+++ /dev/null
-/*
- * sink.c
- *
- * Babeltrace Sink Component
- *
- * Copyright 2015 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Author: 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.
- */
-
-#include <babeltrace/compiler.h>
-#include <babeltrace/values.h>
-#include <babeltrace/plugin/sink-internal.h>
-#include <babeltrace/plugin/component-internal.h>
-#include <babeltrace/plugin/notification/notification.h>
-
-BT_HIDDEN
-enum bt_component_status bt_component_sink_validate(
- struct bt_component *component)
-{
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
- struct bt_component_sink *sink;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (!component->class) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (component->class->type != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- if (!sink->consume) {
- printf_error("Invalid sink component; no notification consumption callback defined.");
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- ret = component_input_validate(&sink->input);
- if (ret) {
- goto end;
- }
-end:
- return ret;
-}
-
-static
-void bt_component_sink_destroy(struct bt_component *component)
-{
- struct bt_component_sink *sink = container_of(component,
- struct bt_component_sink, parent);
-
- component_input_fini(&sink->input);
-}
-
-BT_HIDDEN
-struct bt_component *bt_component_sink_create(
- struct bt_component_class *class, struct bt_value *params)
-{
- struct bt_component_sink *sink = NULL;
- enum bt_component_status ret;
-
- sink = g_new0(struct bt_component_sink, 1);
- if (!sink) {
- goto end;
- }
-
- sink->parent.class = bt_get(class);
- ret = bt_component_init(&sink->parent, bt_component_sink_destroy);
- if (ret != BT_COMPONENT_STATUS_OK) {
- goto error;
- }
-
-/*
- ret = bt_component_sink_register_notification_type(&sink->parent,
- BT_NOTIFICATION_TYPE_EVENT);
- if (ret != BT_COMPONENT_STATUS_OK) {
- goto error;
- }
-*/
- if (component_input_init(&sink->input)) {
- goto error;
- }
-end:
- return sink ? &sink->parent : NULL;
-error:
- BT_PUT(sink);
- return NULL;
-}
-
-static
-enum bt_component_status validate_inputs(struct bt_component_sink *sink)
-{
- size_t array_size = sink->input.iterators->len;
-
- if (array_size < sink->input.min_count ||
- array_size > sink->input.max_count) {
- return BT_COMPONENT_STATUS_INVALID;
- }
-
- return BT_COMPONENT_STATUS_OK;
-}
-
-enum bt_component_status bt_component_sink_consume(
- struct bt_component *component)
-{
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
- struct bt_component_sink *sink = NULL;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- if (!sink->input.validated) {
- ret = validate_inputs(sink);
- if (ret != BT_COMPONENT_STATUS_OK) {
- goto end;
- }
- sink->input.validated = true;
- }
-
- assert(sink->consume);
- ret = sink->consume(component);
-end:
- return ret;
-}
-/*
-static
-enum bt_component_status bt_component_sink_register_notification_type(
- struct bt_component *component, enum bt_notification_type type)
-{
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
- struct bt_component_sink *sink = NULL;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (type <= BT_NOTIFICATION_TYPE_UNKNOWN ||
- type >= BT_NOTIFICATION_TYPE_NR) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
- sink = container_of(component, struct bt_component_sink, parent);
- if (type == BT_NOTIFICATION_TYPE_ALL) {
- sink->registered_notifications_mask = ~(notification_mask_t) 0;
- } else {
- sink->registered_notifications_mask |=
- (notification_mask_t) 1 << type;
- }
-end:
- return ret;
-}
-*/
-enum bt_component_status bt_component_sink_set_consume_cb(
- struct bt_component *component,
- bt_component_sink_consume_cb consume)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (!component->initializing) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- sink->consume = consume;
-end:
- return ret;
-}
-
-enum bt_component_status bt_component_sink_set_add_iterator_cb(
- struct bt_component *component,
- bt_component_sink_add_iterator_cb add_iterator)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (!component->initializing) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- sink->add_iterator = add_iterator;
-end:
- return ret;
-}
-
-enum bt_component_status bt_component_sink_set_minimum_input_count(
- struct bt_component *component,
- unsigned int minimum)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (!component->initializing) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- sink->input.min_count = minimum;
-end:
- return ret;
-}
-
-enum bt_component_status bt_component_sink_set_maximum_input_count(
- struct bt_component *component,
- unsigned int maximum)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (!component->initializing) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- sink->input.max_count = maximum;
-end:
- return ret;
-}
-
-enum bt_component_status
-bt_component_sink_get_input_count(struct bt_component *component,
- unsigned int *count)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component || !count) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- *count = (unsigned int) sink->input.iterators->len;
-end:
- return ret;
-}
-
-enum bt_component_status
-bt_component_sink_get_input_iterator(struct bt_component *component,
- unsigned int input, struct bt_notification_iterator **iterator)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component || !iterator) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- if (input >= (unsigned int) sink->input.iterators->len) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- *iterator = bt_get(g_ptr_array_index(sink->input.iterators, input));
-end:
- return ret;
-}
-
-enum bt_component_status
-bt_component_sink_add_iterator(struct bt_component *component,
- struct bt_notification_iterator *iterator)
-{
- struct bt_component_sink *sink;
- enum bt_component_status ret = BT_COMPONENT_STATUS_OK;
-
- if (!component || !iterator) {
- ret = BT_COMPONENT_STATUS_INVALID;
- goto end;
- }
-
- if (bt_component_get_type(component) != BT_COMPONENT_TYPE_SINK) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- sink = container_of(component, struct bt_component_sink, parent);
- if (sink->input.iterators->len == sink->input.max_count) {
- ret = BT_COMPONENT_STATUS_UNSUPPORTED;
- goto end;
- }
-
- if (sink->add_iterator) {
- ret = sink->add_iterator(component, iterator);
- if (ret != BT_COMPONENT_STATUS_OK) {
- goto end;
- }
- }
-
- g_ptr_array_add(sink->input.iterators, bt_get(iterator));
-end:
- return ret;
-}
projects / babeltrace.git / blobdiff