[libvirt] [PATCHv2 8/8] Add domainSuspend/Resume to libxl driver
---
src/libxl/libxl_driver.c | 122 +++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 120 insertions(+), 2 deletions(-)
diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
index 47b7e56..3409340 100644
--- a/src/libxl/libxl_driver.c
+++ b/src/libxl/libxl_driver.c
@@ -1040,6 +1040,124 @@ libxlDomainLookupByName(virConnectPtr conn, const char *name)
}
static int
+libxlDomainSuspend(virDomainPtr dom)
+{
+ libxlDriverPrivatePtr driver = dom->conn->privateData;
+ virDomainObjPtr vm;
+ libxlDomainObjPrivatePtr priv;
+ virDomainEventPtr event = NULL;
+ int ret = -1;
+
+ libxlDriverLock(driver);
+ vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+ libxlDriverUnlock(driver);
+
+ if (!vm) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+ virUUIDFormat(dom->uuid, uuidstr);
+ libxlError(VIR_ERR_NO_DOMAIN,
+ _("No domain with matching uuid '%s'"), uuidstr);
+ goto cleanup;
+ }
+ if (!virDomainObjIsActive(vm)) {
+ libxlError(VIR_ERR_OPERATION_INVALID, "%s", _("Domain is not
running"));
+ goto cleanup;
+ }
+
+ priv = vm->privateData;
+
+ if (vm->state != VIR_DOMAIN_PAUSED) {
+ if (libxl_domain_pause(&priv->ctx, dom->id) != 0) {
+ libxlError(VIR_ERR_INTERNAL_ERROR,
+ _("Failed to suspend domain '%d' with
libxenlight"),
+ dom->id);
+ goto cleanup;
+ }
+
+ vm->state = VIR_DOMAIN_PAUSED;
+
+ event = virDomainEventNewFromObj(vm, VIR_DOMAIN_EVENT_SUSPENDED,
+ VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
+ }
+
+ if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+cleanup:
+ if (vm)
+ virDomainObjUnlock(vm);
+ if (event) {
+ libxlDriverLock(driver);
+ libxlDomainEventQueue(driver, event);
+ libxlDriverUnlock(driver);
+ }
+ libxlDriverUnlock(driver);
+ return ret;
+}
+
+
+static int
+libxlDomainResume(virDomainPtr dom)
+{
+ libxlDriverPrivatePtr driver = dom->conn->privateData;
+ virDomainObjPtr vm;
+ libxlDomainObjPrivatePtr priv;
+ virDomainEventPtr event = NULL;
+ int ret = -1;
+
+ libxlDriverLock(driver);
+ vm = virDomainFindByUUID(&driver->domains, dom->uuid);
+ libxlDriverUnlock(driver);
+
+ if (!vm) {
+ char uuidstr[VIR_UUID_STRING_BUFLEN];
+ virUUIDFormat(dom->uuid, uuidstr);
+ libxlError(VIR_ERR_NO_DOMAIN,
+ _("No domain with matching uuid '%s'"), uuidstr);
+ goto cleanup;
+ }
+
+ if (!virDomainObjIsActive(vm)) {
+ libxlError(VIR_ERR_OPERATION_INVALID, "%s", _("Domain is not
running"));
+ goto cleanup;
+ }
+
+ priv = vm->privateData;
+
+ if (vm->state == VIR_DOMAIN_PAUSED) {
+ if (libxl_domain_unpause(&priv->ctx, dom->id) != 0) {
+ libxlError(VIR_ERR_INTERNAL_ERROR,
+ _("Failed to resume domain '%d' with
libxenlight"),
+ dom->id);
+ goto cleanup;
+ }
+
+ vm->state = VIR_DOMAIN_RUNNING;
+
+ event = virDomainEventNewFromObj(vm, VIR_DOMAIN_EVENT_RESUMED,
+ VIR_DOMAIN_EVENT_RESUMED_UNPAUSED);
+ }
+
+ if (virDomainSaveStatus(driver->caps, driver->stateDir, vm) < 0)
+ goto cleanup;
+
+ ret = 0;
+
+cleanup:
+ if (vm)
+ virDomainObjUnlock(vm);
+ if (event) {
+ libxlDriverLock(driver);
+ libxlDomainEventQueue(driver, event);
+ libxlDriverUnlock(driver);
+ }
+ libxlDriverUnlock(driver);
+ return ret;
+}
+
+static int
libxlDomainShutdown(virDomainPtr dom)
{
libxlDriverPrivatePtr driver = dom->conn->privateData;
@@ -2146,8 +2264,8 @@ static virDriver libxlDriver = {
libxlDomainLookupByID, /* domainLookupByID */
libxlDomainLookupByUUID, /* domainLookupByUUID */
libxlDomainLookupByName, /* domainLookupByName */
- NULL, /* domainSuspend */
- NULL, /* domainResume */
+ libxlDomainSuspend, /* domainSuspend */
+ libxlDomainResume, /* domainResume */
libxlDomainShutdown, /* domainShutdown */
libxlDomainReboot, /* domainReboot */
libxlDomainDestroy, /* domainDestroy */
--
1.7.4.1