X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fconsumer%2Fconsumer-metadata-cache.h;h=b8f4efadc4c5ec59913cb75ea1644882fab2331b;hb=HEAD;hp=4c029b90e9208fdf74b1e8a6745028de49bb340a;hpb=b1316da1ffbd276fc8271e7a9438e683ad352781;p=lttng-tools.git

diff --git a/src/common/consumer/consumer-metadata-cache.h b/src/common/consumer/consumer-metadata-cache.h
deleted file mode 100644
index 4c029b90e..000000000
--- a/src/common/consumer/consumer-metadata-cache.h
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (C) 2013 Julien Desfossez <jdesfossez@efficios.com>
- * Copyright (C) 2013 David Goulet <dgoulet@efficios.com>
- *
- * SPDX-License-Identifier: GPL-2.0-only
- *
- */
-
-#ifndef CONSUMER_METADATA_CACHE_H
-#define CONSUMER_METADATA_CACHE_H
-
-#include <common/consumer/consumer.h>
-
-enum consumer_metadata_cache_write_status {
-	CONSUMER_METADATA_CACHE_WRITE_STATUS_ERROR = -1,
-	/*
-	 * New metadata content was appended to the cache successfully.
-	 * Previously available content remains valid.
-	 */
-	CONSUMER_METADATA_CACHE_WRITE_STATUS_APPENDED_CONTENT = 0,
-	/*
-	 * The new content pushed to the cache invalidated the content that
-	 * was already present. The contents of the cache should be re-read.
-	 */
-	CONSUMER_METADATA_CACHE_WRITE_STATUS_INVALIDATED,
-	/*
-	 * A metadata cache write can simply overwrite an already existing
-	 * section of the cache (and it should be a write-through with identical
-	 * data). From the caller's standpoint, there is no change to the state
-	 * of the cache.
-	 */
-	CONSUMER_METADATA_CACHE_WRITE_STATUS_NO_CHANGE,
-};
-
-struct consumer_metadata_cache {
-	char *data;
-	uint64_t cache_alloc_size;
-	/*
-	 * Current version of the metadata cache.
-	 */
-	uint64_t version;
-	/*
-	 * The upper-limit of data written inside the buffer.
-	 *
-	 * With the total_bytes_written it allows us to keep track of when the
-	 * cache contains contiguous metadata ready to be sent to the RB.
-	 * All cached data is contiguous.
-	 */
-	uint64_t max_offset;
-	/*
-	 * Lock to update the metadata cache and push into the ring_buffer
-	 * (ustctl_write_metadata_to_channel).
-	 *
-	 * This is nested INSIDE the consumer_data lock.
-	 */
-	pthread_mutex_t lock;
-};
-
-enum consumer_metadata_cache_write_status
-consumer_metadata_cache_write(struct lttng_consumer_channel *channel,
-		unsigned int offset, unsigned int len, uint64_t version,
-		const char *data);
-int consumer_metadata_cache_allocate(struct lttng_consumer_channel *channel);
-void consumer_metadata_cache_destroy(struct lttng_consumer_channel *channel);
-int consumer_metadata_cache_flushed(struct lttng_consumer_channel *channel,
-		uint64_t offset, int timer);
-
-#endif /* CONSUMER_METADATA_CACHE_H */