+/*
+ * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
+ *
+ * SPDX-License-Identifier: LGPL-2.1-only
+ *
+ */
+
+#ifndef LTTNG_CONDITION_ON_EVENT_INTERNAL_H
+#define LTTNG_CONDITION_ON_EVENT_INTERNAL_H
+
+#include <lttng/condition/condition-internal.h>
+#include <common/buffer-view.h>
+#include <common/macros.h>
+#include <common/optional.h>
+#include <lttng/condition/evaluation-internal.h>
+#include <common/dynamic-array.h>
+#include <lttng/event-field-value.h>
+
+struct lttng_capture_descriptor {
+ struct lttng_event_expr *event_expression;
+ struct lttng_bytecode *bytecode;
+};
+
+struct lttng_condition_on_event {
+ struct lttng_condition parent;
+ struct lttng_event_rule *rule;
+
+ /*
+ * Internal use only.
+ * Error accounting counter index.
+ */
+ LTTNG_OPTIONAL(uint64_t) error_counter_index;
+
+ /* Array of `struct lttng_capture_descriptor *`. */
+ struct lttng_dynamic_pointer_array capture_descriptors;
+};
+
+struct lttng_evaluation_on_event {
+ struct lttng_evaluation parent;
+
+ /* MessagePack-encoded captured event field values. */
+ struct lttng_dynamic_buffer capture_payload;
+
+ /*
+ * The content of this array event field value is the decoded
+ * version of `capture_payload` above.
+ *
+ * This is a cache: it's not serialized/deserialized in
+ * communications from/to the library and the session daemon.
+ */
+ struct lttng_event_field_value *captured_values;
+};
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_on_event_create_from_payload(
+ struct lttng_payload_view *view,
+ struct lttng_condition **condition);
+
+LTTNG_HIDDEN
+enum lttng_condition_status
+lttng_condition_on_event_borrow_rule_mutable(
+ const struct lttng_condition *condition,
+ struct lttng_event_rule **rule);
+
+LTTNG_HIDDEN
+void lttng_condition_on_event_set_error_counter_index(
+ struct lttng_condition *condition, uint64_t error_counter_index);
+
+LTTNG_HIDDEN
+uint64_t lttng_condition_on_event_get_error_counter_index(
+ const struct lttng_condition *condition);
+
+LTTNG_HIDDEN
+struct lttng_evaluation *lttng_evaluation_on_event_create(
+ const struct lttng_condition_on_event *condition,
+ const char *capture_payload, size_t capture_payload_size,
+ bool decode_capture_payload);
+
+LTTNG_HIDDEN
+ssize_t lttng_evaluation_on_event_create_from_payload(
+ const struct lttng_condition_on_event *condition,
+ struct lttng_payload_view *view,
+ struct lttng_evaluation **_evaluation);
+
+LTTNG_HIDDEN
+enum lttng_error_code
+lttng_condition_on_event_generate_capture_descriptor_bytecode(
+ struct lttng_condition *condition);
+
+LTTNG_HIDDEN
+const struct lttng_bytecode *
+lttng_condition_on_event_get_capture_bytecode_at_index(
+ const struct lttng_condition *condition, unsigned int index);
+
+#endif /* LTTNG_CONDITION_ON_EVENT_INTERNAL_H */