/*
- * The MIT License (MIT)
+ * SPDX-License-Identifier: 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.
*/
-static
-void graph_listener_removed(void *py_callable)
-{
- BT_ASSERT(py_callable);
- Py_DECREF(py_callable);
-}
-
static bt_graph_listener_func_status port_added_listener(
const void *component,
swig_type_info *component_swig_type,
/* source output port */
status = bt_graph_add_source_component_output_port_added_listener(
graph, source_component_output_port_added_listener,
- graph_listener_removed, py_callable, &listener_id);
+ py_callable, &listener_id);
if (status != __BT_FUNC_STATUS_OK) {
/*
* bt_graph_add_source_component_output_port_added_listener has
/* filter input port */
status = bt_graph_add_filter_component_input_port_added_listener(
graph, filter_component_input_port_added_listener,
- graph_listener_removed, py_callable, &listener_id);
+ py_callable, &listener_id);
if (status != __BT_FUNC_STATUS_OK) {
/*
* bt_graph_add_filter_component_input_port_added_listener has
/* filter output port */
status = bt_graph_add_filter_component_output_port_added_listener(
graph, filter_component_output_port_added_listener,
- graph_listener_removed, py_callable, &listener_id);
+ py_callable, &listener_id);
if (status != __BT_FUNC_STATUS_OK) {
/*
* bt_graph_add_filter_component_output_port_added_listener has
/* sink input port */
status = bt_graph_add_sink_component_input_port_added_listener(
graph, sink_component_input_port_added_listener,
- graph_listener_removed, py_callable, &listener_id);
+ py_callable, &listener_id);
if (status != __BT_FUNC_STATUS_OK) {
/*
* bt_graph_add_sink_component_input_port_added_listener has
PyTuple_SET_ITEM(py_listener_ids, 3, py_listener_id);
py_listener_id = NULL;
-
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
-
goto end;
error:
return py_listener_ids;
}
-static
-bt_graph_listener_func_status ports_connected_listener(
- const void *upstream_component,
- swig_type_info *upstream_component_swig_type,
- bt_component_class_type upstream_component_class_type,
- const bt_port_output *upstream_port,
- const void *downstream_component,
- swig_type_info *downstream_component_swig_type,
- bt_component_class_type downstream_component_class_type,
- const bt_port_input *downstream_port,
- void *py_callable)
-{
- PyObject *py_upstream_component_ptr = NULL;
- PyObject *py_upstream_port_ptr = NULL;
- PyObject *py_downstream_component_ptr = NULL;
- PyObject *py_downstream_port_ptr = NULL;
- PyObject *py_res = NULL;
- bt_graph_listener_func_status status;
-
- py_upstream_component_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(upstream_component),
- upstream_component_swig_type, 0);
- if (!py_upstream_component_ptr) {
- BT_LOGF_STR("Failed to create upstream component SWIG pointer object.");
- status = __BT_FUNC_STATUS_MEMORY_ERROR;
- goto end;
- }
-
- py_upstream_port_ptr = SWIG_NewPointerObj(
- SWIG_as_voidptr(upstream_port), SWIGTYPE_p_bt_port_output, 0);
- if (!py_upstream_port_ptr) {
- BT_LOGF_STR("Failed to create upstream port SWIG pointer object.");
- status = __BT_FUNC_STATUS_MEMORY_ERROR;
- goto end;
- }
-
- py_downstream_component_ptr = SWIG_NewPointerObj(SWIG_as_voidptr(downstream_component),
- downstream_component_swig_type, 0);
- if (!py_downstream_component_ptr) {
- BT_LOGF_STR("Failed to create downstream component SWIG pointer object.");
- status = __BT_FUNC_STATUS_MEMORY_ERROR;
- goto end;
- }
-
- py_downstream_port_ptr = SWIG_NewPointerObj(
- SWIG_as_voidptr(downstream_port), SWIGTYPE_p_bt_port_input, 0);
- if (!py_downstream_port_ptr) {
- BT_LOGF_STR("Failed to create downstream port SWIG pointer object.");
- status = __BT_FUNC_STATUS_MEMORY_ERROR;
- goto end;
- }
-
- py_res = PyObject_CallFunction(py_callable, "(OiOOiO)",
- py_upstream_component_ptr, upstream_component_class_type,
- py_upstream_port_ptr,
- py_downstream_component_ptr, downstream_component_class_type,
- py_downstream_port_ptr);
- if (!py_res) {
- loge_exception_append_cause_clear(
- "Graph's port connected listener (Python)",
- BT_LOG_OUTPUT_LEVEL);
- status = __BT_FUNC_STATUS_ERROR;
- goto end;
- }
-
- BT_ASSERT(py_res == Py_None);
- status = __BT_FUNC_STATUS_OK;
-
-end:
- Py_XDECREF(py_upstream_component_ptr);
- Py_XDECREF(py_upstream_port_ptr);
- Py_XDECREF(py_downstream_component_ptr);
- Py_XDECREF(py_downstream_port_ptr);
- Py_XDECREF(py_res);
- return status;
-}
-
-static
-bt_graph_listener_func_status source_filter_component_ports_connected_listener(
- const bt_component_source *source_component,
- const bt_component_filter *filter_component,
- const bt_port_output *upstream_port,
- const bt_port_input *downstream_port, void *py_callable)
-{
- return ports_connected_listener(
- source_component, SWIGTYPE_p_bt_component_source, BT_COMPONENT_CLASS_TYPE_SOURCE,
- upstream_port,
- filter_component, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER,
- downstream_port,
- py_callable);
-}
-
-static
-bt_graph_listener_func_status source_sink_component_ports_connected_listener(
- const bt_component_source *source_component,
- const bt_component_sink *sink_component,
- const bt_port_output *upstream_port,
- const bt_port_input *downstream_port, void *py_callable)
-{
- return ports_connected_listener(
- source_component, SWIGTYPE_p_bt_component_source, BT_COMPONENT_CLASS_TYPE_SOURCE,
- upstream_port,
- sink_component, SWIGTYPE_p_bt_component_sink, BT_COMPONENT_CLASS_TYPE_SINK,
- downstream_port,
- py_callable);
-}
-
-static
-bt_graph_listener_func_status filter_filter_component_ports_connected_listener(
- const bt_component_filter *filter_component_left,
- const bt_component_filter *filter_component_right,
- const bt_port_output *upstream_port,
- const bt_port_input *downstream_port, void *py_callable)
-{
- return ports_connected_listener(
- filter_component_left, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER,
- upstream_port,
- filter_component_right, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER,
- downstream_port,
- py_callable);
-}
-
-static
-bt_graph_listener_func_status filter_sink_component_ports_connected_listener(
- const bt_component_filter *filter_component,
- const bt_component_sink *sink_component,
- const bt_port_output *upstream_port,
- const bt_port_input *downstream_port, void *py_callable)
-{
- return ports_connected_listener(
- filter_component, SWIGTYPE_p_bt_component_filter, BT_COMPONENT_CLASS_TYPE_FILTER,
- upstream_port,
- sink_component, SWIGTYPE_p_bt_component_sink, BT_COMPONENT_CLASS_TYPE_SINK,
- downstream_port,
- py_callable);
-}
-
-static
-PyObject *bt_bt2_graph_add_ports_connected_listener(struct bt_graph *graph,
- PyObject *py_callable)
-{
- PyObject *py_listener_ids = NULL;
- PyObject *py_listener_id = NULL;
- bt_listener_id listener_id;
- bt_graph_add_listener_status status;
- const char * const module_name =
- "graph_add_ports_connected_listener() (Python)";
-
- BT_ASSERT(graph);
- BT_ASSERT(py_callable);
-
- /* Behind the scene, we will be registering 4 different listeners and
- * return all of their ids. */
- py_listener_ids = PyTuple_New(4);
- if (!py_listener_ids) {
- BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(module_name,
- "Failed to allocate one PyTuple.");
- goto error;
- }
-
- /* source -> filter connection */
- status = bt_graph_add_source_filter_component_ports_connected_listener(
- graph, source_filter_component_ports_connected_listener,
- graph_listener_removed, py_callable, &listener_id);
- if (status != __BT_FUNC_STATUS_OK) {
- /*
- * bt_graph_add_source_filter_component_ports_connected_listener
- * has already logged/appended an error cause.
- */
- goto error;
- }
-
- py_listener_id = PyLong_FromUnsignedLongLong(listener_id);
- if (!py_listener_id) {
- BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(module_name,
- "Failed to allocate one PyLong.");
- goto error;
- }
-
- PyTuple_SET_ITEM(py_listener_ids, 0, py_listener_id);
- py_listener_id = NULL;
-
- /* source -> sink connection */
- status = bt_graph_add_source_sink_component_ports_connected_listener(
- graph, source_sink_component_ports_connected_listener,
- graph_listener_removed, py_callable, &listener_id);
- if (status != __BT_FUNC_STATUS_OK) {
- /*
- * bt_graph_add_source_sink_component_ports_connected_listener
- * has already logged/appended an error cause.
- */
- goto error;
- }
-
- py_listener_id = PyLong_FromUnsignedLongLong(listener_id);
- if (!py_listener_id) {
- BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(module_name,
- "Failed to allocate one PyLong.");
- goto error;
- }
-
- PyTuple_SET_ITEM(py_listener_ids, 1, py_listener_id);
- py_listener_id = NULL;
-
- /* filter -> filter connection */
- status = bt_graph_add_filter_filter_component_ports_connected_listener(
- graph, filter_filter_component_ports_connected_listener,
- graph_listener_removed, py_callable, &listener_id);
- if (status != __BT_FUNC_STATUS_OK) {
- /*
- * bt_graph_add_filter_filter_component_ports_connected_listener
- * has already logged/appended an error cause.
- */
- goto error;
- }
-
- py_listener_id = PyLong_FromUnsignedLongLong(listener_id);
- if (!py_listener_id) {
- BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(module_name,
- "Failed to allocate one PyLong.");
- goto error;
- }
-
- PyTuple_SET_ITEM(py_listener_ids, 2, py_listener_id);
- py_listener_id = NULL;
-
- /* filter -> sink connection */
- status = bt_graph_add_filter_sink_component_ports_connected_listener(
- graph, filter_sink_component_ports_connected_listener,
- graph_listener_removed, py_callable, &listener_id);
- if (status != __BT_FUNC_STATUS_OK) {
- /*
- * bt_graph_add_filter_sink_component_ports_connected_listener
- * has already logged/appended an error cause.
- */
- goto error;
- }
-
- py_listener_id = PyLong_FromUnsignedLongLong(listener_id);
- if (!py_listener_id) {
- BT_CURRENT_THREAD_ERROR_APPEND_CAUSE_FROM_UNKNOWN(module_name,
- "Failed to allocate one PyLong.");
- goto error;
- }
-
- PyTuple_SET_ITEM(py_listener_ids, 3, py_listener_id);
- py_listener_id = NULL;
-
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
- Py_INCREF(py_callable);
-
- goto end;
-
-error:
- Py_XDECREF(py_listener_ids);
- py_listener_ids = Py_None;
- Py_INCREF(py_listener_ids);
-
-end:
-
- Py_XDECREF(py_listener_id);
- return py_listener_ids;
-}
-
static
bt_graph_add_component_status
bt_bt2_graph_add_source_component(
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