[PATCH 4/4] python: add python binding for virDomainSetMemoryParameters

[Hu Tao <hutao@xxxxxxxxxxxxxx>]

---
 python/libvirt-override-api.xml |    1 +
 python/libvirt-override.c       |   94 +++++++++++++++++++++++++++++++++++++-
 2 files changed, 92 insertions(+), 3 deletions(-)

diff --git a/python/libvirt-override-api.xml b/python/libvirt-override-api.xml
index 0a67f9d..2fa5eed 100644
--- a/python/libvirt-override-api.xml
+++ b/python/libvirt-override-api.xml
@@ -219,6 +219,7 @@
       <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='virMemoryParameterPtr' info='pointer to memory tunable objects'/>
+      <arg name='flags'  type='int' info='an OR&apos;ed set of virDomainModificationImpact'/>
     </function>
     <function name='virDomainGetMemoryParameters' file='python'>
       <info>Get the memory parameters</info>
diff --git a/python/libvirt-override.c b/python/libvirt-override.c
index 7ab67e9..d4e536e 100644
--- a/python/libvirt-override.c
+++ b/python/libvirt-override.c
@@ -740,11 +740,99 @@ libvirt_virDomainGetBlkioParameters(PyObject *self ATTRIBUTE_UNUSED,
     return(info);
 }
 
-/* FIXME: This is a place holder for the implementation. */
 static PyObject *
 libvirt_virDomainSetMemoryParameters(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:virDomainSetMemoryParameters",
+                          &pyobj_domain, &info, &flags))
+        return(NULL);
+    domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+    LIBVIRT_BEGIN_ALLOW_THREADS;
+    i_retval = virDomainGetMemoryParameters(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 = virDomainGetMemoryParameters(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 = virDomainSetMemoryParameters(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 *
-- 
1.7.3.1

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