--- /dev/null
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
+ *
+ * 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.
+ */
+
+/* From message-iterator-const.h */
+
+typedef enum bt_message_iterator_status {
+ BT_MESSAGE_ITERATOR_STATUS_OK = 0,
+ BT_MESSAGE_ITERATOR_STATUS_END = 1,
+ BT_MESSAGE_ITERATOR_STATUS_AGAIN = 11,
+ BT_MESSAGE_ITERATOR_STATUS_ERROR = -1,
+ BT_MESSAGE_ITERATOR_STATUS_NOMEM = -12,
+} bt_message_iterator_status;
+
+/* From self-message-iterator.h */
+
+typedef enum bt_self_message_iterator_status {
+ BT_SELF_MESSAGE_ITERATOR_STATUS_OK = BT_MESSAGE_ITERATOR_STATUS_OK,
+ BT_SELF_MESSAGE_ITERATOR_STATUS_END = BT_MESSAGE_ITERATOR_STATUS_END,
+ BT_SELF_MESSAGE_ITERATOR_STATUS_AGAIN = BT_MESSAGE_ITERATOR_STATUS_AGAIN,
+ BT_SELF_MESSAGE_ITERATOR_STATUS_ERROR = BT_MESSAGE_ITERATOR_STATUS_ERROR,
+ BT_SELF_MESSAGE_ITERATOR_STATUS_NOMEM = BT_MESSAGE_ITERATOR_STATUS_NOMEM,
+} bt_self_message_iterator_status;
+
+extern bt_self_component *
+bt_self_message_iterator_borrow_component(
+ bt_self_message_iterator *message_iterator);
+
+extern bt_self_port_output *
+bt_self_message_iterator_borrow_port(
+ bt_self_message_iterator *message_iterator);
+
+extern void bt_self_message_iterator_set_data(
+ bt_self_message_iterator *message_iterator,
+ void *user_data);
+
+extern void *bt_self_message_iterator_get_data(
+ const bt_self_message_iterator *message_iterator);
+
+/* From self-component-port-input-message-iterator.h */
+
+bt_message_iterator *
+bt_self_component_port_input_message_iterator_as_message_iterator(
+ bt_self_component_port_input_message_iterator *iterator);
+
+extern bt_self_component_port_input_message_iterator *
+bt_self_component_port_input_message_iterator_create(
+ bt_self_component_port_input *input_port);
+
+extern bt_component *
+bt_self_component_port_input_message_iterator_borrow_component(
+ bt_self_component_port_input_message_iterator *iterator);
+
+extern bt_message_iterator_status
+bt_self_component_port_input_message_iterator_next(
+ bt_self_component_port_input_message_iterator *iterator,
+ bt_message_array_const *msgs, uint64_t *count);
+
+extern bt_bool
+bt_self_component_port_input_message_iterator_can_seek_ns_from_origin(
+ bt_self_component_port_input_message_iterator *iterator,
+ int64_t ns_from_origin);
+
+extern bt_bool bt_self_component_port_input_message_iterator_can_seek_beginning(
+ bt_self_component_port_input_message_iterator *iterator);
+
+extern bt_message_iterator_status
+bt_self_component_port_input_message_iterator_seek_ns_from_origin(
+ bt_self_component_port_input_message_iterator *iterator,
+ int64_t ns_from_origin);
+
+extern bt_message_iterator_status
+bt_self_component_port_input_message_iterator_seek_beginning(
+ bt_self_component_port_input_message_iterator *iterator);
+
+extern void bt_self_component_port_input_message_iterator_get_ref(
+ const bt_self_component_port_input_message_iterator *self_component_port_input_message_iterator);
+
+extern void bt_self_component_port_input_message_iterator_put_ref(
+ const bt_self_component_port_input_message_iterator *self_component_port_input_message_iterator);
+
+/* From port-output-message-iterator.h */
+
+bt_message_iterator *
+bt_port_output_message_iterator_as_message_iterator(
+ bt_port_output_message_iterator *iterator);
+
+extern bt_port_output_message_iterator *
+bt_port_output_message_iterator_create(
+ bt_graph *graph,
+ const bt_port_output *output_port);
+
+extern bt_message_iterator_status
+bt_port_output_message_iterator_next(
+ bt_port_output_message_iterator *iterator,
+ bt_message_array_const *msgs, uint64_t *count);
+
+extern bt_bool bt_port_output_message_iterator_can_seek_ns_from_origin(
+ bt_port_output_message_iterator *iterator,
+ int64_t ns_from_origin);
+
+extern bt_bool bt_port_output_message_iterator_can_seek_beginning(
+ bt_port_output_message_iterator *iterator);
+
+extern bt_message_iterator_status
+bt_port_output_message_iterator_seek_ns_from_origin(
+ bt_port_output_message_iterator *iterator,
+ int64_t ns_from_origin);
+
+extern bt_message_iterator_status
+bt_port_output_message_iterator_seek_beginning(
+ bt_port_output_message_iterator *iterator);
+
+extern void bt_port_output_message_iterator_get_ref(
+ const bt_port_output_message_iterator *port_output_message_iterator);
+
+extern void bt_port_output_message_iterator_put_ref(
+ const bt_port_output_message_iterator *port_output_message_iterator);
+
+/* Helper functions for Python */
+%{
+static PyObject *bt_py3_get_user_component_from_user_msg_iter(
+ bt_self_message_iterator *self_message_iterator)
+{
+ bt_self_component *self_component = bt_self_message_iterator_borrow_component(self_message_iterator);
+ PyObject *py_comp;
+
+ BT_ASSERT(self_component);
+ py_comp = bt_self_component_get_data(self_component);
+ BT_ASSERT(py_comp);
+
+ /* Return new reference */
+ Py_INCREF(py_comp);
+ return py_comp;
+}
+
+static inline
+PyObject *create_pylist_from_messages(bt_message_array_const messages,
+ uint64_t message_count)
+{
+ uint64_t i;
+ PyObject *py_msg_list = PyList_New(message_count);
+ BT_ASSERT(py_msg_list);
+ for (i = 0; i < message_count; i++) {
+ PyList_SET_ITEM(py_msg_list, i,
+ SWIG_NewPointerObj(SWIG_as_voidptr(messages[i]),
+ SWIGTYPE_p_bt_message, 0));
+ }
+
+ return py_msg_list;
+}
+
+static
+PyObject *bt_py3_get_msg_range_common(bt_message_iterator_status status,
+ bt_message_array_const messages, uint64_t message_count)
+{
+ PyObject *py_status;
+ PyObject *py_return_tuple;
+ PyObject *py_msg_list = Py_None;
+
+ py_status = SWIG_From_long_SS_long(status);
+ if (status != BT_MESSAGE_ITERATOR_STATUS_OK) {
+ goto end;
+ }
+
+ py_msg_list = create_pylist_from_messages(messages, message_count);
+
+end:
+ py_return_tuple = PyTuple_New(2);
+ BT_ASSERT(py_return_tuple);
+ PyTuple_SET_ITEM(py_return_tuple, 0, py_status);
+ PyTuple_SET_ITEM(py_return_tuple, 1, py_msg_list);
+
+ return py_return_tuple;
+}
+
+static PyObject
+*bt_py3_self_component_port_input_get_msg_range(
+ bt_self_component_port_input_message_iterator *iter)
+{
+ bt_message_array_const messages;
+ uint64_t message_count = 0;
+ bt_message_iterator_status status;
+
+ status = bt_self_component_port_input_message_iterator_next(iter, &messages,
+ &message_count);
+
+ return bt_py3_get_msg_range_common(status, messages, message_count);
+}
+
+static PyObject
+*bt_py3_port_output_get_msg_range(
+ bt_port_output_message_iterator *iter)
+{
+ bt_message_array_const messages;
+ uint64_t message_count = 0;
+ bt_message_iterator_status status;
+
+ status =
+ bt_port_output_message_iterator_next(iter, &messages,
+ &message_count);
+
+ return bt_py3_get_msg_range_common(status, messages, message_count);
+}
+%}
+
+PyObject *bt_py3_get_user_component_from_user_msg_iter(
+ bt_self_message_iterator *self_message_iterator);
+PyObject *bt_py3_self_component_port_input_get_msg_range(
+ bt_self_component_port_input_message_iterator *iter);
+PyObject *bt_py3_port_output_get_msg_range(
+ bt_port_output_message_iterator *iter);
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