/*
- * Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
- * Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- * David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
*
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
+ * SPDX-License-Identifier: MIT
*
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
*/
#ifndef LTTNG_INDEX_H
#define LTTNG_INDEX_H
+#include <common/compat/endian.h>
+#include <common/macros.h>
+
+#include <stdint.h>
#include <limits.h>
+#include <stddef.h>
#define CTF_INDEX_MAGIC 0xC1F1DCC1
#define CTF_INDEX_MAJOR 1
-#define CTF_INDEX_MINOR 0
+#define CTF_INDEX_MINOR 1
/*
* Header at the beginning of each index file.
uint64_t timestamp_begin;
uint64_t timestamp_end;
uint64_t events_discarded;
- uint64_t stream_id;
+ uint64_t stream_id; /* ID of the channel */
+ /* CTF_INDEX 1.0 limit */
+ uint64_t stream_instance_id; /* ID of the channel instance */
+ uint64_t packet_seq_num; /* packet sequence number */
} __attribute__((__packed__));
+static inline size_t ctf_packet_index_len(uint32_t major, uint32_t minor)
+{
+ if (major == 1) {
+ switch (minor) {
+ case 0:
+ return offsetof(struct ctf_packet_index, stream_id)
+ + member_sizeof(struct ctf_packet_index,
+ stream_id);
+ case 1:
+ return offsetof(struct ctf_packet_index, packet_seq_num)
+ + member_sizeof(struct ctf_packet_index,
+ packet_seq_num);
+ default:
+ abort();
+ }
+ }
+ abort();
+}
+
+static inline uint32_t lttng_to_index_major(uint32_t lttng_major,
+ uint32_t lttng_minor __attribute__((unused)))
+{
+ if (lttng_major == 2) {
+ return 1;
+ }
+ abort();
+}
+
+static inline uint32_t lttng_to_index_minor(uint32_t lttng_major,
+ uint32_t lttng_minor)
+{
+ if (lttng_major == 2) {
+ if (lttng_minor < 8) {
+ return 0;
+ } else {
+ return 1;
+ }
+ }
+ abort();
+}
+
+static inline void ctf_packet_index_file_hdr_init(
+ struct ctf_packet_index_file_hdr *hdr,
+ uint32_t idx_major, uint32_t idx_minor)
+{
+ memset(hdr, 0, sizeof(*hdr));
+ hdr->magic = htobe32(CTF_INDEX_MAGIC);
+ hdr->index_major = htobe32(idx_major);
+ hdr->index_minor = htobe32(idx_minor);
+ hdr->packet_index_len = htobe32(
+ ctf_packet_index_len(idx_major, idx_minor));
+}
+
#endif /* LTTNG_INDEX_H */