actions: introduce start session action

[lttng-tools.git] / src / common / actions / action.c

diff --git a/src/common/actions/action.c b/src/common/actions/action.c
index f15163818c7a622b2ea24085afa1c4219bde240a..bd11301cc8ba1ae0f1062b120247f7aa043958bd 100644 (file)
--- a/src/common/actions/action.c
+++ b/src/common/actions/action.c
@@ -9,6 +9,7 @@
 #include <common/error.h>
 #include <lttng/action/action-internal.h>
 #include <lttng/action/notify-internal.h>
+#include <lttng/action/start-session-internal.h>
 
 static const char *lttng_action_type_string(enum lttng_action_type action_type)
 {
@@ -17,6 +18,8 @@ static const char *lttng_action_type_string(enum lttng_action_type action_type)
                return "UNKNOWN";
        case LTTNG_ACTION_TYPE_NOTIFY:
                return "NOTIFY";
+       case LTTNG_ACTION_TYPE_START_SESSION:
+               return "START_SESSION";
        default:
                return "???";
        }
@@ -40,11 +43,13 @@ void lttng_action_init(
                enum lttng_action_type type,
                action_validate_cb validate,
                action_serialize_cb serialize,
+               action_equal_cb equal,
                action_destroy_cb destroy)
 {
        action->type = type;
        action->validate = validate;
        action->serialize = serialize;
+       action->equal = equal;
        action->destroy = destroy;
 }
 
@@ -125,6 +130,10 @@ ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
        case LTTNG_ACTION_TYPE_NOTIFY:
                create_from_buffer_cb = lttng_action_notify_create_from_buffer;
                break;
+       case LTTNG_ACTION_TYPE_START_SESSION:
+               create_from_buffer_cb =
+                               lttng_action_start_session_create_from_buffer;
+               break;
        default:
                ERR("Failed to create action from buffer, unhandled action type: action-type=%u (%s)",
                                action_comm->action_type,
@@ -155,3 +164,28 @@ ssize_t lttng_action_create_from_buffer(const struct lttng_buffer_view *view,
 end:
        return consumed_len;
 }
+
+LTTNG_HIDDEN
+bool lttng_action_is_equal(const struct lttng_action *a,
+               const struct lttng_action *b)
+{
+       bool is_equal = false;
+
+       if (!a || !b) {
+               goto end;
+       }
+
+       if (a->type != b->type) {
+               goto end;
+       }
+
+       if (a == b) {
+               is_equal = true;
+               goto end;
+       }
+
+       assert(a->equal);
+       is_equal = a->equal(a, b);
+end:
+       return is_equal;
+}