Add client notification API

[lttng-tools.git] / include / lttng / condition / condition-internal.h

diff --git a/include/lttng/condition/condition-internal.h b/include/lttng/condition/condition-internal.h
new file mode 100644 (file)
index 0000000..72a8922
--- /dev/null
+++ b/include/lttng/condition/condition-internal.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2017 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License, version 2.1 only,
+ * as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef LTTNG_CONDITION_INTERNAL_H
+#define LTTNG_CONDITION_INTERNAL_H
+
+#include <lttng/condition/condition.h>
+#include <common/macros.h>
+#include <common/buffer-view.h>
+#include <stdbool.h>
+#include <urcu/list.h>
+#include <stdint.h>
+
+typedef void (*condition_destroy_cb)(struct lttng_condition *condition);
+typedef bool (*condition_validate_cb)(const struct lttng_condition *condition);
+typedef ssize_t (*condition_serialize_cb)(
+               const struct lttng_condition *condition, char *buf);
+typedef bool (*condition_equal_cb)(const struct lttng_condition *a,
+               const struct lttng_condition *b);
+typedef ssize_t (*condition_create_from_buffer_cb)(
+               const struct lttng_buffer_view *view,
+               struct lttng_condition **condition);
+
+struct lttng_condition {
+       enum lttng_condition_type type;
+       condition_validate_cb validate;
+       condition_serialize_cb serialize;
+       condition_equal_cb equal;
+       condition_destroy_cb destroy;
+};
+
+struct lttng_condition_comm {
+       /* enum lttng_condition_type */
+       int8_t condition_type;
+       char payload[];
+};
+
+LTTNG_HIDDEN
+void lttng_condition_init(struct lttng_condition *condition,
+               enum lttng_condition_type type);
+
+LTTNG_HIDDEN
+bool lttng_condition_validate(const struct lttng_condition *condition);
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_create_from_buffer(
+               const struct lttng_buffer_view *buffer,
+               struct lttng_condition **condition);
+
+LTTNG_HIDDEN
+ssize_t lttng_condition_serialize(const struct lttng_condition *condition,
+               char *buf);
+
+LTTNG_HIDDEN
+bool lttng_condition_is_equal(const struct lttng_condition *a,
+               const struct lttng_condition *b);
+
+#endif /* LTTNG_CONDITION_INTERNAL_H */