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/*
* libvir.c: this modules implements the main part of the glue of the
* libvir library and the Python interpreter. It provides the
* entry points where an automatically generated stub is
* unpractical
*
* Copyright (C) 2005 Red Hat, Inc.
*
* Daniel Veillard <veillard@redhat.com>
*/
#include <Python.h>
#include <libvirt/libvirt.h>
#include <libvirt/virterror.h>
#include "libvirt_wrap.h"
#include "libvirt-py.h"
void initlibvirmod(void);
PyObject *libvirt_virDomainGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
PyObject *libvirt_virGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
PyObject *libvirt_virConnGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args);
/************************************************************************
* *
* Global error handler at the Python level *
* *
************************************************************************/
static PyObject *libvirt_virPythonErrorFuncHandler = NULL;
static PyObject *libvirt_virPythonErrorFuncCtxt = NULL;
PyObject *
libvirt_virGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args ATTRIBUTE_UNUSED)
{
virError err;
PyObject *info;
if (virCopyLastError(&err) <= 0) {
Py_INCREF(Py_None);
return(Py_None);
}
info = PyTuple_New(9);
PyTuple_SetItem(info, 0, PyInt_FromLong((long) err.code));
PyTuple_SetItem(info, 1, PyInt_FromLong((long) err.domain));
PyTuple_SetItem(info, 2, libvirt_constcharPtrWrap(err.message));
PyTuple_SetItem(info, 3, PyInt_FromLong((long) err.level));
PyTuple_SetItem(info, 4, libvirt_constcharPtrWrap(err.str1));
PyTuple_SetItem(info, 5, libvirt_constcharPtrWrap(err.str2));
PyTuple_SetItem(info, 6, libvirt_constcharPtrWrap(err.str3));
PyTuple_SetItem(info, 7, PyInt_FromLong((long) err.int1));
PyTuple_SetItem(info, 8, PyInt_FromLong((long) err.int2));
return info;
}
PyObject *
libvirt_virConnGetLastError(PyObject *self ATTRIBUTE_UNUSED, PyObject *args)
{
virError err;
PyObject *info;
virConnectPtr conn;
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConGetLastError", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
if (virConnCopyLastError(conn, &err) <= 0) {
Py_INCREF(Py_None);
return(Py_None);
}
info = PyTuple_New(9);
PyTuple_SetItem(info, 0, PyInt_FromLong((long) err.code));
PyTuple_SetItem(info, 1, PyInt_FromLong((long) err.domain));
PyTuple_SetItem(info, 2, libvirt_constcharPtrWrap(err.message));
PyTuple_SetItem(info, 3, PyInt_FromLong((long) err.level));
PyTuple_SetItem(info, 4, libvirt_constcharPtrWrap(err.str1));
PyTuple_SetItem(info, 5, libvirt_constcharPtrWrap(err.str2));
PyTuple_SetItem(info, 6, libvirt_constcharPtrWrap(err.str3));
PyTuple_SetItem(info, 7, PyInt_FromLong((long) err.int1));
PyTuple_SetItem(info, 8, PyInt_FromLong((long) err.int2));
return info;
}
static void
libvirt_virErrorFuncHandler(ATTRIBUTE_UNUSED void *ctx, virErrorPtr err)
{
PyObject *list, *info;
PyObject *result;
#ifdef DEBUG_ERROR
printf("libvirt_virErrorFuncHandler(%p, %s, ...) called\n", ctx, msg);
#endif
if ((err == NULL) || (err->code == VIR_ERR_OK))
return;
LIBVIRT_ENSURE_THREAD_STATE;
if ((libvirt_virPythonErrorFuncHandler == NULL) ||
(libvirt_virPythonErrorFuncHandler == Py_None)) {
virDefaultErrorFunc(err);
} else {
list = PyTuple_New(2);
info = PyTuple_New(9);
PyTuple_SetItem(list, 0, libvirt_virPythonErrorFuncCtxt);
PyTuple_SetItem(list, 1, info);
Py_XINCREF(libvirt_virPythonErrorFuncCtxt);
PyTuple_SetItem(info, 0, PyInt_FromLong((long) err->code));
PyTuple_SetItem(info, 1, PyInt_FromLong((long) err->domain));
PyTuple_SetItem(info, 2, libvirt_constcharPtrWrap(err->message));
PyTuple_SetItem(info, 3, PyInt_FromLong((long) err->level));
PyTuple_SetItem(info, 4, libvirt_constcharPtrWrap(err->str1));
PyTuple_SetItem(info, 5, libvirt_constcharPtrWrap(err->str2));
PyTuple_SetItem(info, 6, libvirt_constcharPtrWrap(err->str3));
PyTuple_SetItem(info, 7, PyInt_FromLong((long) err->int1));
PyTuple_SetItem(info, 8, PyInt_FromLong((long) err->int2));
/* TODO pass conn and dom if available */
result = PyEval_CallObject(libvirt_virPythonErrorFuncHandler, list);
Py_XDECREF(list);
Py_XDECREF(result);
}
LIBVIRT_RELEASE_THREAD_STATE;
}
static PyObject *
libvirt_virRegisterErrorHandler(ATTRIBUTE_UNUSED PyObject * self,
PyObject * args)
{
PyObject *py_retval;
PyObject *pyobj_f;
PyObject *pyobj_ctx;
if (!PyArg_ParseTuple
(args, (char *) "OO:xmlRegisterErrorHandler", &pyobj_f,
&pyobj_ctx))
return (NULL);
#ifdef DEBUG_ERROR
printf("libvirt_virRegisterErrorHandler(%p, %p) called\n", pyobj_ctx,
pyobj_f);
#endif
virSetErrorFunc(NULL, libvirt_virErrorFuncHandler);
if (libvirt_virPythonErrorFuncHandler != NULL) {
Py_XDECREF(libvirt_virPythonErrorFuncHandler);
}
if (libvirt_virPythonErrorFuncCtxt != NULL) {
Py_XDECREF(libvirt_virPythonErrorFuncCtxt);
}
if ((pyobj_f == Py_None) && (pyobj_ctx == Py_None)) {
libvirt_virPythonErrorFuncHandler = NULL;
libvirt_virPythonErrorFuncCtxt = NULL;
} else {
Py_XINCREF(pyobj_ctx);
Py_XINCREF(pyobj_f);
/* TODO: check f is a function ! */
libvirt_virPythonErrorFuncHandler = pyobj_f;
libvirt_virPythonErrorFuncCtxt = pyobj_ctx;
}
py_retval = libvirt_intWrap(1);
return (py_retval);
}
/************************************************************************
* *
* Wrappers for functions where generator fails *
* *
************************************************************************/
static PyObject *
libvirt_virDomainFree(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
virDomainPtr domain;
PyObject *pyobj_domain;
if (!PyArg_ParseTuple(args, (char *)"O:virDomainFree", &pyobj_domain))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virDomainFree(domain);
LIBVIRT_END_ALLOW_THREADS;
py_retval = libvirt_intWrap((int) c_retval);
return(py_retval);
}
static PyObject *
libvirt_virConnectClose(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
virConnectPtr conn;
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConnectClose", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virConnectClose(conn);
LIBVIRT_END_ALLOW_THREADS;
py_retval = libvirt_intWrap((int) c_retval);
return(py_retval);
}
static PyObject *
libvirt_virConnectListDomainsID(PyObject *self ATTRIBUTE_UNUSED,
PyObject *args) {
PyObject *py_retval;
int ids[500], c_retval, i;
virConnectPtr conn;
PyObject *pyobj_conn;
if (!PyArg_ParseTuple(args, (char *)"O:virConnectListDomains", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virConnectListDomains(conn, &ids[0], 500);
LIBVIRT_END_ALLOW_THREADS;
if (c_retval < 0) {
Py_INCREF(Py_None);
return(Py_None);
}
py_retval = PyList_New(c_retval);
for (i = 0;i < c_retval;i++) {
PyList_SetItem(py_retval, i, libvirt_intWrap(ids[i]));
}
return(py_retval);
}
static PyObject *
libvirt_virDomainGetInfo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
virDomainPtr domain;
PyObject *pyobj_domain;
virDomainInfo info;
if (!PyArg_ParseTuple(args, (char *)"O:virDomainGetInfo", &pyobj_domain))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virDomainGetInfo(domain, &info);
LIBVIRT_END_ALLOW_THREADS;
if (c_retval < 0) {
Py_INCREF(Py_None);
return(Py_None);
}
py_retval = PyList_New(5);
PyList_SetItem(py_retval, 0, libvirt_intWrap((int) info.state));
PyList_SetItem(py_retval, 1, libvirt_ulongWrap(info.maxMem));
PyList_SetItem(py_retval, 2, libvirt_ulongWrap(info.memory));
PyList_SetItem(py_retval, 3, libvirt_intWrap((int) info.nrVirtCpu));
PyList_SetItem(py_retval, 4,
libvirt_longlongWrap((unsigned long long) info.cpuTime));
return(py_retval);
}
static PyObject *
libvirt_virNodeGetInfo(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
int c_retval;
virConnectPtr conn;
PyObject *pyobj_conn;
virNodeInfo info;
if (!PyArg_ParseTuple(args, (char *)"O:virDomainGetInfo", &pyobj_conn))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virNodeGetInfo(conn, &info);
LIBVIRT_END_ALLOW_THREADS;
if (c_retval < 0) {
Py_INCREF(Py_None);
return(Py_None);
}
py_retval = PyList_New(8);
PyList_SetItem(py_retval, 0, libvirt_constcharPtrWrap(&info.model[0]));
PyList_SetItem(py_retval, 1, libvirt_longWrap((long) info.memory >> 10));
PyList_SetItem(py_retval, 2, libvirt_intWrap((int) info.cpus));
PyList_SetItem(py_retval, 3, libvirt_intWrap((int) info.mhz));
PyList_SetItem(py_retval, 4, libvirt_intWrap((int) info.nodes));
PyList_SetItem(py_retval, 5, libvirt_intWrap((int) info.sockets));
PyList_SetItem(py_retval, 6, libvirt_intWrap((int) info.cores));
PyList_SetItem(py_retval, 7, libvirt_intWrap((int) info.threads));
return(py_retval);
}
PyObject *
libvirt_virDomainGetUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
unsigned char uuid[16];
virDomainPtr domain;
PyObject *pyobj_domain;
int c_retval;
if (!PyArg_ParseTuple(args, (char *)"O:virDomainGetUUID", &pyobj_domain))
return(NULL);
domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
if (domain == NULL) {
Py_INCREF(Py_None);
return(Py_None);
}
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virDomainGetUUID(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], 16);
return(py_retval);
}
PyObject *
libvirt_virDomainLookupByUUID(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
PyObject *py_retval;
virDomainPtr c_retval;
virConnectPtr conn;
PyObject *pyobj_conn;
unsigned char * uuid;
int len;
if (!PyArg_ParseTuple(args, (char *)"Oz#:virDomainLookupByUUID", &pyobj_conn, &uuid, &len))
return(NULL);
conn = (virConnectPtr) PyvirConnect_Get(pyobj_conn);
if ((uuid == NULL) || (len != 16)) {
Py_INCREF(Py_None);
return(Py_None);
}
LIBVIRT_BEGIN_ALLOW_THREADS;
c_retval = virDomainLookupByUUID(conn, uuid);
LIBVIRT_END_ALLOW_THREADS;
py_retval = libvirt_virDomainPtrWrap((virDomainPtr) c_retval);
return(py_retval);
}
/************************************************************************
* *
* The registration stuff *
* *
************************************************************************/
static PyMethodDef libvirtMethods[] = {
#include "libvirt-export.c"
{(char *) "virDomainFree", libvirt_virDomainFree, METH_VARARGS, NULL},
{(char *) "virConnectClose", libvirt_virConnectClose, METH_VARARGS, NULL},
{(char *) "virConnectListDomainsID", libvirt_virConnectListDomainsID, METH_VARARGS, NULL},
{(char *) "virDomainGetInfo", libvirt_virDomainGetInfo, METH_VARARGS, NULL},
{(char *) "virNodeGetInfo", libvirt_virNodeGetInfo, METH_VARARGS, NULL},
{(char *) "virDomainGetUUID", libvirt_virDomainGetUUID, METH_VARARGS, NULL},
{(char *) "virDomainLookupByUUID", libvirt_virDomainLookupByUUID, METH_VARARGS, NULL},
{(char *) "virRegisterErrorHandler", libvirt_virRegisterErrorHandler, METH_VARARGS, NULL},
{(char *) "virGetLastError", libvirt_virGetLastError, METH_VARARGS, NULL},
{(char *) "virConnGetLastError", libvirt_virConnGetLastError, METH_VARARGS, NULL},
{NULL, NULL, 0, NULL}
};
void
initlibvirtmod(void)
{
static int initialized = 0;
if (initialized != 0)
return;
virInitialize();
/* intialize the python extension module */
Py_InitModule((char *) "libvirtmod", libvirtMethods);
initialized = 1;
}
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