X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=src%2Fcommon%2Findex%2Findex.h;h=3dbe458f3985cc6ab7b702e0afd501e96bc96dd5;hb=14c4262b940630bbb75f68b8c2eaef2b134a62d9;hp=744fe0107f82e22a1f73c4fb208beec964012dab;hpb=50adc26400482c07210afcda8ef1d3322f75871d;p=lttng-tools.git

diff --git a/src/common/index/index.h b/src/common/index/index.h
index 744fe0107..3dbe458f3 100644
--- a/src/common/index/index.h
+++ b/src/common/index/index.h
@@ -1,6 +1,7 @@
 /*
  * 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
@@ -20,11 +21,41 @@
 #define _INDEX_H
 
 #include <inttypes.h>
+#include <urcu/ref.h>
 
+#include <common/trace-chunk.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);
+struct lttng_index_file {
+	int fd;
+	uint32_t major;
+	uint32_t minor;
+	uint32_t element_len;
+	struct lttng_trace_chunk *trace_chunk;
+	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_from_trace_chunk(
+		struct lttng_trace_chunk *chunk,
+		const char *channel_path, const char *stream_name,
+		uint64_t stream_file_size, uint64_t stream_count,
+		uint32_t index_major, uint32_t index_minor,
+		bool unlink_existing_file);
+struct lttng_index_file *lttng_index_file_create_from_trace_chunk_read_only(
+		struct lttng_trace_chunk *chunk,
+		const char *channel_path, const char *stream_name,
+		uint64_t stream_file_size, uint64_t stream_file_index,
+		uint32_t index_major, uint32_t index_minor);
+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 */