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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-05-21 18:55:22 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2019-05-21 18:55:22 +0000 |
| commit | 61d0027904ee9c040985b1642ca228737d616d03 (patch) | |
| tree | c90838c137b4dc4a2de1cff9f2d7be5552d605e7 /database/engine/journalfile.h | |
| parent | Adding upstream version 1.14.0. (diff) | |
| download | netdata-61d0027904ee9c040985b1642ca228737d616d03.tar.xz netdata-61d0027904ee9c040985b1642ca228737d616d03.zip | |
Adding upstream version 1.15.0.upstream/1.15.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'database/engine/journalfile.h')
| -rw-r--r-- | database/engine/journalfile.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/database/engine/journalfile.h b/database/engine/journalfile.h new file mode 100644 index 000000000..50489aeee --- /dev/null +++ b/database/engine/journalfile.h @@ -0,0 +1,46 @@ +// 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 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 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 */
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