MI: implement all objects related to trigger machine interface

[lttng-tools.git] / src / common / log-level-rule.c

diff --git a/src/common/log-level-rule.c b/src/common/log-level-rule.c
index ca8e439e70adade5fe78c32fb776445ceda33544..5c0da4d1a471118de60d968f7dc2d0771398cffc 100644 (file)
--- a/src/common/log-level-rule.c
+++ b/src/common/log-level-rule.c
@@ -8,9 +8,10 @@
 #include <assert.h>
 #include <common/dynamic-buffer.h>
 #include <common/error.h>
-#include <common/macros.h>
 #include <common/hashtable/hashtable.h>
 #include <common/hashtable/utils.h>
+#include <common/macros.h>
+#include <common/mi-lttng.h>
 #include <lttng/log-level-rule-internal.h>
 #include <lttng/log-level-rule.h>
 #include <stdbool.h>
@@ -300,3 +301,75 @@ unsigned long lttng_log_level_rule_hash(
 
        return hash;
 }
+
+LTTNG_HIDDEN
+enum lttng_error_code lttng_log_level_rule_mi_serialize(
+               const struct lttng_log_level_rule *rule,
+               struct mi_writer *writer)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       enum lttng_log_level_rule_status status;
+       const char *element_str = NULL;
+       int level;
+
+       assert(rule);
+       assert(writer);
+
+       switch (lttng_log_level_rule_get_type(rule)) {
+       case LTTNG_LOG_LEVEL_RULE_TYPE_EXACTLY:
+               status = lttng_log_level_rule_exactly_get_level(rule, &level);
+               element_str = mi_lttng_element_log_level_rule_exactly;
+               break;
+       case LTTNG_LOG_LEVEL_RULE_TYPE_AT_LEAST_AS_SEVERE_AS:
+               element_str = mi_lttng_element_log_level_rule_at_least_as_severe_as;
+               status = lttng_log_level_rule_at_least_as_severe_as_get_level(
+                               rule, &level);
+               break;
+       default:
+               abort();
+               break;
+       }
+
+       assert(status == LTTNG_LOG_LEVEL_RULE_STATUS_OK);
+
+       /* Open log level rule element. */
+       ret = mi_lttng_writer_open_element(
+                       writer, mi_lttng_element_log_level_rule);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Log level rule type element. */
+       ret = mi_lttng_writer_open_element(writer, element_str);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Level. */
+       ret = mi_lttng_writer_write_element_signed_int(
+                       writer, mi_lttng_element_log_level_rule_level, level);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Close log level rule type element. */
+       ret = mi_lttng_writer_close_element(writer);
+       if (ret) {
+               goto mi_error;
+       }
+
+       /* Close log level rule 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:
+       return ret_code;
+}