libvirt-lxc-override.c

   1 /*
   2  * libvir.c: this modules implements the main part of the glue of the
   3  *           libvir library and the Python interpreter. It provides the
   4  *           entry points where an automatically generated stub is
   5  *           unpractical
   6  *
   7  * Copyright (C) 2012-2019 Red Hat, Inc.
   8  *
   9  * Daniel Veillard <veillard@redhat.com>
  10  */
  11
  12 /* Horrible kludge to work around even more horrible name-space pollution
  13    via Python.h.  That file includes /usr/include/python3.x/pyconfig*.h,
  14    which has over 180 autoconf-style HAVE_* definitions.  Shame on them.  */
  15 #undef HAVE_PTHREAD_H
  16
  17 #include <Python.h>
  18 #include <libvirt/libvirt-lxc.h>
  19 #include <libvirt/virterror.h>
  20 #include "typewrappers.h"
  21 #include "libvirt-utils.h"
  22 #include "libvirt-lxc.h"
  23
  24 #if 0
  25 # define DEBUG_ERROR 1
  26 #endif
  27
  28 #if DEBUG_ERROR
  29 # define DEBUG(fmt, ...)            \
  30     printf(fmt, __VA_ARGS__)
  31 #else
  32 # define DEBUG(fmt, ...)            \
  33     while (0) {printf(fmt, __VA_ARGS__);}
  34 #endif
  35
  36 /************************************************************************
  37  *                                                                      *
  38  *              Statistics                                              *
  39  *                                                                      *
  40  ************************************************************************/
  41
  42 static PyObject *
  43 libvirt_lxc_virDomainLxcOpenNamespace(PyObject *self ATTRIBUTE_UNUSED,
  44                                       PyObject *args)
  45 {
  46     PyObject *py_retval;
  47     virDomainPtr domain;
  48     PyObject *pyobj_domain;
  49     unsigned int flags;
  50     int c_retval;
  51     int *fdlist = NULL;
  52     ssize_t i;
  53
  54     if (!PyArg_ParseTuple(args, (char *)"OI:virDomainLxcOpenNamespace",
  55                           &pyobj_domain, &flags))
  56         return NULL;
  57     domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
  58
  59     if (domain == NULL)
  60         return VIR_PY_NONE;
  61     LIBVIRT_BEGIN_ALLOW_THREADS;
  62     c_retval = virDomainLxcOpenNamespace(domain, &fdlist, flags);
  63     LIBVIRT_END_ALLOW_THREADS;
  64
  65     if (c_retval < 0)
  66         return VIR_PY_NONE;
  67
  68     if ((py_retval = PyList_New(0)) == NULL)
  69         goto error;
  70
  71     for (i = 0; i < c_retval; i++)
  72         VIR_PY_LIST_APPEND_GOTO(py_retval, libvirt_intWrap(fdlist[i]), error);
  73
  74  cleanup:
  75     VIR_FREE(fdlist);
  76     return py_retval;
  77
  78  error:
  79     for (i = 0; i < c_retval; i++) {
  80         VIR_FORCE_CLOSE(fdlist[i]);
  81     }
  82     Py_CLEAR(py_retval);
  83     goto cleanup;
  84 }
  85 /************************************************************************
  86  *                                                                      *
  87  *                      The registration stuff                          *
  88  *                                                                      *
  89  ************************************************************************/
  90 static PyMethodDef libvirtLxcMethods[] = {
  91 #include "libvirt-lxc-export.c.inc"
  92     {(char *) "virDomainLxcOpenNamespace", libvirt_lxc_virDomainLxcOpenNamespace, METH_VARARGS, NULL},
  93     {NULL, NULL, 0, NULL}
  94 };
  95
  96 static struct PyModuleDef moduledef = {
  97     PyModuleDef_HEAD_INIT,
  98 #ifndef __CYGWIN__
  99     "libvirtmod_lxc",
 100 #else
 101     "cygvirtmod_lxc",
 102 #endif
 103     NULL,
 104     -1,
 105     libvirtLxcMethods,
 106     NULL,
 107     NULL,
 108     NULL,
 109     NULL
 110 };
 111
 112 PyMODINIT_FUNC
 113 #ifndef __CYGWIN__
 114 PyInit_libvirtmod_lxc
 115 #else
 116 PyInit_cygvirtmod_lxc
 117 #endif
 118 (void)
 119 {
 120     PyObject *module;
 121
 122     if (virInitialize() < 0)
 123         return NULL;
 124
 125     module = PyModule_Create(&moduledef);
 126
 127     return module;
 128 }