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[virt-tools-list] [PATCH] virtinst: support to constrain the spicevmc usage to correct parameters



This patch is related to another proposed patch series for
virt-manager to allow adding and removing Spice channels easily.
---
 virtinst/VirtualCharDevice.py |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/virtinst/VirtualCharDevice.py b/virtinst/VirtualCharDevice.py
index f29081b..cdf2cc4 100644
--- a/virtinst/VirtualCharDevice.py
+++ b/virtinst/VirtualCharDevice.py
@@ -50,6 +50,16 @@ class VirtualCharDevice(VirtualDevice.VirtualDevice):
                     CHAR_PIPE, CHAR_NULL, CHAR_TCP, CHAR_UDP, CHAR_UNIX,
                     CHAR_SPICEVMC ]
 
+    _char_types  = [ CHAR_PTY, CHAR_DEV, CHAR_STDIO, CHAR_FILE, CHAR_VC,
+                     CHAR_PIPE, CHAR_NULL, CHAR_TCP, CHAR_UDP, CHAR_UNIX ]
+
+    char_types_for_dev_type = {
+        DEV_SERIAL: _char_types,
+        DEV_PARALLEL: _char_types,
+        DEV_CONSOLE: _char_types,
+        DEV_CHANNEL: [ CHAR_SPICEVMC ]
+    }
+
     CHAR_MODE_CONNECT = "connect"
     CHAR_MODE_BIND = "bind"
     char_modes = [ CHAR_MODE_CONNECT, CHAR_MODE_BIND ]
@@ -71,6 +81,8 @@ class VirtualCharDevice(VirtualDevice.VirtualDevice):
     CHAR_CONSOLE_TARGET_XEN = "xen"
     CHAR_CONSOLE_TARGET_VIRTIO = "virtio"
 
+    has_target = False
+
     def get_char_type_desc(char_type):
         """
         Return a human readable description of the passed char type
@@ -211,6 +223,7 @@ class VirtualCharDevice(VirtualDevice.VirtualDevice):
             "protocol"      : [self.CHAR_TCP],
             "bind_host"     : [self.CHAR_UDP],
             "bind_port"     : [self.CHAR_UDP],
+            "target_name"   : [self.CHAR_SPICEVMC],
         }
 
         if users.get(propname):
@@ -330,7 +343,7 @@ class VirtualCharDevice(VirtualDevice.VirtualDevice):
     def get_target_name(self):
         return self._target_name
     target_name = _xml_property(get_target_name, set_target_name,
-                           doc=_("Sysfs Name of virtio port in the guest"),
+                           doc=_("Sysfs name of virtio port in the guest"),
                            xpath="./target/@name")
 
     def get_address_type(self):
@@ -411,7 +424,8 @@ class VirtualCharDevice(VirtualDevice.VirtualDevice):
         char_xml = self._char_xml()
         target_xml = self._get_target_xml()
         has_target = (self._dev_type == self.DEV_CHANNEL or
-                      self._dev_type == self.DEV_CONSOLE)
+                      self._dev_type == self.DEV_CONSOLE or
+                      self._char_type.has_target)
 
         if target_xml and not has_target:
             raise RuntimeError(
@@ -575,8 +589,9 @@ class VirtualCharSpicevmcDevice(VirtualCharDevice):
     _char_type = VirtualCharDevice.CHAR_SPICEVMC
     _char_xml = VirtualCharDevice._char_empty_xml
     target_types = [ VirtualCharDevice.CHAR_CHANNEL_TARGET_VIRTIO ]
+    has_target = True
 
-    def __init__(self, conn, dev_type,
+    def __init__(self, conn, dev_type=VirtualCharDevice.DEV_CHANNEL,
                  parsexml=None, parsexmlnode=None, caps=None):
         VirtualCharDevice.__init__(self, conn, dev_type,
                                    parsexml, parsexmlnode, caps)
-- 
1.7.4


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