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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 11:08:07 +0000
commitc69cb8cc094cc916adbc516b09e944cd3d137c01 (patch)
treef2878ec41fb6d0e3613906c6722fc02b934eeb80 /database/engine/journalfile.h
parentInitial commit. (diff)
downloadnetdata-003423236c4cd249ed4246231d71a062f8f3d45a.tar.xz
netdata-003423236c4cd249ed4246231d71a062f8f3d45a.zip
Adding upstream version 1.29.3.upstream/1.29.3upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'database/engine/journalfile.h')
-rw-r--r--database/engine/journalfile.h49
1 files changed, 49 insertions, 0 deletions
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