--- /dev/null
+/*
+ * Copyright 2017-2018 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 "PORT"
+#include "lib/lib-logging.h"
+
+#include "common/assert.h"
+#include "lib/assert-pre.h"
+#include <babeltrace2/graph/port-const.h>
+#include <babeltrace2/graph/port-input-const.h>
+#include <babeltrace2/graph/port-output-const.h>
+#include <babeltrace2/graph/self-component-port.h>
+#include <babeltrace2/graph/self-component-port-input.h>
+#include <babeltrace2/graph/self-component-port-output.h>
+#include "lib/object.h"
+#include "compat/compiler.h"
+
+#include "component.h"
+#include "connection.h"
+#include "port.h"
+
+static
+void destroy_port(struct bt_object *obj)
+{
+ struct bt_port *port = (void *) obj;
+
+ BT_LIB_LOGD("Destroying port: %!+p", port);
+
+ if (port->name) {
+ g_string_free(port->name, TRUE);
+ port->name = NULL;
+ }
+
+ g_free(port);
+}
+
+BT_HIDDEN
+struct bt_port *bt_port_create(struct bt_component *parent_component,
+ enum bt_port_type type, const char *name, void *user_data)
+{
+ struct bt_port *port = NULL;
+
+ BT_ASSERT(name);
+ BT_ASSERT(parent_component);
+ BT_ASSERT(type == BT_PORT_TYPE_INPUT || type == BT_PORT_TYPE_OUTPUT);
+ BT_ASSERT(strlen(name) > 0);
+ port = g_new0(struct bt_port, 1);
+ if (!port) {
+ BT_LOGE_STR("Failed to allocate one port.");
+ goto end;
+ }
+
+ BT_LIB_LOGD("Creating port for component: %![comp-]+c, port-type=%s, "
+ "port-name=\"%s\"", parent_component, bt_port_type_string(type),
+ name);
+ bt_object_init_shared_with_parent(&port->base, destroy_port);
+ port->name = g_string_new(name);
+ if (!port->name) {
+ BT_LOGE_STR("Failed to allocate one GString.");
+ BT_OBJECT_PUT_REF_AND_RESET(port);
+ goto end;
+ }
+
+ port->type = type;
+ port->user_data = user_data;
+ bt_object_set_parent(&port->base, &parent_component->base);
+ BT_LIB_LOGD("Created port for component: "
+ "%![comp-]+c, %![port-]+p", parent_component, port);
+
+end:
+ return port;
+}
+
+const char *bt_port_get_name(const struct bt_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return port->name->str;
+}
+
+enum bt_port_type bt_port_get_type(const struct bt_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return port->type;
+}
+
+const struct bt_connection *bt_port_borrow_connection_const(
+ const struct bt_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return port->connection;
+}
+
+const struct bt_component *bt_port_borrow_component_const(
+ const struct bt_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return bt_port_borrow_component_inline(port);
+}
+
+struct bt_self_component *bt_self_component_port_borrow_component(
+ struct bt_self_component_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return (void *) bt_object_borrow_parent((void *) port);
+}
+
+BT_HIDDEN
+void bt_port_set_connection(struct bt_port *port,
+ struct bt_connection *connection)
+{
+ /*
+ * Don't take a reference on connection as its existence is
+ * guaranteed by the existence of the graph in which the
+ * connection exists.
+ */
+ port->connection = connection;
+ BT_LIB_LOGV("Set port's connection: %![port-]+p, %![conn-]+x", port,
+ connection);
+}
+
+bt_bool bt_port_is_connected(const struct bt_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return port->connection ? BT_TRUE : BT_FALSE;
+}
+
+void *bt_self_component_port_get_data(const struct bt_self_component_port *port)
+{
+ BT_ASSERT_PRE_NON_NULL(port, "Port");
+ return ((struct bt_port *) port)->user_data;
+}
+
+void bt_port_get_ref(const struct bt_port *port)
+{
+ bt_object_get_ref(port);
+}
+
+void bt_port_put_ref(const struct bt_port *port)
+{
+ bt_object_put_ref(port);
+}
+
+void bt_port_input_get_ref(const struct bt_port_input *port_input)
+{
+ bt_object_get_ref(port_input);
+}
+
+void bt_port_input_put_ref(const struct bt_port_input *port_input)
+{
+ bt_object_put_ref(port_input);
+}
+
+void bt_port_output_get_ref(const struct bt_port_output *port_output)
+{
+ bt_object_get_ref(port_output);
+}
+
+void bt_port_output_put_ref(const struct bt_port_output *port_output)
+{
+ bt_object_put_ref(port_output);
+}
projects / babeltrace.git / blobdiff