/*
* Copyright (C) 2013 - Julien Desfossez <jdesfossez@efficios.com>
* David Goulet <dgoulet@efficios.com>
+ * 2016 - 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
#define _INDEX_H
#include <inttypes.h>
+#include <urcu/ref.h>
#include "ctf-index.h"
-int index_create_file(char *path_name, char *stream_name, int uid, int gid,
- uint64_t size, uint64_t count);
-ssize_t index_write(int fd, struct ctf_packet_index *index, size_t len);
-int index_open(const char *path_name, const char *channel_name,
- uint64_t tracefile_count, uint64_t tracefile_count_current);
+struct lttng_index_file {
+ int fd;
+ uint32_t major;
+ uint32_t minor;
+ uint32_t element_len;
+ struct urcu_ref ref;
+};
+
+/*
+ * create and open have refcount of 1. Use put to decrement the
+ * refcount. Destroys when reaching 0. Use "get" to increment refcount.
+ */
+struct lttng_index_file *lttng_index_file_create(char *path_name,
+ char *stream_name, int uid, int gid, uint64_t size,
+ uint64_t count, uint32_t major, uint32_t minor);
+struct lttng_index_file *lttng_index_file_open(const char *path_name,
+ const char *channel_name, uint64_t tracefile_count,
+ uint64_t tracefile_count_current);
+int lttng_index_file_write(const struct lttng_index_file *index_file,
+ const struct ctf_packet_index *element);
+int lttng_index_file_read(const struct lttng_index_file *index_file,
+ struct ctf_packet_index *element);
+
+void lttng_index_file_get(struct lttng_index_file *index_file);
+void lttng_index_file_put(struct lttng_index_file *index_file);
#endif /* _INDEX_H */