From: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Date: Tue, 3 Nov 2020 23:04:34 +0000 (-0500)
Subject: Implement lttng_condition_event_rule_get_capture_bytecode_at_index
X-Git-Tag: v2.13.0-rc1~248
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=51dbe9857c314b9b0dc53b4f9c367f7db659a6b4;p=lttng-tools.git

Implement lttng_condition_event_rule_get_capture_bytecode_at_index

Signed-off-by: Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Change-Id: I0478c3c1a5866f924fa8a5b49fdc61570a802989
---

diff --git a/include/lttng/condition/event-rule-internal.h b/include/lttng/condition/event-rule-internal.h
index 1f039c347..0f2f3fbf6 100644
--- a/include/lttng/condition/event-rule-internal.h
+++ b/include/lttng/condition/event-rule-internal.h
@@ -64,4 +64,9 @@ enum lttng_error_code
 lttng_condition_event_rule_generate_capture_descriptor_bytecode(
 		struct lttng_condition *condition);
 
+LTTNG_HIDDEN
+const struct lttng_bytecode *
+lttng_condition_event_rule_get_capture_bytecode_at_index(
+		const struct lttng_condition *condition, unsigned int index);
+
 #endif /* LTTNG_CONDITION_EVENT_RULE_INTERNAL_H */
diff --git a/src/common/conditions/event-rule.c b/src/common/conditions/event-rule.c
index 8959652dd..dcc31ef86 100644
--- a/src/common/conditions/event-rule.c
+++ b/src/common/conditions/event-rule.c
@@ -972,3 +972,42 @@ lttng_condition_event_rule_generate_capture_descriptor_bytecode(
 end:
 	return ret;
 }
+
+LTTNG_HIDDEN
+const struct lttng_bytecode *
+lttng_condition_event_rule_get_capture_bytecode_at_index(
+		const struct lttng_condition *condition, unsigned int index)
+{
+	const struct lttng_condition_event_rule *event_rule_cond =
+			container_of(condition,
+				const struct lttng_condition_event_rule,
+				parent);
+	struct lttng_capture_descriptor *desc = NULL;
+	struct lttng_bytecode *bytecode = NULL;
+	unsigned int count;
+	enum lttng_condition_status status;
+
+	if (!condition || !IS_EVENT_RULE_CONDITION(condition)) {
+		goto end;
+	}
+
+	status = lttng_condition_event_rule_get_capture_descriptor_count(
+			condition, &count);
+	if (status != LTTNG_CONDITION_STATUS_OK) {
+		goto end;
+	}
+
+	if (index >= count) {
+		goto end;
+	}
+
+	desc = lttng_dynamic_pointer_array_get_pointer(
+			&event_rule_cond->capture_descriptors, index);
+	if (desc == NULL) {
+		goto end;
+	}
+
+	bytecode = desc->bytecode;
+end:
+	return bytecode;
+}