xend: portability cleanup

diff -r a8603b2fb786 tools/python/xen/xend/XendNode.py
@@ -23,6 +23,7 @@ from xen.util import Brctl
 from xen.util import Brctl
 from xen.util import pci as PciUtil
 from xen.xend import XendAPIStore
+from xen.xend import osdep
 
 import uuid, arch
 from XendPBD import XendPBD

@@ -91,7 +92,7 @@ class XendNode:
         for cpu_uuid, cpu in saved_cpus.items():
             self.cpus[cpu_uuid] = cpu
 
-        cpuinfo = parse_proc_cpuinfo()
+        cpuinfo = osdep.get_cpuinfo()
         physinfo = self.physinfo_dict()
         cpu_count = physinfo['nr_cpus']
         cpu_features = physinfo['hw_caps']

@@ -743,31 +744,6 @@ class XendNode:
     def info_dict(self):
         return dict(self.info())
 
-def parse_proc_cpuinfo():
-    cpuinfo = {}
-    f = file('/proc/cpuinfo', 'r')
-    try:
-        p = -1
-        d = {}
-        for line in f:
-            keyvalue = line.split(':')
-            if len(keyvalue) != 2:
-                continue
-            key = keyvalue[0].strip()
-            val = keyvalue[1].strip()
-            if key == 'processor':
-                if p != -1:
-                    cpuinfo[p] = d
-                p = int(val)
-                d = {}
-            else:
-                d[key] = val
-        cpuinfo[p] = d
-        return cpuinfo
-    finally:
-        f.close()
-
-
 def instance():
     global inst
     try:

diff -r a8603b2fb786 tools/python/xen/xend/osdep.py
@@ -87,6 +87,33 @@ _balloon_stat = {
     "SunOS": _solaris_balloon_stat
 }
 
+def _linux_get_cpuinfo():
+    cpuinfo = {}
+    f = file('/proc/cpuinfo', 'r')
+    try:    
+        p = -1  
+        d = {}  
+        for line in f:
+            keyvalue = line.split(':')
+            if len(keyvalue) != 2:
+                continue 
+            key = keyvalue[0].strip()
+            val = keyvalue[1].strip()
+            if key == 'processor':
+                if p != -1:
+                    cpuinfo[p] = d
+                p = int(val)
+                d = {}
+            else:
+                d[key] = val
+        cpuinfo[p] = d
+        return cpuinfo
+    finally:
+        f.close()
+
+_get_cpuinfo = {
+}
+
 def _get(var, default=None):
     return var.get(os.uname()[0], default)
 

@@ -95,3 +122,4 @@ pygrub_path = _get(_pygrub_path, "/usr/b
 pygrub_path = _get(_pygrub_path, "/usr/bin/pygrub")
 vif_script = _get(_vif_script, "vif-bridge")
 lookup_balloon_stat = _get(_balloon_stat, _linux_balloon_stat)
+get_cpuinfo = _get(_get_cpuinfo, _linux_get_cpuinfo)