[libvirt] [PATCH 2/3] vz: implement API calls of nodeGetxxx family

[Dmitry Guryanov]

On 10/14/2015 12:50 PM, Maxim Nestratov wrote:
> From: Maxim Nestratov <mnestratov at virtuozzo.com>
>
> The following functions were implemented:
>
>   vzNodeGetCPUStats, vzNodeGetMemoryStats,
>   vzNodeGetCellsFreeMemory and vzNodeGetFreeMemory.

Looks good to me, ACK.

>
> Signed-off-by: Maxim Nestratov <mnestratov at virtuozzo.com>
> ---
>   src/vz/vz_driver.c |   42 ++++++++++++++++++++++++++++++++++++++++++
>   1 files changed, 42 insertions(+), 0 deletions(-)
>
> diff --git a/src/vz/vz_driver.c b/src/vz/vz_driver.c
> index 3cd6096..8a311ed 100644
> --- a/src/vz/vz_driver.c
> +++ b/src/vz/vz_driver.c
> @@ -1354,6 +1354,44 @@ static const char *vzConnectGetType(virConnectPtr conn ATTRIBUTE_UNUSED) {
>       return "vz";
>   }
>   
> +static int
> +vzNodeGetCPUStats(virConnectPtr conn ATTRIBUTE_UNUSED,
> +                  int cpuNum,
> +                  virNodeCPUStatsPtr params,
> +                  int *nparams,
> +                  unsigned int flags)
> +{
> +    return nodeGetCPUStats(cpuNum, params, nparams, flags);
> +}
> +
> +static int
> +vzNodeGetMemoryStats(virConnectPtr conn ATTRIBUTE_UNUSED,
> +                     int cellNum,
> +                     virNodeMemoryStatsPtr params,
> +                     int *nparams,
> +                     unsigned int flags)
> +{
> +    return nodeGetMemoryStats(NULL, cellNum, params, nparams, flags);
> +}
> +
> +static int
> +vzNodeGetCellsFreeMemory(virConnectPtr conn ATTRIBUTE_UNUSED,
> +                         unsigned long long *freeMems,
> +                         int startCell,
> +                         int maxCells)
> +{
> +    return nodeGetCellsFreeMemory(freeMems, startCell, maxCells);
> +}
> +
> +static unsigned long long
> +vzNodeGetFreeMemory(virConnectPtr conn ATTRIBUTE_UNUSED)
> +{
> +    unsigned long long freeMem;
> +    if (nodeGetMemory(NULL, &freeMem) < 0)
> +        return 0;
> +    return freeMem;
> +}
> +
>   static virHypervisorDriver vzDriver = {
>       .name = "vz",
>       .connectOpen = vzConnectOpen,            /* 0.10.0 */
> @@ -1363,6 +1401,10 @@ static virHypervisorDriver vzDriver = {
>       .connectGetType = vzConnectGetType,        /* 1.2.21 */
>       .connectGetMaxVcpus = vzConnectGetMaxVcpus, /* 1.2.21 */
>       .nodeGetInfo = vzNodeGetInfo,      /* 0.10.0 */
> +    .nodeGetCPUStats = vzNodeGetCPUStats,      /* 1.2.21 */
> +    .nodeGetMemoryStats = vzNodeGetMemoryStats, /* 1.2.21 */
> +    .nodeGetCellsFreeMemory = vzNodeGetCellsFreeMemory, /* 1.2.21 */
> +    .nodeGetFreeMemory = vzNodeGetFreeMemory, /* 1.2.21 */
>       .connectGetCapabilities = vzConnectGetCapabilities,      /* 0.10.0 */
>       .connectBaselineCPU = vzConnectBaselineCPU, /* 1.2.6 */
>       .connectListDomains = vzConnectListDomains,      /* 0.10.0 */