[libvirt] [PATCH 6/8] UndefineFlags: Implement libxl driver handling

[Osier Yang]

---
 src/libxl/libxl_driver.c |   32 ++++++++++++++++++++++++++++----
 1 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 808480f..f04931b 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -220,10 +220,8 @@ libxlDoNodeGetInfo(libxlDriverPrivatePtr driver, virNodeInfoPtr info)
 static char *
 libxlDomainManagedSavePath(libxlDriverPrivatePtr driver, virDomainObjPtr vm) {
     char *ret;
-    char uuidstr[VIR_UUID_STRING_BUFLEN];
-    virUUIDFormat(vm->def->uuid, uuidstr);
 
-    if (virAsprintf(&ret, "%s/%s.save", driver->saveDir, uuidstr) < 0) {
+    if (virAsprintf(&ret, "%s/%s.save", driver->saveDir, vm->def->name) < 0) {
         virReportOOMError();
         return NULL;
     }
@@ -2716,13 +2714,17 @@ cleanup:
 }
 
 static int
-libxlDomainUndefine(virDomainPtr dom)
+libxlDomainUndefineWithFlags(virDomainPtr dom,
+                             unsigned int flags)
 {
     libxlDriverPrivatePtr driver = dom->conn->privateData;
     virDomainObjPtr vm;
     virDomainEventPtr event = NULL;
+    char *name = NULL;
     int ret = -1;
 
+    virCheckFlags(VIR_DOMAIN_UNDEFINE_MANAGED_STATE, -1);
+
     libxlDriverLock(driver);
     vm = virDomainFindByUUID(&driver->domains, dom->uuid);
 
@@ -2746,6 +2748,20 @@ libxlDomainUndefine(virDomainPtr dom)
                    "%s", _("cannot undefine transient domain"));
         goto cleanup;
     }
+ 
+    if (flags & VIR_DOMAIN_UNDEFINE_MANAGED_STATE) {
+        name = libxlDomainManagedSavePath(driver, vm);
+
+        if (name == NULL)
+            goto cleanup;
+
+        if (virFileExists(name) && (unlink(name) < 0)) {
+            libxlError(VIR_ERR_INTERNAL_ERROR,
+                       _("failed on removing domain managed state "
+                       "file '%s'"), name);
+            goto cleanup;
+        }
+    }
 
     if (virDomainDeleteConfig(driver->configDir,
                               driver->autostartDir,
@@ -2760,6 +2776,7 @@ libxlDomainUndefine(virDomainPtr dom)
     ret = 0;
 
   cleanup:
+    VIR_FREE(name);
     if (vm)
         virDomainObjUnlock(vm);
     if (event)
@@ -2769,6 +2786,12 @@ libxlDomainUndefine(virDomainPtr dom)
 }
 
 static int
+libxlDomainUndefine(virDomainPtr dom)
+{
+    return libxlDomainUndefineWithFlags(dom, 0);
+}
+
+static int
 libxlDomainChangeEjectableMedia(libxlDomainObjPrivatePtr priv,
                                 virDomainObjPtr vm, virDomainDiskDefPtr disk)
 {
@@ -3828,6 +3851,7 @@ static virDriver libxlDriver = {
     .domainCreateWithFlags = libxlDomainCreateWithFlags, /* 0.9.0 */
     .domainDefineXML = libxlDomainDefineXML, /* 0.9.0 */
     .domainUndefine = libxlDomainUndefine, /* 0.9.0 */
+    .domainUndefineWithFlags = libxlDomainUndefineWithFlags, /* 0.9.4 */
     .domainAttachDevice = libxlDomainAttachDevice, /* 0.9.2 */
     .domainAttachDeviceFlags = libxlDomainAttachDeviceFlags, /* 0.9.2 */
     .domainDetachDevice = libxlDomainDetachDevice,    /* 0.9.2 */
-- 
1.7.6