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) 2012-2013 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/python2.5/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 "build/libvirt-lxc.h"
  23
  24 #if PY_MAJOR_VERSION > 2
  25 # ifndef __CYGWIN__
  26 extern PyObject *PyInit_libvirtmod_lxc(void);
  27 # else
  28 extern PyObject *PyInit_cygvirtmod_lxc(void);
  29 # endif
  30 #else
  31 # ifndef __CYGWIN__
  32 extern void initlibvirtmod_lxc(void);
  33 # else
  34 extern void initcygvirtmod_lxc(void);
  35 # endif
  36 #endif
  37
  38 #if 0
  39 # define DEBUG_ERROR 1
  40 #endif
  41
  42 #if DEBUG_ERROR
  43 # define DEBUG(fmt, ...)            \
  44     printf(fmt, __VA_ARGS__)
  45 #else
  46 # define DEBUG(fmt, ...)            \
  47     do {} while (0)
  48 #endif
  49
  50 /************************************************************************
  51  *                                                                      *
  52  *              Statistics                                              *
  53  *                                                                      *
  54  ************************************************************************/
  55
  56 static PyObject *
  57 libvirt_lxc_virDomainLxcOpenNamespace(PyObject *self ATTRIBUTE_UNUSED,
  58                                       PyObject *args)
  59 {
  60     PyObject *py_retval;
  61     virDomainPtr domain;
  62     PyObject *pyobj_domain;
  63     unsigned int flags;
  64     int c_retval;
  65     int *fdlist = NULL;
  66     ssize_t i;
  67
  68     if (!PyArg_ParseTuple(args, (char *)"OI:virDomainLxcOpenNamespace",
  69                           &pyobj_domain, &flags))
  70         return NULL;
  71     domain = (virDomainPtr) PyvirDomain_Get(pyobj_domain);
  72
  73     if (domain == NULL)
  74         return VIR_PY_NONE;
  75     LIBVIRT_BEGIN_ALLOW_THREADS;
  76     c_retval = virDomainLxcOpenNamespace(domain, &fdlist, flags);
  77     LIBVIRT_END_ALLOW_THREADS;
  78
  79     if (c_retval < 0)
  80         return VIR_PY_NONE;
  81
  82     if ((py_retval = PyList_New(0)) == NULL)
  83         goto error;
  84
  85     for (i = 0; i < c_retval; i++)
  86         VIR_PY_LIST_APPEND_GOTO(py_retval, libvirt_intWrap(fdlist[i]), error);
  87
  88  cleanup:
  89     VIR_FREE(fdlist);
  90     return py_retval;
  91
  92  error:
  93     for (i = 0; i < c_retval; i++) {
  94         VIR_FORCE_CLOSE(fdlist[i]);
  95     }
  96     Py_CLEAR(py_retval);
  97     goto cleanup;
  98 }
  99 /************************************************************************
 100  *                                                                      *
 101  *                      The registration stuff                          *
 102  *                                                                      *
 103  ************************************************************************/
 104 static PyMethodDef libvirtLxcMethods[] = {
 105 #include "build/libvirt-lxc-export.c"
 106     {(char *) "virDomainLxcOpenNamespace", libvirt_lxc_virDomainLxcOpenNamespace, METH_VARARGS, NULL},
 107     {NULL, NULL, 0, NULL}
 108 };
 109
 110 #if PY_MAJOR_VERSION > 2
 111 static struct PyModuleDef moduledef = {
 112     PyModuleDef_HEAD_INIT,
 113 # ifndef __CYGWIN__
 114     "libvirtmod_lxc",
 115 # else
 116     "cygvirtmod_lxc",
 117 # endif
 118     NULL,
 119     -1,
 120     libvirtLxcMethods,
 121     NULL,
 122     NULL,
 123     NULL,
 124     NULL
 125 };
 126
 127 PyObject *
 128 # ifndef __CYGWIN__
 129 PyInit_libvirtmod_lxc
 130 # else
 131 PyInit_cygvirtmod_lxc
 132 # endif
 133 (void)
 134 {
 135     PyObject *module;
 136
 137     if (virInitialize() < 0)
 138         return NULL;
 139
 140     module = PyModule_Create(&moduledef);
 141
 142     return module;
 143 }
 144 #else /* ! PY_MAJOR_VERSION > 2 */
 145 void
 146 # ifndef __CYGWIN__
 147 initlibvirtmod_lxc
 148 # else
 149 initcygvirtmod_lxc
 150 # endif
 151 (void)
 152 {
 153     if (virInitialize() < 0)
 154         return;
 155
 156     /* initialize the python extension module */
 157     Py_InitModule((char *)
 158 # ifndef __CYGWIN__
 159                   "libvirtmod_lxc",
 160 # else
 161                   "cygvirtmod_lxc",
 162 # endif
 163                   libvirtLxcMethods);
 164 }
 165 #endif /* ! PY_MAJOR_VERSION > 2 */