Fix: event field value: assertion fails on empty string

[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 b145aeb061712e545066f5bc31041558893878a3..bd4611ef1664b90f5d63a98049234dca2d048b53 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -54,6 +54,7 @@
 #define LTTCOMM_ERR_INDEX(code) (code - LTTCOMM_CONSUMERD_COMMAND_SOCK_READY)
 
 enum lttcomm_sessiond_command {
+       LTTCOMM_SESSIOND_COMMAND_MIN                    = -1,
        /* Tracer command */
        LTTNG_ADD_CONTEXT                               = 0,
        /* LTTNG_CALIBRATE used to be here */
@@ -108,8 +109,15 @@ enum lttcomm_sessiond_command {
        LTTNG_CLEAR_SESSION                             = 50,
        LTTNG_LIST_TRIGGERS                             = 51,
        LTTNG_EXECUTE_ERROR_QUERY                       = 52,
+       LTTCOMM_SESSIOND_COMMAND_MAX,
 };
 
+static inline
+bool lttcomm_sessiond_command_is_valid(enum lttcomm_sessiond_command cmd)
+{
+       return cmd > LTTCOMM_SESSIOND_COMMAND_MIN && cmd < LTTCOMM_SESSIOND_COMMAND_MAX;
+}
+
 static inline
 const char *lttcomm_sessiond_command_str(enum lttcomm_sessiond_command cmd)
 {
@@ -393,9 +401,7 @@ struct lttcomm_session_msg {
                /* Context */
                struct {
                        char channel_name[LTTNG_SYMBOL_NAME_LEN];
-                       struct lttng_event_context ctx;
-                       uint32_t provider_name_len;
-                       uint32_t context_name_len;
+                       uint32_t length;
                } LTTNG_PACKED context;
                /* Use by register_consumer */
                struct {