X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.h;h=3ff9dbf9937219a18037c3cc4d00e7cc6c786f9a;hb=128708c34ee7d054755d110df12940155c2dd781;hp=72c580eb2e1be87894d98a4c40e83a09ce07b8a5;hpb=c70636a7342f34e3be68fcf411cf3e3718b8e73f;p=lttng-tools.git

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index 72c580eb2..3ff9dbf99 100644
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -1,21 +1,11 @@
 /*
- * Copyright (C) 2011 - Julien Desfossez <julien.desfossez@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *               2012 - David Goulet <dgoulet@efficios.com>
- *               2018 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ * Copyright (C) 2011 Julien Desfossez <julien.desfossez@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2018 Jérémie Galarneau <jeremie.galarneau@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
 #ifndef LIB_CONSUMER_H
@@ -70,6 +60,7 @@ enum lttng_consumer_command {
 	LTTNG_CONSUMER_CREATE_TRACE_CHUNK,
 	LTTNG_CONSUMER_CLOSE_TRACE_CHUNK,
 	LTTNG_CONSUMER_TRACE_CHUNK_EXISTS,
+	LTTNG_CONSUMER_CLEAR_CHANNEL,
 };
 
 enum lttng_consumer_type {
@@ -304,6 +295,11 @@ struct lttng_consumer_stream {
 	 */
 	bool quiescent;
 
+	/*
+	 * True if the sequence number is not available (lttng-modules < 2.8).
+	 */
+	bool sequence_number_unavailable;
+
 	/*
 	 * metadata_timer_lock protects flags waiting_on_metadata and
 	 * missed_metadata_flush.
@@ -438,12 +434,12 @@ struct lttng_consumer_stream {
 	pthread_mutex_t metadata_rdv_lock;
 
 	/*
-	 * rotate_position represents the position in the ring-buffer that has to
-	 * be flushed to disk to complete the ongoing rotation. When that position
-	 * is reached, this tracefile can be closed and a new one is created in
-	 * channel_read_only_attributes.path.
+	 * rotate_position represents the packet sequence number of the last
+	 * packet which belongs to the current trace chunk prior to the rotation.
+	 * When that position is reached, this tracefile can be closed and a
+	 * new one is created in channel_read_only_attributes.path.
 	 */
-	unsigned long rotate_position;
+	uint64_t rotate_position;
 
 	/*
 	 * Read-only copies of channel values. We cannot safely access the
@@ -795,7 +791,9 @@ struct lttng_consumer_local_data *lttng_consumer_create(
 void lttng_consumer_destroy(struct lttng_consumer_local_data *ctx);
 ssize_t lttng_consumer_on_read_subbuffer_mmap(
 		struct lttng_consumer_local_data *ctx,
-		struct lttng_consumer_stream *stream, unsigned long len,
+		struct lttng_consumer_stream *stream,
+		const char *buffer,
+		unsigned long len,
 		unsigned long padding,
 		struct ctf_packet_index *index);
 ssize_t lttng_consumer_on_read_subbuffer_splice(
@@ -870,5 +868,6 @@ void lttng_consumer_cleanup_relayd(struct consumer_relayd_sock_pair *relayd);
 enum lttcomm_return_code lttng_consumer_init_command(
 		struct lttng_consumer_local_data *ctx,
 		const lttng_uuid sessiond_uuid);
+int lttng_consumer_clear_channel(struct lttng_consumer_channel *channel);
 
 #endif /* LIB_CONSUMER_H */