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/**
* @file etherinfo_obj.c
* @author David Sommerseth <davids@redhat.com>
* @date Fri Sep 4 18:41:28 2009
*
* @brief Python ethtool.etherinfo class functions.
*
*/
#include <Python.h>
#include "structmember.h"
#include "etherinfo_struct.h"
#include "etherinfo.h"
/**
* ethtool.etherinfo deallocator - cleans up when a object is deleted
*
* @param self etherinfo_py object structure
*/
void _ethtool_etherinfo_dealloc(etherinfo_py *self)
{
if( self->data ) {
if( self->data->ethinfo ) {
free_etherinfo(self->data->ethinfo);
}
free(self->data);
}
self->ob_type->tp_free((PyObject*)self);
}
/**
* ethtool.etherinfo function, creating a new etherinfo object
*
* @param type
* @param args
* @param kwds
*
* @return Returns in PyObject with the new object on success, otherwise NULL
*/
PyObject *_ethtool_etherinfo_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
etherinfo_py *self;
self = (etherinfo_py *)type->tp_alloc(type, 0);
return (PyObject *)self;
}
/**
* ethtool.etherinfo init (constructor) method. Makes sure the object is initialised correctly.
*
* @param self
* @param args
* @param kwds
*
* @return Returns 0 on success.
*/
int _ethtool_etherinfo_init(etherinfo_py *self, PyObject *args, PyObject *kwds)
{
static char *etherinfo_kwlist[] = {"etherinfo_ptr", NULL};
PyObject *ethinf_ptr = NULL;
if( !PyArg_ParseTupleAndKeywords(args, kwds, "O", etherinfo_kwlist, ðinf_ptr)) {
PyErr_SetString(PyExc_AttributeError, "Invalid data pointer to constructor");
return -1;
}
self->data = (struct etherinfo_obj_data *) PyCObject_AsVoidPtr(ethinf_ptr);
return 0;
}
/**
* NULL safe PyString_FromString() wrapper. If input string is NULL, None will be returned
*
* @param str Input C string (char *)
*
* @return Returns a PyObject with either the input string wrapped up, or a Python None value.
*/
#define RETURN_STRING(str) (str ? PyString_FromString(str) : Py_None);
/**
* ethtool.etherinfo function for retrieving data from a Python object.
*
* @param self
* @param attr_o contains the object member request (which element to return)
*
* @return Returns a PyObject with the value requested on success, otherwise NULL
*/
PyObject *_ethtool_etherinfo_getter(etherinfo_py *self, PyObject *attr_o)
{
PyObject *ret;
char *attr = PyString_AsString(attr_o);
if( !self || !self->data ) {
PyErr_SetString(PyExc_AttributeError, "No data available");
return NULL;
}
if( strcmp(attr, "device") == 0 ) {
ret = RETURN_STRING(self->data->ethinfo->device);
} else if( strcmp(attr, "mac_address") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_LINK);
ret = RETURN_STRING(self->data->ethinfo->hwaddress);
} else if( strcmp(attr, "ipv4_address") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_LINK);
ret = RETURN_STRING(self->data->ethinfo->ipv4_address);
} else if( strcmp(attr, "ipv4_netmask") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_ADDR);
ret = PyInt_FromLong(self->data->ethinfo->ipv4_netmask);
} else if( strcmp(attr, "ipv4_broadcast") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_ADDR);
ret = RETURN_STRING(self->data->ethinfo->ipv4_broadcast);
} else if( strcmp(attr, "ipv6_address") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_ADDR);
ret = RETURN_STRING(self->data->ethinfo->ipv6_address);
} else if( strcmp(attr, "ipv6_netmask") == 0 ) {
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_ADDR);
ret = PyInt_FromLong(self->data->ethinfo->ipv6_netmask);
} else {
ret = PyObject_GenericGetAttr((PyObject *)self, attr_o);
}
return ret;
}
/**
* ethtool.etherinfo function for setting a value to a object member. This feature is
* disabled by always returning -1, as the values are read-only by the user.
*
* @param self
* @param attr_o
* @param val_o
*
* @return Returns always -1 (failure).
*/
int _ethtool_etherinfo_setter(etherinfo_py *self, PyObject *attr_o, PyObject *val_o)
{
PyErr_SetString(PyExc_AttributeError, "etherinfo member values are read-only.");
return -1;
}
/**
* Creates a human readable format of the information when object is being treated as a string
*
* @param self
*
* @return Returns a PyObject with a string with all of the information
*/
PyObject *_ethtool_etherinfo_str(etherinfo_py *self)
{
PyObject *ret = NULL;
if( !self || !self->data || !self->data->nlc || !self->data->ethinfo ) {
PyErr_SetString(PyExc_AttributeError, "No data available");
return NULL;
}
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_LINK);
get_etherinfo(self->data->ethinfo, self->data->nlc, NLQRY_ADDR);
ret = PyString_FromFormat("Device %s:\n", self->data->ethinfo->device);
if( self->data->ethinfo->hwaddress ) {
PyObject *tmp = PyString_FromFormat("\tMAC address: %s\n", self->data->ethinfo->hwaddress);
PyString_Concat(&ret, tmp);
}
if( self->data->ethinfo->ipv4_address ) {
PyObject *tmp = PyString_FromFormat("\tIPv4 address: %s/%i",
self->data->ethinfo->ipv4_address,
self->data->ethinfo->ipv4_netmask);
if( self->data->ethinfo->ipv4_broadcast ) {
PyObject *tmp2 = PyString_FromFormat(" Broadcast: %s",
self->data->ethinfo->ipv4_broadcast);
PyString_Concat(&tmp, tmp2);
}
PyString_Concat(&tmp, PyString_FromString("\n"));
PyString_Concat(&ret, tmp);
}
if( self->data->ethinfo->ipv6_address ) {
PyObject *tmp = PyString_FromFormat("\tIPv6 address: %s/%i\n",
self->data->ethinfo->ipv6_address,
self->data->ethinfo->ipv6_netmask);
PyString_Concat(&ret, tmp);
}
return ret;
}
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