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

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On Aug 11, 2015, at 15:41 PM, Christophe Fergeau <cfergeau@xxxxxxxxxx> wrote:

On Mon, Aug 03, 2015 at 04:10:47PM +0300, Kirill Moizik wrote:
From: Kirill Moizik <kmoizik@xxxxxxxxxx>

---
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 = "" class="">+    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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