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Diffstat (limited to 'libnm/nm-device-modem.c')
-rw-r--r-- | libnm/nm-device-modem.c | 254 |
1 files changed, 254 insertions, 0 deletions
diff --git a/libnm/nm-device-modem.c b/libnm/nm-device-modem.c new file mode 100644 index 000000000..dcbb447a2 --- /dev/null +++ b/libnm/nm-device-modem.c @@ -0,0 +1,254 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the + * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301 USA. + * + * Copyright 2011 - 2012 Red Hat, Inc. + * Copyright 2008 Novell, Inc. + */ + +#include "config.h" + +#include <string.h> +#include <glib/gi18n-lib.h> + +#include "nm-glib-compat.h" + +#include <nm-setting-connection.h> +#include <nm-setting-gsm.h> +#include <nm-setting-cdma.h> + +#include "nm-device-modem.h" +#include "nm-device-private.h" +#include "nm-object-private.h" +#include "nm-enum-types.h" + +G_DEFINE_TYPE (NMDeviceModem, nm_device_modem, NM_TYPE_DEVICE) + +#define NM_DEVICE_MODEM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_MODEM, NMDeviceModemPrivate)) + +typedef struct { + NMDeviceModemCapabilities caps; + NMDeviceModemCapabilities current_caps; +} NMDeviceModemPrivate; + +enum { + PROP_0, + PROP_MODEM_CAPS, + PROP_CURRENT_CAPS, + LAST_PROP +}; + +/** + * nm_device_modem_get_modem_capabilities: + * @self: a #NMDeviceModem + * + * Returns a bitfield of the generic access technology families the modem + * supports. Not all capabilities are available concurrently however; some + * may require a firmware reload or reinitialization. + * + * Returns: the generic access technology families the modem supports + **/ +NMDeviceModemCapabilities +nm_device_modem_get_modem_capabilities (NMDeviceModem *self) +{ + g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE); + + return NM_DEVICE_MODEM_GET_PRIVATE (self)->caps; +} + +/** + * nm_device_modem_get_current_capabilities: + * @self: a #NMDeviceModem + * + * Returns a bitfield of the generic access technology families the modem + * supports without a firmware reload or reinitialization. This value + * represents the network types the modem can immediately connect to. + * + * Returns: the generic access technology families the modem supports without + * a firmware reload or other reinitialization + **/ +NMDeviceModemCapabilities +nm_device_modem_get_current_capabilities (NMDeviceModem *self) +{ + g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE); + + return NM_DEVICE_MODEM_GET_PRIVATE (self)->current_caps; +} + +static const char * +get_type_description (NMDevice *device) +{ + NMDeviceModemCapabilities caps; + + caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device)); + if (caps & NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS) + return "gsm"; + else if (caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO) + return "cdma"; + else + return NULL; +} + +#define MODEM_CAPS_3GPP(caps) (caps & (NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS | \ + NM_DEVICE_MODEM_CAPABILITY_LTE)) + +#define MODEM_CAPS_3GPP2(caps) (caps & (NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO)) + +static gboolean +connection_compatible (NMDevice *device, NMConnection *connection, GError **error) +{ + NMSettingGsm *s_gsm; + NMSettingCdma *s_cdma; + NMDeviceModemCapabilities current_caps; + + if (!NM_DEVICE_CLASS (nm_device_modem_parent_class)->connection_compatible (device, connection, error)) + return FALSE; + + if ( !nm_connection_is_type (connection, NM_SETTING_GSM_SETTING_NAME) + && !nm_connection_is_type (connection, NM_SETTING_CDMA_SETTING_NAME)) { + g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("The connection was not a modem connection.")); + return FALSE; + } + + s_gsm = nm_connection_get_setting_gsm (connection); + s_cdma = nm_connection_get_setting_cdma (connection); + if (!s_cdma && !s_gsm) { + g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INVALID_CONNECTION, + _("The connection was not a valid modem connection.")); + return FALSE; + } + + current_caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device)); + if (!(s_gsm && MODEM_CAPS_3GPP (current_caps)) && !(s_cdma && MODEM_CAPS_3GPP2 (current_caps))) { + g_set_error_literal (error, NM_DEVICE_ERROR, NM_DEVICE_ERROR_INCOMPATIBLE_CONNECTION, + _("The device is lacking capabilities required by the connection.")); + return FALSE; + } + + return TRUE; +} + +static GType +get_setting_type (NMDevice *device) +{ + NMDeviceModemCapabilities caps; + + caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device)); + if (caps & (NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS | NM_DEVICE_MODEM_CAPABILITY_LTE)) + return NM_TYPE_SETTING_GSM; + else if (caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO) + return NM_TYPE_SETTING_CDMA; + else + return G_TYPE_INVALID; +} + +/*******************************************************************/ + +static void +nm_device_modem_init (NMDeviceModem *device) +{ + _nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_MODEM); +} + +static void +init_dbus (NMObject *object) +{ + NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (object); + const NMPropertiesInfo property_info[] = { + { NM_DEVICE_MODEM_MODEM_CAPABILITIES, &priv->caps }, + { NM_DEVICE_MODEM_CURRENT_CAPABILITIES, &priv->current_caps }, + { NULL }, + }; + + NM_OBJECT_CLASS (nm_device_modem_parent_class)->init_dbus (object); + + _nm_object_register_properties (object, + NM_DBUS_INTERFACE_DEVICE_MODEM, + property_info); +} + +static void +get_property (GObject *object, + guint prop_id, + GValue *value, + GParamSpec *pspec) +{ + NMDeviceModem *self = NM_DEVICE_MODEM (object); + + switch (prop_id) { + case PROP_MODEM_CAPS: + g_value_set_flags (value, nm_device_modem_get_modem_capabilities (self)); + break; + case PROP_CURRENT_CAPS: + g_value_set_flags (value, nm_device_modem_get_current_capabilities (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +nm_device_modem_class_init (NMDeviceModemClass *modem_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (modem_class); + NMObjectClass *nm_object_class = NM_OBJECT_CLASS (modem_class); + NMDeviceClass *device_class = NM_DEVICE_CLASS (modem_class); + + g_type_class_add_private (modem_class, sizeof (NMDeviceModemPrivate)); + + _nm_object_class_add_interface (nm_object_class, NM_DBUS_INTERFACE_DEVICE_MODEM); + + /* virtual methods */ + object_class->get_property = get_property; + + nm_object_class->init_dbus = init_dbus; + + device_class->get_type_description = get_type_description; + device_class->connection_compatible = connection_compatible; + device_class->get_setting_type = get_setting_type; + + /** + * NMDeviceModem:modem-capabilities: + * + * The generic family of access technologies the modem supports. Not all + * capabilities are available at the same time however; some modems require + * a firmware reload or other reinitialization to switch between eg + * CDMA/EVDO and GSM/UMTS. + **/ + g_object_class_install_property + (object_class, PROP_MODEM_CAPS, + g_param_spec_flags (NM_DEVICE_MODEM_MODEM_CAPABILITIES, "", "", + NM_TYPE_DEVICE_MODEM_CAPABILITIES, + NM_DEVICE_MODEM_CAPABILITY_NONE, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); + + /** + * NMDeviceModem:current-capabilities: + * + * The generic family of access technologies the modem currently supports + * without a firmware reload or reinitialization. + **/ + g_object_class_install_property + (object_class, PROP_CURRENT_CAPS, + g_param_spec_flags (NM_DEVICE_MODEM_CURRENT_CAPABILITIES, "", "", + NM_TYPE_DEVICE_MODEM_CAPABILITIES, + NM_DEVICE_MODEM_CAPABILITY_NONE, + G_PARAM_READABLE | + G_PARAM_STATIC_STRINGS)); +} |