+/*
+ * Copyright 2017-2019 Philippe Proulx <pproulx@efficios.com>
+ * Copyright 2017 Jérémie Galarneau <jeremie.galarneau@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.
+ */
+
+#define BT_LOG_TAG "LIB/COMP-DESCR-SET"
+#include "lib/logging.h"
+
+#include "common/assert.h"
+#include "lib/assert-pre.h"
+#include "compat/compiler.h"
+#include "common/common.h"
+#include <babeltrace2/types.h>
+#include <babeltrace2/value.h>
+#include <babeltrace2/value-const.h>
+#include <unistd.h>
+#include <glib.h>
+
+#include "component-class.h"
+#include "component-descriptor-set.h"
+#include "component-class-sink-simple.h"
+#include "lib/value.h"
+
+static
+void destroy_component_descriptor_set(struct bt_object *obj)
+{
+ struct bt_component_descriptor_set *comp_descr_set = (void *) obj;
+
+ if (comp_descr_set->sources) {
+ BT_LOGD_STR("Destroying source component descriptors.");
+ g_ptr_array_free(comp_descr_set->sources, TRUE);
+ comp_descr_set->sources = NULL;
+ }
+
+ if (comp_descr_set->filters) {
+ BT_LOGD_STR("Destroying filter component descriptors.");
+ g_ptr_array_free(comp_descr_set->filters, TRUE);
+ comp_descr_set->filters = NULL;
+ }
+
+ if (comp_descr_set->sinks) {
+ BT_LOGD_STR("Destroying sink component descriptors.");
+ g_ptr_array_free(comp_descr_set->sinks, TRUE);
+ comp_descr_set->sinks = NULL;
+ }
+
+ g_free(comp_descr_set);
+}
+
+static
+void destroy_component_descriptor_set_entry(gpointer ptr)
+{
+ struct bt_component_descriptor_set_entry *entry = ptr;
+
+ if (!ptr) {
+ goto end;
+ }
+
+ BT_OBJECT_PUT_REF_AND_RESET(entry->comp_cls);
+ BT_OBJECT_PUT_REF_AND_RESET(entry->params);
+ g_free(entry);
+
+end:
+ return;
+}
+
+struct bt_component_descriptor_set *bt_component_descriptor_set_create(void)
+{
+ struct bt_component_descriptor_set *comp_descr_set;
+
+ BT_LOGI_STR("Creating component descriptor set object.");
+ comp_descr_set = g_new0(struct bt_component_descriptor_set, 1);
+ if (!comp_descr_set) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Failed to allocate one component descriptor set.");
+ goto end;
+ }
+
+ bt_object_init_shared(&comp_descr_set->base,
+ destroy_component_descriptor_set);
+ comp_descr_set->sources = g_ptr_array_new_with_free_func(
+ destroy_component_descriptor_set_entry);
+ if (!comp_descr_set->sources) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
+ comp_descr_set->filters = g_ptr_array_new_with_free_func(
+ destroy_component_descriptor_set_entry);
+ if (!comp_descr_set->filters) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
+ comp_descr_set->sinks = g_ptr_array_new_with_free_func(
+ destroy_component_descriptor_set_entry);
+ if (!comp_descr_set->sinks) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate one GPtrArray.");
+ goto error;
+ }
+
+ BT_LOGI("Created component descriptor set object: addr=%p",
+ comp_descr_set);
+ goto end;
+
+error:
+ BT_OBJECT_PUT_REF_AND_RESET(comp_descr_set);
+
+end:
+ return comp_descr_set;
+}
+
+enum bt_component_descriptor_set_add_descriptor_status
+bt_component_descriptor_set_add_descriptor_with_init_method_data(
+ struct bt_component_descriptor_set *comp_descr_set,
+ const struct bt_component_class *comp_cls,
+ const struct bt_value *params, void *init_method_data)
+{
+ bt_component_descriptor_set_add_descriptor_status status =
+ BT_FUNC_STATUS_OK;
+ struct bt_value *new_params = NULL;
+ struct bt_component_descriptor_set_entry *entry = NULL;
+ GPtrArray *comp_descr_array = NULL;
+
+ BT_ASSERT_PRE_NON_NULL(comp_descr_set, "Component descriptor set");
+ BT_ASSERT_PRE_NON_NULL(comp_cls, "Component class");
+ BT_ASSERT_PRE(!params || bt_value_is_map(params),
+ "Parameter value is not a map value: %!+v", params);
+ BT_LIB_LOGI("Adding component descriptor to set: "
+ "set-addr=%p, %![cc-]+C, "
+ "%![params-]+v, init-method-data-addr=%p",
+ comp_descr_set, comp_cls, params, init_method_data);
+
+ if (!params) {
+ new_params = bt_value_map_create();
+ if (!new_params) {
+ BT_LIB_LOGE_APPEND_CAUSE(
+ "Cannot create empty map value object.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto error;
+ }
+
+ params = new_params;
+ }
+
+ entry = g_new0(struct bt_component_descriptor_set_entry, 1);
+ if (!entry) {
+ BT_LIB_LOGE_APPEND_CAUSE("Failed to allocate a GPtrArray.");
+ status = BT_FUNC_STATUS_MEMORY_ERROR;
+ goto error;
+ }
+
+ entry->comp_cls = (void *) comp_cls;
+ bt_object_get_no_null_check(entry->comp_cls);
+ bt_component_class_freeze(entry->comp_cls);
+ entry->params = (void *) params;
+ bt_object_get_no_null_check(entry->params);
+ bt_value_freeze(entry->params);
+ entry->init_method_data = init_method_data;
+
+ /* Move to array */
+ switch (comp_cls->type) {
+ case BT_COMPONENT_CLASS_TYPE_SOURCE:
+ comp_descr_array = comp_descr_set->sources;
+ break;
+ case BT_COMPONENT_CLASS_TYPE_FILTER:
+ comp_descr_array = comp_descr_set->filters;
+ break;
+ case BT_COMPONENT_CLASS_TYPE_SINK:
+ comp_descr_array = comp_descr_set->sinks;
+ break;
+ default:
+ abort();
+ }
+
+ BT_ASSERT(comp_descr_array);
+ g_ptr_array_add(comp_descr_array, entry);
+ BT_LIB_LOGI("Added component descriptor to set: "
+ "set-addr=%p, %![cc-]+C, "
+ "%![params-]+v, init-method-data-addr=%p",
+ comp_descr_set, comp_cls, params, init_method_data);
+ goto end;
+
+error:
+ destroy_component_descriptor_set_entry(entry);
+ entry = NULL;
+
+end:
+ bt_object_put_ref(new_params);
+ return status;
+}
+
+enum bt_component_descriptor_set_add_descriptor_status
+bt_component_descriptor_set_add_descriptor(
+ struct bt_component_descriptor_set *comp_descr_set,
+ const struct bt_component_class *comp_cls,
+ const struct bt_value *params)
+{
+ return bt_component_descriptor_set_add_descriptor_with_init_method_data(
+ comp_descr_set, comp_cls, params, NULL);
+}
+
+void bt_component_descriptor_set_get_ref(
+ const struct bt_component_descriptor_set *comp_descr_set)
+{
+ bt_object_get_ref(comp_descr_set);
+}
+
+void bt_component_descriptor_set_put_ref(
+ const struct bt_component_descriptor_set *comp_descr_set)
+{
+ bt_object_put_ref(comp_descr_set);
+}