mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager
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292 lines
8.8 KiB
C
292 lines
8.8 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
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/*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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* Copyright 2011 - 2012 Red Hat, Inc.
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* Copyright 2008 Novell, Inc.
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*/
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#include <config.h>
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#include <string.h>
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#include "nm-glib-compat.h"
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#include <nm-setting-connection.h>
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#include <nm-setting-gsm.h>
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#include <nm-setting-cdma.h>
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#include "nm-device-modem.h"
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#include "nm-device-private.h"
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#include "nm-object-private.h"
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G_DEFINE_TYPE (NMDeviceModem, nm_device_modem, NM_TYPE_DEVICE)
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#define NM_DEVICE_MODEM_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NM_TYPE_DEVICE_MODEM, NMDeviceModemPrivate))
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typedef struct {
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DBusGProxy *proxy;
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NMDeviceModemCapabilities caps;
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NMDeviceModemCapabilities current_caps;
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} NMDeviceModemPrivate;
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enum {
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PROP_0,
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PROP_MODEM_CAPS,
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PROP_CURRENT_CAPS,
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LAST_PROP
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};
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/**
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* nm_device_modem_error_quark:
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*
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* Registers an error quark for #NMDeviceModem if necessary.
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*
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* Returns: the error quark used for #NMDeviceModem errors.
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**/
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GQuark
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nm_device_modem_error_quark (void)
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{
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static GQuark quark = 0;
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if (G_UNLIKELY (quark == 0))
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quark = g_quark_from_static_string ("nm-device-modem-error-quark");
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return quark;
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}
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/**
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* nm_device_modem_get_modem_capabilities:
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* @self: a #NMDeviceModem
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*
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* Returns a bitfield of the generic access technology families the modem
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* supports. Not all capabilities are available concurrently however; some
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* may require a firmware reload or reinitialization.
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*
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* Returns: the generic access technology families the modem supports
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**/
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NMDeviceModemCapabilities
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nm_device_modem_get_modem_capabilities (NMDeviceModem *self)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE);
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_nm_object_ensure_inited (NM_OBJECT (self));
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return NM_DEVICE_MODEM_GET_PRIVATE (self)->caps;
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}
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/**
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* nm_device_modem_get_current_capabilities:
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* @self: a #NMDeviceModem
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*
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* Returns a bitfield of the generic access technology families the modem
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* supports without a firmware reload or reinitialization. This value
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* represents the network types the modem can immediately connect to.
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*
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* Returns: the generic access technology families the modem supports without
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* a firmware reload or other reinitialization
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**/
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NMDeviceModemCapabilities
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nm_device_modem_get_current_capabilities (NMDeviceModem *self)
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{
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g_return_val_if_fail (NM_IS_DEVICE_MODEM (self), NM_DEVICE_MODEM_CAPABILITY_NONE);
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_nm_object_ensure_inited (NM_OBJECT (self));
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return NM_DEVICE_MODEM_GET_PRIVATE (self)->current_caps;
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}
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static const char *
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get_type_description (NMDevice *device)
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{
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NMDeviceModemCapabilities caps;
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caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device));
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if (caps & NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS)
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return "gsm";
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else if (caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO)
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return "cdma";
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else
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return NULL;
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}
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#define MODEM_CAPS_3GPP(caps) (caps & (NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS | \
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NM_DEVICE_MODEM_CAPABILITY_LTE))
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#define MODEM_CAPS_3GPP2(caps) (caps & (NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO))
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static gboolean
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connection_compatible (NMDevice *device, NMConnection *connection, GError **error)
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{
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NMSettingConnection *s_con;
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NMSettingGsm *s_gsm;
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NMSettingCdma *s_cdma;
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const char *ctype;
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NMDeviceModemCapabilities current_caps;
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s_con = nm_connection_get_setting_connection (connection);
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g_assert (s_con);
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ctype = nm_setting_connection_get_connection_type (s_con);
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if ( strcmp (ctype, NM_SETTING_GSM_SETTING_NAME) != 0
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&& strcmp (ctype, NM_SETTING_CDMA_SETTING_NAME) != 0) {
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g_set_error (error, NM_DEVICE_MODEM_ERROR, NM_DEVICE_MODEM_ERROR_NOT_MODEM_CONNECTION,
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"The connection was not a modem connection.");
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return FALSE;
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}
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s_gsm = nm_connection_get_setting_gsm (connection);
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s_cdma = nm_connection_get_setting_cdma (connection);
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if (!s_cdma && !s_gsm) {
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g_set_error (error, NM_DEVICE_MODEM_ERROR, NM_DEVICE_MODEM_ERROR_INVALID_MODEM_CONNECTION,
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"The connection was not a valid modem connection.");
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return FALSE;
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}
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current_caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device));
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if (!(s_gsm && MODEM_CAPS_3GPP (current_caps)) && !(s_cdma && MODEM_CAPS_3GPP2 (current_caps))) {
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g_set_error (error, NM_DEVICE_MODEM_ERROR, NM_DEVICE_MODEM_ERROR_MISSING_DEVICE_CAPS,
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"The device missed capabilities required by the GSM/CDMA connection.");
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return FALSE;
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}
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return NM_DEVICE_CLASS (nm_device_modem_parent_class)->connection_compatible (device, connection, error);
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}
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static GType
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get_setting_type (NMDevice *device)
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{
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NMDeviceModemCapabilities caps;
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caps = nm_device_modem_get_current_capabilities (NM_DEVICE_MODEM (device));
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if (caps & (NM_DEVICE_MODEM_CAPABILITY_GSM_UMTS | NM_DEVICE_MODEM_CAPABILITY_LTE))
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return NM_TYPE_SETTING_GSM;
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else if (caps & NM_DEVICE_MODEM_CAPABILITY_CDMA_EVDO)
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return NM_TYPE_SETTING_CDMA;
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else
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return G_TYPE_INVALID;
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}
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/*******************************************************************/
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static void
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nm_device_modem_init (NMDeviceModem *device)
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{
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_nm_device_set_device_type (NM_DEVICE (device), NM_DEVICE_TYPE_MODEM);
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}
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static void
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register_properties (NMDeviceModem *device)
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{
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NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (device);
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const NMPropertiesInfo property_info[] = {
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{ NM_DEVICE_MODEM_MODEM_CAPABILITIES, &priv->caps },
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{ NM_DEVICE_MODEM_CURRENT_CAPABILITIES, &priv->current_caps },
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{ NULL },
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};
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_nm_object_register_properties (NM_OBJECT (device),
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priv->proxy,
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property_info);
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}
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static void
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constructed (GObject *object)
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{
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NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (object);
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G_OBJECT_CLASS (nm_device_modem_parent_class)->constructed (object);
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priv->proxy = _nm_object_new_proxy (NM_OBJECT (object), NULL, NM_DBUS_INTERFACE_DEVICE_MODEM);
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register_properties (NM_DEVICE_MODEM (object));
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}
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static void
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get_property (GObject *object,
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guint prop_id,
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GValue *value,
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GParamSpec *pspec)
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{
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NMDeviceModem *self = NM_DEVICE_MODEM (object);
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_nm_object_ensure_inited (NM_OBJECT (object));
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switch (prop_id) {
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case PROP_MODEM_CAPS:
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g_value_set_uint (value, nm_device_modem_get_modem_capabilities (self));
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break;
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case PROP_CURRENT_CAPS:
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g_value_set_uint (value, nm_device_modem_get_current_capabilities (self));
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
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break;
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}
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}
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static void
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dispose (GObject *object)
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{
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NMDeviceModemPrivate *priv = NM_DEVICE_MODEM_GET_PRIVATE (object);
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g_clear_object (&priv->proxy);
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G_OBJECT_CLASS (nm_device_modem_parent_class)->dispose (object);
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}
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static void
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nm_device_modem_class_init (NMDeviceModemClass *modem_class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (modem_class);
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NMDeviceClass *device_class = NM_DEVICE_CLASS (modem_class);
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g_type_class_add_private (modem_class, sizeof (NMDeviceModemPrivate));
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/* virtual methods */
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object_class->constructed = constructed;
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object_class->get_property = get_property;
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object_class->dispose = dispose;
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device_class->get_type_description = get_type_description;
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device_class->connection_compatible = connection_compatible;
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device_class->get_setting_type = get_setting_type;
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/**
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* NMDeviceModem:modem-capabilities:
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*
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* The generic family of access technologies the modem supports. Not all
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* capabilities are available at the same time however; some modems require
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* a firmware reload or other reinitialization to switch between eg
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* CDMA/EVDO and GSM/UMTS.
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**/
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g_object_class_install_property
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(object_class, PROP_MODEM_CAPS,
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g_param_spec_uint (NM_DEVICE_MODEM_MODEM_CAPABILITIES, "", "",
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0, G_MAXUINT32, 0,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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/**
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* NMDeviceModem:current-capabilities:
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*
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* The generic family of access technologies the modem currently supports
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* without a firmware reload or reinitialization.
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**/
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g_object_class_install_property
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(object_class, PROP_CURRENT_CAPS,
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g_param_spec_uint (NM_DEVICE_MODEM_CURRENT_CAPABILITIES, "", "",
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0, G_MAXUINT32, 0,
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G_PARAM_READABLE |
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G_PARAM_STATIC_STRINGS));
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}
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