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/*
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 * Project: S.Ha.R.K.
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 *
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 * Coordinators:
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 *   Giorgio Buttazzo    <giorgio@sssup.it>
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 *   Paolo Gai           <pj@gandalf.sssup.it>
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 *
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 * Authors     :
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 *   Giacomo Guidi       <giacomo@gandalf.sssup.it>
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 *   Michael Trimarchi   <trimarchi@gandalf.sssup.it>
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 *   (see the web pages for full authors list)
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 *
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 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
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 *
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 * http://www.sssup.it
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 * http://retis.sssup.it
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 * http://shark.sssup.it
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 */
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/*
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 * Copyright (C) 2002 Paolo Gai
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; either version 2 of the License, or
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 * (at your option) any later version.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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 *
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 */
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#ifndef __FSF_SERVICE_TASK_H__
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#define __FSF_SERVICE_TASK_H__
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typedef struct {
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        fsf_server_id_t  server;
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        TIME             actual_period;
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        TIME             actual_budget;
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        int              Qs;    // quality of service
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        int              Is;    // importance of service
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        bandwidth_t      U;     // actual bandwidth
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        bandwidth_t      Umin;  // min bandwidth
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        bandwidth_t      Umax;  // max bandwidth
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        TIME             Cmin;
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        TIME             Tmin;
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        TIME             Tmax;
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        TIME             deadline;
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        bool             d_equals_t;
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} server_elem;
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extern server_elem server_list[FSF_MAX_N_SERVERS];
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extern int current_server;
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extern bandwidth_t fsf_max_bw;
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TASK service_task(void);
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int negotiate_contract
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  (const fsf_contract_parameters_t *contract,
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   fsf_server_id_t                 *server);
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int renegotiate_contract
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  (const fsf_contract_parameters_t *contract,
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   fsf_server_id_t                 server);
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int adjust_SERVER_budget
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   (int budget, const TIME budget_actual,
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    const TIME period_actual, const TIME dline_actual);
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int set_SERVER_budget_from_contract
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  (const fsf_contract_parameters_t *contract,
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   int *budget);
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int relink_contract_to_server(const fsf_contract_parameters_t *contract,
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                              fsf_server_id_t server);
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int link_contract_to_server(const fsf_contract_parameters_t *contract,
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                            fsf_server_id_t server);
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int add_contract(const fsf_contract_parameters_t *contract);
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#endif