NetworkManager/libnm-glib/nm-types.c

#include <glib.h>
#include <dbus/dbus-glib.h>
#include <string.h>
#include "nm-types.h"
#include "nm-types-private.h"
#include "nm-object-private.h"
#include "nm-object-cache.h"
#include "nm-dbus-glib-types.h"

static gpointer
nm_ssid_copy (GByteArray *src)
{
	GByteArray *dest;

	dest = g_byte_array_sized_new (src->len);
	g_byte_array_append (dest, src->data, src->len);
	return dest;
}

static void
nm_ssid_free (GByteArray *ssid)
{
	g_byte_array_free (ssid, TRUE);
}

GType
nm_ssid_get_type (void)
{
	static GType our_type = 0;

	if (our_type == 0)
		our_type = g_boxed_type_register_static (g_intern_static_string ("nm-ssid"),
		                                         (GBoxedCopyFunc) nm_ssid_copy,
		                                         (GBoxedFreeFunc) nm_ssid_free);
	return our_type;
}

gboolean
_nm_ssid_demarshal (GValue *value, GByteArray **dest)
{
	GByteArray *array;

	if (!G_VALUE_HOLDS (value, DBUS_TYPE_G_UCHAR_ARRAY))
		return FALSE;

	if (*dest) {
		g_boxed_free (NM_TYPE_SSID, *dest);
		*dest = NULL;
	}

	array = (GByteArray *) g_value_get_boxed (value);
	if (array && (array->len > 0)) {
		*dest = g_byte_array_sized_new (array->len);
		(*dest)->len = array->len;
		memcpy ((*dest)->data, array->data, array->len);
	}

	return TRUE;
}

/*****************************/

static gpointer
nm_uint_array_copy (GArray *src)
{
	GArray *dest;

	dest = g_array_sized_new (FALSE, TRUE, sizeof (guint32), src->len);
	g_array_append_vals (dest, src->data, src->len);
	return dest;
}

static void
nm_uint_array_free (GArray *array)
{
	g_array_free (array, TRUE);
}

GType
nm_uint_array_get_type (void)
{
	static GType our_type = 0;

	if (our_type == 0)
		our_type = g_boxed_type_register_static (g_intern_static_string ("nm-uint-array"),
		                                         (GBoxedCopyFunc) nm_uint_array_copy,
		                                         (GBoxedFreeFunc) nm_uint_array_free);
	return our_type;
}

gboolean
_nm_uint_array_demarshal (GValue *value, GArray **dest)
{
	GArray *array;

	if (!G_VALUE_HOLDS (value, DBUS_TYPE_G_UINT_ARRAY))
		return FALSE;

	if (*dest) {
		g_boxed_free (NM_TYPE_UINT_ARRAY, *dest);
		*dest = NULL;
	}

	array = (GArray *) g_value_get_boxed (value);
	if (array && (array->len > 0)) {
		*dest = g_array_sized_new (FALSE, TRUE, sizeof (guint32), array->len);
		g_array_append_vals (*dest, array->data, array->len);
	}

	return TRUE;
}

/*****************************/

static gpointer
nm_string_array_copy (GPtrArray *src)
{
	GPtrArray *dest;
	int i;

	dest = g_ptr_array_sized_new (src->len);
	for (i = 0; i < src->len; i++)
		g_ptr_array_add (dest, g_strdup (g_ptr_array_index (src, i)));
	return dest;
}

static void
nm_string_array_free (GPtrArray *array)
{
	int i;

	for (i = 0; i < array->len; i++)
		g_free (g_ptr_array_index (array, i));
	g_ptr_array_free (array, TRUE);
}

GType
nm_string_array_get_type (void)
{
	static GType our_type = 0;

	if (our_type == 0)
		our_type = g_boxed_type_register_static (g_intern_static_string ("nm-string-array"),
		                                         (GBoxedCopyFunc) nm_string_array_copy,
		                                         (GBoxedFreeFunc) nm_string_array_free);
	return our_type;
}

gboolean
_nm_string_array_demarshal (GValue *value, GPtrArray **dest)
{
	GPtrArray *array;

	if (!G_VALUE_HOLDS (value, DBUS_TYPE_G_ARRAY_OF_STRING))
		return FALSE;

	if (*dest) {
		g_boxed_free (NM_TYPE_STRING_ARRAY, *dest);
		*dest = NULL;
	}

	array = (GPtrArray *) g_value_get_boxed (value);
	if (array && array->len) {
		int i;

		*dest = g_ptr_array_sized_new (array->len);
		for (i = 0; i < array->len; i++)
			g_ptr_array_add (*dest, g_strdup (g_ptr_array_index (array, i)));
	}

	return TRUE;
}

/*****************************/

static gpointer
nm_object_array_copy (GPtrArray *src)
{
	GPtrArray *dest;
	int i;

	dest = g_ptr_array_sized_new (src->len);
	for (i = 0; i < src->len; i++)
		g_ptr_array_add (dest, g_object_ref (g_ptr_array_index (src, i)));
	return dest;
}

static void
nm_object_array_free (GPtrArray *array)
{
	int i;

	for (i = 0; i < array->len; i++)
		g_object_unref (g_ptr_array_index (array, i));
	g_ptr_array_free (array, TRUE);
}

GType
nm_object_array_get_type (void)
{
	static GType our_type = 0;

	if (our_type == 0)
		our_type = g_boxed_type_register_static (g_intern_static_string ("nm-object-array"),
		                                         (GBoxedCopyFunc) nm_object_array_copy,
		                                         (GBoxedFreeFunc) nm_object_array_free);
	return our_type;
}

gboolean
_nm_object_array_demarshal (GValue *value,
                           GPtrArray **dest,
                           DBusGConnection *connection,
                           NMObjectCreatorFunc func)
{
	GPtrArray *temp = NULL;
	GPtrArray *array;

	if (!G_VALUE_HOLDS (value, DBUS_TYPE_G_ARRAY_OF_OBJECT_PATH))
		return FALSE;

	array = (GPtrArray *) g_value_get_boxed (value);
	if (array && array->len) {
		int i;

		temp = g_ptr_array_sized_new (array->len);
		for (i = 0; i < array->len; i++) {
			const char *path;
			GObject *object;

			path = g_ptr_array_index (array, i);
			object = G_OBJECT (_nm_object_cache_get (path));
			if (object) {
				g_ptr_array_add (temp, g_object_ref (object));
			} else {
				object = (*func) (connection, path);
				if (object)
					g_ptr_array_add (temp, object);
				else
					g_warning ("%s: couldn't create object for %s", __func__, path);
			}
		}
	} else
		temp = g_ptr_array_new ();

	/* Deallocate after to ensure that an object that might already
	 * be in the array doesn't get destroyed due to refcounting.
	 */
	if (*dest)
		g_boxed_free (NM_TYPE_OBJECT_ARRAY, *dest);
	*dest = temp;

	return TRUE;
}