Rename C++ header files to .hpp

[lttng-tools.git] / src / bin / lttng-relayd / index.hpp

diff --git a/src/bin/lttng-relayd/index.hpp b/src/bin/lttng-relayd/index.hpp
new file mode 100644 (file)
index 0000000..cb29485
--- /dev/null
+++ b/src/bin/lttng-relayd/index.hpp
@@ -0,0 +1,73 @@
+#ifndef _RELAY_INDEX_H
+#define _RELAY_INDEX_H
+
+/*
+ * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
+ * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
+ * Copyright (C) 2015 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0-only
+ *
+ */
+
+#include <inttypes.h>
+#include <pthread.h>
+
+#include <common/hashtable/hashtable.hpp>
+#include <common/index/index.hpp>
+
+struct relay_stream;
+struct relay_connection;
+struct lttcomm_relayd_index;
+
+struct relay_index {
+       /*
+        * index lock nests inside stream lock.
+        */
+       struct urcu_ref ref;            /* Reference from getters. */
+       struct relay_stream *stream;    /* Back ref to stream */
+
+       pthread_mutex_t lock;
+       /*
+        * index file on which to write the index data. May differ from
+        * stream->index_file due to tracefile rotation.
+        */
+       struct lttng_index_file *index_file;
+
+       /* Index packet data. This is the data that is written on disk. */
+       struct ctf_packet_index index_data;
+       /* Data + padding size of this packet, filled by the data thread. */
+       uint64_t total_size;
+
+       bool has_index_data;
+       bool flushed;
+       bool in_hash_table;
+
+       /*
+        * Node within indexes_ht that corresponds to this struct
+        * relay_index. Indexed by net_seq_num, which is unique for this
+        * index across the stream.
+        */
+       struct lttng_ht_node_u64 index_n;
+       struct rcu_head rcu_node;       /* For call_rcu teardown. */
+};
+
+struct relay_index *relay_index_get_by_id_or_create(struct relay_stream *stream,
+               uint64_t net_seq_num);
+void relay_index_put(struct relay_index *index);
+int relay_index_set_file(struct relay_index *index,
+               struct lttng_index_file *index_file,
+               uint64_t data_offset);
+int relay_index_set_data(struct relay_index *index,
+               const struct ctf_packet_index *data);
+int relay_index_try_flush(struct relay_index *index);
+
+void relay_index_close_all(struct relay_stream *stream);
+void relay_index_close_partial_fd(struct relay_stream *stream);
+uint64_t relay_index_find_last(struct relay_stream *stream);
+int relay_index_switch_all_files(struct relay_stream *stream);
+int relay_index_set_control_data(struct relay_index *index,
+               const struct lttcomm_relayd_index *data,
+               unsigned int minor_version);
+
+#endif /* _RELAY_INDEX_H */