SymbX/ModemManager
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ModemManager/src/mm-iface-modem-simple.c
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/* -*- 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) 2009 Novell, Inc.
* Copyright (C) 2009 - 2011 Red Hat, Inc.
* Copyright (C) 2011 Google, Inc.
*/
#include <ModemManager.h>
#include <libmm-common.h>
#include "mm-bearer-list.h"
#include "mm-sim.h"
#include "mm-error-helpers.h"
#include "mm-iface-modem.h"
#include "mm-iface-modem-3gpp.h"
#include "mm-iface-modem-cdma.h"
#include "mm-iface-modem-simple.h"
#include "mm-log.h"
/*****************************************************************************/
/* Register in either a CDMA or a 3GPP network (or both) */
typedef struct {
GSimpleAsyncResult *result;
MMIfaceModemSimple *self;
gchar *operator_id;
guint remaining_tries_cdma;
guint remaining_tries_3gpp;
guint max_try_time;
} RegisterInNetworkContext;
static void
register_in_network_context_complete_and_free (RegisterInNetworkContext *ctx)
{
g_simple_async_result_complete_in_idle (ctx->result);
g_free (ctx->operator_id);
g_object_unref (ctx->result);
g_object_unref (ctx->self);
g_free (ctx);
}
static gboolean
register_in_3gpp_or_cdma_network_finish (MMIfaceModemSimple *self,
GAsyncResult *res,
GError **error)
{
return !g_simple_async_result_propagate_error (G_SIMPLE_ASYNC_RESULT (res), error);
}
static void check_next_registration (RegisterInNetworkContext *ctx);
static void
register_in_cdma_network_ready (MMIfaceModemCdma *self,
GAsyncResult *res,
RegisterInNetworkContext *ctx)
{
ctx->remaining_tries_cdma--;
if (!mm_iface_modem_cdma_register_in_network_finish (
MM_IFACE_MODEM_CDMA (self), res, NULL)) {
/* Retry check */
check_next_registration (ctx);
return;
}
/* Registered we are! */
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
register_in_network_context_complete_and_free (ctx);
}
static void
register_in_3gpp_network_ready (MMIfaceModem3gpp *self,
GAsyncResult *res,
RegisterInNetworkContext *ctx)
{
ctx->remaining_tries_3gpp--;
if (!mm_iface_modem_3gpp_register_in_network_finish (
MM_IFACE_MODEM_3GPP (self), res, NULL)) {
/* Retry check */
check_next_registration (ctx);
return;
}
/* Registered we are! */
g_simple_async_result_set_op_res_gboolean (ctx->result, TRUE);
register_in_network_context_complete_and_free (ctx);
}
static void
check_next_registration (RegisterInNetworkContext *ctx)
{
if (ctx->remaining_tries_cdma > ctx->remaining_tries_3gpp &&
ctx->remaining_tries_cdma > 0) {
mm_iface_modem_cdma_register_in_network (
MM_IFACE_MODEM_CDMA (ctx->self),
ctx->max_try_time,
(GAsyncReadyCallback)register_in_cdma_network_ready,
ctx);
return;
}
if (ctx->remaining_tries_3gpp > 0) {
mm_iface_modem_3gpp_register_in_network (
MM_IFACE_MODEM_3GPP (ctx->self),
ctx->operator_id,
ctx->max_try_time,
(GAsyncReadyCallback)register_in_3gpp_network_ready,
ctx);
return;
}
/* No more tries of anything */
g_simple_async_result_take_error (
ctx->result,
mm_mobile_equipment_error_for_code (MM_MOBILE_EQUIPMENT_ERROR_NETWORK_TIMEOUT));
register_in_network_context_complete_and_free (ctx);
}
static void
register_in_3gpp_or_cdma_network (MMIfaceModemSimple *self,
const gchar *operator_id,
GAsyncReadyCallback callback,
gpointer user_data)
{
RegisterInNetworkContext *ctx;
ctx = g_new0 (RegisterInNetworkContext, 1);
ctx->self = g_object_ref (self);
ctx->operator_id = g_strdup (operator_id);
ctx->result = g_simple_async_result_new (G_OBJECT (self),
callback,
user_data,
register_in_3gpp_or_cdma_network);
/* 3GPP-only modems... */
if (mm_iface_modem_is_3gpp_only (MM_IFACE_MODEM (ctx->self))) {
ctx->max_try_time = 60;
ctx->remaining_tries_cdma = 0;
ctx->remaining_tries_3gpp = 1;
}
/* CDMA-only modems... */
else if (mm_iface_modem_is_cdma_only (MM_IFACE_MODEM (ctx->self))) {
ctx->max_try_time = 60;
ctx->remaining_tries_cdma = 1;
ctx->remaining_tries_3gpp = 0;
}
/* Mixed 3GPP+CDMA modems... */
else {
ctx->max_try_time = 10;
ctx->remaining_tries_cdma = 6;
ctx->remaining_tries_3gpp = 6;
}
check_next_registration (ctx);
}
/*****************************************************************************/
typedef enum {
CONNECTION_STEP_FIRST,
CONNECTION_STEP_UNLOCK_CHECK,
CONNECTION_STEP_ENABLE,
CONNECTION_STEP_ALLOWED_MODES,
CONNECTION_STEP_ALLOWED_BANDS,
CONNECTION_STEP_REGISTER,
CONNECTION_STEP_BEARER,
CONNECTION_STEP_CONNECT,
CONNECTION_STEP_LAST
} ConnectionStep;
typedef struct {
MmGdbusModemSimple *skeleton;
GDBusMethodInvocation *invocation;
MMIfaceModemSimple *self;
ConnectionStep step;
/* Expected input properties */
MMCommonConnectProperties *properties;
/* Results to set */
MMBearer *bearer;
} ConnectionContext;
static void
connection_context_free (ConnectionContext *ctx)
{
g_object_unref (ctx->bearer);
g_object_unref (ctx->properties);
g_object_unref (ctx->skeleton);
g_object_unref (ctx->invocation);
g_object_unref (ctx->self);
g_free (ctx);
}
static void connection_step (ConnectionContext *ctx);
static void
connect_bearer_ready (MMBearer *bearer,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!mm_bearer_connect_finish (bearer, res, &error)) {
mm_dbg ("Couldn't connect bearer: '%s'", error->message);
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* Bearer connected.... all done!!!!! */
ctx->step++;
connection_step (ctx);
}
static void
create_bearer_ready (MMIfaceModem *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
/* ownership for the caller */
ctx->bearer = mm_iface_modem_create_bearer_finish (self, res, &error);
if (!ctx->bearer) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* Bearer available! */
ctx->step++;
connection_step (ctx);
}
static void
register_in_3gpp_or_cdma_network_ready (MMIfaceModemSimple *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!register_in_3gpp_or_cdma_network_finish (self, res, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* Registered now! */
ctx->step++;
connection_step (ctx);
}
static void
set_allowed_modes_ready (MMBaseModem *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!mm_iface_modem_set_allowed_modes_finish (MM_IFACE_MODEM (self), res, &error)) {
/* If setting allowed modes is unsupported, keep on */
if (!g_error_matches (error,
MM_CORE_ERROR,
MM_CORE_ERROR_UNSUPPORTED)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
}
/* Allowed modes set... almost there! */
ctx->step++;
connection_step (ctx);
}
static void
set_allowed_bands_ready (MMBaseModem *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!mm_iface_modem_set_allowed_bands_finish (MM_IFACE_MODEM (self), res, &error)) {
/* If setting allowed bands is unsupported, keep on */
if (!g_error_matches (error,
MM_CORE_ERROR,
MM_CORE_ERROR_UNSUPPORTED)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
}
/* Allowed bands set... almost there! */
ctx->step++;
connection_step (ctx);
}
static void
enable_ready (MMBaseModem *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!MM_BASE_MODEM_GET_CLASS (self)->enable_finish (MM_BASE_MODEM (self), res, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* Enabling done!, keep on!!! */
ctx->step++;
connection_step (ctx);
}
static void
send_pin_ready (MMSim *sim,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
if (!mm_sim_send_pin_finish (sim, res, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* Sent pin and unlocked, cool. */
ctx->step++;
connection_step (ctx);
}
static void
unlock_check_ready (MMIfaceModem *self,
GAsyncResult *res,
ConnectionContext *ctx)
{
GError *error = NULL;
MMModemLock lock;
MMSim *sim;
lock = mm_iface_modem_unlock_check_finish (self, res, &error);
if (error) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
connection_context_free (ctx);
return;
}
/* If we are already unlocked, go on to next step */
if (lock == MM_MODEM_LOCK_NONE) {
ctx->step++;
connection_step (ctx);
return;
}
/* During simple connect we are only allowed to use SIM PIN */
if (lock != MM_MODEM_LOCK_SIM_PIN ||
!mm_common_connect_properties_get_pin (ctx->properties)) {
g_dbus_method_invocation_return_error (
ctx->invocation,
MM_CORE_ERROR,
MM_CORE_ERROR_UNAUTHORIZED,
"Modem is locked with '%s' code; cannot unlock it",
mm_modem_lock_get_string (lock));
connection_context_free (ctx);
return;
}
/* Try to unlock the modem providing the PIN */
sim = NULL;
g_object_get (ctx->self,
MM_IFACE_MODEM_SIM, &sim,
NULL);
if (!sim) {
g_dbus_method_invocation_return_error (
ctx->invocation,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Cannot unlock modem, couldn't get access to the SIM");
connection_context_free (ctx);
return;
}
mm_sim_send_pin (sim,
mm_common_connect_properties_get_pin (ctx->properties),
(GAsyncReadyCallback)send_pin_ready,
ctx);
g_object_unref (sim);
}
static void
connection_step (ConnectionContext *ctx)
{
switch (ctx->step) {
case CONNECTION_STEP_FIRST:
/* Fall down to next step */
ctx->step++;
case CONNECTION_STEP_UNLOCK_CHECK:
mm_info ("Simple connect state (%d/%d): Unlock check",
ctx->step, CONNECTION_STEP_LAST);
mm_iface_modem_unlock_check (MM_IFACE_MODEM (ctx->self),
(GAsyncReadyCallback)unlock_check_ready,
ctx);
return;
case CONNECTION_STEP_ENABLE:
mm_info ("Simple connect state (%d/%d): Enable",
ctx->step, CONNECTION_STEP_LAST);
MM_BASE_MODEM_GET_CLASS (ctx->self)->enable (MM_BASE_MODEM (ctx->self),
NULL, /* cancellable */
(GAsyncReadyCallback)enable_ready,
ctx);
return;
case CONNECTION_STEP_ALLOWED_MODES: {
MMModemMode allowed_modes = MM_MODEM_MODE_ANY;
MMModemMode preferred_mode = MM_MODEM_MODE_NONE;
mm_info ("Simple connect state (%d/%d): Allowed mode",
ctx->step, CONNECTION_STEP_LAST);
mm_common_connect_properties_get_allowed_modes (ctx->properties,
&allowed_modes,
&preferred_mode);
mm_iface_modem_set_allowed_modes (MM_IFACE_MODEM (ctx->self),
allowed_modes,
preferred_mode,
(GAsyncReadyCallback)set_allowed_modes_ready,
ctx);
return;
}
case CONNECTION_STEP_ALLOWED_BANDS: {
GArray *array;
const MMModemBand *allowed_bands = NULL;
guint n_allowed_bands = 0;
guint i;
mm_info ("Simple connect state (%d/%d): Allowed bands",
ctx->step, CONNECTION_STEP_LAST);
mm_common_connect_properties_get_allowed_bands (ctx->properties,
&allowed_bands,
&n_allowed_bands);
array = g_array_sized_new (FALSE, FALSE, sizeof (MMModemBand), n_allowed_bands);
for (i = 0; i < n_allowed_bands; i++)
g_array_insert_val (array, i, allowed_bands[i]);
mm_iface_modem_set_allowed_bands (MM_IFACE_MODEM (ctx->self),
array,
(GAsyncReadyCallback)set_allowed_bands_ready,
ctx);
g_array_unref (array);
return;
}
case CONNECTION_STEP_REGISTER:
mm_info ("Simple connect state (%d/%d): Register",
ctx->step, CONNECTION_STEP_LAST);
if (mm_iface_modem_is_3gpp (MM_IFACE_MODEM (ctx->self)) ||
mm_iface_modem_is_cdma (MM_IFACE_MODEM (ctx->self))) {
/* 3GPP or CDMA registration */
register_in_3gpp_or_cdma_network (
ctx->self,
mm_common_connect_properties_get_operator_id (ctx->properties),
(GAsyncReadyCallback)register_in_3gpp_or_cdma_network_ready,
ctx);
return;
}
/* If not 3GPP and not CDMA, this will possibly be a POTS modem,
* which won't require any specific registration anywhere.
* So, fall down to next step */
ctx->step++;
case CONNECTION_STEP_BEARER: {
MMBearerList *list = NULL;
MMCommonBearerProperties *bearer_properties;
mm_info ("Simple connect state (%d/%d): Bearer",
ctx->step, CONNECTION_STEP_LAST);
g_object_get (ctx->self,
MM_IFACE_MODEM_BEARER_LIST, &list,
NULL);
bearer_properties = (mm_common_connect_properties_get_bearer_properties (
ctx->properties));
/* Check if the bearer we want to create is already in the list */
ctx->bearer = mm_bearer_list_find (list, bearer_properties);
if (!ctx->bearer) {
mm_dbg ("Creating new bearer...");
/* If we don't have enough space to create the bearer, try to remove
* all existing ones first. */
if (mm_bearer_list_get_max (list) == mm_bearer_list_get_count (list))
/* We'll remove all existing bearers, and then go on creating the new one */
mm_bearer_list_delete_all_bearers (list);
mm_iface_modem_create_bearer (MM_IFACE_MODEM (ctx->self),
bearer_properties,
(GAsyncReadyCallback)create_bearer_ready,
ctx);
g_object_unref (list);
g_object_unref (bearer_properties);
return;
}
mm_dbg ("Using already existing bearer at '%s'...",
mm_bearer_get_path (ctx->bearer));
g_object_unref (list);
g_object_unref (bearer_properties);
/* Fall down to next step */
ctx->step++;
}
case CONNECTION_STEP_CONNECT:
mm_info ("Simple connect state (%d/%d): Connect",
ctx->step, CONNECTION_STEP_LAST);
mm_bearer_connect (ctx->bearer,
(GAsyncReadyCallback)connect_bearer_ready,
ctx);
return;
case CONNECTION_STEP_LAST:
mm_info ("Simple connect state (%d/%d): All done",
ctx->step, CONNECTION_STEP_LAST);
/* All done, yey! */
mm_gdbus_modem_simple_complete_connect (
ctx->skeleton,
ctx->invocation,
mm_bearer_get_path (ctx->bearer));
connection_context_free (ctx);
return;
}
g_assert_not_reached ();
}
static gboolean
handle_connect (MmGdbusModemSimple *skeleton,
GDBusMethodInvocation *invocation,
GVariant *dictionary,
MMIfaceModemSimple *self)
{
GError *error = NULL;
MMCommonConnectProperties *properties;
ConnectionContext *ctx;
properties = mm_common_connect_properties_new_from_dictionary (dictionary, &error);
if (!properties) {
g_dbus_method_invocation_take_error (invocation, error);
return TRUE;
}
ctx = g_new0 (ConnectionContext, 1);
ctx->skeleton = g_object_ref (skeleton);
ctx->invocation = g_object_ref (invocation);
ctx->self = g_object_ref (self);
ctx->step = CONNECTION_STEP_FIRST;
ctx->properties = properties;
/* Start */
connection_step (ctx);
return TRUE;
}
/*****************************************************************************/
typedef struct {
MMIfaceModemSimple *self;
MmGdbusModemSimple *skeleton;
GDBusMethodInvocation *invocation;
gchar *bearer_path;
GList *bearers;
MMBearer *current;
} DisconnectionContext;
static void
disconnection_context_free (DisconnectionContext *ctx)
{
g_object_unref (ctx->skeleton);
g_object_unref (ctx->invocation);
g_object_unref (ctx->self);
g_free (ctx->bearer_path);
if (ctx->current)
g_object_unref (ctx->current);
g_list_free_full (ctx->bearers, (GDestroyNotify) g_object_unref);
g_free (ctx);
}
static void disconnect_next_bearer (DisconnectionContext *ctx);
static void
disconnect_ready (MMBearer *bearer,
GAsyncResult *res,
DisconnectionContext *ctx)
{
GError *error = NULL;
if (!mm_bearer_disconnect_finish (bearer, res, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
disconnection_context_free (ctx);
return;
}
disconnect_next_bearer (ctx);
}
static void
disconnect_next_bearer (DisconnectionContext *ctx)
{
if (ctx->current)
g_clear_object (&ctx->current);
/* No more bearers? all done! */
if (!ctx->bearers) {
mm_gdbus_modem_simple_complete_disconnect (ctx->skeleton,
ctx->invocation);
disconnection_context_free (ctx);
return;
}
ctx->current = MM_BEARER (ctx->bearers->data);
ctx->bearers = g_list_delete_link (ctx->bearers, ctx->bearers);
mm_bearer_disconnect (ctx->current,
(GAsyncReadyCallback)disconnect_ready,
ctx);
}
static void
build_connected_bearer_list (MMBearer *bearer,
DisconnectionContext *ctx)
{
if (!ctx->bearer_path ||
g_str_equal (ctx->bearer_path, mm_bearer_get_path (bearer)))
ctx->bearers = g_list_prepend (ctx->bearers, g_object_ref (bearer));
}
static gboolean
handle_disconnect (MmGdbusModemSimple *skeleton,
GDBusMethodInvocation *invocation,
const gchar *bearer_path,
MMIfaceModemSimple *self)
{
MMBearerList *list = NULL;
DisconnectionContext *ctx;
g_object_get (self,
MM_IFACE_MODEM_BEARER_LIST, &list,
NULL);
ctx = g_new0 (DisconnectionContext, 1);
ctx->skeleton = g_object_ref (skeleton);
ctx->self = g_object_ref (self);
ctx->invocation = g_object_ref (invocation);
if (bearer_path &&
bearer_path[0] == '/' &&
bearer_path[1]) {
ctx->bearer_path = g_strdup (ctx->bearer_path);
}
mm_bearer_list_foreach (list,
(MMBearerListForeachFunc)build_connected_bearer_list,
ctx);
g_object_unref (list);
if (ctx->bearer_path &&
!ctx->bearers) {
g_dbus_method_invocation_return_error (
invocation,
MM_CORE_ERROR,
MM_CORE_ERROR_INVALID_ARGS,
"Couldn't disconnect bearer '%s': not found",
ctx->bearer_path);
disconnection_context_free (ctx);
return TRUE;
}
disconnect_next_bearer (ctx);
return TRUE;
}
/*****************************************************************************/
static gboolean
handle_get_status (MmGdbusModemSimple *skeleton,
GDBusMethodInvocation *invocation,
MMIfaceModemSimple *self)
{
MMCommonSimpleProperties *properties = NULL;
GVariant *dictionary;
g_object_get (self,
MM_IFACE_MODEM_SIMPLE_STATUS, &properties,
NULL);
dictionary = mm_common_simple_properties_get_dictionary (properties);
mm_gdbus_modem_simple_complete_get_status (skeleton, invocation, dictionary);
g_variant_unref (dictionary);
g_object_unref (properties);
return TRUE;
}
/*****************************************************************************/
void
mm_iface_modem_simple_initialize (MMIfaceModemSimple *self)
{
MmGdbusModemSimple *skeleton = NULL;
g_return_if_fail (MM_IS_IFACE_MODEM_SIMPLE (self));
/* Did we already create it? */
g_object_get (self,
MM_IFACE_MODEM_SIMPLE_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton) {
skeleton = mm_gdbus_modem_simple_skeleton_new ();
g_object_set (self,
MM_IFACE_MODEM_SIMPLE_DBUS_SKELETON, skeleton,
NULL);
/* Handle method invocations */
g_signal_connect (skeleton,
"handle-connect",
G_CALLBACK (handle_connect),
self);
g_signal_connect (skeleton,
"handle-disconnect",
G_CALLBACK (handle_disconnect),
self);
g_signal_connect (skeleton,
"handle-get-status",
G_CALLBACK (handle_get_status),
self);
/* Finally, export the new interface */
mm_gdbus_object_skeleton_set_modem_simple (MM_GDBUS_OBJECT_SKELETON (self),
MM_GDBUS_MODEM_SIMPLE (skeleton));
}
g_object_unref (skeleton);
}
void
mm_iface_modem_simple_shutdown (MMIfaceModemSimple *self)
{
g_return_if_fail (MM_IS_IFACE_MODEM_SIMPLE (self));
/* Unexport DBus interface and remove the skeleton */
mm_gdbus_object_skeleton_set_modem_simple (MM_GDBUS_OBJECT_SKELETON (self), NULL);
g_object_set (self,
MM_IFACE_MODEM_SIMPLE_DBUS_SKELETON, NULL,
NULL);
}
/*****************************************************************************/
static void
iface_modem_simple_init (gpointer g_iface)
{
static gboolean initialized = FALSE;
if (initialized)
return;
/* Properties */
g_object_interface_install_property
(g_iface,
g_param_spec_object (MM_IFACE_MODEM_SIMPLE_DBUS_SKELETON,
"Simple DBus skeleton",
"DBus skeleton for the Simple interface",
MM_GDBUS_TYPE_MODEM_SIMPLE_SKELETON,
G_PARAM_READWRITE));
g_object_interface_install_property
(g_iface,
g_param_spec_object (MM_IFACE_MODEM_SIMPLE_STATUS,
"Simple status",
"Compilation of status values",
MM_TYPE_COMMON_SIMPLE_PROPERTIES,
G_PARAM_READWRITE));
initialized = TRUE;
}
GType
mm_iface_modem_simple_get_type (void)
{
static GType iface_modem_simple_type = 0;
if (!G_UNLIKELY (iface_modem_simple_type)) {
static const GTypeInfo info = {
sizeof (MMIfaceModemSimple), /* class_size */
iface_modem_simple_init, /* base_init */
NULL, /* base_finalize */
};
iface_modem_simple_type = g_type_register_static (G_TYPE_INTERFACE,
"MMIfaceModemSimple",
&info,
0);
g_type_interface_add_prerequisite (iface_modem_simple_type, MM_TYPE_IFACE_MODEM);
}
return iface_modem_simple_type;
}
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