X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer.h;h=9dfa91353bd69108c573b5439d2b5d3dcdb31836;hb=ef440343c0d6372c1aaca74d0cdecfcd700a5785;hp=1aaddb5abddc734087ecde415a3879ed91665e02;hpb=ecd1a12fac39784bded85c0f06e47ace2dc98cde;p=lttng-tools.git

diff --git a/src/common/consumer/consumer.h b/src/common/consumer/consumer.h
index 1aaddb5ab..9dfa91353 100644
--- a/src/common/consumer/consumer.h
+++ b/src/common/consumer/consumer.h
@@ -30,7 +30,7 @@
 
 #include <common/hashtable/hashtable.h>
 #include <common/compat/fcntl.h>
-#include <common/compat/uuid.h>
+#include <common/uuid.h>
 #include <common/sessiond-comm/sessiond-comm.h>
 #include <common/pipe.h>
 #include <common/index/ctf-index.h>
@@ -70,6 +70,7 @@ 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 {
@@ -159,7 +160,7 @@ struct lttng_consumer_channel {
 	/* For UST */
 	uid_t ust_app_uid;	/* Application UID. */
 	struct ustctl_consumer_channel *uchan;
-	unsigned char uuid[UUID_STR_LEN];
+	unsigned char uuid[LTTNG_UUID_STR_LEN];
 	/*
 	 * Temporary stream list used to store the streams once created and waiting
 	 * to be sent to the session daemon by receiving the
@@ -304,6 +305,11 @@ 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 +444,12 @@ 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
@@ -870,5 +876,6 @@ 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 */