/*

* Copyright (c) 2006-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  State machine for creating a virtual traffic stream.

*

*/

/*

* %version: 3 %

*/

#ifndef CORE_OPERATION_CREATE_TS_H

#define CORE_OPERATION_CREATE_TS_H

#include "core_operation_base.h"

#include "abs_core_frame_handler.h"

#include "core_virtual_traffic_stream.h"

class core_traffic_stream_c;

/**

 * State machine for creating a virtual traffic stream.

 *

 * @lib wlmserversrv.lib

 * @since S60 v3.1

 */

NONSHARABLE_CLASS( core_operation_create_ts_c ) : public core_operation_base_c

    {

public:

    enum core_state_e

        {

        core_state_init = core_base_state_next,

        core_state_delete_streams,

        core_state_create_stream,

        core_state_create_stream_success,

        core_state_create_stream_failed,

        core_state_parameters_set,

        core_state_MAX

        };

    core_operation_create_ts_c(

        u32_t request_id,

        core_server_c* server,

        abs_core_driverif_c* drivers,

        abs_core_server_callback_c* adaptation,

        u8_t tid,

        u8_t user_priority,

        bool_t is_automatic_stream,

        const core_traffic_stream_params_s& params,

        u32_t& stream_id,

        core_traffic_stream_status_e& stream_status );

    virtual ~core_operation_create_ts_c();

protected:

    /**

     * This method is called when a pending request has been completed

     * and so sub-operations are pending.

     *

     * @since S60 v3.1

     * @return status of the operation:

     *     core_error_request_pending if the operation is not finished,

     *     otherwise the status code of the finished operation

     */

    core_error_e next_state();

    /**

     * This method is called when the operation needs to be canceled.     

     *

     * @since S60 v3.1

     * @return status of the operation:

     *     core_error_request_pending if the operation is not finished,

     *     otherwise the status code of the finished operation

     */

    core_error_e cancel();

private:

    /**

     * Validate the given traffic stream parameters.

     * 

     * @return true_t if the parameters are valid, false_t otherwise.

     */

    bool_t is_valid_params();

private: // data

    /**

     * Requested TID of the virtual traffic stream.

     */

    u8_t requested_tid_m;

    /**

     * Selected TID of the virtual traffic stream.

     */

    u8_t tid_m;

    /**

     * User priority of the virtual traffic stream.

     */

    u8_t user_priority_m;

    /**

     * Access class of the virtual traffic stream.

     */

    core_access_class_e access_class_m;

    /**

     * Whether the virtual traffic stream has been created automatically.

     */

    bool_t is_automatic_stream_m;

    /**

     * Requested parameters of the virtual traffic stream.

     */

    core_traffic_stream_params_s requested_params_m;

    /**

     * Parameters of the virtual traffic stream.

     */

    core_traffic_stream_params_s params_m;

    /**

     * ID of the virtual traffic stream.

     */

    u32_t& stream_id_m;

    /**

     * The current status of the virtual traffic stream.

     */

    core_traffic_stream_status_e& stream_status_m;

    /**

     * The traffic stream being created.

     */

    core_traffic_stream_c* stream_m;

    };

#endif // CORE_OPERATION_CREATE_TS_H