/* -*- 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) 2013-2018 Aleksander Morgado <aleksander@gnu.org>
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#if defined WITH_QMI
# include <libqmi-glib.h>
#endif
#include <ModemManager.h>
#include <mm-errors-types.h>
#include "mm-port-mbim.h"
#include "mm-log.h"
G_DEFINE_TYPE (MMPortMbim, mm_port_mbim, MM_TYPE_PORT)
struct _MMPortMbimPrivate {
gboolean in_progress;
MbimDevice *mbim_device;
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
QmiDevice *qmi_device;
GList *qmi_clients;
#endif
};
/*****************************************************************************/
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
gboolean
mm_port_mbim_supports_qmi (MMPortMbim *self)
{
return !!self->priv->qmi_device;
}
QmiClient *
mm_port_mbim_peek_qmi_client (MMPortMbim *self,
QmiService service)
{
GList *l;
for (l = self->priv->qmi_clients; l; l = g_list_next (l)) {
QmiClient *qmi_client = QMI_CLIENT (l->data);
if (qmi_client_get_service (qmi_client) == service)
return qmi_client;
}
return NULL;
}
QmiClient *
mm_port_mbim_get_qmi_client (MMPortMbim *self,
QmiService service)
{
QmiClient *client;
client = mm_port_mbim_peek_qmi_client (self, service);
return (client ? g_object_ref (client) : NULL);
}
gboolean
mm_port_mbim_allocate_qmi_client_finish (MMPortMbim *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
allocate_client_ready (QmiDevice *qmi_device,
GAsyncResult *res,
GTask *task)
{
MMPortMbim *self;
QmiClient *qmi_client;
GError *error = NULL;
self = g_task_get_source_object (task);
qmi_client = qmi_device_allocate_client_finish (qmi_device, res, &error);
if (!qmi_client) {
g_prefix_error (&error,
"Couldn't create QMI client for service '%s': ",
qmi_service_get_string ((QmiService) GPOINTER_TO_INT (g_task_get_task_data (task))));
g_task_return_error (task, error);
} else {
/* Store the client in our internal list */
self->priv->qmi_clients = g_list_prepend (self->priv->qmi_clients, qmi_client);
g_task_return_boolean (task, TRUE);
}
g_object_unref (task);
}
void
mm_port_mbim_allocate_qmi_client (MMPortMbim *self,
QmiService service,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
task = g_task_new (self, cancellable, callback, user_data);
if (!mm_port_mbim_is_open (self)) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_WRONG_STATE,
"Port is closed");
g_object_unref (task);
return;
}
if (!mm_port_mbim_supports_qmi (self)) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_UNSUPPORTED,
"Port doesn't support QMI over MBIM");
g_object_unref (task);
return;
}
if (!!mm_port_mbim_peek_qmi_client (self, service)) {
g_task_return_new_error (task, MM_CORE_ERROR, MM_CORE_ERROR_EXISTS,
"Client for service '%s' already allocated",
qmi_service_get_string (service));
g_object_unref (task);
return;
}
g_task_set_task_data (task, GINT_TO_POINTER (service), NULL);
qmi_device_allocate_client (self->priv->qmi_device,
service,
QMI_CID_NONE,
10,
cancellable,
(GAsyncReadyCallback)allocate_client_ready,
task);
}
#endif
/*****************************************************************************/
gboolean
mm_port_mbim_open_finish (MMPortMbim *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
static void
qmi_device_open_ready (QmiDevice *dev,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
MMPortMbim *self;
self = g_task_get_source_object (task);
if (!qmi_device_open_finish (dev, res, &error)) {
mm_dbg ("[%s] error: couldn't open QmiDevice: %s",
mm_port_get_device (MM_PORT (self)),
error->message);
g_error_free (error);
g_clear_object (&self->priv->qmi_device);
/* Ignore error and complete */
mm_info ("[%s] MBIM device is not QMI capable",
mm_port_get_device (MM_PORT (self)));
} else {
mm_info ("[%s] MBIM device is QMI capable",
mm_port_get_device (MM_PORT (self)));
}
self->priv->in_progress = FALSE;
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
qmi_device_new_ready (GObject *unused,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
MMPortMbim *self;
self = g_task_get_source_object (task);
self->priv->qmi_device = qmi_device_new_finish (res, &error);
if (!self->priv->qmi_device) {
mm_dbg ("[%s] error: couldn't create QmiDevice: %s",
mm_port_get_device (MM_PORT (self)),
error->message);
g_error_free (error);
/* Ignore error and complete */
mm_info ("[%s] MBIM device is not QMI capable",
mm_port_get_device (MM_PORT (self)));
self->priv->in_progress = FALSE;
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
/* Try to open using QMI over MBIM */
mm_dbg ("[%s] trying to open QMI over MBIM device...",
mm_port_get_device (MM_PORT (self)));
qmi_device_open (self->priv->qmi_device,
(QMI_DEVICE_OPEN_FLAGS_PROXY |
QMI_DEVICE_OPEN_FLAGS_MBIM |
QMI_DEVICE_OPEN_FLAGS_VERSION_INFO |
QMI_DEVICE_OPEN_FLAGS_EXPECT_INDICATIONS),
15,
g_task_get_cancellable (task),
(GAsyncReadyCallback)qmi_device_open_ready,
task);
}
#endif
static void
mbim_device_open_ready (MbimDevice *mbim_device,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
MMPortMbim *self;
self = g_task_get_source_object (task);
if (!mbim_device_open_full_finish (mbim_device, res, &error)) {
g_clear_object (&self->priv->mbim_device);
self->priv->in_progress = FALSE;
g_task_return_error (task, error);
g_object_unref (task);
return;
}
mm_dbg ("[%s] MBIM device is now open",
mm_port_get_device (MM_PORT (self)));
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
{
GFile *file;
if ((file = G_FILE (g_task_get_task_data (task)))) {
mm_dbg ("[%s] checking if QMI over MBIM is supported",
mm_port_get_device (MM_PORT (self)));
qmi_device_new (file,
g_task_get_cancellable (task),
(GAsyncReadyCallback) qmi_device_new_ready,
task);
return;
}
}
#endif
self->priv->in_progress = FALSE;
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
static void
mbim_device_new_ready (GObject *unused,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
MMPortMbim *self;
self = g_task_get_source_object (task);
self->priv->mbim_device = mbim_device_new_finish (res, &error);
if (!self->priv->mbim_device) {
g_task_return_error (task, error);
g_object_unref (task);
return;
}
/* Now open the MBIM device */
mbim_device_open_full (self->priv->mbim_device,
MBIM_DEVICE_OPEN_FLAGS_PROXY,
30,
g_task_get_cancellable (task),
(GAsyncReadyCallback)mbim_device_open_ready,
task);
}
void
mm_port_mbim_open (MMPortMbim *self,
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
gboolean try_qmi_over_mbim,
#endif
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data)
{
GFile *file;
gchar *fullpath;
GTask *task;
g_return_if_fail (MM_IS_PORT_MBIM (self));
task = g_task_new (self, cancellable, callback, user_data);
if (self->priv->in_progress) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_IN_PROGRESS,
"MBIM device open/close operation in progress");
g_object_unref (task);
return;
}
if (self->priv->mbim_device) {
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
fullpath = g_strdup_printf ("/dev/%s", mm_port_get_device (MM_PORT (self)));
file = g_file_new_for_path (fullpath);
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
/* If we want to try QMI over MBIM, store the GFile as task data */
if (try_qmi_over_mbim)
g_task_set_task_data (task, g_object_ref (file), g_object_unref);
#endif
self->priv->in_progress = TRUE;
mbim_device_new (file,
cancellable,
(GAsyncReadyCallback)mbim_device_new_ready,
task);
g_free (fullpath);
g_object_unref (file);
}
/*****************************************************************************/
gboolean
mm_port_mbim_is_open (MMPortMbim *self)
{
g_return_val_if_fail (MM_IS_PORT_MBIM (self), FALSE);
return !!self->priv->mbim_device;
}
/*****************************************************************************/
gboolean
mm_port_mbim_close_finish (MMPortMbim *self,
GAsyncResult *res,
GError **error)
{
return g_task_propagate_boolean (G_TASK (res), error);
}
static void
mbim_device_close_ready (MbimDevice *device,
GAsyncResult *res,
GTask *task)
{
GError *error = NULL;
MMPortMbim *self;
self = g_task_get_source_object (task);
self->priv->in_progress = FALSE;
g_clear_object (&self->priv->mbim_device);
if (!mbim_device_close_finish (device, res, &error))
g_task_return_error (task, error);
else
g_task_return_boolean (task, TRUE);
g_object_unref (task);
}
void
mm_port_mbim_close (MMPortMbim *self,
GAsyncReadyCallback callback,
gpointer user_data)
{
GTask *task;
g_return_if_fail (MM_IS_PORT_MBIM (self));
task = g_task_new (self, NULL, callback, user_data);
if (self->priv->in_progress) {
g_task_return_new_error (task,
MM_CORE_ERROR,
MM_CORE_ERROR_IN_PROGRESS,
"MBIM device open/close operation in progress");
g_object_unref (task);
return;
}
if (!self->priv->mbim_device) {
g_task_return_boolean (task, TRUE);
g_object_unref (task);
return;
}
self->priv->in_progress = TRUE;
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
if (self->priv->qmi_device) {
GError *error = NULL;
if (!qmi_device_close (self->priv->qmi_device, &error)) {
mm_warn ("Couldn't properly close QMI device: %s", error->message);
g_error_free (error);
}
g_clear_object (&self->priv->qmi_device);
}
#endif
mbim_device_close (self->priv->mbim_device,
5,
NULL,
(GAsyncReadyCallback)mbim_device_close_ready,
task);
g_clear_object (&self->priv->mbim_device);
}
/*****************************************************************************/
MbimDevice *
mm_port_mbim_peek_device (MMPortMbim *self)
{
g_return_val_if_fail (MM_IS_PORT_MBIM (self), NULL);
return self->priv->mbim_device;
}
/*****************************************************************************/
MMPortMbim *
mm_port_mbim_new (const gchar *name)
{
return MM_PORT_MBIM (g_object_new (MM_TYPE_PORT_MBIM,
MM_PORT_DEVICE, name,
MM_PORT_SUBSYS, MM_PORT_SUBSYS_USB,
MM_PORT_TYPE, MM_PORT_TYPE_MBIM,
NULL));
}
static void
mm_port_mbim_init (MMPortMbim *self)
{
self->priv = G_TYPE_INSTANCE_GET_PRIVATE (self, MM_TYPE_PORT_MBIM, MMPortMbimPrivate);
}
static void
dispose (GObject *object)
{
MMPortMbim *self = MM_PORT_MBIM (object);
#if defined WITH_QMI && QMI_MBIM_QMUX_SUPPORTED
g_list_free_full (self->priv->qmi_clients, g_object_unref);
self->priv->qmi_clients = NULL;
g_clear_object (&self->priv->qmi_device);
#endif
/* Clear device object */
g_clear_object (&self->priv->mbim_device);
G_OBJECT_CLASS (mm_port_mbim_parent_class)->dispose (object);
}
static void
mm_port_mbim_class_init (MMPortMbimClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
g_type_class_add_private (object_class, sizeof (MMPortMbimPrivate));
/* Virtual methods */
object_class->dispose = dispose;
}