X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fpython.c;h=61d464d82957ece7ac4300389dd077344404770e;hb=edd9af8a874ebc9f2a7f02846807229a648917db;hp=b90902498d69fdb1b48e3048ac6515dda3200399;hpb=4ac3040668e7a9b595edd334a9179a5f6ae42461;p=collectd.git diff --git a/src/python.c b/src/python.c index b9090249..61d464d8 100644 --- a/src/python.c +++ b/src/python.c @@ -21,16 +21,13 @@ * DEALINGS IN THE SOFTWARE. * * Authors: - * Sven Trenkel + * Sven Trenkel **/ #include #include #include -#if HAVE_PTHREAD_H -# include -#endif #include "collectd.h" #include "common.h" @@ -250,16 +247,16 @@ static void cpy_destroy_user_data(void *data) { 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); @@ -267,7 +264,7 @@ static void cpy_build_name(char *buf, size_t size, PyObject *callback, const cha return; } Py_XDECREF(mod); - + snprintf(buf, size, "python.%p", callback); PyErr_Clear(); } @@ -276,7 +273,7 @@ void cpy_log_exception(const char *context) { 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; @@ -402,7 +399,7 @@ static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_li 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)) @@ -540,7 +537,7 @@ static PyObject *cpy_register_generic(cpy_callback_t **list_head, PyObject *args 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); @@ -552,10 +549,9 @@ static PyObject *cpy_register_generic(cpy_callback_t **list_head, PyObject *args Py_INCREF(callback); Py_XINCREF(data); - c = malloc(sizeof(*c)); + c = calloc(1, sizeof(*c)); if (c == NULL) return NULL; - memset (c, 0, sizeof (*c)); c->name = strdup(buf); c->callback = callback; @@ -603,7 +599,7 @@ static PyObject *cpy_flush(PyObject *self, PyObject *args, PyObject *kwds) { 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); @@ -631,7 +627,7 @@ static PyObject *cpy_register_generic_userdata(void *reg, void *handler, PyObjec 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); @@ -640,14 +636,13 @@ static PyObject *cpy_register_generic_userdata(void *reg, void *handler, PyObjec } 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; - memset (c, 0, sizeof (*c)); c->name = strdup(buf); c->callback = callback; @@ -670,7 +665,7 @@ static PyObject *cpy_register_read(PyObject *self, PyObject *args, PyObject *kwd 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); @@ -679,14 +674,13 @@ static PyObject *cpy_register_read(PyObject *self, PyObject *args, PyObject *kwd } 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; - memset (c, 0, sizeof (*c)); c->name = strdup(buf); c->callback = callback; @@ -903,7 +897,7 @@ static PyMethodDef cpy_methods[] = { 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); @@ -927,14 +921,14 @@ static void cpy_int_handler(int sig) { 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. @@ -947,7 +941,7 @@ static void *cpy_interactive(void *data) { 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); @@ -976,7 +970,7 @@ static int cpy_init(void) { PyObject *ret; static pthread_t thread; sigset_t sigset; - + if (!Py_IsInitialized()) { WARNING("python: Plugin loaded but not configured."); plugin_unregister_shutdown("python"); @@ -1007,10 +1001,10 @@ static int cpy_init(void) { 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) { @@ -1021,7 +1015,7 @@ static PyObject *cpy_oconfig_to_pyconfig(oconfig_item_t *ci, PyObject *parent) { 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) @@ -1061,9 +1055,9 @@ static int cpy_init_python(void) { #else char *argv = ""; #endif - + Py_Initialize(); - + PyType_Ready(&ConfigType); PyType_Ready(&PluginDataType); ValuesType.tp_base = &PluginDataType; @@ -1128,7 +1122,7 @@ static int cpy_config(oconfig_item_t *ci) { 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; @@ -1165,8 +1159,8 @@ static int cpy_config(oconfig_item_t *ci) { } 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) { @@ -1186,8 +1180,8 @@ static int cpy_config(oconfig_item_t *ci) { } 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) { @@ -1200,7 +1194,7 @@ static int cpy_config(oconfig_item_t *ci) { 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) {