python: add python binding for virDomainGetBlkioParameters

python/libvirt-override-api.xml

@@ -208,10 +208,10 @@
       <arg name='params' type='virBlkioParameterPtr' info='pointer to blkio tunable objects'/>
     </function>
     <function name='virDomainGetBlkioParameters' file='python'>
-      <info>Get the blkio parameters, the @params array will be filled with the values.</info>
-      <return type='int' info='-1 in case of error, 0 in case of success.'/>
+      <info>Get the blkio parameters</info>
+      <return type='virSchedParameterPtr' info='None in case of error, returns a dictionary of params'/>
       <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='virDomainSetMemoryParameters' file='python'>
       <info>Change the memory tunables</info>

python/libvirt-override.c

@@ -572,11 +572,84 @@ libvirt_virDomainSetBlkioParameters(PyObject *self ATTRIBUTE_UNUSED,
     return VIR_PY_INT_FAIL;
 }
 
-/* FIXME: This is a place holder for the implementation. */
 static PyObject *
 libvirt_virDomainGetBlkioParameters(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 *)"Oi:virDomainGetBlkioParameters",
+                          &pyobj_domain, &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_NONE;
+
+    if ((params = malloc(sizeof(*params)*nparams)) == NULL)
+        return VIR_PY_NONE;
+
+    LIBVIRT_BEGIN_ALLOW_THREADS;
+    i_retval = virDomainGetBlkioParameters(domain, 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);
 }
 
 /* FIXME: This is a place holder for the implementation. */