relayd: Implement custom EfficiOS session clear

[lttng-tools.git] / src / bin / lttng-relayd / tracefile-array.c

diff --git a/src/bin/lttng-relayd/tracefile-array.c b/src/bin/lttng-relayd/tracefile-array.c
index 20b760c06893f2387968f3f773dd2cd846675fa1..3c62af142cb358bf717c32301d727d3729c4e5c5 100644 (file)
--- a/src/bin/lttng-relayd/tracefile-array.c
+++ b/src/bin/lttng-relayd/tracefile-array.c
@@ -62,6 +62,21 @@ 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 = 0;
+       tfa->file_tail = 0;
+}
+
 void tracefile_array_file_rotate(struct tracefile_array *tfa)
 {
        uint64_t *headp, *tailp;
@@ -90,15 +105,16 @@ void tracefile_array_file_rotate(struct tracefile_array *tfa)
        *tailp = -1ULL;
 }
 
-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. */
@@ -147,7 +163,6 @@ bool tracefile_array_seq_in_file(struct tracefile_array *tfa,
                 */
                return true;
        }
-       assert(file_index < tfa->count);
        if (seq == -1ULL) {
                return false;
        }