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device: allow creating 'virtual' devices

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This commit is contained in:
Aleksander Morgado
2013-11-22 23:32:28 +01:00
parent b7fa48dd22
commit 9641d27518
2 changed files with 136 additions and 21 deletions
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146
src/mm-device.c
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@@ -31,10 +31,12 @@ G_DEFINE_TYPE (MMDevice, mm_device, G_TYPE_OBJECT);
enum {
PROP_0,
PROP_PATH,
PROP_UDEV_DEVICE,
PROP_PLUGIN,
PROP_MODEM,
PROP_HOTPLUGGED,
PROP_VIRTUAL,
PROP_LAST
};
@@ -48,9 +50,14 @@ static GParamSpec *properties[PROP_LAST];
static guint signals[SIGNAL_LAST];
struct _MMDevicePrivate {
/* Whether the device is real or virtual */
gboolean virtual;
/* Device path */
gchar *path;
/* Parent UDev device */
GUdevDevice *udev_device;
gchar *udev_device_path;
guint16 vendor;
guint16 product;
@@ -72,6 +79,9 @@ struct _MMDevicePrivate {
/* Whether the device was hot-plugged. */
gboolean hotplugged;
/* Virtual ports */
gchar **virtual_ports;
};
/*****************************************************************************/
@@ -296,7 +306,7 @@ mm_device_grab_port (MMDevice *self,
&self->priv->vendor,
&self->priv->product)) {
mm_dbg ("(%s) could not get vendor/product ID",
self->priv->udev_device_path);
self->priv->path);
}
}
@@ -413,7 +423,9 @@ export_modem (MMDevice *self)
G_DBUS_OBJECT_SKELETON (self->priv->modem));
mm_dbg ("Exported modem '%s' at path '%s'",
g_udev_device_get_sysfs_path (self->priv->udev_device),
(self->priv->virtual ?
self->priv->path :
g_udev_device_get_sysfs_path (self->priv->udev_device)),
path);
/* Once connected, dump additional debug info about the modem */
@@ -422,7 +434,9 @@ export_modem (MMDevice *self)
mm_base_modem_get_plugin (self->priv->modem),
(mm_base_modem_get_vendor_id (self->priv->modem) & 0xFFFF),
(mm_base_modem_get_product_id (self->priv->modem) & 0xFFFF),
g_udev_device_get_subsystem (self->priv->udev_device));
(self->priv->virtual ?
"virtual" :
g_udev_device_get_subsystem (self->priv->udev_device)));
g_free (path);
}
@@ -474,17 +488,31 @@ mm_device_create_modem (MMDevice *self,
g_assert (self->priv->modem == NULL);
g_assert (self->priv->object_manager == NULL);
if (!self->priv->port_probes) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Not creating a device without ports");
return FALSE;
}
if (!self->priv->virtual) {
if (!self->priv->port_probes) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Not creating a device without ports");
return FALSE;
}
mm_info ("Creating modem with plugin '%s' and '%u' ports",
mm_plugin_get_name (self->priv->plugin),
g_list_length (self->priv->port_probes));
mm_info ("Creating modem with plugin '%s' and '%u' ports",
mm_plugin_get_name (self->priv->plugin),
g_list_length (self->priv->port_probes));
} else {
if (!self->priv->virtual_ports) {
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Not creating a virtual device without ports");
return FALSE;
}
mm_info ("Creating virtual modem with plugin '%s' and '%u' ports",
mm_plugin_get_name (self->priv->plugin),
g_strv_length (self->priv->virtual_ports));
}
self->priv->modem = mm_plugin_create_modem (self->priv->plugin, self, error);
if (self->priv->modem) {
@@ -506,7 +534,7 @@ mm_device_create_modem (MMDevice *self,
const gchar *
mm_device_get_path (MMDevice *self)
{
return self->priv->udev_device_path;
return self->priv->path;
}
const gchar **
@@ -530,12 +558,14 @@ mm_device_get_product (MMDevice *self)
GUdevDevice *
mm_device_peek_udev_device (MMDevice *self)
{
g_return_val_if_fail (self->priv->udev_device != NULL, NULL);
return self->priv->udev_device;
}
GUdevDevice *
mm_device_get_udev_device (MMDevice *self)
{
g_return_val_if_fail (self->priv->udev_device != NULL, NULL);
return G_UDEV_DEVICE (g_object_ref (self->priv->udev_device));
}
@@ -624,14 +654,62 @@ mm_device_get_hotplugged (MMDevice *self)
/*****************************************************************************/
void
mm_device_virtual_grab_ports (MMDevice *self,
const gchar **ports)
{
g_return_if_fail (ports != NULL);
g_return_if_fail (self->priv->virtual);
/* Setup drivers array */
self->priv->drivers = g_malloc (2 * sizeof (gchar *));
self->priv->drivers[0] = g_strdup ("virtual");
self->priv->drivers[1] = NULL;
/* Keep virtual port names */
self->priv->virtual_ports = g_strdupv ((gchar **)ports);
}
const gchar **
mm_device_virtual_peek_ports (MMDevice *self)
{
g_return_val_if_fail (self->priv->virtual, NULL);
return (const gchar **)self->priv->virtual_ports;
}
gboolean
mm_device_is_virtual (MMDevice *self)
{
return self->priv->virtual;
}
/*****************************************************************************/
MMDevice *
mm_device_new (GUdevDevice *udev_device,
gboolean hotplugged)
{
return MM_DEVICE (g_object_new (MM_TYPE_DEVICE,
MM_DEVICE_UDEV_DEVICE, udev_device,
MM_DEVICE_HOTPLUGGED, hotplugged,
NULL));
g_return_val_if_fail (udev_device != NULL, NULL);
return MM_DEVICE (g_object_new (MM_TYPE_DEVICE,
MM_DEVICE_UDEV_DEVICE, udev_device,
MM_DEVICE_PATH, g_udev_device_get_sysfs_path (udev_device),
MM_DEVICE_HOTPLUGGED, hotplugged,
NULL));
}
MMDevice *
mm_device_virtual_new (const gchar *path,
gboolean hotplugged)
{
g_return_val_if_fail (path != NULL, NULL);
return MM_DEVICE (g_object_new (MM_TYPE_DEVICE,
MM_DEVICE_PATH, path,
MM_DEVICE_HOTPLUGGED, hotplugged,
MM_DEVICE_VIRTUAL, TRUE,
NULL));
}
static void
@@ -652,10 +730,13 @@ set_property (GObject *object,
MMDevice *self = MM_DEVICE (object);
switch (prop_id) {
case PROP_PATH:
/* construct only */
self->priv->path = g_value_dup_string (value);
break;
case PROP_UDEV_DEVICE:
/* construct only */
self->priv->udev_device = g_value_dup_object (value);
self->priv->udev_device_path = g_strdup (g_udev_device_get_sysfs_path (self->priv->udev_device));
break;
case PROP_PLUGIN:
g_clear_object (&(self->priv->plugin));
@@ -668,6 +749,9 @@ set_property (GObject *object,
case PROP_HOTPLUGGED:
self->priv->hotplugged = g_value_get_boolean (value);
break;
case PROP_VIRTUAL:
self->priv->virtual = g_value_get_boolean (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -695,6 +779,9 @@ get_property (GObject *object,
case PROP_HOTPLUGGED:
g_value_set_boolean (value, self->priv->hotplugged);
break;
case PROP_VIRTUAL:
g_value_set_boolean (value, self->priv->virtual);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
@@ -720,8 +807,9 @@ finalize (GObject *object)
{
MMDevice *self = MM_DEVICE (object);
g_free (self->priv->udev_device_path);
g_free (self->priv->path);
g_strfreev (self->priv->drivers);
g_strfreev (self->priv->virtual_ports);
G_OBJECT_CLASS (mm_device_parent_class)->finalize (object);
}
@@ -739,6 +827,14 @@ mm_device_class_init (MMDeviceClass *klass)
object_class->finalize = finalize;
object_class->dispose = dispose;
properties[PROP_PATH] =
g_param_spec_string (MM_DEVICE_PATH,
"Path",
"Device path",
NULL,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_PATH, properties[PROP_PATH]);
properties[PROP_UDEV_DEVICE] =
g_param_spec_object (MM_DEVICE_UDEV_DEVICE,
"UDev Device",
@@ -771,6 +867,14 @@ mm_device_class_init (MMDeviceClass *klass)
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_HOTPLUGGED, properties[PROP_HOTPLUGGED]);
properties[PROP_VIRTUAL] =
g_param_spec_boolean (MM_DEVICE_VIRTUAL,
"Virtual",
"Whether the device is virtual or real",
FALSE,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY);
g_object_class_install_property (object_class, PROP_VIRTUAL, properties[PROP_VIRTUAL]);
signals[SIGNAL_PORT_GRABBED] =
g_signal_new (MM_DEVICE_PORT_GRABBED,
G_OBJECT_CLASS_TYPE (object_class),