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Added python bindings for networking APIs

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This commit is contained in:
Daniel P. Berrange 2007-03-09 15:42:50 +00:00
parent b35adb3836
commit 6a66941843
6 changed files with 256 additions and 2 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
Fri Mar 9 10:41:11 EST 2007 Daniel P. Berrange <berrange@redhat.com>
* python/generator.py, python/libvir.c, python/libvirt_wrap.h,
python/libvirt-python-api.xml, python/types.c: Added new bindings
for all the virNetwork related APIs
Fri Mar 9 14:43:11 CET 2007 Daniel Veillard <veillard@redhat.com>
* src/virsh.c: bad pointer/int mismatch fixes from Richard Jones

25
python/generator.py
View File

@ -235,6 +235,10 @@ py_types = {
'const virDomainPtr': ('O', "virDomain", "virDomainPtr", "virDomainPtr"),
'virDomain *': ('O', "virDomain", "virDomainPtr", "virDomainPtr"),
'const virDomain *': ('O', "virDomain", "virDomainPtr", "virDomainPtr"),
'virNetworkPtr': ('O', "virNetwork", "virNetworkPtr", "virNetworkPtr"),
'const virNetworkPtr': ('O', "virNetwork", "virNetworkPtr", "virNetworkPtr"),
'virNetwork *': ('O', "virNetwork", "virNetworkPtr", "virNetworkPtr"),
'const virNetwork *': ('O', "virNetwork", "virNetworkPtr", "virNetworkPtr"),
'virConnectPtr': ('O', "virConnect", "virConnectPtr", "virConnectPtr"),
'const virConnectPtr': ('O', "virConnect", "virConnectPtr", "virConnectPtr"),
'virConnect *': ('O', "virConnect", "virConnectPtr", "virConnectPtr"),
@ -261,12 +265,16 @@ foreign_encoding_args = (
skip_impl = (
'virConnectListDomainsID',
'virConnectListDefinedDomains',
'virConnectListNetworks',
'virConnectListDefinedNetworks',
'virConnGetLastError',
'virGetLastError',
'virDomainGetInfo',
'virNodeGetInfo',
'virDomainGetUUID',
'virDomainLookupByUUID',
'virNetworkGetUUID',
'virNetworkLookupByUUID',
)
def skip_function(name):
@ -274,6 +282,8 @@ def skip_function(name):
return 1
if name == "virDomainFree":
return 1
if name == "virNetworkFree":
return 1
if name == "vshRunConsole":
return 1
return 0
@ -526,6 +536,8 @@ def buildStubs():
classes_type = {
"virDomainPtr": ("._o", "virDomain(_obj=%s)", "virDomain"),
"virDomain *": ("._o", "virDomain(_obj=%s)", "virDomain"),
"virNetworkPtr": ("._o", "virNetwork(_obj=%s)", "virNetwork"),
"virNetwork *": ("._o", "virNetwork(_obj=%s)", "virNetwork"),
"virConnectPtr": ("._o", "virConnect(_obj=%s)", "virConnect"),
"virConnect *": ("._o", "virConnect(_obj=%s)", "virConnect"),
}
@ -533,17 +545,19 @@ classes_type = {
converter_type = {
}
primary_classes = ["virDomain", "virConnect"]
primary_classes = ["virDomain", "virNetwork", "virConnect"]
classes_ancestor = {
}
classes_destructors = {
"virDomain": "virDomainFree",
"virNetwork": "virNetworkFree",
"virConnect": "virConnectClose",
}
classes_references = {
"virDomain": "virConnect",
"virNetwork": "virConnect",
}
functions_noexcept = {
@ -558,6 +572,7 @@ function_classes["None"] = []
function_post = {
'virDomainDestroy': "self._o = None",
'virNetworkDestroy': "self._o = None",
}
def nameFixup(name, classe, type, file):
@ -573,6 +588,12 @@ def nameFixup(name, classe, type, file):
elif name[0:9] == "virDomain":
func = name[9:]
func = string.lower(func[0:1]) + func[1:]
elif name[0:13] == "virNetworkGet":
func = name[13:]
func = string.lower(func[0:1]) + func[1:]
elif name[0:10] == "virNetwork":
func = name[10:]
func = string.lower(func[0:1]) + func[1:]
elif name[0:7] == "virNode":
func = name[7:]
func = string.lower(func[0:1]) + func[1:]
@ -588,6 +609,8 @@ def nameFixup(name, classe, type, file):
func = "ID"
if func == "uUID":
func = "UUID"
if func == "uUIDString":
func = "UUIDString"
if func == "oSType":
func = "OSType"
if func == "xMLDesc":

178
python/libvir.c
View File

@ -18,6 +18,7 @@
extern void initlibvirtmod(void);
PyObject *libvirt_virDomainGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
PyObject *libvirt_virNetworkGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
PyObject *libvirt_virGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
PyObject *libvirt_virConnGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
@ -250,7 +251,7 @@ libvirt_virConnectListDefinedDomains(PyObject *self ATTRIBUTE_UNUSED,
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConnectListDomains", &pyobj_conn))
if (!PyArg_ParseTuple(args, (char *)"O:virConnectListDefinedDomains", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
@ -400,6 +401,176 @@ libvirt_virDomainLookupByUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
return(py_retval);
}
static PyObject *
libvirt_virNetworkFree(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
virNetworkPtr domain;
PyObject *pyobj_domain;
if (!PyArg_ParseTuple(args, (char *)"O:virNetworkFree", &pyobj_domain))
return(NULL);
domain = (virNetworkPtr) PyvirNetwork_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virNetworkFree(domain);
LIBVIRT_END_ALLOW_THREADS;
py_retval = libvirt_intWrap((int) c_retval);
return(py_retval);
}
static PyObject *
libvirt_virConnectListNetworks(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args) {
PyObject *py_retval;
char **names = NULL;
int c_retval, i;
virConnectPtr conn;
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConnectListNetworks", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
c_retval = virConnectNumOfNetworks(conn);
if (c_retval < 0) {
Py_INCREF(Py_None);
return (Py_None);
}
if (c_retval) {
names = malloc(sizeof(char *) * c_retval);
if (!names) {
Py_INCREF(Py_None);
return (Py_None);
}
c_retval = virConnectListNetworks(conn, names, c_retval);
if (c_retval < 0) {
free(names);
Py_INCREF(Py_None);
return(Py_None);
}
}
py_retval = PyList_New(c_retval);
if (names) {
for (i = 0;i < c_retval;i++) {
PyList_SetItem(py_retval, i, libvirt_constcharPtrWrap(names[i]));
free(names[i]);
}
free(names);
}
return(py_retval);
}
static PyObject *
libvirt_virConnectListDefinedNetworks(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args) {
PyObject *py_retval;
char **names = NULL;
int c_retval, i;
virConnectPtr conn;
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConnectListDefinedNetworks", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
c_retval = virConnectNumOfDefinedNetworks(conn);
if (c_retval < 0) {
Py_INCREF(Py_None);
return (Py_None);
}
if (c_retval) {
names = malloc(sizeof(char *) * c_retval);
if (!names) {
Py_INCREF(Py_None);
return (Py_None);
}
c_retval = virConnectListDefinedNetworks(conn, names, c_retval);
if (c_retval < 0) {
free(names);
Py_INCREF(Py_None);
return(Py_None);
}
}
py_retval = PyList_New(c_retval);
if (names) {
for (i = 0;i < c_retval;i++) {
PyList_SetItem(py_retval, i, libvirt_constcharPtrWrap(names[i]));
free(names[i]);
}
free(names);
}
return(py_retval);
}
PyObject *
libvirt_virNetworkGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
unsigned char uuid[VIR_UUID_BUFLEN];
virNetworkPtr domain;
PyObject *pyobj_domain;
int c_retval;
if (!PyArg_ParseTuple(args, (char *)"O:virNetworkGetUUID", &pyobj_domain))
return(NULL);
domain = (virNetworkPtr) PyvirNetwork_Get(pyobj_domain);
if (domain == NULL) {
Py_INCREF(Py_None);
return(Py_None);
}
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virNetworkGetUUID(domain, &uuid[0]);
LIBVIRT_END_ALLOW_THREADS;
if (c_retval < 0) {
Py_INCREF(Py_None);
return(Py_None);
}
py_retval = PyString_FromStringAndSize((char *) &uuid[0], VIR_UUID_BUFLEN);
return(py_retval);
}
static PyObject *
libvirt_virNetworkLookupByUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
virNetworkPtr c_retval;
virConnectPtr conn;
PyObject *pyobj_conn;
unsigned char * uuid;
int len;
if (!PyArg_ParseTuple(args, (char *)"Oz#:virNetworkLookupByUUID", &pyobj_conn, &uuid, &len))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
if ((uuid == NULL) || (len != VIR_UUID_BUFLEN)) {
Py_INCREF(Py_None);
return(Py_None);
}
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virNetworkLookupByUUID(conn, uuid);
LIBVIRT_END_ALLOW_THREADS;
py_retval = libvirt_virNetworkPtrWrap((virNetworkPtr) c_retval);
return(py_retval);
}
/************************************************************************
* *
* The registration stuff *
@ -418,6 +589,11 @@ static PyMethodDef libvirtMethods[] = {
{(char *) "virRegisterErrorHandler", libvirt_virRegisterErrorHandler, METH_VARARGS, NULL},
{(char *) "virGetLastError", libvirt_virGetLastError, METH_VARARGS, NULL},
{(char *) "virConnGetLastError", libvirt_virConnGetLastError, METH_VARARGS, NULL},
{(char *) "virNetworkFree", libvirt_virNetworkFree, METH_VARARGS, NULL},
{(char *) "virConnectListNetworks", libvirt_virConnectListNetworks, METH_VARARGS, NULL},
{(char *) "virConnectListDefinedNetworks", libvirt_virConnectListDefinedNetworks, METH_VARARGS, NULL},
{(char *) "virNetworkGetUUID", libvirt_virNetworkGetUUID, METH_VARARGS, NULL},
{(char *) "virNetworkLookupByUUID", libvirt_virNetworkLookupByUUID, METH_VARARGS, NULL},
{NULL, NULL, 0, NULL}
};

21
python/libvirt-python-api.xml
View File

@ -11,12 +11,28 @@
<arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
<return type='str *' info='the list of Names of None in case of error'/>
</function>
<function name='virConnectListNetworks' file='python'>
<info>list the networks, stores the pointers to the names in @names</info>
<arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
<return type='str *' info='the list of Names of None in case of error'/>
</function>
<function name='virConnectListDefinedNetworks' file='python'>
<info>list the defined networks, stores the pointers to the names in @names</info>
<arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
<return type='str *' info='the list of Names of None in case of error'/>
</function>
<function name='virDomainLookupByUUID' file='python'>
<info>Try to lookup a domain on the given hypervisor based on its UUID.</info>
<return type='virDomainPtr' info='a new domain object or NULL in case of failure'/>
<arg name='conn' type='virConnectPtr' info='pointer to the hypervisor connection'/>
<arg name='uuid' type='const unsigned char *' info='the UUID string for the domain, must be 16 bytes'/>
</function>
<function name='virNetworkLookupByUUID' file='python'>
<info>Try to lookup a network on the given hypervisor based on its UUID.</info>
<return type='virNetworkPtr' info='a new network object or NULL in case of failure'/>
<arg name='conn' type='virNetworkPtr' info='pointer to the hypervisor connection'/>
<arg name='uuid' type='const unsigned char *' info='the UUID string for the network, must be 16 bytes'/>
</function>
<function name='virDomainGetInfo' file='python'>
<info>Extract informations about a domain. Note that if the connection used to get the domain is limited only a partial set of the informations can be extracted.</info>
<return type='int *' info='the list of informations or None in case of error'/>
@ -32,5 +48,10 @@
<return type='char *' info='the 16 bytes string or None in case of error'/>
<arg name='domain' type='virDomainPtr' info='a domain object'/>
</function>
<function name='virNetworkGetUUID' file='python'>
<info>Extract the UUID unique Identifier of a network.</info>
<return type='char *' info='the 16 bytes string or None in case of error'/>
<arg name='domain' type='virNetworkPtr' info='a network object'/>
</function>
</symbols>
</api>

10
python/libvirt_wrap.h
View File

@ -39,6 +39,15 @@ typedef struct {
} PyvirDomain_Object;
#define PyvirNetwork_Get(v) (((v) == Py_None) ? NULL : \
(((PyvirNetwork_Object *)(v))->obj))
typedef struct {
PyObject_HEAD
virNetworkPtr obj;
} PyvirNetwork_Object;
PyObject * libvirt_intWrap(int val);
PyObject * libvirt_longWrap(long val);
PyObject * libvirt_ulongWrap(unsigned long val);
@ -48,6 +57,7 @@ PyObject * libvirt_constcharPtrWrap(const char *str);
PyObject * libvirt_charPtrConstWrap(const char *str);
PyObject * libvirt_virConnectPtrWrap(virConnectPtr node);
PyObject * libvirt_virDomainPtrWrap(virDomainPtr node);
PyObject * libvirt_virNetworkPtrWrap(virNetworkPtr node);
/* Provide simple macro statement wrappers (adapted from GLib, in turn from Perl):

18
python/types.c
View File

@ -124,6 +124,24 @@ libvirt_virDomainPtrWrap(virDomainPtr node)
return (ret);
}
PyObject *
libvirt_virNetworkPtrWrap(virNetworkPtr node)
{
PyObject *ret;
#ifdef DEBUG
printf("libvirt_virNetworkPtrWrap: node = %p\n", node);
#endif
if (node == NULL) {
Py_INCREF(Py_None);
return (Py_None);
}
ret =
PyCObject_FromVoidPtrAndDesc((void *) node, (char *) "virNetworkPtr",
NULL);
return (ret);
}
PyObject *
libvirt_virConnectPtrWrap(virConnectPtr node)
{