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Add domainSuspend/Resume to libxl driver

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* src/libxl/libxl_driver.c: implements libxlDomainSuspend and
  libxlDomainResume
This commit is contained in:
Markus Groß 2011-03-29 20:55:38 +08:00 committed by Daniel Veillard
parent f367a1dfce
commit 6ebcb0c777
1 changed files with 118 additions and 2 deletions
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120
src/libxl/libxl_driver.c
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@ -1039,6 +1039,122 @@ libxlDomainLookupByName(virConnectPtr conn, const char *name)
return dom;
}
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);
}
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);
}
return ret;
}
static int
libxlDomainShutdown(virDomainPtr dom)
{
@ -2146,8 +2262,8 @@ static virDriver libxlDriver = {
libxlDomainLookupByID, /* domainLookupByID */
libxlDomainLookupByUUID, /* domainLookupByUUID */
libxlDomainLookupByName, /* domainLookupByName */
NULL, /* domainSuspend */
NULL, /* domainResume */
libxlDomainSuspend, /* domainSuspend */
libxlDomainResume, /* domainResume */
libxlDomainShutdown, /* domainShutdown */
libxlDomainReboot, /* domainReboot */
libxlDomainDestroy, /* domainDestroy */