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Diffstat (limited to 'libnm-glib/nm-device-modem.c')
| -rw-r--r-- | libnm-glib/nm-device-modem.c | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/libnm-glib/nm-device-modem.c b/libnm-glib/nm-device-modem.c new file mode 100644 index 000000000..e71e93051 --- /dev/null +++ b/libnm-glib/nm-device-modem.c @@ -0,0 +1,278 @@ +/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ +/* + * libnm_glib -- Access network status & information from glib applications + * + * 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 (C) 2011 Red Hat, Inc. + * Copyright (C) 2008 Novell, Inc. + */ + +#include <config.h> +#include <string.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-marshal.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 { + DBusGProxy *proxy; + + NMDeviceModemCapabilities caps; + NMDeviceModemCapabilities current_caps; + + gboolean disposed; +} NMDeviceModemPrivate; + +enum { + PROP_0, + PROP_MODEM_CAPS, + PROP_CURRENT_CAPS, + LAST_PROP +}; + +#define DBUS_PROP_MODEM_CAPS "ModemCapabilities" +#define DBUS_PROP_CURRENT_CAPS "CurrentCapabilities" + +/** + * 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) +{ + NMDeviceModemPrivate *priv; + + g_return_val_if_fail (self != NULL, NM_DEVICE_MODEM_CAPABILITY_NONE); + g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE); + + priv = NM_DEVICE_MODEM_GET_PRIVATE (self); + if (!priv->caps) { + priv->caps = _nm_object_get_uint_property (NM_OBJECT (self), + NM_DBUS_INTERFACE_DEVICE_MODEM, + DBUS_PROP_MODEM_CAPS, + NULL); + } + + return priv->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) +{ + NMDeviceModemPrivate *priv; + + g_return_val_if_fail (self != NULL, NM_DEVICE_MODEM_CAPABILITY_NONE); + g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE); + + priv = NM_DEVICE_MODEM_GET_PRIVATE (self); + if (!priv->current_caps) { + priv->current_caps = _nm_object_get_uint_property (NM_OBJECT (self), + NM_DBUS_INTERFACE_DEVICE_MODEM, + DBUS_PROP_CURRENT_CAPS, + NULL); + } + + return priv->current_caps; +} + +static gboolean +connection_valid (NMDevice *device, NMConnection *connection) +{ + NMSettingConnection *s_con; + NMSettingGsm *s_gsm; + NMSettingCdma *s_cdma; + const char *ctype; + NMDeviceModemCapabilities current_caps; + + s_con = nm_connection_get_setting_connection (connection); + g_assert (s_con); + + ctype = nm_setting_connection_get_connection_type (s_con); + if ( strcmp (ctype, NM_SETTING_GSM_SETTING_NAME) != 0 + && strcmp (ctype, NM_SETTING_CDMA_SETTING_NAME) != 0) + return FALSE; + + s_gsm = nm_connection_get_setting_gsm (connection); + s_cdma = nm_connection_get_setting_cdma (connection); + if (!s_cdma && !s_gsm) + return FALSE; + + current_caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device)); + if ( !(s_gsm && (current_caps & NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS)) + && !(s_cdma && (current_caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO))) { + return FALSE; + } + + return TRUE; +} + +/*******************************************************************/ + +static void +register_for_property_changed (NMDeviceModem *device) +{ + NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (device); + const NMPropertiesChangedInfo property_changed_info[] = { + { NM_DEVICE_MODEM_MODEM_CAPABILITIES, _nm_object_demarshal_generic, &priv->caps }, + { NM_DEVICE_MODEM_CURRENT_CAPABILITIES, _nm_object_demarshal_generic, &priv->current_caps }, + { NULL }, + }; + + _nm_object_handle_properties_changed (NM_OBJECT (device), + priv->proxy, + property_changed_info); +} + +static GObject* +constructor (GType type, + guint n_construct_params, + GObjectConstructParam *construct_params) +{ + GObject *object; + NMDeviceModemPrivate *priv; + + object = G_OBJECT_CLASS (nm_device_modem_parent_class)->constructor (type, + n_construct_params, + construct_params); + if (object) { + priv = NM_DEVICE_MODEM_GET_PRIVATE (object); + + priv->proxy = dbus_g_proxy_new_for_name (nm_object_get_connection (NM_OBJECT (object)), + NM_DBUS_SERVICE, + nm_object_get_path (NM_OBJECT (object)), + NM_DBUS_INTERFACE_DEVICE_MODEM); + + register_for_property_changed (NM_DEVICE_MODEM (object)); + } + + return object; +} + +static void +nm_device_modem_init (NMDeviceModem *device) +{ +} + +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_uint (value, nm_device_modem_get_modem_capabilities (self)); + break; + case PROP_CURRENT_CAPS: + g_value_set_uint (value, nm_device_modem_get_current_capabilities (self)); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); + break; + } +} + +static void +dispose (GObject *object) +{ + NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (object); + + if (priv->disposed) { + G_OBJECT_CLASS (nm_device_modem_parent_class)->dispose (object); + return; + } + + priv->disposed = TRUE; + + g_object_unref (priv->proxy); + + G_OBJECT_CLASS (nm_device_modem_parent_class)->dispose (object); +} + +static void +nm_device_modem_class_init (NMDeviceModemClass *modem_class) +{ + GObjectClass *object_class = G_OBJECT_CLASS (modem_class); + NMDeviceClass *device_class = NM_DEVICE_CLASS (modem_class); + + g_type_class_add_private (modem_class, sizeof (NMDeviceModemPrivate)); + + /* virtual methods */ + object_class->constructor = constructor; + object_class->get_property = get_property; + object_class->dispose = dispose; + device_class->connection_valid = connection_valid; + + /** + * 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_uint (NM_DEVICE_MODEM_MODEM_CAPABILITIES, + "Modem capabilities", + "Modem capabilities", + 0, G_MAXUINT32, 0, + G_PARAM_READABLE)); + + /** + * 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_uint (NM_DEVICE_MODEM_CURRENT_CAPABILITIES, + "Current capabilities", + "Current capabilities", + 0, G_MAXUINT32, 0, + G_PARAM_READABLE)); +} + |