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latency: Expose the new API for Python binding

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This commit is contained in:
Osier Yang 2011-09-05 16:24:21 +08:00
parent ee0d8c3b5c
commit f4c331a744
3 changed files with 93 additions and 0 deletions
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1
python/generator.py
View File

@ -373,6 +373,7 @@ skip_impl = (
'virNodeGetMemoryStats',
'virDomainGetBlockJobInfo',
'virDomainMigrateGetMaxSpeed',
'virDomainBlockStatsFlags',
)

7
python/libvirt-override-api.xml
View File

@ -128,6 +128,13 @@
<arg name='domain' type='virDomainPtr' info='a domain object'/>
<arg name='path' type='char *' info='the path for the block device'/>
</function>
<function name='virDomainBlockStatsFlags' file='python'>
<info>Extracts block device statistics parameters of a running domain</info>
<return type='virTypedParameterPtr' info='None in case of error, returns a dictionary of params'/>
<arg name='domain' type='virDomainPtr' info='pointer to domain object'/>
<arg name='path' type='char *' info='the path for the block device'/>
<arg name='flags' type='int' info='flags (unused; pass 0)'/>
</function>
<function name='virDomainInterfaceStats' file='python'>
<info>Extracts interface device statistics for a domain</info>
<return type='virDomainInterfaceStats' info='a tuple of statistics'/>

85
python/libvirt-override.c
View File

@ -99,6 +99,90 @@ libvirt_virDomainBlockStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
return(info);
}
static PyObject *
libvirt_virDomainBlockStatsFlags(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args) {
virDomainPtr domain;
PyObject *pyobj_domain, *info;
int i_retval;
int nparams = 0, i;
unsigned int flags;
virTypedParameterPtr params;
const char *path;
if (!PyArg_ParseTuple(args, (char *)"Ozi:virDomainBlockStatsFlags",
&pyobj_domain, &path, &flags))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainBlockStatsFlags(domain, path, NULL, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0)
return VIR_PY_NONE;
if ((params = malloc(sizeof(*params)*nparams)) == NULL)
return VIR_PY_NONE;
LIBVIRT_BEGIN_ALLOW_THREADS;
i_retval = virDomainBlockStatsFlags(domain, path, params, &nparams, flags);
LIBVIRT_END_ALLOW_THREADS;
if (i_retval < 0) {
free(params);
return VIR_PY_NONE;
}
/* convert to a Python tuple of long objects */
if ((info = PyDict_New()) == NULL) {
free(params);
return VIR_PY_NONE;
}
for (i = 0 ; i < nparams ; i++) {
PyObject *key, *val;
switch (params[i].type) {
case VIR_TYPED_PARAM_INT:
val = PyInt_FromLong((long)params[i].value.i);
break;
case VIR_TYPED_PARAM_UINT:
val = PyInt_FromLong((long)params[i].value.ui);
break;
case VIR_TYPED_PARAM_LLONG:
val = PyLong_FromLongLong((long long)params[i].value.l);
break;
case VIR_TYPED_PARAM_ULLONG:
val = PyLong_FromLongLong((long long)params[i].value.ul);
break;
case VIR_TYPED_PARAM_DOUBLE:
val = PyFloat_FromDouble((double)params[i].value.d);
break;
case VIR_TYPED_PARAM_BOOLEAN:
val = PyBool_FromLong((long)params[i].value.b);
break;
default:
free(params);
Py_DECREF(info);
return VIR_PY_NONE;
}
key = libvirt_constcharPtrWrap(params[i].field);
PyDict_SetItem(info, key, val);
}
free(params);
return(info);
}
static PyObject *
libvirt_virDomainInterfaceStats(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
virDomainPtr domain;
@ -4605,6 +4689,7 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virDomainGetAutostart", libvirt_virDomainGetAutostart, METH_VARARGS, NULL},
{(char *) "virNetworkGetAutostart", libvirt_virNetworkGetAutostart, METH_VARARGS, NULL},
{(char *) "virDomainBlockStats", libvirt_virDomainBlockStats, METH_VARARGS, NULL},
{(char *) "virDomainBlockStatsFlags", libvirt_virDomainBlockStatsFlags, METH_VARARGS, NULL},
{(char *) "virDomainInterfaceStats", libvirt_virDomainInterfaceStats, METH_VARARGS, NULL},
{(char *) "virDomainMemoryStats", libvirt_virDomainMemoryStats, METH_VARARGS, NULL},
{(char *) "virNodeGetCellsFreeMemory", libvirt_virNodeGetCellsFreeMemory, METH_VARARGS, NULL},