MI: implement all objects related to trigger machine interface

[lttng-tools.git] / src / common / conditions / event-rule-matches.c

diff --git a/src/common/conditions/event-rule-matches.c b/src/common/conditions/event-rule-matches.c
index 259173a63b3a94432461d74d92f216ac6f9b0ec2..21963d1ae9f12d380ed2cbbf82339f3d6ffcc19f 100644 (file)
--- a/src/common/conditions/event-rule-matches.c
+++ b/src/common/conditions/event-rule-matches.c
@@ -8,6 +8,7 @@
 #include <assert.h>
 #include <common/error.h>
 #include <common/macros.h>
+#include <common/mi-lttng.h>
 #include <inttypes.h>
 #include <limits.h>
 #include <lttng/condition/condition-internal.h>
@@ -433,6 +434,81 @@ void destroy_capture_descriptor(void *ptr)
        free(desc);
 }
 
+static enum lttng_error_code lttng_condition_event_rule_matches_mi_serialize(
+               const struct lttng_condition *condition,
+               struct mi_writer *writer)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       enum lttng_condition_status status;
+       const struct lttng_event_rule *rule = NULL;
+       unsigned int capture_descriptor_count, i;
+
+       assert(condition);
+       assert(writer);
+       assert(IS_EVENT_RULE_MATCHES_CONDITION(condition));
+
+       status = lttng_condition_event_rule_matches_get_rule(condition, &rule);
+       assert(status == LTTNG_CONDITION_STATUS_OK);
+       assert(rule != NULL);
+
+       status = lttng_condition_event_rule_matches_get_capture_descriptor_count(
+                       condition, &capture_descriptor_count);
+       assert(status == LTTNG_CONDITION_STATUS_OK);
+
+       /* Open condition event rule matches element. */
+       ret = mi_lttng_writer_open_element(
+                       writer, mi_lttng_element_condition_event_rule_matches);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Serialize the event rule. */
+       ret_code = lttng_event_rule_mi_serialize(rule, writer);
+       if (ret_code != LTTNG_OK) {
+               goto end;
+       }
+
+       /* Open the capture descriptors element. */
+       ret = mi_lttng_writer_open_element(
+                       writer, mi_lttng_element_capture_descriptors);
+       if (ret) {
+               goto mi_error;
+       }
+
+       for (i = 0; i < capture_descriptor_count; i++) {
+               const struct lttng_event_expr *descriptor = NULL;
+
+               descriptor = lttng_condition_event_rule_matches_get_capture_descriptor_at_index(
+                               condition, i);
+               assert(descriptor);
+
+               ret_code = lttng_event_expr_mi_serialize(descriptor, writer);
+               if (ret_code != LTTNG_OK) {
+                       goto end;
+               }
+       }
+
+       /* Close capture descriptors element. */
+       ret = mi_lttng_writer_close_element(writer);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Close condition_event_rule_matches. */
+       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:
+       return ret_code;
+}
+
 struct lttng_condition *lttng_condition_event_rule_matches_create(
                struct lttng_event_rule *rule)
 {
@@ -456,6 +532,7 @@ struct lttng_condition *lttng_condition_event_rule_matches_create(
                        lttng_condition_event_rule_matches_serialize,
        condition->parent.equal = lttng_condition_event_rule_matches_is_equal,
        condition->parent.destroy = lttng_condition_event_rule_matches_destroy,
+       condition->parent.mi_serialize = lttng_condition_event_rule_matches_mi_serialize,
 
        lttng_event_rule_get(rule);
        condition->rule = rule;