%include <babeltrace2/graph/self-component-class-sink.h>
%{
+#include "logging/comp-logging.h"
+
/*
* This hash table associates a BT component class object address to a
* user-defined Python class (PyObject *). The keys and values are NOT
static PyObject *py_mod_bt2 = NULL;
static PyObject *py_mod_bt2_exc_error_type = NULL;
+static PyObject *py_mod_bt2_exc_memory_error = NULL;
static PyObject *py_mod_bt2_exc_try_again_type = NULL;
static PyObject *py_mod_bt2_exc_stop_type = NULL;
-static PyObject *py_mod_bt2_exc_msg_iter_canceled_type = NULL;
-static PyObject *py_mod_bt2_exc_invalid_object_type = NULL;
-static PyObject *py_mod_bt2_exc_invalid_params_type = NULL;
-static PyObject *py_mod_bt2_exc_unsupported_type = NULL;
+static PyObject *py_mod_bt2_exc_unknown_object_type = NULL;
static
void bt_bt2_cc_init_from_bt2(void)
py_mod_bt2 = PyImport_ImportModule("bt2");
BT_ASSERT(py_mod_bt2);
py_mod_bt2_exc_error_type =
- PyObject_GetAttrString(py_mod_bt2, "Error");
+ PyObject_GetAttrString(py_mod_bt2, "_Error");
BT_ASSERT(py_mod_bt2_exc_error_type);
+ py_mod_bt2_exc_memory_error =
+ PyObject_GetAttrString(py_mod_bt2, "_MemoryError");
+ BT_ASSERT(py_mod_bt2_exc_memory_error);
py_mod_bt2_exc_try_again_type =
PyObject_GetAttrString(py_mod_bt2, "TryAgain");
BT_ASSERT(py_mod_bt2_exc_try_again_type);
py_mod_bt2_exc_stop_type =
PyObject_GetAttrString(py_mod_bt2, "Stop");
BT_ASSERT(py_mod_bt2_exc_stop_type);
- py_mod_bt2_exc_invalid_object_type =
- PyObject_GetAttrString(py_mod_bt2, "InvalidObject");
- BT_ASSERT(py_mod_bt2_exc_invalid_object_type);
- py_mod_bt2_exc_invalid_params_type =
- PyObject_GetAttrString(py_mod_bt2, "InvalidParams");
- BT_ASSERT(py_mod_bt2_exc_invalid_params_type);
- py_mod_bt2_exc_unsupported_type =
- PyObject_GetAttrString(py_mod_bt2, "Unsupported");
- BT_ASSERT(py_mod_bt2_exc_unsupported_type);
+ py_mod_bt2_exc_unknown_object_type =
+ PyObject_GetAttrString(py_mod_bt2, "UnknownObject");
+ BT_ASSERT(py_mod_bt2_exc_unknown_object_type);
}
static
Py_XDECREF(py_mod_bt2_exc_error_type);
Py_XDECREF(py_mod_bt2_exc_try_again_type);
Py_XDECREF(py_mod_bt2_exc_stop_type);
- Py_XDECREF(py_mod_bt2_exc_msg_iter_canceled_type);
- Py_XDECREF(py_mod_bt2_exc_invalid_object_type);
- Py_XDECREF(py_mod_bt2_exc_invalid_params_type);
+ Py_XDECREF(py_mod_bt2_exc_unknown_object_type);
}
}
}
+static
+void restore_current_thread_error_and_append_exception_chain_recursive(
+ int active_log_level, PyObject *py_exc_value,
+ bt_self_component_class *self_component_class,
+ bt_self_component *self_component,
+ bt_self_message_iterator *self_message_iterator,
+ const char *module_name)
+{
+ PyObject *py_exc_cause_value;
+ PyObject *py_exc_type = NULL;
+ PyObject *py_exc_tb = NULL;
+ GString *gstr = NULL;
+
+ /* If this exception has a cause, handle that one first. */
+ py_exc_cause_value = PyException_GetCause(py_exc_value);
+ if (py_exc_cause_value) {
+ restore_current_thread_error_and_append_exception_chain_recursive(
+ active_log_level, py_exc_cause_value,
+ self_component_class, self_component,
+ self_message_iterator, module_name);
+ }
+
+ /*
+ * If the raised exception is a bt2._Error, restore the wrapped error.
+ */
+ if (PyErr_GivenExceptionMatches(py_exc_value, py_mod_bt2_exc_error_type)) {
+ PyObject *py_error_swig_ptr;
+ const bt_error *error;
+ int ret;
+
+ /*
+ * We never raise a bt2._Error with a cause: it should be the
+ * end of the chain.
+ */
+ BT_ASSERT(!py_exc_cause_value);
+
+ /*
+ * We steal the error object from the exception, to move
+ * it back as the current thread's error.
+ */
+ py_error_swig_ptr = PyObject_GetAttrString(py_exc_value, "_ptr");
+ BT_ASSERT(py_error_swig_ptr);
+
+ ret = PyObject_SetAttrString(py_exc_value, "_ptr", Py_None);
+ BT_ASSERT(ret == 0);
+
+ ret = SWIG_ConvertPtr(py_error_swig_ptr, (void **) &error,
+ SWIGTYPE_p_bt_error, 0);
+ BT_ASSERT(ret == 0);
+
+ BT_CURRENT_THREAD_MOVE_ERROR_AND_RESET(error);
+
+ Py_DECREF(py_error_swig_ptr);
+ }
+
+ py_exc_type = PyObject_Type(py_exc_value);
+ py_exc_tb = PyException_GetTraceback(py_exc_value);
+
+ gstr = bt_py_common_format_exception(py_exc_type, py_exc_value,
+ py_exc_tb, active_log_level, false);
+ if (!gstr) {
+ /* bt_py_common_format_exception has already warned. */
+ goto end;
+ }
+
+ if (self_component_class) {
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT_CLASS(
+ self_component_class, "%s", gstr->str);
+ } else if (self_component) {
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_COMPONENT(
+ self_component, "%s", gstr->str);
+ } else if (self_message_iterator) {
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_MESSAGE_ITERATOR(
+ self_message_iterator, "%s", gstr->str);
+ } else {
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(
+ module_name, "%s", gstr->str);
+ }
+
+end:
+ if (gstr) {
+ g_string_free(gstr, TRUE);
+ }
+
+ Py_XDECREF(py_exc_cause_value);
+ Py_XDECREF(py_exc_type);
+ Py_XDECREF(py_exc_tb);
+}
+
+/*
+ * If you have the following code:
+ *
+ * try:
+ * try:
+ * something_that_raises_bt2_error()
+ * except bt2._Error as e1:
+ * raise ValueError from e1
+ * except ValueError as e2:
+ * raise TypeError from e2
+ *
+ * We will have the following exception chain:
+ *
+ * TypeError -> ValueError -> bt2._Error
+ *
+ * Where the TypeError is the current exception (obtained from PyErr_Fetch).
+ *
+ * The bt2._Error contains a `struct bt_error *` that used to be the current
+ * thread's error, at the moment the exception was raised.
+ *
+ * This function gets to the bt2._Error and restores the wrapped
+ * `struct bt_error *` as the current thread's error.
+ *
+ * Then, for each exception in the chain, starting with the oldest one, it adds
+ * an error cause to the current thread's error.
+ */
+static
+void restore_bt_error_and_append_current_exception_chain(
+ int active_log_level,
+ bt_self_component_class *self_component_class,
+ bt_self_component *self_component,
+ bt_self_message_iterator *self_message_iterator,
+ const char *module_name)
+{
+ BT_ASSERT(PyErr_Occurred());
+
+ /* Used to access and restore the current exception. */
+ PyObject *py_exc_type;
+ PyObject *py_exc_value;
+ PyObject *py_exc_tb;
+
+ /* Fetch and normalize the Python exception. */
+ PyErr_Fetch(&py_exc_type, &py_exc_value, &py_exc_tb);
+ PyErr_NormalizeException(&py_exc_type, &py_exc_value, &py_exc_tb);
+ BT_ASSERT(py_exc_type);
+ BT_ASSERT(py_exc_value);
+ BT_ASSERT(py_exc_tb);
+
+ /*
+ * Set the exception's traceback so it's possible to get it using
+ * PyException_GetTraceback in
+ * restore_current_thread_error_and_append_exception_chain_recursive.
+ */
+ PyException_SetTraceback(py_exc_value, py_exc_tb);
+
+ restore_current_thread_error_and_append_exception_chain_recursive(
+ active_log_level, py_exc_value, self_component_class,
+ self_component, self_message_iterator, module_name);
+
+ PyErr_Restore(py_exc_type, py_exc_value, py_exc_tb);
+}
+
static inline
-void log_exception(int log_level)
+void log_exception_and_maybe_append_error(int func_log_level,
+ int active_log_level, bool append_error,
+ bt_self_component_class *self_component_class,
+ bt_self_component *self_component,
+ bt_self_message_iterator *self_message_iterator,
+ const char *module_name)
{
GString *gstr;
- BT_ASSERT(PyErr_Occurred() != NULL);
- gstr = bt_py_common_format_exception(BT_LOG_OUTPUT_LEVEL);
+ BT_ASSERT(PyErr_Occurred());
+ gstr = bt_py_common_format_current_exception(active_log_level);
if (!gstr) {
- /* bt_py_common_format_exception() logs errors */
+ /* bt_py_common_format_current_exception() logs errors */
goto end;
}
- BT_LOG_WRITE(log_level, BT_LOG_TAG, "%s", gstr->str);
+ BT_COMP_LOG_CUR_LVL(func_log_level, active_log_level, self_component,
+ "%s", gstr->str);
+
+ if (append_error) {
+ restore_bt_error_and_append_current_exception_chain(
+ active_log_level, self_component_class, self_component,
+ self_message_iterator, module_name);
+
+ }
end:
if (gstr) {
}
}
+static
+bt_logging_level get_self_component_log_level(bt_self_component *self_comp)
+{
+ return bt_component_get_logging_level(
+ bt_self_component_as_component(self_comp));
+}
+
+static
+bt_logging_level get_self_message_iterator_log_level(
+ bt_self_message_iterator *self_msg_iter)
+{
+ bt_self_component *self_comp =
+ bt_self_message_iterator_borrow_component(self_msg_iter);
+
+ return get_self_component_log_level(self_comp);
+}
+
static inline
-void loge_exception(void)
+void loge_exception(const char *module_name, int active_log_level)
+{
+ log_exception_and_maybe_append_error(BT_LOG_ERROR, active_log_level,
+ true, NULL, NULL, NULL, module_name);
+}
+
+static
+void loge_exception_message_iterator(
+ bt_self_message_iterator *self_message_iterator)
{
- log_exception(BT_LOG_ERROR);
+ bt_logging_level log_level = get_self_message_iterator_log_level(
+ self_message_iterator);
+
+ log_exception_and_maybe_append_error(BT_LOG_ERROR, log_level,
+ true, NULL, NULL, self_message_iterator, NULL);
}
static inline
-void logw_exception(void)
+void logw_exception(int active_log_level)
{
- log_exception(BT_LOG_WARNING);
+ log_exception_and_maybe_append_error(BT_LOG_WARNING, active_log_level,
+ false, NULL, NULL, NULL, NULL);
}
static inline
-int py_exc_to_status(void)
+int py_exc_to_status(bt_self_component_class *self_component_class,
+ bt_self_component *self_component,
+ bt_self_message_iterator *self_message_iterator,
+ const char *module_name, int active_log_level)
{
int status = __BT_FUNC_STATUS_OK;
PyObject *exc = PyErr_Occurred();
py_mod_bt2_exc_stop_type)) {
status = __BT_FUNC_STATUS_END;
} else if (PyErr_GivenExceptionMatches(exc,
- py_mod_bt2_exc_invalid_object_type)) {
- status = __BT_FUNC_STATUS_INVALID_OBJECT;
- } else if (PyErr_GivenExceptionMatches(exc,
- py_mod_bt2_exc_invalid_params_type)) {
- status = __BT_FUNC_STATUS_INVALID_PARAMS;
- } else if (PyErr_GivenExceptionMatches(exc,
- py_mod_bt2_exc_unsupported_type)) {
- status = __BT_FUNC_STATUS_UNSUPPORTED;
+ py_mod_bt2_exc_unknown_object_type)) {
+ status = __BT_FUNC_STATUS_UNKNOWN_OBJECT;
} else {
- /* Unknown exception: convert to general error */
- logw_exception();
- status = __BT_FUNC_STATUS_ERROR;
+ /*
+ * Unknown exception: convert to general error.
+ *
+ * Because we only want to fetch the log level when
+ * we actually get an exception, and not systematically
+ * when we call py_exc_to_status() (as py_exc_to_status()
+ * can return `__BT_FUNC_STATUS_OK`), we get it here
+ * depending on the actor's type.
+ */
+ if (self_component) {
+ active_log_level = get_self_component_log_level(
+ self_component);
+ } else if (self_message_iterator) {
+ active_log_level = get_self_message_iterator_log_level(
+ self_message_iterator);
+ }
+
+ BT_ASSERT(active_log_level != -1);
+ log_exception_and_maybe_append_error(BT_LOG_WARNING,
+ active_log_level, true,
+ self_component_class, self_component,
+ self_message_iterator, module_name);
+
+ if (PyErr_GivenExceptionMatches(exc,
+ py_mod_bt2_exc_memory_error)) {
+ status = __BT_FUNC_STATUS_MEMORY_ERROR;
+ } else {
+ status = __BT_FUNC_STATUS_ERROR;
+ }
}
end:
return status;
}
+static
+int py_exc_to_status_component_class(
+ bt_self_component_class *self_component_class,
+ int active_log_level)
+{
+ return py_exc_to_status(self_component_class, NULL, NULL, NULL,
+ active_log_level);
+}
+
+static
+int py_exc_to_status_component(bt_self_component *self_component)
+{
+ return py_exc_to_status(NULL, self_component, NULL, NULL, -1);
+}
+
+static
+int py_exc_to_status_message_iterator(
+ bt_self_message_iterator *self_message_iterator)
+{
+ return py_exc_to_status(NULL, NULL, self_message_iterator, NULL, -1);
+}
+
/* Component class proxy methods (delegate to the attached Python object) */
static
PyObject *py_comp = NULL;
PyObject *py_params_ptr = NULL;
PyObject *py_comp_ptr = NULL;
+ bt_logging_level log_level = get_self_component_log_level(
+ self_component);
(void) init_method_data;
*/
py_cls = lookup_cc_ptr_to_py_cls(component_class);
if (!py_cls) {
- BT_LOGE("Cannot find Python class associated to native component class: "
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Cannot find Python class associated to native component class: "
"comp-cls-addr=%p", component_class);
goto error;
}
py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params),
SWIGTYPE_p_bt_value, 0);
if (!py_params_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Failed to create a SWIG pointer object.");
goto error;
}
py_comp_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_v),
self_comp_cls_type_swig_type, 0);
if (!py_comp_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Failed to create a SWIG pointer object.");
goto error;
}
py_comp = PyObject_CallMethod(py_cls,
"_bt_init_from_native", "(OO)", py_comp_ptr, py_params_ptr);
if (!py_comp) {
- BT_LOGW("Failed to call Python class's _bt_init_from_native() method: "
+ BT_COMP_LOG_CUR_LVL(BT_LOG_WARNING, log_level, self_component,
+ "Failed to call Python class's _bt_init_from_native() method: "
"py-cls-addr=%p", py_cls);
- logw_exception();
- goto error;
+ status = py_exc_to_status_component(self_component);
+ goto end;
}
/*
PyObject *py_comp = bt_self_component_get_data(self_component);
BT_ASSERT(py_comp);
- /* Call user's _finalize() method */
+ /* Call user's _user_finalize() method */
PyObject *py_method_result = PyObject_CallMethod(py_comp,
- "_finalize", NULL);
+ "_user_finalize", NULL);
if (PyErr_Occurred()) {
- BT_LOGW("User component's _finalize() method raised an exception: ignoring:");
- logw_exception();
+ bt_logging_level log_level = get_self_component_log_level(
+ self_component);
+
+ BT_COMP_LOG_CUR_LVL(BT_LOG_WARNING, log_level, self_component,
+ "User component's _user_finalize() method raised an exception: ignoring:");
+ logw_exception(log_level);
}
/*
- * Ignore any exception raised by the _finalize() method because
- * it won't change anything at this point: the component is
- * being destroyed anyway.
+ * Ignore any exception raised by the _user_finalize() method
+ * because it won't change anything at this point: the component
+ * is being destroyed anyway.
*/
PyErr_Clear();
Py_XDECREF(py_method_result);
* Once can_seek_beginning can report errors, convert the
* exception to a status. For now, log and return false;
*/
- loge_exception();
+ loge_exception_message_iterator(self_message_iterator);
PyErr_Clear();
}
py_result = PyObject_CallMethod(py_iter, "_bt_seek_beginning_from_native",
NULL);
BT_ASSERT(!py_result || py_result == Py_None);
- status = py_exc_to_status();
+ status = py_exc_to_status_message_iterator(self_message_iterator);
Py_XDECREF(py_result);
return status;
}
PyObject *py_self_port_ptr = NULL;
PyObject *py_other_port_ptr = NULL;
PyObject *py_method_result = NULL;
+ bt_logging_level log_level = get_self_component_log_level(
+ self_component);
py_comp = bt_self_component_get_data(self_component);
BT_ASSERT(py_comp);
py_self_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_component_port),
self_component_port_swig_type, 0);
if (!py_self_port_ptr) {
- BT_LOGF_STR("Failed to create a SWIG pointer object.");
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Failed to create a SWIG pointer object.");
status = __BT_FUNC_STATUS_MEMORY_ERROR;
goto end;
}
py_other_port_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(other_port),
other_port_swig_type, 0);
if (!py_other_port_ptr) {
- BT_LOGF_STR("Failed to create a SWIG pointer object.");
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Failed to create a SWIG pointer object.");
status = __BT_FUNC_STATUS_MEMORY_ERROR;
goto end; }
"_bt_port_connected_from_native", "(OiO)", py_self_port_ptr,
self_component_port_type, py_other_port_ptr);
BT_ASSERT(!py_method_result || py_method_result == Py_None);
- status = py_exc_to_status();
+ status = py_exc_to_status_component(self_component);
end:
Py_XDECREF(py_self_port_ptr);
py_method_result = PyObject_CallMethod(py_comp,
"_bt_graph_is_configured_from_native", NULL);
BT_ASSERT(!py_method_result || py_method_result == Py_None);
- status = py_exc_to_status();
+ status = py_exc_to_status_component(self_component);
Py_XDECREF(py_method_result);
return status;
}
static
bt_component_class_query_method_status component_class_query(
const bt_component_class *component_class,
- const bt_query_executor *query_executor,
+ bt_self_component_class *self_component_class,
+ bt_private_query_executor *priv_query_executor,
const char *object, const bt_value *params,
- bt_logging_level log_level,
const bt_value **result)
{
PyObject *py_cls = NULL;
PyObject *py_params_ptr = NULL;
- PyObject *py_query_exec_ptr = NULL;
+ PyObject *py_priv_query_exec_ptr = NULL;
PyObject *py_query_func = NULL;
PyObject *py_object = NULL;
PyObject *py_results_addr = NULL;
bt_component_class_query_method_status status = __BT_FUNC_STATUS_OK;
+ const bt_query_executor *query_exec =
+ bt_private_query_executor_as_query_executor_const(
+ priv_query_executor);
+ bt_logging_level log_level =
+ bt_query_executor_get_logging_level(query_exec);
py_cls = lookup_cc_ptr_to_py_cls(component_class);
if (!py_cls) {
- BT_LOGE("Cannot find Python class associated to native component class: "
+ BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, BT_LOG_TAG,
+ "Cannot find Python class associated to native component class: "
"comp-cls-addr=%p", component_class);
goto error;
}
py_params_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(params),
SWIGTYPE_p_bt_value, 0);
if (!py_params_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, BT_LOG_TAG,
+ "Failed to create a SWIG pointer object.");
goto error;
}
- py_query_exec_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(query_executor),
- SWIGTYPE_p_bt_query_executor, 0);
- if (!py_query_exec_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ py_priv_query_exec_ptr = SWIG_NewPointerObj(
+ SWIG_as_voidptr(priv_query_executor),
+ SWIGTYPE_p_bt_private_query_executor, 0);
+ if (!py_priv_query_exec_ptr) {
+ BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, BT_LOG_TAG,
+ "Failed to create a SWIG pointer object.");
goto error;
}
py_object = SWIG_FromCharPtr(object);
if (!py_object) {
- BT_LOGE_STR("Failed to create a Python string.");
+ BT_LOG_WRITE_CUR_LVL(BT_LOG_ERROR, log_level, BT_LOG_TAG,
+ "Failed to create a Python string.");
goto error;
}
py_results_addr = PyObject_CallMethod(py_cls,
- "_bt_query_from_native", "(OOOi)", py_query_exec_ptr,
- py_object, py_params_ptr, (int) log_level);
+ "_bt_query_from_native", "(OOO)", py_priv_query_exec_ptr,
+ py_object, py_params_ptr);
if (!py_results_addr) {
- BT_LOGW("Failed to call Python class's _bt_query_from_native() method: "
+ BT_LOG_WRITE_CUR_LVL(BT_LOG_WARNING, log_level, BT_LOG_TAG,
+ "Failed to call Python class's _bt_query_from_native() method: "
"py-cls-addr=%p", py_cls);
- status = py_exc_to_status();
+ status = py_exc_to_status_component_class(self_component_class,
+ log_level);
goto end;
}
end:
Py_XDECREF(py_params_ptr);
- Py_XDECREF(py_query_exec_ptr);
+ Py_XDECREF(py_priv_query_exec_ptr);
Py_XDECREF(py_query_func);
Py_XDECREF(py_object);
Py_XDECREF(py_results_addr);
static
bt_component_class_query_method_status component_class_source_query(
bt_self_component_class_source *self_component_class_source,
- const bt_query_executor *query_executor,
+ bt_private_query_executor *priv_query_executor,
const char *object, const bt_value *params,
- bt_logging_level log_level,
const bt_value **result)
{
const bt_component_class_source *component_class_source = bt_self_component_class_source_as_component_class_source(self_component_class_source);
const bt_component_class *component_class = bt_component_class_source_as_component_class_const(component_class_source);
+ bt_self_component_class *self_component_class = bt_self_component_class_source_as_self_component_class(self_component_class_source);
- return component_class_query(component_class, query_executor, object, params, log_level, result);
+ return component_class_query(component_class, self_component_class,
+ priv_query_executor, object, params, result);
}
static
bt_component_class_query_method_status component_class_filter_query(
bt_self_component_class_filter *self_component_class_filter,
- const bt_query_executor *query_executor,
+ bt_private_query_executor *priv_query_executor,
const char *object, const bt_value *params,
- bt_logging_level log_level,
const bt_value **result)
{
const bt_component_class_filter *component_class_filter = bt_self_component_class_filter_as_component_class_filter(self_component_class_filter);
const bt_component_class *component_class = bt_component_class_filter_as_component_class_const(component_class_filter);
+ bt_self_component_class *self_component_class = bt_self_component_class_filter_as_self_component_class(self_component_class_filter);
- return component_class_query(component_class, query_executor, object, params, log_level, result);
+ return component_class_query(component_class, self_component_class,
+ priv_query_executor, object, params, result);
}
static
bt_component_class_query_method_status component_class_sink_query(
bt_self_component_class_sink *self_component_class_sink,
- const bt_query_executor *query_executor,
+ bt_private_query_executor *priv_query_executor,
const char *object, const bt_value *params,
- bt_logging_level log_level,
const bt_value **result)
{
const bt_component_class_sink *component_class_sink = bt_self_component_class_sink_as_component_class_sink(self_component_class_sink);
const bt_component_class *component_class = bt_component_class_sink_as_component_class_const(component_class_sink);
+ bt_self_component_class *self_component_class = bt_self_component_class_sink_as_self_component_class(self_component_class_sink);
- return component_class_query(component_class, query_executor, object, params, log_level, result);
+ return component_class_query(component_class, self_component_class,
+ priv_query_executor, object, params, result);
}
static
PyObject *py_init_method_result = NULL;
PyObject *py_iter = NULL;
PyObject *py_comp;
+ bt_logging_level log_level = get_self_component_log_level(
+ self_component);
py_comp = bt_self_component_get_data(self_component);
/* Find user's Python message iterator class */
py_comp_cls = PyObject_GetAttrString(py_comp, "__class__");
if (!py_comp_cls) {
- BT_LOGE_STR("Cannot get Python object's `__class__` attribute.");
- goto error;
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Cannot get Python object's `__class__` attribute.");
+ goto python_error;
}
py_iter_cls = PyObject_GetAttrString(py_comp_cls, "_iter_cls");
if (!py_iter_cls) {
- BT_LOGE_STR("Cannot get Python class's `_iter_cls` attribute.");
- goto error;
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Cannot get Python class's `_iter_cls` attribute.");
+ goto python_error;
}
py_iter_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(self_message_iterator),
SWIGTYPE_p_bt_self_message_iterator, 0);
if (!py_iter_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ const char *err = "Failed to create a SWIG pointer object.";
+
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "%s", err);
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_MESSAGE_ITERATOR(
+ self_message_iterator, err);
goto error;
}
py_iter = PyObject_CallMethod(py_iter_cls, "__new__",
"(OO)", py_iter_cls, py_iter_ptr);
if (!py_iter) {
- BT_LOGE("Failed to call Python class's __new__() method: "
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "Failed to call Python class's __new__() method: "
"py-cls-addr=%p", py_iter_cls);
- loge_exception();
- goto error;
+ goto python_error;
}
/*
*
* py_iter.__init__(self_output_port)
*
- * through the _init_for_native helper static method.
+ * through the _init_for_native helper static method.
*
* At this point, py_iter._ptr is set, so this initialization
* function has access to self._component (which gives it the
* user Python component object from which the iterator was
* created).
*/
- py_component_port_output_ptr = SWIG_NewPointerObj(
- SWIG_as_voidptr(self_component_port_output),
+ py_component_port_output_ptr = SWIG_NewPointerObj(
+ SWIG_as_voidptr(self_component_port_output),
SWIGTYPE_p_bt_self_component_port_output, 0);
if (!py_component_port_output_ptr) {
- BT_LOGE_STR("Failed to create a SWIG pointer object.");
+ const char *err = "Failed to create a SWIG pointer object.";
+
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "%s", err);
+ BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_MESSAGE_ITERATOR(
+ self_message_iterator, err);
goto error;
}
py_init_method_result = PyObject_CallMethod(py_iter,
"_bt_init_from_native", "O", py_component_port_output_ptr);
if (!py_init_method_result) {
- BT_LOGW_STR("User's __init__() method failed:");
- logw_exception();
- goto error;
+ BT_COMP_LOG_CUR_LVL(BT_LOG_ERROR, log_level, self_component,
+ "User's __init__() method failed:");
+ goto python_error;
}
/*
py_iter = NULL;
goto end;
-error:
- status = py_exc_to_status();
- if (status == __BT_FUNC_STATUS_OK) {
- /*
- * Looks like there wasn't any exception from the Python
- * side, but we're still in an error state here.
- */
- status = __BT_FUNC_STATUS_ERROR;
- }
+python_error:
+ /* Handling of errors that cause a Python exception to be set. */
+ status = py_exc_to_status_message_iterator(self_message_iterator);
+ BT_ASSERT(status != __BT_FUNC_STATUS_OK);
+ goto end;
- /*
- * Clear any exception: we're returning a bad status anyway. If
- * this call originated from Python, then the user gets an
- * appropriate creation error.
- */
- PyErr_Clear();
+error:
+ /* Handling of errors that don't cause a Python exception to be set. */
+ status = __BT_FUNC_STATUS_ERROR;
end:
+ BT_ASSERT(!PyErr_Occurred());
+
Py_XDECREF(py_comp_cls);
Py_XDECREF(py_iter_cls);
Py_XDECREF(py_iter_ptr);
void component_class_message_iterator_finalize(
bt_self_message_iterator *message_iterator)
{
- PyObject *py_message_iter = bt_self_message_iterator_get_data(message_iterator);
+ PyObject *py_message_iter = bt_self_message_iterator_get_data(
+ message_iterator);
PyObject *py_method_result = NULL;
BT_ASSERT(py_message_iter);
- /* Call user's _finalize() method */
+ /* Call user's _user_finalize() method */
py_method_result = PyObject_CallMethod(py_message_iter,
- "_finalize", NULL);
+ "_user_finalize", NULL);
if (PyErr_Occurred()) {
- BT_LOGW("User's _finalize() method raised an exception: ignoring:");
- logw_exception();
+ bt_self_component *self_comp =
+ bt_self_message_iterator_borrow_component(
+ message_iterator);
+ bt_logging_level log_level = get_self_component_log_level(
+ self_comp);
+
+ BT_COMP_LOG_CUR_LVL(BT_LOG_WARNING, log_level, self_comp,
+ "User's _user_finalize() method raised an exception: ignoring:");
+ logw_exception(get_self_message_iterator_log_level(
+ message_iterator));
}
/*
- * Ignore any exception raised by the _finalize() method because
- * it won't change anything at this point: the component is
- * being destroyed anyway.
+ * Ignore any exception raised by the _user_finalize() method
+ * because it won't change anything at this point: the component
+ * is being destroyed anyway.
*/
PyErr_Clear();
Py_XDECREF(py_method_result);
py_method_result = PyObject_CallMethod(py_message_iter,
"_bt_next_from_native", NULL);
if (!py_method_result) {
- status = py_exc_to_status();
+ status = py_exc_to_status_message_iterator(message_iterator);
BT_ASSERT(status != __BT_FUNC_STATUS_OK);
goto end;
}
BT_ASSERT(py_comp);
py_method_result = PyObject_CallMethod(py_comp,
- "_consume", NULL);
- status = py_exc_to_status();
- if (!py_method_result && status == __BT_FUNC_STATUS_OK) {
- /* Pretty sure this should never happen, but just in case */
- BT_LOGE("User's _consume() method failed without raising an exception: "
- "status=%d", status);
- status = __BT_FUNC_STATUS_ERROR;
- }
-
+ "_user_consume", NULL);
+ status = py_exc_to_status_component(self_component);
+ BT_ASSERT(py_method_result || status != __BT_FUNC_STATUS_OK);
Py_XDECREF(py_method_result);
return status;
}