X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Ftracefile-array.c;h=05ce3ad34520c9f09c7bb91fe2b235684c2a106d;hp=3d62317ac76d7a6fbe2d731a9991aa788181db78;hb=505b2d90aa87592186ecc2a119cf67fb3f90d168;hpb=78118e3bdace1208479db18df6553ab9c4400426

diff --git a/src/bin/lttng-relayd/tracefile-array.c b/src/bin/lttng-relayd/tracefile-array.c
index 3d62317ac..05ce3ad34 100644
--- a/src/bin/lttng-relayd/tracefile-array.c
+++ b/src/bin/lttng-relayd/tracefile-array.c
@@ -1,18 +1,8 @@
 /*
- * Copyright (C) 2015 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@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.
  */
 
 #define _LGPL_SOURCE
@@ -62,6 +52,22 @@ void tracefile_array_destroy(struct tracefile_array *tfa)
 	free(tfa);
 }
 
+void tracefile_array_reset(struct tracefile_array *tfa)
+{
+	size_t count, i;
+
+	count = tfa->count;
+	for (i = 0; i < count; i++) {
+		tfa->tf[i].seq_head = -1ULL;
+		tfa->tf[i].seq_tail = -1ULL;
+	}
+	tfa->seq_head = -1ULL;
+	tfa->seq_tail = -1ULL;
+	tfa->file_head_read = 0;
+	tfa->file_head_write = 0;
+	tfa->file_tail = 0;
+}
+
 void tracefile_array_file_rotate(struct tracefile_array *tfa,
 		enum tracefile_rotate_type type)
 {
@@ -104,15 +110,16 @@ void tracefile_array_file_rotate(struct tracefile_array *tfa,
 	}
 }
 
-void tracefile_array_commit_seq(struct tracefile_array *tfa)
+void tracefile_array_commit_seq(struct tracefile_array *tfa,
+		uint64_t new_seq_head)
 {
 	uint64_t *headp, *tailp;
 
 	/* Increment overall head. */
-	tfa->seq_head++;
-	/* If we are committing our first index overall, set tail to 0. */
+	tfa->seq_head = new_seq_head;
+	/* If we are committing our first index overall, set tail to head. */
 	if (tfa->seq_tail == -1ULL) {
-		tfa->seq_tail = 0;
+		tfa->seq_tail = new_seq_head;
 	}
 	if (!tfa->count) {
 		/* Not in tracefile rotation mode. */