lib: graph: add "self" and some "private" APIs
[babeltrace.git] / lib / trace-ir / trace.c
index e5ae51325ddd5932177ba8a11996ff42652fd5ca..fdb075886367deaab5dfab922fc40e29b98ae1ec 100644 (file)
@@ -1,8 +1,4 @@
 /*
- * trace.c
- *
- * Babeltrace trace IR - Trace
- *
  * Copyright 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
  * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
@@ -30,6 +26,7 @@
 #include <babeltrace/lib-logging-internal.h>
 
 #include <babeltrace/assert-pre-internal.h>
+#include <babeltrace/trace-ir/private-trace.h>
 #include <babeltrace/trace-ir/trace-internal.h>
 #include <babeltrace/trace-ir/clock-class-internal.h>
 #include <babeltrace/trace-ir/stream-internal.h>
 #include <babeltrace/ctf-writer/functor-internal.h>
 #include <babeltrace/ctf-writer/clock-internal.h>
 #include <babeltrace/trace-ir/field-wrapper-internal.h>
-#include <babeltrace/trace-ir/field-types-internal.h>
+#include <babeltrace/trace-ir/field-classes-internal.h>
 #include <babeltrace/trace-ir/attributes-internal.h>
 #include <babeltrace/trace-ir/utils-internal.h>
 #include <babeltrace/trace-ir/resolve-field-path-internal.h>
 #include <babeltrace/compiler-internal.h>
 #include <babeltrace/values.h>
+#include <babeltrace/private-values.h>
 #include <babeltrace/values-internal.h>
-#include <babeltrace/ref.h>
+#include <babeltrace/object.h>
 #include <babeltrace/types.h>
 #include <babeltrace/endian-internal.h>
 #include <babeltrace/assert-internal.h>
@@ -58,8 +56,8 @@
 #include <stdlib.h>
 
 struct bt_trace_is_static_listener_elem {
-       bt_trace_is_static_listener func;
-       bt_trace_listener_removed removed;
+       bt_private_trace_is_static_listener func;
+       bt_private_trace_listener_removed removed;
        void *data;
 };
 
@@ -86,7 +84,7 @@ void destroy_trace(struct bt_object *obj)
                                        struct bt_trace_is_static_listener_elem, i);
 
                        if (elem.removed) {
-                               elem.removed(trace, elem.data);
+                               elem.removed((void *) trace, elem.data);
                        }
                }
 
@@ -118,8 +116,8 @@ void destroy_trace(struct bt_object *obj)
                g_hash_table_destroy(trace->stream_classes_stream_count);
        }
 
-       BT_LOGD_STR("Putting packet header field type.");
-       bt_put(trace->packet_header_ft);
+       BT_LOGD_STR("Putting packet header field classe.");
+       bt_object_put_ref(trace->packet_header_fc);
        g_free(trace);
 }
 
@@ -130,7 +128,7 @@ void free_packet_header_field(struct bt_field_wrapper *field_wrapper,
        bt_field_wrapper_destroy(field_wrapper);
 }
 
-struct bt_trace *bt_trace_create(void)
+struct bt_private_trace *bt_private_trace_create(void)
 {
        struct bt_trace *trace = NULL;
        int ret;
@@ -198,10 +196,10 @@ struct bt_trace *bt_trace_create(void)
        goto end;
 
 error:
-       BT_PUT(trace);
+       BT_OBJECT_PUT_REF_AND_RESET(trace);
 
 end:
-       return trace;
+       return (void *) trace;
 }
 
 const char *bt_trace_get_name(struct bt_trace *trace)
@@ -210,8 +208,11 @@ const char *bt_trace_get_name(struct bt_trace *trace)
        return trace->name.value;
 }
 
-int bt_trace_set_name(struct bt_trace *trace, const char *name)
+int bt_private_trace_set_name(struct bt_private_trace *priv_trace,
+               const char *name)
 {
+       struct bt_trace *trace = (void *) priv_trace;
+
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE_TRACE_HOT(trace);
@@ -227,8 +228,10 @@ bt_uuid bt_trace_get_uuid(struct bt_trace *trace)
        return trace->uuid.value;
 }
 
-int bt_trace_set_uuid(struct bt_trace *trace, bt_uuid uuid)
+int bt_private_trace_set_uuid(struct bt_private_trace *priv_trace, bt_uuid uuid)
 {
+       struct bt_trace *trace = (void *) priv_trace;
+
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(uuid, "UUID");
        BT_ASSERT_PRE_TRACE_HOT(trace);
@@ -242,18 +245,15 @@ BT_ASSERT_FUNC
 static
 bool trace_has_environment_entry(struct bt_trace *trace, const char *name)
 {
-       struct bt_value *attribute;
-
        BT_ASSERT(trace);
 
-       attribute = bt_attributes_borrow_field_value_by_name(
-               trace->environment, name);
-       return attribute != NULL;
+       return bt_attributes_borrow_field_value_by_name(
+               trace->environment, name) != NULL;
 }
 
 static
 int set_environment_entry(struct bt_trace *trace, const char *name,
-               struct bt_value *value)
+               struct bt_private_value *value)
 {
        int ret;
 
@@ -266,7 +266,7 @@ int set_environment_entry(struct bt_trace *trace, const char *name,
                "%![trace-]+t, entry-name=\"%s\"", trace, name);
        ret = bt_attributes_set_field_value(trace->environment, name,
                value);
-       bt_value_freeze(value);
+       bt_value_freeze(bt_private_value_borrow_value(value));
        if (ret) {
                BT_LIB_LOGE("Cannot set trace's environment entry: "
                        "%![trace-]+t, entry-name=\"%s\"", trace, name);
@@ -278,16 +278,18 @@ int set_environment_entry(struct bt_trace *trace, const char *name,
        return ret;
 }
 
-int bt_trace_set_environment_entry_string(struct bt_trace *trace,
+int bt_private_trace_set_environment_entry_string(
+               struct bt_private_trace *priv_trace,
                const char *name, const char *value)
 {
        int ret;
-       struct bt_value *value_obj;
+       struct bt_private_value *value_obj;
+       struct bt_trace *trace = (void *) priv_trace;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
        BT_ASSERT_PRE_NON_NULL(value, "Value");
-       value_obj = bt_value_string_create_init(value);
+       value_obj = bt_private_value_string_create_init(value);
        if (!value_obj) {
                BT_LOGE_STR("Cannot create a string value object.");
                ret = -1;
@@ -298,19 +300,21 @@ int bt_trace_set_environment_entry_string(struct bt_trace *trace,
        ret = set_environment_entry(trace, name, value_obj);
 
 end:
-       bt_put(value_obj);
+       bt_object_put_ref(value_obj);
        return ret;
 }
 
-int bt_trace_set_environment_entry_integer(
-               struct bt_trace *trace, const char *name, int64_t value)
+int bt_private_trace_set_environment_entry_integer(
+               struct bt_private_trace *priv_trace,
+               const char *name, int64_t value)
 {
        int ret;
-       struct bt_value *value_obj;
+       struct bt_private_value *value_obj;
+       struct bt_trace *trace = (void *) priv_trace;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
-       value_obj = bt_value_integer_create_init(value);
+       value_obj = bt_private_value_integer_create_init(value);
        if (!value_obj) {
                BT_LOGE_STR("Cannot create an integer value object.");
                ret = -1;
@@ -321,7 +325,7 @@ int bt_trace_set_environment_entry_integer(
        ret = set_environment_entry(trace, name, value_obj);
 
 end:
-       bt_put(value_obj);
+       bt_object_put_ref(value_obj);
        return ret;
 }
 
@@ -344,19 +348,37 @@ void bt_trace_borrow_environment_entry_by_index(
        BT_ASSERT_PRE_NON_NULL(value, "Value");
        BT_ASSERT_PRE_VALID_INDEX(index,
                bt_attributes_get_count(trace->environment));
-       *value = bt_attributes_borrow_field_value(trace->environment, index);
+       *value = bt_private_value_borrow_value(
+               bt_attributes_borrow_field_value(trace->environment, index));
        BT_ASSERT(*value);
        *name = bt_attributes_get_field_name(trace->environment, index);
        BT_ASSERT(*name);
 }
 
+void bt_private_trace_borrow_environment_entry_by_index(
+               struct bt_private_trace *trace, uint64_t index,
+               const char **name, struct bt_private_value **value)
+{
+       bt_trace_borrow_environment_entry_by_index((void *) trace,
+               index, name, (void *) value);
+}
+
 struct bt_value *bt_trace_borrow_environment_entry_value_by_name(
                struct bt_trace *trace, const char *name)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_NON_NULL(name, "Name");
-       return bt_attributes_borrow_field_value_by_name(trace->environment,
-               name);
+       return bt_private_value_borrow_value(
+               bt_attributes_borrow_field_value_by_name(trace->environment,
+                       name));
+}
+
+struct bt_private_value *
+bt_private_trace_borrow_environment_entry_value_by_name(
+               struct bt_private_trace *trace, const char *name)
+{
+       return (void *) bt_trace_borrow_environment_entry_value_by_name(
+               (void *) trace, name);
 }
 
 uint64_t bt_trace_get_stream_count(struct bt_trace *trace)
@@ -373,6 +395,12 @@ struct bt_stream *bt_trace_borrow_stream_by_index(
        return g_ptr_array_index(trace->streams, index);
 }
 
+struct bt_private_stream *bt_private_trace_borrow_stream_by_index(
+               struct bt_private_trace *trace, uint64_t index)
+{
+       return (void *) bt_trace_borrow_stream_by_index((void *) trace, index);
+}
+
 struct bt_stream *bt_trace_borrow_stream_by_id(
                struct bt_trace *trace, uint64_t id)
 {
@@ -395,6 +423,12 @@ end:
        return stream;
 }
 
+struct bt_private_stream *bt_private_trace_borrow_private_stream_by_id(
+               struct bt_private_trace *trace, uint64_t id)
+{
+       return (void *) bt_trace_borrow_stream_by_id((void *) trace, id);
+}
+
 uint64_t bt_trace_get_stream_class_count(struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
@@ -409,6 +443,14 @@ struct bt_stream_class *bt_trace_borrow_stream_class_by_index(
        return g_ptr_array_index(trace->stream_classes, index);
 }
 
+struct bt_private_stream_class *
+bt_private_trace_borrow_stream_class_by_index(
+               struct bt_private_trace *trace, uint64_t index)
+{
+       return (void *) bt_trace_borrow_stream_class_by_index(
+               (void *) trace, index);
+}
+
 struct bt_stream_class *bt_trace_borrow_stream_class_by_id(
                struct bt_trace *trace, uint64_t id)
 {
@@ -431,19 +473,29 @@ end:
        return stream_class;
 }
 
-struct bt_field_type *bt_trace_borrow_packet_header_field_type(
+struct bt_private_stream_class *
+bt_private_trace_borrow_stream_class_by_id(
+               struct bt_private_trace *trace, uint64_t id)
+{
+       return (void *) bt_trace_borrow_stream_class_by_id((void *) trace, id);
+}
+
+struct bt_field_class *bt_trace_borrow_packet_header_field_class(
                struct bt_trace *trace)
 {
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
-       return trace->packet_header_ft;
+       return trace->packet_header_fc;
 }
 
-int bt_trace_set_packet_header_field_type(struct bt_trace *trace,
-               struct bt_field_type *field_type)
+int bt_private_trace_set_packet_header_field_class(
+               struct bt_private_trace *priv_trace,
+               struct bt_private_field_class *priv_field_class)
 {
        int ret;
+       struct bt_trace *trace = (void *) priv_trace;
+       struct bt_field_class *field_class = (void *) priv_field_class;
        struct bt_resolve_field_path_context resolve_ctx = {
-               .packet_header = field_type,
+               .packet_header = field_class,
                .packet_context = NULL,
                .event_header = NULL,
                .event_common_context = NULL,
@@ -452,22 +504,22 @@ int bt_trace_set_packet_header_field_type(struct bt_trace *trace,
        };
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
-       BT_ASSERT_PRE_NON_NULL(field_type, "Field type");
+       BT_ASSERT_PRE_NON_NULL(field_class, "Field class");
        BT_ASSERT_PRE_TRACE_HOT(trace);
-       BT_ASSERT_PRE(bt_field_type_get_type_id(field_type) ==
-               BT_FIELD_TYPE_ID_STRUCTURE,
-               "Packet header field type is not a structure field type: %!+F",
-               field_type);
-       ret = bt_resolve_field_paths(field_type, &resolve_ctx);
+       BT_ASSERT_PRE(bt_field_class_get_type(field_class) ==
+               BT_FIELD_CLASS_TYPE_STRUCTURE,
+               "Packet header field classe is not a structure field classe: %!+F",
+               field_class);
+       ret = bt_resolve_field_paths(field_class, &resolve_ctx);
        if (ret) {
                goto end;
        }
 
-       bt_field_type_make_part_of_trace(field_type);
-       bt_put(trace->packet_header_ft);
-       trace->packet_header_ft = bt_get(field_type);
-       bt_field_type_freeze(field_type);
-       BT_LIB_LOGV("Set trace's packet header field type: %!+t", trace);
+       bt_field_class_make_part_of_trace(field_class);
+       bt_object_put_ref(trace->packet_header_fc);
+       trace->packet_header_fc = bt_object_get_ref(field_class);
+       bt_field_class_freeze(field_class);
+       BT_LIB_LOGV("Set trace's packet header field classe: %!+t", trace);
 
 end:
        return ret;
@@ -479,8 +531,9 @@ bt_bool bt_trace_is_static(struct bt_trace *trace)
        return (bt_bool) trace->is_static;
 }
 
-int bt_trace_make_static(struct bt_trace *trace)
+int bt_private_trace_make_static(struct bt_private_trace *priv_trace)
 {
+       struct bt_trace *trace = (void *) priv_trace;
        uint64_t i;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
@@ -495,18 +548,20 @@ int bt_trace_make_static(struct bt_trace *trace)
                                struct bt_trace_is_static_listener_elem, i);
 
                if (elem.func) {
-                       elem.func(trace, elem.data);
+                       elem.func((void *) trace, elem.data);
                }
        }
 
        return 0;
 }
 
-int bt_trace_add_is_static_listener(struct bt_trace *trace,
-               bt_trace_is_static_listener listener,
-               bt_trace_listener_removed listener_removed, void *data,
+int bt_private_trace_add_is_static_listener(
+               struct bt_private_trace *priv_trace,
+               bt_private_trace_is_static_listener listener,
+               bt_private_trace_listener_removed listener_removed, void *data,
                uint64_t *listener_id)
 {
+       struct bt_trace *trace = (void *) priv_trace;
        uint64_t i;
        struct bt_trace_is_static_listener_elem new_elem = {
                .func = listener,
@@ -558,9 +613,10 @@ bool has_listener_id(struct bt_trace *trace, uint64_t listener_id)
                        listener_id))->func != NULL;
 }
 
-int bt_trace_remove_is_static_listener(
-               struct bt_trace *trace, uint64_t listener_id)
+int bt_private_trace_remove_is_static_listener(
+               struct bt_private_trace *priv_trace, uint64_t listener_id)
 {
+       struct bt_trace *trace = (void *) priv_trace;
        struct bt_trace_is_static_listener_elem *elem;
 
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
@@ -583,7 +639,7 @@ int bt_trace_remove_is_static_listener(
                        "%![trace-]+t, listener-id=%" PRIu64,
                        trace, listener_id);
                trace->in_remove_listener = true;
-               elem->removed(trace, elem->data);
+               elem->removed((void *) trace, elem->data);
                trace->in_remove_listener = false;
        }
 
@@ -599,7 +655,7 @@ int bt_trace_remove_is_static_listener(
 BT_HIDDEN
 void _bt_trace_freeze(struct bt_trace *trace)
 {
-       /* The packet header field type is already frozen */
+       /* The packet header field classe is already frozen */
        BT_ASSERT(trace);
        BT_LIB_LOGD("Freezing trace: %!+t", trace);
        trace->frozen = true;
@@ -611,9 +667,11 @@ bt_bool bt_trace_assigns_automatic_stream_class_id(struct bt_trace *trace)
        return (bt_bool) trace->assigns_automatic_stream_class_id;
 }
 
-int bt_trace_set_assigns_automatic_stream_class_id(
-               struct bt_trace *trace, bt_bool value)
+int bt_private_trace_set_assigns_automatic_stream_class_id(
+               struct bt_private_trace *priv_trace, bt_bool value)
 {
+       struct bt_trace *trace = (void *) priv_trace;
+
        BT_ASSERT_PRE_NON_NULL(trace, "Trace");
        BT_ASSERT_PRE_TRACE_HOT(trace);
        trace->assigns_automatic_stream_class_id = (bool) value;
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