[libvirt] [PATCHv2 5/6] util: use new virTypedParameter helpers
Daniel P. Berrange
berrange at redhat.com
Thu Jan 19 19:21:58 UTC 2012
On Thu, Jan 19, 2012 at 11:44:45AM -0700, Eric Blake wrote:
> Reusing common code makes things smaller; it also buys us some
> additional safety, such as now rejecting duplicate parameters
> during a set operation.
>
> * src/qemu/qemu_driver.c (qemuDomainSetBlkioParameters)
> (qemuDomainSetMemoryParameters, qemuDomainSetNumaParameters)
> (qemuSetSchedulerParametersFlags)
> (qemuDomainSetInterfaceParameters, qemuDomainSetBlockIoTune)
> (qemuDomainGetBlkioParameters, qemuDomainGetMemoryParameters)
> (qemuDomainGetNumaParameters, qemuGetSchedulerParametersFlags)
> (qemuDomainBlockStatsFlags, qemuDomainGetInterfaceParameters)
> (qemuDomainGetBlockIoTune): Use new helpers.
> * src/esx/esx_driver.c (esxDomainSetSchedulerParametersFlags)
> (esxDomainSetMemoryParameters)
> (esxDomainGetSchedulerParametersFlags)
> (esxDomainGetMemoryParameters): Likewise.
> * src/libxl/libxl_driver.c
> (libxlDomainSetSchedulerParametersFlags)
> (libxlDomainGetSchedulerParametersFlags): Likewise.
> * src/lxc/lxc_driver.c (lxcDomainSetMemoryParameters)
> (lxcSetSchedulerParametersFlags, lxcDomainSetBlkioParameters)
> (lxcDomainGetMemoryParameters, lxcGetSchedulerParametersFlags)
> (lxcDomainGetBlkioParameters): Likewise.
> * src/test/test_driver.c (testDomainSetSchedulerParamsFlags)
> (testDomainGetSchedulerParamsFlags): Likewise.
> * src/xen/xen_hypervisor.c (xenHypervisorSetSchedulerParameters)
> (xenHypervisorGetSchedulerParameters): Likewise.
> ---
> src/esx/esx_driver.c | 81 +++---
> src/libxl/libxl_driver.c | 44 +---
> src/lxc/lxc_driver.c | 218 +++++-----------
> src/qemu/qemu_driver.c | 656 ++++++++++++++--------------------------------
> src/test/test_driver.c | 27 +--
> src/xen/xen_hypervisor.c | 51 ++--
> 6 files changed, 350 insertions(+), 727 deletions(-)
> @@ -2968,42 +2922,25 @@ lxcGetSchedulerParametersFlags(virDomainPtr dom,
>
> if (cpu_bw_status) {
> if (*nparams > saved_nparams) {
> - params[1].value.ul = period;
> - params[1].type = VIR_TYPED_PARAM_ULLONG;
> - if (virStrcpyStatic(params[1].field,
> - VIR_DOMAIN_SCHEDULER_VCPU_PERIOD) == NULL) {
> - lxcError(VIR_ERR_INTERNAL_ERROR,
> - _("Field name '%s' too long"),
> - VIR_DOMAIN_SCHEDULER_VCPU_PERIOD);
> + if (virTypedParameterAssign(¶ms[1],
> + VIR_DOMAIN_SCHEDULER_VCPU_PERIOD,
> + VIR_TYPED_PARAM_ULLONG, shares) < 0)
s/shares/period/
> @@ -6201,21 +6169,11 @@ static int qemuDomainGetBlkioParameters(virDomainPtr dom,
> }
> param->value.s = virBufferContentAndReset(&buf);
> }
> - if (!param->value.s) {
> - param->value.s = strdup("");
> - if (!param->value.s) {
> - virReportOOMError();
> - goto cleanup;
> - }
> - }
> - param->type = VIR_TYPED_PARAM_STRING;
> - if (virStrcpyStatic(param->field,
> - VIR_DOMAIN_BLKIO_DEVICE_WEIGHT) == NULL) {
> - qemuReportError(VIR_ERR_INTERNAL_ERROR,
> - _("Field name '%s' too long"),
> - VIR_DOMAIN_BLKIO_DEVICE_WEIGHT);
> + if (virTypedParameterAssign(param,
> + VIR_DOMAIN_BLKIO_DEVICE_WEIGHT,
> + VIR_TYPED_PARAM_STRING,
> + param->value.s) < 0)
> goto cleanup;
Is virTypedParameterAssign happy getting a NULL for the string value ?
Previously we would have set "" for the parameter rather than NULL
ACK with those 2 points resolved
Regards,
Daniel
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