[PATCH 3/8] modem-manager: new `NMModemBroadband'



This new object, which is a subclass of `NMModem', implements the basic support
of the new ModemManager1 interface.
---
 src/generated/Makefile.am              |   18 +-
 src/modem-manager/Makefile.am          |    8 +
 src/modem-manager/README               |    9 +
 src/modem-manager/nm-modem-broadband.c | 1012 ++++++++++++++++++++++++++++++++
 src/modem-manager/nm-modem-broadband.h |   69 +++
 5 files changed, 1115 insertions(+), 1 deletion(-)
 create mode 100644 src/modem-manager/nm-modem-broadband.c
 create mode 100644 src/modem-manager/nm-modem-broadband.h

diff --git a/src/generated/Makefile.am b/src/generated/Makefile.am
index 8f63f39..307766e 100644
--- a/src/generated/Makefile.am
+++ b/src/generated/Makefile.am
@@ -27,9 +27,21 @@ if WITH_WIMAX
 nm_daemon_all_sources += $(top_srcdir)/src/wimax/*.[ch]
 endif
 
-nm_daemon_sources = \
+nm_daemon_sources_no_bindings = \
 	$(filter-out %-glue.h %-bindings.h, $(wildcard $(nm_daemon_all_sources)))
 
+if WITH_MODEM_MANAGER_1
+# We filter out this file, which doesn't have any enum, and which clashes
+# with ModemManager1-defined symbols
+nm_daemon_sources = \
+	$(filter-out $(top_srcdir)/src/modem-manager/nm-modem-types.h, $(wildcard $(nm_daemon_sources_no_bindings)))
+else
+# Don't include ModemManager1-specific headers if we're not compiling with
+# ModemManager1 support.
+nm_daemon_sources = \
+	$(filter-out $(top_srcdir)/src/modem-manager/nm-modem-broadband.h, $(wildcard $(nm_daemon_sources_no_bindings)))
+endif
+
 GLIB_GENERATED = nm-enum-types.h nm-enum-types.c
 nm_enum_types_sources = $(nm_daemon_sources)
 GLIB_MKENUMS_H_FLAGS = --identifier-prefix NM
@@ -70,6 +82,10 @@ libnm_generated_la_CPPFLAGS = \
 	$(SYSTEMD_LOGIN_CFLAGS) \
 	$(IWMX_SDK_CFLAGS)
 
+if WITH_MODEM_MANAGER_1
+	libnm_generated_la_CPPFLAGS += $(MM_GLIB_CFLAGS)
+endif
+
 libnm_generated_la_LIBADD = \
 	$(GLIB_LIBS)
 
diff --git a/src/modem-manager/Makefile.am b/src/modem-manager/Makefile.am
index 192ed2e..aa5534f 100644
--- a/src/modem-manager/Makefile.am
+++ b/src/modem-manager/Makefile.am
@@ -35,3 +35,11 @@ libmodem_manager_la_LIBADD = \
 	$(LIBNL_LIBS) \
 	$(DBUS_LIBS)
 
+# Support for the new ModemManager1 interface
+if WITH_MODEM_MANAGER_1
+libmodem_manager_la_SOURCES += \
+	nm-modem-broadband.h \
+	nm-modem-broadband.c
+libmodem_manager_la_CPPFLAGS += $(MM_GLIB_CFLAGS)
+libmodem_manager_la_LIBADD += $(MM_GLIB_LIBS)
+endif
diff --git a/src/modem-manager/README b/src/modem-manager/README
index eba36ba..d3f9122 100644
--- a/src/modem-manager/README
+++ b/src/modem-manager/README
@@ -11,6 +11,15 @@ Common source
       the modem object.
 
 
+ModemManager 0.7 integration
+********************************************************************************
+
+ * nm-modem-broadband.[h|c]:
+      Defines the `NMModemBroadband' object, which is a subclass of `NMModem'.
+      This object handles both 3GPP and 3GPP2 modems exposed in the new
+      `ModemManager1' interface.
+
+
 ModemManager 0.4/0.5/0.6 integration
 ********************************************************************************
 
diff --git a/src/modem-manager/nm-modem-broadband.c b/src/modem-manager/nm-modem-broadband.c
new file mode 100644
index 0000000..bc68d9a
--- /dev/null
+++ b/src/modem-manager/nm-modem-broadband.c
@@ -0,0 +1,1012 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright (C) 2012 Aleksander Morgado <aleksander gnu org>
+ */
+
+#include <glib/gi18n.h>
+#include <string.h>
+#include <libmm-glib.h>
+#include "nm-modem-broadband.h"
+#include "nm-system.h"
+#include "nm-setting-connection.h"
+#include "nm-logging.h"
+#include "NetworkManagerUtils.h"
+#include "nm-device-private.h"
+
+G_DEFINE_TYPE (NMModemBroadband, nm_modem_broadband, NM_TYPE_MODEM)
+
+struct _NMModemBroadbandPrivate {
+	/* The modem object from dbus */
+	MMObject *modem_object;
+	/* Per-interface objects */
+	MMModem *modem_iface;
+	MMModemSimple *simple_iface;
+
+	/* Connection setup */
+	MMSimpleConnectProperties *connect_properties;
+	MMBearer *bearer;
+	MMBearerIpConfig *ipv4_config;
+	MMBearerIpConfig *ipv6_config;
+
+	guint32 pin_tries;
+};
+
+enum {
+	PROP_0,
+	PROP_MODEM,
+};
+
+#define MODEM_CAPS_3GPP(caps) (caps & (MM_MODEM_CAPABILITY_GSM_UMTS |    \
+                                       MM_MODEM_CAPABILITY_LTE |         \
+                                       MM_MODEM_CAPABILITY_LTE_ADVANCED))
+
+#define MODEM_CAPS_3GPP2(caps) (caps & (MM_MODEM_CAPABILITY_CDMA_EVDO))
+
+/*****************************************************************************/
+
+#define NM_MODEM_BROADBAND_ERROR (nm_modem_broadband_error_quark ())
+
+static GQuark
+nm_modem_broadband_error_quark (void)
+{
+	static GQuark quark = 0;
+	if (!quark)
+		quark = g_quark_from_static_string ("nm-modem-broadband-error");
+	return quark;
+}
+
+static NMDeviceStateReason
+translate_mm_error (GError *error)
+{
+	NMDeviceStateReason reason;
+
+	if (g_error_matches (error, MM_CONNECTION_ERROR, MM_CONNECTION_ERROR_NO_CARRIER))
+		reason = NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER;
+	else if (g_error_matches (error, MM_CONNECTION_ERROR, MM_CONNECTION_ERROR_NO_DIALTONE))
+		reason = NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE;
+	else if (g_error_matches (error, MM_CONNECTION_ERROR, MM_CONNECTION_ERROR_BUSY))
+		reason = NM_DEVICE_STATE_REASON_MODEM_BUSY;
+	else if (g_error_matches (error, MM_CONNECTION_ERROR, MM_CONNECTION_ERROR_NO_ANSWER))
+		reason = NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_NETWORK_NOT_ALLOWED))
+		reason = NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_NETWORK_TIMEOUT))
+		reason = NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_NO_NETWORK))
+		reason = NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_SIM_NOT_INSERTED))
+		reason = NM_DEVICE_STATE_REASON_GSM_SIM_NOT_INSERTED;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_SIM_PIN))
+		reason = NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_SIM_PUK))
+		reason = NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED;
+	else if (g_error_matches (error, MM_MOBILE_EQUIPMENT_ERROR, MM_MOBILE_EQUIPMENT_ERROR_SIM_WRONG))
+		reason = NM_DEVICE_STATE_REASON_GSM_SIM_WRONG;
+	else {
+		/* unable to map the ModemManager error to a NM_DEVICE_STATE_REASON */
+		nm_log_dbg (LOGD_MB, "unmapped error detected: '%s'", error->message);
+		reason = NM_DEVICE_STATE_REASON_UNKNOWN;
+	}
+
+	return reason;
+}
+
+/*****************************************************************************/
+
+void
+nm_modem_broadband_get_capabilities (NMModemBroadband *self,
+                                     NMDeviceModemCapabilities *modem_caps,
+                                     NMDeviceModemCapabilities *current_caps)
+{
+	*modem_caps = (NMDeviceModemCapabilities)mm_modem_get_modem_capabilities (self->priv->modem_iface);
+	*current_caps = (NMDeviceModemCapabilities)mm_modem_get_current_capabilities (self->priv->modem_iface);
+}
+
+/*****************************************************************************/
+
+static void
+ask_for_pin (NMModemBroadband *self)
+{
+	guint32 tries;
+
+	tries = self->priv->pin_tries++;
+	nm_modem_get_secrets (NM_MODEM (self),
+	                      NM_SETTING_GSM_SETTING_NAME,
+	                      tries ? TRUE : FALSE,
+	                      NM_SETTING_GSM_PIN);
+}
+
+static void
+connect_ready (MMModemSimple *simple_iface,
+               GAsyncResult *res,
+               NMModemBroadband *self)
+{
+	GError *error = NULL;
+	guint ip_method;
+
+	g_clear_object (&self->priv->connect_properties);
+
+	self->priv->bearer = mm_modem_simple_connect_finish (simple_iface, res, &error);
+	if (!self->priv->bearer) {
+		if (g_error_matches (error,
+		                     MM_MOBILE_EQUIPMENT_ERROR,
+		                     MM_MOBILE_EQUIPMENT_ERROR_SIM_PIN))
+			ask_for_pin (self);
+		else {
+			nm_log_warn (LOGD_MB, "(%s) failed to connect modem: %s",
+			             nm_modem_get_uid (NM_MODEM (self)),
+			             error && error->message ? error->message : "(unknown)");
+			g_signal_emit_by_name (self, NM_MODEM_PREPARE_RESULT, FALSE, translate_mm_error (error));
+		}
+
+		g_clear_error (&error);
+		g_object_unref (self);
+		return;
+	}
+
+	/* Grab IP configurations */
+	self->priv->ipv4_config = mm_bearer_get_ipv4_config (self->priv->bearer);
+	self->priv->ipv6_config = mm_bearer_get_ipv6_config (self->priv->bearer);
+
+	switch (mm_bearer_ip_config_get_method (self->priv->ipv4_config)) {
+	case MM_BEARER_IP_METHOD_PPP:
+		ip_method = MM_MODEM_IP_METHOD_PPP;
+		break;
+	case MM_BEARER_IP_METHOD_STATIC:
+		ip_method = MM_MODEM_IP_METHOD_STATIC;
+		break;
+	case MM_BEARER_IP_METHOD_DHCP:
+		ip_method = MM_MODEM_IP_METHOD_DHCP;
+		break;
+	default:
+		error = g_error_new (NM_MODEM_BROADBAND_ERROR,
+		                     NM_MODEM_BROADBAND_ERROR_CONNECTION_INVALID,
+		                     "invalid IP config");
+		nm_log_warn (LOGD_MB, "(%s) failed to connect modem: %s",
+		             nm_modem_get_uid (NM_MODEM (self)),
+		             error->message);
+		g_signal_emit_by_name (self, NM_MODEM_PREPARE_RESULT, FALSE, translate_mm_error (error));
+		g_error_free (error);
+		g_object_unref (self);
+		return;
+	}
+
+	/* IPv4 for now only */
+	g_object_set (self,
+	              NM_MODEM_DATA_PORT,  mm_bearer_get_interface (self->priv->bearer),
+	              NM_MODEM_IP_METHOD,  ip_method,
+	              NM_MODEM_IP_TIMEOUT, mm_bearer_get_ip_timeout (self->priv->bearer),
+	              NULL);
+
+	g_signal_emit_by_name (self, NM_MODEM_PREPARE_RESULT, TRUE, NM_DEVICE_STATE_REASON_NONE);
+	g_object_unref (self);
+}
+
+static MMSimpleConnectProperties *
+create_cdma_connect_properties (NMConnection *connection)
+{
+	NMSettingCdma *setting;
+	MMSimpleConnectProperties *properties;
+	const gchar *str;
+
+	setting = nm_connection_get_setting_cdma (connection);
+	properties = mm_simple_connect_properties_new ();
+
+	str = nm_setting_cdma_get_number (setting);
+	if (str)
+		mm_simple_connect_properties_set_number (properties, str);
+
+	return properties;
+}
+
+static MMSimpleConnectProperties *
+create_gsm_connect_properties (NMConnection *connection)
+{
+	NMSettingGsm *setting;
+	NMSettingPPP *s_ppp;
+	MMSimpleConnectProperties *properties;
+	const gchar *str;
+
+	setting = nm_connection_get_setting_gsm (connection);
+	properties = mm_simple_connect_properties_new ();
+
+	/* TODO: not needed */
+	str = nm_setting_gsm_get_number (setting);
+	if (str)
+		mm_simple_connect_properties_set_number (properties, str);
+
+	str = nm_setting_gsm_get_apn (setting);
+	if (str)
+		mm_simple_connect_properties_set_apn (properties, str);
+
+	str = nm_setting_gsm_get_network_id (setting);
+	if (str)
+		mm_simple_connect_properties_set_operator_id (properties, str);
+
+	str = nm_setting_gsm_get_pin (setting);
+	if (str)
+		mm_simple_connect_properties_set_pin (properties, str);
+
+	str = nm_setting_gsm_get_username (setting);
+	if (str)
+		mm_simple_connect_properties_set_user (properties, str);
+
+	str = nm_setting_gsm_get_password (setting);
+	if (str)
+		mm_simple_connect_properties_set_password (properties, str);
+
+	/* TODO: We should check SUPPORTED MODES here */
+	switch (nm_setting_gsm_get_network_type (setting)) {
+	case NM_SETTING_GSM_NETWORK_TYPE_UMTS_HSPA:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_3G,
+		                                                MM_MODEM_MODE_NONE);
+		break;
+	case NM_SETTING_GSM_NETWORK_TYPE_GPRS_EDGE:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_2G,
+		                                                MM_MODEM_MODE_NONE);
+		break;
+	case NM_SETTING_GSM_NETWORK_TYPE_PREFER_UMTS_HSPA:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_ANY,
+		                                                MM_MODEM_MODE_3G);
+		break;
+	case NM_SETTING_GSM_NETWORK_TYPE_PREFER_GPRS_EDGE:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_ANY,
+		                                                MM_MODEM_MODE_2G);
+		break;
+	case NM_SETTING_GSM_NETWORK_TYPE_PREFER_4G:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_ANY,
+		                                                MM_MODEM_MODE_4G);
+		break;
+	case NM_SETTING_GSM_NETWORK_TYPE_4G:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_4G,
+		                                                MM_MODEM_MODE_NONE);
+		break;
+	default:
+		mm_simple_connect_properties_set_allowed_modes (properties,
+		                                                MM_MODEM_MODE_ANY,
+		                                                MM_MODEM_MODE_NONE);
+		break;
+	}
+
+	/* Roaming */
+	if (nm_setting_gsm_get_home_only (setting))
+		mm_simple_connect_properties_set_allow_roaming (properties, FALSE);
+
+	/* For IpMethod == STATIC or DHCP */
+	s_ppp = nm_connection_get_setting_ppp (connection);
+	if (s_ppp) {
+		MMBearerAllowedAuth allowed_auth = MM_BEARER_ALLOWED_AUTH_UNKNOWN;
+
+		if (nm_setting_ppp_get_noauth (s_ppp))
+			allowed_auth = MM_BEARER_ALLOWED_AUTH_NONE;
+		if (!nm_setting_ppp_get_refuse_pap (s_ppp))
+			allowed_auth |= MM_BEARER_ALLOWED_AUTH_PAP;
+		if (!nm_setting_ppp_get_refuse_chap (s_ppp))
+			allowed_auth |= MM_BEARER_ALLOWED_AUTH_CHAP;
+		if (!nm_setting_ppp_get_refuse_mschap (s_ppp))
+			allowed_auth |= MM_BEARER_ALLOWED_AUTH_MSCHAP;
+		if (!nm_setting_ppp_get_refuse_mschapv2 (s_ppp))
+			allowed_auth |= MM_BEARER_ALLOWED_AUTH_MSCHAPV2;
+		if (!nm_setting_ppp_get_refuse_eap (s_ppp))
+			allowed_auth |= MM_BEARER_ALLOWED_AUTH_EAP;
+
+		mm_simple_connect_properties_set_allowed_auth (properties, allowed_auth);
+	}
+
+	return properties;
+}
+
+static NMActStageReturn
+act_stage1_prepare (NMModem *_self,
+                    NMActRequest *req,
+                    GPtrArray **out_hints,
+                    const char **out_setting_name,
+                    NMDeviceStateReason *reason)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+	NMConnection *connection;
+
+	connection = nm_act_request_get_connection (req);
+	g_assert (connection);
+
+	*out_setting_name = nm_connection_need_secrets (connection, out_hints);
+	if (!*out_setting_name) {
+		MMModemCapability caps;
+
+		caps = mm_modem_get_current_capabilities (self->priv->modem_iface);
+
+		g_clear_object (&self->priv->connect_properties);
+
+		if (MODEM_CAPS_3GPP (caps))
+			self->priv->connect_properties = create_gsm_connect_properties (connection);
+		else if (MODEM_CAPS_3GPP2 (caps))
+			self->priv->connect_properties = create_cdma_connect_properties (connection);
+		else
+			g_assert_not_reached ();
+
+		if (!self->priv->simple_iface)
+			self->priv->simple_iface = mm_object_get_modem_simple (self->priv->modem_object);
+
+		mm_modem_simple_connect (self->priv->simple_iface,
+		                         self->priv->connect_properties,
+		                         NULL,
+		                         (GAsyncReadyCallback)connect_ready,
+		                         g_object_ref (self));
+	} else {
+		/* NMModem will handle requesting secrets... */
+	}
+
+	return NM_ACT_STAGE_RETURN_POSTPONE;
+}
+
+/*****************************************************************************/
+
+static NMConnection *
+get_best_auto_connection (NMModem *_self,
+                          GSList *connections,
+                          char **specific_object)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+	MMModemCapability modem_caps;
+	GSList *iter;
+
+	modem_caps = mm_modem_get_current_capabilities (self->priv->modem_iface);
+
+	for (iter = connections; iter; iter = g_slist_next (iter)) {
+		NMConnection *connection = NM_CONNECTION (iter->data);
+		NMSettingConnection *s_con;
+
+		s_con = nm_connection_get_setting_connection (connection);
+		g_assert (s_con);
+
+		if (!nm_setting_connection_get_autoconnect (s_con))
+			continue;
+
+		/* If GSM settings given and our modem is 3GPP, those are the best ones */
+		if (   g_str_equal (nm_setting_connection_get_connection_type (s_con),
+		                    NM_SETTING_GSM_SETTING_NAME)
+		    && MODEM_CAPS_3GPP (modem_caps))
+			return connection;
+
+		/* If CDMA settings given and our modem is 3GPP2, return those */
+		if (   g_str_equal (nm_setting_connection_get_connection_type (s_con),
+		                    NM_SETTING_CDMA_SETTING_NAME)
+		    && MODEM_CAPS_3GPP2 (modem_caps))
+			return connection;
+
+		/* continue */
+	}
+
+	return NULL;
+}
+
+/*****************************************************************************/
+
+static gboolean
+check_connection_compatible (NMModem *_self,
+                             NMConnection *connection,
+                             GError **error)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+	MMModemCapability modem_caps;
+	NMSettingConnection *s_con;
+
+	modem_caps = mm_modem_get_current_capabilities (self->priv->modem_iface);
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (s_con);
+
+	if (MODEM_CAPS_3GPP (modem_caps)) {
+		NMSettingGsm *s_gsm;
+
+		if (!g_str_equal (nm_setting_connection_get_connection_type (s_con),
+		                  NM_SETTING_GSM_SETTING_NAME)) {
+			g_set_error (error,
+			             NM_MODEM_BROADBAND_ERROR,
+			             NM_MODEM_BROADBAND_ERROR_CONNECTION_NOT_GSM,
+			             "The connection was not a 3GPP connection.");
+			return FALSE;
+		}
+
+		s_gsm = nm_connection_get_setting_gsm (connection);
+		if (!s_gsm) {
+			g_set_error (error,
+			             NM_MODEM_BROADBAND_ERROR,
+			             NM_MODEM_BROADBAND_ERROR_CONNECTION_INVALID,
+			             "The connection was not a valid 3GPP connection.");
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	if (MODEM_CAPS_3GPP2 (modem_caps)) {
+		NMSettingCdma *s_cdma;
+
+		if (!g_str_equal (nm_setting_connection_get_connection_type (s_con),
+		                  NM_SETTING_CDMA_SETTING_NAME)) {
+			g_set_error (error,
+			             NM_MODEM_BROADBAND_ERROR,
+			             NM_MODEM_BROADBAND_ERROR_CONNECTION_NOT_CDMA,
+			             "The connection was not a 3GPP2 connection.");
+			return FALSE;
+		}
+
+		s_cdma = nm_connection_get_setting_cdma (connection);
+		if (!s_cdma) {
+			g_set_error (error,
+			             NM_MODEM_BROADBAND_ERROR,
+			             NM_MODEM_BROADBAND_ERROR_CONNECTION_INVALID,
+			             "The connection was not a valid 3GPP2 connection.");
+			return FALSE;
+		}
+
+		return TRUE;
+	}
+
+	g_assert_not_reached ();
+}
+
+/*****************************************************************************/
+
+static gboolean
+complete_connection (NMModem *_self,
+                     NMConnection *connection,
+                     const GSList *existing_connections,
+                     GError **error)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+	MMModemCapability modem_caps;
+	NMSettingPPP *s_ppp;
+
+	modem_caps = mm_modem_get_current_capabilities (self->priv->modem_iface);
+
+	/* PPP settings common to 3GPP and 3GPP2 */
+	s_ppp = nm_connection_get_setting_ppp (connection);
+	if (!s_ppp) {
+		s_ppp = (NMSettingPPP *) nm_setting_ppp_new ();
+		g_object_set (G_OBJECT (s_ppp),
+		              NM_SETTING_PPP_LCP_ECHO_FAILURE, 5,
+		              NM_SETTING_PPP_LCP_ECHO_INTERVAL, 30,
+		              NULL);
+		nm_connection_add_setting (connection, NM_SETTING (s_ppp));
+	}
+
+	if (MODEM_CAPS_3GPP (modem_caps)) {
+		NMSettingGsm *s_gsm;
+
+		s_gsm = nm_connection_get_setting_gsm (connection);
+		if (!s_gsm || !nm_setting_gsm_get_apn (s_gsm)) {
+			/* Need an APN at least */
+			g_set_error_literal (error,
+			                     NM_SETTING_GSM_ERROR,
+			                     NM_SETTING_GSM_ERROR_MISSING_PROPERTY,
+			                     NM_SETTING_GSM_APN);
+			return FALSE;
+		}
+
+		/* TODO: This is not needed */
+		if (!nm_setting_gsm_get_number (s_gsm))
+			g_object_set (G_OBJECT (s_gsm), NM_SETTING_GSM_NUMBER, "*99#", NULL);
+
+		nm_utils_complete_generic (connection,
+		                           NM_SETTING_GSM_SETTING_NAME,
+		                           existing_connections,
+		                           _("GSM connection %d"),
+		                           NULL,
+		                           FALSE); /* No IPv6 yet by default */
+
+		return TRUE;
+	}
+
+	if (MODEM_CAPS_3GPP2 (modem_caps)) {
+		NMSettingCdma *s_cdma;
+
+		s_cdma = nm_connection_get_setting_cdma (connection);
+		if (!s_cdma) {
+			s_cdma = (NMSettingCdma *) nm_setting_cdma_new ();
+			nm_connection_add_setting (connection, NM_SETTING (s_cdma));
+		}
+
+		if (!nm_setting_cdma_get_number (s_cdma))
+			g_object_set (G_OBJECT (s_cdma), NM_SETTING_CDMA_NUMBER, "#777", NULL);
+
+		nm_utils_complete_generic (connection,
+		                           NM_SETTING_CDMA_SETTING_NAME,
+		                           existing_connections,
+		                           _("CDMA connection %d"),
+		                           NULL,
+		                           FALSE); /* No IPv6 yet by default */
+
+		return TRUE;
+	}
+
+	g_assert_not_reached ();
+}
+
+/*****************************************************************************/
+
+static gboolean
+get_user_pass (NMModem *modem,
+               NMConnection *connection,
+               const char **user,
+               const char **pass)
+{
+	NMSettingGsm *s_gsm;
+
+	s_gsm = nm_connection_get_setting_gsm (connection);
+	if (!s_gsm)
+		return FALSE;
+
+	if (user)
+		*user = nm_setting_gsm_get_username (s_gsm);
+	if (pass)
+		*pass = nm_setting_gsm_get_password (s_gsm);
+
+	return TRUE;
+}
+
+/*****************************************************************************/
+
+static const char *
+get_setting_name (NMModem *_self)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+	MMModemCapability modem_caps;
+
+	modem_caps = mm_modem_get_current_capabilities (self->priv->modem_iface);
+	if (MODEM_CAPS_3GPP (modem_caps))
+		return NM_SETTING_GSM_SETTING_NAME;
+
+	if (MODEM_CAPS_3GPP2 (modem_caps))
+		return NM_SETTING_CDMA_SETTING_NAME;
+
+	return "unknown";
+}
+
+/*****************************************************************************/
+/* Query/Update enabled state */
+
+static void
+update_mm_enabled (NMModem *self,
+                   gboolean new_enabled)
+{
+	if (nm_modem_get_mm_enabled (self) != new_enabled) {
+		g_object_set (self,
+		              NM_MODEM_ENABLED, new_enabled,
+		              NULL);
+	}
+}
+
+static void
+modem_disable_ready (MMModem *modem_iface,
+                     GAsyncResult *res,
+                     NMModemBroadband *self)
+{
+	GError *error = NULL;
+
+	if (!mm_modem_disable_finish (modem_iface, res, &error)) {
+		nm_log_warn (LOGD_MB, "(%s) failed to disable modem: %s",
+		             nm_modem_get_uid (NM_MODEM (self)),
+		             error && error->message ? error->message : "(unknown)");
+		g_clear_error (&error);
+	} else
+		/* Update enabled/disabled state again */
+		update_mm_enabled (NM_MODEM (self), FALSE);
+
+	/* Balance refcount */
+	g_object_unref (self);
+}
+
+static void
+modem_enable_ready (MMModem *modem_iface,
+                    GAsyncResult *res,
+                    NMModemBroadband *self)
+{
+	GError *error = NULL;
+
+	if (!mm_modem_enable_finish (modem_iface, res, &error)) {
+		nm_log_warn (LOGD_MB, "(%s) failed to enable modem: %s",
+		             nm_modem_get_uid (NM_MODEM (self)),
+		             error && error->message ? error->message : "(unknown)");
+		g_clear_error (&error);
+	} else
+		update_mm_enabled (NM_MODEM (self), TRUE);
+
+	/* Balance refcount */
+	g_object_unref (self);
+}
+
+static void
+set_mm_enabled (NMModem *_self,
+                gboolean enabled)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+
+	if (enabled) {
+		mm_modem_enable (self->priv->modem_iface,
+		                 NULL, /* cancellable */
+		                 (GAsyncReadyCallback)modem_enable_ready,
+		                 g_object_ref (self));
+	} else {
+		mm_modem_disable (self->priv->modem_iface,
+		                  NULL, /* cancellable */
+		                  (GAsyncReadyCallback)modem_disable_ready,
+		                  g_object_ref (self));
+
+		/* When disabling don't say we're enabled */
+		update_mm_enabled (NM_MODEM (self), enabled);
+	}
+}
+
+/*****************************************************************************/
+/* IP method static */
+
+static gboolean
+ip_string_to_network_address (const gchar *str,
+                              guint32 *out)
+{
+	struct in_addr addr;
+
+	/* IP address */
+	if (inet_pton (AF_INET, str, &addr) <= 0)
+		return FALSE;
+
+	*out = (guint32)addr.s_addr;
+	return TRUE;
+}
+
+static gboolean
+static_stage3_done (NMModemBroadband *self)
+{
+	GError *error = NULL;
+	NMIP4Config *config = NULL;
+	const gchar *address_string;
+	guint32 address_network;
+	NMIP4Address *addr;
+	const gchar **dns;
+	guint i;
+	guint prefix;
+
+	g_assert (self->priv->ipv4_config);
+
+	nm_log_info (LOGD_MB, "(%s): IPv4 static configuration:",
+	             nm_modem_get_uid (NM_MODEM (self)));
+
+	/* Fully fail if invalid IP address retrieved */
+	address_string = mm_bearer_ip_config_get_address (self->priv->ipv4_config);
+	if (!ip_string_to_network_address (address_string, &address_network)) {
+		error = g_error_new (NM_MODEM_BROADBAND_ERROR,
+		                     NM_MODEM_BROADBAND_ERROR_CONNECTION_INVALID,
+		                     "(%s) retrieving IP4 configuration failed: invalid address given '%s'",
+		                     nm_modem_get_uid (NM_MODEM (self)),
+		                     address_string);
+		goto out;
+	}
+
+	config = nm_ip4_config_new ();
+	addr = nm_ip4_address_new ();
+	nm_ip4_address_set_address (addr, address_network);
+	prefix = mm_bearer_ip_config_get_prefix (self->priv->ipv4_config);
+	if (prefix > 0)
+		nm_ip4_address_set_prefix (addr, prefix);
+	nm_ip4_config_take_address (config, addr);
+
+	nm_log_info (LOGD_MB, "  address %s/%d",
+	             mm_bearer_ip_config_get_address (self->priv->ipv4_config),
+	             mm_bearer_ip_config_get_prefix (self->priv->ipv4_config));
+
+	/* DNS servers */
+	dns = mm_bearer_ip_config_get_dns (self->priv->ipv4_config);
+	for (i = 0; dns[i]; i++) {
+		if (   ip_string_to_network_address (dns[i], &address_network)
+		    && address_network > 0) {
+			nm_ip4_config_add_nameserver (config, address_network);
+			nm_log_info (LOGD_MB, "  DNS %s", dns[i]);
+		}
+	}
+
+out:
+	g_signal_emit_by_name (self,
+	                       NM_MODEM_IP4_CONFIG_RESULT,
+	                       mm_bearer_get_interface (self->priv->bearer),
+	                       config,
+	                       error);
+	g_clear_error (&error);
+	return FALSE;
+}
+
+static NMActStageReturn
+static_stage3_ip4_config_start (NMModem *_self,
+                                NMActRequest *req,
+                                NMDeviceStateReason *reason)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+
+	/* We schedule it in an idle just to follow the same logic as in the
+	 * generic modem implementation. */
+	g_idle_add ((GSourceFunc)static_stage3_done, self);
+
+	return NM_ACT_STAGE_RETURN_POSTPONE;
+}
+
+/*****************************************************************************/
+/* Disconnect */
+
+typedef struct {
+	NMModemBroadband *self;
+	gboolean warn;
+} SimpleDisconnectContext;
+
+static void
+simple_disconnect_context_free (SimpleDisconnectContext *ctx)
+{
+	g_object_unref (ctx->self);
+	g_slice_free (SimpleDisconnectContext, ctx);
+}
+
+static void
+simple_disconnect_ready (MMModemSimple *modem_iface,
+                         GAsyncResult *res,
+                         SimpleDisconnectContext *ctx)
+{
+	GError *error = NULL;
+
+	if (!mm_modem_simple_disconnect_finish (modem_iface, res, &error)) {
+		if (ctx->warn)
+			nm_log_warn (LOGD_MB, "(%s) failed to disconnect modem: %s",
+			             nm_modem_get_uid (NM_MODEM (ctx->self)),
+			             error && error->message ? error->message : "(unknown)");
+		g_clear_error (&error);
+	}
+
+	simple_disconnect_context_free (ctx);
+}
+
+static void
+disconnect (NMModem *self,
+            gboolean warn)
+{
+	SimpleDisconnectContext *ctx;
+
+	ctx = g_slice_new (SimpleDisconnectContext);
+	ctx->self = g_object_ref (self);
+
+	/* Don't bother warning on FAILED since the modem is already gone */
+	ctx->warn = warn;
+
+	mm_modem_simple_disconnect (
+		ctx->self->priv->simple_iface,
+		NULL, /* bearer path; if NULL given ALL get disconnected */
+		NULL, /* cancellable */
+		(GAsyncReadyCallback)simple_disconnect_ready,
+		ctx);
+}
+
+/*****************************************************************************/
+
+static void
+deactivate (NMModem *_self, NMDevice *device)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (_self);
+
+	/* TODO: cancel SimpleConnect() if any */
+
+	/* Cleanup IPv4 addresses and routes */
+	g_clear_object (&self->priv->ipv4_config);
+	g_clear_object (&self->priv->ipv6_config);
+	g_clear_object (&self->priv->bearer);
+
+	self->priv->pin_tries = 0;
+
+	/* Chain up parent's */
+	NM_MODEM_CLASS (nm_modem_broadband_parent_class)->deactivate (_self, device);
+}
+
+/*****************************************************************************/
+
+static void
+modem_state_changed (MMModem *modem,
+                     MMModemState old_state,
+                     MMModemState new_state,
+                     MMModemStateChangeReason reason,
+                     NMModemBroadband *self)
+{
+	gboolean old;
+	gboolean new;
+
+	nm_log_info (LOGD_MB, "(%s) state changed, '%s' --> '%s' (reason: %s)\n",
+	             nm_modem_get_uid (NM_MODEM (self)),
+	             mm_modem_state_get_string (old_state),
+	             mm_modem_state_get_string (new_state),
+	             mm_modem_state_change_reason_get_string (reason));
+
+	old = nm_modem_get_mm_enabled (NM_MODEM (self));
+	new = (mm_modem_get_state (self->priv->modem_iface) >= MM_MODEM_STATE_ENABLED);
+	if (old != new)
+		g_object_set (self,
+		              NM_MODEM_ENABLED, new,
+		              NULL);
+
+	old = nm_modem_get_mm_connected (NM_MODEM (self));
+	new = (mm_modem_get_state (self->priv->modem_iface) >= MM_MODEM_STATE_CONNECTED);
+	if (old != new)
+		g_object_set (self,
+		              NM_MODEM_CONNECTED, new,
+		              NULL);
+}
+
+/*****************************************************************************/
+
+NMModem *
+nm_modem_broadband_new (GObject *object)
+{
+	MMObject *modem_object;
+	NMModem *self;
+	MMModem *modem_iface;
+	gchar *uid;
+	const gchar *path;
+	const gchar *aux;
+
+	g_return_val_if_fail (MM_IS_OBJECT (object), NULL);
+	modem_object = MM_OBJECT (object);
+
+	/* Ensure we have the 'Modem' interface at least */
+	modem_iface = mm_object_peek_modem (modem_object);
+	g_return_val_if_fail (!!modem_iface, NULL);
+
+	/* Uid is just a unique string we build for logs and such */
+	path = mm_object_get_path (modem_object);
+	g_assert (g_str_has_prefix (path, MM_DBUS_MODEM_PREFIX));
+	aux = &path[strlen (MM_DBUS_MODEM_PREFIX)];
+	while (*aux == '/')
+		aux++;
+	uid = g_strdup_printf ("modem%s", aux);
+
+	/* If the modem is in 'FAILED' state we cannot do anything with it.
+	 * This happens when a severe error happened when trying to initialize it,
+	 * like missing SIM. */
+	if (mm_modem_get_state (modem_iface) == MM_MODEM_STATE_FAILED) {
+		nm_log_warn (LOGD_MB, "(%s): unusable modem detected", uid);
+		g_free (uid);
+		return NULL;
+	}
+
+	self = (NMModem *) g_object_new (NM_TYPE_MODEM_BROADBAND,
+	                                 NM_MODEM_PATH, path,
+	                                 NM_MODEM_UID, uid,
+	                                 NM_MODEM_CONTROL_PORT, mm_modem_get_primary_port (modem_iface),
+	                                 NM_MODEM_DATA_PORT, NULL, /* We don't know it until bearer created */
+	                                 NM_MODEM_BROADBAND_MODEM, modem_object,
+	                                 NULL);
+	g_free (uid);
+	return self;
+}
+
+static void
+nm_modem_broadband_init (NMModemBroadband *self)
+{
+	self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
+	                                          NM_TYPE_MODEM_BROADBAND,
+	                                          NMModemBroadbandPrivate);
+}
+
+static void
+set_property (GObject *object,
+              guint prop_id,
+			  const GValue *value,
+              GParamSpec *pspec)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (object);
+
+	switch (prop_id) {
+	case PROP_MODEM:
+		/* construct-only */
+		self->priv->modem_object = g_value_dup_object (value);
+		self->priv->modem_iface = mm_object_get_modem (self->priv->modem_object);
+		g_assert (self->priv->modem_iface != NULL);
+		g_signal_connect (self->priv->modem_iface,
+                          "state-changed",
+                          G_CALLBACK (modem_state_changed),
+                          self);
+
+		g_object_set (object,
+		              NM_MODEM_ENABLED, (mm_modem_get_state (self->priv->modem_iface) >= MM_MODEM_STATE_ENABLED),
+		              NM_MODEM_CONNECTED, (mm_modem_get_state (self->priv->modem_iface) >= MM_MODEM_STATE_CONNECTED),
+		              NULL);
+
+		/* Note: don't grab the Simple iface here; the Modem interface is the
+		 * only one assumed to be always valid and available */
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+get_property (GObject *object,
+              guint prop_id,
+			  GValue *value,
+              GParamSpec *pspec)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (object);
+
+	switch (prop_id) {
+	case PROP_MODEM:
+		g_value_set_object (value, self->priv->modem_object);
+		break;
+	default:
+		G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+		break;
+	}
+}
+
+static void
+dispose (GObject *object)
+{
+	NMModemBroadband *self = NM_MODEM_BROADBAND (object);
+
+	g_clear_object (&self->priv->ipv4_config);
+	g_clear_object (&self->priv->ipv6_config);
+	g_clear_object (&self->priv->bearer);
+	g_clear_object (&self->priv->modem_iface);
+	g_clear_object (&self->priv->simple_iface);
+	g_clear_object (&self->priv->modem_object);
+
+	G_OBJECT_CLASS (nm_modem_broadband_parent_class)->dispose (object);
+}
+
+static void
+nm_modem_broadband_class_init (NMModemBroadbandClass *klass)
+{
+	GObjectClass *object_class = G_OBJECT_CLASS (klass);
+	NMModemClass *modem_class = NM_MODEM_CLASS (klass);
+
+	g_type_class_add_private (object_class, sizeof (NMModemBroadbandPrivate));
+
+	/* Virtual methods */
+	object_class->dispose = dispose;
+	object_class->get_property = get_property;
+	object_class->set_property = set_property;
+
+	modem_class->static_stage3_ip4_config_start = static_stage3_ip4_config_start;
+	modem_class->disconnect = disconnect;
+	modem_class->deactivate = deactivate;
+	modem_class->set_mm_enabled = set_mm_enabled;
+	modem_class->get_user_pass = get_user_pass;
+	modem_class->get_setting_name = get_setting_name;
+	modem_class->get_best_auto_connection = get_best_auto_connection;
+	modem_class->check_connection_compatible = check_connection_compatible;
+	modem_class->complete_connection = complete_connection;
+	modem_class->act_stage1_prepare = act_stage1_prepare;
+
+	/* Properties */
+	g_object_class_install_property
+		(object_class, PROP_MODEM,
+		 g_param_spec_object (NM_MODEM_BROADBAND_MODEM,
+		                      "Modem",
+		                      "Broadband modem object",
+		                      MM_GDBUS_TYPE_OBJECT,
+		                      G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
diff --git a/src/modem-manager/nm-modem-broadband.h b/src/modem-manager/nm-modem-broadband.h
new file mode 100644
index 0000000..005c385
--- /dev/null
+++ b/src/modem-manager/nm-modem-broadband.h
@@ -0,0 +1,69 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
+/* NetworkManager -- Network link manager
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Copyright (C) 2012 - Aleksander Morgado <aleksander gnu org>
+ */
+
+#ifndef NM_MODEM_BROADBAND_H
+#define NM_MODEM_BROADBAND_H
+
+#include <dbus/dbus-glib.h>
+#include <glib-object.h>
+#include "nm-modem.h"
+
+G_BEGIN_DECLS
+
+#define NM_TYPE_MODEM_BROADBAND            (nm_modem_broadband_get_type ())
+#define NM_MODEM_BROADBAND(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_MODEM_BROADBAND, NMModemBroadband))
+#define NM_MODEM_BROADBAND_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  NM_TYPE_MODEM_BROADBAND, NMModemBroadbandClass))
+#define NM_IS_MODEM_BROADBAND(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_MODEM_BROADBAND))
+#define NM_IS_MODEM_BROADBAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  NM_TYPE_MODEM_BROADBAND))
+#define NM_MODEM_BROADBAND_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  NM_TYPE_MODEM_BROADBAND, NMModemBroadbandClass))
+
+#define NM_MODEM_BROADBAND_MODEM "modem"
+
+typedef struct _NMModemBroadband        NMModemBroadband;
+typedef struct _NMModemBroadbandClass   NMModemBroadbandClass;
+typedef struct _NMModemBroadbandPrivate NMModemBroadbandPrivate;
+
+typedef enum {
+	NM_MODEM_BROADBAND_ERROR_CONNECTION_NOT_GSM,      /*< nick=ConnectionNotGsm >*/
+	NM_MODEM_BROADBAND_ERROR_CONNECTION_NOT_CDMA,     /*< nick=ConnectionNotCdma >*/
+	NM_MODEM_BROADBAND_ERROR_CONNECTION_INVALID,      /*< nick=ConnectionInvalid >*/
+	NM_MODEM_BROADBAND_ERROR_CONNECTION_INCOMPATIBLE, /*< nick=ConnectionIncompatible >*/
+} NMModemBroadbandError;
+
+struct _NMModemBroadband {
+	NMModem parent;
+	NMModemBroadbandPrivate *priv;
+};
+
+struct _NMModemBroadbandClass {
+	NMModemClass parent;
+};
+
+GType nm_modem_broadband_get_type (void);
+
+NMModem *nm_modem_broadband_new (GObject *object);
+
+void nm_modem_broadband_get_capabilities (NMModemBroadband *self,
+                                          NMDeviceModemCapabilities *modem_caps,
+                                          NMDeviceModemCapabilities *current_caps);
+
+G_END_DECLS
+
+#endif /* NM_MODEM_BROADBAND_H */
-- 
1.8.0



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