vde-2/src/lib/python/vdeplug_python.c

   1 /*
   2  * LibVdePlug/python wrapper
   3  * Copyright © 2010 Daniele Lacamera
   4  *
   5  * Released under the terms of GNU LGPL v. 2.1
   6  * (see COPYING.libvdeplug in the main project directory)
   7  *
   8  */
   9 #include "Python.h"
  10 #include <stdio.h>
  11 #include "libvdeplug.h"
  12
  13
  14 static PyObject *vdeplug_open(PyObject *self, PyObject *args)
  15 {
  16         struct vde_open_args vde_args = {0,NULL,0777};
  17         char *vde_sock = NULL, *vde_descr = NULL;
  18         VDECONN *ret;
  19
  20         if (!PyArg_ParseTuple(args, "ss|isi", &vde_sock, &vde_descr, &vde_args.port, &vde_args.group, &vde_args.mode))
  21                 goto failure;
  22
  23         ret = vde_open_real(vde_sock, vde_descr, 1, &vde_args);
  24         if (!ret)
  25                 goto failure;
  26         else
  27                 return PyLong_FromUnsignedLong((unsigned long) ret);
  28
  29
  30 failure:
  31         return PyErr_SetFromErrno(PyExc_RuntimeError);
  32 }
  33
  34 static PyObject *vdeplug_ctlfd(PyObject *self, PyObject *args)
  35 {
  36         VDECONN *conn;
  37         unsigned long vde_magic = 0;
  38
  39         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  40                 goto failure;
  41         conn = (VDECONN *) vde_magic;
  42
  43         if (!conn)
  44                 goto failure;
  45
  46         return Py_BuildValue("i", vde_ctlfd(conn));
  47
  48 failure:
  49         return PyErr_SetFromErrno(PyExc_RuntimeError);
  50 }
  51
  52 static PyObject *vdeplug_datafd(PyObject *self, PyObject *args)
  53 {
  54         VDECONN *conn;
  55         unsigned long vde_magic = 0;
  56
  57         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  58                 goto failure;
  59         conn = (VDECONN *) vde_magic;
  60
  61         if (!conn)
  62                 goto failure;
  63
  64         return Py_BuildValue("i", vde_datafd(conn));
  65
  66 failure:
  67         return PyErr_SetFromErrno(PyExc_RuntimeError);
  68 }
  69
  70 static PyObject *vdeplug_close(PyObject *self, PyObject *args)
  71 {
  72         VDECONN *conn;
  73         unsigned long vde_magic = 0;
  74
  75         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  76                 goto failure;
  77         conn = (VDECONN *) vde_magic;
  78
  79         if (!conn)
  80                 goto failure;
  81
  82         return Py_BuildValue("i", vde_close(conn));
  83
  84 failure:
  85         return PyErr_SetFromErrno(PyExc_RuntimeError);
  86 }
  87
  88
  89
  90 static PyMethodDef vdeplug_methods[] = {
  91     {"open",  vdeplug_open, METH_VARARGS},
  92     {"ctlfd",  vdeplug_ctlfd, METH_VARARGS},
  93     {"datafd",  vdeplug_datafd, METH_VARARGS},
  94     {"close",  vdeplug_close, METH_VARARGS},
  95     {NULL,      NULL}        /* Sentinel */
  96 };
  97
  98 void initvdeplug_python(void)
  99 {
 100         (void) Py_InitModule("vdeplug_python", vdeplug_methods);
 101 //      PyErr_SetString(PyExc_RuntimeError,"vdeplug error");
 102 }