Common Trace Format 2 generation

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

diff --git a/src/bin/lttng-relayd/tracefile-array.h b/src/bin/lttng-relayd/tracefile-array.h
deleted file mode 100644 (file)
index 09c425f..0000000
--- a/src/bin/lttng-relayd/tracefile-array.h
+++ /dev/null
@@ -1,72 +0,0 @@
-#ifndef _TRACEFILE_ARRAY_H
-#define _TRACEFILE_ARRAY_H
-
-/*
- * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#include <limits.h>
-#include <inttypes.h>
-#include <pthread.h>
-#include <stdbool.h>
-
-struct tracefile {
-       /* Per-tracefile head/tail seq. */
-       uint64_t seq_head;      /* Newest seqcount. Inclusive. */
-       uint64_t seq_tail;      /* Oldest seqcount. Inclusive. */
-};
-
-enum tracefile_rotate_type {
-       TRACEFILE_ROTATE_READ,
-       TRACEFILE_ROTATE_WRITE,
-};
-
-/*
- * Represents an array of trace files in a stream.
- * head is the most recent file/trace packet.
- * tail is the oldest file/trace packet.
- *
- * There are two heads: a "read" head and a "write" head. The "write" head is
- * the position of the newest data file. The "read" head position is only moved
- * forward when the index is received.
- *
- * The viewer uses the "read" head position as upper bound, which
- * ensures it never attempts to open a non-existing index file.
- */
-struct tracefile_array {
-       struct tracefile *tf;
-       size_t count;
-
-       /* Current head/tail files. */
-       uint64_t file_head_read;
-       uint64_t file_head_write;
-       uint64_t file_tail;
-
-       /* Overall head/tail seq for the entire array. Inclusive. */
-       uint64_t seq_head;
-       uint64_t seq_tail;
-};
-
-struct tracefile_array *tracefile_array_create(size_t count);
-void tracefile_array_destroy(struct tracefile_array *tfa);
-
-void tracefile_array_file_rotate(struct tracefile_array *tfa, enum tracefile_rotate_type type);
-void tracefile_array_commit_seq(struct tracefile_array *tfa,
-               uint64_t new_seq_head);
-void tracefile_array_reset(struct tracefile_array *tfa);
-
-uint64_t tracefile_array_get_read_file_index_head(struct tracefile_array *tfa);
-/* May return -1ULL in the case where we have not received any indexes yet. */
-uint64_t tracefile_array_get_seq_head(struct tracefile_array *tfa);
-
-uint64_t tracefile_array_get_file_index_tail(struct tracefile_array *tfa);
-/* May return -1ULL in the case where we have not received any indexes yet. */
-uint64_t tracefile_array_get_seq_tail(struct tracefile_array *tfa);
-
-bool tracefile_array_seq_in_file(struct tracefile_array *tfa,
-               uint64_t file_index, uint64_t seq);
-
-#endif /* _STREAM_H */