src.ctf.lttng-live: use optional pattern for `ctf_stream_class_id`

[babeltrace.git] / src / plugins / ctf / lttng-live / lttng-live.h

diff --git a/src/plugins/ctf/lttng-live/lttng-live.h b/src/plugins/ctf/lttng-live/lttng-live.h
index 39bc5abc5a39b67dbcb8f3b5e869790725ec582f..d0d5b153385866683bbf9c8aad8d164858192fa5 100644 (file)
--- a/src/plugins/ctf/lttng-live/lttng-live.h
+++ b/src/plugins/ctf/lttng-live/lttng-live.h
@@ -1,34 +1,16 @@
-#ifndef BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_H
-#define BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_H
-
 /*
- * BabelTrace - LTTng-live client Component
+ * SPDX-License-Identifier: MIT
  *
  * Copyright 2019 Francis Deslauriers <francis.deslauriers@efficios.com>
  * Copyright 2016 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  * Copyright 2016 Mathieu Desnoyers <mathieu.desnoyers@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.
+ * BabelTrace - LTTng-live client Component
  */
 
+#ifndef BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_H
+#define BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_H
+
 #include <stdbool.h>
 #include <stdint.h>
 
@@ -83,7 +65,10 @@ struct lttng_live_stream_iterator {
 
        uint64_t viewer_stream_id;
 
-       uint64_t ctf_stream_class_id;
+       struct {
+               bool is_set;
+               uint64_t value;
+       } ctf_stream_class_id;
 
        /* base offset in current index. */
        uint64_t base_offset;
@@ -96,7 +81,10 @@ struct lttng_live_stream_iterator {
         * Clock Snapshot value of the last message iterator inactivity message
         * sent downstream.
         */
-       uint64_t last_inactivity_ts;
+       struct {
+               bool is_set;
+               uint64_t value;
+       } last_inactivity_ts;
 
        /*
         * Clock Snapshot value of the current message iterator inactivity
@@ -301,7 +289,6 @@ bt_message_iterator_class_next_method_status lttng_live_msg_iter_next(
 bt_message_iterator_class_initialize_method_status lttng_live_msg_iter_init(
                bt_self_message_iterator *self_msg_it,
                bt_self_message_iterator_configuration *config,
-               bt_self_component *self_comp,
                bt_self_component_port_output *self_port);
 
 void lttng_live_msg_iter_finalize(bt_self_message_iterator *it);
@@ -347,4 +334,9 @@ enum ctf_msg_iter_medium_status lttng_live_get_stream_bytes(
 
 bool lttng_live_graph_is_canceled(struct lttng_live_msg_iter *msg_iter);
 
+BT_HIDDEN
+void lttng_live_stream_iterator_set_state(
+               struct lttng_live_stream_iterator *stream_iter,
+               enum lttng_live_stream_state new_state);
+
 #endif /* BABELTRACE_PLUGIN_CTF_LTTNG_LIVE_H */