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chromium / chromiumos / third_party / modemmanager-next / f18d619ab0e74dcb14d26884ee1742a1e0881bac / . / src / mm-broadband-bearer.c
blob: 16acb2b192e04a5ad09fd54c367b69d930d3168f [file] [log] [blame]
/* -*- 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-cdma.h"
#include "mm-base-modem-at.h"
#include "mm-log.h"
#include "mm-modem-helpers.h"
#include "mm-port-enums-types.h"
#include "mm-helper-enums-types.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 */
guint cid;
};
/*****************************************************************************/
guint
mm_broadband_bearer_get_3gpp_cid (MMBroadbandBearer *self)
{
return self->priv->cid;
}
/*****************************************************************************/
static MMBearerIpFamily
select_bearer_ip_family (MMBroadbandBearer *self)
{
MMBearerIpFamily ip_family;
ip_family = mm_bearer_properties_get_ip_type (mm_base_bearer_peek_config (MM_BASE_BEARER (self)));
if (ip_family == MM_BEARER_IP_FAMILY_NONE || ip_family == MM_BEARER_IP_FAMILY_ANY) {
gchar *default_family;
ip_family = mm_base_bearer_get_default_ip_family (MM_BASE_BEARER (self));
default_family = mm_bearer_ip_family_build_string_from_mask (ip_family);
mm_dbg ("No specific IP family requested, defaulting to %s", default_family);
g_free (default_family);
}
return ip_family;
}
/*****************************************************************************/
/* 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 = select_bearer_ip_family (self);
return ctx;
}
/*****************************************************************************/
/* Generic implementations (both 3GPP and CDMA) are always AT-port based */
static MMPortSerialAt *
common_get_at_data_port (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 = (MMPort *) mm_base_modem_peek_port_primary (modem);
}
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_dbg ("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;
/* 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_warn ("Couldn't connect: '%s'", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
/* 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_dbg ("[%s] Setting flow control: %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_warn ("Couldn't set flow control settings: %s", 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)
{
MMBroadbandBearer *self;
DetailedConnectContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
mm_base_modem_at_command_full (ctx->modem,
MM_PORT_SERIAL_AT (ctx->data),
"DT#777",
90,
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_warn ("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_warn ("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_warn ("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_dbg ("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_warn ("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,
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 = (MMPort *)common_get_at_data_port (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_dbg ("Querying current RM protocol set...");
mm_base_modem_at_command_full (ctx->modem,
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,
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_dbg ("[%s] Setting flow control: %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_warn ("Couldn't set flow control settings: %s", 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 (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,
ctx->dial_port,
command,
60,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)atd_ready,
task);
g_free (command);
}
/*****************************************************************************/
/* 3GPP cid selection (sub-step of the 3GPP Connection sequence) */
typedef struct {
MMBroadbandBearer *self;
MMBaseModem *modem;
MMPortSerialAt *primary;
GCancellable *cancellable;
guint cid;
guint max_cid;
gboolean use_existing_cid;
MMBearerIpFamily ip_family;
} CidSelection3gppContext;
static void
cid_selection_3gpp_context_free (CidSelection3gppContext *ctx)
{
g_object_unref (ctx->self);
g_object_unref (ctx->modem);
g_object_unref (ctx->primary);
g_object_unref (ctx->cancellable);
g_slice_free (CidSelection3gppContext, ctx);
}
static guint
cid_selection_3gpp_finish (MMBroadbandBearer *self,
GAsyncResult *res,
GError **error)
{
gssize cid;
/* We return 0 as an invalid CID, not -1 */
cid = g_task_propagate_int (G_TASK (res), error);
return (guint) (cid < 0 ? 0 : cid);
}
static void
initialize_pdp_context_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
CidSelection3gppContext *ctx;
GError *error = NULL;
ctx = (CidSelection3gppContext *) g_task_get_task_data (task);
mm_base_modem_at_command_full_finish (modem, res, &error);
if (error) {
mm_warn ("Couldn't initialize PDP context with our APN: '%s'", error->message);
g_task_return_error (task, error);
} else
g_task_return_int (task, (gssize) ctx->cid);
g_object_unref (task);
}
static void
find_cid_ready (MMBaseModem *modem,
GAsyncResult *res,
GTask *task)
{
gchar *apn;
gchar *command;
GError *error = NULL;
const gchar *pdp_type;
CidSelection3gppContext *ctx;
ctx = (CidSelection3gppContext *) g_task_get_task_data (task);
mm_base_modem_at_sequence_full_finish (modem, res, NULL, &error);
if (error) {
mm_warn ("Couldn't find best CID to use: '%s'", error->message);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Validate requested PDP type */
pdp_type = mm_3gpp_get_pdp_type_from_ip_family (ctx->ip_family);
if (!pdp_type) {
gchar * str;
str = mm_bearer_ip_family_build_string_from_mask (ctx->ip_family);
g_task_return_new_error (task,
MM_CORE_ERROR, MM_CORE_ERROR_INVALID_ARGS,
"Unsupported IP type requested: '%s'", str);
g_object_unref (task);
g_free (str);
return;
}
/* If no error reported, we must have a valid CID to be used */
g_assert (ctx->cid != 0);
/* If there's already a PDP context defined, just use it */
if (ctx->use_existing_cid) {
g_task_return_int (task, (gssize) ctx->cid);
g_object_unref (task);
return;
}
/* Otherwise, initialize a new PDP context with our APN */
apn = mm_port_serial_at_quote_string (mm_bearer_properties_get_apn (mm_base_bearer_peek_config (MM_BASE_BEARER (ctx->self))));
command = g_strdup_printf ("+CGDCONT=%u,\"%s\",%s", ctx->cid, pdp_type, apn);
g_free (apn);
mm_base_modem_at_command_full (ctx->modem,
ctx->primary,
command,
3,
FALSE,
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback) initialize_pdp_context_ready,
task);
g_free (command);
}
static gboolean
parse_cid_range (MMBaseModem *modem,
CidSelection3gppContext *ctx,
const gchar *command,
const gchar *response,
gboolean last_command,
const GError *error,
GVariant **result,
GError **result_error)
{
GError *inner_error = NULL;
GList *formats, *l;
guint cid;
/* If cancelled, set result error */
if (g_cancellable_is_cancelled (ctx->cancellable)) {
g_set_error (result_error, MM_CORE_ERROR, MM_CORE_ERROR_CANCELLED,
"Connection setup operation has been cancelled");
return FALSE;
}
if (error) {
mm_dbg ("Unexpected +CGDCONT error: '%s'", error->message);
mm_dbg ("Defaulting to CID=1");
ctx->cid = 1;
return TRUE;
}
formats = mm_3gpp_parse_cgdcont_test_response (response, &inner_error);
if (inner_error) {
mm_dbg ("Error parsing +CGDCONT test response: '%s'", inner_error->message);
mm_dbg ("Defaulting to CID=1");
g_error_free (inner_error);
ctx->cid = 1;
return TRUE;
}
cid = 0;
for (l = formats; l; l = g_list_next (l)) {
MM3gppPdpContextFormat *format = l->data;
/* Found exact PDP type? */
if (format->pdp_type == ctx->ip_family) {
gchar *ip_family_str;
ip_family_str = mm_bearer_ip_family_build_string_from_mask (format->pdp_type);
if (ctx->max_cid < format->max_cid) {
cid = ctx->max_cid + 1;
mm_dbg ("Using empty CID %u with PDP type '%s'", cid, ip_family_str);
} else {
cid = ctx->max_cid;
mm_dbg ("Re-using CID %u (max) with PDP type '%s'", cid, ip_family_str);
}
g_free (ip_family_str);
break;
}
}
mm_3gpp_pdp_context_format_list_free (formats);
if (cid == 0) {
mm_dbg ("Defaulting to CID=1");
cid = 1;
}
ctx->cid = cid;
return TRUE;
}
static gboolean
parse_pdp_list (MMBaseModem *modem,
CidSelection3gppContext *ctx,
const gchar *command,
const gchar *response,
gboolean last_command,
const GError *error,
GVariant **result,
GError **result_error)
{
GError *inner_error = NULL;
GList *pdp_list;
GList *l;
guint cid;
/* If cancelled, set result error */
if (g_cancellable_is_cancelled (ctx->cancellable)) {
g_set_error (result_error, MM_CORE_ERROR, MM_CORE_ERROR_CANCELLED,
"Connection setup operation has been cancelled");
return FALSE;
}
/* Some Android phones don't support querying existing PDP contexts,
* but will accept setting the APN. So if CGDCONT? isn't supported,
* just ignore that error and hope for the best. (bgo #637327)
*/
if (g_error_matches (error,
MM_MOBILE_EQUIPMENT_ERROR,
MM_MOBILE_EQUIPMENT_ERROR_NOT_SUPPORTED)) {
mm_dbg ("Querying PDP context list is unsupported");
return FALSE;
}
if (error) {
mm_dbg ("Unexpected +CGDCONT? error: '%s'", error->message);
return FALSE;
}
pdp_list = mm_3gpp_parse_cgdcont_read_response (response, &inner_error);
if (!pdp_list) {
if (inner_error) {
mm_dbg ("%s", inner_error->message);
g_error_free (inner_error);
} else {
/* No predefined PDP contexts found */
mm_dbg ("No PDP contexts found");
}
return FALSE;
}
cid = 0;
/* Show all found PDP contexts in debug log */
mm_dbg ("Found '%u' PDP contexts", g_list_length (pdp_list));
for (l = pdp_list; l; l = g_list_next (l)) {
MM3gppPdpContext *pdp = l->data;
gchar *ip_family_str;
ip_family_str = mm_bearer_ip_family_build_string_from_mask (pdp->pdp_type);
mm_dbg (" PDP context [cid=%u] [type='%s'] [apn='%s']",
pdp->cid,
ip_family_str,
pdp->apn ? pdp->apn : "");
g_free (ip_family_str);
}
/* Look for the exact PDP context we want */
for (l = pdp_list; l; l = g_list_next (l)) {
MM3gppPdpContext *pdp = l->data;
if (pdp->pdp_type == ctx->ip_family) {
const gchar *apn;
apn = mm_bearer_properties_get_apn (mm_base_bearer_peek_config (MM_BASE_BEARER (ctx->self)));
/* First requested, then existing */
if (mm_3gpp_cmp_apn_name (apn, pdp->apn)) {
gchar *ip_family_str;
/* Found a PDP context with the same APN and PDP type, we'll use it. */
ip_family_str = mm_bearer_ip_family_build_string_from_mask (pdp->pdp_type);
mm_dbg ("Found PDP context with CID %u and PDP type %s for APN '%s'",
pdp->cid, ip_family_str, apn ? apn : "");
cid = pdp->cid;
ctx->use_existing_cid = TRUE;
g_free (ip_family_str);
/* In this case, stop searching */
break;
}
/* PDP with no APN set? we may use that one if not exact match found */
if (!pdp->apn || !pdp->apn[0]) {
mm_dbg ("Found PDP context with CID %u and no APN",
pdp->cid);
cid = pdp->cid;
}
}
if (ctx->max_cid < pdp->cid)
ctx->max_cid = pdp->cid;
}
mm_3gpp_pdp_context_list_free (pdp_list);
if (cid > 0) {
ctx->cid = cid;
return TRUE;
}
return FALSE;
}
static const MMBaseModemAtCommand find_cid_sequence[] = {
{ "+CGDCONT?", 3, FALSE, (MMBaseModemAtResponseProcessor) parse_pdp_list },
{ "+CGDCONT=?", 3, TRUE, (MMBaseModemAtResponseProcessor) parse_cid_range },
{ NULL }
};
static void
cid_selection_3gpp (MMBroadbandBearer *self,
MMBaseModem *modem,
MMPortSerialAt *primary,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
CidSelection3gppContext *ctx;
ctx = g_slice_new0 (CidSelection3gppContext);
ctx->self = g_object_ref (self);
ctx->modem = g_object_ref (modem);
ctx->primary = g_object_ref (primary);
ctx->cancellable = g_object_ref (cancellable);
ctx->ip_family = select_bearer_ip_family (self);
task = g_task_new (self, cancellable, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify) cid_selection_3gpp_context_free);
mm_dbg ("Looking for best CID...");
mm_base_modem_at_sequence_full (ctx->modem,
ctx->primary,
find_cid_sequence,
ctx, /* also passed as response processor context */
NULL, /* response_processor_context_free */
NULL, /* cancellable */
(GAsyncReadyCallback) find_cid_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;
MMBearerIpConfig *ipv4_config = NULL;
MMBearerIpConfig *ipv6_config = NULL;
GError *error = 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;
g_task_return_pointer (
task,
mm_bearer_connect_result_new (ctx->data, ipv4_config, ipv6_config),
(GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
if (ipv4_config)
g_object_unref (ipv4_config);
if (ipv6_config)
g_object_unref (ipv6_config);
}
static void
dial_3gpp_ready (MMBroadbandBearer *self,
GAsyncResult *res,
GTask *task)
{
DetailedConnectContext *ctx;
MMBearerIpMethod ip_method = MM_BEARER_IP_METHOD_UNKNOWN;
MMBearerIpConfig *ipv4_config = NULL;
MMBearerIpConfig *ipv6_config = NULL;
GError *error = 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->cid = 0;
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,
self->priv->cid,
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);
g_task_return_pointer (
task,
mm_bearer_connect_result_new (ctx->data, ipv4_config, ipv6_config),
(GDestroyNotify)mm_bearer_connect_result_unref);
g_object_unref (task);
g_clear_object (&ipv4_config);
g_clear_object (&ipv6_config);
}
static void
cid_selection_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->cid = MM_BROADBAND_BEARER_GET_CLASS (self)->cid_selection_3gpp_finish (self, res, &error);
if (!self->priv->cid) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
MM_BROADBAND_BEARER_GET_CLASS (self)->dial_3gpp (self,
ctx->modem,
ctx->primary,
self->priv->cid,
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->cid = 0;
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);
MM_BROADBAND_BEARER_GET_CLASS (self)->cid_selection_3gpp (self,
ctx->modem,
ctx->primary,
cancellable,
(GAsyncReadyCallback)cid_selection_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;
/* 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)
{
MMBaseModem *modem = NULL;
MMPortSerialAt *primary;
const gchar *apn;
GTask *task;
/* Don't try to connect if already connected */
if (MM_BROADBAND_BEARER (self)->priv->port) {
g_task_report_new_error (
self,
callback,
user_data,
connect,
MM_CORE_ERROR,
MM_CORE_ERROR_CONNECTED,
"Couldn't connect: this bearer is already connected");
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_report_new_error (
self,
callback,
user_data,
connect,
MM_CORE_ERROR,
MM_CORE_ERROR_CONNECTED,
"Couldn't connect: couldn't get primary port");
g_object_unref (modem);
return;
}
/* ...only if not already connected */
if (mm_port_get_connected (MM_PORT (primary))) {
g_task_report_new_error (
self,
callback,
user_data,
connect,
MM_CORE_ERROR,
MM_CORE_ERROR_CONNECTED,
"Couldn't connect: primary AT port is already connected");
g_object_unref (modem);
return;
}
/* Default bearer connection logic
*
* 1) 3GPP-only modem:
* 1a) If no APN given, error.
* 1b) If APN 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 given, run CDMA connection logic.
* 2b) If APN given, error.
*
* 3) 3GPP and 3GPP2 modem:
* 3a) If no APN given, run CDMA connection logic.
* 3b) If APN given, run 3GPP connection logic.
* 1c) 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)));
/* Is this a 3GPP only modem and no APN was given? If so, error */
if (mm_iface_modem_is_3gpp_only (MM_IFACE_MODEM (modem)) && !apn) {
g_task_report_new_error (
self,
callback,
user_data,
connect,
MM_CORE_ERROR,
MM_CORE_ERROR_INVALID_ARGS,
"3GPP connection logic requires APN setting");
g_object_unref (modem);
return;
}
/* Is this a 3GPP2 only modem and APN was given? If so, error */
if (mm_iface_modem_is_cdma_only (MM_IFACE_MODEM (modem)) && apn) {
g_task_report_new_error (
self,
callback,
user_data,
connect,
MM_CORE_ERROR,
MM_CORE_ERROR_INVALID_ARGS,
"3GPP2 doesn't support APN setting");
g_object_unref (modem);
return;
}
/* In this context, we only keep the stuff we'll need later */
task = g_task_new (self, cancellable, callback, user_data);
/* If the modem has 3GPP capabilities and an APN, launch 3GPP-based connection */
if (mm_iface_modem_is_3gpp (MM_IFACE_MODEM (modem)) && apn) {
mm_dbg ("Launching 3GPP connection attempt with APN '%s'", apn);
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);
g_object_unref (modem);
return;
}
/* Otherwise, launch CDMA-specific connection. */
if (mm_iface_modem_is_cdma (MM_IFACE_MODEM (modem)) && !apn) {
mm_dbg ("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);
g_object_unref (modem);
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)
{
GError *error = NULL;
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_dbg ("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)
{
DetailedDisconnectContext *ctx;
GError *error = NULL;
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;
}
ctx = g_task_get_task_data (task);
/* Just flash the data port */
mm_dbg ("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_dbg ("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)
{
GError *error = NULL;
/* Ignore errors for now */
mm_base_modem_at_command_full_finish (modem, res, &error);
if (error) {
mm_dbg ("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)
{
DetailedDisconnectContext *ctx;
GError *error = NULL;
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_dbg ("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_dbg ("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 separte data port.
*/
if (MM_PORT_SERIAL (ctx->primary) == data)
mm_dbg ("Sending PDP context deactivation in primary/data port...");
else
mm_dbg ("Sending PDP context deactivation in primary port again...");
mm_base_modem_at_command_full (ctx->modem,
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)
{
DetailedDisconnectContext *ctx;
GError *error = NULL;
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;
}
ctx = g_task_get_task_data (task);
/* Just flash the data port */
mm_dbg ("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)
{
DetailedDisconnectContext *ctx;
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_dbg ("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)
{
DetailedDisconnectContext *ctx;
GError *error = NULL;
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_dbg ("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_dbg ("Sending PDP context deactivation in primary port...");
mm_base_modem_at_command_full (ctx->modem,
ctx->primary,
ctx->cgact_command,
10,
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_dbg ("Sending PDP context deactivation in secondary port...");
mm_base_modem_at_command_full (ctx->modem,
ctx->secondary,
ctx->cgact_command,
10,
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 */
if (self->priv->cid)
self->priv->cid = 0;
/* 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;
if (!MM_BROADBAND_BEARER (self)->priv->port) {
g_task_report_new_error (
self,
callback,
user_data,
disconnect,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't disconnect: this bearer is not connected");
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_report_new_error (
self,
callback,
user_data,
disconnect,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't disconnect: couldn't get primary port");
g_object_unref (modem);
return;
}
task = g_task_new (self, NULL, callback , user_data);
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,
MM_BROADBAND_BEARER (self)->priv->cid,
(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:
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;
/* We look for he just assume the first active PDP context found is the one we're
* looking for. */
pdp_active = (MM3gppPdpContextActive *)(l->data);
if (pdp_active->cid == self->priv->cid) {
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;
MMBaseModem *modem = NULL;
MMPortSerialAt *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);
goto out;
}
/* If CID not defined, error out */
if (!MM_BROADBAND_BEARER (self)->priv->cid) {
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);
goto out;
}
/* 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);
goto out;
}
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);
out:
g_clear_object (&modem);
}
/*****************************************************************************/
static void
report_connection_status (MMBaseBearer *self,
MMBearerConnectionStatus status)
{
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);
}
/*****************************************************************************/
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 *port;
};
static void
init_async_context_free (InitAsyncContext *ctx)
{
if (ctx->port) {
mm_port_serial_close (MM_PORT_SERIAL (ctx->port));
g_object_unref (ctx->port);
}
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:
/* Fall down to next step */
ctx->step++;
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,
ctx->port,
"+CRM=?",
3,
TRUE, /* getting range, so reply can be cached */
FALSE, /* raw */
NULL, /* cancellable */
(GAsyncReadyCallback)crm_range_ready,
task);
return;
}
/* Fall down to next step */
ctx->step++;
case INITIALIZATION_STEP_LAST:
/* We are done without errors! */
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
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->port = mm_base_modem_get_port_primary (ctx->modem);
if (!ctx->port) {
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->port), &error)) {
g_clear_object (&ctx->port);
g_task_return_error (task, error);
g_object_unref (task);
return;
}
interface_initialization_step (task);
}
void
mm_broadband_bearer_new (MMBroadbandModem *modem,
MMBearerProperties *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_BASE_BEARER_CONFIG, 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;
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->cid_selection_3gpp = cid_selection_3gpp;
klass->cid_selection_3gpp_finish = cid_selection_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]);
}