Re: [libvirt] [PATCH] lxc: suspend/resume support

+static int lxcDomainSuspend(virDomainPtr dom) +{ + lxc_driver_t *driver = dom->conn->privateData; + virDomainObjPtr vm; + virDomainEventPtr event = NULL; + int ret = -1; + + lxcDriverLock(driver); + vm = virDomainFindByUUID(&driver->domains, dom->uuid); + + if (!vm) { + char uuidstr[VIR_UUID_STRING_BUFLEN]; + virUUIDFormat(dom->uuid, uuidstr); + lxcError(dom->conn, dom, VIR_ERR_NO_DOMAIN, + _("no domain with matching uuid '%s'"), uuidstr); + goto cleanup; + } + + if (!virDomainIsActive(vm)) { + lxcError(dom->conn, dom, VIR_ERR_OPERATION_INVALID, + "%s", _("domain is not running")); + goto cleanup; + } + + if (vm->state != VIR_DOMAIN_PAUSED) { + if (lxcFreezeContainer(driver, vm) < 0) { + lxcError(dom->conn, dom, VIR_ERR_OPERATION_FAILED, + "%s", _("suspend operation failed")); + goto cleanup; + } + vm->state = VIR_DOMAIN_PAUSED; + } + + if (virDomainSaveStatus(dom->conn, driver->stateDir, vm) < 0) + goto cleanup; + ret = 0; + + event = virDomainEventNewFromObj(vm, + VIR_DOMAIN_EVENT_SUSPENDED, + VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);

+static int lxcDomainResume(virDomainPtr dom) +{ + lxc_driver_t *driver = dom->conn->privateData; + virDomainObjPtr vm; + virDomainEventPtr event = NULL; + int ret = -1; + + lxcDriverLock(driver); + vm = virDomainFindByUUID(&driver->domains, dom->uuid); + + if (!vm) { + char uuidstr[VIR_UUID_STRING_BUFLEN]; + virUUIDFormat(dom->uuid, uuidstr); + lxcError(dom->conn, dom, VIR_ERR_NO_DOMAIN, + _("no domain with matching uuid '%s'"), uuidstr); + goto cleanup; + } + + if (!virDomainIsActive(vm)) { + lxcError(dom->conn, dom, VIR_ERR_OPERATION_INVALID, + "%s", _("domain is not running")); + goto cleanup; + } + + if (vm->state == VIR_DOMAIN_PAUSED) { + if (lxcUnfreezeContainer(driver, vm) < 0) { + lxcError(dom->conn, dom, VIR_ERR_OPERATION_FAILED, + "%s", _("resume operation failed")); + goto cleanup; + } + vm->state = VIR_DOMAIN_RUNNING; + } + + if (virDomainSaveStatus(dom->conn, driver->stateDir, vm) < 0) + goto cleanup; + ret = 0; + + event = virDomainEventNewFromObj(vm, + VIR_DOMAIN_EVENT_RESUMED, + VIR_DOMAIN_EVENT_RESUMED_UNPAUSED);