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python: add python binding for virDomainSetBlkioParameters

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This commit is contained in:
Hu Tao 2011-07-27 10:13:09 +08:00 committed by Michal Privoznik
parent 9d5cef1872
commit 3f08212c3c
2 changed files with 92 additions and 3 deletions
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1
python/libvirt-override-api.xml
View File

@ -206,6 +206,7 @@
<return type='int' info='-1 in case of error, 0 in case of success.'/>
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='params' type='virBlkioParameterPtr' info='pointer to blkio tunable objects'/>
<arg name='flags' type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
</function>
<function name='virDomainGetBlkioParameters' file='python'>
<info>Get the blkio parameters</info>

94
python/libvirt-override.c
View File

@ -565,11 +565,99 @@ libvirt_virDomainSetSchedulerParametersFlags(PyObject *self ATTRIBUTE_UNUSED,
}
/* FIXME: This is a place holder for the implementation. */
static PyObject *
libvirt_virDomainSetBlkioParameters(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args ATTRIBUTE_UNUSED) {
return VIR_PY_INT_FAIL;
PyObject *args) {
virDomainPtr domain;
PyObject *pyobj_domain, *info;
int i_retval;
int nparams = 0, i;
unsigned int flags;
virTypedParameterPtr params;
if (!PyArg_ParseTuple(args,
(char *)"OOi:virDomainSetBlkioParameters",
&pyobj_domain, &info, &flags))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainGetBlkioParameters(domain, NULL, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0)
return VIR_PY_INT_FAIL;
if ((params = malloc(sizeof(*params)*nparams)) == NULL)
return VIR_PY_INT_FAIL;
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainGetBlkioParameters(domain, params, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0) {
free(params);
return VIR_PY_INT_FAIL;
}
/* convert to a Python tuple of long objects */
for (i = 0; i < nparams; i++) {
PyObject *key, *val;
key = libvirt_constcharPtrWrap(params[i].field);
val = PyDict_GetItem(info, key);
Py_DECREF(key);
if (val == NULL)
continue;
switch (params[i].type) {
case VIR_TYPED_PARAM_INT:
params[i].value.i = (int)PyInt_AS_LONG(val);
break;
case VIR_TYPED_PARAM_UINT:
params[i].value.ui = (unsigned int)PyInt_AS_LONG(val);
break;
case VIR_TYPED_PARAM_LLONG:
params[i].value.l = (long long)PyLong_AsLongLong(val);
break;
case VIR_TYPED_PARAM_ULLONG:
params[i].value.ul = (unsigned long long)PyLong_AsLongLong(val);
break;
case VIR_TYPED_PARAM_DOUBLE:
params[i].value.d = (double)PyFloat_AsDouble(val);
break;
case VIR_TYPED_PARAM_BOOLEAN:
{
/* Hack - Python's definition of Py_True breaks strict
* aliasing rules, so can't directly compare :-(
*/
PyObject *hacktrue = PyBool_FromLong(1);
params[i].value.b = hacktrue == val ? 1: 0;
Py_DECREF(hacktrue);
}
break;
default:
free(params);
return VIR_PY_INT_FAIL;
}
}
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainSetBlkioParameters(domain, params, nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0) {
free(params);
return VIR_PY_INT_FAIL;
}
free(params);
return VIR_PY_INT_SUCCESS;
}
static PyObject *