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chromium/chromiumos/third_party/modemmanager-next/e88e481ca3476acb5ecadae361d0eed9d10e6194/./src/mm-broadband-bearer.c
blob: 4c8690d7d2e6991807443f886ce0d13b6e421d34 [file]
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* 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:
*
* Copyright (C) 2008 - 2009 Novell, Inc.
* Copyright (C) 2009 - 2012 Red Hat, Inc.
* Copyright (C) 2011 - 2012 Google, Inc.
* Copyright (C) 2011 - 2013 Aleksander Morgado <aleksander@gnu.org>
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <ModemManager.h>
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include "mm-broadband-bearer.h"
#include "mm-iface-modem.h"
#include "mm-iface-modem-3gpp.h"
#include "mm-iface-modem-3gpp-profile-manager.h"
#include "mm-iface-modem-cdma.h"
#include "mm-base-modem-at.h"
#include "mm-log-object.h"
#include "mm-modem-helpers.h"
#include "mm-port-enums-types.h"
#include "mm-helper-enums-types.h"
#include "mm-bind.h"
static void async_initable_iface_init (GAsyncInitableIface *iface);
G_DEFINE_TYPE_EXTENDED (MMBroadbandBearer, mm_broadband_bearer, MM_TYPE_BASE_BEARER, 0,
G_IMPLEMENT_INTERFACE (G_TYPE_ASYNC_INITABLE,
async_initable_iface_init));
typedef enum {
CONNECTION_TYPE_NONE,
CONNECTION_TYPE_3GPP,
CONNECTION_TYPE_CDMA,
} ConnectionType;
enum {
PROP_0,
PROP_FLOW_CONTROL,
PROP_LAST
};
static GParamSpec *properties[PROP_LAST];
struct _MMBroadbandBearerPrivate {
/*-- Common stuff --*/
/* Data port used when modem is connected */
MMPort *port;
/* Current connection type */
ConnectionType connection_type;
/* PPP specific */
MMFlowControl flow_control;
/*-- 3GPP specific --*/
/* CID of the PDP context */
gint profile_id;
};
/*****************************************************************************/
/* Detailed connect context, used in both CDMA and 3GPP sequences */
typedef struct {
MMBaseModem *modem;
MMPortSerialAt *primary;
MMPortSerialAt *secondary;
MMPort *data;
gboolean close_data_on_exit;
/* 3GPP-specific */
MMBearerIpFamily ip_family;
} DetailedConnectContext;
static MMBearerConnectResult *
detailed_connect_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_pointer (G_TASK (res), error);
}
static void
detailed_connect_context_free (DetailedConnectContext *ctx)
{
g_object_unref (ctx->primary);
if (ctx->secondary)
g_object_unref (ctx->secondary);
if (ctx->data) {
if (ctx->close_data_on_exit)
mm_port_serial_close (MM_PORT_SERIAL (ctx->data));
g_object_unref (ctx->data);
}
g_object_unref (ctx->modem);
g_slice_free (DetailedConnectContext, ctx);
}
static DetailedConnectContext *
detailed_connect_context_new (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary)
{
DetailedConnectContext *ctx;
ctx = g_slice_new0 (DetailedConnectContext);
ctx->modem = MM_BASE_MODEM (g_object_ref (modem));
ctx->primary = g_object_ref (primary);
ctx->secondary = (secondary ? g_object_ref (secondary) : NULL);
ctx->ip_family = mm_bearer_properties_get_ip_type (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
mm_3gpp_normalize_ip_family (&ctx->ip_family, TRUE);
return ctx;
}
/*****************************************************************************/
/* Generic implementations (both 3GPP and CDMA) are always AT-port based */
static MMPortSerialAt *
common_get_at_data_port (MMBroadbandBearer *self,
MMBaseModem *modem,
GError **error)
{
MMPort *data;
/* Look for best data port, NULL if none available. */
data = mm_base_modem_peek_best_data_port (modem, MM_PORT_TYPE_AT);
if (!data) {
/* It may happen that the desired data port grabbed during probing was
* actually a 'net' port, which the generic logic cannot handle, so if
* that is the case, and we have no AT data ports specified, just
fallback to the primary AT port. */
data = MM_PORT (mm_base_modem_peek_port_primary (modem));
if (!data) {
g_set_error (error, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't connect: no AT data/primary port found: ");
return NULL;
}
}
g_assert (MM_IS_PORT_SERIAL_AT (data));
if (!mm_port_serial_open (MM_PORT_SERIAL (data), error)) {
g_prefix_error (error, "Couldn't connect: cannot keep data port open.");
return NULL;
}
mm_obj_dbg (self, "connection through a plain serial AT port: %s", mm_port_get_device (data));
return MM_PORT_SERIAL_AT (g_object_ref (data));
}
/*****************************************************************************/
/* CDMA CONNECT
*
* CDMA connection procedure of a bearer involves several steps:
* 1) Get data port from the modem. Default implementation will have only
* one single possible data port, but plugins may have more.
* 2) If requesting specific RM, load current.
* 2.1) If current RM different to the requested one, set the new one.
* 3) Initiate call.
*/
static void
dial_cdma_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
DetailedConnectContext *ctx;
GError *error = NULL;
MMBearerIpConfig *config;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
/* DO NOT check for cancellable here. If we got here without errors, the
* bearer is really connected and therefore we need to reflect that in
* the state machine. */
mm_base_modem_at_command_full_finish (modem, res, &error);
if (error) {
mm_obj_warn (self, "couldn't connect: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Configure flow control to use while connected */
if (self->priv->flow_control != MM_FLOW_CONTROL_NONE) {
gchar *flow_control_str;
flow_control_str = mm_flow_control_build_string_from_mask (self->priv->flow_control);
mm_obj_dbg (self, "setting flow control in %s: %s", mm_port_get_device (ctx->data), flow_control_str);
g_free (flow_control_str);
if (!mm_port_serial_set_flow_control (MM_PORT_SERIAL (ctx->data), self->priv->flow_control, &error)) {
mm_obj_warn (self, "couldn't set flow control settings in %s: %s", mm_port_get_device (ctx->data), error->message);
g_clear_error (&error);
}
}
/* The ATD command has succeeded, and therefore the TTY is in data mode now.
* Instead of waiting for setting the port as connected later in
* connect_succeeded(), we do it right away so that we stop our polling. */
mm_port_set_connected (ctx->data, TRUE);
/* Keep port open during connection */
ctx->close_data_on_exit = FALSE;
/* Generic CDMA connections are done over PPP always */
g_assert (MM_IS_PORT_SERIAL_AT (ctx->data));
config = mm_bearer_ip_config_new ();
mm_bearer_ip_config_set_method (config, MM_BEARER_IP_METHOD_PPP);
/* Assume only IPv4 is given */
g_task_return_pointer (
task,
mm_bearer_connect_result_new (ctx->data, config, NULL),
(GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
g_object_unref (config);
}
static void
cdma_connect_context_dial (GTask *task)
{
DetailedConnectContext *ctx;
ctx = g_task_get_task_data (task);
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->data),
"DT#777",
MM_BASE_BEARER_DEFAULT_CONNECTION_TIMEOUT,
FALSE,
FALSE,
NULL,
(GAsyncReadyCallback)dial_cdma_ready,
task);
}
static void
set_rm_protocol_ready (MMBaseModem *self,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
/* If cancelled, complete */
if (g_task_return_error_if_cancelled (task)) {
g_object_unref (task);
return;
}
mm_base_modem_at_command_full_finish (self, res, &error);
if (error) {
mm_obj_warn (self, "couldn't set RM protocol: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Nothing else needed, go on with dialing */
cdma_connect_context_dial (task);
}
static void
current_rm_protocol_ready (MMBaseModem *self,
GAsyncResult *res,
GTask *task)
{
const gchar *result;
GError *error = NULL;
guint current_index;
MMModemCdmaRmProtocol current_rm;
/* If cancelled, complete */
if (g_task_return_error_if_cancelled (task)) {
g_object_unref (task);
return;
}
result = mm_base_modem_at_command_full_finish (self, res, &error);
if (error) {
mm_obj_warn (self, "couldn't query current RM protocol: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
result = mm_strip_tag (result, "+CRM:");
current_index = (guint) atoi (result);
current_rm = mm_cdma_get_rm_protocol_from_index (current_index, &error);
if (error) {
mm_obj_warn (self, "couldn't parse RM protocol reply (%s): %s", result, error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
if (current_rm != mm_bearer_properties_get_rm_protocol (mm_base_bearer_peek_config (MM_BASE_BEARER (self)))) {
DetailedConnectContext *ctx;
guint new_index;
gchar *command;
mm_obj_dbg (self, "setting requested RM protocol...");
new_index = (mm_cdma_get_index_from_rm_protocol (
mm_bearer_properties_get_rm_protocol (mm_base_bearer_peek_config (MM_BASE_BEARER (self))),
&error));
if (error) {
mm_obj_warn (self, "cannot set RM protocol: %s", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
ctx = g_task_get_task_data (task);
command = g_strdup_printf ("+CRM=%u", new_index);
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
command,
3,
FALSE,
FALSE,
NULL,
(GAsyncReadyCallback)set_rm_protocol_ready,
task);
g_free (command);
return;
}
/* Nothing else needed, go on with dialing */
cdma_connect_context_dial (task);
}
static void
connect_cdma (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary, /* unused by us */
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedConnectContext *ctx;
GTask *task;
GError *error = NULL;
g_assert (primary != NULL);
ctx = detailed_connect_context_new (self, modem, primary, NULL);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)detailed_connect_context_free);
/* Grab dial port. This gets a reference to the dial port and OPENs it.
* If we fail, we'll need to close it ourselves. */
ctx->data = MM_PORT (common_get_at_data_port (self, ctx->modem, &error));
if (!ctx->data) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
ctx->close_data_on_exit = TRUE;
if (mm_bearer_properties_get_rm_protocol (
mm_base_bearer_peek_config (MM_BASE_BEARER (self))) !=
MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN) {
/* Need to query current RM protocol */
mm_obj_dbg (self, "querying current RM protocol set...");
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
"+CRM?",
3,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)current_rm_protocol_ready,
task);
return;
}
/* Nothing else needed, go on with dialing */
cdma_connect_context_dial (task);
}
/*****************************************************************************/
/* 3GPP Dialing (sub-step of the 3GPP Connection sequence) */
typedef struct {
MMBaseModem *modem;
MMPortSerialAt *primary;
GError *saved_error;
MMPortSerialAt *dial_port;
gboolean close_dial_port_on_exit;
} Dial3gppContext;
static void
dial_3gpp_context_free (Dial3gppContext *ctx)
{
if (ctx->saved_error)
g_error_free (ctx->saved_error);
if (ctx->dial_port)
g_object_unref (ctx->dial_port);
g_object_unref (ctx->primary);
g_object_unref (ctx->modem);
g_slice_free (Dial3gppContext, ctx);
}
static MMPort *
dial_3gpp_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_pointer (G_TASK (res), error);
}
static void
extended_error_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
Dial3gppContext *ctx;
const gchar *result;
GError *error = NULL;
ctx = g_task_get_task_data (task);
/* Close the dialling port as we got an error */
mm_port_serial_close (MM_PORT_SERIAL (ctx->dial_port));
/* If cancelled, complete */
if (g_task_return_error_if_cancelled (task)) {
g_object_unref (task);
return;
}
result = mm_base_modem_at_command_full_finish (modem, res, NULL);
if (result &&
g_str_has_prefix (result, "+CEER: ") &&
strlen (result) > 7) {
error = g_error_new (ctx->saved_error->domain,
ctx->saved_error->code,
"%s",
&result[7]);
g_error_free (ctx->saved_error);
} else
g_propagate_error (&error, ctx->saved_error);
ctx->saved_error = NULL;
/* Done with errors */
g_task_return_error (task, error);
g_object_unref (task);
}
static void
atd_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
Dial3gppContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
/* DO NOT check for cancellable here. If we got here without errors, the
* bearer is really connected and therefore we need to reflect that in
* the state machine. */
mm_base_modem_at_command_full_finish (modem, res, &ctx->saved_error);
if (ctx->saved_error) {
/* Try to get more information why it failed */
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
"+CEER",
3,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)extended_error_ready,
task);
return;
}
/* Configure flow control to use while connected */
if (self->priv->flow_control != MM_FLOW_CONTROL_NONE) {
gchar *flow_control_str;
GError *error = NULL;
flow_control_str = mm_flow_control_build_string_from_mask (self->priv->flow_control);
mm_obj_dbg (self, "setting flow control in %s: %s", mm_port_get_device (MM_PORT (ctx->dial_port)), flow_control_str);
g_free (flow_control_str);
if (!mm_port_serial_set_flow_control (MM_PORT_SERIAL (ctx->dial_port), self->priv->flow_control, &error)) {
mm_obj_warn (self, "couldn't set flow control settings in %s: %s", mm_port_get_device (MM_PORT (ctx->dial_port)), error->message);
g_clear_error (&error);
}
}
/* The ATD command has succeeded, and therefore the TTY is in data mode now.
* Instead of waiting for setting the port as connected later in
* connect_succeeded(), we do it right away so that we stop our polling. */
mm_port_set_connected (MM_PORT (ctx->dial_port), TRUE);
g_task_return_pointer (task,
g_object_ref (ctx->dial_port),
g_object_unref);
g_object_unref (task);
}
static void
dial_3gpp (MMBroadbandBearer *self,
MMBaseModem *modem,
MMPortSerialAt *primary,
guint cid,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
gchar *command;
Dial3gppContext *ctx;
GTask *task;
GError *error = NULL;
g_assert (primary != NULL);
ctx = g_slice_new0 (Dial3gppContext);
ctx->modem = g_object_ref (modem);
ctx->primary = g_object_ref (primary);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)dial_3gpp_context_free);
/* Grab dial port. This gets a reference to the dial port and OPENs it.
* If we fail, we'll need to close it ourselves. */
ctx->dial_port = common_get_at_data_port (self, ctx->modem, &error);
if (!ctx->dial_port) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Use default *99 to connect */
command = g_strdup_printf ("ATD*99***%d#", cid);
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->dial_port),
command,
MM_BASE_BEARER_DEFAULT_CONNECTION_TIMEOUT,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)atd_ready,
task);
g_free (command);
}
/*****************************************************************************/
/* 3GPP cid selection (sub-step of the 3GPP Connection sequence) */
typedef struct {
MMBaseModem *modem;
GCancellable *cancellable;
gint profile_id;
} SelectProfile3gppContext;
static void
select_profile_3gpp_context_free (SelectProfile3gppContext *ctx)
{
g_object_unref (ctx->modem);
g_object_unref (ctx->cancellable);
g_slice_free (SelectProfile3gppContext, ctx);
}
static gint
select_profile_3gpp_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
gint profile_id;
/* returns -1 on failure */
profile_id = (gint) g_task_propagate_int (G_TASK (res), error);
return (profile_id < 0) ? MM_3GPP_PROFILE_ID_UNKNOWN : profile_id;
}
static void
select_profile_3gpp_set_profile_ready (MMIfaceModem3gppProfileManager *modem,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
g_autoptr(MM3gppProfile) profile = NULL;
profile = mm_iface_modem_3gpp_profile_manager_set_profile_finish (modem, res, &error);
if (!profile)
g_task_return_error (task, error);
else
g_task_return_int (task, mm_3gpp_profile_get_profile_id (profile));
g_object_unref (task);
}
static void
select_profile_3gpp_get_profile_ready (MMIfaceModem3gppProfileManager *modem,
GAsyncResult *res,
GTask *task)
{
SelectProfile3gppContext *ctx;
GError *error = NULL;
g_autoptr(MM3gppProfile) profile = NULL;
ctx = g_task_get_task_data (task);
profile = mm_iface_modem_3gpp_profile_manager_get_profile_finish (modem, res, &error);
if (!profile)
g_task_return_error (task, error);
else if (!mm_3gpp_profile_get_enabled (profile)) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Profile '%d' is internally disabled",
ctx->profile_id);
} else
g_task_return_int (task, ctx->profile_id);
g_object_unref (task);
}
static void
select_profile_3gpp (MMBroadbandBearer *self,
MMBaseModem *modem,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
SelectProfile3gppContext *ctx;
MMBearerProperties *bearer_properties;
task = g_task_new (self, cancellable, callback, user_data);
ctx = g_slice_new0 (SelectProfile3gppContext);
ctx->modem = g_object_ref (modem);
ctx->cancellable = g_object_ref (cancellable);
bearer_properties = mm_base_bearer_peek_config (MM_BASE_BEARER (self));
ctx->profile_id = mm_bearer_properties_get_profile_id (bearer_properties);
g_task_set_task_data (task, ctx, (GDestroyNotify)select_profile_3gpp_context_free);
if (ctx->profile_id == MM_3GPP_PROFILE_ID_UNKNOWN) {
mm_iface_modem_3gpp_profile_manager_set_profile (
MM_IFACE_MODEM_3GPP_PROFILE_MANAGER (modem),
mm_bearer_properties_peek_3gpp_profile (bearer_properties),
"profile-id",
FALSE, /* not strict! */
(GAsyncReadyCallback)select_profile_3gpp_set_profile_ready,
task);
return;
}
mm_iface_modem_3gpp_profile_manager_get_profile (
MM_IFACE_MODEM_3GPP_PROFILE_MANAGER (modem),
ctx->profile_id,
(GAsyncReadyCallback)select_profile_3gpp_get_profile_ready,
task);
}
/*****************************************************************************/
/* 3GPP CONNECT
*
* 3GPP connection procedure of a bearer involves several steps:
* 1) Get data port from the modem. Default implementation will have only
* one single possible data port, but plugins may have more.
* 2) Decide which PDP context to use
* 2.1) Look for an already existing PDP context with the same APN.
* 2.2) If none found with the same APN, try to find a PDP context without any
* predefined APN.
* 2.3) If none found, look for the highest available CID, and use that one.
* 3) Activate PDP context.
* 4) Initiate call.
*/
static void
get_ip_config_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
DetailedConnectContext *ctx;
GError *error = NULL;
g_autoptr(MMBearerConnectResult) result = NULL;
g_autoptr(MMBearerIpConfig) ipv4_config = NULL;
g_autoptr(MMBearerIpConfig) ipv6_config = NULL;
ctx = g_task_get_task_data (task);
if (!MM_BROADBAND_BEARER_GET_CLASS (self)->get_ip_config_3gpp_finish (self, res,
&ipv4_config, &ipv6_config,
&error)) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Keep port open during connection */
if (MM_IS_PORT_SERIAL_AT (ctx->data))
ctx->close_data_on_exit = FALSE;
result = mm_bearer_connect_result_new (ctx->data, ipv4_config, ipv6_config);
mm_bearer_connect_result_set_profile_id (result, self->priv->profile_id);
g_task_return_pointer (task, g_steal_pointer (&result), (GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
}
static void
dial_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
DetailedConnectContext *ctx;
MMBearerIpMethod ip_method = MM_BEARER_IP_METHOD_UNKNOWN;
GError *error = NULL;
g_autoptr(MMBearerConnectResult) result = NULL;
g_autoptr(MMBearerIpConfig) ipv4_config = NULL;
g_autoptr(MMBearerIpConfig) ipv6_config = NULL;
ctx = g_task_get_task_data (task);
ctx->data = MM_BROADBAND_BEARER_GET_CLASS (self)->dial_3gpp_finish (self, res, &error);
if (!ctx->data) {
/* Clear CID when it failed to connect. */
self->priv->profile_id = MM_3GPP_PROFILE_ID_UNKNOWN;
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* If the dialling operation used an AT port, it is assumed to have an extra
* open() count. */
if (MM_IS_PORT_SERIAL_AT (ctx->data))
ctx->close_data_on_exit = TRUE;
if (MM_BROADBAND_BEARER_GET_CLASS (self)->get_ip_config_3gpp &&
MM_BROADBAND_BEARER_GET_CLASS (self)->get_ip_config_3gpp_finish) {
/* Launch specific IP config retrieval */
MM_BROADBAND_BEARER_GET_CLASS (self)->get_ip_config_3gpp (
self,
MM_BROADBAND_MODEM (ctx->modem),
ctx->primary,
ctx->secondary,
ctx->data,
(guint)self->priv->profile_id,
ctx->ip_family,
(GAsyncReadyCallback)get_ip_config_3gpp_ready,
task);
return;
}
/* Yuhu! */
/* Keep port open during connection */
if (MM_IS_PORT_SERIAL_AT (ctx->data))
ctx->close_data_on_exit = FALSE;
/* If no specific IP retrieval requested, set the default implementation
* (PPP if data port is AT, DHCP otherwise) */
ip_method = MM_IS_PORT_SERIAL_AT (ctx->data) ?
MM_BEARER_IP_METHOD_PPP :
MM_BEARER_IP_METHOD_DHCP;
if (ctx->ip_family & MM_BEARER_IP_FAMILY_IPV4 ||
ctx->ip_family & MM_BEARER_IP_FAMILY_IPV4V6) {
ipv4_config = mm_bearer_ip_config_new ();
mm_bearer_ip_config_set_method (ipv4_config, ip_method);
}
if (ctx->ip_family & MM_BEARER_IP_FAMILY_IPV6 ||
ctx->ip_family & MM_BEARER_IP_FAMILY_IPV4V6) {
ipv6_config = mm_bearer_ip_config_new ();
mm_bearer_ip_config_set_method (ipv6_config, ip_method);
}
g_assert (ipv4_config || ipv6_config);
result = mm_bearer_connect_result_new (ctx->data, ipv4_config, ipv6_config);
mm_bearer_connect_result_set_profile_id (result, self->priv->profile_id);
g_task_return_pointer (task, g_steal_pointer (&result), (GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
}
static void
select_profile_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
DetailedConnectContext *ctx;
GError *error = NULL;
ctx = g_task_get_task_data (task);
/* Keep CID around after initializing the PDP context in order to
* handle corresponding unsolicited PDP activation responses. */
self->priv->profile_id = select_profile_3gpp_finish (self, res, &error);
if (self->priv->profile_id == MM_3GPP_PROFILE_ID_UNKNOWN) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
MM_BROADBAND_BEARER_GET_CLASS (self)->dial_3gpp (self,
ctx->modem,
ctx->primary,
(guint) self->priv->profile_id,
g_task_get_cancellable (task),
(GAsyncReadyCallback) dial_3gpp_ready,
task);
}
static void
connect_3gpp (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedConnectContext *ctx;
GTask *task;
g_assert (primary != NULL);
/* Clear CID on every connection attempt */
self->priv->profile_id = MM_3GPP_PROFILE_ID_UNKNOWN;
ctx = detailed_connect_context_new (self, modem, primary, secondary);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)detailed_connect_context_free);
select_profile_3gpp (self,
ctx->modem,
cancellable,
(GAsyncReadyCallback)select_profile_3gpp_ready,
task);
}
/*****************************************************************************/
/* CONNECT */
static MMBearerConnectResult *
connect_finish (MMBaseBearer *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_pointer (G_TASK (res), error);
}
static void
connect_succeeded (GTask *task,
ConnectionType connection_type,
MMBearerConnectResult *result)
{
MMBroadbandBearer *self;
self = g_task_get_source_object (task);
/* Keep connected port and type of connection */
self->priv->port = g_object_ref (mm_bearer_connect_result_peek_data (result));
self->priv->connection_type = connection_type;
/* Save profile ID for 3GPP connections. This is required for cases where
* the standard profile selection of this class is not executed during
* connection, e.g. if a derived class implements their own connect_3gpp. */
self->priv->profile_id = mm_bearer_connect_result_get_profile_id (result);
/* Port is connected; update the state. For ATD based connections, the port
* may already be set as connected, but no big deal. */
mm_port_set_connected (self->priv->port, TRUE);
/* Set operation result */
g_task_return_pointer (task,
result,
(GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
}
static void
connect_cdma_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
MMBearerConnectResult *result;
GError *error = NULL;
result = MM_BROADBAND_BEARER_GET_CLASS (self)->connect_cdma_finish (self, res, &error);
if (!result) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* take result */
connect_succeeded (task, CONNECTION_TYPE_CDMA, result);
}
static void
connect_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
MMBearerConnectResult *result;
GError *error = NULL;
result = MM_BROADBAND_BEARER_GET_CLASS (self)->connect_3gpp_finish (self, res, &error);
if (!result) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* take result */
connect_succeeded (task, CONNECTION_TYPE_3GPP, result);
}
static void
connect (MMBaseBearer *self,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMPortSerialAt *primary;
const gchar *apn;
gint profile_id;
MMBearerMultiplexSupport multiplex;
GTask *task;
g_autoptr(MMBaseModem) modem = NULL;
task = g_task_new (self, cancellable, callback, user_data);
/* Don't try to connect if already connected */
if (MM_BROADBAND_BEARER (self)->priv->port) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_CONNECTED,
"Couldn't connect: this bearer is already connected");
g_object_unref (task);
return;
}
/* Get the owner modem object */
g_object_get (self,
MM_BASE_BEARER_MODEM, &modem,
NULL);
g_assert (modem != NULL);
/* We will launch the ATD call in the primary port... */
primary = mm_base_modem_peek_port_primary (modem);
if (!primary) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_CONNECTED,
"Couldn't connect: couldn't get primary port");
g_object_unref (task);
return;
}
/* ...only if not already connected */
if (mm_port_get_connected (MM_PORT (primary))) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_CONNECTED,
"Couldn't connect: primary AT port is already connected");
g_object_unref (task);
return;
}
/* Default bearer connection logic
*
* 1) 3GPP-only modem:
* 1a) If no profile id or APN given, error.
* 1b) If APN or profile id given, run 3GPP connection logic.
* 1c) If APN given, but empty (""), run 3GPP connection logic and try
* to use default subscription APN.
*
* 2) 3GPP2-only modem:
* 2a) If no APN or profile id given, run CDMA connection logic.
* 2b) If APN or profile id given, error.
*
* 3) 3GPP and 3GPP2 modem:
* 3a) If no profile id or APN given, run CDMA connection logic.
* 3b) If APN given, run 3GPP connection logic.
* 3c) If APN given, but empty (""), run 3GPP connection logic and try
* to use default subscription APN.
*/
/* Check whether we have an APN */
apn = mm_bearer_properties_get_apn (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
profile_id = mm_bearer_properties_get_profile_id (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
/* Is this a 3GPP only modem and no APN or profile id was given? If so, error */
if (mm_iface_modem_is_3gpp_only (MM_IFACE_MODEM (modem)) &&
!apn && (profile_id == MM_3GPP_PROFILE_ID_UNKNOWN)) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"3GPP connection logic requires APN or profile id setting");
g_object_unref (task);
return;
}
/* Is this a 3GPP2 only modem and APN or profile id was given? If so, error */
if (mm_iface_modem_is_cdma_only (MM_IFACE_MODEM (modem)) &&
(apn || (profile_id != MM_3GPP_PROFILE_ID_UNKNOWN))) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"3GPP2 doesn't support APN or profile id setting");
g_object_unref (task);
return;
}
/* If no multiplex setting given by the user, assume none (which is the only
* supported mode anyway) */
multiplex = mm_bearer_properties_get_multiplex (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
if (multiplex == MM_BEARER_MULTIPLEX_SUPPORT_UNKNOWN)
multiplex = MM_BEARER_MULTIPLEX_SUPPORT_NONE;
/* The generic broadband bearer doesn't support multiplexing */
if (multiplex == MM_BEARER_MULTIPLEX_SUPPORT_REQUIRED) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"Multiplexing required but not supported");
g_object_unref (task);
return;
}
/* If the modem has 3GPP capabilities and an APN, launch 3GPP-based connection */
if (mm_iface_modem_is_3gpp (MM_IFACE_MODEM (modem)) &&
(apn || (profile_id != MM_3GPP_PROFILE_ID_UNKNOWN))) {
mm_obj_dbg (self, "launching 3GPP connection attempt");
MM_BROADBAND_BEARER_GET_CLASS (self)->connect_3gpp (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
primary,
mm_base_modem_peek_port_secondary (modem),
cancellable,
(GAsyncReadyCallback) connect_3gpp_ready,
task);
return;
}
/* Otherwise, launch CDMA-specific connection. */
if (mm_iface_modem_is_cdma (MM_IFACE_MODEM (modem)) &&
!apn && (profile_id == MM_3GPP_PROFILE_ID_UNKNOWN)) {
mm_obj_dbg (self, "launching 3GPP2 connection attempt");
MM_BROADBAND_BEARER_GET_CLASS (self)->connect_cdma (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
primary,
mm_base_modem_peek_port_secondary (modem),
cancellable,
(GAsyncReadyCallback) connect_cdma_ready,
task);
return;
}
g_assert_not_reached ();
}
/*****************************************************************************/
/* Detailed disconnect context, used in both CDMA and 3GPP sequences */
typedef struct {
MMBaseModem *modem;
MMPortSerialAt *primary;
MMPortSerialAt *secondary;
MMPort *data;
/* 3GPP-specific */
gchar *cgact_command;
gboolean cgact_sent;
} DetailedDisconnectContext;
static gboolean
detailed_disconnect_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
detailed_disconnect_context_free (DetailedDisconnectContext *ctx)
{
g_free (ctx->cgact_command);
g_object_unref (ctx->data);
g_object_unref (ctx->primary);
if (ctx->secondary)
g_object_unref (ctx->secondary);
g_object_unref (ctx->modem);
g_free (ctx);
}
static DetailedDisconnectContext *
detailed_disconnect_context_new (MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary,
MMPort *data)
{
DetailedDisconnectContext *ctx;
ctx = g_new0 (DetailedDisconnectContext, 1);
ctx->modem = MM_BASE_MODEM (g_object_ref (modem));
ctx->primary = g_object_ref (primary);
ctx->secondary = (secondary ? g_object_ref (secondary) : NULL);
ctx->data = g_object_ref (data);
return ctx;
}
/*****************************************************************************/
/* CDMA disconnect */
static void
data_flash_cdma_ready (MMPortSerial *data,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
GError *error = NULL;
self = g_task_get_source_object (task);
mm_port_serial_flash_finish (data, res, &error);
/* We kept the serial port open during connection, now we close that open
* count */
mm_port_serial_close (data);
/* Port is disconnected; update the state */
mm_port_set_connected (MM_PORT (data), FALSE);
if (error) {
/* Ignore "NO CARRIER" response when modem disconnects and any flash
* failures we might encounter. Other errors are hard errors.
*/
if (!g_error_matches (error,
MM_CONNECTION_ERROR,
MM_CONNECTION_ERROR_NO_CARRIER) &&
!g_error_matches (error,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_FLASH_FAILED)) {
/* Fatal */
g_task_return_error (task, error);
g_object_unref (task);
return;
}
mm_obj_dbg (self, "port flashing failed (not fatal): %s", error->message);
g_error_free (error);
}
/* Run init port sequence in the data port */
mm_port_serial_at_run_init_sequence (MM_PORT_SERIAL_AT (data));
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
data_reopen_cdma_ready (MMPortSerial *data,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
DetailedDisconnectContext *ctx;
GError *error = NULL;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
g_object_set (data, MM_PORT_SERIAL_AT_INIT_SEQUENCE_ENABLED, TRUE, NULL);
if (!mm_port_serial_reopen_finish (data, res, &error)) {
/* Fatal */
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Just flash the data port */
mm_obj_dbg (self, "flashing data port %s...", mm_port_get_device (MM_PORT (ctx->data)));
mm_port_serial_flash (MM_PORT_SERIAL (ctx->data),
1000,
TRUE,
(GAsyncReadyCallback)data_flash_cdma_ready,
task);
}
static void
disconnect_cdma (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary,
MMPort *data,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedDisconnectContext *ctx;
GTask *task;
g_assert (primary != NULL);
/* Generic CDMA plays only with SERIAL data ports */
g_assert (MM_IS_PORT_SERIAL (data));
ctx = detailed_disconnect_context_new (modem, primary, secondary, data);
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)detailed_disconnect_context_free);
/* We don't want to run init sequence right away during the reopen, as we're
* going to flash afterwards. */
g_object_set (data, MM_PORT_SERIAL_AT_INIT_SEQUENCE_ENABLED, FALSE, NULL);
/* Fully reopen the port before flashing */
mm_obj_dbg (self, "reopening data port %s...", mm_port_get_device (MM_PORT (ctx->data)));
mm_port_serial_reopen (MM_PORT_SERIAL (ctx->data),
1000,
(GAsyncReadyCallback)data_reopen_cdma_ready,
task);
}
/*****************************************************************************/
/* 3GPP disconnect */
static void
cgact_data_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
GError *error = NULL;
self = g_task_get_source_object (task);
/* Ignore errors for now */
mm_base_modem_at_command_full_finish (modem, res, &error);
if (error) {
mm_obj_dbg (self, "PDP context deactivation failed (not fatal): %s", error->message);
g_error_free (error);
}
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
data_flash_3gpp_ready (MMPortSerial *data,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
DetailedDisconnectContext *ctx;
GError *error = NULL;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
mm_port_serial_flash_finish (data, res, &error);
/* We kept the serial port open during connection, now we close that open
* count */
mm_port_serial_close (data);
/* Port is disconnected; update the state */
mm_port_set_connected (MM_PORT (data), FALSE);
if (error) {
/* Ignore "NO CARRIER" response when modem disconnects and any flash
* failures we might encounter. Other errors are hard errors.
*/
if (!g_error_matches (error,
MM_CONNECTION_ERROR,
MM_CONNECTION_ERROR_NO_CARRIER) &&
!g_error_matches (error,
MM_SERIAL_ERROR,
MM_SERIAL_ERROR_FLASH_FAILED)) {
/* Fatal */
g_task_return_error (task, error);
g_object_unref (task);
return;
}
mm_obj_dbg (self, "port flashing failed (not fatal): %s", error->message);
g_error_free (error);
}
/* Run init port sequence in the data port */
mm_port_serial_at_run_init_sequence (MM_PORT_SERIAL_AT (data));
/* Don't bother doing the CGACT again if it was already done on the
* primary or secondary port */
if (ctx->cgact_sent) {
mm_obj_dbg (self, "PDP disconnection already sent");
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
/* Send another CGACT on the primary port (also the data port when the modem
* only has one serial port) if the previous one failed. Some modems, like
* the Huawei E173 (fw 11.126.15.00.445) stop responding on their primary
* port when the CGACT is sent on the separate data port.
*/
if (MM_PORT_SERIAL (ctx->primary) == data)
mm_obj_dbg (self, "sending PDP context deactivation in primary/data port...");
else
mm_obj_dbg (self, "sending PDP context deactivation in primary port again...");
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
ctx->cgact_command,
10,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)cgact_data_ready,
task);
}
static void
data_reopen_3gpp_ready (MMPortSerial *data,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
DetailedDisconnectContext *ctx;
GError *error = NULL;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
g_object_set (data, MM_PORT_SERIAL_AT_INIT_SEQUENCE_ENABLED, TRUE, NULL);
if (!mm_port_serial_reopen_finish (data, res, &error)) {
/* Fatal */
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Just flash the data port */
mm_obj_dbg (self, "flashing data port %s...", mm_port_get_device (MM_PORT (ctx->data)));
mm_port_serial_flash (MM_PORT_SERIAL (ctx->data),
1000,
TRUE,
(GAsyncReadyCallback)data_flash_3gpp_ready,
task);
}
static void
data_reopen_3gpp (GTask *task)
{
MMBroadbandBearer *self;
DetailedDisconnectContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
/* We don't want to run init sequence right away during the reopen, as we're
* going to flash afterwards. */
g_object_set (ctx->data, MM_PORT_SERIAL_AT_INIT_SEQUENCE_ENABLED, FALSE, NULL);
/* Fully reopen the port before flashing */
mm_obj_dbg (self, "reopening data port %s...", mm_port_get_device (MM_PORT (ctx->data)));
mm_port_serial_reopen (MM_PORT_SERIAL (ctx->data),
1000,
(GAsyncReadyCallback)data_reopen_3gpp_ready,
task);
}
static void
cgact_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
DetailedDisconnectContext *ctx;
GError *error = NULL;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
mm_base_modem_at_command_full_finish (modem, res, &error);
if (!error)
ctx->cgact_sent = TRUE;
else {
mm_obj_dbg (self, "PDP context deactivation failed (not fatal): %s", error->message);
g_error_free (error);
}
data_reopen_3gpp (task);
}
static void
disconnect_3gpp (MMBroadbandBearer *self,
MMBroadbandModem *modem,
MMPortSerialAt *primary,
MMPortSerialAt *secondary,
MMPort *data,
guint cid,
GAsyncReadyCallback callback,
gpointer user_data)
{
DetailedDisconnectContext *ctx;
GTask *task;
g_assert (primary != NULL);
/* Generic 3GPP plays only with SERIAL data ports */
g_assert (MM_IS_PORT_SERIAL (data));
ctx = detailed_disconnect_context_new (modem, primary, secondary, data);
/* If no specific CID was used, disable all PDP contexts */
ctx->cgact_command = (cid > 0 ?
g_strdup_printf ("+CGACT=0,%d", cid) :
g_strdup_printf ("+CGACT=0"));
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)detailed_disconnect_context_free);
/* If the primary port is NOT connected (doesn't have to be the data port),
* we'll send CGACT there */
if (!mm_port_get_connected (MM_PORT (ctx->primary))) {
mm_obj_dbg (self, "sending PDP context deactivation in primary port...");
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
ctx->cgact_command,
45,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)cgact_ready,
task);
return;
}
/* If the primary port is connected, then try sending the PDP
* context deactivation on the secondary port because not all modems will
* respond to flashing (since either the modem or the kernel's serial
* driver doesn't support it).
*/
if (ctx->secondary) {
mm_obj_dbg (self, "sending PDP context deactivation in secondary port...");
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->secondary),
ctx->cgact_command,
45,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)cgact_ready,
task);
return;
}
/* If no secondary port, go on to reopen & flash the data/primary port */
data_reopen_3gpp (task);
}
/*****************************************************************************/
/* DISCONNECT */
static gboolean
disconnect_finish (MMBaseBearer *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
reset_bearer_connection (MMBroadbandBearer *self)
{
if (self->priv->port) {
/* Port is disconnected; update the state. Note: implementations may
* already have set the port as disconnected (e.g the 3GPP one) */
mm_port_set_connected (self->priv->port, FALSE);
/* Clear data port */
g_clear_object (&self->priv->port);
}
/* Reset current connection type */
self->priv->connection_type = CONNECTION_TYPE_NONE;
}
static void
disconnect_cdma_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
if (!MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_cdma_finish (self,
res,
&error))
g_task_return_error (task, error);
else {
/* Cleanup all connection related data */
reset_bearer_connection (self);
g_task_return_boolean (task, TRUE);
}
g_object_unref (task);
}
static void
disconnect_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
if (!MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_3gpp_finish (self,
res,
&error))
g_task_return_error (task, error);
else {
/* Clear CID if we got any set */
self->priv->profile_id = MM_3GPP_PROFILE_ID_UNKNOWN;
/* Cleanup all connection related data */
reset_bearer_connection (self);
g_task_return_boolean (task, TRUE);
}
g_object_unref (task);
}
static void
disconnect (MMBaseBearer *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMPortSerialAt *primary;
MMBaseModem *modem = NULL;
GTask *task;
task = g_task_new (self, NULL, callback, user_data);
if (!MM_BROADBAND_BEARER (self)->priv->port) {
mm_obj_dbg (self, "no need to disconnect: bearer is already disconnected");
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
g_object_get (self,
MM_BASE_BEARER_MODEM, &modem,
NULL);
g_assert (modem != NULL);
/* We need the primary port to disconnect... */
primary = mm_base_modem_peek_port_primary (modem);
if (!primary) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't disconnect: couldn't get primary port");
g_object_unref (task);
g_object_unref (modem);
return;
}
switch (MM_BROADBAND_BEARER (self)->priv->connection_type) {
case CONNECTION_TYPE_3GPP:
MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_3gpp (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
primary,
mm_base_modem_peek_port_secondary (modem),
MM_BROADBAND_BEARER (self)->priv->port,
(guint)MM_BROADBAND_BEARER (self)->priv->profile_id,
(GAsyncReadyCallback) disconnect_3gpp_ready,
task);
break;
case CONNECTION_TYPE_CDMA:
MM_BROADBAND_BEARER_GET_CLASS (self)->disconnect_cdma (
MM_BROADBAND_BEARER (self),
MM_BROADBAND_MODEM (modem),
primary,
mm_base_modem_peek_port_secondary (modem),
MM_BROADBAND_BEARER (self)->priv->port,
(GAsyncReadyCallback) disconnect_cdma_ready,
task);
break;
case CONNECTION_TYPE_NONE:
default:
g_assert_not_reached ();
}
g_object_unref (modem);
}
/*****************************************************************************/
/* Connection status monitoring */
static MMBearerConnectionStatus
load_connection_status_finish (MMBaseBearer *bearer,
GAsyncResult *res,
GError **error)
{
GError *inner_error = NULL;
gssize value;
value = g_task_propagate_int (G_TASK (res), &inner_error);
if (inner_error) {
g_propagate_error (error, inner_error);
return MM_BEARER_CONNECTION_STATUS_UNKNOWN;
}
return (MMBearerConnectionStatus)value;
}
static void
cgact_periodic_query_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandBearer *self;
const gchar *response;
GError *error = NULL;
GList *pdp_active_list = NULL;
GList *l;
MMBearerConnectionStatus status = MM_BEARER_CONNECTION_STATUS_UNKNOWN;
self = MM_BROADBAND_BEARER (g_task_get_source_object (task));
response = mm_base_modem_at_command_finish (modem, res, &error);
if (response)
pdp_active_list = mm_3gpp_parse_cgact_read_response (response, &error);
if (error) {
g_assert (!pdp_active_list);
g_prefix_error (&error, "Couldn't check current list of active PDP contexts: ");
g_task_return_error (task, error);
g_object_unref (task);
return;
}
for (l = pdp_active_list; l; l = g_list_next (l)) {
MM3gppPdpContextActive *pdp_active;
/* Just assume the first active PDP context found is the one we're looking for. */
pdp_active = (MM3gppPdpContextActive *)(l->data);
if (pdp_active->cid == (guint)self->priv->profile_id) {
status = (pdp_active->active ? MM_BEARER_CONNECTION_STATUS_CONNECTED : MM_BEARER_CONNECTION_STATUS_DISCONNECTED);
break;
}
}
mm_3gpp_pdp_context_active_list_free (pdp_active_list);
/* PDP context not found? This shouldn't happen, error out */
if (status == MM_BEARER_CONNECTION_STATUS_UNKNOWN)
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"PDP context not found in the known contexts list");
else
g_task_return_int (task, (gssize) status);
g_object_unref (task);
}
static void
load_connection_status (MMBaseBearer *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
g_autoptr(MMBaseModem) modem = NULL;
MMIfacePortAt *port;
task = g_task_new (self, NULL, callback, user_data);
g_object_get (MM_BASE_BEARER (self),
MM_BASE_BEARER_MODEM, &modem,
NULL);
/* No connection status checks on CDMA-only */
if (MM_BROADBAND_BEARER (self)->priv->connection_type == CONNECTION_TYPE_CDMA) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"Couldn't load connection status: unsupported in CDMA");
g_object_unref (task);
return;
}
/* If CID not defined, error out */
if (MM_BROADBAND_BEARER (self)->priv->profile_id == MM_3GPP_PROFILE_ID_UNKNOWN) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_FAILED,
"Couldn't load connection status: cid not defined");
g_object_unref (task);
return;
}
/* If no control port available, error out */
port = mm_base_modem_peek_best_at_port (modem, NULL);
if (!port) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"Couldn't load connection status: no control port available");
g_object_unref (task);
return;
}
mm_base_modem_at_command_full (MM_BASE_MODEM (modem),
port,
"+CGACT?",
3,
FALSE, /* allow cached */
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback) cgact_periodic_query_ready,
task);
}
/*****************************************************************************/
static void
report_connection_status (MMBaseBearer *self,
MMBearerConnectionStatus status,
const GError *connection_error)
{
if (status == MM_BEARER_CONNECTION_STATUS_DISCONNECTED)
/* Cleanup all connection related data */
reset_bearer_connection (MM_BROADBAND_BEARER (self));
/* Chain up parent's report_connection_status() */
MM_BASE_BEARER_CLASS (mm_broadband_bearer_parent_class)->report_connection_status (
self,
status,
connection_error);
}
/*****************************************************************************/
typedef struct _InitAsyncContext InitAsyncContext;
static void interface_initialization_step (GTask *task);
typedef enum {
INITIALIZATION_STEP_FIRST,
INITIALIZATION_STEP_CDMA_RM_PROTOCOL,
INITIALIZATION_STEP_LAST
} InitializationStep;
struct _InitAsyncContext {
MMBaseModem *modem;
InitializationStep step;
MMPortSerialAt *primary;
};
static void
init_async_context_free (InitAsyncContext *ctx)
{
if (ctx->primary) {
mm_port_serial_close (MM_PORT_SERIAL (ctx->primary));
g_object_unref (ctx->primary);
}
g_object_unref (ctx->modem);
g_free (ctx);
}
MMBaseBearer *
mm_broadband_bearer_new_finish (GAsyncResult *res,
GError **error)
{
GObject *bearer;
GObject *source;
source = g_async_result_get_source_object (res);
bearer = g_async_initable_new_finish (G_ASYNC_INITABLE (source), res, error);
g_object_unref (source);
if (!bearer)
return NULL;
/* Only export valid bearers */
mm_base_bearer_export (MM_BASE_BEARER (bearer));
return MM_BASE_BEARER (bearer);
}
static gboolean
initable_init_finish (GAsyncInitable *initable,
GAsyncResult *result,
GError **error)
{
return g_task_propagate_boolean (G_TASK (result), error);
}
static void
crm_range_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
MMBroadbandModem *self;
InitAsyncContext *ctx;
GError *error = NULL;
const gchar *response;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
response = mm_base_modem_at_command_full_finish (modem, res, &error);
if (error) {
/* We should possibly take this error as fatal. If we were told to use a
* specific Rm protocol, we must be able to check if it is supported. */
} else {
MMModemCdmaRmProtocol min = MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN;
MMModemCdmaRmProtocol max = MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN;
if (mm_cdma_parse_crm_test_response (response,
&min, &max,
&error)) {
MMModemCdmaRmProtocol current;
current = mm_bearer_properties_get_rm_protocol (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
/* Check if value within the range */
if (current >= min &&
current <= max) {
/* Fine, go on with next step */
ctx->step++;
interface_initialization_step (task);
return;
}
g_assert (error == NULL);
error = g_error_new (MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Requested RM protocol '%s' is not supported",
mm_modem_cdma_rm_protocol_get_string (current));
}
/* Failed, set as fatal as well */
}
g_task_return_error (task, error);
g_object_unref (task);
}
static void
interface_initialization_step (GTask *task)
{
MMBroadbandModem *self;
InitAsyncContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
switch (ctx->step) {
case INITIALIZATION_STEP_FIRST:
ctx->step++;
/* Fall through */
case INITIALIZATION_STEP_CDMA_RM_PROTOCOL:
/* If a specific RM protocol is given, we need to check whether it is
* supported. */
if (mm_iface_modem_is_cdma (MM_IFACE_MODEM (ctx->modem)) &&
mm_bearer_properties_get_rm_protocol (
mm_base_bearer_peek_config (MM_BASE_BEARER (self))) != MM_MODEM_CDMA_RM_PROTOCOL_UNKNOWN) {
mm_base_modem_at_command_full (ctx->modem,
MM_IFACE_PORT_AT (ctx->primary),
"+CRM=?",
3,
TRUE, /* getting range, so reply can be cached */
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)crm_range_ready,
task);
return;
}
ctx->step++;
/* Fall through */
case INITIALIZATION_STEP_LAST:
/* We are done without errors! */
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
default:
g_assert_not_reached ();
}
g_assert_not_reached ();
}
static void
initable_init_async (GAsyncInitable *initable,
int io_priority,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
InitAsyncContext *ctx;
GTask *task;
GError *error = NULL;
ctx = g_new0 (InitAsyncContext, 1);
g_object_get (initable,
MM_BASE_BEARER_MODEM, &ctx->modem,
NULL);
task = g_task_new (MM_BROADBAND_BEARER (initable),
cancellable,
callback,
user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)init_async_context_free);
ctx->primary = mm_base_modem_get_port_primary (ctx->modem);
if (!ctx->primary) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't get primary port");
g_object_unref (task);
return;
}
if (!mm_port_serial_open (MM_PORT_SERIAL (ctx->primary), &error)) {
g_clear_object (&ctx->primary);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
interface_initialization_step (task);
}
void
mm_broadband_bearer_new (MMBroadbandModem *modem,
MMBearerProperties *bearer_properties,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
MMFlowControl flow_control;
/* Inherit flow control from modem object directly */
g_object_get (modem,
MM_BROADBAND_MODEM_FLOW_CONTROL, &flow_control,
NULL);
g_async_initable_new_async (
MM_TYPE_BROADBAND_BEARER,
G_PRIORITY_DEFAULT,
cancellable,
callback,
user_data,
MM_BASE_BEARER_MODEM, modem,
MM_BIND_TO, G_OBJECT (modem),
MM_BASE_BEARER_CONFIG, bearer_properties,
MM_BROADBAND_BEARER_FLOW_CONTROL, flow_control,
NULL);
}
static void
set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
MMBroadbandBearer *self = MM_BROADBAND_BEARER (object);
switch (prop_id) {
case PROP_FLOW_CONTROL:
self->priv->flow_control = g_value_get_flags (value);
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)
{
MMBroadbandBearer *self = MM_BROADBAND_BEARER (object);
switch (prop_id) {
case PROP_FLOW_CONTROL:
g_value_set_flags (value, self->priv->flow_control);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
mm_broadband_bearer_init (MMBroadbandBearer *self)
{
/* Initialize private data */
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self,
MM_TYPE_BROADBAND_BEARER,
MMBroadbandBearerPrivate);
/* Set defaults */
self->priv->connection_type = CONNECTION_TYPE_NONE;
self->priv->flow_control = MM_FLOW_CONTROL_NONE;
}
static void
dispose (GObject *object)
{
MMBroadbandBearer *self = MM_BROADBAND_BEARER (object);
reset_bearer_connection (self);
G_OBJECT_CLASS (mm_broadband_bearer_parent_class)->dispose (object);
}
static void
async_initable_iface_init (GAsyncInitableIface *iface)
{
iface->init_async = initable_init_async;
iface->init_finish = initable_init_finish;
}
static void
mm_broadband_bearer_class_init (MMBroadbandBearerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
MMBaseBearerClass *base_bearer_class = MM_BASE_BEARER_CLASS (klass);
g_type_class_add_private (object_class, sizeof (MMBroadbandBearerPrivate));
object_class->get_property = get_property;
object_class->set_property = set_property;
object_class->dispose = dispose;
base_bearer_class->connect = connect;
base_bearer_class->connect_finish = connect_finish;
base_bearer_class->disconnect = disconnect;
base_bearer_class->disconnect_finish = disconnect_finish;
base_bearer_class->report_connection_status = report_connection_status;
base_bearer_class->load_connection_status = load_connection_status;
base_bearer_class->load_connection_status_finish = load_connection_status_finish;
#if defined WITH_SUSPEND_RESUME
base_bearer_class->reload_connection_status = load_connection_status;
base_bearer_class->reload_connection_status_finish = load_connection_status_finish;
#endif
klass->connect_3gpp = connect_3gpp;
klass->connect_3gpp_finish = detailed_connect_finish;
klass->dial_3gpp = dial_3gpp;
klass->dial_3gpp_finish = dial_3gpp_finish;
klass->connect_cdma = connect_cdma;
klass->connect_cdma_finish = detailed_connect_finish;
klass->disconnect_3gpp = disconnect_3gpp;
klass->disconnect_3gpp_finish = detailed_disconnect_finish;
klass->disconnect_cdma = disconnect_cdma;
klass->disconnect_cdma_finish = detailed_disconnect_finish;
properties[PROP_FLOW_CONTROL] =
g_param_spec_flags (MM_BROADBAND_BEARER_FLOW_CONTROL,
"Flow control",
"Flow control settings to use during connection",
MM_TYPE_FLOW_CONTROL,
MM_FLOW_CONTROL_NONE,
G_PARAM_READWRITE);
g_object_class_install_property (object_class, PROP_FLOW_CONTROL, properties[PROP_FLOW_CONTROL]);
}