Save/load: support session trace format

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

diff --git a/src/common/sessiond-comm/sessiond-comm.hpp b/src/common/sessiond-comm/sessiond-comm.hpp
index f5e55ec34e1e7557fbaf1ded64981a9799c1a44d..2ef6544761fdd7b3595b2fe3984ba05cf9c48c25 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.hpp
+++ b/src/common/sessiond-comm/sessiond-comm.hpp
@@ -103,6 +103,7 @@ enum lttcomm_sessiond_command {
        LTTNG_CLEAR_SESSION                             = 50,
        LTTNG_LIST_TRIGGERS                             = 51,
        LTTNG_EXECUTE_ERROR_QUERY                       = 52,
+       LTTNG_EXECUTE_TRACE_FORMAT_SUPPORT_QUERY        = 53,
 };
 
 static inline
@@ -195,6 +196,8 @@ const char *lttcomm_sessiond_command_str(enum lttcomm_sessiond_command cmd)
                return "LTTNG_LIST_TRIGGERS";
        case LTTNG_EXECUTE_ERROR_QUERY:
                return "LTTNG_EXECUTE_ERROR_QUERY";
+       case LTTNG_EXECUTE_TRACE_FORMAT_SUPPORT_QUERY:
+               return "LTTNG_EXECUTE_TRACE_FORMAT_SUPPORT_QUERY";
        default:
                abort();
        }
@@ -535,6 +538,12 @@ struct lttcomm_session_msg {
                        uint64_t session_descriptor_size;
                        /* An lttng_session_descriptor follows. */
                } LTTNG_PACKED create_session;
+               struct {
+                       uint32_t query_type;
+                       uint32_t type_payload_length;
+                       uint32_t trace_format_length;
+               } LTTNG_PACKED trace_format_support_query;
+
        } u;
        /* Count of fds sent. */
        uint32_t fd_count;