1 files changed, 155 insertions, 0 deletions
diff --git a/src/libimcv/swima/swima_events.c b/src/libimcv/swima/swima_events.c
new file mode 100644
index 000000000..ba0810d5f
--- /dev/null
+++ b/src/libimcv/swima/swima_events.c
@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2017 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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 General Public License
+ * for more details.
+ */
+
+#include "swima_events.h"
+#include "swima_record.h"
+
+#include <collections/linked_list.h>
+#include <utils/debug.h>
+
+typedef struct private_swima_events_t private_swima_events_t;
+
+/**
+ * Private data of a swima_events_t object.
+ *
+ */
+struct private_swima_events_t {
+
+	/**
+	 * Public swima_events_t interface.
+	 */
+	swima_events_t public;
+
+	/**
+	 * Epoch of Event IDs
+	 */
+	uint32_t epoch;
+
+	/**
+	 * Last Event ID
+	 */
+	uint32_t last_eid;
+
+	/**
+	 * Last Consulted Event ID
+	 */
+	uint32_t last_consulted_eid;
+
+	/**
+	 * List of SW records
+	 */
+	linked_list_t *list;
+
+	/**
+	 * Reference count
+	 */
+	refcount_t ref;
+
+};
+
+METHOD(swima_events_t, add, void,
+	private_swima_events_t *this, swima_event_t *event)
+{
+	this->list->insert_last(this->list, event);
+}
+
+METHOD(swima_events_t, get_count, int,
+	private_swima_events_t *this)
+{
+	return this->list->get_count(this->list);
+}
+
+METHOD(swima_events_t, set_eid, void,
+	private_swima_events_t *this, uint32_t eid, uint32_t epoch)
+{
+	this->last_eid = this->last_consulted_eid = eid;
+	this->epoch = epoch;
+}
+
+METHOD(swima_events_t, set_last_eid, void,
+	private_swima_events_t *this, uint32_t last_eid)
+{
+	this->last_eid = last_eid;
+}
+
+METHOD(swima_events_t, get_eid, uint32_t,
+	private_swima_events_t *this, uint32_t *epoch, uint32_t *last_eid)
+{
+	if (epoch)
+	{
+		*epoch = this->epoch;
+	}
+	if (last_eid)
+	{
+		*last_eid = this->last_eid;
+	}
+	return this->last_consulted_eid;
+}
+
+METHOD(swima_events_t, create_enumerator, enumerator_t*,
+	private_swima_events_t *this)
+{
+	return this->list->create_enumerator(this->list);
+}
+
+METHOD(swima_events_t, get_ref, swima_events_t*,
+	private_swima_events_t *this)
+{
+	ref_get(&this->ref);
+	return &this->public;
+}
+
+METHOD(swima_events_t, clear, void,
+	private_swima_events_t *this)
+{
+	this->list->destroy_offset(this->list, offsetof(swima_event_t, destroy));
+	this->list = linked_list_create();
+}
+
+METHOD(swima_events_t, destroy, void,
+	private_swima_events_t *this)
+{
+	if (ref_put(&this->ref))
+	{
+		this->list->destroy_offset(this->list, offsetof(swima_event_t, destroy));
+		free(this);
+	}
+}
+
+/**
+ * See header
+ */
+swima_events_t *swima_events_create(void)
+{
+	private_swima_events_t *this;
+
+	INIT(this,
+		.public = {
+			.add = _add,
+			.get_count = _get_count,
+			.set_eid = _set_eid,
+			.set_last_eid = _set_last_eid,
+			.get_eid = _get_eid,
+			.create_enumerator = _create_enumerator,
+			.get_ref = _get_ref,
+			.clear = _clear,
+			.destroy = _destroy,
+		},
+		.list = linked_list_create(),
+		.ref = 1,
+	);
+
+	return &this->public;
+}