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python: add Python binding for virDomainGetSchedulerParametersFlags API

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This patch adds the Python bindings for
virDomainGetSchedulerParametersFlags API.
This commit is contained in:
Taku Izumi 2011-07-25 14:57:33 +08:00 committed by Daniel Veillard
parent c5cf6e14ab
commit 9e4de11807
2 changed files with 103 additions and 0 deletions
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7
python/libvirt-override-api.xml
View File

@ -180,6 +180,13 @@
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='params' type='virSchedParameterPtr' info='pointer to scheduler parameter objects'/>
</function>
<function name='virDomainSetSchedulerParametersFlags' file='python'>
<info>Change the scheduler parameters</info>
<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='virSchedParameterPtr' info='pointer to scheduler parameter objects'/>
<arg name='flags' type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
</function>
<function name='virDomainSetBlkioParameters' file='python'>
<info>Change the blkio tunables</info>
<return type='int' info='-1 in case of error, 0 in case of success.'/>

96
python/libvirt-override.c
View File

@ -467,7 +467,102 @@ libvirt_virDomainSetSchedulerParameters(PyObject *self ATTRIBUTE_UNUSED,
return VIR_PY_INT_SUCCESS;
}
static PyObject *
libvirt_virDomainSetSchedulerParametersFlags(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args) {
virDomainPtr domain;
PyObject *pyobj_domain, *info;
char *c_retval;
int i_retval;
int nparams, i;
unsigned int flags;
virTypedParameterPtr params;
if (!PyArg_ParseTuple(args,
(char *)"OOi:virDomainSetScedulerParametersFlags",
&pyobj_domain, &info, &flags))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virDomainGetSchedulerType(domain, &nparams);
LIBVIRT_END_ALLOW_THREADS;
if (c_retval == NULL)
return VIR_PY_INT_FAIL;
free(c_retval);
if ((params = malloc(sizeof(*params)*nparams)) == NULL)
return VIR_PY_INT_FAIL;
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainGetSchedulerParametersFlags(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 = virDomainSetSchedulerParametersFlags(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;
}
/* FIXME: This is a place holder for the implementation. */
@ -4007,6 +4102,7 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virDomainGetSchedulerParameters", libvirt_virDomainGetSchedulerParameters, METH_VARARGS, NULL},
{(char *) "virDomainGetSchedulerParametersFlags", libvirt_virDomainGetSchedulerParametersFlags, METH_VARARGS, NULL},
{(char *) "virDomainSetSchedulerParameters", libvirt_virDomainSetSchedulerParameters, METH_VARARGS, NULL},
{(char *) "virDomainSetSchedulerParametersFlags", libvirt_virDomainSetSchedulerParametersFlags, METH_VARARGS, NULL},
{(char *) "virDomainSetBlkioParameters", libvirt_virDomainSetBlkioParameters, METH_VARARGS, NULL},
{(char *) "virDomainGetBlkioParameters", libvirt_virDomainGetBlkioParameters, METH_VARARGS, NULL},
{(char *) "virDomainSetMemoryParameters", libvirt_virDomainSetMemoryParameters, METH_VARARGS, NULL},