/* -*- 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) 2010 Guido Guenther <agx@sigxcpu.org>
* Copyright (C) 2012 Google, Inc.
*/
#include <stdlib.h>
#include <string.h>
#include <ModemManager.h>
#define _LIBMM_INSIDE_MM
#include <libmm-glib.h>
#include "mm-iface-modem.h"
#include "mm-iface-modem-3gpp.h"
#include "mm-iface-modem-3gpp-ussd.h"
#include "mm-base-modem.h"
#include "mm-modem-helpers.h"
#include "mm-log.h"
#define SUPPORT_CHECKED_TAG "3gpp-ussd-support-checked-tag"
#define SUPPORTED_TAG "3gpp-ussd-supported-tag"
static GQuark support_checked_quark;
static GQuark supported_quark;
/*****************************************************************************/
void
mm_iface_modem_3gpp_ussd_bind_simple_status (MMIfaceModem3gppUssd *self,
MMSimpleStatus *status)
{
/* Nothing shown in simple status */
}
/*****************************************************************************/
static gboolean
ensure_enabled (MMBaseModem *self,
GError **error)
{
MMModemState modem_state;
modem_state = MM_MODEM_STATE_UNKNOWN;
g_object_get (self,
MM_IFACE_MODEM_STATE, &modem_state,
NULL);
switch (modem_state) {
case MM_MODEM_STATE_FAILED:
case MM_MODEM_STATE_UNKNOWN:
case MM_MODEM_STATE_LOCKED:
/* We should never have such request (interface wasn't exported yet) */
g_assert_not_reached ();
return FALSE;
case MM_MODEM_STATE_INITIALIZING:
case MM_MODEM_STATE_ENABLING:
case MM_MODEM_STATE_DISABLED:
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_WRONG_STATE,
"Cannot perform USSD action: "
"device not enabled yet");
return FALSE;
case MM_MODEM_STATE_DISABLING:
g_set_error (error,
MM_CORE_ERROR,
MM_CORE_ERROR_WRONG_STATE,
"Cannot perform USSD action: "
"currently being disabled");
return FALSE;
case MM_MODEM_STATE_ENABLED:
case MM_MODEM_STATE_SEARCHING:
case MM_MODEM_STATE_REGISTERED:
case MM_MODEM_STATE_DISCONNECTING:
case MM_MODEM_STATE_CONNECTING:
case MM_MODEM_STATE_CONNECTED:
break;
}
return TRUE;
}
/*****************************************************************************/
typedef struct {
MmGdbusModem3gppUssd *skeleton;
GDBusMethodInvocation *invocation;
MMIfaceModem3gppUssd *self;
} HandleCancelContext;
static void
handle_cancel_context_free (HandleCancelContext *ctx)
{
g_object_unref (ctx->skeleton);
g_object_unref (ctx->invocation);
g_object_unref (ctx->self);
g_free (ctx);
}
static void
handle_cancel_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
HandleCancelContext *ctx)
{
GError *error = NULL;
if (!MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cancel_finish (self, res, &error))
g_dbus_method_invocation_take_error (ctx->invocation, error);
else
mm_gdbus_modem3gpp_ussd_complete_cancel (ctx->skeleton, ctx->invocation);
handle_cancel_context_free (ctx);
}
static void
handle_cancel_auth_ready (MMBaseModem *self,
GAsyncResult *res,
HandleCancelContext *ctx)
{
GError *error = NULL;
if (!mm_base_modem_authorize_finish (self, res, &error) ||
!ensure_enabled (self, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
handle_cancel_context_free (ctx);
return;
}
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cancel != NULL);
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cancel_finish != NULL);
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cancel (
MM_IFACE_MODEM_3GPP_USSD (self),
(GAsyncReadyCallback)handle_cancel_ready,
ctx);
}
static gboolean
handle_cancel (MmGdbusModem3gppUssd *skeleton,
GDBusMethodInvocation *invocation,
MMIfaceModem3gppUssd *self)
{
HandleCancelContext *ctx;
ctx = g_new (HandleCancelContext, 1);
ctx->skeleton = g_object_ref (skeleton);
ctx->invocation = g_object_ref (invocation);
ctx->self = g_object_ref (self);
mm_base_modem_authorize (MM_BASE_MODEM (self),
invocation,
MM_AUTHORIZATION_USSD,
(GAsyncReadyCallback)handle_cancel_auth_ready,
ctx);
return TRUE;
}
/*****************************************************************************/
typedef struct {
MmGdbusModem3gppUssd *skeleton;
GDBusMethodInvocation *invocation;
MMIfaceModem3gppUssd *self;
gchar *command;
} HandleRespondContext;
static void
handle_respond_context_free (HandleRespondContext *ctx)
{
g_object_unref (ctx->skeleton);
g_object_unref (ctx->invocation);
g_object_unref (ctx->self);
g_free (ctx->command);
g_free (ctx);
}
static void
handle_respond_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
HandleRespondContext *ctx)
{
GError *error = NULL;
gchar *reply;
reply = MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send_finish (self, res, &error);
if (!reply)
g_dbus_method_invocation_take_error (ctx->invocation, error);
else {
mm_gdbus_modem3gpp_ussd_complete_respond (ctx->skeleton,
ctx->invocation,
reply);
g_free (reply);
}
handle_respond_context_free (ctx);
}
static void
handle_respond_auth_ready (MMBaseModem *self,
GAsyncResult *res,
HandleRespondContext *ctx)
{
GError *error = NULL;
if (!mm_base_modem_authorize_finish (self, res, &error) ||
!ensure_enabled (self, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
handle_respond_context_free (ctx);
return;
}
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send != NULL);
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send_finish != NULL);
switch (mm_gdbus_modem3gpp_ussd_get_state (ctx->skeleton)) {
case MM_MODEM_3GPP_USSD_SESSION_STATE_ACTIVE:
case MM_MODEM_3GPP_USSD_SESSION_STATE_IDLE:
g_dbus_method_invocation_return_error (ctx->invocation,
MM_CORE_ERROR,
MM_CORE_ERROR_WRONG_STATE,
"Cannot respond USSD: "
"no active session");
break;
case MM_MODEM_3GPP_USSD_SESSION_STATE_USER_RESPONSE:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send (
MM_IFACE_MODEM_3GPP_USSD (self),
ctx->command,
(GAsyncReadyCallback)handle_respond_ready,
ctx);
return;
case MM_MODEM_3GPP_USSD_SESSION_STATE_UNKNOWN:
default:
/* We should never have a DBus request when in UNKNOWN state */
g_assert_not_reached ();
break;
}
handle_respond_context_free (ctx);
}
static gboolean
handle_respond (MmGdbusModem3gppUssd *skeleton,
GDBusMethodInvocation *invocation,
const gchar *command,
MMIfaceModem3gppUssd *self)
{
HandleRespondContext *ctx;
ctx = g_new (HandleRespondContext, 1);
ctx->skeleton = g_object_ref (skeleton);
ctx->invocation = g_object_ref (invocation);
ctx->self = g_object_ref (self);
ctx->command = g_strdup (command);
mm_base_modem_authorize (MM_BASE_MODEM (self),
invocation,
MM_AUTHORIZATION_USSD,
(GAsyncReadyCallback)handle_respond_auth_ready,
ctx);
return TRUE;
}
/*****************************************************************************/
typedef struct {
MmGdbusModem3gppUssd *skeleton;
GDBusMethodInvocation *invocation;
MMIfaceModem3gppUssd *self;
gchar *command;
} HandleInitiateContext;
static void
handle_initiate_context_free (HandleInitiateContext *ctx)
{
g_object_unref (ctx->skeleton);
g_object_unref (ctx->invocation);
g_object_unref (ctx->self);
g_free (ctx->command);
g_free (ctx);
}
static void
handle_initiate_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
HandleInitiateContext *ctx)
{
GError *error = NULL;
gchar *reply;
reply = MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send_finish (self, res, &error);
if (!reply)
g_dbus_method_invocation_take_error (ctx->invocation, error);
else {
mm_gdbus_modem3gpp_ussd_complete_initiate (ctx->skeleton,
ctx->invocation,
reply);
g_free (reply);
}
handle_initiate_context_free (ctx);
}
static void
handle_initiate_auth_ready (MMBaseModem *self,
GAsyncResult *res,
HandleInitiateContext *ctx)
{
GError *error = NULL;
if (!mm_base_modem_authorize_finish (self, res, &error) ||
!ensure_enabled (self, &error)) {
g_dbus_method_invocation_take_error (ctx->invocation, error);
handle_initiate_context_free (ctx);
return;
}
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send != NULL);
g_assert (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send_finish != NULL);
switch (mm_gdbus_modem3gpp_ussd_get_state (ctx->skeleton)) {
case MM_MODEM_3GPP_USSD_SESSION_STATE_ACTIVE:
case MM_MODEM_3GPP_USSD_SESSION_STATE_USER_RESPONSE:
g_dbus_method_invocation_return_error (ctx->invocation,
MM_CORE_ERROR,
MM_CORE_ERROR_WRONG_STATE,
"Cannot initiate USSD: "
"a session is already active");
break;
case MM_MODEM_3GPP_USSD_SESSION_STATE_IDLE:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->send (
MM_IFACE_MODEM_3GPP_USSD (self),
ctx->command,
(GAsyncReadyCallback)handle_initiate_ready,
ctx);
return;
case MM_MODEM_3GPP_USSD_SESSION_STATE_UNKNOWN:
default:
/* We should never have a DBus request when in UNKNOWN state */
g_assert_not_reached ();
break;
}
handle_initiate_context_free (ctx);
}
static gboolean
handle_initiate (MmGdbusModem3gppUssd *skeleton,
GDBusMethodInvocation *invocation,
const gchar *command,
MMIfaceModem3gppUssd *self)
{
HandleInitiateContext *ctx;
ctx = g_new (HandleInitiateContext, 1);
ctx->skeleton = g_object_ref (skeleton);
ctx->invocation = g_object_ref (invocation);
ctx->self = g_object_ref (self);
ctx->command = g_strdup (command);
mm_base_modem_authorize (MM_BASE_MODEM (self),
invocation,
MM_AUTHORIZATION_USSD,
(GAsyncReadyCallback)handle_initiate_auth_ready,
ctx);
return TRUE;
}
/*****************************************************************************/
gchar *
mm_iface_modem_3gpp_ussd_encode (MMIfaceModem3gppUssd *self,
const gchar *command,
guint *scheme,
GError **error)
{
return MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->encode (self, command, scheme, error);
}
gchar *
mm_iface_modem_3gpp_ussd_decode (MMIfaceModem3gppUssd *self,
const gchar *reply,
GError **error)
{
return MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->decode (self, reply, error);
}
/*****************************************************************************/
MMModem3gppUssdSessionState
mm_iface_modem_3gpp_ussd_get_state (MMIfaceModem3gppUssd *self)
{
MmGdbusModem3gppUssd *skeleton = NULL;
MMModem3gppUssdSessionState state;
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton)
return MM_MODEM_3GPP_USSD_SESSION_STATE_UNKNOWN;
state = (MMModem3gppUssdSessionState) mm_gdbus_modem3gpp_ussd_get_state (skeleton);
g_object_unref (skeleton);
return state;
}
void
mm_iface_modem_3gpp_ussd_update_state (MMIfaceModem3gppUssd *self,
MMModem3gppUssdSessionState new_state)
{
MmGdbusModem3gppUssd *skeleton = NULL;
MMModem3gppUssdSessionState old_state;
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton)
return;
old_state = (MMModem3gppUssdSessionState) mm_gdbus_modem3gpp_ussd_get_state (skeleton);
if (old_state != new_state)
mm_gdbus_modem3gpp_ussd_set_state (skeleton, new_state);
g_object_unref (skeleton);
}
void
mm_iface_modem_3gpp_ussd_update_network_notification (MMIfaceModem3gppUssd *self,
const gchar *network_notification)
{
MmGdbusModem3gppUssd *skeleton = NULL;
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton)
return;
mm_gdbus_modem3gpp_ussd_set_network_notification (skeleton,
network_notification);
g_object_unref (skeleton);
}
void
mm_iface_modem_3gpp_ussd_update_network_request (MMIfaceModem3gppUssd *self,
const gchar *network_request)
{
MmGdbusModem3gppUssd *skeleton = NULL;
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton)
return;
mm_gdbus_modem3gpp_ussd_set_network_request (skeleton,
network_request);
g_object_unref (skeleton);
}
/*****************************************************************************/
typedef struct _DisablingContext DisablingContext;
static void interface_disabling_step (GTask *task);
typedef enum {
DISABLING_STEP_FIRST,
DISABLING_STEP_DISABLE_UNSOLICITED_EVENTS,
DISABLING_STEP_CLEANUP_UNSOLICITED_EVENTS,
DISABLING_STEP_LAST
} DisablingStep;
struct _DisablingContext {
DisablingStep step;
MmGdbusModem3gppUssd *skeleton;
};
static void
disabling_context_free (DisablingContext *ctx)
{
if (ctx->skeleton)
g_object_unref (ctx->skeleton);
g_free (ctx);
}
gboolean
mm_iface_modem_3gpp_ussd_disable_finish (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
disable_unsolicited_events_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GTask *task)
{
DisablingContext *ctx;
GError *error = NULL;
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->disable_unsolicited_events_finish (self, res, &error);
if (error) {
/* This error shouldn't be treated as critical */
mm_dbg ("Couldn't disable unsolicited USSD events: '%s'", error->message);
g_error_free (error);
}
/* Go on to next step */
ctx = g_task_get_task_data (task);
ctx->step++;
interface_disabling_step (task);
}
static void
cleanup_unsolicited_events_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GTask *task)
{
DisablingContext *ctx;
GError *error = NULL;
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cleanup_unsolicited_events_finish (self, res, &error);
if (error) {
/* This error shouldn't be treated as critical */
mm_dbg ("Couldn't cleanup unsolicited USSD events: '%s'", error->message);
g_error_free (error);
}
/* Go on to next step */
ctx = g_task_get_task_data (task);
ctx->step++;
interface_disabling_step (task);
}
static void
interface_disabling_step (GTask *task)
{
MMIfaceModem3gppUssd *self;
DisablingContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
switch (ctx->step) {
case DISABLING_STEP_FIRST:
/* Fall down to next step */
ctx->step++;
case DISABLING_STEP_DISABLE_UNSOLICITED_EVENTS:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->disable_unsolicited_events (
self,
(GAsyncReadyCallback)disable_unsolicited_events_ready,
task);
return;
case DISABLING_STEP_CLEANUP_UNSOLICITED_EVENTS:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->cleanup_unsolicited_events (
self,
(GAsyncReadyCallback)cleanup_unsolicited_events_ready,
task);
return;
case DISABLING_STEP_LAST:
/* We are done without errors! */
mm_iface_modem_3gpp_ussd_update_state (MM_IFACE_MODEM_3GPP_USSD (self),
MM_MODEM_3GPP_USSD_SESSION_STATE_UNKNOWN);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
g_assert_not_reached ();
}
void
mm_iface_modem_3gpp_ussd_disable (MMIfaceModem3gppUssd *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
DisablingContext *ctx;
GTask *task;
ctx = g_new0 (DisablingContext, 1);
ctx->step = DISABLING_STEP_FIRST;
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)disabling_context_free);
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &ctx->skeleton,
NULL);
if (!ctx->skeleton) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't get interface skeleton");
g_object_unref (task);
return;
}
interface_disabling_step (task);
}
/*****************************************************************************/
typedef struct _EnablingContext EnablingContext;
static void interface_enabling_step (GTask *task);
typedef enum {
ENABLING_STEP_FIRST,
ENABLING_STEP_SETUP_UNSOLICITED_EVENTS,
ENABLING_STEP_ENABLE_UNSOLICITED_EVENTS,
ENABLING_STEP_LAST
} EnablingStep;
struct _EnablingContext {
EnablingStep step;
MmGdbusModem3gppUssd *skeleton;
};
static void
enabling_context_free (EnablingContext *ctx)
{
if (ctx->skeleton)
g_object_unref (ctx->skeleton);
g_free (ctx);
}
gboolean
mm_iface_modem_3gpp_ussd_enable_finish (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
setup_unsolicited_events_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GTask *task)
{
EnablingContext *ctx;
GError *error = NULL;
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->setup_unsolicited_events_finish (self, res, &error);
if (error) {
/* This error shouldn't be treated as critical */
mm_dbg ("Couldn't setup unsolicited USSD events: '%s'", error->message);
g_error_free (error);
}
/* Go on to next step */
ctx = g_task_get_task_data (task);
ctx->step++;
interface_enabling_step (task);
}
static void
enable_unsolicited_events_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GTask *task)
{
EnablingContext *ctx;
GError *error = NULL;
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->enable_unsolicited_events_finish (self, res, &error);
if (error) {
/* This error shouldn't be treated as critical */
mm_dbg ("Couldn't enable unsolicited USSD events: '%s'", error->message);
g_error_free (error);
}
/* Go on to next step */
ctx = g_task_get_task_data (task);
ctx->step++;
interface_enabling_step (task);
}
static void
interface_enabling_step (GTask *task)
{
MMIfaceModem3gppUssd *self;
EnablingContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
switch (ctx->step) {
case ENABLING_STEP_FIRST:
/* Fall down to next step */
ctx->step++;
case ENABLING_STEP_SETUP_UNSOLICITED_EVENTS:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->setup_unsolicited_events (
self,
(GAsyncReadyCallback)setup_unsolicited_events_ready,
task);
return;
case ENABLING_STEP_ENABLE_UNSOLICITED_EVENTS:
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->enable_unsolicited_events (
self,
(GAsyncReadyCallback)enable_unsolicited_events_ready,
task);
return;
case ENABLING_STEP_LAST:
/* We are done without errors! */
mm_iface_modem_3gpp_ussd_update_state (MM_IFACE_MODEM_3GPP_USSD (self),
MM_MODEM_3GPP_USSD_SESSION_STATE_IDLE);
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
g_assert_not_reached ();
}
void
mm_iface_modem_3gpp_ussd_enable (MMIfaceModem3gppUssd *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
EnablingContext *ctx;
GTask *task;
ctx = g_new0 (EnablingContext, 1);
ctx->step = ENABLING_STEP_FIRST;
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)enabling_context_free);
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &ctx->skeleton,
NULL);
if (!ctx->skeleton) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_FAILED,
"Couldn't get interface skeleton");
g_object_unref (task);
return;
}
interface_enabling_step (task);
}
/*****************************************************************************/
typedef struct _InitializationContext InitializationContext;
static void interface_initialization_step (GTask *task);
typedef enum {
INITIALIZATION_STEP_FIRST,
INITIALIZATION_STEP_CHECK_SUPPORT,
INITIALIZATION_STEP_FAIL_IF_UNSUPPORTED,
INITIALIZATION_STEP_LAST
} InitializationStep;
struct _InitializationContext {
MmGdbusModem3gppUssd *skeleton;
InitializationStep step;
};
static void
initialization_context_free (InitializationContext *ctx)
{
g_object_unref (ctx->skeleton);
g_free (ctx);
}
static void
check_support_ready (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GTask *task)
{
InitializationContext *ctx;
GError *error = NULL;
if (!MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->check_support_finish (self,
res,
&error)) {
if (error) {
/* This error shouldn't be treated as critical */
mm_dbg ("USSD support check failed: '%s'", error->message);
g_error_free (error);
}
} else {
/* USSD is supported! */
g_object_set_qdata (G_OBJECT (self),
supported_quark,
GUINT_TO_POINTER (TRUE));
}
/* Go on to next step */
ctx = g_task_get_task_data (task);
ctx->step++;
interface_initialization_step (task);
}
static void
interface_initialization_step (GTask *task)
{
MMIfaceModem3gppUssd *self;
InitializationContext *ctx;
self = g_task_get_source_object (task);
ctx = g_task_get_task_data (task);
switch (ctx->step) {
case INITIALIZATION_STEP_FIRST:
/* Setup quarks if we didn't do it before */
if (G_UNLIKELY (!support_checked_quark))
support_checked_quark = (g_quark_from_static_string (
SUPPORT_CHECKED_TAG));
if (G_UNLIKELY (!supported_quark))
supported_quark = (g_quark_from_static_string (
SUPPORTED_TAG));
/* Fall down to next step */
ctx->step++;
case INITIALIZATION_STEP_CHECK_SUPPORT:
if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (self),
support_checked_quark))) {
/* Set the checked flag so that we don't run it again */
g_object_set_qdata (G_OBJECT (self),
support_checked_quark,
GUINT_TO_POINTER (TRUE));
/* Initially, assume we don't support it */
g_object_set_qdata (G_OBJECT (self),
supported_quark,
GUINT_TO_POINTER (FALSE));
if (MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->check_support &&
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->check_support_finish) {
MM_IFACE_MODEM_3GPP_USSD_GET_INTERFACE (self)->check_support (
self,
(GAsyncReadyCallback)check_support_ready,
task);
return;
}
/* If there is no implementation to check support, assume we DON'T
* support it. */
}
/* Fall down to next step */
ctx->step++;
case INITIALIZATION_STEP_FAIL_IF_UNSUPPORTED:
if (!GPOINTER_TO_UINT (g_object_get_qdata (G_OBJECT (self),
supported_quark))) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_UNSUPPORTED,
"USSD not supported");
g_object_unref (task);
return;
}
/* Fall down to next step */
ctx->step++;
case INITIALIZATION_STEP_LAST:
/* We are done without errors! */
/* Handle method invocations */
g_signal_connect (ctx->skeleton,
"handle-initiate",
G_CALLBACK (handle_initiate),
self);
g_signal_connect (ctx->skeleton,
"handle-respond",
G_CALLBACK (handle_respond),
self);
g_signal_connect (ctx->skeleton,
"handle-cancel",
G_CALLBACK (handle_cancel),
self);
/* Finally, export the new interface */
mm_gdbus_object_skeleton_set_modem3gpp_ussd (MM_GDBUS_OBJECT_SKELETON (self),
MM_GDBUS_MODEM3GPP_USSD (ctx->skeleton));
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
g_assert_not_reached ();
}
gboolean
mm_iface_modem_3gpp_ussd_initialize_finish (MMIfaceModem3gppUssd *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
void
mm_iface_modem_3gpp_ussd_initialize (MMIfaceModem3gppUssd *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
InitializationContext *ctx;
MmGdbusModem3gppUssd *skeleton = NULL;
GTask *task;
/* Did we already create it? */
g_object_get (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, &skeleton,
NULL);
if (!skeleton) {
skeleton = mm_gdbus_modem3gpp_ussd_skeleton_new ();
/* Set all initial property defaults */
mm_gdbus_modem3gpp_ussd_set_state (skeleton, MM_MODEM_3GPP_USSD_SESSION_STATE_UNKNOWN);
mm_gdbus_modem3gpp_ussd_set_network_notification (skeleton, NULL);
mm_gdbus_modem3gpp_ussd_set_network_request (skeleton, NULL);
g_object_set (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, skeleton,
NULL);
}
/* Perform async initialization here */
ctx = g_new0 (InitializationContext, 1);
ctx->step = INITIALIZATION_STEP_FIRST;
ctx->skeleton = skeleton;
task = g_task_new (self, NULL, callback, user_data);
g_task_set_task_data (task, ctx, (GDestroyNotify)initialization_context_free);
interface_initialization_step (task);
}
void
mm_iface_modem_3gpp_ussd_shutdown (MMIfaceModem3gppUssd *self)
{
/* Unexport DBus interface and remove the skeleton */
mm_gdbus_object_skeleton_set_modem3gpp_ussd (MM_GDBUS_OBJECT_SKELETON (self), NULL);
g_object_set (self,
MM_IFACE_MODEM_3GPP_USSD_DBUS_SKELETON, NULL,
NULL);
}
/*****************************************************************************/
static void
iface_modem_3gpp_ussd_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_3GPP_USSD_DBUS_SKELETON,
"3GPP DBus skeleton",
"DBus skeleton for the 3GPP interface",
MM_GDBUS_TYPE_MODEM3GPP_USSD_SKELETON,
G_PARAM_READWRITE));
initialized = TRUE;
}
GType
mm_iface_modem_3gpp_ussd_get_type (void)
{
static GType iface_modem_3gpp_ussd_type = 0;
if (!G_UNLIKELY (iface_modem_3gpp_ussd_type)) {
static const GTypeInfo info = {
sizeof (MMIfaceModem3gppUssd), /* class_size */
iface_modem_3gpp_ussd_init, /* base_init */
NULL, /* base_finalize */
};
iface_modem_3gpp_ussd_type = g_type_register_static (G_TYPE_INTERFACE,
"MMIfaceModem3gppUssd",
&info,
0);
g_type_interface_add_prerequisite (iface_modem_3gpp_ussd_type, MM_TYPE_IFACE_MODEM_3GPP);
}
return iface_modem_3gpp_ussd_type;
}