merged the modularization branch (credentials) back to trunk
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@@ -1,10 +1,3 @@
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/**
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* @file task_manager.h
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*
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* @brief Interface of task_manager_t.
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*
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*/
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/*
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* Copyright (C) 2006 Martin Willi
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* Hochschule fuer Technik Rapperswil
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@@ -18,6 +11,13 @@
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* $Id$
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*/
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/**
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* @defgroup task_manager task_manager
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* @{ @ingroup sa
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*/
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#ifndef TASK_MANAGER_H_
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@@ -32,42 +32,32 @@ typedef struct task_manager_t task_manager_t;
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/**
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* First retransmit timeout in milliseconds.
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*
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* @ingroup sa
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*/
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#define RETRANSMIT_TIMEOUT 4000
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/**
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* Base which is raised to the power of the retransmission try.
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*
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* @ingroup sa
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*/
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#define RETRANSMIT_BASE 1.8
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/**
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* Number of retransmits done before giving up.
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*
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* @ingroup sa
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*/
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#define RETRANSMIT_TRIES 5
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/**
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* Interval for mobike routability checks in ms.
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*
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* @ingroup sa
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*/
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#define ROUTEABILITY_CHECK_INTERVAL 2500
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/**
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* Number of routability checks before giving up
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*
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* @ingroup sa
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*/
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#define ROUTEABILITY_CHECK_TRIES 10
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/**
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* @brief The task manager, juggles task and handles message exchanges.
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* The task manager, juggles task and handles message exchanges.
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*
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* On incoming requests, the task manager creates new tasks on demand and
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* juggles the request through all available tasks. Each task inspects the
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@@ -97,18 +87,12 @@ typedef struct task_manager_t task_manager_t;
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@endberbatim
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* The peer is considered dead after 2min 45s when no reply comes in.
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*
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* @b Constructors:
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* - task_manager_create()
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*
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* @ingroup sa
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*/
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struct task_manager_t {
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/**
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* @brief Process an incoming message.
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* Process an incoming message.
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*
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* @param this calling object
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* @param message message to add payloads to
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* @return
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* - DESTROY_ME if IKE_SA must be closed
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@@ -117,28 +101,24 @@ struct task_manager_t {
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status_t (*process_message) (task_manager_t *this, message_t *message);
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/**
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* @brief Initiate an exchange with the currently queued tasks.
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*
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* @param this calling object
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* Initiate an exchange with the currently queued tasks.
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*/
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status_t (*initiate) (task_manager_t *this);
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/**
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* @brief Queue a task in the manager.
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* Queue a task in the manager.
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*
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* @param this calling object
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* @param task task to queue
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*/
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void (*queue_task) (task_manager_t *this, task_t *task);
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/**
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* @brief Retransmit a request if it hasn't been acknowledged yet.
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* Retransmit a request if it hasn't been acknowledged yet.
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*
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* A return value of INVALID_STATE means that the message was already
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* acknowledged and has not to be retransmitted. A return value of SUCCESS
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* means retransmission was required and the message has been resent.
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*
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* @param this calling object
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* @param message_id ID of the message to retransmit
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* @return
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* - INVALID_STATE if retransmission not required
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@@ -147,52 +127,45 @@ struct task_manager_t {
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status_t (*retransmit) (task_manager_t *this, u_int32_t message_id);
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/**
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* @brief Migrate all tasks from other to this.
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* Migrate all tasks from other to this.
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*
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* To rekey or reestablish an IKE_SA completely, all queued or active
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* tasks should get migrated to the new IKE_SA.
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*
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* @param this manager which gets all tasks
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* @param other manager which gives away its tasks
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*/
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void (*adopt_tasks) (task_manager_t *this, task_manager_t *other);
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/**
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* @brief Reset message ID counters of the task manager.
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* Reset message ID counters of the task manager.
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*
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* The IKEv2 protocol requires to restart exchanges with message IDs
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* reset to zero (INVALID_KE_PAYLOAD, COOKIES, ...). The reset() method
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* resets the message IDs and resets all active tasks using the migrate()
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* method.
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*
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* @param this calling object
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* @param other manager which gives away its tasks
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*/
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void (*reset) (task_manager_t *this);
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/**
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* @brief Check if we are currently waiting for a reply.
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* Check if we are currently waiting for a reply.
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*
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* @param this calling object
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* @return TRUE if we are waiting, FALSE otherwise
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*/
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bool (*busy) (task_manager_t *this);
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/**
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* @brief Destroy the task_manager_t.
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*
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* @param this calling object
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* Destroy the task_manager_t.
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*/
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void (*destroy) (task_manager_t *this);
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};
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/**
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* @brief Create an instance of the task manager.
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* Create an instance of the task manager.
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*
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* @param ike_sa IKE_SA to manage.
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*
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* @ingroup sa
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*/
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task_manager_t *task_manager_create(ike_sa_t *ike_sa);
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#endif /* TASK_MANAGER_H_ */
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#endif /* TASK_MANAGER_H_ @} */
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