[libvirt] [PATCH 14/19] vbox: Rewrite vboxStorageVolDelete
Taowei Luo
uaedante at gmail.com
Fri Oct 24 01:46:48 UTC 2014
The API on IHardDiskAttachment is merged into IMediumAttachment.
So, we don't need it anymore.
---
src/vbox/vbox_storage.c | 160 ++++++++++++++++++++++++++++++++
src/vbox/vbox_tmpl.c | 202 ++++++-----------------------------------
src/vbox/vbox_uniformed_api.h | 6 ++
3 files changed, 192 insertions(+), 176 deletions(-)
diff --git a/src/vbox/vbox_storage.c b/src/vbox/vbox_storage.c
index 1e6ca67..45090eb 100644
--- a/src/vbox/vbox_storage.c
+++ b/src/vbox/vbox_storage.c
@@ -530,3 +530,163 @@ virStorageVolPtr vboxStorageVolCreateXML(virStoragePoolPtr pool,
virStorageVolDefFree(def);
return ret;
}
+
+int vboxStorageVolDelete(virStorageVolPtr vol, unsigned int flags)
+{
+ vboxGlobalData *data = vol->conn->privateData;
+ unsigned char uuid[VIR_UUID_BUFLEN];
+ IHardDisk *hardDisk = NULL;
+ int deregister = 0;
+ PRUint32 hddstate = 0;
+ size_t i = 0;
+ size_t j = 0;
+ PRUint32 machineIdsSize = 0;
+ vboxArray machineIds = VBOX_ARRAY_INITIALIZER;
+ vboxIIDUnion hddIID;
+ nsresult rc;
+ int ret = -1;
+
+ if (!data->vboxObj) {
+ return ret;
+ }
+
+ VBOX_IID_INITIALIZE(&hddIID);
+ virCheckFlags(0, -1);
+
+ if (virUUIDParse(vol->key, uuid) < 0) {
+ virReportError(VIR_ERR_INVALID_ARG,
+ _("Could not parse UUID from '%s'"), vol->key);
+ return -1;
+ }
+
+ vboxIIDFromUUID(&hddIID, uuid);
+ rc = gVBoxAPI.UIVirtualBox.GetHardDiskByIID(data->vboxObj, &hddIID, &hardDisk);
+ if (NS_FAILED(rc))
+ goto cleanup;
+
+ gVBoxAPI.UIMedium.GetState(hardDisk, &hddstate);
+ if (hddstate == MediaState_Inaccessible)
+ goto cleanup;
+
+ gVBoxAPI.UArray.vboxArrayGet(&machineIds, hardDisk,
+ gVBoxAPI.UArray.handleMediumGetMachineIds(hardDisk));
+
+#if defined WIN32
+ /* VirtualBox 2.2 on Windows represents IIDs as GUIDs and the
+ * machineIds array contains direct instances of the GUID struct
+ * instead of pointers to the actual struct instances. But there
+ * is no 128bit width simple item type for a SafeArray to fit a
+ * GUID in. The largest simple type it 64bit width and VirtualBox
+ * uses two of this 64bit items to represents one GUID. Therefore,
+ * we divide the size of the SafeArray by two, to compensate for
+ * this workaround in VirtualBox */
+ if (gVBoxAPI.uVersion >= 2001052 && gVBoxAPI.uVersion < 2002051)
+ machineIds.count /= 2;
+#endif /* !defined WIN32 */
+
+ machineIdsSize = machineIds.count;
+
+ for (i = 0; i < machineIds.count; i++) {
+ IMachine *machine = NULL;
+ vboxIIDUnion machineId;
+ vboxArray hddAttachments = VBOX_ARRAY_INITIALIZER;
+
+ VBOX_IID_INITIALIZE(&machineId);
+ vboxIIDFromArrayItem(&machineId, &machineIds, i);
+
+ if (gVBoxAPI.getMachineForSession) {
+ rc = gVBoxAPI.UIVirtualBox.GetMachine(data->vboxObj, &machineId, &machine);
+ if (NS_FAILED(rc)) {
+ virReportError(VIR_ERR_NO_DOMAIN, "%s",
+ _("no domain with matching uuid"));
+ break;
+ }
+ }
+
+ rc = gVBoxAPI.UISession.Open(data, &machineId, machine);
+
+ if (NS_FAILED(rc)) {
+ vboxIIDUnalloc(&machineId);
+ continue;
+ }
+
+ rc = gVBoxAPI.UISession.GetMachine(data->vboxSession, &machine);
+ if (NS_FAILED(rc))
+ goto cleanupLoop;
+
+ gVBoxAPI.UArray.vboxArrayGet(&hddAttachments, machine,
+ gVBoxAPI.UArray.handleMachineGetMediumAttachments(machine));
+
+ for (j = 0; j < hddAttachments.count; j++) {
+ IMediumAttachment *hddAttachment = hddAttachments.items[j];
+ IHardDisk *hdd = NULL;
+ vboxIIDUnion iid;
+
+ if (!hddAttachment)
+ continue;
+
+ rc = gVBoxAPI.UIMediumAttachment.GetMedium(hddAttachment, &hdd);
+ if (NS_FAILED(rc) || !hdd)
+ continue;
+
+ VBOX_IID_INITIALIZE(&iid);
+ rc = gVBoxAPI.UIMedium.GetId(hdd, &iid);
+ if (NS_FAILED(rc)) {
+ VBOX_MEDIUM_RELEASE(hdd);
+ continue;
+ }
+
+ DEBUGIID("HardDisk (to delete) UUID", &hddIID);
+ DEBUGIID("HardDisk (currently processing) UUID", &iid);
+
+ if (vboxIIDIsEqual(&hddIID, &iid)) {
+ PRUnichar *controller = NULL;
+ PRInt32 port = 0;
+ PRInt32 device = 0;
+
+ DEBUGIID("Found HardDisk to delete, UUID", &hddIID);
+
+ gVBoxAPI.UIMediumAttachment.GetController(hddAttachment, &controller);
+ gVBoxAPI.UIMediumAttachment.GetPort(hddAttachment, &port);
+ gVBoxAPI.UIMediumAttachment.GetDevice(hddAttachment, &device);
+
+ rc = gVBoxAPI.UIMachine.DetachDevice(machine, controller, port, device);
+ if (NS_SUCCEEDED(rc)) {
+ rc = gVBoxAPI.UIMachine.SaveSettings(machine);
+ VIR_DEBUG("saving machine settings");
+ deregister++;
+ VIR_DEBUG("deregistering hdd:%d", deregister);
+ }
+
+ VBOX_UTF16_FREE(controller);
+ }
+ vboxIIDUnalloc(&iid);
+ VBOX_MEDIUM_RELEASE(hdd);
+ }
+
+ cleanupLoop:
+ gVBoxAPI.UArray.vboxArrayRelease(&hddAttachments);
+ VBOX_RELEASE(machine);
+ gVBoxAPI.UISession.Close(data->vboxSession);
+ vboxIIDUnalloc(&machineId);
+ }
+
+ gVBoxAPI.UArray.vboxArrayUnalloc(&machineIds);
+
+ if (machineIdsSize == 0 || machineIdsSize == deregister) {
+ IProgress *progress = NULL;
+ rc = gVBoxAPI.UIHardDisk.DeleteStorage(hardDisk, &progress);
+
+ if (NS_SUCCEEDED(rc) && progress) {
+ gVBoxAPI.UIProgress.WaitForCompletion(progress, -1);
+ VBOX_RELEASE(progress);
+ DEBUGIID("HardDisk deleted, UUID", &hddIID);
+ ret = 0;
+ }
+ }
+
+ cleanup:
+ VBOX_MEDIUM_RELEASE(hardDisk);
+ vboxIIDUnalloc(&hddIID);
+ return ret;
+}
diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
index 8aed0d6..71dbedd 100644
--- a/src/vbox/vbox_tmpl.c
+++ b/src/vbox/vbox_tmpl.c
@@ -106,7 +106,6 @@ typedef IUSBDeviceFilters IUSBCommon;
typedef IHardDiskAttachment IMediumAttachment;
#else /* VBOX_API_VERSION >= 3001000 */
typedef IMedium IHardDisk;
-typedef IMediumAttachment IHardDiskAttachment;
#endif /* VBOX_API_VERSION >= 3001000 */
#include "vbox_uniformed_api.h"
@@ -2034,181 +2033,6 @@ _registerDomainEvent(virHypervisorDriverPtr driver)
* The Storage Functions here on
*/
-static int vboxStorageVolDelete(virStorageVolPtr vol,
- unsigned int flags)
-{
- VBOX_OBJECT_CHECK(vol->conn, int, -1);
- vboxIID hddIID = VBOX_IID_INITIALIZER;
- unsigned char uuid[VIR_UUID_BUFLEN];
- IHardDisk *hardDisk = NULL;
- int deregister = 0;
- nsresult rc;
- size_t i = 0;
- size_t j = 0;
-
- virCheckFlags(0, -1);
-
- if (virUUIDParse(vol->key, uuid) < 0) {
- virReportError(VIR_ERR_INVALID_ARG,
- _("Could not parse UUID from '%s'"), vol->key);
- return -1;
- }
-
- vboxIIDFromUUID(&hddIID, uuid);
-#if VBOX_API_VERSION < 4000000
- rc = data->vboxObj->vtbl->GetHardDisk(data->vboxObj, hddIID.value, &hardDisk);
-#elif VBOX_API_VERSION >= 4000000 && VBOX_API_VERSION < 4002000
- rc = data->vboxObj->vtbl->FindMedium(data->vboxObj, hddIID.value,
- DeviceType_HardDisk, &hardDisk);
-#else
- rc = data->vboxObj->vtbl->OpenMedium(data->vboxObj, hddIID.value,
- DeviceType_HardDisk, AccessMode_ReadWrite,
- PR_FALSE, &hardDisk);
-#endif /* VBOX_API_VERSION >= 4000000 */
- if (NS_SUCCEEDED(rc)) {
- PRUint32 hddstate;
-
- VBOX_MEDIUM_FUNC_ARG1(hardDisk, GetState, &hddstate);
- if (hddstate != MediaState_Inaccessible) {
- PRUint32 machineIdsSize = 0;
- vboxArray machineIds = VBOX_ARRAY_INITIALIZER;
-
-#if VBOX_API_VERSION < 3001000
- vboxArrayGet(&machineIds, hardDisk, hardDisk->vtbl->imedium.GetMachineIds);
-#else /* VBOX_API_VERSION >= 3001000 */
- vboxArrayGet(&machineIds, hardDisk, hardDisk->vtbl->GetMachineIds);
-#endif /* VBOX_API_VERSION >= 3001000 */
-
-#if VBOX_API_VERSION == 2002000 && defined WIN32
- /* VirtualBox 2.2 on Windows represents IIDs as GUIDs and the
- * machineIds array contains direct instances of the GUID struct
- * instead of pointers to the actual struct instances. But there
- * is no 128bit width simple item type for a SafeArray to fit a
- * GUID in. The largest simple type it 64bit width and VirtualBox
- * uses two of this 64bit items to represents one GUID. Therefore,
- * we divide the size of the SafeArray by two, to compensate for
- * this workaround in VirtualBox */
- machineIds.count /= 2;
-#endif /* VBOX_API_VERSION >= 2002000 */
-
- machineIdsSize = machineIds.count;
-
- for (i = 0; i < machineIds.count; i++) {
- IMachine *machine = NULL;
- vboxIID machineId = VBOX_IID_INITIALIZER;
-
- vboxIIDFromArrayItem(&machineId, &machineIds, i);
-
-#if VBOX_API_VERSION >= 4000000
- rc = VBOX_OBJECT_GET_MACHINE(machineId.value, &machine);
- if (NS_FAILED(rc)) {
- virReportError(VIR_ERR_NO_DOMAIN, "%s",
- _("no domain with matching uuid"));
- break;
- }
-#endif
-
- rc = VBOX_SESSION_OPEN(machineId.value, machine);
-
- if (NS_SUCCEEDED(rc)) {
-
- rc = data->vboxSession->vtbl->GetMachine(data->vboxSession, &machine);
- if (NS_SUCCEEDED(rc)) {
- vboxArray hddAttachments = VBOX_ARRAY_INITIALIZER;
-
-#if VBOX_API_VERSION < 3001000
- vboxArrayGet(&hddAttachments, machine,
- machine->vtbl->GetHardDiskAttachments);
-#else /* VBOX_API_VERSION >= 3001000 */
- vboxArrayGet(&hddAttachments, machine,
- machine->vtbl->GetMediumAttachments);
-#endif /* VBOX_API_VERSION >= 3001000 */
- for (j = 0; j < hddAttachments.count; j++) {
- IHardDiskAttachment *hddAttachment = hddAttachments.items[j];
-
- if (hddAttachment) {
- IHardDisk *hdd = NULL;
-
-#if VBOX_API_VERSION < 3001000
- rc = hddAttachment->vtbl->GetHardDisk(hddAttachment, &hdd);
-#else /* VBOX_API_VERSION >= 3001000 */
- rc = hddAttachment->vtbl->GetMedium(hddAttachment, &hdd);
-#endif /* VBOX_API_VERSION >= 3001000 */
- if (NS_SUCCEEDED(rc) && hdd) {
- vboxIID iid = VBOX_IID_INITIALIZER;
-
- rc = VBOX_MEDIUM_FUNC_ARG1(hdd, GetId, &iid.value);
- if (NS_SUCCEEDED(rc)) {
-
- DEBUGIID("HardDisk (to delete) UUID", hddIID.value);
- DEBUGIID("HardDisk (currently processing) UUID", iid.value);
-
- if (vboxIIDIsEqual(&hddIID, &iid)) {
- PRUnichar *controller = NULL;
- PRInt32 port = 0;
- PRInt32 device = 0;
-
- DEBUGIID("Found HardDisk to delete, UUID", hddIID.value);
-
- hddAttachment->vtbl->GetController(hddAttachment, &controller);
- hddAttachment->vtbl->GetPort(hddAttachment, &port);
- hddAttachment->vtbl->GetDevice(hddAttachment, &device);
-
-#if VBOX_API_VERSION < 3001000
- rc = machine->vtbl->DetachHardDisk(machine, controller, port, device);
-#else /* VBOX_API_VERSION >= 3001000 */
- rc = machine->vtbl->DetachDevice(machine, controller, port, device);
-#endif /* VBOX_API_VERSION >= 3001000 */
- if (NS_SUCCEEDED(rc)) {
- rc = machine->vtbl->SaveSettings(machine);
- VIR_DEBUG("saving machine settings");
- }
-
- if (NS_SUCCEEDED(rc)) {
- deregister++;
- VIR_DEBUG("deregistering hdd:%d", deregister);
- }
-
- VBOX_UTF16_FREE(controller);
- }
- vboxIIDUnalloc(&iid);
- }
- VBOX_MEDIUM_RELEASE(hdd);
- }
- }
- }
- vboxArrayRelease(&hddAttachments);
- VBOX_RELEASE(machine);
- }
- VBOX_SESSION_CLOSE();
- }
-
- vboxIIDUnalloc(&machineId);
- }
-
- vboxArrayUnalloc(&machineIds);
-
- if (machineIdsSize == 0 || machineIdsSize == deregister) {
- IProgress *progress = NULL;
- rc = hardDisk->vtbl->DeleteStorage(hardDisk, &progress);
-
- if (NS_SUCCEEDED(rc) && progress) {
- progress->vtbl->WaitForCompletion(progress, -1);
- VBOX_RELEASE(progress);
- DEBUGIID("HardDisk deleted, UUID", hddIID.value);
- ret = 0;
- }
- }
- }
-
- VBOX_MEDIUM_RELEASE(hardDisk);
- }
-
- vboxIIDUnalloc(&hddIID);
-
- return ret;
-}
-
static int
vboxStorageVolGetInfo(virStorageVolPtr vol, virStorageVolInfoPtr info)
{
@@ -3236,6 +3060,11 @@ static void* _handleMediumGetSnapshotIds(IMedium *medium)
return medium->vtbl->GetSnapshotIds;
}
+static void* _handleMediumGetMachineIds(IMedium *medium)
+{
+ return medium->vtbl->GetMachineIds;
+}
+
static void* _handleHostGetNetworkInterfaces(IHost *host)
{
return host->vtbl->GetNetworkInterfaces;
@@ -3548,6 +3377,17 @@ _machineFindSnapshot(IMachine *machine, vboxIIDUnion *iidu, ISnapshot **snapshot
}
static nsresult
+_machineDetachDevice(IMachine *machine, PRUnichar *name,
+ PRInt32 controllerPort, PRInt32 device)
+{
+#if VBOX_API_VERSION < 3001000
+ return machine->vtbl->DetachHardDisk(machine, name, controllerPort, device);
+#else /* VBOX_API_VERSION >= 3001000 */
+ return machine->vtbl->DetachDevice(machine, name, controllerPort, device);
+#endif /* VBOX_API_VERSION >= 3001000 */
+}
+
+static nsresult
_machineGetAccessible(IMachine *machine, PRBool *isAccessible)
{
return machine->vtbl->GetAccessible(machine, isAccessible);
@@ -5035,6 +4875,12 @@ _hardDiskCreateBaseStorage(IHardDisk *hardDisk, PRUint64 logicalSize,
#endif
}
+static nsresult
+_hardDiskDeleteStorage(IHardDisk *hardDisk, IProgress **progress)
+{
+ return hardDisk->vtbl->DeleteStorage(hardDisk, progress);
+}
+
static bool _machineStateOnline(PRUint32 state)
{
return ((state >= MachineState_FirstOnline) &&
@@ -5094,6 +4940,7 @@ static vboxUniformedArray _UArray = {
.vboxArrayGet = vboxArrayGet,
.vboxArrayGetWithIIDArg = _vboxArrayGetWithIIDArg,
.vboxArrayRelease = vboxArrayRelease,
+ .vboxArrayUnalloc = vboxArrayUnalloc,
.handleGetMachines = _handleGetMachines,
.handleGetHardDisks = _handleGetHardDisks,
.handleUSBGetDeviceFilters = _handleUSBGetDeviceFilters,
@@ -5102,6 +4949,7 @@ static vboxUniformedArray _UArray = {
.handleSnapshotGetChildren = _handleSnapshotGetChildren,
.handleMediumGetChildren = _handleMediumGetChildren,
.handleMediumGetSnapshotIds = _handleMediumGetSnapshotIds,
+ .handleMediumGetMachineIds = _handleMediumGetMachineIds,
.handleHostGetNetworkInterfaces = _handleHostGetNetworkInterfaces,
};
@@ -5136,6 +4984,7 @@ static vboxUniformedIMachine _UIMachine = {
.LaunchVMProcess = _machineLaunchVMProcess,
.Unregister = _machineUnregister,
.FindSnapshot = _machineFindSnapshot,
+ .DetachDevice = _machineDetachDevice,
.GetAccessible = _machineGetAccessible,
.GetState = _machineGetState,
.GetName = _machineGetName,
@@ -5378,6 +5227,7 @@ static vboxUniformedIDHCPServer _UIDHCPServer = {
static vboxUniformedIHardDisk _UIHardDisk = {
.CreateBaseStorage = _hardDiskCreateBaseStorage,
+ .DeleteStorage = _hardDiskDeleteStorage,
};
static uniformedMachineStateChecker _machineStateChecker = {
diff --git a/src/vbox/vbox_uniformed_api.h b/src/vbox/vbox_uniformed_api.h
index 337ae9c..75299e3 100644
--- a/src/vbox/vbox_uniformed_api.h
+++ b/src/vbox/vbox_uniformed_api.h
@@ -168,6 +168,7 @@ typedef struct {
nsresult (*vboxArrayGet)(vboxArray *array, void *self, void *getter);
nsresult (*vboxArrayGetWithIIDArg)(vboxArray *array, void *self, void *getter, vboxIIDUnion *iidu);
void (*vboxArrayRelease)(vboxArray *array);
+ void (*vboxArrayUnalloc)(vboxArray *array);
/* Generate function pointers for vboxArrayGet */
void* (*handleGetMachines)(IVirtualBox *vboxObj);
void* (*handleGetHardDisks)(IVirtualBox *vboxObj);
@@ -177,6 +178,7 @@ typedef struct {
void* (*handleSnapshotGetChildren)(ISnapshot *snapshot);
void* (*handleMediumGetChildren)(IMedium *medium);
void* (*handleMediumGetSnapshotIds)(IMedium *medium);
+ void* (*handleMediumGetMachineIds)(IMedium *medium);
void* (*handleHostGetNetworkInterfaces)(IHost *host);
} vboxUniformedArray;
@@ -225,6 +227,8 @@ typedef struct {
nsresult (*Unregister)(IMachine *machine, PRUint32 cleanupMode,
PRUint32 *aMediaSize, IMedium ***aMedia);
nsresult (*FindSnapshot)(IMachine *machine, vboxIIDUnion *iidu, ISnapshot **snapshot);
+ nsresult (*DetachDevice)(IMachine *machine, PRUnichar *name,
+ PRInt32 controllerPort, PRInt32 device);
nsresult (*GetAccessible)(IMachine *machine, PRBool *isAccessible);
nsresult (*GetState)(IMachine *machine, PRUint32 *state);
nsresult (*GetName)(IMachine *machine, PRUnichar **name);
@@ -523,6 +527,7 @@ typedef struct {
typedef struct {
nsresult (*CreateBaseStorage)(IHardDisk *hardDisk, PRUint64 logicalSize,
PRUint32 variant, IProgress **progress);
+ nsresult (*DeleteStorage)(IHardDisk *hardDisk, IProgress **progress);
} vboxUniformedIHardDisk;
typedef struct {
@@ -613,6 +618,7 @@ virStorageVolPtr vboxStorageVolLookupByKey(virConnectPtr conn, const char *key);
virStorageVolPtr vboxStorageVolLookupByPath(virConnectPtr conn, const char *path);
virStorageVolPtr vboxStorageVolCreateXML(virStoragePoolPtr pool,
const char *xml, unsigned int flags);
+int vboxStorageVolDelete(virStorageVolPtr vol, unsigned int flags);
/* Version specified functions for installing uniformed API */
void vbox22InstallUniformedAPI(vboxUniformedAPI *pVBoxAPI);
--
1.7.9.5
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