[libvirt] [PATCH 5/8] UndefineFlags: Implement qemu driver handling

[Osier Yang]

---
 src/qemu/qemu_driver.c |   31 +++++++++++++++++++++++++++----
 1 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
index f962e2c..a9f6986 100644
--- a/src/qemu/qemu_driver.c
+++ b/src/qemu/qemu_driver.c
@@ -2402,10 +2402,8 @@ cleanup:
 static char *
 qemuDomainManagedSavePath(struct qemud_driver *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);
     }
@@ -4283,11 +4281,16 @@ cleanup:
     return dom;
 }
 
-static int qemudDomainUndefine(virDomainPtr dom) {
+static int qemudDomainUndefineWithFlags(virDomainPtr dom,
+                                        unsigned int flags)
+{
     struct qemud_driver *driver = dom->conn->privateData;
     virDomainObjPtr vm;
     virDomainEventPtr event = NULL;
     int ret = -1;
+    char *name = NULL;
+
+    virCheckFlags(VIR_DOMAIN_UNDEFINE_MANAGED_STATE, -1);
 
     qemuDriverLock(driver);
     vm = virDomainFindByUUID(&driver->domains, dom->uuid);
@@ -4312,6 +4315,20 @@ static int qemudDomainUndefine(virDomainPtr dom) {
         goto cleanup;
     }
 
+    if (flags & VIR_DOMAIN_UNDEFINE_MANAGED_STATE) {
+        name = qemuDomainManagedSavePath(driver, vm);
+
+        if (name == NULL)
+            goto cleanup;
+
+        if (virFileExists(name) && (unlink(name) < 0)) {
+            qemuReportError(VIR_ERR_INTERNAL_ERROR,
+                            _("failed on removing domain managed state "
+                            "file '%s'"), name);
+            goto cleanup;
+        }
+    }
+
     if (virDomainDeleteConfig(driver->configDir, driver->autostartDir, vm) < 0)
         goto cleanup;
 
@@ -4326,6 +4343,7 @@ static int qemudDomainUndefine(virDomainPtr dom) {
     ret = 0;
 
 cleanup:
+    VIR_FREE(name);
     if (vm)
         virDomainObjUnlock(vm);
     if (event)
@@ -4334,6 +4352,10 @@ cleanup:
     return ret;
 }
 
+static int qemudDomainUndefine(virDomainPtr dom) {
+    return qemudDomainUndefineWithFlags(dom, 0);
+}
+
 static int
 qemuDomainAttachDeviceDiskLive(struct qemud_driver *driver,
                                virDomainObjPtr vm,
@@ -8487,6 +8509,7 @@ static virDriver qemuDriver = {
     .domainCreateWithFlags = qemudDomainStartWithFlags, /* 0.8.2 */
     .domainDefineXML = qemudDomainDefine, /* 0.2.0 */
     .domainUndefine = qemudDomainUndefine, /* 0.2.0 */
+    .domainUndefineWithFlags = qemudDomainUndefineWithFlags, /* 0.9.4 */
     .domainAttachDevice = qemuDomainAttachDevice, /* 0.4.1 */
     .domainAttachDeviceFlags = qemuDomainAttachDeviceFlags, /* 0.7.7 */
     .domainDetachDevice = qemuDomainDetachDevice, /* 0.5.0 */
-- 
1.7.6