return 0;
}
+static int cpy_notification_callback(const notification_t *notification, user_data_t *data) {
+ cpy_callback_t *c = data->data;
+ PyObject *ret, *n;
+
+ CPY_LOCK_THREADS
+ n = PyObject_CallFunction((PyObject *) &NotificationType, "ssssssdi", notification->type, notification->message,
+ notification->plugin_instance, notification->type_instance, notification->plugin,
+ notification->host, (double) notification->time, notification->severity);
+ ret = PyObject_CallFunctionObjArgs(c->callback, n, c->data, (void *) 0); /* New reference. */
+ if (ret == NULL) {
+ cpy_log_exception("notification callback");
+ } else {
+ Py_DECREF(ret);
+ }
+ CPY_RELEASE_THREADS
+ return 0;
+}
+
static void cpy_log_callback(int severity, const char *message, user_data_t *data) {
cpy_callback_t * c = data->data;
PyObject *ret;
return cpy_register_generic_userdata(plugin_register_write, cpy_write_callback, args, kwds, 0);
}
+static PyObject *cpy_register_notification(PyObject *self, PyObject *args, PyObject *kwds) {
+ return cpy_register_generic_userdata(plugin_register_notification, cpy_notification_callback, args, kwds, 0);
+}
+
static PyObject *cpy_register_flush(PyObject *self, PyObject *args, PyObject *kwds) {
return cpy_register_generic_userdata(plugin_register_flush, cpy_flush_callback, args, kwds, 1);
}
return cpy_unregister_generic_userdata(plugin_unregister_write, arg, "write", 0);
}
+static PyObject *cpy_unregister_notification(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_notification, arg, "notification", 0);
+}
+
static PyObject *cpy_unregister_flush(PyObject *self, PyObject *arg) {
return cpy_unregister_generic_userdata(plugin_unregister_flush, arg, "flush", 1);
}
{"register_config", (PyCFunction) cpy_register_config, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
{"register_read", (PyCFunction) cpy_register_read, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
{"register_write", (PyCFunction) cpy_register_write, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
+ {"register_notification", (PyCFunction) cpy_register_notification, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
{"register_flush", (PyCFunction) cpy_register_flush, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
{"register_shutdown", (PyCFunction) cpy_register_shutdown, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
{"unregister_log", cpy_unregister_log, METH_O, "This is an unhelpful text."},
{"unregister_config", cpy_unregister_config, METH_O, "This is an unhelpful text."},
{"unregister_read", cpy_unregister_read, METH_O, "This is an unhelpful text."},
{"unregister_write", cpy_unregister_write, METH_O, "This is an unhelpful text."},
+ {"unregister_notification", cpy_unregister_notification, METH_O, "This is an unhelpful text."},
{"unregister_flush", cpy_unregister_flush, METH_O, "This is an unhelpful text."},
{"unregister_shutdown", cpy_unregister_shutdown, METH_O, "This is an unhelpful text."},
{0, 0, 0, 0}
PyType_Ready(&PluginDataType);
ValuesType.tp_base = &PluginDataType;
PyType_Ready(&ValuesType);
+ NotificationType.tp_base = &PluginDataType;
+ PyType_Ready(&NotificationType);
sys = PyImport_ImportModule("sys"); /* New reference. */
if (sys == NULL) {
cpy_log_exception("python initialization");
module = Py_InitModule("collectd", cpy_methods); /* Borrowed reference. */
PyModule_AddObject(module, "Config", (PyObject *) &ConfigType); /* Steals a reference. */
PyModule_AddObject(module, "Values", (PyObject *) &ValuesType); /* Steals a reference. */
+ PyModule_AddObject(module, "Notification", (PyObject *) &NotificationType); /* Steals a reference. */
PyModule_AddIntConstant(module, "LOG_DEBUG", LOG_DEBUG);
PyModule_AddIntConstant(module, "LOG_INFO", LOG_INFO);
PyModule_AddIntConstant(module, "LOG_NOTICE", LOG_NOTICE);
PyModule_AddIntConstant(module, "LOG_WARNING", LOG_WARNING);
PyModule_AddIntConstant(module, "LOG_ERROR", LOG_ERR);
+ PyModule_AddIntConstant(module, "NOTIF_FAILURE", NOTIF_FAILURE);
+ PyModule_AddIntConstant(module, "NOTIF_WARNING", NOTIF_WARNING);
+ PyModule_AddIntConstant(module, "NOTIF_OKAY", NOTIF_OKAY);
for (i = 0; i < ci->children_num; ++i) {
oconfig_item_t *item = ci->children + i;
static char PluginData_doc[] = "This is an internal class that is the base for Values\n"
"and Notification. It is pretty useless by itself and was therefore not\n"
- "not exported to the collectd module.";
+ "exported to the collectd module.";
static PyObject *PluginData_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
PluginData *self;
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE /*| Py_TPFLAGS_HAVE_GC*/, /*tp_flags*/
- PluginData_doc , /* tp_doc */
+ PluginData_doc, /* tp_doc */
0, /* tp_traverse */
0, /* tp_clear */
0, /* tp_richcompare */
static char dispatch_doc[] = "dispatch([type][, values][, plugin_instance][, type_instance]"
"[, plugin][, host][, time][, interval]) -> None. Dispatch a value list.\n"
"\n"
- "Dispatch this instance to the collectd process. A values object a members\n"
+ "Dispatch this instance to the collectd process. The object has members\n"
"for each of the possible arguments for this method. For a detailed explanation\n"
"of these parameters see the member of the same same.\n"
"\n"
0, /* tp_alloc */
Values_new /* tp_new */
};
+
+static char severity_doc[] = "The severity of this notification. Assign or compare to\n"
+ "NOTIF_FAILURE, NOTIF_WARNING or NOTIF_OKAY.";
+
+static char message_doc[] = "Some kind of description what's going on and why this Notification was generated.";
+
+static char Notification_doc[] = "The Notification class is a wrapper around the collectd notification.\n"
+ "It can be used to notify other plugins about bad stuff happening. It works\n"
+ "similar to Values but has a severity and a message instead of interval\n"
+ "and time.\n"
+ "Notifications can be dispatched at any time and can be received with register_notification.";
+
+static int Notification_init(PyObject *s, PyObject *args, PyObject *kwds) {
+ Notification *self = (Notification *) s;
+ PyObject *tmp;
+ int severity = 0, ret;
+ double time = 0;
+ const char *message = "";
+ const char *type = "", *plugin_instance = "", *type_instance = "", *plugin = "", *host = "";
+ static char *kwlist[] = {"type", "message", "plugin_instance", "type_instance",
+ "plugin", "host", "time", "severity", NULL};
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ssssssdi", kwlist,
+ &type, &message, &plugin_instance, &type_instance,
+ &plugin, &host, &time, &severity))
+ return -1;
+
+ tmp = Py_BuildValue("sssssd", type, plugin_instance, type_instance, plugin, host, time);
+ if (tmp == NULL)
+ return -1;
+ ret = PluginDataType.tp_init(s, tmp, NULL);
+ Py_DECREF(tmp);
+ if (ret != 0)
+ return -1;
+
+ sstrncpy(self->message, message, sizeof(self->message));
+ self->severity = severity;
+ return 0;
+}
+
+static PyObject *Notification_dispatch(Notification *self, PyObject *args, PyObject *kwds) {
+ int ret;
+ const data_set_t *ds;
+ notification_t notification;
+ double t = self->data.time;
+ int severity = self->severity;
+ const char *host = self->data.host;
+ const char *plugin = self->data.plugin;
+ const char *plugin_instance = self->data.plugin_instance;
+ const char *type = self->data.type;
+ const char *type_instance = self->data.type_instance;
+ const char *message = self->message;
+
+ static char *kwlist[] = {"type", "message", "plugin_instance", "type_instance",
+ "plugin", "host", "time", "severity", NULL};
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|ssssssdi", kwlist,
+ &type, &message, &plugin_instance, &type_instance,
+ &plugin, &host, &t, &severity))
+ return NULL;
+
+ if (type[0] == 0) {
+ PyErr_SetString(PyExc_RuntimeError, "type not set");
+ return NULL;
+ }
+ ds = plugin_get_ds(type);
+ if (ds == NULL) {
+ PyErr_Format(PyExc_TypeError, "Dataset %s not found", type);
+ return NULL;
+ }
+
+ notification.time = t;
+ notification.severity = severity;
+ sstrncpy(notification.message, message, sizeof(notification.message));
+ sstrncpy(notification.host, host, sizeof(notification.host));
+ sstrncpy(notification.plugin, plugin, sizeof(notification.plugin));
+ sstrncpy(notification.plugin_instance, plugin_instance, sizeof(notification.plugin_instance));
+ sstrncpy(notification.type, type, sizeof(notification.type));
+ sstrncpy(notification.type_instance, type_instance, sizeof(notification.type_instance));
+ notification.meta = NULL;
+ if (notification.time < 1)
+ notification.time = time(0);
+ if (notification.host[0] == 0)
+ sstrncpy(notification.host, hostname_g, sizeof(notification.host));
+ if (notification.plugin[0] == 0)
+ sstrncpy(notification.plugin, "python", sizeof(notification.plugin));
+ Py_BEGIN_ALLOW_THREADS;
+ ret = plugin_dispatch_notification(¬ification);
+ Py_END_ALLOW_THREADS;
+ if (ret != 0) {
+ PyErr_SetString(PyExc_RuntimeError, "error dispatching notification, read the logs");
+ return NULL;
+ }
+ Py_RETURN_NONE;
+}
+
+static PyObject *Notification_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
+ Notification *self;
+
+ self = (Notification *) PluginData_new(type, args, kwds);
+ if (self == NULL)
+ return NULL;
+
+ self->message[0] = 0;
+ self->severity = 0;
+ return (PyObject *) self;
+}
+
+static int Notification_setstring(PyObject *self, PyObject *value, void *data) {
+ char *old;
+ const char *new;
+
+ if (value == NULL) {
+ PyErr_SetString(PyExc_TypeError, "Cannot delete this attribute");
+ return -1;
+ }
+ new = PyString_AsString(value);
+ if (new == NULL) return -1;
+ old = ((char *) self) + (int) data;
+ sstrncpy(old, new, NOTIF_MAX_MSG_LEN);
+ return 0;
+}
+
+static PyObject *Notification_repr(PyObject *s) {
+ PyObject *ret;
+ Notification *self = (Notification *) s;
+
+ ret = PyString_FromFormat("collectd.Values(type='%s%s%s%s%s%s%s%s%s%s%s',time=%lu,interval=%i)", self->data.type,
+ *self->data.type_instance ? "',type_instance='" : "", self->data.type_instance,
+ *self->data.plugin ? "',plugin='" : "", self->data.plugin,
+ *self->data.plugin_instance ? "',plugin_instance='" : "", self->data.plugin_instance,
+ *self->data.host ? "',host='" : "", self->data.host,
+ *self->message ? "',message='" : "", self->message,
+ (long unsigned) self->data.time, self->severity);
+ return ret;
+}
+
+static PyMethodDef Notification_methods[] = {
+ {"dispatch", (PyCFunction) Notification_dispatch, METH_VARARGS | METH_KEYWORDS, dispatch_doc},
+ {NULL}
+};
+
+static PyMemberDef Notification_members[] = {
+ {"severity", T_INT, offsetof(Notification, severity), 0, severity_doc},
+ {NULL}
+};
+
+static PyGetSetDef Notification_getseters[] = {
+ {"message", PluginData_getstring, Notification_setstring, message_doc, (void *) offsetof(Notification, message)},
+ {NULL}
+};
+
+PyTypeObject NotificationType = {
+ PyObject_HEAD_INIT(NULL)
+ 0, /* Always 0 */
+ "collectd.Notification", /* tp_name */
+ sizeof(Notification), /* tp_basicsize */
+ 0, /* Will be filled in later */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ Notification_repr, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ 0, /* tp_call */
+ 0, /* tp_str */
+ 0, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
+ Notification_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ Notification_methods, /* tp_methods */
+ Notification_members, /* tp_members */
+ Notification_getseters, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ Notification_init, /* tp_init */
+ 0, /* tp_alloc */
+ Notification_new /* tp_new */
+};
projects / collectd.git / commitdiff