[XEND] Keep vif IP addresses as space separated string.

They were inconsistently represented as strings or lists making it
difficult to know the type of the IP parameter for vifs. Since both xm
and DevController represents these as space separated strings, that is
what it will be stored as.

Signed-off-by: Alastair Tse <atse@xensource.com>

tools/python/xen/xend/XendConfig.py

@@ -922,24 +922,11 @@ class XendConfig(dict):
             except ValueError:
                 pass # SXP has no options for this device
 
-
-            # Special handling for certain device parameters.
-
-            def _get_config_ipaddr(cfg):
-                val = []
-                for ipaddr in sxp.children(cfg, elt='ip'):
-                    val.append(sxp.child0(ipaddr))
-                return val
-
-            if dev_type == 'vif' and 'ip' in dev_info:
-                dev_info['ip'] = _get_config_ipaddr(config)
-
             if dev_type == 'vbd':
                 if dev_info.get('dev', '').startswith('ioemu:'):
                     dev_info['driver'] = 'ioemu'
                 else:
                     dev_info['driver'] = 'paravirtualised'
-                    
 
             # create uuid if it doesn't exist
             dev_uuid = dev_info.get('uuid', uuid.createString())

tools/python/xen/xend/server/netif.py

@@ -164,7 +164,7 @@ class NetifController(DevController):
             front = { 'handle' : "%i" % devid,
                       'mac'    : mac }
         if ipaddr:
-            back['ip'] = ' '.join(ipaddr)
+            back['ip'] = ipaddr
         if bridge:
             back['bridge'] = bridge
         if vifname:
@@ -189,7 +189,7 @@ class NetifController(DevController):
             network_script_dir = xroot.network_script_dir + os.sep
             result['script'] = script.replace(network_script_dir, "")
         if ip:
-            result['ip'] = ip.split(" ")
+            result['ip'] = ip
         if bridge:
             result['bridge'] = bridge
         if mac: