[Spice-devel] [PATCH v3 07/13] UsbDeviceManager and redirect channel: spawn a different thread for disconnect device flow

Dmitry Fleytman dmitry at daynix.com
Sun Aug 16 04:57:12 PDT 2015


> On Aug 11, 2015, at 15:41 PM, Christophe Fergeau <cfergeau at redhat.com> wrote:
> 
> On Mon, Aug 03, 2015 at 04:10:47PM +0300, Kirill Moizik wrote:
>> From: Kirill Moizik <kmoizik at redhat.com>
>> 
>> ---
>> src/channel-usbredir-priv.h |  4 +++
>> src/channel-usbredir.c      | 20 ++++++++++++-
>> src/map-file                |  1 +
>> src/usb-device-manager.c    | 73 +++++++++++++++++++++++++++++++++++++++++++++
>> src/usb-device-manager.h    |  8 +++++
>> 5 files changed, 105 insertions(+), 1 deletion(-)
>> 
>> diff --git a/src/channel-usbredir-priv.h b/src/channel-usbredir-priv.h
>> index f2e17e3..6e6d58b 100644
>> --- a/src/channel-usbredir-priv.h
>> +++ b/src/channel-usbredir-priv.h
>> @@ -33,6 +33,10 @@ G_BEGIN_DECLS
>> void spice_usbredir_channel_set_context(SpiceUsbredirChannel *channel,
>>                                         libusb_context       *context);
>> 
>> +void spice_usbredir_channel_disconnect_device_async(SpiceUsbredirChannel *channel,
>> +                                                    GSimpleAsyncResult *simple,
>> +                                                    GCancellable *cancellable);
>> +
>> /* Note the context must be set, and the channel must be brought up
>>    (through spice_channel_connect()), before calling this. */
>> void spice_usbredir_channel_connect_device_async(
>> diff --git a/src/channel-usbredir.c b/src/channel-usbredir.c
>> index f1bd815..4cf1173 100644
>> --- a/src/channel-usbredir.c
>> +++ b/src/channel-usbredir.c
>> @@ -428,10 +428,12 @@ void spice_usbredir_channel_disconnect_device(GSimpleAsyncResult *simple,
>>                                               GObject *object,
>>                                               GCancellable *cancellable)
>> {
>> -    SpiceUsbredirChannelPrivate *priv = channel->priv;
>> 
>> +    SpiceUsbredirChannel *channel = SPICE_USBREDIR_CHANNEL(object);
>> +    SpiceUsbredirChannelPrivate *priv = channel->priv;
>>     CHANNEL_DEBUG(channel, "disconnecting device from usb channel %p", channel);
>> 
>> +    g_mutex_lock(priv->flows_mutex);
>>     switch (priv->state) {
>>     case STATE_DISCONNECTED:
>>     case STATE_DISCONNECTING:
>> @@ -465,6 +467,22 @@ void spice_usbredir_channel_disconnect_device(GSimpleAsyncResult *simple,
>>         priv->state  = STATE_DISCONNECTED;
>>         break;
>>     }
>> +    g_mutex_unlock(priv->flows_mutex);
>> +}
>> +
>> +void spice_usbredir_channel_disconnect_device_async(SpiceUsbredirChannel *channel,
>> +                                                    GSimpleAsyncResult *simple,
>> +                                                    GCancellable *cancellable)
>> +{
>> +    if (channel) {
>> +        g_object_ref(channel);
>> +        g_simple_async_result_run_in_thread(simple,
>> +                                            spice_usbredir_channel_disconnect_device,
>> +                                            G_PRIORITY_DEFAULT,
>> +                                            cancellable);
>> +    } else {
>> +        g_simple_async_result_complete_in_idle(simple);
>> +    }
>> }
>> 
>> G_GNUC_INTERNAL
>> diff --git a/src/map-file b/src/map-file
>> index 6d5a5ef..042889f 100644
>> --- a/src/map-file
>> +++ b/src/map-file
>> @@ -120,6 +120,7 @@ spice_usb_device_get_type;
>> spice_g_udev_set_redirecting;
>> spice_usb_device_manager_can_redirect_device;
>> spice_usb_device_manager_connect_device_async;
>> +spice_usb_device_manager_disconnect_device_async;
> 
> I don't think this needs to be here.

Moved to corresponding commit...

> 
>> spice_usb_device_manager_connect_device_finish;
>> spice_usb_device_manager_disconnect_device;
>> spice_usb_device_manager_get;
>> diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
>> index 901a1b9..ebd9307 100644
>> --- a/src/usb-device-manager.c
>> +++ b/src/usb-device-manager.c
>> @@ -1697,6 +1697,79 @@ void spice_usb_device_manager_disconnect_device(SpiceUsbDeviceManager *self,
>> #endif
>> }
>> 
>> +typedef struct _disconnect_cb_data
>> +{
>> +    SpiceUsbDeviceManager  *self;
>> +    GSimpleAsyncResult     *result;
>> +    SpiceUsbDevice         *device;
>> +} disconnect_cb_data;
>> +
>> +#ifdef USE_USBREDIR
>> +static
>> +void spice_usb_device_manager_disconnect_device_async_cb(GObject *gobject,
>> +                                                    GAsyncResult *channel_res,
>> +                                                    gpointer user_data)
>> +{
>> +    disconnect_cb_data    *data    = user_data;
>> +    GSimpleAsyncResult    *result  = G_SIMPLE_ASYNC_RESULT(data->result);
>> +    SpiceUsbDeviceManager *self    = SPICE_USB_DEVICE_MANAGER(data->self);
>> +
>> +#ifdef G_OS_WIN32
>> +    if (self->priv->use_usbclerk) {
>> +        spice_usb_device_manager_driver_uninstall_async(self, data->device);
>> +    }
>> +#endif
>> +
>> +    g_object_set(self, "redirecting", FALSE, NULL);
>> +
>> +#ifndef USE_LIBUSB_HOTPLUG
>> +    spice_g_udev_set_redirecting(FALSE);
>> +#endif
>> +    g_simple_async_result_complete(result);
>> +    g_object_unref(result);
>> +    g_object_unref(gobject);
>> +    g_free(data);
>> +}
>> +#endif
>> +
>> +void spice_usb_device_manager_disconnect_device_async(SpiceUsbDeviceManager *self,
>> +                                                      SpiceUsbDevice *device,
>> +                                                      GCancellable *cancellable,
>> +                                                      GAsyncReadyCallback callback,
>> +                                                      gpointer user_data)
>> +{
>> +#ifdef USE_USBREDIR
>> +    GSimpleAsyncResult *nested;
>> +    GSimpleAsyncResult *result;
>> +    g_return_if_fail(SPICE_IS_USB_DEVICE_MANAGER(self));
>> +
>> +    g_return_if_fail(device != NULL);
>> +    g_return_if_fail(self->priv->redirecting == FALSE);
>> +
>> +    SPICE_DEBUG("disconnecting device %p", device);
>> +
>> +    SpiceUsbredirChannel *channel;
>> +
>> +    g_object_set(self,"redirecting", TRUE, NULL);
>> +#ifndef USE_LIBUSB_HOTPLUG
>> +    spice_g_udev_set_redirecting(TRUE);
>> +#endif
>> +    channel = spice_usb_device_manager_get_channel_for_dev(self, device);
>> +    nested  = g_simple_async_result_new(G_OBJECT(self), callback, user_data,
>> +                              spice_usb_device_manager_disconnect_device_async);
>> +    disconnect_cb_data *data = g_new(disconnect_cb_data,1);
>> +    data->self = self;
>> +    data->result = nested;
>> +    data->device = device;
>> +
>> +    result = g_simple_async_result_new(G_OBJECT(channel),
>> +                       spice_usb_device_manager_disconnect_device_async_cb, data,
>> +                       spice_usb_device_manager_disconnect_device_async);
>> +
>> +    spice_usbredir_channel_disconnect_device_async(channel,result,cancellable);
> 
> Missing spaces between ‘,'


Thanks, fixed.

> 
> Christophe
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