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