[Spice-devel] [PATCH shared-cd v1 2/9] add spice_usb_device_manager shared CD related api functions

[alexander at daynix.com]

From: Alexander Nezhinsky <anezhins at redhat.com>

The following functions are added:
spice_usb_device_manager_create_shared_cd_device
spice_usb_device_manager_is_device_shared_cd
spice_usb_device_manager_remove_shared_cd_device

Signed-off-by: Alexander Nezhinsky <anezhins at redhat.com>
---
 src/map-file             |  3 ++
 src/usb-device-manager.c | 87 ++++++++++++++++++++++++++++++++++++++++
 src/usb-device-manager.h | 14 +++++++
 3 files changed, 104 insertions(+)

diff --git a/src/map-file b/src/map-file
index 3cb9873..5ae56c3 100644
--- a/src/map-file
+++ b/src/map-file
@@ -180,6 +180,9 @@ spice_usb_device_manager_get_devices_with_filter;
 spice_usb_device_manager_get_type;
 spice_usb_device_manager_is_device_connected;
 spice_usb_device_manager_is_redirecting;
+spice_usb_device_manager_create_shared_cd_device;
+spice_usb_device_manager_remove_shared_cd_device;
+spice_usb_device_manager_is_device_shared_cd;
 spice_usb_device_widget_get_type;
 spice_usb_device_widget_new;
 spice_usbredir_channel_get_type;
diff --git a/src/usb-device-manager.c b/src/usb-device-manager.c
index 3a9542a..f5ff54c 100644
--- a/src/usb-device-manager.c
+++ b/src/usb-device-manager.c
@@ -32,6 +32,7 @@
 #endif
 
 #include "channel-usbredir-priv.h"
+#include "usb-device-cd.h"
 #endif
 
 #include "spice-session-priv.h"
@@ -1439,7 +1440,93 @@ gchar *spice_usb_device_get_description(SpiceUsbDevice *device, const gchar *for
 #endif
 }
 
+/**
+ * spice_usb_device_manager_create_shared_cd_device:
+ * @self: a #SpiceUsbDeviceManager
+ * @filename: image or device path
+ * @err: (allow-none): a return location for a #GError, or %NULL.
+ *
+ * Creates a new shared CD device based on a disk image file
+ * or a physical CD device.
+ *
+ * Returns: %TRUE if device created successfully
+ */
+gboolean
+spice_usb_device_manager_create_shared_cd_device(SpiceUsbDeviceManager *self,
+                                                 gchar *filename,
+                                                 GError **err)
+{
+#ifdef USE_USBREDIR
+    SpiceUsbDeviceManagerPrivate *priv = self->priv;
+
+    CdEmulationParams cd_params = {
+        .filename = filename,
+        .delete_on_eject = 1,
+    };
 
+    return create_emulated_cd(priv->context, &cd_params, err);
+#else
+    g_set_error_literal(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
+                        _("USB redirection support not compiled in"));
+    return FALSE;
+#endif
+}
+
+/**
+ * spice_usb_device_manager_remove_shared_cd_device:
+ * @self: a #SpiceUsbDeviceManager
+ * @device: a #SpiceUsbDevice to remove
+ * @err: (allow-none): a return location for a #GError, or %NULL.
+ *
+ * Removes a shared CD device.
+ *
+ * Returns: %TRUE if device removed successfully
+ */
+gboolean
+spice_usb_device_manager_remove_shared_cd_device(SpiceUsbDeviceManager *self,
+                                                 SpiceUsbDevice *device,
+                                                 GError **err)
+{
+#ifdef USE_USBREDIR
+    SpiceUsbBackendDevice *bdev;
+
+    bdev = spice_usb_device_manager_device_to_bdev(self, device);
+    spice_usb_backend_device_eject(self->priv->context, bdev);
+    spice_usb_backend_device_unref(bdev);
+    return TRUE;
+#else
+    g_set_error_literal(err, SPICE_CLIENT_ERROR, SPICE_CLIENT_ERROR_FAILED,
+                        _("USB redirection support not compiled in"));
+    return FALSE;
+#endif
+}
+
+/**
+ * spice_usb_device_manager_is_device_shared_cd:
+ * @self: a #SpiceUsbDeviceManager
+ * @device: a #SpiceUsbDevice to query
+ *
+ * Checks whether a device is shared CD.
+ *
+ * Returns: %TRUE if the device is shared CD
+ */
+gboolean
+spice_usb_device_manager_is_device_shared_cd(SpiceUsbDeviceManager *self,
+                                             SpiceUsbDevice *device)
+{
+#ifdef USE_USBREDIR
+    SpiceUsbBackendDevice *bdev;
+    gboolean is_cd;
+
+    bdev = spice_usb_device_manager_device_to_bdev(self, device);
+    is_cd = spice_usb_backend_device_get_libdev(bdev) == NULL;
+    spice_usb_backend_device_unref(bdev);
+
+    return is_cd;
+#else
+    return FALSE;
+#endif
+}
 
 #ifdef USE_USBREDIR
 /*
diff --git a/src/usb-device-manager.h b/src/usb-device-manager.h
index 773208f..7e11807 100644
--- a/src/usb-device-manager.h
+++ b/src/usb-device-manager.h
@@ -143,6 +143,20 @@ spice_usb_device_manager_can_redirect_device(SpiceUsbDeviceManager  *self,
 
 gboolean spice_usb_device_manager_is_redirecting(SpiceUsbDeviceManager *self);
 
+gboolean
+spice_usb_device_manager_create_shared_cd_device(
+                                             SpiceUsbDeviceManager *self,
+                                             gchar *filename,
+                                             GError **err);
+gboolean
+spice_usb_device_manager_remove_shared_cd_device(
+                                             SpiceUsbDeviceManager *self,
+                                             SpiceUsbDevice *device,
+                                             GError **err);
+gboolean
+spice_usb_device_manager_is_device_shared_cd(SpiceUsbDeviceManager *self,
+                                             SpiceUsbDevice *device);
+
 G_END_DECLS
 
 #endif /* __SPICE_USB_DEVICE_MANAGER_H__ */
-- 
2.20.1