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#include "config.h"
#include <inttypes.h>
#include <gnunet/platform.h>
#include <gnunet/gnunet_common.h>
#include <gnunet/gnunet_container_lib.h>
#include "gnunet_dbus_lib.h"
#define LOG(kind, ...) GNUNET_log_from (kind, "dbus-object", __VA_ARGS__)
struct GNUNET_DBUS_Object
{
struct GNUNET_DBUS_InterfaceIterator *interfaces_front;
struct GNUNET_DBUS_InterfaceIterator *interfaces_back;
struct GNUNET_DBUS_ObjectIterator *subobjects_front;
struct GNUNET_DBUS_ObjectIterator *subobjects_back;
char *name;
void *data;
unsigned ref_count;
};
struct GNUNET_DBUS_Object *
GNUNET_DBUS_object_create (
const char *name,
void *data)
{
struct GNUNET_DBUS_Object *object = GNUNET_new (struct GNUNET_DBUS_Object);
object->name = GNUNET_strdup (name);
object->data = data;
object->interfaces_front = NULL;
object->interfaces_back = NULL;
object->subobjects_front = NULL;
object->subobjects_back = NULL;
object->ref_count = 1;
return object;
};
void
GNUNET_DBUS_object_ref (
struct GNUNET_DBUS_Object *object)
{
object->ref_count++;
};
void
GNUNET_DBUS_object_unref (
struct GNUNET_DBUS_Object *object)
{
if (object->ref_count == 0)
{
LOG (GNUNET_ERROR_TYPE_ERROR, "Tried to unreference object with ref count 0\n");
GNUNET_abort_ ();
};
if (0 == --(object->ref_count))
{
struct GNUNET_DBUS_InterfaceIterator *int_it = object->interfaces_front;
while (int_it)
{
struct GNUNET_DBUS_InterfaceIterator *next = int_it->next;
GNUNET_DBUS_interface_unref (int_it->interface);
GNUNET_free (int_it);
int_it = next;
};
struct GNUNET_DBUS_ObjectIterator *obj_it = object->subobjects_front;
while (obj_it)
{
struct GNUNET_DBUS_ObjectIterator *next = obj_it->next;
GNUNET_DBUS_object_unref (obj_it->object);
GNUNET_free (obj_it);
obj_it = next;
};
GNUNET_free (object->name);
GNUNET_free (object);
}
};
const char *
GNUNET_DBUS_object_get_name (
const struct GNUNET_DBUS_Object *object)
{
return object->name;
};
void
GNUNET_DBUS_object_add_interface (
struct GNUNET_DBUS_Object *object,
struct GNUNET_DBUS_Interface *interface)
{
struct GNUNET_DBUS_InterfaceIterator *int_it = GNUNET_new (struct GNUNET_DBUS_InterfaceIterator);
int_it->interface = interface;
GNUNET_DBUS_interface_ref (interface);
GNUNET_CONTAINER_DLL_insert (object->interfaces_front,
object->interfaces_back,
int_it);
};
const struct GNUNET_DBUS_InterfaceIterator *
GNUNET_DBUS_object_iterate_interfaces (
struct GNUNET_DBUS_Object *object)
{
return object->interfaces_front;
};
void *
GNUNET_DBUS_object_get_data (
struct GNUNET_DBUS_Object *object)
{
return object->data;
};
struct GNUNET_DBUS_Object *
GNUNET_DBUS_object_create_uniquely_named_subobject (
struct GNUNET_DBUS_Object *object,
void *data)
{
while(true)
{
char name[9];
uint32_t id = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, 0xffffffff);
GNUNET_snprintf (name, sizeof(name), "%08" PRIx32, id);
const struct GNUNET_DBUS_ObjectIterator *obj_it = GNUNET_DBUS_object_iterate_subobjects (object);
while (true)
{
if (! obj_it)
{
struct GNUNET_DBUS_Object *subobject = GNUNET_DBUS_object_create (name, data);
GNUNET_DBUS_object_add_subobject (object, subobject);
return subobject;
}
const struct GNUNET_DBUS_Object *test_object = obj_it->object;
if (0 == strcmp (name, GNUNET_DBUS_object_get_name (test_object)))
break;
obj_it = obj_it->next;
}
}
}
void
GNUNET_DBUS_object_add_subobject (
struct GNUNET_DBUS_Object *object,
struct GNUNET_DBUS_Object *subobject)
{
struct GNUNET_DBUS_ObjectIterator *obj_it = GNUNET_new (struct GNUNET_DBUS_ObjectIterator);
obj_it->object = subobject;
GNUNET_DBUS_object_ref (subobject);
GNUNET_CONTAINER_DLL_insert (object->subobjects_front,
object->subobjects_back,
obj_it);
};
void
GNUNET_DBUS_object_remove_subobject (
struct GNUNET_DBUS_Object *object,
struct GNUNET_DBUS_ObjectIterator *subobject_it)
{
GNUNET_DBUS_object_unref (subobject_it->object);
GNUNET_CONTAINER_DLL_remove (object->subobjects_front,
object->subobjects_back,
subobject_it);
GNUNET_free (subobject_it);
};
struct GNUNET_DBUS_ObjectIterator *
GNUNET_DBUS_object_iterate_subobjects (
const struct GNUNET_DBUS_Object *object)
{
return object->subobjects_front;
}
const struct GNUNET_DBUS_ObjectIterator *
GNUNET_DBUS_object_find (
const struct GNUNET_DBUS_ObjectIterator *object_it,
const char *name)
{
while (object_it && strcmp (name, object_it->object->name))
object_it = object_it->next;
return object_it;
}
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