relayd: implement file and session rotation on top of trace chunks

[lttng-tools.git] / src / common / sessiond-comm / sessiond-comm.h

diff --git a/src/common/sessiond-comm/sessiond-comm.h b/src/common/sessiond-comm/sessiond-comm.h
index d9177cf37d8554c723e94a80a448839071042fc6..a1be2d0a029c72e6ddb0fb2b4abd8f66a9136e2e 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -131,14 +131,14 @@ enum lttcomm_relayd_command {
        RELAYD_STREAMS_SENT                 = 16,
        /* Ask the relay to reset the metadata trace file (2.8+) */
        RELAYD_RESET_METADATA               = 17,
-       /* Ask the relay to rotate a stream file (2.11+) */
-       RELAYD_ROTATE_STREAM                = 18,
-       /* Rename a chunk after the rotation is completed (2.11+) */
-       RELAYD_ROTATE_RENAME                = 19,
-       /* Check if a chunk has data pending (2.11+) */
-       RELAYD_ROTATE_PENDING               = 20,
-       /* Create a folder on the relayd FS (2.11+) */
-       RELAYD_MKDIR                        = 21,
+       /* Ask the relay to rotate a set of stream files (2.11+) */
+       RELAYD_ROTATE_STREAMS                = 18,
+       /* Ask the relay to create a trace chunk (2.11+) */
+       RELAYD_CREATE_TRACE_CHUNK           = 19,
+       /* Ask the relay to close a trace chunk (2.11+) */
+       RELAYD_CLOSE_TRACE_CHUNK            = 20,
+       /* Ask the relay whether a trace chunk exists (2.11+) */
+       RELAYD_TRACE_CHUNK_EXISTS           = 21,
 };
 
 /*
@@ -639,16 +639,18 @@ struct lttcomm_consumer_msg {
                        uint64_t session_id;
                        uint64_t chunk_id;
                        uint64_t creation_timestamp;
-                       struct {
+                       LTTNG_OPTIONAL_COMM(struct {
                                uint32_t uid;
                                uint32_t gid;
-                       } LTTNG_PACKED credentials;
+                       } LTTNG_PACKED ) LTTNG_PACKED credentials;
                } LTTNG_PACKED create_trace_chunk;
                struct {
                        LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id;
                        uint64_t session_id;
                        uint64_t chunk_id;
                        uint64_t close_timestamp;
+                       /* enum lttng_trace_chunk_command_type */
+                       LTTNG_OPTIONAL_COMM(uint32_t) LTTNG_PACKED close_command;
                } LTTNG_PACKED close_trace_chunk;
                struct {
                        LTTNG_OPTIONAL_COMM(uint64_t) LTTNG_PACKED relayd_id;