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,0};
  17         char *vde_sock = NULL, *vde_descr = NULL;
  18         VDECONN *ret;
  19         int e;
  20
  21         if (!PyArg_ParseTuple(args, "ss|isi", &vde_sock, &vde_descr, &vde_args.port, &vde_args.group, &vde_args.mode))
  22                 goto failure;
  23
  24         ret = vde_open_real(vde_sock, vde_descr, 1, &vde_args);
  25         e = errno;
  26         if (!ret)
  27                 goto failure;
  28         else
  29                 return PyLong_FromUnsignedLong((unsigned long) ret);
  30
  31
  32 failure:
  33         return PyErr_SetFromErrno(PyExc_RuntimeError);
  34 }
  35
  36 static PyObject *vdeplug_ctlfd(PyObject *self, PyObject *args)
  37 {
  38         VDECONN *conn;
  39         unsigned long vde_magic = 0;
  40
  41         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  42                 goto failure;
  43         conn = (VDECONN *) vde_magic;
  44
  45         if (!conn)
  46                 goto failure;
  47
  48         return Py_BuildValue("i", vde_ctlfd(conn));
  49
  50 failure:
  51         return PyErr_SetFromErrno(PyExc_RuntimeError);
  52 }
  53
  54 static PyObject *vdeplug_datafd(PyObject *self, PyObject *args)
  55 {
  56         VDECONN *conn;
  57         unsigned long vde_magic = 0;
  58
  59         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  60                 goto failure;
  61         conn = (VDECONN *) vde_magic;
  62
  63         if (!conn)
  64                 goto failure;
  65
  66         return Py_BuildValue("i", vde_datafd(conn));
  67
  68 failure:
  69         return PyErr_SetFromErrno(PyExc_RuntimeError);
  70 }
  71
  72 static PyObject *vdeplug_close(PyObject *self, PyObject *args)
  73 {
  74         VDECONN *conn;
  75         unsigned long vde_magic = 0;
  76
  77         if (!PyArg_ParseTuple(args, "k", &vde_magic))
  78                 goto failure;
  79         conn = (VDECONN *) vde_magic;
  80
  81         if (!conn)
  82                 goto failure;
  83
  84         return Py_BuildValue("i", vde_close(conn));
  85
  86 failure:
  87         return PyErr_SetFromErrno(PyExc_RuntimeError);
  88 }
  89
  90
  91
  92 static PyMethodDef vdeplug_methods[] = {
  93     {"open",  vdeplug_open, METH_VARARGS},
  94     {"ctlfd",  vdeplug_ctlfd, METH_VARARGS},
  95     {"datafd",  vdeplug_datafd, METH_VARARGS},
  96     {"close",  vdeplug_close, METH_VARARGS},
  97     {NULL,      NULL}        /* Sentinel */
  98 };
  99
 100 void initvdeplug_python(void)
 101 {
 102         (void) Py_InitModule("vdeplug_python", vdeplug_methods);
 103 //      PyErr_SetString(PyExc_RuntimeError,"vdeplug error");
 104 }