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Re: [libvirt] [PATCH v4 6/7] add python module support Add virDomainQemuAgentCommand() support function to python module.



On Thu, Aug 23, 2012 at 12:29:26PM +0900, MATSUDA Daiki wrote:
> 
> Signed-off-by: MATSUDA Daiki <matsudadik intellilink co jp>
> ---
>  python/libvirt-qemu-override-api.xml |    8 ++++++++
>  python/libvirt-qemu-override.c       |   29 +++++++++++++++++++++++++++++
>  2 files changed, 37 insertions(+), 0 deletions(-)
> 
> diff --git a/python/libvirt-qemu-override-api.xml b/python/libvirt-qemu-override-api.xml
> index d69acea..ca0dae9 100644
> --- a/python/libvirt-qemu-override-api.xml
> +++ b/python/libvirt-qemu-override-api.xml
> @@ -8,5 +8,13 @@
>          <arg name='cmd' type='const char *' info='the command which will be passed to QEMU monitor'/>
>          <arg name='flags' type='unsigned int' info='an OR&apos;ed set of virDomainQemuMonitorCommandFlags'/>
>        </function>
> +      <function name='virDomainQemuAgentCommand' file='python-qemu'>
> +        <info>Send a Guest Agent command to domain</info>
> +        <return type='str *' info='the command output'/>
> +        <arg name='domain' type='virDomainPtr' info='pointer to the domain'/>
> +        <arg name='cmd' type='const char *' info='guest agent command on domain'/>
> +        <arg name='timeout' type='int' info='timeout seconds'/>
> +        <arg name='flags' type='unsigned int' info='execution flags'/>
> +      </function>
>    </symbols>
>  </api>
> diff --git a/python/libvirt-qemu-override.c b/python/libvirt-qemu-override.c
> index e532416..243692a 100644
> --- a/python/libvirt-qemu-override.c
> +++ b/python/libvirt-qemu-override.c
> @@ -82,6 +82,34 @@ libvirt_qemu_virDomainQemuMonitorCommand(PyObject *self ATTRIBUTE_UNUSED,
>      return py_retval;
>  }
>  
> +static PyObject *
> +libvirt_qemu_virDomainQemuAgentCommand(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
> +{
> +    PyObject *py_retval;
> +    char *result = NULL;
> +    virDomainPtr domain;
> +    PyObject *pyobj_domain;
> +    int timeout;
> +    unsigned int flags;
> +    char *cmd;
> +
> +    if (!PyArg_ParseTuple(args, (char *)"Ozii:virDomainQemuAgentCommand",
> +                          &pyobj_domain, &cmd, &timeout, &flags))
> +        return NULL;
> +    domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
> +
> +    if (domain == NULL)
> +        return VIR_PY_NONE;
> +    LIBVIRT_BEGIN_ALLOW_THREADS;
> +    result = virDomainQemuAgentCommand(domain, cmd, timeout, flags);
> +    LIBVIRT_END_ALLOW_THREADS;
> +
> +    if (!result)
> +        return VIR_PY_NONE;
> +
> +    py_retval = PyString_FromString(result);
> +    return py_retval;
> +}


  i agree to have a simple string returned back at the condition that
we add error support by raising an exception from the C code (I don't
remember how to do this) otherwise we have no way to report an error
with the python API as-is,

>   *									*
>   *			The registration stuff				*
> @@ -90,6 +118,7 @@ libvirt_qemu_virDomainQemuMonitorCommand(PyObject *self ATTRIBUTE_UNUSED,
>  static PyMethodDef libvirtQemuMethods[] = {
>  #include "libvirt-qemu-export.c"
>      {(char *) "virDomainQemuMonitorCommand", libvirt_qemu_virDomainQemuMonitorCommand, METH_VARARGS, NULL},
> +    {(char *) "virDomainQemuAgentCommand", libvirt_qemu_virDomainQemuAgentCommand, METH_VARARGS, NULL},
>      {NULL, NULL, 0, NULL}
>  };
>  

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel veillard com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/


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