Permit custom consumer registration to a session

[lttng-tools.git] / include / lttng-sessiond-comm.h

diff --git a/include/lttng-sessiond-comm.h b/include/lttng-sessiond-comm.h
index be903a6ce3f9f66c909864f1cfbaf2a75743e2a7..019f92ec51d6ec62a7e610cb40a3a32fea3f4429 100644 (file)
--- a/include/lttng-sessiond-comm.h
+++ b/include/lttng-sessiond-comm.h
@@ -63,6 +63,7 @@ enum lttcomm_sessiond_command {
        LTTNG_LIST_EVENTS,
        LTTNG_LIST_SESSIONS,
        LTTNG_LIST_TRACEPOINTS,
+       LTTNG_REGISTER_CONSUMER,
        LTTNG_START_TRACE,
        LTTNG_STOP_TRACE,
 };
@@ -91,6 +92,7 @@ enum lttcomm_return_code {
        LTTCOMM_SELECT_SESS,                    /* Must select a session */
        LTTCOMM_EXIST_SESS,                             /* Session name already exist */
        LTTCOMM_NO_EVENT,                               /* No event found */
+       LTTCOMM_CONNECT_FAIL,           /* Unable to connect to unix socket */
        LTTCOMM_KERN_NA,                                /* Kernel tracer unavalable */
        LTTCOMM_KERN_EVENT_EXIST,       /* Kernel event already exists */
        LTTCOMM_KERN_SESS_FAIL,                 /* Kernel create session failed */
@@ -154,6 +156,10 @@ struct lttcomm_session_msg {
                        char event_name[NAME_MAX];
                        struct lttng_event_context ctx;
                } context;
+               /* Use by register_consumer */
+               struct {
+                       char path[PATH_MAX];
+               } reg;
                /* List */
                struct {
                        char channel_name[NAME_MAX];
@@ -193,6 +199,7 @@ struct lttcomm_kconsumerd_msg {
        int fd;
        uint32_t state;    /* enum lttcomm_kconsumerd_fd_state */
        unsigned long max_sb_size; /* the subbuffer size for this channel */
+       enum lttng_event_output output; /* use splice or mmap to consume this fd */
 };
 
 extern int lttcomm_create_unix_sock(const char *pathname);