+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#define PY_SSIZE_T_CLEAN
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wredundant-decls"
-#include <Python.h>
-#pragma GCC diagnostic pop
-
-#include "systemd/sd-login.h"
-#include "pyutil.h"
-#include "util.h"
-#include "strv.h"
-
-PyDoc_STRVAR(module__doc__,
- "Python interface to the libsystemd-login library."
-);
-
-#define helper(name) \
-static PyObject* name(PyObject *self, PyObject *args) { \
- _cleanup_strv_free_ char **list = NULL; \
- int r; \
- PyObject *ans; \
- \
- assert(args == NULL); \
- \
- r = sd_get_##name(&list); \
- if (r < 0) { \
- errno = -r; \
- return PyErr_SetFromErrno(PyExc_IOError); \
- } \
- \
- ans = PyList_New(r); \
- if (!ans) \
- return NULL; \
- \
- for (r--; r >= 0; r--) { \
- PyObject *s = unicode_FromString(list[r]); \
- if (!s) { \
- Py_DECREF(ans); \
- return NULL; \
- } \
- \
- PyList_SetItem(ans, r, s); \
- } \
- \
- return ans; \
-}
-
-helper(seats)
-helper(sessions)
-helper(machine_names)
-#undef helper
-
-static PyObject* uids(PyObject *self, PyObject *args) {
- _cleanup_free_ uid_t *list = NULL;
- int r;
- PyObject *ans;
-
- assert(args == NULL);
-
- r = sd_get_uids(&list);
- if (r < 0) {
- errno = -r;
- return PyErr_SetFromErrno(PyExc_IOError);
- }
-
- ans = PyList_New(r);
- if (!ans)
- return NULL;
-
- for (r--; r >= 0; r--) {
- PyObject *s = long_FromLong(list[r]);
- if (!s) {
- Py_DECREF(ans);
- return NULL;
- }
-
- PyList_SetItem(ans, r, s);
- }
-
- return ans;
-}
-
-PyDoc_STRVAR(seats__doc__,
- "seats() -> list\n\n"
- "Returns a list of currently available local seats.\n"
- "Wraps sd_get_seats(3)."
-);
-
-PyDoc_STRVAR(sessions__doc__,
- "sessions() -> list\n\n"
- "Returns a list of current login sessions.\n"
- "Wraps sd_get_sessions(3)."
-);
-
-PyDoc_STRVAR(machine_names__doc__,
- "machine_names() -> list\n\n"
- "Returns a list of currently running virtual machines\n"
- "and containers on the system.\n"
- "Wraps sd_get_machine_names(3)."
-);
-
-PyDoc_STRVAR(uids__doc__,
- "uids() -> list\n\n"
- "Returns a list of uids of users who currently have login sessions.\n"
- "Wraps sd_get_uids(3)."
-);
-
-static PyMethodDef methods[] = {
- { "seats", seats, METH_NOARGS, seats__doc__},
- { "sessions", sessions, METH_NOARGS, sessions__doc__},
- { "machine_names", machine_names, METH_NOARGS, machine_names__doc__},
- { "uids", uids, METH_NOARGS, uids__doc__},
- {} /* Sentinel */
-};
-
-
-typedef struct {
- PyObject_HEAD
- sd_login_monitor *monitor;
-} Monitor;
-static PyTypeObject MonitorType;
-
-static void Monitor_dealloc(Monitor* self) {
- sd_login_monitor_unref(self->monitor);
- Py_TYPE(self)->tp_free((PyObject*)self);
-}
-
-PyDoc_STRVAR(Monitor__doc__,
- "Monitor([category]) -> ...\n\n"
- "Monitor may be used to monitor login sessions, users, seats,\n"
- "and virtual machines/containers. Monitor provides a file\n"
- "descriptor which can be integrated in an external event loop.\n"
- "See man:sd_login_monitor_new(3) for the details about what\n"
- "can be monitored.");
-static int Monitor_init(Monitor *self, PyObject *args, PyObject *keywds) {
- const char *category = NULL;
- int r;
-
- static const char* const kwlist[] = {"category", NULL};
- if (!PyArg_ParseTupleAndKeywords(args, keywds, "|z:__init__", (char**) kwlist,
- &category))
- return -1;
-
- Py_BEGIN_ALLOW_THREADS
- r = sd_login_monitor_new(category, &self->monitor);
- Py_END_ALLOW_THREADS
-
- return set_error(r, NULL, "Invalid category");
-}
-
-
-PyDoc_STRVAR(Monitor_fileno__doc__,
- "fileno() -> int\n\n"
- "Get a file descriptor to poll for events.\n"
- "This method wraps sd_login_monitor_get_fd(3).");
-static PyObject* Monitor_fileno(Monitor *self, PyObject *args) {
- int fd = sd_login_monitor_get_fd(self->monitor);
- set_error(fd, NULL, NULL);
- if (fd < 0)
- return NULL;
- return long_FromLong(fd);
-}
-
-
-PyDoc_STRVAR(Monitor_get_events__doc__,
- "get_events() -> int\n\n"
- "Returns a mask of poll() events to wait for on the file\n"
- "descriptor returned by .fileno().\n\n"
- "See man:sd_login_monitor_get_events(3) for further discussion.");
-static PyObject* Monitor_get_events(Monitor *self, PyObject *args) {
- int r = sd_login_monitor_get_events(self->monitor);
- set_error(r, NULL, NULL);
- if (r < 0)
- return NULL;
- return long_FromLong(r);
-}
-
-
-PyDoc_STRVAR(Monitor_get_timeout__doc__,
- "get_timeout() -> int or None\n\n"
- "Returns a timeout value for usage in poll(), the time since the\n"
- "epoch of clock_gettime(2) in microseconds, or None if no timeout\n"
- "is necessary.\n\n"
- "The return value must be converted to a relative timeout in\n"
- "milliseconds if it is to be used as an argument for poll().\n"
- "See man:sd_login_monitor_get_timeout(3) for further discussion.");
-static PyObject* Monitor_get_timeout(Monitor *self, PyObject *args) {
- int r;
- uint64_t t;
-
- r = sd_login_monitor_get_timeout(self->monitor, &t);
- set_error(r, NULL, NULL);
- if (r < 0)
- return NULL;
-
- if (t == (uint64_t) -1)
- Py_RETURN_NONE;
-
- assert_cc(sizeof(unsigned long long) == sizeof(t));
- return PyLong_FromUnsignedLongLong(t);
-}
-
-
-PyDoc_STRVAR(Monitor_get_timeout_ms__doc__,
- "get_timeout_ms() -> int\n\n"
- "Returns a timeout value suitable for usage in poll(), the value\n"
- "returned by .get_timeout() converted to relative ms, or -1 if\n"
- "no timeout is necessary.");
-static PyObject* Monitor_get_timeout_ms(Monitor *self, PyObject *args) {
- int r;
- uint64_t t;
-
- r = sd_login_monitor_get_timeout(self->monitor, &t);
- set_error(r, NULL, NULL);
- if (r < 0)
- return NULL;
-
- return absolute_timeout(t);
-}
-
-
-PyDoc_STRVAR(Monitor_close__doc__,
- "close() -> None\n\n"
- "Free resources allocated by this Monitor object.\n"
- "This method invokes sd_login_monitor_unref().\n"
- "See man:sd_login_monitor_unref(3).");
-static PyObject* Monitor_close(Monitor *self, PyObject *args) {
- assert(self);
- assert(!args);
-
- sd_login_monitor_unref(self->monitor);
- self->monitor = NULL;
- Py_RETURN_NONE;
-}
-
-
-PyDoc_STRVAR(Monitor_flush__doc__,
- "flush() -> None\n\n"
- "Reset the wakeup state of the monitor object.\n"
- "This method invokes sd_login_monitor_flush().\n"
- "See man:sd_login_monitor_flush(3).");
-static PyObject* Monitor_flush(Monitor *self, PyObject *args) {
- assert(self);
- assert(!args);
-
- Py_BEGIN_ALLOW_THREADS
- sd_login_monitor_flush(self->monitor);
- Py_END_ALLOW_THREADS
- Py_RETURN_NONE;
-}
-
-
-PyDoc_STRVAR(Monitor___enter____doc__,
- "__enter__() -> self\n\n"
- "Part of the context manager protocol.\n"
- "Returns self.\n");
-static PyObject* Monitor___enter__(PyObject *self, PyObject *args) {
- assert(self);
- assert(!args);
-
- Py_INCREF(self);
- return self;
-}
-
-
-PyDoc_STRVAR(Monitor___exit____doc__,
- "__exit__(type, value, traceback) -> None\n\n"
- "Part of the context manager protocol.\n"
- "Closes the monitor..\n");
-static PyObject* Monitor___exit__(Monitor *self, PyObject *args) {
- return Monitor_close(self, args);
-}
-
-
-static PyMethodDef Monitor_methods[] = {
- {"fileno", (PyCFunction) Monitor_fileno, METH_NOARGS, Monitor_fileno__doc__},
- {"get_events", (PyCFunction) Monitor_get_events, METH_NOARGS, Monitor_get_events__doc__},
- {"get_timeout", (PyCFunction) Monitor_get_timeout, METH_NOARGS, Monitor_get_timeout__doc__},
- {"get_timeout_ms", (PyCFunction) Monitor_get_timeout_ms, METH_NOARGS, Monitor_get_timeout_ms__doc__},
- {"close", (PyCFunction) Monitor_close, METH_NOARGS, Monitor_close__doc__},
- {"flush", (PyCFunction) Monitor_flush, METH_NOARGS, Monitor_flush__doc__},
- {"__enter__", (PyCFunction) Monitor___enter__, METH_NOARGS, Monitor___enter____doc__},
- {"__exit__", (PyCFunction) Monitor___exit__, METH_VARARGS, Monitor___exit____doc__},
- {} /* Sentinel */
-};
-
-static PyTypeObject MonitorType = {
- PyVarObject_HEAD_INIT(NULL, 0)
- .tp_name = "login.Monitor",
- .tp_basicsize = sizeof(Monitor),
- .tp_dealloc = (destructor) Monitor_dealloc,
- .tp_flags = Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
- .tp_doc = Monitor__doc__,
- .tp_methods = Monitor_methods,
- .tp_init = (initproc) Monitor_init,
- .tp_new = PyType_GenericNew,
-};
-
-#if PY_MAJOR_VERSION < 3
-
-DISABLE_WARNING_MISSING_PROTOTYPES;
-PyMODINIT_FUNC initlogin(void) {
- PyObject *m;
-
- if (PyType_Ready(&MonitorType) < 0)
- return;
-
- m = Py_InitModule3("login", methods, module__doc__);
- if (m == NULL)
- return;
-
- PyModule_AddStringConstant(m, "__version__", PACKAGE_VERSION);
-
- Py_INCREF(&MonitorType);
- PyModule_AddObject(m, "Monitor", (PyObject *) &MonitorType);
-}
-REENABLE_WARNING;
-
-#else
-
-static struct PyModuleDef module = {
- PyModuleDef_HEAD_INIT,
- "login", /* name of module */
- module__doc__, /* module documentation, may be NULL */
- -1, /* size of per-interpreter state of the module */
- methods
-};
-
-DISABLE_WARNING_MISSING_PROTOTYPES;
-PyMODINIT_FUNC PyInit_login(void) {
- PyObject *m;
-
- if (PyType_Ready(&MonitorType) < 0)
- return NULL;
-
- m = PyModule_Create(&module);
- if (m == NULL)
- return NULL;
-
- if (PyModule_AddStringConstant(m, "__version__", PACKAGE_VERSION)) {
- Py_DECREF(m);
- return NULL;
- }
-
- Py_INCREF(&MonitorType);
- if (PyModule_AddObject(m, "Monitor", (PyObject *) &MonitorType)) {
- Py_DECREF(&MonitorType);
- Py_DECREF(m);
- return NULL;
- }
-
- return m;
-}
-REENABLE_WARNING;
-
-#endif
~ianmdlvl / elogind.git / blobdiff