+/**
+ * collectd - src/pyvalues.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 "cpython.h"
-static PyObject *Values_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
- Values *self;
+static PyObject *cpy_common_repr(PyObject *s) {
+ PyObject *ret, *tmp;
+ static PyObject *l_type = NULL, *l_type_instance = NULL, *l_plugin = NULL, *l_plugin_instance = NULL;
+ static PyObject *l_host = NULL, *l_time = NULL;
+ PluginData *self = (PluginData *) s;
+
+ if (l_type == NULL)
+ l_type = cpy_string_to_unicode_or_bytes("(type=");
+ if (l_type_instance == NULL)
+ l_type_instance = cpy_string_to_unicode_or_bytes(",type_instance=");
+ if (l_plugin == NULL)
+ l_plugin = cpy_string_to_unicode_or_bytes(",plugin=");
+ if (l_plugin_instance == NULL)
+ l_plugin_instance = cpy_string_to_unicode_or_bytes(",plugin_instance=");
+ if (l_host == NULL)
+ l_host = cpy_string_to_unicode_or_bytes(",host=");
+ if (l_time == NULL)
+ l_time = cpy_string_to_unicode_or_bytes(",time=");
+
+ if (!l_type || !l_type_instance || !l_plugin || !l_plugin_instance || !l_host || !l_time)
+ return NULL;
+
+ ret = cpy_string_to_unicode_or_bytes(s->ob_type->tp_name);
+
+ CPY_STRCAT(&ret, l_type);
+ tmp = cpy_string_to_unicode_or_bytes(self->type);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+
+ if (self->type_instance[0] != 0) {
+ CPY_STRCAT(&ret, l_type_instance);
+ tmp = cpy_string_to_unicode_or_bytes(self->type_instance);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+
+ if (self->plugin[0] != 0) {
+ CPY_STRCAT(&ret, l_plugin);
+ tmp = cpy_string_to_unicode_or_bytes(self->plugin);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+
+ if (self->plugin_instance[0] != 0) {
+ CPY_STRCAT(&ret, l_plugin_instance);
+ tmp = cpy_string_to_unicode_or_bytes(self->plugin_instance);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+
+ if (self->host[0] != 0) {
+ CPY_STRCAT(&ret, l_host);
+ tmp = cpy_string_to_unicode_or_bytes(self->host);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+
+ if (self->time != 0) {
+ CPY_STRCAT(&ret, l_time);
+ tmp = PyInt_FromLong(self->time);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ return ret;
+}
+
+static char time_doc[] = "This is the Unix timestap of the time this value was read.\n"
+ "For dispatching values this can be set to 0 which means \"now\".\n"
+ "This means the time the value is actually dispatched, not the time\n"
+ "it was set to 0.";
+
+static char host_doc[] = "The hostname of the host this value was read from.\n"
+ "For dispatching this can be set to an empty string which means\n"
+ "the local hostname as defined in the collectd.conf.";
+
+static char type_doc[] = "The type of this value. This type has to be defined\n"
+ "in your types.db. Attempting to set it to any other value will\n"
+ "raise a TypeError exception.\n"
+ "Assigning a type is mandetory, calling dispatch without doing\n"
+ "so will raise a RuntimeError exception.";
+
+static char type_instance_doc[] = "";
+
+static char plugin_doc[] = "The name of the plugin that read the data. Setting this\n"
+ "member to an empty string will insert \"python\" upon dispatching.";
+
+static char plugin_instance_doc[] = "";
+
+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"
+ "exported to the collectd module.";
+
+static PyObject *PluginData_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
+ PluginData *self;
- self = (Values *) type->tp_alloc(type, 0);
+ self = (PluginData *) type->tp_alloc(type, 0);
if (self == NULL)
return NULL;
- self->values = PyList_New(0);
self->time = 0;
- self->interval = 0;
self->host[0] = 0;
self->plugin[0] = 0;
self->plugin_instance[0] = 0;
return (PyObject *) self;
}
-static int Values_init(PyObject *s, PyObject *args, PyObject *kwds) {
- Values *self = (Values *) s;
- int interval = 0;
+static int PluginData_init(PyObject *s, PyObject *args, PyObject *kwds) {
+ PluginData *self = (PluginData *) s;
double time = 0;
- PyObject *values = NULL, *tmp;
const char *type = "", *plugin_instance = "", *type_instance = "", *plugin = "", *host = "";
- static char *kwlist[] = {"type", "values", "plugin_instance", "type_instance",
- "plugin", "host", "time", "interval", NULL};
+ static char *kwlist[] = {"type", "plugin_instance", "type_instance",
+ "plugin", "host", "time", NULL};
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "|sOssssdi", kwlist,
- &type, &values, &plugin_instance, &type_instance,
- &plugin, &host, &time, &interval))
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|etetetetetd", kwlist, NULL, &type,
+ NULL, &plugin_instance, NULL, &type_instance, NULL, &plugin, NULL, &host, &time))
return -1;
if (type[0] != 0 && plugin_get_ds(type) == NULL) {
return -1;
}
- if (values == NULL) {
- values = PyList_New(0);
- PyErr_Clear();
- } else {
- Py_INCREF(values);
- }
-
- tmp = self->values;
- self->values = values;
- Py_XDECREF(tmp);
-
sstrncpy(self->host, host, sizeof(self->host));
sstrncpy(self->plugin, plugin, sizeof(self->plugin));
sstrncpy(self->plugin_instance, plugin_instance, sizeof(self->plugin_instance));
sstrncpy(self->type_instance, type_instance, sizeof(self->type_instance));
self->time = time;
- self->interval = interval;
return 0;
}
-static PyObject *Values_repr(PyObject *s) {
- PyObject *ret, *valuestring = NULL;
- Values *self = (Values *) s;
+static PyObject *PluginData_repr(PyObject *s) {
+ PyObject *ret;
+ static PyObject *l_closing = NULL;
+
+ if (l_closing == NULL)
+ l_closing = cpy_string_to_unicode_or_bytes(")");
- if (self->values != NULL)
- valuestring = PyObject_Repr(self->values);
- if (valuestring == NULL)
+ if (l_closing == NULL)
return NULL;
- ret = PyString_FromFormat("collectd.Values(type='%s%s%s%s%s%s%s%s%s',time=%lu,interval=%i,values=%s)", self->type,
- *self->type_instance ? "',type_instance='" : "", self->type_instance,
- *self->plugin ? "',plugin='" : "", self->plugin,
- *self->plugin_instance ? "',plugin_instance='" : "", self->plugin_instance,
- *self->host ? "',host='" : "", self->host,
- (long unsigned) self->time, self->interval,
- valuestring ? PyString_AsString(valuestring) : "[]");
- Py_XDECREF(valuestring);
+ ret = cpy_common_repr(s);
+ CPY_STRCAT(&ret, l_closing);
return ret;
}
-static int Values_traverse(PyObject *self, visitproc visit, void *arg) {
- Values *v = (Values *) self;
- Py_VISIT(v->values);
- return 0;
-}
-
-static int Values_clear(PyObject *self) {
- Values *v = (Values *) self;
- Py_CLEAR(v->values);
- return 0;
-}
-
-static void Values_dealloc(PyObject *self) {
- Values_clear(self);
- self->ob_type->tp_free(self);
-}
-
-static PyMemberDef Values_members[] = {
- {"time", T_DOUBLE, offsetof(Values, time), 0, "Parent node"},
- {"interval", T_INT, offsetof(Values, interval), 0, "Keyword of this node"},
- {"values", T_OBJECT_EX, offsetof(Values, values), 0, "Values after the key"},
-// {"Children", T_OBJECT_EX, offsetof(Config, children), 0, "Childnodes of this node"},
+static PyMemberDef PluginData_members[] = {
+ {"time", T_DOUBLE, offsetof(PluginData, time), 0, time_doc},
{NULL}
};
-static PyObject *Values_getstring(PyObject *self, void *data) {
- const char *value = ((char *) self) + (int) data;
+static PyObject *PluginData_getstring(PyObject *self, void *data) {
+ const char *value = ((char *) self) + (intptr_t) data;
- return PyString_FromString(value);
+ return cpy_string_to_unicode_or_bytes(value);
}
-static int Values_setstring(PyObject *self, PyObject *value, void *data) {
+static int PluginData_setstring(PyObject *self, PyObject *value, void *data) {
char *old;
const char *new;
PyErr_SetString(PyExc_TypeError, "Cannot delete this attribute");
return -1;
}
- new = PyString_AsString(value);
- if (new == NULL) return -1;
- old = ((char *) self) + (int) data;
+ Py_INCREF(value);
+ new = cpy_unicode_or_bytes_to_string(&value);
+ if (new == NULL) {
+ Py_DECREF(value);
+ return -1;
+ }
+ old = ((char *) self) + (intptr_t) data;
sstrncpy(old, new, DATA_MAX_NAME_LEN);
+ Py_DECREF(value);
return 0;
}
-static int Values_settype(PyObject *self, PyObject *value, void *data) {
+static int PluginData_settype(PyObject *self, PyObject *value, void *data) {
char *old;
const char *new;
PyErr_SetString(PyExc_TypeError, "Cannot delete this attribute");
return -1;
}
- new = PyString_AsString(value);
- if (new == NULL) return -1;
+ Py_INCREF(value);
+ new = cpy_unicode_or_bytes_to_string(&value);
+ if (new == NULL) {
+ Py_DECREF(value);
+ return -1;
+ }
if (plugin_get_ds(new) == NULL) {
PyErr_Format(PyExc_TypeError, "Dataset %s not found", new);
+ Py_DECREF(value);
return -1;
}
- old = ((char *) self) + (int) data;
+ old = ((char *) self) + (intptr_t) data;
sstrncpy(old, new, DATA_MAX_NAME_LEN);
+ Py_DECREF(value);
return 0;
}
+static PyGetSetDef PluginData_getseters[] = {
+ {"host", PluginData_getstring, PluginData_setstring, host_doc, (void *) offsetof(PluginData, host)},
+ {"plugin", PluginData_getstring, PluginData_setstring, plugin_doc, (void *) offsetof(PluginData, plugin)},
+ {"plugin_instance", PluginData_getstring, PluginData_setstring, plugin_instance_doc, (void *) offsetof(PluginData, plugin_instance)},
+ {"type_instance", PluginData_getstring, PluginData_setstring, type_instance_doc, (void *) offsetof(PluginData, type_instance)},
+ {"type", PluginData_getstring, PluginData_settype, type_doc, (void *) offsetof(PluginData, type)},
+ {NULL}
+};
+
+PyTypeObject PluginDataType = {
+ CPY_INIT_TYPE
+ "collectd.PluginData", /* tp_name */
+ sizeof(PluginData), /* tp_basicsize */
+ 0, /* Will be filled in later */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ PluginData_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 /*| Py_TPFLAGS_HAVE_GC*/, /*tp_flags*/
+ PluginData_doc, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ PluginData_members, /* tp_members */
+ PluginData_getseters, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ PluginData_init, /* tp_init */
+ 0, /* tp_alloc */
+ PluginData_new /* tp_new */
+};
+
+static char interval_doc[] = "The interval is the timespan in seconds between two submits for\n"
+ "the same data source. This value has to be a positive integer, so you can't\n"
+ "submit more than one value per second. If this member is set to a\n"
+ "non-positive value, the default value as specified in the config file will\n"
+ "be used (default: 10).\n"
+ "\n"
+ "If you submit values more often than the specified interval, the average\n"
+ "will be used. If you submit less values, your graphs will have gaps.";
+
+static char values_doc[] = "These are the actual values that get dispatched to collectd.\n"
+ "It has to be a sequence (a tuple or list) of numbers.\n"
+ "The size of the sequence and the type of its content depend on the type\n"
+ "member your types.db file. For more information on this read the types.db\n"
+ "man page.\n"
+ "\n"
+ "If the sequence does not have the correct size upon dispatch a RuntimeError\n"
+ "exception will be raised. If the content of the sequence is not a number,\n"
+ "a TypeError exception will be raised.";
+
+static char meta_doc[] = "These are the meta data for this Value object.\n"
+ "It has to be a dictionary of numbers, strings or bools. All keys must be\n"
+ "strings. int and long objects will be dispatched as signed integers unless\n"
+ "they are between 2**63 and 2**64-1, which will result in a unsigned integer.\n"
+ "You can force one of these storage classes by using the classes\n"
+ "collectd.Signed and collectd.Unsigned. A meta object received by a write\n"
+ "callback will always contain Signed or Unsigned objects.";
+
+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. 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"
+ "If you do not submit a parameter the value saved in its member will be submitted.\n"
+ "If you do provide a parameter it will be used instead, without altering the member.";
+
+static char write_doc[] = "write([destination][, type][, values][, plugin_instance][, type_instance]"
+ "[, plugin][, host][, time][, interval]) -> None. Dispatch a value list.\n"
+ "\n"
+ "Write this instance to a single plugin or all plugins if 'destination' is obmitted.\n"
+ "This will bypass the main collectd process and all filtering and caching.\n"
+ "Other than that it works similar to 'dispatch'. In most cases 'dispatch' should be\n"
+ "used instead of 'write'.\n";
+
+static char Values_doc[] = "A Values object used for dispatching values to collectd and receiving values from write callbacks.";
+
+static PyObject *Values_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
+ Values *self;
+
+ self = (Values *) PluginData_new(type, args, kwds);
+ if (self == NULL)
+ return NULL;
+
+ self->values = PyList_New(0);
+ self->meta = PyDict_New();
+ self->interval = 0;
+ return (PyObject *) self;
+}
+
+static int Values_init(PyObject *s, PyObject *args, PyObject *kwds) {
+ Values *self = (Values *) s;
+ int interval = 0;
+ double time = 0;
+ PyObject *values = NULL, *meta = NULL, *tmp;
+ const char *type = "", *plugin_instance = "", *type_instance = "", *plugin = "", *host = "";
+ static char *kwlist[] = {"type", "values", "plugin_instance", "type_instance",
+ "plugin", "host", "time", "interval", "meta", NULL};
+
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|etOetetetetdiO", kwlist,
+ NULL, &type, &values, NULL, &plugin_instance, NULL, &type_instance,
+ NULL, &plugin, NULL, &host, &time, &interval, &meta))
+ return -1;
+
+ if (type[0] != 0 && plugin_get_ds(type) == NULL) {
+ PyErr_Format(PyExc_TypeError, "Dataset %s not found", type);
+ return -1;
+ }
+
+ sstrncpy(self->data.host, host, sizeof(self->data.host));
+ sstrncpy(self->data.plugin, plugin, sizeof(self->data.plugin));
+ sstrncpy(self->data.plugin_instance, plugin_instance, sizeof(self->data.plugin_instance));
+ sstrncpy(self->data.type, type, sizeof(self->data.type));
+ sstrncpy(self->data.type_instance, type_instance, sizeof(self->data.type_instance));
+ self->data.time = time;
+
+ if (values == NULL) {
+ values = PyList_New(0);
+ PyErr_Clear();
+ } else {
+ Py_INCREF(values);
+ }
+
+ if (meta == NULL) {
+ meta = PyDict_New();
+ PyErr_Clear();
+ } else {
+ Py_INCREF(meta);
+ }
+
+ tmp = self->values;
+ self->values = values;
+ Py_XDECREF(tmp);
+
+ tmp = self->meta;
+ self->meta = meta;
+ Py_XDECREF(tmp);
+
+ self->interval = interval;
+ return 0;
+}
+
+static meta_data_t *cpy_build_meta(PyObject *meta) {
+ int i, s;
+ meta_data_t *m = NULL;
+ PyObject *l;
+
+ if (!meta)
+ return NULL;
+
+ m = meta_data_create();
+ l = PyDict_Items(meta);
+ s = PyList_Size(l);
+ for (i = 0; i < s; ++i) {
+ const char *string, *keystring;
+ PyObject *key, *value, *item, *tmp;
+
+ item = PyList_GET_ITEM(l, i);
+ key = PyTuple_GET_ITEM(item, 0);
+ Py_INCREF(key);
+ keystring = cpy_unicode_or_bytes_to_string(&key);
+ if (!keystring) {
+ PyErr_Clear();
+ Py_XDECREF(key);
+ continue;
+ }
+ value = PyTuple_GET_ITEM(item, 1);
+ Py_INCREF(value);
+ if (value == Py_True) {
+ meta_data_add_boolean(m, keystring, 1);
+ } else if (value == Py_False) {
+ meta_data_add_boolean(m, keystring, 0);
+ } else if (PyFloat_Check(value)) {
+ meta_data_add_double(m, keystring, PyFloat_AsDouble(value));
+ } else if (PyObject_TypeCheck(value, &SignedType)) {
+ long long int lli;
+ lli = PyLong_AsLongLong(value);
+ if (!PyErr_Occurred() && (lli == (int64_t) lli))
+ meta_data_add_signed_int(m, keystring, lli);
+ } else if (PyObject_TypeCheck(value, &UnsignedType)) {
+ long long unsigned llu;
+ llu = PyLong_AsUnsignedLongLong(value);
+ if (!PyErr_Occurred() && (llu == (uint64_t) llu))
+ meta_data_add_unsigned_int(m, keystring, llu);
+ } else if (PyNumber_Check(value)) {
+ long long int lli;
+ long long unsigned llu;
+ tmp = PyNumber_Long(value);
+ lli = PyLong_AsLongLong(tmp);
+ if (!PyErr_Occurred() && (lli == (int64_t) lli)) {
+ meta_data_add_signed_int(m, keystring, lli);
+ } else {
+ PyErr_Clear();
+ llu = PyLong_AsUnsignedLongLong(tmp);
+ if (!PyErr_Occurred() && (llu == (uint64_t) llu))
+ meta_data_add_unsigned_int(m, keystring, llu);
+ }
+ Py_XDECREF(tmp);
+ } else {
+ string = cpy_unicode_or_bytes_to_string(&value);
+ if (string) {
+ meta_data_add_string(m, keystring, string);
+ } else {
+ PyErr_Clear();
+ tmp = PyObject_Str(value);
+ string = cpy_unicode_or_bytes_to_string(&tmp);
+ if (string)
+ meta_data_add_string(m, keystring, string);
+ Py_XDECREF(tmp);
+ }
+ }
+ if (PyErr_Occurred())
+ cpy_log_exception("building meta data");
+ Py_XDECREF(value);
+ Py_DECREF(key);
+ }
+ return m;
+}
+
static PyObject *Values_dispatch(Values *self, PyObject *args, PyObject *kwds) {
int i, ret;
const data_set_t *ds;
- Py_ssize_t size;
+ int size;
value_t *value;
value_list_t value_list = VALUE_LIST_INIT;
- PyObject *values = self->values;
- double time = self->time;
+ PyObject *values = self->values, *meta = self->meta;
+ double time = self->data.time;
int interval = self->interval;
- const char *host = self->host;
- const char *plugin = self->plugin;
- const char *plugin_instance = self->plugin_instance;
- const char *type = self->type;
- const char *type_instance = self->type_instance;
+ 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;
static char *kwlist[] = {"type", "values", "plugin_instance", "type_instance",
- "plugin", "host", "time", "interval", NULL};
- if (!PyArg_ParseTupleAndKeywords(args, kwds, "|sOssssdi", kwlist,
- &type, &values, &plugin_instance, &type_instance,
- &plugin, &host, &time, &interval))
+ "plugin", "host", "time", "interval", "meta", NULL};
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|etOetetetetdiO", kwlist,
+ NULL, &type, &values, NULL, &plugin_instance, NULL, &type_instance,
+ NULL, &plugin, NULL, &host, &time, &interval, &meta))
return NULL;
if (type[0] == 0) {
PyErr_Format(PyExc_TypeError, "values must be list or tuple");
return NULL;
}
- size = PySequence_Length(values);
+ if (meta != NULL && meta != Py_None && !PyDict_Check(meta)) {
+ PyErr_Format(PyExc_TypeError, "meta must be a dict");
+ return NULL;
+ }
+ size = (int) PySequence_Length(values);
if (size != ds->ds_num) {
- PyErr_Format(PyExc_RuntimeError, "type %s needs %d values, got %zd", type, ds->ds_num, size);
+ PyErr_Format(PyExc_RuntimeError, "type %s needs %d values, got %i", type, ds->ds_num, size);
return NULL;
}
value = malloc(size * sizeof(*value));
}
}
value_list.values = value;
+ value_list.meta = cpy_build_meta(meta);
value_list.values_len = size;
value_list.time = time;
value_list.interval = interval;
sstrncpy(value_list.plugin_instance, plugin_instance, sizeof(value_list.plugin_instance));
sstrncpy(value_list.type, type, sizeof(value_list.type));
sstrncpy(value_list.type_instance, type_instance, sizeof(value_list.type_instance));
- value_list.meta = NULL;
if (value_list.host[0] == 0)
sstrncpy(value_list.host, hostname_g, sizeof(value_list.host));
if (value_list.plugin[0] == 0)
Py_RETURN_NONE;
}
-static PyGetSetDef Values_getseters[] = {
- {"host", Values_getstring, Values_setstring, "help text", (void *) offsetof(Values, host)},
- {"plugin", Values_getstring, Values_setstring, "help text", (void *) offsetof(Values, plugin)},
- {"plugin_instance", Values_getstring, Values_setstring, "help text", (void *) offsetof(Values, plugin_instance)},
- {"type_instance", Values_getstring, Values_setstring, "help text", (void *) offsetof(Values, type_instance)},
- {"type", Values_getstring, Values_settype, "help text", (void *) offsetof(Values, type)},
+static PyObject *Values_write(Values *self, PyObject *args, PyObject *kwds) {
+ int i, ret;
+ const data_set_t *ds;
+ int size;
+ value_t *value;
+ value_list_t value_list = VALUE_LIST_INIT;
+ PyObject *values = self->values, *meta = self->meta;
+ double time = self->data.time;
+ int interval = self->interval;
+ 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 *dest = NULL;
+
+ static char *kwlist[] = {"destination", "type", "values", "plugin_instance", "type_instance",
+ "plugin", "host", "time", "interval", "meta", NULL};
+ if (!PyArg_ParseTupleAndKeywords(args, kwds, "|etOetetetetdiO", kwlist,
+ NULL, &type, &values, NULL, &plugin_instance, NULL, &type_instance,
+ NULL, &plugin, NULL, &host, &time, &interval, &meta))
+ 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;
+ }
+ if (values == NULL || (PyTuple_Check(values) == 0 && PyList_Check(values) == 0)) {
+ PyErr_Format(PyExc_TypeError, "values must be list or tuple");
+ return NULL;
+ }
+ size = (int) PySequence_Length(values);
+ if (size != ds->ds_num) {
+ PyErr_Format(PyExc_RuntimeError, "type %s needs %d values, got %i", type, ds->ds_num, size);
+ return NULL;
+ }
+ value = malloc(size * sizeof(*value));
+ for (i = 0; i < size; ++i) {
+ PyObject *item, *num;
+ item = PySequence_GetItem(values, i);
+ if (ds->ds->type == DS_TYPE_COUNTER) {
+ num = PyNumber_Long(item);
+ if (num != NULL)
+ value[i].counter = PyLong_AsUnsignedLongLong(num);
+ } else if (ds->ds->type == DS_TYPE_GAUGE) {
+ num = PyNumber_Float(item);
+ if (num != NULL)
+ value[i].gauge = PyFloat_AsDouble(num);
+ } else if (ds->ds->type == DS_TYPE_DERIVE) {
+ /* This might overflow without raising an exception.
+ * Not much we can do about it */
+ num = PyNumber_Long(item);
+ if (num != NULL)
+ value[i].derive = PyLong_AsLongLong(num);
+ } else if (ds->ds->type == DS_TYPE_ABSOLUTE) {
+ /* This might overflow without raising an exception.
+ * Not much we can do about it */
+ num = PyNumber_Long(item);
+ if (num != NULL)
+ value[i].absolute = PyLong_AsUnsignedLongLong(num);
+ } else {
+ free(value);
+ PyErr_Format(PyExc_RuntimeError, "unknown data type %d for %s", ds->ds->type, type);
+ return NULL;
+ }
+ if (PyErr_Occurred() != NULL) {
+ free(value);
+ return NULL;
+ }
+ }
+ value_list.values = value;
+ value_list.values_len = size;
+ value_list.time = time;
+ value_list.interval = interval;
+ sstrncpy(value_list.host, host, sizeof(value_list.host));
+ sstrncpy(value_list.plugin, plugin, sizeof(value_list.plugin));
+ sstrncpy(value_list.plugin_instance, plugin_instance, sizeof(value_list.plugin_instance));
+ sstrncpy(value_list.type, type, sizeof(value_list.type));
+ sstrncpy(value_list.type_instance, type_instance, sizeof(value_list.type_instance));
+ value_list.meta = cpy_build_meta(meta);;
+ if (value_list.host[0] == 0)
+ sstrncpy(value_list.host, hostname_g, sizeof(value_list.host));
+ if (value_list.plugin[0] == 0)
+ sstrncpy(value_list.plugin, "python", sizeof(value_list.plugin));
+ Py_BEGIN_ALLOW_THREADS;
+ ret = plugin_write(dest, NULL, &value_list);
+ Py_END_ALLOW_THREADS;
+ if (ret != 0) {
+ PyErr_SetString(PyExc_RuntimeError, "error dispatching values, read the logs");
+ return NULL;
+ }
+ free(value);
+ Py_RETURN_NONE;
+}
+
+static PyObject *Values_repr(PyObject *s) {
+ PyObject *ret, *tmp;
+ static PyObject *l_interval = NULL, *l_values = NULL, *l_meta = NULL, *l_closing = NULL;
+ Values *self = (Values *) s;
+
+ if (l_interval == NULL)
+ l_interval = cpy_string_to_unicode_or_bytes(",interval=");
+ if (l_values == NULL)
+ l_values = cpy_string_to_unicode_or_bytes(",values=");
+ if (l_meta == NULL)
+ l_meta = cpy_string_to_unicode_or_bytes(",meta=");
+ if (l_closing == NULL)
+ l_closing = cpy_string_to_unicode_or_bytes(")");
+
+ if (l_interval == NULL || l_values == NULL || l_meta == NULL || l_closing == NULL)
+ return NULL;
+
+ ret = cpy_common_repr(s);
+ if (self->interval != 0) {
+ CPY_STRCAT(&ret, l_interval);
+ tmp = PyInt_FromLong(self->interval);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ if (self->values && (!PyList_Check(self->values) || PySequence_Length(self->values) > 0)) {
+ CPY_STRCAT(&ret, l_values);
+ tmp = PyObject_Repr(self->values);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ if (self->meta && (!PyDict_Check(self->meta) || PyDict_Size(self->meta) > 0)) {
+ CPY_STRCAT(&ret, l_meta);
+ tmp = PyObject_Repr(self->meta);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ CPY_STRCAT(&ret, l_closing);
+ return ret;
+}
+
+static int Values_traverse(PyObject *self, visitproc visit, void *arg) {
+ Values *v = (Values *) self;
+ Py_VISIT(v->values);
+ Py_VISIT(v->meta);
+ return 0;
+}
+
+static int Values_clear(PyObject *self) {
+ Values *v = (Values *) self;
+ Py_CLEAR(v->values);
+ Py_CLEAR(v->meta);
+ return 0;
+}
+
+static void Values_dealloc(PyObject *self) {
+ Values_clear(self);
+ self->ob_type->tp_free(self);
+}
+
+static PyMemberDef Values_members[] = {
+ {"interval", T_INT, offsetof(Values, interval), 0, interval_doc},
+ {"values", T_OBJECT_EX, offsetof(Values, values), 0, values_doc},
+ {"meta", T_OBJECT_EX, offsetof(Values, meta), 0, meta_doc},
{NULL}
};
static PyMethodDef Values_methods[] = {
- {"dispatch", (PyCFunction) Values_dispatch, METH_VARARGS | METH_KEYWORDS, "help text"},
+ {"dispatch", (PyCFunction) Values_dispatch, METH_VARARGS | METH_KEYWORDS, dispatch_doc},
+ {"write", (PyCFunction) Values_write, METH_VARARGS | METH_KEYWORDS, write_doc},
{NULL}
};
PyTypeObject ValuesType = {
- PyObject_HEAD_INIT(NULL)
- 0, /* Always 0 */
+ CPY_INIT_TYPE
"collectd.Values", /* tp_name */
sizeof(Values), /* tp_basicsize */
0, /* Will be filled in later */
0, /* tp_setattro */
0, /* tp_as_buffer */
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE | Py_TPFLAGS_HAVE_GC, /*tp_flags*/
- "Cool help text later", /* tp_doc */
+ Values_doc, /* tp_doc */
Values_traverse, /* tp_traverse */
Values_clear, /* tp_clear */
0, /* tp_richcompare */
0, /* tp_iternext */
Values_methods, /* tp_methods */
Values_members, /* tp_members */
- Values_getseters, /* tp_getset */
+ 0, /* tp_getset */
0, /* tp_base */
0, /* tp_dict */
0, /* tp_descr_get */
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;
+ int severity = 0;
+ 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, "|etetetetetetdi", kwlist,
+ NULL, &type, NULL, &message, NULL, &plugin_instance, NULL, &type_instance,
+ NULL, &plugin, NULL, &host, &time, &severity))
+ return -1;
+
+ if (type[0] != 0 && plugin_get_ds(type) == NULL) {
+ PyErr_Format(PyExc_TypeError, "Dataset %s not found", type);
+ return -1;
+ }
+
+ sstrncpy(self->data.host, host, sizeof(self->data.host));
+ sstrncpy(self->data.plugin, plugin, sizeof(self->data.plugin));
+ sstrncpy(self->data.plugin_instance, plugin_instance, sizeof(self->data.plugin_instance));
+ sstrncpy(self->data.type, type, sizeof(self->data.type));
+ sstrncpy(self->data.type_instance, type_instance, sizeof(self->data.type_instance));
+ self->data.time = time;
+
+ 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, "|etetetetetetdi", kwlist,
+ NULL, &type, NULL, &message, NULL, &plugin_instance, NULL, &type_instance,
+ NULL, &plugin, NULL, &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;
+ }
+ Py_INCREF(value);
+ new = cpy_unicode_or_bytes_to_string(&value);
+ if (new == NULL) {
+ Py_DECREF(value);
+ return -1;
+ }
+ old = ((char *) self) + (intptr_t) data;
+ sstrncpy(old, new, NOTIF_MAX_MSG_LEN);
+ Py_DECREF(value);
+ return 0;
+}
+
+static PyObject *Notification_repr(PyObject *s) {
+ PyObject *ret, *tmp;
+ static PyObject *l_severity = NULL, *l_message = NULL, *l_closing = NULL;
+ Notification *self = (Notification *) s;
+
+ if (l_severity == NULL)
+ l_severity = cpy_string_to_unicode_or_bytes(",severity=");
+ if (l_message == NULL)
+ l_message = cpy_string_to_unicode_or_bytes(",message=");
+ if (l_closing == NULL)
+ l_closing = cpy_string_to_unicode_or_bytes(")");
+
+ if (l_severity == NULL || l_message == NULL || l_closing == NULL)
+ return NULL;
+
+ ret = cpy_common_repr(s);
+ if (self->severity != 0) {
+ CPY_STRCAT(&ret, l_severity);
+ tmp = PyInt_FromLong(self->severity);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ if (self->message[0] != 0) {
+ CPY_STRCAT(&ret, l_message);
+ tmp = cpy_string_to_unicode_or_bytes(self->message);
+ CPY_SUBSTITUTE(PyObject_Repr, tmp, tmp);
+ CPY_STRCAT_AND_DEL(&ret, tmp);
+ }
+ CPY_STRCAT(&ret, l_closing);
+ 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 = {
+ CPY_INIT_TYPE
+ "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 */
+};
+
+static char Signed_doc[] = "This is a long by another name. Use it in meta data dicts\n"
+ "to choose the way it is stored in the meta data.";
+
+PyTypeObject SignedType = {
+ CPY_INIT_TYPE
+ "collectd.Signed", /* tp_name */
+ sizeof(Signed), /* tp_basicsize */
+ 0, /* Will be filled in later */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ 0, /* 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*/
+ Signed_doc /* tp_doc */
+};
+
+static char Unsigned_doc[] = "This is a long by another name. Use it in meta data dicts\n"
+ "to choose the way it is stored in the meta data.";
+
+PyTypeObject UnsignedType = {
+ CPY_INIT_TYPE
+ "collectd.Unsigned", /* tp_name */
+ sizeof(Unsigned), /* tp_basicsize */
+ 0, /* Will be filled in later */
+ 0, /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_compare */
+ 0, /* 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*/
+ Unsigned_doc /* tp_doc */
+};
projects / collectd.git / blobdiff