = print_event_context(pretty, event);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
 
        ret = print_event_payload(pretty, event);
-       if (ret != BT_COMPONENT_STATUS_OK) {
+       if (ret != 0) {
                goto end;
        }
 
        g_string_append_c(pretty->string, '\n');
        if (flush_buf(pretty->out, pretty)) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
                goto end;
        }
 
@@ -1272,31 +1248,31 @@ end:
 }
 
 static
-enum bt_component_status print_discarded_elements_msg(
-               struct pretty_component *pretty, struct bt_packet *packet,
+int print_discarded_elements_msg(
+               struct pretty_component *pretty, const bt_packet *packet,
                uint64_t count, const char *elem_type)
 {
 #if 0
-       enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-       struct bt_stream *stream = NULL;
-       struct bt_stream_class *stream_class = NULL;
-       struct bt_trace *trace = NULL;
+       int ret = 0;
+       const bt_stream *stream = NULL;
+       const bt_stream_class *stream_class = NULL;
+       const bt_trace *trace = NULL;
        const char *stream_name;
        const char *trace_name;
        const unsigned char *trace_uuid;
        int64_t stream_class_id;
        int64_t stream_id;
-       struct bt_clock_value *begin_clock_value = NULL;
-       struct bt_clock_value *end_clock_value = NULL;
+       bt_clock_snapshot *begin_clock_snapshot = NULL;
+       bt_clock_snapshot *end_clock_snapshot = NULL;
 
        /* Stream name */
        BT_ASSERT(packet);
-       stream = bt_packet_borrow_stream(packet);
+       stream = bt_packet_borrow_stream_const(packet);
        BT_ASSERT(stream);
        stream_name = bt_stream_get_name(stream);
 
        /* Stream class ID */
-       stream_class = bt_stream_borrow_class(stream);
+       stream_class = bt_stream_borrow_class_const(stream);
        BT_ASSERT(stream_class);
        stream_class_id = bt_stream_class_get_id(stream_class);
 
@@ -1304,7 +1280,7 @@ enum bt_component_status print_discarded_elements_msg(
        stream_id = bt_stream_get_id(stream);
 
        /* Trace name */
-       trace = bt_stream_class_borrow_trace(stream_class);
+       trace = bt_stream_class_borrow_trace_const(stream_class);
        BT_ASSERT(trace);
        trace_name = bt_trace_get_name(trace);
        if (!trace_name) {
@@ -1315,10 +1291,10 @@ enum bt_component_status print_discarded_elements_msg(
        trace_uuid = bt_trace_get_uuid(trace);
 
        /* Beginning and end times */
-       (void) bt_packet_borrow_previous_packet_default_end_clock_value(
-               packet, &begin_clock_value);
-       (void) bt_packet_borrow_default_end_clock_value(packet,
-               &end_clock_value);
+       (void) bt_packet_borrow_previous_packet_default_end_clock_snapshot_const(
+               packet, &begin_clock_snapshot);
+       (void) bt_packet_borrow_default_end_clock_snapshot_const(packet,
+               &end_clock_snapshot);
 
        /* Format message */
        g_string_assign(pretty->string, "");
@@ -1330,11 +1306,11 @@ enum bt_component_status print_discarded_elements_msg(
                bt_common_color_fg_yellow(),
                count, elem_type, count == 1 ? "" : "s");
 
-       if (begin_clock_value && end_clock_value) {
+       if (begin_clock_snapshot && end_clock_snapshot) {
                g_string_append(pretty->string, "between [");
-               print_timestamp_wall(pretty, begin_clock_value);
+               print_timestamp_wall(pretty, begin_clock_snapshot);
                g_string_append(pretty->string, "] and [");
-               print_timestamp_wall(pretty, end_clock_value);
+               print_timestamp_wall(pretty, end_clock_snapshot);
                g_string_append(pretty->string, "]");
        } else {
                g_string_append(pretty->string, "(unknown time range)");
@@ -1384,7 +1360,7 @@ enum bt_component_status print_discarded_elements_msg(
         * with Babeltrace 1.
         */
        if (flush_buf(stderr, pretty)) {
-               ret = BT_COMPONENT_STATUS_ERROR;
+               ret = -1;
        }
 
        return ret;
@@ -1393,21 +1369,21 @@ enum bt_component_status print_discarded_elements_msg(
 }
 
 BT_HIDDEN
-enum bt_component_status pretty_print_packet(struct pretty_component *pretty,
-               struct bt_notification *packet_beginning_notif)
+int pretty_print_packet(struct pretty_component *pretty,
+               const bt_message *packet_beginning_msg)
 {
 #if 0
-       struct bt_packet *packet = bt_notification_packet_begin_borrow_packet(
-               packet_beginning_notif);
+       const bt_packet *packet = bt_message_packet_beginning_borrow_packet_const(
+               packet_beginning_msg);
        uint64_t count;
-       enum bt_component_status status = BT_COMPONENT_STATUS_OK;
+       int status = 0;
 
        if (bt_packet_get_discarded_event_count(packet, &count) ==
                        BT_PACKET_PROPERTY_AVAILABILITY_AVAILABLE &&
                        count > 0) {
                status = print_discarded_elements_msg(pretty, packet,
                        count, "event");
-               if (status != BT_COMPONENT_STATUS_OK) {
+               if (status != 0) {
                        goto end;
                }
        }
@@ -1417,7 +1393,7 @@ enum bt_component_status pretty_print_packet(struct pretty_component *pretty,
                        count > 0) {
                status = print_discarded_elements_msg(pretty, packet,
                        count, "packet");
-               if (status != BT_COMPONENT_STATUS_OK) {
+               if (status != 0) {
                        goto end;
                }
        }
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