[libvirt] [python PATCH v3 5/5] Implement API bindings for virDomainBlockCopy
Pavel Hrdina
phrdina at redhat.com
Mon Sep 1 22:39:46 UTC 2014
On 09/02/2014 12:17 AM, Peter Krempa wrote:
> On 09/02/14 00:08, Pavel Hrdina wrote:
>> Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
>> ---
>>
>> new from v2:
>> - removed parameter nparams
>> - make params optional
>>
>> generator.py | 1 +
>> libvirt-override-api.xml | 9 +++++++++
>> libvirt-override.c | 33 +++++++++++++++++++++++++++++++++
>> 3 files changed, 43 insertions(+)
>>
>> diff --git a/generator.py b/generator.py
>> index 1daf866..a798274 100755
>> --- a/generator.py
>> +++ b/generator.py
>> @@ -464,6 +464,7 @@ skip_impl = (
>> 'virConnectGetCPUModelNames',
>> 'virNodeGetFreePages',
>> 'virNetworkGetDHCPLeases',
>> + 'virDomainBlockCopy',
>> )
>>
>> lxc_skip_impl = (
>> diff --git a/libvirt-override-api.xml b/libvirt-override-api.xml
>> index 09bbbf8..51d8273 100644
>> --- a/libvirt-override-api.xml
>> +++ b/libvirt-override-api.xml
>> @@ -640,5 +640,14 @@
>> <arg name='flags' type='unsigned int' info='unused, pass 0'/>
>> <return type='char *' info="list of leases"/>
>> </function>
>> + <function name="virDomainBlockCopy" file="python">
>> + <info>Copy the guest-visible contents of a disk image to a new file described by destxml</info>
>> + <arg name='dom' type='virDomainPtr' info='pointer to domain object'/>
>> + <arg name='disk' type='const char *' info='path to the block device, or device shorthand'/>
>> + <arg name='destxml' type='const char *' info='XML description of the copy destination'/>
>> + <arg name='params' type='virTypedParameterPtr' info='optional pointer to block copy parameter object, or NULL'/>
>> + <arg name='flags' type='unsigned int' info='bitwise-OR of virDomainBlockCopyFlags'/>
>> + <return type='int' info='0 if the operation has started, -1 on failure'/>
>> + </function>
>> </symbols>
>> </api>
>> diff --git a/libvirt-override.c b/libvirt-override.c
>> index 569778d..444a5fe 100644
>> --- a/libvirt-override.c
>> +++ b/libvirt-override.c
>> @@ -8096,6 +8096,38 @@ libvirt_virDomainListGetStats(PyObject *self ATTRIBUTE_UNUSED,
>> return py_retval;
>> }
>>
>> +
>> +static PyObject *
>> +libvirt_virDomainBlockCopy(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
>> +{
>> + PyObject *pyobj_dom = NULL;
>> + PyObject *pyobj_dict = NULL;
>> +
>> + virDomainPtr dom;
>> + char *disk = NULL;
>> + char *destxml = NULL;
>> + virTypedParameterPtr params;
>> + int nparams;
>> + unsigned int flags;
>> + int c_retval;
>> +
>> + if (!PyArg_ParseTuple(args, (char *) "Ozz|Oi:virDomainBlockCopy",
>> + &pyobj_dom, &disk, &destxml, &pyobj_dict, &nparams,
>> + &flags))
>> + return VIR_PY_INT_FAIL;
>
> You need to wrap the call below into a if (PyDict_Check(pyobj_dict)) as
> it doesn't handle "None" gracefully.
>
>> + if (virPyDictToTypedParams(pyobj_dict, ¶ms, &nparams, NULL, 0) < 0)
>> + return VIR_PY_INT_FAIL;
>> +
>> + dom = (virDomainPtr) PyvirDomain_Get(pyobj_dom);
>> +
>> + LIBVIRT_BEGIN_ALLOW_THREADS;
>> + c_retval = virDomainBlockCopy(dom, disk, destxml, params, nparams, flags);
>> + LIBVIRT_END_ALLOW_THREADS;
>> +
>> + return libvirt_intWrap(c_retval);
>> +}
>> +
>> #endif /* LIBVIR_CHECK_VERSION(1, 2, 8) */
>>
>> /************************************************************************
>> @@ -8286,6 +8318,7 @@ static PyMethodDef libvirtMethods[] = {
>> #if LIBVIR_CHECK_VERSION(1, 2, 8)
>> {(char *) "virConnectGetAllDomainStats", libvirt_virConnectGetAllDomainStats, METH_VARARGS, NULL},
>> {(char *) "virDomainListGetStats", libvirt_virDomainListGetStats, METH_VARARGS, NULL},
>> + {(char *) "virDomainBlockCopy", libvirt_virDomainBlockCopy, METH_VARARGS, NULL},
>> #endif /* LIBVIR_CHECK_VERSION(1, 2, 8) */
>> {NULL, NULL, 0, NULL}
>> };
>>
>
> ACK with the comment above addressed.
>
> Peter
>
Thanks for review, pushed whole series.
Pavel
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