Unify reference counting using a common bt_object base
[babeltrace.git] / formats / ctf / ir / event.c
index 7b8844beafb74e7dc00ec16cccdd3f865047c863..226251f7bbd84adc7793806f50c382964827e099 100644 (file)
 #include <babeltrace/ctf-ir/stream-class-internal.h>
 #include <babeltrace/ctf-ir/trace-internal.h>
 #include <babeltrace/ctf-ir/utils.h>
+#include <babeltrace/ref.h>
 #include <babeltrace/ctf-ir/attributes-internal.h>
 #include <babeltrace/compiler.h>
 
 static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_event_class_destroy(struct bt_object *obj);
 static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref);
+void bt_ctf_event_destroy(struct bt_object *obj);
 static
 int set_integer_field_value(struct bt_ctf_field *field, uint64_t value);
 
 struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
 {
        int ret;
-       struct bt_object *obj = NULL;
+       struct bt_value *obj = NULL;
        struct bt_ctf_event_class *event_class = NULL;
 
        if (bt_ctf_validate_identifier(name)) {
@@ -61,7 +62,7 @@ struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
                goto error;
        }
 
-       bt_ctf_ref_init(&event_class->ref_count);
+       bt_object_init(event_class, bt_ctf_event_class_destroy);
        event_class->fields = bt_ctf_field_type_structure_create();
        if (!event_class->fields) {
                goto error;
@@ -72,7 +73,7 @@ struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
                goto error;
        }
 
-       obj = bt_object_integer_create_init(-1);
+       obj = bt_value_integer_create_init(-1);
        if (!obj) {
                goto error;
        }
@@ -83,9 +84,9 @@ struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
                goto error;
        }
 
-       BT_OBJECT_PUT(obj);
+       BT_PUT(obj);
 
-       obj = bt_object_string_create_init(name);
+       obj = bt_value_string_create_init(name);
        if (!obj) {
                goto error;
        }
@@ -96,23 +97,19 @@ struct bt_ctf_event_class *bt_ctf_event_class_create(const char *name)
                goto error;
        }
 
-       BT_OBJECT_PUT(obj);
+       BT_PUT(obj);
 
        return event_class;
 
 error:
-       if (event_class) {
-               bt_ctf_event_class_put(event_class);
-       }
-
-       BT_OBJECT_PUT(obj);
-
-       return NULL;
+        BT_PUT(event_class);
+       BT_PUT(obj);
+       return event_class;
 }
 
 const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
 {
-       struct bt_object *obj = NULL;
+       struct bt_value *obj = NULL;
        const char *name = NULL;
 
        if (!event_class) {
@@ -125,19 +122,18 @@ const char *bt_ctf_event_class_get_name(struct bt_ctf_event_class *event_class)
                goto end;
        }
 
-       if (bt_object_string_get(obj, &name)) {
+       if (bt_value_string_get(obj, &name)) {
                name = NULL;
        }
 
 end:
-       BT_OBJECT_PUT(obj);
-
+       BT_PUT(obj);
        return name;
 }
 
 int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
 {
-       struct bt_object *obj = NULL;
+       struct bt_value *obj = NULL;
        int64_t ret = 0;
 
        if (!event_class) {
@@ -151,7 +147,7 @@ int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
                goto end;
        }
 
-       if (bt_object_integer_get(obj, &ret)) {
+       if (bt_value_integer_get(obj, &ret)) {
                ret = -1;
        }
 
@@ -162,8 +158,7 @@ int64_t bt_ctf_event_class_get_id(struct bt_ctf_event_class *event_class)
        }
 
 end:
-       BT_OBJECT_PUT(obj);
-
+       BT_PUT(obj);
        return ret;
 }
 
@@ -171,7 +166,7 @@ int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
                uint32_t id)
 {
        int ret = 0;
-       struct bt_object *obj = NULL;
+       struct bt_value *obj = NULL;
 
        if (!event_class) {
                ret = -1;
@@ -193,20 +188,19 @@ int bt_ctf_event_class_set_id(struct bt_ctf_event_class *event_class,
                goto end;
        }
 
-       if (bt_object_integer_set(obj, id)) {
+       if (bt_value_integer_set(obj, id)) {
                ret = -1;
                goto end;
        }
 
 end:
-       BT_OBJECT_PUT(obj);
-
+       BT_PUT(obj);
        return ret;
 }
 
 int bt_ctf_event_class_set_attribute(
                struct bt_ctf_event_class *event_class, const char *name,
-               struct bt_object *value)
+               struct bt_value *value)
 {
        int ret = 0;
 
@@ -216,12 +210,12 @@ int bt_ctf_event_class_set_attribute(
        }
 
        if (!strcmp(name, "id") || !strcmp(name, "loglevel")) {
-               if (!bt_object_is_integer(value)) {
+               if (!bt_value_is_integer(value)) {
                        ret = -1;
                        goto end;
                }
        } else if (!strcmp(name, "name") || !strcmp(name, "model.emf.uri")) {
-               if (!bt_object_is_string(value)) {
+               if (!bt_value_is_string(value)) {
                        ret = -1;
                        goto end;
                }
@@ -235,7 +229,7 @@ int bt_ctf_event_class_set_attribute(
        if (!strcmp(name, "id")) {
                int64_t val;
 
-               ret = bt_object_integer_get(value, &val);
+               ret = bt_value_integer_get(value, &val);
 
                if (ret) {
                        goto end;
@@ -287,11 +281,11 @@ end:
        return ret;
 }
 
-struct bt_object *
+struct bt_value *
 bt_ctf_event_class_get_attribute_value(struct bt_ctf_event_class *event_class,
                int index)
 {
-       struct bt_object *ret;
+       struct bt_value *ret;
 
        if (!event_class) {
                ret = NULL;
@@ -304,11 +298,11 @@ end:
        return ret;
 }
 
-struct bt_object *
+struct bt_value *
 bt_ctf_event_class_get_attribute_value_by_name(
                struct bt_ctf_event_class *event_class, const char *name)
 {
-       struct bt_object *ret;
+       struct bt_value *ret;
 
        if (!event_class || !name) {
                ret = NULL;
@@ -333,7 +327,7 @@ struct bt_ctf_stream_class *bt_ctf_event_class_get_stream_class(
        }
 
        stream_class = event_class->stream_class;
-       bt_ctf_stream_class_get(stream_class);
+       bt_get(stream_class);
 end:
        return stream_class;
 }
@@ -347,7 +341,7 @@ struct bt_ctf_field_type *bt_ctf_event_class_get_payload_type(
                goto end;
        }
 
-       bt_ctf_field_type_get(event_class->fields);
+       bt_get(event_class->fields);
        payload = event_class->fields;
 end:
        return payload;
@@ -364,8 +358,8 @@ int bt_ctf_event_class_set_payload_type(struct bt_ctf_event_class *event_class,
                goto end;
        }
 
-       bt_ctf_field_type_get(payload);
-       bt_ctf_field_type_put(event_class->fields);
+       bt_get(payload);
+       bt_put(event_class->fields);
        event_class->fields = payload;
 end:
        return ret;
@@ -478,7 +472,7 @@ struct bt_ctf_field_type *bt_ctf_event_class_get_context_type(
                goto end;
        }
 
-       bt_ctf_field_type_get(event_class->context);
+       bt_get(event_class->context);
        context_type = event_class->context;
 end:
        return context_type;
@@ -500,8 +494,8 @@ int bt_ctf_event_class_set_context_type(
                goto end;
        }
 
-       bt_ctf_field_type_get(context);
-       bt_ctf_field_type_put(event_class->context);
+       bt_get(context);
+       bt_put(event_class->context);
        event_class->context = context;
 end:
        return ret;
@@ -510,20 +504,12 @@ end:
 
 void bt_ctf_event_class_get(struct bt_ctf_event_class *event_class)
 {
-       if (!event_class) {
-               return;
-       }
-
-       bt_ctf_ref_get(&event_class->ref_count);
+       bt_get(event_class);
 }
 
 void bt_ctf_event_class_put(struct bt_ctf_event_class *event_class)
 {
-       if (!event_class) {
-               return;
-       }
-
-       bt_ctf_ref_put(&event_class->ref_count, bt_ctf_event_class_destroy);
+       bt_put(event_class);
 }
 
 BT_HIDDEN
@@ -531,9 +517,9 @@ int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
                uint32_t stream_id)
 {
        int ret = 0;
-       struct bt_object *obj;
+       struct bt_value *obj;
 
-       obj = bt_object_integer_create_init(stream_id);
+       obj = bt_value_integer_create_init(stream_id);
 
        if (!obj) {
                ret = -1;
@@ -544,8 +530,7 @@ int bt_ctf_event_class_set_stream_id(struct bt_ctf_event_class *event_class,
                "stream_id", obj);
 
 end:
-       BT_OBJECT_PUT(obj);
-
+       BT_PUT(obj);
        return ret;
 }
 
@@ -572,26 +557,26 @@ struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
                goto end;
        }
 
-       bt_ctf_ref_init(&event->ref_count);
-       bt_ctf_event_class_get(event_class);
+       bt_object_init(event, bt_ctf_event_destroy);
+       bt_get(event_class);
        bt_ctf_event_class_freeze(event_class);
        event->event_class = event_class;
 
        event->event_header = bt_ctf_field_create(
                event_class->stream_class->event_header_type);
        if (!event->event_header) {
-               goto error_destroy;
+               goto error;
        }
        if (event_class->context) {
                event->context_payload = bt_ctf_field_create(
                        event_class->context);
                if (!event->context_payload) {
-                       goto error_destroy;
+                       goto error;
                }
        }
        event->fields_payload = bt_ctf_field_create(event_class->fields);
        if (!event->fields_payload) {
-               goto error_destroy;
+               goto error;
        }
 
        /*
@@ -601,12 +586,9 @@ struct bt_ctf_event *bt_ctf_event_create(struct bt_ctf_event_class *event_class)
        bt_ctf_stream_class_freeze(event_class->stream_class);
 end:
        return event;
-error_destroy:
-       if (event) {
-               bt_ctf_event_destroy(&event->ref_count);
-       }
-
-       return NULL;
+error:
+       BT_PUT(event);
+       return event;
 }
 
 struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
@@ -618,7 +600,7 @@ struct bt_ctf_event_class *bt_ctf_event_get_class(struct bt_ctf_event *event)
        }
 
        event_class = event->event_class;
-       bt_ctf_event_class_get(event_class);
+       bt_get(event_class);
 end:
        return event_class;
 }
@@ -632,9 +614,7 @@ struct bt_ctf_stream *bt_ctf_event_get_stream(struct bt_ctf_event *event)
        }
 
        stream = event->stream;
-       if (stream) {
-               bt_ctf_stream_get(stream);
-       }
+       bt_get(stream);
 end:
        return stream;
 }
@@ -665,9 +645,9 @@ struct bt_ctf_clock *bt_ctf_event_get_clock(struct bt_ctf_event *event)
        }
 
 error_put_stream_class:
-       bt_ctf_stream_class_put(stream_class);
+       bt_put(stream_class);
 error_put_event_class:
-       bt_ctf_event_class_put(event_class);
+       bt_put(event_class);
 end:
        return clock;
 }
@@ -691,14 +671,14 @@ int bt_ctf_event_set_payload(struct bt_ctf_event *event,
 
                payload_type = bt_ctf_field_get_type(payload);
                if (payload_type == event->event_class->fields) {
-                       bt_ctf_field_put(event->fields_payload);
-                       bt_ctf_field_get(payload);
+                       bt_put(event->fields_payload);
+                       bt_get(payload);
                        event->fields_payload = payload;
                } else {
                        ret = -1;
                }
 
-               bt_ctf_field_type_put(payload_type);
+               bt_put(payload_type);
        }
 end:
        return ret;
@@ -713,7 +693,7 @@ struct bt_ctf_field *bt_ctf_event_get_payload_field(struct bt_ctf_event *event)
        }
 
        payload = event->fields_payload;
-       bt_ctf_field_get(payload);
+       bt_get(payload);
 end:
        return payload;
 }
@@ -740,16 +720,12 @@ int bt_ctf_event_set_payload_field(struct bt_ctf_event *event,
                goto end;
        }
 
-       bt_ctf_field_get(payload);
-       if (event->fields_payload) {
-               bt_ctf_field_put(event->fields_payload);
-       }
+       bt_get(payload);
+       bt_put(event->fields_payload);
        event->fields_payload = payload;
 
 end:
-       if (payload_type) {
-               bt_ctf_field_type_put(payload_type);
-       }
+       bt_put(payload_type);
        return ret;
 }
 
@@ -767,7 +743,7 @@ struct bt_ctf_field *bt_ctf_event_get_payload(struct bt_ctf_event *event,
                        name);
        } else {
                field = event->fields_payload;
-               bt_ctf_field_get(field);
+               bt_get(field);
        }
 end:
        return field;
@@ -788,7 +764,7 @@ end:
        return field;
 }
 
-struct bt_ctf_field *bt_ctf_event_get_event_header(
+struct bt_ctf_field *bt_ctf_event_get_header(
                struct bt_ctf_event *event)
 {
        struct bt_ctf_field *header = NULL;
@@ -798,12 +774,12 @@ struct bt_ctf_field *bt_ctf_event_get_event_header(
        }
 
        header = event->event_header;
-       bt_ctf_field_get(header);
+       bt_get(header);
 end:
        return header;
 }
 
-int bt_ctf_event_set_event_header(struct bt_ctf_event *event,
+int bt_ctf_event_set_header(struct bt_ctf_event *event,
                struct bt_ctf_field *header)
 {
        int ret = 0;
@@ -830,13 +806,11 @@ int bt_ctf_event_set_event_header(struct bt_ctf_event *event,
                goto end;
        }
 
-       bt_ctf_field_get(header);
-       bt_ctf_field_put(event->event_header);
+       bt_get(header);
+       bt_put(event->event_header);
        event->event_header = header;
 end:
-       if (field_type) {
-               bt_ctf_field_type_put(field_type);
-       }
+       bt_put(field_type);
        return ret;
 }
 
@@ -850,7 +824,7 @@ struct bt_ctf_field *bt_ctf_event_get_event_context(
        }
 
        context = event->context_payload;
-       bt_ctf_field_get(context);
+       bt_get(context);
 end:
        return context;
 }
@@ -872,83 +846,50 @@ int bt_ctf_event_set_event_context(struct bt_ctf_event *event,
                goto end;
        }
 
-       bt_ctf_field_get(context);
-       bt_ctf_field_put(event->context_payload);
+       bt_get(context);
+       bt_put(event->context_payload);
        event->context_payload = context;
 end:
-       if (field_type) {
-               bt_ctf_field_type_put(field_type);
-       }
+       bt_put(field_type);
        return ret;
 }
 
 void bt_ctf_event_get(struct bt_ctf_event *event)
 {
-       if (!event) {
-               return;
-       }
-
-       bt_ctf_ref_get(&event->ref_count);
+       bt_get(event);
 }
 
 void bt_ctf_event_put(struct bt_ctf_event *event)
 {
-       if (!event) {
-               return;
-       }
-
-       bt_ctf_ref_put(&event->ref_count, bt_ctf_event_destroy);
+       bt_put(event);
 }
 
 static
-void bt_ctf_event_class_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_event_class_destroy(struct bt_object *obj)
 {
        struct bt_ctf_event_class *event_class;
 
-       if (!ref) {
-               return;
-       }
-
        /*
         * Don't call put() on the stream class. See comment in
         * bt_ctf_event_class_set_stream_class for explanation.
         */
-       event_class = container_of(ref, struct bt_ctf_event_class, ref_count);
-       if (event_class->attributes) {
-               bt_ctf_attributes_destroy(event_class->attributes);
-       }
-       if (event_class->context) {
-               bt_ctf_field_type_put(event_class->context);
-       }
-       if (event_class->fields) {
-               bt_ctf_field_type_put(event_class->fields);
-       }
+       event_class = container_of(obj, struct bt_ctf_event_class, base);
+       bt_ctf_attributes_destroy(event_class->attributes);
+       bt_put(event_class->context);
+       bt_put(event_class->fields);
        g_free(event_class);
 }
 
 static
-void bt_ctf_event_destroy(struct bt_ctf_ref *ref)
+void bt_ctf_event_destroy(struct bt_object *obj)
 {
        struct bt_ctf_event *event;
 
-       if (!ref) {
-               return;
-       }
-
-       event = container_of(ref, struct bt_ctf_event,
-               ref_count);
-       if (event->event_class) {
-               bt_ctf_event_class_put(event->event_class);
-       }
-       if (event->event_header) {
-               bt_ctf_field_put(event->event_header);
-       }
-       if (event->context_payload) {
-               bt_ctf_field_put(event->context_payload);
-       }
-       if (event->fields_payload) {
-               bt_ctf_field_put(event->fields_payload);
-       }
+       event = container_of(obj, struct bt_ctf_event, base);
+       bt_put(event->event_class);
+       bt_put(event->event_header);
+       bt_put(event->context_payload);
+       bt_put(event->fields_payload);
        g_free(event);
 }
 
@@ -991,7 +932,7 @@ int set_integer_field_value(struct bt_ctf_field* field, uint64_t value)
                }
        }
 end:
-       bt_ctf_field_type_put(field_type);
+       bt_put(field_type);
        return ret;
 }
 
@@ -1042,7 +983,7 @@ int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
        int i;
        int count;
        int ret = 0;
-       struct bt_object *attr_value = NULL;
+       struct bt_value *attr_value = NULL;
 
        assert(event_class);
        assert(context);
@@ -1070,12 +1011,12 @@ int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
                        goto end;
                }
 
-               switch (bt_object_get_type(attr_value)) {
-               case BT_OBJECT_TYPE_INTEGER:
+               switch (bt_value_get_type(attr_value)) {
+               case BT_VALUE_TYPE_INTEGER:
                {
                        int64_t value;
 
-                       ret = bt_object_integer_get(attr_value, &value);
+                       ret = bt_value_integer_get(attr_value, &value);
 
                        if (ret) {
                                goto end;
@@ -1086,11 +1027,11 @@ int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
                        break;
                }
 
-               case BT_OBJECT_TYPE_STRING:
+               case BT_VALUE_TYPE_STRING:
                {
                        const char *value;
 
-                       ret = bt_object_string_get(attr_value, &value);
+                       ret = bt_value_string_get(attr_value, &value);
 
                        if (ret) {
                                goto end;
@@ -1107,7 +1048,7 @@ int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
                        break;
                }
 
-               BT_OBJECT_PUT(attr_value);
+               BT_PUT(attr_value);
        }
 
        if (event_class->context) {
@@ -1132,7 +1073,7 @@ int bt_ctf_event_class_serialize(struct bt_ctf_event_class *event_class,
        g_string_append(context->string, "};\n\n");
 end:
        context->current_indentation_level = 0;
-       BT_OBJECT_PUT(attr_value);
+       BT_PUT(attr_value);
        return ret;
 }
 
@@ -1230,12 +1171,12 @@ int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
                assert(timestamp_field_type);
                mapped_clock = bt_ctf_field_type_integer_get_mapped_clock(
                        timestamp_field_type);
-               bt_ctf_field_type_put(timestamp_field_type);
+               bt_put(timestamp_field_type);
                if (mapped_clock) {
                        uint64_t timestamp = bt_ctf_clock_get_time(
                                mapped_clock);
 
-                       bt_ctf_clock_put(mapped_clock);
+                       bt_put(mapped_clock);
                        if (timestamp == (uint64_t) -1ULL) {
                                goto end;
                        }
@@ -1248,12 +1189,8 @@ int bt_ctf_event_populate_event_header(struct bt_ctf_event *event)
                }
        }
 end:
-       if (id_field) {
-               bt_ctf_field_put(id_field);
-       }
-       if (timestamp_field) {
-               bt_ctf_field_put(timestamp_field);
-       }
+       bt_put(id_field);
+       bt_put(timestamp_field);
        return ret;
 }
 
@@ -1292,9 +1229,9 @@ struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event)
                goto error;
        }
 
-       bt_ctf_ref_init(&copy->ref_count);
+       bt_object_init(copy, bt_ctf_event_destroy);
        copy->event_class = event->event_class;
-       bt_ctf_event_class_get(copy->event_class);
+       bt_get(copy->event_class);
        copy->stream = event->stream;
 
        if (event->event_header) {
@@ -1325,24 +1262,6 @@ struct bt_ctf_event *bt_ctf_event_copy(struct bt_ctf_event *event)
        return copy;
 
 error:
-       if (copy) {
-               if (copy->event_class) {
-                       bt_ctf_event_class_put(copy->event_class);
-               }
-
-               if (copy->event_header) {
-                       bt_ctf_field_put(copy->event_header);
-               }
-
-               if (copy->context_payload) {
-                       bt_ctf_field_put(copy->context_payload);
-               }
-
-               if (copy->fields_payload) {
-                       bt_ctf_field_put(copy->fields_payload);
-               }
-       }
-
-       g_free(copy);
-       return NULL;
+       BT_PUT(copy);
+       return copy;
 }
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