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/*
* Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include <Python.h>
#include <utmp.h>
#include <string.h>
#include "../../_psutil_common.h"
PyObject *
psutil_users(PyObject *self, PyObject *args) {
struct utmp *ut;
PyObject *py_retlist = PyList_New(0);
PyObject *py_tuple = NULL;
PyObject *py_username = NULL;
PyObject *py_tty = NULL;
PyObject *py_hostname = NULL;
if (py_retlist == NULL)
return NULL;
setutent();
while (NULL != (ut = getutent())) {
if (ut->ut_type != USER_PROCESS)
continue;
py_tuple = NULL;
py_username = PyUnicode_DecodeFSDefault(ut->ut_user);
if (! py_username)
goto error;
py_tty = PyUnicode_DecodeFSDefault(ut->ut_line);
if (! py_tty)
goto error;
if (strcmp(ut->ut_host, ":0") == 0 || strcmp(ut->ut_host, ":0.0") == 0)
py_hostname = PyUnicode_DecodeFSDefault("localhost");
else
py_hostname = PyUnicode_DecodeFSDefault(ut->ut_host);
if (! py_hostname)
goto error;
py_tuple = Py_BuildValue(
"OOOd" _Py_PARSE_PID,
py_username, // username
py_tty, // tty
py_hostname, // hostname
(double)ut->ut_tv.tv_sec, // tstamp
ut->ut_pid // process id
);
if (! py_tuple)
goto error;
if (PyList_Append(py_retlist, py_tuple))
goto error;
Py_CLEAR(py_username);
Py_CLEAR(py_tty);
Py_CLEAR(py_hostname);
Py_CLEAR(py_tuple);
}
endutent();
return py_retlist;
error:
Py_XDECREF(py_username);
Py_XDECREF(py_tty);
Py_XDECREF(py_hostname);
Py_XDECREF(py_tuple);
Py_DECREF(py_retlist);
endutent();
return NULL;
}
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