Rename C++ header files to .hpp

[lttng-tools.git] / src / common / index / index.hpp

diff --git a/src/common/index/index.hpp b/src/common/index/index.hpp
new file mode 100644 (file)
index 0000000..00d8203
--- /dev/null
+++ b/src/common/index/index.hpp
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2016 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#ifndef _INDEX_H
+#define _INDEX_H
+
+#include <inttypes.h>
+#include <urcu/ref.h>
+
+#include "ctf-index.hpp"
+#include <common/fs-handle.hpp>
+#include <common/trace-chunk.hpp>
+
+struct lttng_index_file {
+       struct fs_handle *file;
+       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.
+ */
+enum lttng_trace_chunk_status 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 **file);
+
+enum lttng_trace_chunk_status 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,
+               bool expect_no_file, struct lttng_index_file **file);
+
+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 */