* DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Sven Trenkel <collectd at semidefinite.de>
+ * Sven Trenkel <collectd at semidefinite.de>
**/
#include <Python.h>
static void cpy_build_name(char *buf, size_t size, PyObject *callback, const char *name) {
const char *module = NULL;
PyObject *mod = NULL;
-
+
if (name != NULL) {
snprintf(buf, size, "python.%s", name);
return;
}
-
+
mod = PyObject_GetAttrString(callback, "__module__"); /* New reference. */
if (mod != NULL)
module = cpy_unicode_or_bytes_to_string(&mod);
-
+
if (module != NULL) {
snprintf(buf, size, "python.%s", module);
Py_XDECREF(mod);
return;
}
Py_XDECREF(mod);
-
+
snprintf(buf, size, "python.%p", callback);
PyErr_Clear();
}
int l = 0, i;
const char *typename = NULL, *message = NULL;
PyObject *type, *value, *traceback, *tn, *m, *list;
-
+
PyErr_Fetch(&type, &value, &traceback);
PyErr_NormalizeException(&type, &value, &traceback);
if (type == NULL) return;
list = PyObject_CallFunction(cpy_format_exception, "NNN", type, value, traceback); /* New reference. Steals references from "type", "value" and "traceback". */
if (list)
l = PyObject_Length(list);
+
for (i = 0; i < l; ++i) {
- char *s;
PyObject *line;
-
+ char const *msg;
+ char *cpy;
+
line = PyList_GET_ITEM(list, i); /* Borrowed reference. */
Py_INCREF(line);
- s = strdup(cpy_unicode_or_bytes_to_string(&line));
+
+ msg = cpy_unicode_or_bytes_to_string(&line);
Py_DECREF(line);
- if (s[strlen(s) - 1] == '\n')
- s[strlen(s) - 1] = 0;
+ if (msg == NULL)
+ continue;
+
+ cpy = strdup(msg);
+ if (cpy == NULL)
+ continue;
+
+ if (cpy[strlen(cpy) - 1] == '\n')
+ cpy[strlen(cpy) - 1] = 0;
+
Py_BEGIN_ALLOW_THREADS
- ERROR("%s", s);
+ ERROR("%s", cpy);
Py_END_ALLOW_THREADS
- free(s);
+
+ free(cpy);
}
+
Py_XDECREF(list);
PyErr_Clear();
}
}
dict = PyDict_New(); /* New reference. */
if (value_list->meta) {
- int i, num;
+ int num;
char **table;
meta_data_t *meta = value_list->meta;
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))
char *name = NULL;
PyObject *callback = NULL, *data = NULL, *mod = NULL;
static char *kwlist[] = {"callback", "data", "name", NULL};
-
+
if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oet", kwlist, &callback, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyMem_Free(name);
Py_INCREF(callback);
Py_XINCREF(data);
- c = malloc(sizeof(*c));
+
+ c = calloc(1, sizeof(*c));
+ if (c == NULL)
+ return NULL;
+
c->name = strdup(buf);
c->callback = callback;
c->data = data;
int timeout = -1;
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);
char buf[512];
reg_function_t *register_function = (reg_function_t *) reg;
cpy_callback_t *c = NULL;
- user_data_t *user_data = NULL;
+ user_data_t user_data;
char *name = NULL;
PyObject *callback = NULL, *data = NULL;
static char *kwlist[] = {"callback", "data", "name", NULL};
-
+
if (PyArg_ParseTupleAndKeywords(args, kwds, "O|Oet", kwlist, &callback, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyMem_Free(name);
}
cpy_build_name(buf, sizeof(buf), callback, name);
PyMem_Free(name);
-
+
Py_INCREF(callback);
Py_XINCREF(data);
- c = malloc(sizeof(*c));
+
+ c = calloc(1, sizeof(*c));
+ if (c == NULL)
+ return NULL;
+
c->name = strdup(buf);
c->callback = callback;
c->data = data;
c->next = NULL;
- user_data = malloc(sizeof(*user_data));
- user_data->free_func = cpy_destroy_user_data;
- user_data->data = c;
- register_function(buf, handler, user_data);
+
+ memset (&user_data, 0, sizeof (user_data));
+ user_data.free_func = cpy_destroy_user_data;
+ user_data.data = c;
+
+ register_function(buf, handler, &user_data);
return cpy_string_to_unicode_or_bytes(buf);
}
static PyObject *cpy_register_read(PyObject *self, PyObject *args, PyObject *kwds) {
char buf[512];
cpy_callback_t *c = NULL;
- user_data_t *user_data = NULL;
+ user_data_t user_data;
double interval = 0;
char *name = NULL;
PyObject *callback = NULL, *data = NULL;
static char *kwlist[] = {"callback", "interval", "data", "name", NULL};
-
+
if (PyArg_ParseTupleAndKeywords(args, kwds, "O|dOet", kwlist, &callback, &interval, &data, NULL, &name) == 0) return NULL;
if (PyCallable_Check(callback) == 0) {
PyMem_Free(name);
}
cpy_build_name(buf, sizeof(buf), callback, name);
PyMem_Free(name);
-
+
Py_INCREF(callback);
Py_XINCREF(data);
- c = malloc(sizeof(*c));
+
+ c = calloc(1, sizeof(*c));
+ if (c == NULL)
+ return NULL;
+
c->name = strdup(buf);
c->callback = callback;
c->data = data;
c->next = NULL;
- user_data = malloc(sizeof(*user_data));
- user_data->free_func = cpy_destroy_user_data;
- user_data->data = c;
- plugin_register_complex_read(/* group = */ NULL, buf,
- cpy_read_callback, DOUBLE_TO_CDTIME_T (interval), user_data);
+
+ memset (&user_data, 0, sizeof (user_data));
+ user_data.free_func = cpy_destroy_user_data;
+ user_data.data = c;
+
+ plugin_register_complex_read(/* group = */ "python", buf,
+ cpy_read_callback, DOUBLE_TO_CDTIME_T (interval), &user_data);
return cpy_string_to_unicode_or_bytes(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);
static int cpy_shutdown(void) {
cpy_callback_t *c;
PyObject *ret;
-
+
/* This can happen if the module was loaded but not configured. */
if (state != NULL)
PyEval_RestoreThread(state);
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.
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);
PyObject *ret;
static pthread_t thread;
sigset_t sigset;
-
+
if (!Py_IsInitialized()) {
WARNING("python: Plugin loaded but not configured.");
plugin_unregister_shutdown("python");
static PyObject *cpy_oconfig_to_pyconfig(oconfig_item_t *ci, PyObject *parent) {
int i;
PyObject *item, *values, *children, *tmp;
-
+
if (parent == NULL)
parent = Py_None;
-
+
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, PyBool_FromLong(ci->values[i].value.boolean));
}
}
-
+
tmp = cpy_string_to_unicode_or_bytes(ci->key);
item = PyObject_CallFunction((void *) &ConfigType, "NONO", tmp, parent, values, Py_None);
if (item == NULL)
}
#endif
-static int cpy_init_python() {
+static int cpy_init_python(void) {
PyObject *sys;
PyObject *module;
#else
char *argv = "";
#endif
-
+
Py_Initialize();
-
+
PyType_Ready(&ConfigType);
PyType_Ready(&PluginDataType);
ValuesType.tp_base = &PluginDataType;
for (i = 0; i < ci->children_num; ++i) {
oconfig_item_t *item = ci->children + i;
-
+
if (strcasecmp(item->key, "Interactive") == 0) {
if (item->values_num != 1 || item->values[0].type != OCONFIG_TYPE_BOOLEAN)
continue;
} else if (strcasecmp(item->key, "ModulePath") == 0) {
char *dir = NULL;
PyObject *dir_object;
-
- if (cf_util_get_string(item, &dir) != 0)
+
+ if (cf_util_get_string(item, &dir) != 0)
continue;
dir_object = cpy_string_to_unicode_or_bytes(dir); /* New reference. */
if (dir_object == NULL) {
} else if (strcasecmp(item->key, "Import") == 0) {
char *module_name = NULL;
PyObject *module;
-
- if (cf_util_get_string(item, &module_name) != 0)
+
+ if (cf_util_get_string(item, &module_name) != 0)
continue;
module = PyImport_ImportModule(module_name); /* New reference. */
if (module == NULL) {
char *name = NULL;
cpy_callback_t *c;
PyObject *ret;
-
+
if (cf_util_get_string(item, &name) != 0)
continue;
for (c = cpy_config_callbacks; c; c = c->next) {
projects / collectd.git / blobdiff