From: Keir Fraser <keir.fraser@citrix.com>
Date: Tue, 29 Jan 2008 15:28:40 +0000 (+0000)
Subject: xend: Obey localtime config option for HVM guests as well as PV guests.
X-Git-Tag: 3.1.3-rc3~3
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=7f59b649b916a27e9e87c3e6a0f11e71787b9157;p=people%2Fvhanquez%2Fxen.git

xend: Obey localtime config option for HVM guests as well as PV guests.
Signed-off-by: Keir Fraser <keir.fraser@citrix.com>
xen-unstable changeset:   16932:04e24b9dcc1649e86d3e94a81489dab9c6ec82bc
xen-unstable date:        Tue Jan 29 15:15:51 2008 +0000
---

diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c
index c0e9ffaba..ac230f326 100644
--- a/tools/python/xen/lowlevel/xc/xc.c
+++ b/tools/python/xen/lowlevel/xc/xc.c
@@ -1047,23 +1047,13 @@ static PyObject *pyxc_domain_iomem_permission(PyObject *self,
 static PyObject *pyxc_domain_set_time_offset(XcObject *self, PyObject *args)
 {
     uint32_t dom;
-    int32_t time_offset_seconds;
-    time_t calendar_time;
-    struct tm local_time;
-    struct tm utc_time;
+    int32_t offset;
 
-    if (!PyArg_ParseTuple(args, "i", &dom))
+    if (!PyArg_ParseTuple(args, "ii", &dom, &offset))
         return NULL;
 
-    calendar_time = time(NULL);
-    localtime_r(&calendar_time, &local_time);
-    gmtime_r(&calendar_time, &utc_time);
-    /* set up to get calendar time based on utc_time, with local dst setting */
-    utc_time.tm_isdst = local_time.tm_isdst;
-    time_offset_seconds = (int32_t)difftime(calendar_time, mktime(&utc_time));
-
-    if (xc_domain_set_time_offset(self->xc_handle, dom, time_offset_seconds) != 0)
-        return NULL;
+    if (xc_domain_set_time_offset(self->xc_handle, dom, offset) != 0)
+        return pyxc_error_to_exception();
 
     Py_INCREF(zero);
     return zero;
@@ -1499,6 +1489,7 @@ static PyMethodDef pyxc_methods[] = {
       METH_VARARGS, "\n"
       "Set a domain's time offset to Dom0's localtime\n"
       " dom        [int]: Domain whose time offset is being set.\n"
+      " offset     [int]: Time offset from UTC in seconds.\n"
       "Returns: [int] 0 on success; -1 on error.\n" },
 
     { "domain_send_trigger",
diff --git a/tools/python/xen/xend/XendDomainInfo.py b/tools/python/xen/xend/XendDomainInfo.py
index c04663ed6..3210d3497 100644
--- a/tools/python/xen/xend/XendDomainInfo.py
+++ b/tools/python/xen/xend/XendDomainInfo.py
@@ -1574,10 +1574,14 @@ class XendDomainInfo:
         self._configureBootloader()
 
         try:
-            self.image = image.create(self, self.info)
-
             if self.info['platform'].get('localtime', 0):
-                xc.domain_set_time_offset(self.domid)
+                t = time.time()
+                loc = time.localtime(t)
+                utc = time.gmtime(t)
+                timeoffset = int(time.mktime(loc) - time.mktime(utc))
+                self.info['platform']['rtc_timeoffset'] = timeoffset
+
+            self.image = image.create(self, self.info)
 
             xc.domain_setcpuweight(self.domid, self.info['cpu_weight'])
 
diff --git a/tools/python/xen/xend/image.py b/tools/python/xen/xend/image.py
index 74b829858..b9bb7e18f 100644
--- a/tools/python/xen/xend/image.py
+++ b/tools/python/xen/xend/image.py
@@ -268,6 +268,12 @@ class HVMImageHandler(ImageHandler):
         self.acpi = int(vmConfig['platform'].get('acpi', 0))
         
 
+    def configure(self, vmConfig):
+        ImageHandler.configure(self, vmConfig)
+        rtc_timeoffset = vmConfig['platform'].get('rtc_timeoffset')
+        if rtc_timeoffset is not None:
+            xc.domain_set_time_offset(self.vm.getDomid(), rtc_timeoffset)
+
     def buildDomain(self):
         store_evtchn = self.vm.getStorePort()