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881 | trimarchi | 1 | /* |
2 | * Project: S.Ha.R.K. |
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3 | * |
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4 | * Coordinators: |
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5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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6 | * Paolo Gai <pj@gandalf.sssup.it> |
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7 | * |
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8 | * Authors : |
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9 | * Giacomo Guidi <giacomo@gandalf.sssup.it> |
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10 | * Michael Trimarchi <trimarchi@gandalf.sssup.it> |
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11 | * (see the web pages for full authors list) |
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12 | * |
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13 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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14 | * |
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15 | * http://www.sssup.it |
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16 | * http://retis.sssup.it |
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17 | * http://shark.sssup.it |
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18 | */ |
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19 | |||
20 | /* |
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21 | * Copyright (C) 2002 Paolo Gai |
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22 | * |
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23 | * This program is free software; you can redistribute it and/or modify |
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24 | * it under the terms of the GNU General Public License as published by |
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25 | * the Free Software Foundation; either version 2 of the License, or |
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26 | * (at your option) any later version. |
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27 | * |
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28 | * This program is distributed in the hope that it will be useful, |
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29 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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30 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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31 | * GNU General Public License for more details. |
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32 | * |
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33 | * You should have received a copy of the GNU General Public License |
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34 | * along with this program; if not, write to the Free Software |
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35 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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36 | * |
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37 | */ |
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38 | |||
39 | |||
40 | #ifndef __FSF_SERVICE_TASK_H__ |
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41 | #define __FSF_SERVICE_TASK_H__ |
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42 | |||
43 | |||
44 | typedef struct { |
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45 | fsf_server_id_t server; |
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46 | TIME actual_period; |
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47 | TIME actual_budget; |
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48 | int Qs; // quality of service |
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49 | int Is; // importance of service |
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50 | bandwidth_t U; // actual bandwidth |
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51 | bandwidth_t Umin; // min bandwidth |
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52 | bandwidth_t Umax; // max bandwidth |
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53 | TIME Cmin; |
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54 | TIME Tmin; |
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55 | TIME Tmax; |
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56 | TIME deadline; |
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57 | bool d_equals_t; |
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58 | } server_elem; |
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59 | |||
60 | |||
61 | extern server_elem server_list[FSF_MAX_N_SERVERS]; |
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62 | extern int current_server; |
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63 | extern bandwidth_t fsf_max_bw; |
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64 | |||
65 | TASK service_task(void); |
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66 | |||
67 | int negotiate_contract |
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68 | (const fsf_contract_parameters_t *contract, |
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69 | fsf_server_id_t *server); |
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70 | |||
71 | int renegotiate_contract |
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72 | (const fsf_contract_parameters_t *contract, |
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73 | fsf_server_id_t server); |
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74 | |||
75 | int adjust_SERVER_budget |
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76 | (int budget, const TIME budget_actual, |
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77 | const TIME period_actual, const TIME dline_actual); |
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78 | |||
79 | int set_SERVER_budget_from_contract |
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80 | (const fsf_contract_parameters_t *contract, |
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81 | int *budget); |
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82 | |||
83 | int relink_contract_to_server(const fsf_contract_parameters_t *contract, |
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84 | fsf_server_id_t server); |
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85 | |||
86 | int link_contract_to_server(const fsf_contract_parameters_t *contract, |
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87 | fsf_server_id_t server); |
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88 | |||
89 | int add_contract(const fsf_contract_parameters_t *contract); |
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90 | |||
91 | #endif |