X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fcondition%2Fon-event-internal.h;fp=include%2Flttng%2Fcondition%2Fon-event-internal.h;h=e22cb762a7b7a05e483677d4453c1befeffd2fcc;hb=e393070aaad23313daae844ff87043babaae69e7;hp=0000000000000000000000000000000000000000;hpb=d602bd6a8ee25d5ca662dde4edb3db3cabf264e1;p=lttng-tools.git

diff --git a/include/lttng/condition/on-event-internal.h b/include/lttng/condition/on-event-internal.h
new file mode 100644
index 000000000..e22cb762a
--- /dev/null
+++ b/include/lttng/condition/on-event-internal.h
@@ -0,0 +1,89 @@
+/*
+ * 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 <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;
+
+	/* Array of `struct lttng_capture_descriptor *`. */
+	struct lttng_dynamic_pointer_array capture_descriptors;
+};
+
+struct lttng_evaluation_on_event {
+	struct lttng_evaluation parent;
+	char *name;
+
+	/* 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;
+};
+
+struct lttng_evaluation_on_event_comm {
+	/* Includes the null terminator. */
+	uint32_t trigger_name_length;
+	/* Trigger name. */
+	char payload[];
+} LTTNG_PACKED;
+
+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
+struct lttng_evaluation *lttng_evaluation_on_event_create(
+		const struct lttng_condition_on_event *condition,
+		const char* trigger_name,
+		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 */