From c69cb8cc094cc916adbc516b09e944cd3d137c01 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 13:08:07 +0200 Subject: Adding upstream version 1.29.3. Signed-off-by: Daniel Baumann --- database/engine/journalfile.h | 49 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 database/engine/journalfile.h (limited to 'database/engine/journalfile.h') diff --git a/database/engine/journalfile.h b/database/engine/journalfile.h new file mode 100644 index 0000000..f6c43cd --- /dev/null +++ b/database/engine/journalfile.h @@ -0,0 +1,49 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_JOURNALFILE_H +#define NETDATA_JOURNALFILE_H + +#include "rrdengine.h" + +/* Forward declarations */ +struct rrdengine_instance; +struct rrdengine_worker_config; +struct rrdengine_datafile; +struct rrdengine_journalfile; + +#define WALFILE_PREFIX "journalfile-" +#define WALFILE_EXTENSION ".njf" + + +/* only one event loop is supported for now */ +struct rrdengine_journalfile { + uv_file file; + uint64_t pos; + + struct rrdengine_datafile *datafile; +}; + +/* only one event loop is supported for now */ +struct transaction_commit_log { + uint64_t transaction_id; + + /* outstanding transaction buffer */ + void *buf; + unsigned buf_pos; + unsigned buf_size; +}; + +extern void generate_journalfilepath(struct rrdengine_datafile *datafile, char *str, size_t maxlen); +extern void journalfile_init(struct rrdengine_journalfile *journalfile, struct rrdengine_datafile *datafile); +extern void *wal_get_transaction_buffer(struct rrdengine_worker_config* wc, unsigned size); +extern void wal_flush_transaction_buffer(struct rrdengine_worker_config* wc); +extern int close_journal_file(struct rrdengine_journalfile *journalfile, struct rrdengine_datafile *datafile); +extern int unlink_journal_file(struct rrdengine_journalfile *journalfile); +extern int destroy_journal_file(struct rrdengine_journalfile *journalfile, struct rrdengine_datafile *datafile); +extern int create_journal_file(struct rrdengine_journalfile *journalfile, struct rrdengine_datafile *datafile); +extern int load_journal_file(struct rrdengine_instance *ctx, struct rrdengine_journalfile *journalfile, + struct rrdengine_datafile *datafile); +extern void init_commit_log(struct rrdengine_instance *ctx); + + +#endif /* NETDATA_JOURNALFILE_H */ \ No newline at end of file -- cgit v1.2.3