summaryrefslogtreecommitdiff
path: root/src/python-systemd/login.c
diff options
context:
space:
mode:
authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-05-09 18:10:30 -0400
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-05-09 18:13:33 -0400
commit7ecec4705c0cacb1446af0eb7a4aee66c00d058f (patch)
tree9761c582b900067bca3e69c6f22f18e77fa70385 /src/python-systemd/login.c
parentb3af9646f8ac23e73fe1d7af3b69e35b1547b13e (diff)
systemd-python: wrap sd_login_monitor
Diffstat (limited to 'src/python-systemd/login.c')
-rw-r--r--src/python-systemd/login.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/src/python-systemd/login.c b/src/python-systemd/login.c
index 1dbe5ac5bf..57dc080215 100644
--- a/src/python-systemd/login.c
+++ b/src/python-systemd/login.c
@@ -133,6 +133,198 @@ static PyMethodDef methods[] = {
{} /* 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", (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);
+
+ sd_login_monitor_flush(self->monitor);
+ 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,
+};
+
+
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wmissing-prototypes"
@@ -141,10 +333,17 @@ static PyMethodDef methods[] = {
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);
}
#else
@@ -159,6 +358,9 @@ static struct PyModuleDef module = {
PyMODINIT_FUNC PyInit_login(void) {
PyObject *m;
+ if (PyType_Ready(&MonitorType) < 0)
+ return NULL;
+
m = PyModule_Create(&module);
if (m == NULL)
return NULL;
@@ -168,6 +370,13 @@ PyMODINIT_FUNC PyInit_login(void) {
return NULL;
}
+ Py_INCREF(&MonitorType);
+ if (PyModule_AddObject(m, "Monitor", (PyObject *) &MonitorType)) {
+ Py_DECREF(&MonitorType);
+ Py_DECREF(m);
+ return NULL;
+ }
+
return m;
}