[libvirt] [PATCH v2 7/9] Implement basic virDomainGetState in all drivers
Daniel P. Berrange
berrange at redhat.com
Fri May 13 09:54:20 UTC 2011
On Tue, May 10, 2011 at 03:39:09PM +0200, Jiri Denemark wrote:
> Reason is currently always set to 0 (i.e., *_UNKNOWN).
> ---
> Notes:
> Version 2:
> - rebased
> - unsigned int flags
> - simplified implementation in esx driver per Matthias' suggestion
> - call internal xen drivers directly instead of going through xenUnifiedDriver
>
> src/esx/esx_driver.c | 45 +++++++++++++++++++-
> src/libxl/libxl_driver.c | 36 +++++++++++++++-
> src/lxc/lxc_driver.c | 38 ++++++++++++++++-
> src/openvz/openvz_driver.c | 37 ++++++++++++++++-
> src/phyp/phyp_driver.c | 17 +++++++-
> src/qemu/qemu_driver.c | 38 ++++++++++++++++-
> src/test/test_driver.c | 36 +++++++++++++++-
> src/uml/uml_driver.c | 37 ++++++++++++++++-
> src/vbox/vbox_tmpl.c | 61 ++++++++++++++++++++++++++-
> src/vmware/vmware_driver.c | 36 +++++++++++++++-
> src/xen/xen_driver.c | 43 ++++++++++++++++++-
> src/xen/xen_hypervisor.c | 36 ++++++++++++++++
> src/xen/xen_hypervisor.h | 5 ++
> src/xen/xend_internal.c | 99 +++++++++++++++++++++++++++++++++-----------
> src/xen/xend_internal.h | 4 ++
> src/xen/xm_internal.c | 20 +++++++++
> src/xen/xm_internal.h | 4 ++
> src/xen/xs_internal.c | 34 +++++++++++++++
> src/xen/xs_internal.h | 4 ++
> src/xenapi/xenapi_driver.c | 50 ++++++++++++++++++++++-
> 20 files changed, 644 insertions(+), 36 deletions(-)
>
> diff --git a/src/esx/esx_driver.c b/src/esx/esx_driver.c
> index ec2aaf9..d333877 100644
> --- a/src/esx/esx_driver.c
> +++ b/src/esx/esx_driver.c
> @@ -2452,6 +2452,49 @@ esxDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
>
>
> static int
> +esxDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + int result = -1;
> + esxPrivate *priv = domain->conn->privateData;
> + esxVI_String *propertyNameList = NULL;
> + esxVI_ObjectContent *virtualMachine = NULL;
> + esxVI_VirtualMachinePowerState powerState;
> +
> + virCheckFlags(0, -1);
> +
> + if (esxVI_EnsureSession(priv->primary) < 0) {
> + return -1;
> + }
> +
> + if (esxVI_String_AppendValueToList(&propertyNameList,
> + "runtime.powerState") < 0 ||
> + esxVI_LookupVirtualMachineByUuid(priv->primary, domain->uuid,
> + propertyNameList, &virtualMachine,
> + esxVI_Occurrence_RequiredItem) < 0 ||
> + esxVI_GetVirtualMachinePowerState(virtualMachine, &powerState) < 0) {
> + goto cleanup;
> + }
> +
> + *state = esxVI_VirtualMachinePowerState_ConvertToLibvirt(powerState);
> +
> + if (reason)
> + *reason = 0;
> +
> + result = 0;
> +
> + cleanup:
> + esxVI_String_Free(&propertyNameList);
> + esxVI_ObjectContent_Free(&virtualMachine);
> +
> + return result;
> +}
> +
> +
> +
> +static int
> esxDomainSetVcpusFlags(virDomainPtr domain, unsigned int nvcpus,
> unsigned int flags)
> {
> @@ -4623,7 +4666,7 @@ static virDriver esxDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> esxDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + esxDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/libxl/libxl_driver.c b/src/libxl/libxl_driver.c
> index 794a9e7..1fcf723 100644
> --- a/src/libxl/libxl_driver.c
> +++ b/src/libxl/libxl_driver.c
> @@ -1608,6 +1608,40 @@ libxlDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
> }
>
> static int
> +libxlDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + libxlDriverPrivatePtr driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + libxlDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + libxlDriverUnlock(driver);
> +
> + if (!vm) {
> + libxlError(VIR_ERR_NO_DOMAIN, "%s",
> + _("no domain with matching uuid"));
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> + cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
> +static int
> libxlDomainSetVcpusFlags(virDomainPtr dom, unsigned int nvcpus,
> unsigned int flags)
> {
> @@ -2714,7 +2748,7 @@ static virDriver libxlDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> libxlDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + libxlDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/lxc/lxc_driver.c b/src/lxc/lxc_driver.c
> index 0dcaf4c..2d57eb2 100644
> --- a/src/lxc/lxc_driver.c
> +++ b/src/lxc/lxc_driver.c
> @@ -564,6 +564,42 @@ cleanup:
> return ret;
> }
>
> +static int
> +lxcDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + lxc_driver_t *driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + lxcDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + lxcDriverUnlock(driver);
> +
> + if (!vm) {
> + char uuidstr[VIR_UUID_STRING_BUFLEN];
> + virUUIDFormat(dom->uuid, uuidstr);
> + lxcError(VIR_ERR_NO_DOMAIN,
> + _("No domain with matching uuid '%s'"), uuidstr);
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
> static char *lxcGetOSType(virDomainPtr dom)
> {
> lxc_driver_t *driver = dom->conn->privateData;
> @@ -2829,7 +2865,7 @@ static virDriver lxcDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> lxcDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + lxcDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/openvz/openvz_driver.c b/src/openvz/openvz_driver.c
> index 48a3aae..3ab72e8 100644
> --- a/src/openvz/openvz_driver.c
> +++ b/src/openvz/openvz_driver.c
> @@ -377,6 +377,41 @@ cleanup:
> }
>
>
> +static int
> +openvzDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + struct openvz_driver *driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + openvzDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + openvzDriverUnlock(driver);
> +
> + if (!vm) {
> + openvzError(VIR_ERR_NO_DOMAIN, "%s",
> + _("no domain with matching uuid"));
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
> +
> static int openvzDomainIsActive(virDomainPtr dom)
> {
> struct openvz_driver *driver = dom->conn->privateData;
> @@ -1591,7 +1626,7 @@ static virDriver openvzDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> openvzDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + openvzDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/phyp/phyp_driver.c b/src/phyp/phyp_driver.c
> index abd3594..51c19f0 100644
> --- a/src/phyp/phyp_driver.c
> +++ b/src/phyp/phyp_driver.c
> @@ -3471,6 +3471,21 @@ phypDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
> }
>
> static int
> +phypDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + virCheckFlags(0, -1);
> +
> + *state = phypGetLparState(dom->conn, dom->id);
> + if (reason)
> + *reason = 0;
> +
> + return 0;
> +}
> +
> +static int
> phypDomainDestroy(virDomainPtr dom)
> {
> int result = -1;
> @@ -3752,7 +3767,7 @@ static virDriver phypDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> phypDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + phypDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 92c7f9a..a1617bc 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -1783,6 +1783,42 @@ cleanup:
> return ret;
> }
>
> +static int
> +qemuDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + struct qemud_driver *driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + qemuDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + qemuDriverUnlock(driver);
> +
> + if (!vm) {
> + char uuidstr[VIR_UUID_STRING_BUFLEN];
> + virUUIDFormat(dom->uuid, uuidstr);
> + qemuReportError(VIR_ERR_NO_DOMAIN,
> + _("no domain with matching uuid '%s'"), uuidstr);
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
>
> #define QEMUD_SAVE_MAGIC "LibvirtQemudSave"
> #define QEMUD_SAVE_VERSION 2
> @@ -7116,7 +7152,7 @@ static virDriver qemuDriver = {
> qemuDomainSetBlkioParameters, /* domainSetBlkioParameters */
> qemuDomainGetBlkioParameters, /* domainGetBlkioParameters */
> qemudDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + qemuDomainGetState, /* domainGetState */
> qemudDomainSave, /* domainSave */
> qemuDomainRestore, /* domainRestore */
> qemudDomainCoreDump, /* domainCoreDump */
> diff --git a/src/test/test_driver.c b/src/test/test_driver.c
> index 6f4ae75..4ec2852 100644
> --- a/src/test/test_driver.c
> +++ b/src/test/test_driver.c
> @@ -1704,6 +1704,40 @@ cleanup:
> return ret;
> }
>
> +static int
> +testDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + testConnPtr privconn = domain->conn->privateData;
> + virDomainObjPtr privdom;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + testDriverLock(privconn);
> + privdom = virDomainFindByName(&privconn->domains,
> + domain->name);
> + testDriverUnlock(privconn);
> +
> + if (privdom == NULL) {
> + testError(VIR_ERR_INVALID_ARG, __FUNCTION__);
> + goto cleanup;
> + }
> +
> + *state = privdom->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (privdom)
> + virDomainObjUnlock(privdom);
> + return ret;
> +}
> +
> #define TEST_SAVE_MAGIC "TestGuestMagic"
>
> static int testDomainSave(virDomainPtr domain,
> @@ -5371,7 +5405,7 @@ static virDriver testDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> testGetDomainInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + testDomainGetState, /* domainGetState */
> testDomainSave, /* domainSave */
> testDomainRestore, /* domainRestore */
> testDomainCoreDump, /* domainCoreDump */
> diff --git a/src/uml/uml_driver.c b/src/uml/uml_driver.c
> index 6852a16..e6fe019 100644
> --- a/src/uml/uml_driver.c
> +++ b/src/uml/uml_driver.c
> @@ -1522,6 +1522,41 @@ cleanup:
> }
>
>
> +static int
> +umlDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + struct uml_driver *driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + umlDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + umlDriverUnlock(driver);
> +
> + if (!vm) {
> + umlReportError(VIR_ERR_NO_DOMAIN, "%s",
> + _("no domain with matching uuid"));
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
> +
> static char *umlDomainDumpXML(virDomainPtr dom,
> int flags ATTRIBUTE_UNUSED) {
> struct uml_driver *driver = dom->conn->privateData;
> @@ -2177,7 +2212,7 @@ static virDriver umlDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> umlDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + umlDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/vbox/vbox_tmpl.c b/src/vbox/vbox_tmpl.c
> index d4a8924..9faaf5e 100644
> --- a/src/vbox/vbox_tmpl.c
> +++ b/src/vbox/vbox_tmpl.c
> @@ -1909,6 +1909,65 @@ cleanup:
> return ret;
> }
>
> +static int
> +vboxDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + VBOX_OBJECT_CHECK(dom->conn, int, -1);
> + vboxIID domiid = VBOX_IID_INITIALIZER;
> + IMachine *machine = NULL;
> + PRUint32 mstate = MachineState_Null;
> + nsresult rc;
> +
> + virCheckFlags(0, -1);
> +
> + vboxIIDFromUUID(&domiid, dom->uuid);
> + rc = VBOX_OBJECT_GET_MACHINE(domiid.value, &machine);
> + if (NS_FAILED(rc)) {
> + vboxError(VIR_ERR_NO_DOMAIN, "%s",
> + _("no domain with matching UUID"));
> + goto cleanup;
> + }
> +
> + machine->vtbl->GetState(machine, &mstate);
> +
> + switch (mstate) {
> + case MachineState_Running:
> + *state = VIR_DOMAIN_RUNNING;
> + break;
> + case MachineState_Stuck:
> + *state = VIR_DOMAIN_BLOCKED;
> + break;
> + case MachineState_Paused:
> + *state = VIR_DOMAIN_PAUSED;
> + break;
> + case MachineState_Stopping:
> + *state = VIR_DOMAIN_SHUTDOWN;
> + break;
> + case MachineState_PoweredOff:
> + *state = VIR_DOMAIN_SHUTOFF;
> + break;
> + case MachineState_Aborted:
> + *state = VIR_DOMAIN_CRASHED;
> + break;
> + case MachineState_Null:
> + default:
> + *state = VIR_DOMAIN_NOSTATE;
> + break;
> + }
> +
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + vboxIIDUnalloc(&domiid);
> + return ret;
> +}
> +
> static int vboxDomainSave(virDomainPtr dom, const char *path ATTRIBUTE_UNUSED) {
> VBOX_OBJECT_CHECK(dom->conn, int, -1);
> IConsole *console = NULL;
> @@ -8566,7 +8625,7 @@ virDriver NAME(Driver) = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> vboxDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + vboxDomainGetState, /* domainGetState */
> vboxDomainSave, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/vmware/vmware_driver.c b/src/vmware/vmware_driver.c
> index c6c92c6..743e136 100644
> --- a/src/vmware/vmware_driver.c
> +++ b/src/vmware/vmware_driver.c
> @@ -896,6 +896,40 @@ vmwareDomainGetInfo(virDomainPtr dom, virDomainInfoPtr info)
> return ret;
> }
>
> +static int
> +vmwareDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + struct vmware_driver *driver = dom->conn->privateData;
> + virDomainObjPtr vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + vmwareDriverLock(driver);
> + vm = virDomainFindByUUID(&driver->domains, dom->uuid);
> + vmwareDriverUnlock(driver);
> +
> + if (!vm) {
> + vmwareError(VIR_ERR_NO_DOMAIN, "%s",
> + _("no domain with matching uuid"));
> + goto cleanup;
> + }
> +
> + *state = vm->state;
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> + cleanup:
> + if (vm)
> + virDomainObjUnlock(vm);
> + return ret;
> +}
> +
> static virDriver vmwareDriver = {
> VIR_DRV_VMWARE,
> "VMWARE",
> @@ -931,7 +965,7 @@ static virDriver vmwareDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> vmwareDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + vmwareDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
> diff --git a/src/xen/xen_driver.c b/src/xen/xen_driver.c
> index 1646828..a2728eb 100644
> --- a/src/xen/xen_driver.c
> +++ b/src/xen/xen_driver.c
> @@ -1010,6 +1010,47 @@ xenUnifiedDomainGetInfo (virDomainPtr dom, virDomainInfoPtr info)
> }
>
> static int
> +xenUnifiedDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + GET_PRIVATE(dom->conn);
> + int ret;
> +
> + virCheckFlags(0, -1);
> +
> + /* trying drivers in the same order as GetInfo for consistent results:
> + * hypervisor, xend, xs, and xm */
> +
> + if (priv->opened[XEN_UNIFIED_HYPERVISOR_OFFSET]) {
> + ret = xenHypervisorGetDomainState(dom, state, reason, flags);
> + if (ret >= 0)
> + return ret;
> + }
> +
> + if (priv->opened[XEN_UNIFIED_XEND_OFFSET]) {
> + ret = xenDaemonDomainGetState(dom, state, reason, flags);
> + if (ret >= 0)
> + return ret;
> + }
> +
> + if (priv->opened[XEN_UNIFIED_XS_OFFSET]) {
> + ret = xenStoreDomainGetState(dom, state, reason, flags);
> + if (ret >= 0)
> + return ret;
> + }
> +
> + if (priv->opened[XEN_UNIFIED_XM_OFFSET]) {
> + ret = xenXMDomainGetState(dom, state, reason, flags);
> + if (ret >= 0)
> + return ret;
> + }
> +
> + return -1;
> +}
> +
> +static int
> xenUnifiedDomainSave (virDomainPtr dom, const char *to)
> {
> GET_PRIVATE(dom->conn);
> @@ -2132,7 +2173,7 @@ static virDriver xenUnifiedDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> xenUnifiedDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + xenUnifiedDomainGetState, /* domainGetState */
> xenUnifiedDomainSave, /* domainSave */
> xenUnifiedDomainRestore, /* domainRestore */
> xenUnifiedDomainCoreDump, /* domainCoreDump */
> diff --git a/src/xen/xen_hypervisor.c b/src/xen/xen_hypervisor.c
> index 9a5b41d..1a245e5 100644
> --- a/src/xen/xen_hypervisor.c
> +++ b/src/xen/xen_hypervisor.c
> @@ -3238,6 +3238,42 @@ xenHypervisorGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
> }
>
> /**
> + * xenHypervisorGetDomainState:
> + * @domain: pointer to the domain block
> + * @state: returned state of the domain
> + * @reason: returned reason for the state
> + * @flags: additional flags, 0 for now
> + *
> + * Do a hypervisor call to get the related set of domain information.
> + *
> + * Returns 0 in case of success, -1 in case of error.
> + */
> +int
> +xenHypervisorGetDomainState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags ATTRIBUTE_UNUSED)
> +{
> + xenUnifiedPrivatePtr priv = domain->conn->privateData;
> + virDomainInfo info;
> +
> + if (domain->conn == NULL)
> + return -1;
> +
> + if (priv->handle < 0 || domain->id < 0)
> + return -1;
> +
> + if (xenHypervisorGetDomInfo(domain->conn, domain->id, &info) < 0)
> + return -1;
> +
> + *state = info.state;
> + if (reason)
> + *reason = 0;
> +
> + return 0;
> +}
> +
> +/**
> * xenHypervisorNodeGetCellsFreeMemory:
> * @conn: pointer to the hypervisor connection
> * @freeMems: pointer to the array of unsigned long long
> diff --git a/src/xen/xen_hypervisor.h b/src/xen/xen_hypervisor.h
> index 6018b84..f7e7699 100644
> --- a/src/xen/xen_hypervisor.h
> +++ b/src/xen/xen_hypervisor.h
> @@ -66,6 +66,11 @@ int xenHypervisorPauseDomain (virDomainPtr domain)
> int xenHypervisorGetDomainInfo (virDomainPtr domain,
> virDomainInfoPtr info)
> ATTRIBUTE_NONNULL (1);
> +int xenHypervisorGetDomainState (virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags)
> + ATTRIBUTE_NONNULL (1);
> int xenHypervisorGetDomInfo (virConnectPtr conn,
> int id,
> virDomainInfoPtr info);
> diff --git a/src/xen/xend_internal.c b/src/xen/xend_internal.c
> index a4420d8..2e87bd6 100644
> --- a/src/xen/xend_internal.c
> +++ b/src/xen/xend_internal.c
> @@ -1020,6 +1020,43 @@ xend_detect_config_version(virConnectPtr conn) {
>
>
> /**
> + * sexpr_to_xend_domain_state:
> + * @root: an S-Expression describing a domain
> + *
> + * Internal routine getting the domain's state from the domain root provided.
> + *
> + * Returns domain's state.
> + */
> +static int
> +ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2)
> +sexpr_to_xend_domain_state(virDomainPtr domain, const struct sexpr *root)
> +{
> + const char *flags;
> + int state = VIR_DOMAIN_NOSTATE;
> +
> + if ((flags = sexpr_node(root, "domain/state"))) {
> + if (strchr(flags, 'c'))
> + state = VIR_DOMAIN_CRASHED;
> + else if (strchr(flags, 's'))
> + state = VIR_DOMAIN_SHUTOFF;
> + else if (strchr(flags, 'd'))
> + state = VIR_DOMAIN_SHUTDOWN;
> + else if (strchr(flags, 'p'))
> + state = VIR_DOMAIN_PAUSED;
> + else if (strchr(flags, 'b'))
> + state = VIR_DOMAIN_BLOCKED;
> + else if (strchr(flags, 'r'))
> + state = VIR_DOMAIN_RUNNING;
> + } else if (domain->id < 0) {
> + /* Inactive domains don't have a state reported, so
> + mark them SHUTOFF, rather than NOSTATE */
> + state = VIR_DOMAIN_SHUTOFF;
> + }
> +
> + return state;
> +}
> +
> +/**
> * sexpr_to_xend_domain_info:
> * @root: an S-Expression describing a domain
> * @info: a info data structure to fill=up
> @@ -1033,38 +1070,16 @@ static int
> sexpr_to_xend_domain_info(virDomainPtr domain, const struct sexpr *root,
> virDomainInfoPtr info)
> {
> - const char *flags;
> int vcpus;
>
> if ((root == NULL) || (info == NULL))
> return (-1);
>
> + info->state = sexpr_to_xend_domain_state(domain, root);
> info->memory = sexpr_u64(root, "domain/memory") << 10;
> info->maxMem = sexpr_u64(root, "domain/maxmem") << 10;
> - flags = sexpr_node(root, "domain/state");
> -
> - if (flags) {
> - if (strchr(flags, 'c'))
> - info->state = VIR_DOMAIN_CRASHED;
> - else if (strchr(flags, 's'))
> - info->state = VIR_DOMAIN_SHUTOFF;
> - else if (strchr(flags, 'd'))
> - info->state = VIR_DOMAIN_SHUTDOWN;
> - else if (strchr(flags, 'p'))
> - info->state = VIR_DOMAIN_PAUSED;
> - else if (strchr(flags, 'b'))
> - info->state = VIR_DOMAIN_BLOCKED;
> - else if (strchr(flags, 'r'))
> - info->state = VIR_DOMAIN_RUNNING;
> - } else {
> - /* Inactive domains don't have a state reported, so
> - mark them SHUTOFF, rather than NOSTATE */
> - if (domain->id < 0)
> - info->state = VIR_DOMAIN_SHUTOFF;
> - else
> - info->state = VIR_DOMAIN_NOSTATE;
> - }
> info->cpuTime = sexpr_float(root, "domain/cpu_time") * 1000000000;
> +
> vcpus = sexpr_int(root, "domain/vcpus");
> info->nrVirtCpu = count_one_bits_l(sexpr_u64(root, "domain/vcpu_avail"));
> if (!info->nrVirtCpu || vcpus < info->nrVirtCpu)
> @@ -1894,6 +1909,42 @@ xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info)
>
>
> /**
> + * xenDaemonDomainGetState:
> + * @domain: a domain object
> + * @state: returned domain's state
> + * @reason: returned reason for the state
> + * @flags: additional flags, 0 for now
> + *
> + * This method looks up domain state and reason.
> + *
> + * Returns 0 in case of success, -1 in case of error
> + */
> +int
> +xenDaemonDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags ATTRIBUTE_UNUSED)
> +{
> + xenUnifiedPrivatePtr priv = domain->conn->privateData;
> + struct sexpr *root;
> +
> + if (domain->id < 0 && priv->xendConfigVersion < 3)
> + return -1;
> +
> + root = sexpr_get(domain->conn, "/xend/domain/%s?detail=1", domain->name);
> + if (!root)
> + return -1;
> +
> + *state = sexpr_to_xend_domain_state(domain, root);
> + if (reason)
> + *reason = 0;
> +
> + sexpr_free(root);
> + return 0;
> +}
> +
> +
> +/**
> * xenDaemonLookupByName:
> * @conn: A xend instance
> * @name: The name of the domain
> diff --git a/src/xen/xend_internal.h b/src/xen/xend_internal.h
> index 805cf91..de9b1b9 100644
> --- a/src/xen/xend_internal.h
> +++ b/src/xen/xend_internal.h
> @@ -110,6 +110,10 @@ int xenDaemonDomainRestore(virConnectPtr conn, const char *filename);
> int xenDaemonDomainSetMemory(virDomainPtr domain, unsigned long memory);
> int xenDaemonDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
> int xenDaemonDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info);
> +int xenDaemonDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags);
> char *xenDaemonDomainDumpXML(virDomainPtr domain, int flags, const char *cpus);
> unsigned long xenDaemonDomainGetMaxMemory(virDomainPtr domain);
> char **xenDaemonListDomainsOld(virConnectPtr xend);
> diff --git a/src/xen/xm_internal.c b/src/xen/xm_internal.c
> index 07a0c0f..e68a043 100644
> --- a/src/xen/xm_internal.c
> +++ b/src/xen/xm_internal.c
> @@ -469,6 +469,26 @@ int xenXMClose(virConnectPtr conn) {
> }
>
> /*
> + * Since these are all offline domains, the state is always SHUTOFF.
> + */
> +int
> +xenXMDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags ATTRIBUTE_UNUSED)
> +{
> + if (domain->id != -1)
> + return -1;
> +
> + *state = VIR_DOMAIN_SHUTOFF;
> + if (reason)
> + *reason = 0;
> +
> + return 0;
> +}
> +
> +
> +/*
> * Since these are all offline domains, we only return info about
> * VCPUs and memory.
> */
> diff --git a/src/xen/xm_internal.h b/src/xen/xm_internal.h
> index 695bb3e..2d37505 100644
> --- a/src/xen/xm_internal.h
> +++ b/src/xen/xm_internal.h
> @@ -40,6 +40,10 @@ virDrvOpenStatus xenXMOpen(virConnectPtr conn, virConnectAuthPtr auth, int flags
> int xenXMClose(virConnectPtr conn);
> const char *xenXMGetType(virConnectPtr conn);
> int xenXMDomainGetInfo(virDomainPtr domain, virDomainInfoPtr info);
> +int xenXMDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags);
> char *xenXMDomainDumpXML(virDomainPtr domain, int flags);
> int xenXMDomainSetMemory(virDomainPtr domain, unsigned long memory);
> int xenXMDomainSetMaxMemory(virDomainPtr domain, unsigned long memory);
> diff --git a/src/xen/xs_internal.c b/src/xen/xs_internal.c
> index c318f6c..0db1c9f 100644
> --- a/src/xen/xs_internal.c
> +++ b/src/xen/xs_internal.c
> @@ -449,6 +449,40 @@ xenStoreGetDomainInfo(virDomainPtr domain, virDomainInfoPtr info)
> }
>
> /**
> + * xenStoreDomainGetState:
> + * @domain: pointer to the domain block
> + * @state: returned domain's state
> + * @reason: returned state reason
> + * @flags: additional flags, 0 for now
> + *
> + * Returns 0 in case of success, -1 in case of error.
> + */
> +int
> +xenStoreDomainGetState(virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags ATTRIBUTE_UNUSED)
> +{
> + char *running;
> +
> + if (domain->id == -1)
> + return -1;
> +
> + running = virDomainDoStoreQuery(domain->conn, domain->id, "running");
> +
> + if (running && *running == '1')
> + *state = VIR_DOMAIN_RUNNING;
> + else
> + *state = VIR_DOMAIN_NOSTATE;
> + if (reason)
> + *reason = 0;
> +
> + VIR_FREE(running);
> +
> + return 0;
> +}
> +
> +/**
> * xenStoreDomainSetMemory:
> * @domain: pointer to the domain block
> * @memory: the max memory size in kilobytes.
> diff --git a/src/xen/xs_internal.h b/src/xen/xs_internal.h
> index d58e6c0..efc4f9f 100644
> --- a/src/xen/xs_internal.h
> +++ b/src/xen/xs_internal.h
> @@ -23,6 +23,10 @@ virDrvOpenStatus xenStoreOpen (virConnectPtr conn,
> int xenStoreClose (virConnectPtr conn);
> int xenStoreGetDomainInfo (virDomainPtr domain,
> virDomainInfoPtr info);
> +int xenStoreDomainGetState (virDomainPtr domain,
> + int *state,
> + int *reason,
> + unsigned int flags);
> int xenStoreNumOfDomains (virConnectPtr conn);
> int xenStoreListDomains (virConnectPtr conn,
> int *ids,
> diff --git a/src/xenapi/xenapi_driver.c b/src/xenapi/xenapi_driver.c
> index 83417df..87bba74 100644
> --- a/src/xenapi/xenapi_driver.c
> +++ b/src/xenapi/xenapi_driver.c
> @@ -994,6 +994,54 @@ xenapiDomainGetInfo (virDomainPtr dom, virDomainInfoPtr info)
> return -1;
> }
>
> +/*
> + * xenapiDomainGetState:
> + *
> + * Retrieves domain status and its reason.
> + *
> + * Returns 0 on success or -1 in case of error
> + */
> +static int
> +xenapiDomainGetState(virDomainPtr dom,
> + int *state,
> + int *reason,
> + unsigned int flags)
> +{
> + struct _xenapiPrivate *priv = dom->conn->privateData;
> + enum xen_vm_power_state powerState = XEN_VM_POWER_STATE_UNDEFINED;
> + xen_vm_set *vms = NULL;
> + xen_vm vm;
> + int ret = -1;
> +
> + virCheckFlags(0, -1);
> +
> + if (!xen_vm_get_by_name_label(priv->session, &vms, dom->name) ||
> + vms->size == 0) {
> + xenapiSessionErrorHandler(dom->conn, VIR_ERR_NO_DOMAIN, NULL);
> + goto cleanup;
> + }
> +
> + if (vms->size != 1) {
> + xenapiSessionErrorHandler(dom->conn, VIR_ERR_INTERNAL_ERROR,
> + _("Domain name is not unique"));
> + goto cleanup;
> + }
> +
> + vm = vms->contents[0];
> + xen_vm_get_power_state(priv->session, &powerState, vm);
> +
> + *state = mapPowerState(powerState);
> + if (reason)
> + *reason = 0;
> +
> + ret = 0;
> +
> +cleanup:
> + if (vms)
> + xen_vm_set_free(vms);
> + return ret;
> +}
> +
>
> /*
> * xenapiDomainSetVcpusFlags
> @@ -1813,7 +1861,7 @@ static virDriver xenapiDriver = {
> NULL, /* domainSetBlkioParameters */
> NULL, /* domainGetBlkioParameters */
> xenapiDomainGetInfo, /* domainGetInfo */
> - NULL, /* domainGetState */
> + xenapiDomainGetState, /* domainGetState */
> NULL, /* domainSave */
> NULL, /* domainRestore */
> NULL, /* domainCoreDump */
ACK
Daniel
--
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