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1218 | giacomo | 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 | * |
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11 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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12 | * |
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13 | * http://www.sssup.it |
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14 | * http://retis.sssup.it |
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15 | * http://shark.sssup.it |
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16 | */ |
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17 | |||
18 | /* |
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19 | * Copyright (C) 2000 Paolo Gai |
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20 | * |
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21 | * This program is free software; you can redistribute it and/or modify |
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22 | * it under the terms of the GNU General Public License as published by |
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23 | * the Free Software Foundation; either version 2 of the License, or |
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24 | * (at your option) any later version. |
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25 | * |
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26 | * This program is distributed in the hope that it will be useful, |
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27 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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28 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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29 | * GNU General Public License for more details. |
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30 | * |
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31 | * You should have received a copy of the GNU General Public License |
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32 | * along with this program; if not, write to the Free Software |
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33 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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34 | */ |
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35 | |||
36 | #include "kernel/kern.h" |
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37 | |||
38 | #include "fsf_contract.h" |
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39 | |||
40 | #include "stdlib.h" |
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41 | #include "unistd.h" |
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42 | #include "string.h" |
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43 | |||
44 | #include "pthread.h" |
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45 | |||
46 | #include "drivers/keyb.h" |
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47 | #include "drivers/glib.h" |
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48 | |||
49 | #define SERVER_I_PERIOD 40000 |
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50 | #define SERVER_I_BUDGET 10000 |
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51 | #define SERVER_P_PERIOD 40000 |
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52 | #define SERVER_P_BUDGET 10000 |
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53 | #define SERVER_B_PERIOD 40000 |
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54 | #define SERVER_B_BUDGET 1000 |
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55 | |||
56 | struct timespec server_I_period = {0,SERVER_I_PERIOD*1000}; |
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57 | struct timespec server_I_budget = {0,SERVER_I_BUDGET*1000}; |
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58 | struct timespec server_P_period = {0,SERVER_P_PERIOD*1000}; |
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59 | struct timespec server_P_budget = {0,SERVER_P_BUDGET*1000}; |
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60 | struct timespec server_B_period = {0,SERVER_B_PERIOD*1000}; |
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61 | struct timespec server_B_budget = {0,SERVER_B_BUDGET*1000}; |
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62 | |||
63 | fsf_server_id_t server_I, server_P, server_B; |
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64 | fsf_contract_parameters_t contract_I, contract_P, contract_B; |
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65 | |||
66 | pthread_t pI,pP,pB; |
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67 | |||
68 | TASK decoder(void *arg) |
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69 | { |
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70 | |||
71 | int i; |
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72 | |||
73 | cprintf("Decoder Start %d\n",exec_shadow); |
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74 | |||
75 | for (i=0;i<100000;i++); |
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76 | |||
77 | cprintf("Decoder End %d\n",exec_shadow); |
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78 | |||
79 | task_endcycle(); |
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80 | |||
81 | return NULL; |
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82 | |||
83 | } |
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84 | |||
85 | int init_mpeg_server() { |
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86 | |||
87 | int err; |
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88 | HARD_TASK_MODEL ht; |
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89 | |||
90 | fsf_initialize_contract(&contract_I); |
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91 | fsf_set_contract_basic_parameters(&contract_I,&server_I_budget,&server_I_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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92 | fsf_set_local_scheduler_parameter(&contract_I, FSF_SCHEDULER_MPEG); |
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93 | |||
94 | fsf_initialize_contract(&contract_P); |
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95 | fsf_set_contract_basic_parameters(&contract_P,&server_P_budget,&server_P_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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96 | fsf_set_local_scheduler_parameter(&contract_P, FSF_SCHEDULER_MPEG); |
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97 | |||
98 | fsf_initialize_contract(&contract_B); |
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99 | fsf_set_contract_basic_parameters(&contract_B,&server_B_budget,&server_B_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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100 | fsf_set_local_scheduler_parameter(&contract_B, FSF_SCHEDULER_MPEG); |
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101 | |||
102 | err = fsf_negotiate_contract(&contract_I,&server_I); |
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103 | if (err) cprintf("(FSF ERROR %d)",err); |
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104 | err = fsf_negotiate_contract(&contract_P,&server_P); |
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105 | if (err) cprintf("(FSF ERROR %d)",err); |
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106 | err = fsf_negotiate_contract(&contract_B,&server_B); |
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107 | if (err) cprintf("(FSF ERROR %d)",err); |
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108 | |||
109 | hard_task_default_model(ht); |
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110 | |||
111 | fsf_create_thread(server_I, &pI, NULL, decoder, NULL, &ht); |
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112 | cprintf("Server I %d\n",pI); |
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113 | |||
114 | fsf_create_thread(server_P, &pP, NULL, decoder, NULL, &ht); |
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115 | cprintf("Server P %d\n",pP); |
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116 | |||
117 | fsf_create_thread(server_B, &pB, NULL, decoder, NULL, &ht); |
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118 | cprintf("Server B %d\n",pB); |
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119 | |||
120 | return 0; |
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121 | |||
122 | } |
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123 | |||
124 | int main () { |
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125 | |||
126 | init_mpeg_server(); |
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127 | TIME T,Q; |
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128 | |||
129 | T = 40000; |
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130 | Q = 10000; |
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131 | MPEGSTAR_rescale(server_I,Q,T); |
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132 | task_activate(pI); |
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133 | |||
134 | T = 80000; |
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135 | Q = 10000; |
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136 | MPEGSTAR_rescale(server_P,Q,T); |
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137 | task_activate(pP); |
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138 | |||
139 | T = 120000; |
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140 | Q = 1000; |
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141 | MPEGSTAR_rescale(server_B,Q,T); |
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142 | task_activate(pB); |
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143 | |||
144 | while(1); |
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145 | |||
146 | return 0; |
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147 | |||
148 | } |