Re: [PATCH v4 08/16] UsbDevicemanager: Track device redirection operations in progress

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On Sun, Aug 16, 2015 at 03:35:45PM +0300, Dmitry Fleytman wrote:
> From: Kirill Moizik <kmoizik@xxxxxxxxxx>
> 
> Signed-off-by: Kirill Moizik <kmoizik@xxxxxxxxxx>
> Signed-off-by: Dmitry Fleytman <dfleytma@xxxxxxxxxx>
> ---
>  src/usb-device-manager.c | 71 ++++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 62 insertions(+), 9 deletions(-)
> 
> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
> index af2c87a..f133907 100644
> --- a/src/usb-device-manager.c
> +++ b/src/usb-device-manager.c
> @@ -122,6 +122,7 @@ struct _SpiceUsbDeviceManagerPrivate {
>      GUdevClient *udev;
>      libusb_device **coldplug_list; /* Avoid needless reprobing during init */
>  #else
> +    gboolean redirecting;
>      libusb_hotplug_callback_handle hp_handle;
>  #endif
>  #ifdef G_OS_WIN32
> @@ -205,10 +206,25 @@ _spice_usb_device_manager_connect_device_async(SpiceUsbDeviceManager *self,
>                                                 GAsyncReadyCallback callback,
>                                                 gpointer user_data);
>  
> +static
> +void _connect_device_async_cb(GObject *gobject,
> +                              GAsyncResult *channel_res,
> +                              gpointer user_data);
> +
>  G_DEFINE_BOXED_TYPE(SpiceUsbDevice, spice_usb_device,
>                      (GBoxedCopyFunc)spice_usb_device_ref,
>                      (GBoxedFreeFunc)spice_usb_device_unref)
>  
> +static void
> +_set_redirecting(SpiceUsbDeviceManager *self, gboolean is_redirecting)
> +{
> +#ifdef USE_GUDEV
> +    g_object_set(self->priv->udev, "redirecting", is_redirecting, NULL);
> +#else
> +    self->priv->redirecting = is_redirecting;
> +#endif
> +}
> +
>  #else
>  G_DEFINE_BOXED_TYPE(SpiceUsbDevice, spice_usb_device, g_object_ref, g_object_unref)
>  #endif
> @@ -1103,6 +1119,13 @@ static void spice_usb_device_manager_channel_connect_cb(
>      g_object_unref(result);
>  }
>  
> +typedef struct _connect_cb_data
> +{
> +    SpiceUsbDeviceManager  *self;
> +    GAsyncReadyCallback     callback;
> +    gpointer                user_data;
> +} connect_cb_data;
> +

This looks like a GSimpleAsyncResult could be passed around instead of
this new structure?

>  #ifdef G_OS_WIN32
>  
>  typedef struct _UsbInstallCbInfo {
> @@ -1138,7 +1161,7 @@ static void spice_usb_device_manager_drv_install_cb(GObject *gobject,
>      SpiceUsbDevice *device;
>      UsbInstallCbInfo *cbinfo;
>      GCancellable *cancellable;
> -    GAsyncReadyCallback callback;
> +    connect_cb_data *data;
>  
>      g_return_if_fail(user_data != NULL);
>  
> @@ -1147,8 +1170,7 @@ static void spice_usb_device_manager_drv_install_cb(GObject *gobject,
>      device      = cbinfo->device;
>      installer   = cbinfo->installer;
>      cancellable = cbinfo->cancellable;
> -    callback    = cbinfo->callback;
> -    user_data   = cbinfo->user_data;
> +    data        = cbinfo->user_data;
>  
>      g_free(cbinfo);
>  
> @@ -1170,8 +1192,8 @@ static void spice_usb_device_manager_drv_install_cb(GObject *gobject,
>      _spice_usb_device_manager_connect_device_async(self,
>                                                     device,
>                                                     cancellable,
> -                                                   callback,
> -                                                   user_data);
> +                                                   _connect_device_async_cb,
> +                                                   data);
>  
>      spice_usb_device_unref(device);
>  }
> @@ -1552,8 +1574,17 @@ void spice_usb_device_manager_connect_device_async(SpiceUsbDeviceManager *self,
>                                               GAsyncReadyCallback callback,
>                                               gpointer user_data)
>  {
> +    g_return_if_fail(SPICE_IS_USB_DEVICE_MANAGER(self));
> +#ifdef USE_USBREDIR
> +    _set_redirecting(self, TRUE);
> +
> +    connect_cb_data *data = g_new(connect_cb_data, 1);
> +    data->self = self;
> +    data->callback  = callback;
> +    data->user_data = user_data;
> +
>      if (self->priv->use_usbclerk) {
> -#if defined(USE_USBREDIR) && defined(G_OS_WIN32)
> +#ifdef G_OS_WIN32
>          SpiceWinUsbDriver *installer;
>          UsbInstallCbInfo *cbinfo;
>  
> @@ -1568,7 +1599,7 @@ void spice_usb_device_manager_connect_device_async(SpiceUsbDeviceManager *self,
>          cbinfo->installer   = installer;
>          cbinfo->cancellable = cancellable;
>          cbinfo->callback    = callback;
> -        cbinfo->user_data   = user_data;
> +        cbinfo->user_data   = data;
>  
>          spice_win_usb_driver_install_async(installer, device, cancellable,
>                                             spice_usb_device_manager_drv_install_cb,
> @@ -1580,9 +1611,10 @@ void spice_usb_device_manager_connect_device_async(SpiceUsbDeviceManager *self,
>          _spice_usb_device_manager_connect_device_async(self,
>                                                         device,
>                                                         cancellable,
> -                                                       callback,
> -                                                       user_data);
> +                                                       _connect_device_async_cb,
> +                                                       data);
>      }
> +#endif
>  }
>  
>  gboolean spice_usb_device_manager_connect_device_finish(
> @@ -1600,6 +1632,27 @@ gboolean spice_usb_device_manager_connect_device_finish(
>      return TRUE;
>  }
>  
> +#ifdef USE_USBREDIR
> +static
> +void _connect_device_async_cb(GObject *gobject,
> +                              GAsyncResult *channel_res,
> +                              gpointer user_data)
> +{
> +    connect_cb_data    *data    = user_data;
> +    GSimpleAsyncResult *result  = g_simple_async_result_new(
> +                                    G_OBJECT(data->self),
> +                                    data->callback,
> +                                    data->user_data,
> +                                    spice_usb_device_manager_connect_device_async);
> +
> +    _set_redirecting(data->self, FALSE);
> +
> +    g_simple_async_result_complete(result);
> +    g_object_unref(result);
> +    g_free(data);
> +}
> +#endif
> +
>  /**
>   * spice_usb_device_manager_disconnect_device:
>   * @manager: the #SpiceUsbDeviceManager manager
> -- 
> 2.4.3
> 
> _______________________________________________
> Spice-devel mailing list
> Spice-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

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