On-disk multiple tracefiles circular buffer

[lttng-tools.git] / src / common / consumer.h

diff --git a/src/common/consumer.h b/src/common/consumer.h
index 46387522ec50c8a9509077f88a06213ef8c7c22e..6fd4e2e5ce5ae08160475b3d6ba02d4069ca95df 100644 (file)
--- a/src/common/consumer.h
+++ b/src/common/consumer.h
@@ -146,6 +146,9 @@ struct lttng_consumer_channel {
        /* For metadata periodical flush */
        int switch_timer_enabled;
        timer_t switch_timer;
+       /* On-disk circular buffer */
+       uint64_t tracefile_size;
+       uint64_t tracefile_count;
 };
 
 /*
@@ -233,6 +236,9 @@ struct lttng_consumer_stream {
        /* Internal state of libustctl. */
        struct ustctl_consumer_stream *ustream;
        struct cds_list_head send_node;
+       /* On-disk circular buffer */
+       uint64_t tracefile_size_current;
+       uint64_t tracefile_count_current;
 };
 
 /*
@@ -460,7 +466,9 @@ struct lttng_consumer_channel *consumer_allocate_channel(uint64_t key,
                uid_t uid,
                gid_t gid,
                int relayd_id,
-               enum lttng_event_output output);
+               enum lttng_event_output output,
+               uint64_t tracefile_size,
+               uint64_t tracefile_count);
 void consumer_del_stream(struct lttng_consumer_stream *stream,
                struct lttng_ht *ht);
 void consumer_del_metadata_stream(struct lttng_consumer_stream *stream,
@@ -486,6 +494,7 @@ struct lttng_consumer_local_data *lttng_consumer_create(
                int (*recv_stream)(struct lttng_consumer_stream *stream),
                int (*update_stream)(int sessiond_key, uint32_t state));
 void lttng_consumer_destroy(struct lttng_consumer_local_data *ctx);
+int lttng_create_output_file(struct lttng_consumer_stream *stream);
 ssize_t lttng_consumer_on_read_subbuffer_mmap(
                struct lttng_consumer_local_data *ctx,
                struct lttng_consumer_stream *stream, unsigned long len,