+/**
+ * collectd - src/python.c
+ * Copyright (C) 2009 Sven Trenkel
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Sven Trenkel <collectd at semidefinite.de>
+ **/
+
#include <Python.h>
#include <structmember.h>
+#include <signal.h>
+#if HAVE_PTHREAD_H
+# include <pthread.h>
+#endif
+
#include "collectd.h"
#include "common.h"
struct cpy_callback_s *next;
} cpy_callback_t;
+static char log_doc[] = "This function sends a string to all logging plugins.";
+
+static char flush_doc[] = "flush([plugin][, timeout][, identifier]) -> None\n"
+ "\n"
+ "Flushes the cache of another plugin.";
+
+static char unregister_doc[] = "Unregisters a callback. This function needs exactly one parameter either\n"
+ "the function to unregister or the callback identifier to unregister.";
+
+static char reg_log_doc[] = "register_log(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for log messages.\n"
+ "\n"
+ "'callback' is a callable object that will be called every time something\n"
+ " is logged.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with two or three parameters:\n"
+ "severity: An integer that should be compared to the LOG_ constants.\n"
+ "message: The text to be logged.\n"
+ "data: The optional data parameter passed to the register function.\n"
+ " If the parameter was omitted it will be omitted here, too.";
+
+static char reg_init_doc[] = "register_init(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function that will be executed once after the config.\n"
+ "file has been read, all plugins heve been loaded and the collectd has\n"
+ "forked into the background.\n"
+ "\n"
+ "'callback' is a callable object that will be executed.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function when it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called without parameters, except for\n"
+ "data if it was supplied.";
+
+static char reg_config_doc[] = "register_config(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for config file entries.\n"
+ "'callback' is a callable object that will be called for every config block.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with one or two parameters:\n"
+ "config: A Config object.\n"
+ "data: The optional data parameter passed to the register function.\n"
+ " If the parameter was omitted it will be omitted here, too.";
+
+static char reg_read_doc[] = "register_read(callback[, interval][, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for reading data. It will just be called\n"
+ "in a fixed interval to signal that it's time to dispatch new values.\n"
+ "'callback' is a callable object that will be called every time something\n"
+ " is logged.\n"
+ "'interval' is the number of seconds between between calls to the callback\n"
+ " function. Full float precision is supported here.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called without parameters, except for\n"
+ "data if it was supplied.";
+
+static char reg_write_doc[] = "register_write(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function to receive values dispatched by other plugins.\n"
+ "'callback' is a callable object that will be called every time a value\n"
+ " is dispatched.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with one or two parameters:\n"
+ "values: A Values object which is a copy of the dispatched values.\n"
+ "data: The optional data parameter passed to the register function.\n"
+ " If the parameter was omitted it will be omitted here, too.";
+
+static char reg_notification_doc[] = "register_notification(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for notifications.\n"
+ "'callback' is a callable object that will be called every time a notification\n"
+ " is dispatched.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with one or two parameters:\n"
+ "notification: A copy of the notification that was dispatched.\n"
+ "data: The optional data parameter passed to the register function.\n"
+ " If the parameter was omitted it will be omitted here, too.";
+
+static char reg_flush_doc[] = "register_flush(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for flush messages.\n"
+ "'callback' is a callable object that will be called every time a plugin\n"
+ " requests a flush for either this or all plugins.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function every time it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with two or three parameters:\n"
+ "timeout: Indicates that only data older than 'timeout' seconds is to\n"
+ " be flushed.\n"
+ "id: Specifies which values are to be flushed.\n"
+ "data: The optional data parameter passed to the register function.\n"
+ " If the parameter was omitted it will be omitted here, too.";
+
+static char reg_shutdown_doc[] = "register_shutdown(callback[, data][, name]) -> identifier\n"
+ "\n"
+ "Register a callback function for collectd shutdown.\n"
+ "'callback' is a callable object that will be called once collectd is\n"
+ " shutting down.\n"
+ "'data' is an optional object that will be passed back to the callback\n"
+ " function if it is called.\n"
+ "'name' is an optional identifier for this callback. The default name\n"
+ " is 'python.<module>'.\n"
+ " Every callback needs a unique identifier, so if you want to\n"
+ " register this callback multiple time from the same module you need\n"
+ " to specify a name here.\n"
+ "'identifier' is the full identifier assigned to this callback.\n"
+ "\n"
+ "The callback function will be called with no parameters except for\n"
+ " data if it was supplied.";
+
+
+static int do_interactive = 0;
+
/* This is our global thread state. Python saves some stuff in thread-local
* storage. So if we allow the interpreter to run in the background
* (the scriptwriters might have created some threads from python), we have
static PyThreadState *state;
+static PyObject *cpy_format_exception;
+
static cpy_callback_t *cpy_config_callbacks;
static cpy_callback_t *cpy_init_callbacks;
static cpy_callback_t *cpy_shutdown_callbacks;
* But if you managed to extract the callback parameter then you probably already do. */
static void cpy_build_name(char *buf, size_t size, PyObject *callback, const char *name) {
- const char *module;
- PyObject *mod = NULL, *n = NULL;
+ const char *module = NULL;
+ PyObject *mod = NULL;
- if (name != NULL && strchr(name, '.') != NULL) {
+ if (name != NULL) {
snprintf(buf, size, "python.%s", name);
return;
}
mod = PyObject_GetAttrString(callback, "__module__"); /* New reference. */
if (mod != NULL)
- module = PyString_AsString(mod);
- else
- module = "collectd";
- if (name != NULL) {
- snprintf(buf, size, "python.%s.%s", module, name);
+ module = cpy_unicode_or_bytes_to_string(&mod);
+
+ if (module != NULL) {
+ snprintf(buf, size, "python.%s", module);
Py_XDECREF(mod);
+ PyErr_Clear();
return;
}
+ Py_XDECREF(mod);
- n = PyObject_GetAttrString(callback, "__name__"); /* New reference. */
- if (n != NULL)
- name = PyString_AsString(n);
+ snprintf(buf, size, "python.%p", callback);
+ PyErr_Clear();
+}
+
+void cpy_log_exception(const char *context) {
+ int l = 0, i;
+ const char *typename = NULL, *message = NULL;
+ PyObject *type, *value, *traceback, *tn, *m, *list;
- if (name != NULL)
- snprintf(buf, size, "python.%s.%s", module, name);
- else
- snprintf(buf, size, "python.%s.%p", module, callback);
- Py_XDECREF(mod);
- Py_XDECREF(n);
+ PyErr_Fetch(&type, &value, &traceback);
+ PyErr_NormalizeException(&type, &value, &traceback);
+ if (type == NULL) return;
+ tn = PyObject_GetAttrString(type, "__name__"); /* New reference. */
+ m = PyObject_Str(value); /* New reference. */
+ if (tn != NULL)
+ typename = cpy_unicode_or_bytes_to_string(&tn);
+ if (m != NULL)
+ message = cpy_unicode_or_bytes_to_string(&m);
+ if (typename == NULL)
+ typename = "NamelessException";
+ if (message == NULL)
+ message = "N/A";
+ Py_BEGIN_ALLOW_THREADS
+ ERROR("Unhandled python exception in %s: %s: %s", context, typename, message);
+ Py_END_ALLOW_THREADS
+ Py_XDECREF(tn);
+ Py_XDECREF(m);
+ if (!cpy_format_exception) {
+ PyErr_Clear();
+ Py_XDECREF(type);
+ Py_XDECREF(value);
+ Py_XDECREF(traceback);
+ return;
+ }
+ if (!traceback) {
+ PyErr_Clear();
+ return;
+ }
+ list = PyObject_CallFunction(cpy_format_exception, "NNN", type, value, traceback); /* New reference. */
+ if (list)
+ l = PyObject_Length(list);
+ for (i = 0; i < l; ++i) {
+ char *s;
+ PyObject *line;
+
+ line = PyList_GET_ITEM(list, i); /* Borrowed reference. */
+ Py_INCREF(line);
+ s = strdup(cpy_unicode_or_bytes_to_string(&line));
+ Py_DECREF(line);
+ if (s[strlen(s) - 1] == '\n')
+ s[strlen(s) - 1] = 0;
+ Py_BEGIN_ALLOW_THREADS
+ ERROR("%s", s);
+ Py_END_ALLOW_THREADS
+ free(s);
+ }
+ Py_XDECREF(list);
+ PyErr_Clear();
}
static int cpy_read_callback(user_data_t *data) {
PyObject *ret;
CPY_LOCK_THREADS
- if (c->data == NULL)
- ret = PyObject_CallFunctionObjArgs(c->callback, (void *) 0);
- else
- ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0);
+ ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0); /* New reference. */
if (ret == NULL) {
- /* FIXME */
- PyErr_Print();
+ cpy_log_exception("read callback");
} else {
Py_DECREF(ret);
}
CPY_RELEASE_THREADS
+ if (ret == NULL)
+ return 1;
return 0;
}
static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_list, user_data_t *data) {
int i;
cpy_callback_t *c = data->data;
- PyObject *ret, *v, *list;
+ PyObject *ret, *list, *temp, *dict = NULL, *val;
+ Values *v;
CPY_LOCK_THREADS
list = PyList_New(value_list->values_len); /* New reference. */
if (list == NULL) {
- PyErr_Print();
+ cpy_log_exception("write callback");
CPY_RETURN_FROM_THREADS 0;
}
for (i = 0; i < value_list->values_len; ++i) {
else
PyList_SetItem(list, i, PyLong_FromUnsignedLongLong(value_list->values[i].absolute));
} else {
+ Py_BEGIN_ALLOW_THREADS
ERROR("cpy_write_callback: Unknown value type %d.", ds->ds->type);
+ Py_END_ALLOW_THREADS
Py_DECREF(list);
CPY_RETURN_FROM_THREADS 0;
}
if (PyErr_Occurred() != NULL) {
- PyErr_Print();
+ cpy_log_exception("value building for write callback");
+ Py_DECREF(list);
CPY_RETURN_FROM_THREADS 0;
}
}
- v = PyObject_CallFunction((PyObject *) &ValuesType, "sOssssdi", value_list->type, list,
- value_list->plugin_instance, value_list->type_instance, value_list->plugin,
- value_list->host, (double) value_list->time, value_list->interval);
- Py_DECREF(list);
- if (c->data == NULL)
- ret = PyObject_CallFunctionObjArgs(c->callback, v, (void *) 0);
- else
- ret = PyObject_CallFunctionObjArgs(c->callback, v, c->data, (void *) 0);
+ dict = PyDict_New();
+ if (value_list->meta) {
+ int i, num;
+ char **table;
+ meta_data_t *meta = value_list->meta;
+
+ num = meta_data_toc(meta, &table);
+ for (i = 0; i < num; ++i) {
+ int type;
+ char *string;
+ int64_t si;
+ uint64_t ui;
+ double d;
+ _Bool b;
+
+ type = meta_data_type(meta, table[i]);
+ if (type == MD_TYPE_STRING) {
+ if (meta_data_get_string(meta, table[i], &string))
+ continue;
+ temp = cpy_string_to_unicode_or_bytes(string);
+ free(string);
+ PyDict_SetItemString(dict, table[i], temp);
+ Py_XDECREF(temp);
+ } else if (type == MD_TYPE_SIGNED_INT) {
+ if (meta_data_get_signed_int(meta, table[i], &si))
+ continue;
+ temp = PyObject_CallFunctionObjArgs((void *) &SignedType, PyLong_FromLongLong(si), (void *) 0);
+ PyDict_SetItemString(dict, table[i], temp);
+ Py_XDECREF(temp);
+ } else if (type == MD_TYPE_UNSIGNED_INT) {
+ if (meta_data_get_unsigned_int(meta, table[i], &ui))
+ continue;
+ temp = PyObject_CallFunctionObjArgs((void *) &UnsignedType, PyLong_FromUnsignedLongLong(ui), (void *) 0);
+ PyDict_SetItemString(dict, table[i], temp);
+ Py_XDECREF(temp);
+ } else if (type == MD_TYPE_DOUBLE) {
+ if (meta_data_get_double(meta, table[i], &d))
+ continue;
+ temp = PyFloat_FromDouble(d);
+ PyDict_SetItemString(dict, table[i], temp);
+ Py_XDECREF(temp);
+ } else if (type == MD_TYPE_BOOLEAN) {
+ if (meta_data_get_boolean(meta, table[i], &b))
+ continue;
+ if (b)
+ PyDict_SetItemString(dict, table[i], Py_True);
+ else
+ PyDict_SetItemString(dict, table[i], Py_False);
+ }
+ free(table[i]);
+ }
+ free(table);
+ }
+ val = Values_New(); /* New reference. */
+ v = (Values *) val;
+ sstrncpy(v->data.host, value_list->host, sizeof(v->data.host));
+ sstrncpy(v->data.type, value_list->type, sizeof(v->data.type));
+ sstrncpy(v->data.type_instance, value_list->type_instance, sizeof(v->data.type_instance));
+ sstrncpy(v->data.plugin, value_list->plugin, sizeof(v->data.plugin));
+ sstrncpy(v->data.plugin_instance, value_list->plugin_instance, sizeof(v->data.plugin_instance));
+ v->data.time = CDTIME_T_TO_DOUBLE(value_list->time);
+ v->interval = CDTIME_T_TO_DOUBLE(value_list->interval);
+ Py_CLEAR(v->values);
+ v->values = list;
+ Py_CLEAR(v->meta);
+ v->meta = dict;
+ ret = PyObject_CallFunctionObjArgs(c->callback, v, c->data, (void *) 0); /* New reference. */
+ Py_XDECREF(val);
+ if (ret == NULL) {
+ cpy_log_exception("write callback");
+ } else {
+ Py_DECREF(ret);
+ }
+ CPY_RELEASE_THREADS
+ return 0;
+}
+
+static int cpy_notification_callback(const notification_t *notification, user_data_t *data) {
+ cpy_callback_t *c = data->data;
+ PyObject *ret, *notify;
+ Notification *n;
+
+ CPY_LOCK_THREADS
+ notify = Notification_New(); /* New reference. */
+ n = (Notification *) notify;
+ sstrncpy(n->data.host, notification->host, sizeof(n->data.host));
+ sstrncpy(n->data.type, notification->type, sizeof(n->data.type));
+ sstrncpy(n->data.type_instance, notification->type_instance, sizeof(n->data.type_instance));
+ sstrncpy(n->data.plugin, notification->plugin, sizeof(n->data.plugin));
+ sstrncpy(n->data.plugin_instance, notification->plugin_instance, sizeof(n->data.plugin_instance));
+ n->data.time = CDTIME_T_TO_DOUBLE(notification->time);
+ sstrncpy(n->message, notification->message, sizeof(n->message));
+ n->severity = notification->severity;
+ ret = PyObject_CallFunctionObjArgs(c->callback, n, c->data, (void *) 0); /* New reference. */
+ Py_XDECREF(notify);
if (ret == NULL) {
- /* FIXME */
- PyErr_Print();
+ cpy_log_exception("notification callback");
} else {
Py_DECREF(ret);
}
static void cpy_log_callback(int severity, const char *message, user_data_t *data) {
cpy_callback_t * c = data->data;
- PyObject *ret;
+ PyObject *ret, *text;
CPY_LOCK_THREADS
+ text = cpy_string_to_unicode_or_bytes(message);
if (c->data == NULL)
- ret = PyObject_CallFunction(c->callback, "is", severity, message); /* New reference. */
+ ret = PyObject_CallFunction(c->callback, "iN", severity, text); /* New reference. */
else
- ret = PyObject_CallFunction(c->callback, "isO", severity, message, c->data); /* New reference. */
+ ret = PyObject_CallFunction(c->callback, "iNO", severity, text, c->data); /* New reference. */
if (ret == NULL) {
/* FIXME */
+ /* Do we really want to trigger a log callback because a log callback failed?
+ * Probably not. */
PyErr_Print();
+ /* In case someone wanted to be clever, replaced stderr and failed at that. */
+ PyErr_Clear();
+ } else {
+ Py_DECREF(ret);
+ }
+ CPY_RELEASE_THREADS
+}
+
+static void cpy_flush_callback(int timeout, const char *id, user_data_t *data) {
+ cpy_callback_t * c = data->data;
+ PyObject *ret, *text;
+
+ CPY_LOCK_THREADS
+ text = cpy_string_to_unicode_or_bytes(id);
+ if (c->data == NULL)
+ ret = PyObject_CallFunction(c->callback, "iN", timeout, text); /* New reference. */
+ else
+ ret = PyObject_CallFunction(c->callback, "iNO", timeout, text, c->data); /* New reference. */
+
+ if (ret == NULL) {
+ cpy_log_exception("flush callback");
} else {
Py_DECREF(ret);
}
}
static PyObject *cpy_register_generic(cpy_callback_t **list_head, PyObject *args, PyObject *kwds) {
+ char buf[512];
cpy_callback_t *c;
const char *name = NULL;
PyObject *callback = NULL, *data = NULL, *mod = NULL;
static char *kwlist[] = {"callback", "data", "name", NULL};
- if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oz", kwlist, &callback, &data, &name) == 0) return NULL;
+ if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oet", kwlist, &callback, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyErr_SetString(PyExc_TypeError, "callback needs a be a callable object.");
return NULL;
}
- if (name == NULL) {
- mod = PyObject_GetAttrString(callback, "__module__"); /* New reference. */
- if (mod != NULL) name = PyString_AsString(mod);
- if (name == NULL) {
- Py_XDECREF(mod);
- PyErr_SetString(PyExc_ValueError, "No module name specified and "
- "callback function does not have a \"__module__\" attribute.");
- return NULL;
- }
- }
+ cpy_build_name(buf, sizeof(buf), callback, name);
+
Py_INCREF(callback);
Py_XINCREF(data);
c = malloc(sizeof(*c));
- c->name = strdup(name);
+ c->name = strdup(buf);
c->callback = callback;
c->data = data;
c->next = *list_head;
*list_head = c;
Py_XDECREF(mod);
+ return cpy_string_to_unicode_or_bytes(buf);
+}
+
+static PyObject *cpy_flush(cpy_callback_t **list_head, PyObject *args, PyObject *kwds) {
+ int timeout = -1;
+ const char *plugin = NULL, *identifier = NULL;
+ static char *kwlist[] = {"plugin", "timeout", "identifier", NULL};
+
+ if (PyArg_ParseTupleAndKeywords(args, kwds, "|etiet", kwlist, NULL, &plugin, &timeout, NULL, &identifier) == 0) return NULL;
+ Py_BEGIN_ALLOW_THREADS
+ plugin_flush(plugin, timeout, identifier);
+ Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
PyObject *callback = NULL, *data = NULL;
static char *kwlist[] = {"callback", "data", "name", NULL};
- if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oz", kwlist, &callback, &data, &name) == 0) return NULL;
+ if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oet", kwlist, &callback, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyErr_SetString(PyExc_TypeError, "callback needs a be a callable object.");
return NULL;
user_data->free_func = cpy_destroy_user_data;
user_data->data = c;
register_function(buf, handler, user_data);
- return PyString_FromString(buf);
+ return cpy_string_to_unicode_or_bytes(buf);
}
static PyObject *cpy_register_read(PyObject *self, PyObject *args, PyObject *kwds) {
struct timespec ts;
static char *kwlist[] = {"callback", "interval", "data", "name", NULL};
- if (PyArg_ParseTupleAndKeywords(args, kwds, "O|dOz", kwlist, &callback, &interval, &data, &name) == 0) return NULL;
+ if (PyArg_ParseTupleAndKeywords(args, kwds, "O|dOet", kwlist, &callback, &interval, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyErr_SetString(PyExc_TypeError, "callback needs a be a callable object.");
return NULL;
user_data->data = c;
ts.tv_sec = interval;
ts.tv_nsec = (interval - ts.tv_sec) * 1000000000;
- plugin_register_complex_read(buf, cpy_read_callback, &ts, user_data);
- return PyString_FromString(buf);
+ plugin_register_complex_read(/* group = */ NULL, buf,
+ cpy_read_callback, &ts, user_data);
+ return cpy_string_to_unicode_or_bytes(buf);
}
static PyObject *cpy_register_log(PyObject *self, PyObject *args, PyObject *kwds) {
- return cpy_register_generic_userdata(plugin_register_log, cpy_log_callback, args, kwds);
+ return cpy_register_generic_userdata((void *) plugin_register_log,
+ (void *) cpy_log_callback, args, kwds);
}
static PyObject *cpy_register_write(PyObject *self, PyObject *args, PyObject *kwds) {
- return cpy_register_generic_userdata(plugin_register_write, cpy_write_callback, args, kwds);
+ return cpy_register_generic_userdata((void *) plugin_register_write,
+ (void *) cpy_write_callback, args, kwds);
+}
+
+static PyObject *cpy_register_notification(PyObject *self, PyObject *args, PyObject *kwds) {
+ return cpy_register_generic_userdata((void *) plugin_register_notification,
+ (void *) cpy_notification_callback, args, kwds);
+}
+
+static PyObject *cpy_register_flush(PyObject *self, PyObject *args, PyObject *kwds) {
+ return cpy_register_generic_userdata((void *) plugin_register_flush,
+ (void *) cpy_flush_callback, args, kwds);
}
static PyObject *cpy_register_shutdown(PyObject *self, PyObject *args, PyObject *kwds) {
return cpy_register_generic(&cpy_shutdown_callbacks, args, kwds);
}
-static PyObject *cpy_Error(PyObject *self, PyObject *args) {
+static PyObject *cpy_error(PyObject *self, PyObject *args) {
const char *text;
- if (PyArg_ParseTuple(args, "s", &text) == 0) return NULL;
+ if (PyArg_ParseTuple(args, "et", NULL, &text) == 0) return NULL;
Py_BEGIN_ALLOW_THREADS
plugin_log(LOG_ERR, "%s", text);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
-static PyObject *cpy_Warning(PyObject *self, PyObject *args) {
+static PyObject *cpy_warning(PyObject *self, PyObject *args) {
const char *text;
- if (PyArg_ParseTuple(args, "s", &text) == 0) return NULL;
+ if (PyArg_ParseTuple(args, "et", NULL, &text) == 0) return NULL;
Py_BEGIN_ALLOW_THREADS
plugin_log(LOG_WARNING, "%s", text);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
-static PyObject *cpy_Notice(PyObject *self, PyObject *args) {
+static PyObject *cpy_notice(PyObject *self, PyObject *args) {
const char *text;
- if (PyArg_ParseTuple(args, "s", &text) == 0) return NULL;
+ if (PyArg_ParseTuple(args, "et", NULL, &text) == 0) return NULL;
Py_BEGIN_ALLOW_THREADS
plugin_log(LOG_NOTICE, "%s", text);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
-static PyObject *cpy_Info(PyObject *self, PyObject *args) {
+static PyObject *cpy_info(PyObject *self, PyObject *args) {
const char *text;
- if (PyArg_ParseTuple(args, "s", &text) == 0) return NULL;
+ if (PyArg_ParseTuple(args, "et", NULL, &text) == 0) return NULL;
Py_BEGIN_ALLOW_THREADS
plugin_log(LOG_INFO, "%s", text);
Py_END_ALLOW_THREADS
Py_RETURN_NONE;
}
-static PyObject *cpy_Debug(PyObject *self, PyObject *args) {
+static PyObject *cpy_debug(PyObject *self, PyObject *args) {
#ifdef COLLECT_DEBUG
const char *text;
- if (PyArg_ParseTuple(args, "s", &text) == 0) return NULL;
+ if (PyArg_ParseTuple(args, "et", NULL, &text) == 0) return NULL;
+ Py_BEGIN_ALLOW_THREADS
plugin_log(LOG_DEBUG, "%s", text);
+ Py_END_ALLOW_THREADS
#endif
Py_RETURN_NONE;
}
+static PyObject *cpy_unregister_generic(cpy_callback_t **list_head, PyObject *arg, const char *desc) {
+ char buf[512];
+ const char *name;
+ cpy_callback_t *prev = NULL, *tmp;
+
+ Py_INCREF(arg);
+ name = cpy_unicode_or_bytes_to_string(&arg);
+ if (name == NULL) {
+ PyErr_Clear();
+ if (!PyCallable_Check(arg)) {
+ PyErr_SetString(PyExc_TypeError, "This function needs a string or a callable object as its only parameter.");
+ Py_DECREF(arg);
+ return NULL;
+ }
+ cpy_build_name(buf, sizeof(buf), arg, NULL);
+ name = buf;
+ }
+ for (tmp = *list_head; tmp; prev = tmp, tmp = tmp->next)
+ if (strcmp(name, tmp->name) == 0)
+ break;
+
+ Py_DECREF(arg);
+ if (tmp == NULL) {
+ PyErr_Format(PyExc_RuntimeError, "Unable to unregister %s callback '%s'.", desc, name);
+ return NULL;
+ }
+ /* Yes, this is actually save. To call this function the caller has to
+ * hold the GIL. Well, save as long as there is only one GIL anyway ... */
+ if (prev == NULL)
+ *list_head = tmp->next;
+ else
+ prev->next = tmp->next;
+ cpy_destroy_user_data(tmp);
+ Py_RETURN_NONE;
+}
+
+typedef int cpy_unregister_function_t(const char *name);
+
+static PyObject *cpy_unregister_generic_userdata(cpy_unregister_function_t *unreg, PyObject *arg, const char *desc) {
+ char buf[512];
+ const char *name;
+
+ Py_INCREF(arg);
+ name = cpy_unicode_or_bytes_to_string(&arg);
+ if (name == NULL) {
+ PyErr_Clear();
+ if (!PyCallable_Check(arg)) {
+ PyErr_SetString(PyExc_TypeError, "This function needs a string or a callable object as its only parameter.");
+ Py_DECREF(arg);
+ return NULL;
+ }
+ cpy_build_name(buf, sizeof(buf), arg, NULL);
+ name = buf;
+ }
+ if (unreg(name) == 0) {
+ Py_DECREF(arg);
+ Py_RETURN_NONE;
+ }
+ PyErr_Format(PyExc_RuntimeError, "Unable to unregister %s callback '%s'.", desc, name);
+ Py_DECREF(arg);
+ return NULL;
+}
+
+static PyObject *cpy_unregister_log(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_log, arg, "log");
+}
+
+static PyObject *cpy_unregister_init(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic(&cpy_init_callbacks, arg, "init");
+}
+
+static PyObject *cpy_unregister_config(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic(&cpy_config_callbacks, arg, "config");
+}
+
+static PyObject *cpy_unregister_read(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_read, arg, "read");
+}
+
+static PyObject *cpy_unregister_write(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_write, arg, "write");
+}
+
+static PyObject *cpy_unregister_notification(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_notification, arg, "notification");
+}
+
+static PyObject *cpy_unregister_flush(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic_userdata(plugin_unregister_flush, arg, "flush");
+}
+
+static PyObject *cpy_unregister_shutdown(PyObject *self, PyObject *arg) {
+ return cpy_unregister_generic(&cpy_shutdown_callbacks, arg, "shutdown");
+}
+
static PyMethodDef cpy_methods[] = {
- {"Debug", cpy_Debug, METH_VARARGS, "This is an unhelpful text."},
- {"Info", cpy_Info, METH_VARARGS, "This is an unhelpful text."},
- {"Notice", cpy_Notice, METH_VARARGS, "This is an unhelpful text."},
- {"Warning", cpy_Warning, METH_VARARGS, "This is an unhelpful text."},
- {"Error", cpy_Error, METH_VARARGS, "This is an unhelpful text."},
- {"register_log", (PyCFunction) cpy_register_log, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
- {"register_init", (PyCFunction) cpy_register_init, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
- {"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_shutdown", (PyCFunction) cpy_register_shutdown, METH_VARARGS | METH_KEYWORDS, "This is an unhelpful text."},
+ {"debug", cpy_debug, METH_VARARGS, log_doc},
+ {"info", cpy_info, METH_VARARGS, log_doc},
+ {"notice", cpy_notice, METH_VARARGS, log_doc},
+ {"warning", cpy_warning, METH_VARARGS, log_doc},
+ {"error", cpy_error, METH_VARARGS, log_doc},
+ {"flush", (PyCFunction) cpy_flush, METH_VARARGS | METH_KEYWORDS, flush_doc},
+ {"register_log", (PyCFunction) cpy_register_log, METH_VARARGS | METH_KEYWORDS, reg_log_doc},
+ {"register_init", (PyCFunction) cpy_register_init, METH_VARARGS | METH_KEYWORDS, reg_init_doc},
+ {"register_config", (PyCFunction) cpy_register_config, METH_VARARGS | METH_KEYWORDS, reg_config_doc},
+ {"register_read", (PyCFunction) cpy_register_read, METH_VARARGS | METH_KEYWORDS, reg_read_doc},
+ {"register_write", (PyCFunction) cpy_register_write, METH_VARARGS | METH_KEYWORDS, reg_write_doc},
+ {"register_notification", (PyCFunction) cpy_register_notification, METH_VARARGS | METH_KEYWORDS, reg_notification_doc},
+ {"register_flush", (PyCFunction) cpy_register_flush, METH_VARARGS | METH_KEYWORDS, reg_flush_doc},
+ {"register_shutdown", (PyCFunction) cpy_register_shutdown, METH_VARARGS | METH_KEYWORDS, reg_shutdown_doc},
+ {"unregister_log", cpy_unregister_log, METH_O, unregister_doc},
+ {"unregister_init", cpy_unregister_init, METH_O, unregister_doc},
+ {"unregister_config", cpy_unregister_config, METH_O, unregister_doc},
+ {"unregister_read", cpy_unregister_read, METH_O, unregister_doc},
+ {"unregister_write", cpy_unregister_write, METH_O, unregister_doc},
+ {"unregister_notification", cpy_unregister_notification, METH_O, unregister_doc},
+ {"unregister_flush", cpy_unregister_flush, METH_O, unregister_doc},
+ {"unregister_shutdown", cpy_unregister_shutdown, METH_O, unregister_doc},
{0, 0, 0, 0}
};
PyEval_RestoreThread(state);
for (c = cpy_shutdown_callbacks; c; c = c->next) {
- if (c->data == NULL)
- ret = PyObject_CallObject(c->callback, NULL); /* New reference. */
- else
- ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0); /* New reference. */
+ ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0); /* New reference. */
if (ret == NULL)
- PyErr_Print(); /* FIXME */
+ cpy_log_exception("shutdown callback");
else
Py_DECREF(ret);
}
+ PyErr_Print();
Py_Finalize();
return 0;
}
+static void cpy_int_handler(int sig) {
+ return;
+}
+
+static void *cpy_interactive(void *data) {
+ sigset_t sigset;
+ struct sigaction sig_int_action, old;
+
+ /* Signal handler in a plugin? Bad stuff, but the best way to
+ * handle it I guess. In an interactive session people will
+ * press Ctrl+C at some time, which will generate a SIGINT.
+ * This will cause collectd to shutdown, thus killing the
+ * interactive interpreter, and leaving the terminal in a
+ * mess. Chances are, this isn't what the user wanted to do.
+ *
+ * So this is the plan:
+ * 1. Block SIGINT in the main thread.
+ * 2. Install our own signal handler that does nothing.
+ * 3. Unblock SIGINT in the interactive thread.
+ *
+ * This will make sure that SIGINT won't kill collectd but
+ * still interrupt syscalls like sleep and pause.
+ * It does not raise a KeyboardInterrupt exception because so
+ * far nobody managed to figure out how to do that. */
+ memset (&sig_int_action, '\0', sizeof (sig_int_action));
+ sig_int_action.sa_handler = cpy_int_handler;
+ sigaction (SIGINT, &sig_int_action, &old);
+
+ sigemptyset(&sigset);
+ sigaddset(&sigset, SIGINT);
+ pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
+ PyEval_AcquireThread(state);
+ if (PyImport_ImportModule("readline") == NULL) {
+ /* This interactive session will suck. */
+ cpy_log_exception("interactive session init");
+ }
+ PyRun_InteractiveLoop(stdin, "<stdin>");
+ PyErr_Print();
+ PyEval_ReleaseThread(state);
+ NOTICE("python: Interactive interpreter exited, stopping collectd ...");
+ /* Restore the original collectd SIGINT handler and raise SIGINT.
+ * The main thread still has SIGINT blocked and there's nothing we
+ * can do about that so this thread will handle it. But that's not
+ * important, except that it won't interrupt the main loop and so
+ * it might take a few seconds before collectd really shuts down. */
+ sigaction (SIGINT, &old, NULL);
+ raise(SIGINT);
+ pause();
+ return NULL;
+}
+
static int cpy_init(void) {
cpy_callback_t *c;
PyObject *ret;
+ static pthread_t thread;
+ sigset_t sigset;
+ if (!Py_IsInitialized()) {
+ WARNING("python: Plugin loaded but not configured.");
+ plugin_unregister_shutdown("python");
+ return 0;
+ }
PyEval_InitThreads();
/* Now it's finally OK to use python threads. */
for (c = cpy_init_callbacks; c; c = c->next) {
- if (c->data == NULL)
- ret = PyObject_CallObject(c->callback, NULL); /* New reference. */
- else
- ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0); /* New reference. */
+ ret = PyObject_CallFunctionObjArgs(c->callback, c->data, (void *) 0); /* New reference. */
if (ret == NULL)
- PyErr_Print(); /* FIXME */
+ cpy_log_exception("init callback");
else
Py_DECREF(ret);
}
+ sigemptyset(&sigset);
+ sigaddset(&sigset, SIGINT);
+ pthread_sigmask(SIG_BLOCK, &sigset, NULL);
state = PyEval_SaveThread();
+ if (do_interactive) {
+ if (pthread_create(&thread, NULL, cpy_interactive, NULL)) {
+ ERROR("python: Error creating thread for interactive interpreter.");
+ }
+ }
+
return 0;
}
values = PyTuple_New(ci->values_num); /* New reference. */
for (i = 0; i < ci->values_num; ++i) {
if (ci->values[i].type == OCONFIG_TYPE_STRING) {
- PyTuple_SET_ITEM(values, i, PyString_FromString(ci->values[i].value.string));
+ PyTuple_SET_ITEM(values, i, cpy_string_to_unicode_or_bytes(ci->values[i].value.string));
} else if (ci->values[i].type == OCONFIG_TYPE_NUMBER) {
PyTuple_SET_ITEM(values, i, PyFloat_FromDouble(ci->values[i].value.number));
} else if (ci->values[i].type == OCONFIG_TYPE_BOOLEAN) {
}
}
- item = PyObject_CallFunction((PyObject *) &ConfigType, "sONO", ci->key, parent, values, Py_None);
+ tmp = cpy_string_to_unicode_or_bytes(ci->key);
+ item = PyObject_CallFunction((void *) &ConfigType, "NONO", tmp, parent, values, Py_None);
if (item == NULL)
return NULL;
children = PyTuple_New(ci->children_num); /* New reference. */
for (i = 0; i < ci->children_num; ++i) {
- PyTuple_SET_ITEM(children, i, cpy_oconfig_to_pyconfig(ci->children + i, item));
+ PyTuple_SET_ITEM(children, i, cpy_oconfig_to_pyconfig(ci->children + i, item));
}
tmp = ((Config *) item)->children;
((Config *) item)->children = children;
return item;
}
+#ifdef IS_PY3K
+static struct PyModuleDef collectdmodule = {
+ PyModuleDef_HEAD_INIT,
+ "collectd", /* name of module */
+ "The python interface to collectd", /* module documentation, may be NULL */
+ -1,
+ cpy_methods
+};
+
+PyMODINIT_FUNC PyInit_collectd(void) {
+ return PyModule_Create(&collectdmodule);
+}
+#endif
+
static int cpy_config(oconfig_item_t *ci) {
int i;
- PyObject *sys;
+ char *argv = "";
+ PyObject *sys, *tb;
PyObject *sys_path;
PyObject *module;
* python code during the config callback so we have to start
* the interpreter here. */
/* Do *not* use the python "thread" module at this point! */
+
+#ifdef IS_PY3K
+ /* Add a builtin module, before Py_Initialize */
+ PyImport_AppendInittab("collectd", PyInit_collectd);
+#endif
+
Py_Initialize();
PyType_Ready(&ConfigType);
+ PyType_Ready(&PluginDataType);
+ ValuesType.tp_base = &PluginDataType;
PyType_Ready(&ValuesType);
+ NotificationType.tp_base = &PluginDataType;
+ PyType_Ready(&NotificationType);
+ SignedType.tp_base = &PyLong_Type;
+ PyType_Ready(&SignedType);
+ UnsignedType.tp_base = &PyLong_Type;
+ PyType_Ready(&UnsignedType);
sys = PyImport_ImportModule("sys"); /* New reference. */
if (sys == NULL) {
- ERROR("python module: Unable to import \"sys\" module.");
- /* Just print the default python exception text to stderr. */
- PyErr_Print();
+ cpy_log_exception("python initialization");
return 1;
}
sys_path = PyObject_GetAttrString(sys, "path"); /* New reference. */
Py_DECREF(sys);
if (sys_path == NULL) {
- ERROR("python module: Unable to read \"sys.path\".");
- PyErr_Print();
+ cpy_log_exception("python initialization");
return 1;
}
+ PySys_SetArgv(1, &argv);
+ PyList_SetSlice(sys_path, 0, 1, NULL);
+
+#ifdef IS_PY3K
+ module = PyImport_ImportModule("collectd");
+#else
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. */
+#endif
+ PyModule_AddObject(module, "Config", (void *) &ConfigType); /* Steals a reference. */
+ PyModule_AddObject(module, "Values", (void *) &ValuesType); /* Steals a reference. */
+ PyModule_AddObject(module, "Notification", (void *) &NotificationType); /* Steals a reference. */
+ PyModule_AddObject(module, "Signed", (void *) &SignedType); /* Steals a reference. */
+ PyModule_AddObject(module, "Unsigned", (void *) &UnsignedType); /* 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;
- if (strcasecmp(item->key, "ModulePath") == 0) {
+ if (strcasecmp(item->key, "Interactive") == 0) {
+ if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ continue;
+ do_interactive = item->values[0].value.boolean;
+ } else if (strcasecmp(item->key, "Encoding") == 0) {
+ if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_STRING)
+ continue;
+ /* Why is this even necessary? And undocumented? */
+ if (PyUnicode_SetDefaultEncoding(item->values[0].value.string))
+ cpy_log_exception("setting default encoding");
+ } else if (strcasecmp(item->key, "LogTraces") == 0) {
+ if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN)
+ continue;
+ if (!item->values[0].value.boolean) {
+ Py_XDECREF(cpy_format_exception);
+ cpy_format_exception = NULL;
+ continue;
+ }
+ if (cpy_format_exception)
+ continue;
+ tb = PyImport_ImportModule("traceback"); /* New reference. */
+ if (tb == NULL) {
+ cpy_log_exception("python initialization");
+ continue;
+ }
+ cpy_format_exception = PyObject_GetAttrString(tb, "format_exception"); /* New reference. */
+ Py_DECREF(tb);
+ if (cpy_format_exception == NULL)
+ cpy_log_exception("python initialization");
+ } else if (strcasecmp(item->key, "ModulePath") == 0) {
char *dir = NULL;
PyObject *dir_object;
if (cf_util_get_string(item, &dir) != 0)
continue;
- dir_object = PyString_FromString(dir); /* New reference. */
+ dir_object = cpy_string_to_unicode_or_bytes(dir); /* New reference. */
if (dir_object == NULL) {
ERROR("python plugin: Unable to convert \"%s\" to "
"a python object.", dir);
free(dir);
- PyErr_Print();
+ cpy_log_exception("python initialization");
continue;
}
if (PyList_Append(sys_path, dir_object) != 0) {
ERROR("python plugin: Unable to append \"%s\" to "
"python module path.", dir);
- PyErr_Print();
+ cpy_log_exception("python initialization");
}
Py_DECREF(dir_object);
free(dir);
module = PyImport_ImportModule(module_name); /* New reference. */
if (module == NULL) {
ERROR("python plugin: Error importing module \"%s\".", module_name);
- PyErr_Print();
+ cpy_log_exception("importing module");
}
free(module_name);
Py_XDECREF(module);
if (cf_util_get_string(item, &name) != 0)
continue;
for (c = cpy_config_callbacks; c; c = c->next) {
- if (strcasecmp(c->name, name) == 0)
+ if (strcasecmp(c->name + 7, name) == 0)
break;
}
if (c == NULL) {
ret = PyObject_CallFunction(c->callback, "NO",
cpy_oconfig_to_pyconfig(item, NULL), c->data); /* New reference. */
if (ret == NULL)
- PyErr_Print();
+ cpy_log_exception("loading module");
else
Py_DECREF(ret);
} else {
void module_register(void) {
plugin_register_complex_config("python", cpy_config);
plugin_register_init("python", cpy_init);
-// plugin_register_read("python", cna_read);
plugin_register_shutdown("python", cpy_shutdown);
}
projects / collectd.git / blobdiff