MI: implement all objects related to trigger machine interface

[lttng-tools.git] / src / common / conditions / condition.c

diff --git a/src/common/conditions/condition.c b/src/common/conditions/condition.c
index 4b290cdb4c1b7dc2e594c5f368f909f3394050af..2a21f8190d22ec7e2357df94bd77888557d56493 100644 (file)
--- a/src/common/conditions/condition.c
+++ b/src/common/conditions/condition.c
@@ -5,17 +5,19 @@
  *
  */
 
-#include <lttng/condition/condition-internal.h>
+#include <assert.h>
+#include <common/buffer-view.h>
+#include <common/dynamic-buffer.h>
+#include <common/error.h>
+#include <common/macros.h>
+#include <common/mi-lttng.h>
 #include <lttng/condition/buffer-usage-internal.h>
+#include <lttng/condition/condition-internal.h>
 #include <lttng/condition/event-rule-matches-internal.h>
 #include <lttng/condition/session-consumed-size-internal.h>
 #include <lttng/condition/session-rotation-internal.h>
-#include <common/macros.h>
-#include <common/error.h>
-#include <common/dynamic-buffer.h>
-#include <common/buffer-view.h>
+#include <lttng/error-query-internal.h>
 #include <stdbool.h>
-#include <assert.h>
 
 enum lttng_condition_type lttng_condition_get_type(
                const struct lttng_condition *condition)
@@ -238,3 +240,61 @@ const char *lttng_condition_type_str(enum lttng_condition_type type)
                return "???";
        }
 }
+
+LTTNG_HIDDEN
+enum lttng_error_code lttng_condition_mi_serialize(
+               const struct lttng_trigger *trigger,
+               const struct lttng_condition *condition,
+               struct mi_writer *writer,
+               const struct mi_lttng_error_query_callbacks *error_query_callbacks)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       struct lttng_error_query_results *error_query_results = NULL;
+
+       assert(condition);
+       assert(writer);
+       assert(condition->mi_serialize);
+
+       /* Open condition element. */
+       ret = mi_lttng_writer_open_element(writer, mi_lttng_element_condition);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Serialize underlying condition. */
+       ret_code = condition->mi_serialize(condition, writer);
+       if (ret_code != LTTNG_OK) {
+               goto end;
+       }
+
+       /* Serialize error query results for the action. */
+       if (error_query_callbacks && error_query_callbacks->action_cb) {
+               ret_code = error_query_callbacks->condition_cb(
+                               trigger, &error_query_results);
+               if (ret_code != LTTNG_OK) {
+                       goto end;
+               }
+
+               ret_code = lttng_error_query_results_mi_serialize(
+                               error_query_results, writer);
+               if (ret_code != LTTNG_OK) {
+                       goto end;
+               }
+       }
+
+       /* Close condition element. */
+       ret = mi_lttng_writer_close_element(writer);
+       if (ret) {
+               goto mi_error;
+       }
+
+       ret_code = LTTNG_OK;
+       goto end;
+
+mi_error:
+       ret_code = LTTNG_ERR_MI_IO_FAIL;
+end:
+       lttng_error_query_results_destroy(error_query_results);
+       return ret_code;
+}