#define CONSUMER_METADATA_CACHE_H
#include <common/consumer/consumer.h>
+#include <common/dynamic-buffer.h>
enum consumer_metadata_cache_write_status {
CONSUMER_METADATA_CACHE_WRITE_STATUS_ERROR = -1,
};
struct consumer_metadata_cache {
- char *data;
- uint64_t cache_alloc_size;
- /*
- * Current version of the metadata cache.
- */
+ /* 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.
+ * Size is the upper-limit of data written inside the buffer.
* All cached data is contiguous.
*/
- uint64_t max_offset;
+ struct lttng_dynamic_buffer contents;
/*
* Lock to update the metadata cache and push into the ring_buffer
- * (ustctl_write_metadata_to_channel).
+ * (lttng_ust_ctl_write_metadata_to_channel).
*
* This is nested INSIDE the consumer_data lock.
*/
};
enum consumer_metadata_cache_write_status
-consumer_metadata_cache_write(struct lttng_consumer_channel *channel,
+consumer_metadata_cache_write(struct consumer_metadata_cache *cache,
unsigned int offset, unsigned int len, uint64_t version,
const char *data);
int consumer_metadata_cache_allocate(struct lttng_consumer_channel *channel);