Enable virDomainBlockPull in the python API.

virDomainBlockPullAll and virDomainBlockPullAbort are handled automatically.
virDomainBlockPull and virDomainBlockPullInfo require manual overrides since
they return a custom type.

* python/generator.py: reenable bindings for this entry point
* python/libvirt-override-api.xml python/libvirt-override.c:
  manual overrides

Signed-off-by: Adam Litke <agl@us.ibm.com>
Acked-by: Daniel P. Berrange <berrange@redhat.com>

python/generator.py

@@ -184,8 +184,6 @@ def enum(type, name, value):
 functions_failed = []
 functions_skipped = [
     "virConnectListDomains",
-    'virDomainBlockPull',
-    'virDomainGetBlockPullInfo',
 ]
 
 skipped_modules = {
@@ -200,7 +198,6 @@ skipped_types = {
      'virConnectDomainEventIOErrorCallback': "No function types in python",
      'virConnectDomainEventGraphicsCallback': "No function types in python",
      'virEventAddHandleFunc': "No function types in python",
-     'virDomainBlockPullInfoPtr': "Not implemented yet",
 }
 
 #######################################################################
@@ -368,6 +365,8 @@ skip_impl = (
     'virDomainSendKey',
     'virNodeGetCPUStats',
     'virNodeGetMemoryStats',
+    'virDomainBlockPull',
+    'virDomainGetBlockPullInfo',
 )
 
 

python/libvirt-override-api.xml

@@ -314,5 +314,19 @@
       <arg name='flags' type='unsigned int' info='flags, curently unused'/>
       <return type='int' info="0 on success, -1 on error"/>
     </function>
+    <function name='virDomainBlockPull' file='python'>
+      <info>Initiate an incremental BlockPull for the given disk</info>
+      <arg name='dom' type='virDomainPtr' info='pointer to the domain'/>
+      <arg name='path' type='const char *' info='Fully-qualified filename of disk'/>
+      <arg name='flags' type='unsigned int' info='fine-tuning flags, currently unused, pass 0.'/>
+      <return type='virDomainBlockPullInfo' info='A dictionary containing progress information.' />
+    </function>
+    <function name='virDomainGetBlockPullInfo' file='python'>
+      <info>Get progress information for a background BlockPull operation</info>
+      <arg name='dom' type='virDomainPtr' info='pointer to the domain'/>
+      <arg name='path' type='const char *' info='Fully-qualified filename of disk'/>
+      <arg name='flags' type='unsigned int' info='fine-tuning flags, currently unused, pass 0.'/>
+      <return type='virDomainBlockPullInfo' info='A dictionary containing progress information.' />
+    </function>
   </symbols>
 </api>

python/libvirt-override.c

@@ -2382,6 +2382,57 @@ libvirt_virDomainGetJobInfo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
     return(py_retval);
 }
 
+static PyObject *
+libvirt_virDomainBlockPullImpl(PyObject *self ATTRIBUTE_UNUSED,
+                               PyObject *args, int infoOnly) {
+    virDomainPtr domain;
+    PyObject *pyobj_domain;
+    const char *path;
+    unsigned int flags;
+    virDomainBlockPullInfo info;
+    int c_ret;
+    PyObject *ret;
+
+    if (!PyArg_ParseTuple(args, (char *)"Ozi:virDomainStreamDiskInfo",
+                          &pyobj_domain, &path, &flags))
+        return(NULL);
+    domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
+
+LIBVIRT_BEGIN_ALLOW_THREADS;
+    if (infoOnly)
+        c_ret = virDomainGetBlockPullInfo(domain, path, &info, flags);
+    else
+        c_ret = virDomainBlockPull(domain, path, &info, flags);
+LIBVIRT_END_ALLOW_THREADS;
+
+    if (c_ret == -1)
+        return VIR_PY_NONE;
+
+    if ((ret = PyDict_New()) == NULL)
+        return VIR_PY_NONE;
+
+    PyDict_SetItem(ret, libvirt_constcharPtrWrap("cur"),
+                   libvirt_ulonglongWrap(info.cur));
+    PyDict_SetItem(ret, libvirt_constcharPtrWrap("end"),
+                   libvirt_ulonglongWrap(info.end));
+
+    return ret;
+}
+
+static PyObject *
+libvirt_virDomainBlockPull(PyObject *self ATTRIBUTE_UNUSED,
+                           PyObject *args)
+{
+    return libvirt_virDomainBlockPullImpl(self, args, 0);
+}
+
+static PyObject *
+libvirt_virDomainGetBlockPullInfo(PyObject *self ATTRIBUTE_UNUSED,
+                                  PyObject *args)
+{
+    return libvirt_virDomainBlockPullImpl(self, args, 1);
+}
+
 
 /*******************************************
  * Helper functions to avoid importing modules
@@ -3613,6 +3664,8 @@ static PyMethodDef libvirtMethods[] = {
     {(char *) "virDomainGetJobInfo", libvirt_virDomainGetJobInfo, METH_VARARGS, NULL},
     {(char *) "virDomainSnapshotListNames", libvirt_virDomainSnapshotListNames, METH_VARARGS, NULL},
     {(char *) "virDomainRevertToSnapshot", libvirt_virDomainRevertToSnapshot, METH_VARARGS, NULL},
+    {(char *) "virDomainBlockPull", libvirt_virDomainBlockPull, METH_VARARGS, NULL},
+    {(char *) "virDomainGetBlockPullInfo", libvirt_virDomainGetBlockPullInfo, METH_VARARGS, NULL},
     {NULL, NULL, 0, NULL}
 };