1 files changed, 126 insertions, 0 deletions
diff --git a/src/libcharon/sa/connect_manager.h b/src/libcharon/sa/connect_manager.h
new file mode 100644
index 000000000..8fa8ff697
--- /dev/null
+++ b/src/libcharon/sa/connect_manager.h
@@ -0,0 +1,126 @@
+/*
+ * Copyright (C) 2007-2008 Tobias Brunner
+ * 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.
+ */
+
+/**
+ * @defgroup connect_manager connect_manager
+ * @{ @ingroup sa
+ */
+
+#ifndef CONNECT_MANAGER_H_
+#define CONNECT_MANAGER_H_
+
+typedef struct connect_manager_t connect_manager_t;
+
+#include <encoding/message.h>
+#include <sa/ike_sa_id.h>
+#include <utils/identification.h>
+
+/**
+ * The connection manager is responsible for establishing a direct
+ * connection with another peer.
+ */
+struct connect_manager_t {
+
+	/**
+	 * Checks if a there is already a mediated connection registered
+	 * between two peers.
+	 *
+	 * @param id			my id
+	 * @param peer_id		the other peer's id
+	 * @param mediated_sa	the IKE_SA ID of the mediated connection
+	 * @returns
+	 *						- TRUE, if a mediated connection is registered
+	 *						- FALSE, otherwise
+	 */
+	bool (*check_and_register) (connect_manager_t *this, identification_t *id,
+								identification_t *peer_id,
+								ike_sa_id_t *mediated_sa);
+
+	/**
+	 * Checks if there are waiting connections with a specific peer.
+	 * If so, reinitiate them.
+	 *
+	 * @param id			my id
+	 * @param peer_id		the other peer's id
+	 */
+	void (*check_and_initiate) (connect_manager_t *this,
+								ike_sa_id_t *mediation_sa, identification_t *id,
+								identification_t *peer_id);
+
+	/**
+	 * Creates a checklist and sets the initiator's data.
+	 *
+	 * @param initiator		ID of the initiator
+	 * @param responder		ID of the responder
+	 * @param connect_id	the connect ID provided by the initiator
+	 * @param key			the initiator's key
+	 * @param endpoints		the initiator's endpoints
+	 * @param is_initiator	TRUE, if the caller of this method is the initiator
+	 * @returns				SUCCESS
+	 */
+	status_t (*set_initiator_data) (connect_manager_t *this,
+									identification_t *initiator,
+									identification_t *responder,
+									chunk_t connect_id, chunk_t key,
+									linked_list_t *endpoints,
+									bool is_initiator);
+
+	/**
+	 * Updates a checklist and sets the responder's data. The checklist's
+	 * state is advanced to WAITING which means that checks will be sent.
+	 *
+	 * @param connect_id	the connect ID
+	 * @param chunk_t		the responder's key
+	 * @param endpoints		the responder's endpoints
+	 * @returns
+	 *						- NOT_FOUND, if the checklist has not been found
+	 *						- SUCCESS, otherwise
+	 */
+	status_t (*set_responder_data) (connect_manager_t *this,
+									chunk_t connect_id, chunk_t key,
+									linked_list_t *endpoints);
+
+	/**
+	 * Stops checks for a checklist. Called after the responder received an
+	 * IKE_SA_INIT request which contains a ME_CONNECTID payload.
+	 *
+	 * @param connect_id	the connect ID
+	 * @returns
+	 *						- NOT_FOUND, if the checklist has not been found
+	 *						- SUCCESS, otherwise
+	 */
+	status_t (*stop_checks) (connect_manager_t *this, chunk_t connect_id);
+
+	/**
+	 * Processes a connectivity check
+	 *
+	 * @param message		the received message
+	 */
+	void (*process_check) (connect_manager_t *this, message_t *message);
+
+	/**
+	 * Destroys the manager with all data.
+	 */
+	void (*destroy) (connect_manager_t *this);
+};
+
+/**
+ * Create a manager.
+ *
+ * @returns	connect_manager_t object
+ */
+connect_manager_t *connect_manager_create(void);
+
+#endif /** CONNECT_MANAGER_H_ @}*/