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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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1219 | giacomo | 39 | #include "fsf_server.h" |
1218 | giacomo | 40 | |
41 | #include "stdlib.h" |
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42 | #include "unistd.h" |
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43 | #include "string.h" |
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44 | |||
45 | #include "pthread.h" |
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46 | |||
47 | #include "drivers/keyb.h" |
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48 | #include "drivers/glib.h" |
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49 | |||
1219 | giacomo | 50 | /*Init Server Parameters */ |
51 | #define SERVER_I_PERIOD 50000 |
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1218 | giacomo | 52 | #define SERVER_I_BUDGET 10000 |
1219 | giacomo | 53 | #define SERVER_P_PERIOD 50000 |
1218 | giacomo | 54 | #define SERVER_P_BUDGET 10000 |
1219 | giacomo | 55 | #define SERVER_B_PERIOD 50000 |
56 | #define SERVER_B_BUDGET 10000 |
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1218 | giacomo | 57 | |
58 | struct timespec server_I_period = {0,SERVER_I_PERIOD*1000}; |
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59 | struct timespec server_I_budget = {0,SERVER_I_BUDGET*1000}; |
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60 | struct timespec server_P_period = {0,SERVER_P_PERIOD*1000}; |
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61 | struct timespec server_P_budget = {0,SERVER_P_BUDGET*1000}; |
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62 | struct timespec server_B_period = {0,SERVER_B_PERIOD*1000}; |
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63 | struct timespec server_B_budget = {0,SERVER_B_BUDGET*1000}; |
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64 | |||
65 | fsf_server_id_t server_I, server_P, server_B; |
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66 | fsf_contract_parameters_t contract_I, contract_P, contract_B; |
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67 | |||
1219 | giacomo | 68 | /* Decoder PID */ |
1218 | giacomo | 69 | pthread_t pI,pP,pB; |
70 | |||
1219 | giacomo | 71 | #define FRAME_I 0 |
72 | #define FRAME_P 1 |
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73 | #define FRAME_B 2 |
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74 | |||
75 | struct decoder_arg { |
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76 | |||
77 | int frame_number; |
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78 | int frame_type; |
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79 | void *input_buffer; |
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80 | void *output_buffer; |
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81 | int server_id; |
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82 | |||
83 | }; |
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84 | |||
85 | typedef struct decoder_arg *decoder_arg_ptr; |
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86 | |||
87 | #define MAX_DECODER_NUMBER 10 |
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88 | |||
89 | /* Table of pointer to decoder_ard struct */ |
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90 | decoder_arg_ptr decoder_arg_table[MAX_DECODER_NUMBER]; |
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91 | |||
92 | /* Decoder TASK */ |
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1218 | giacomo | 93 | TASK decoder(void *arg) |
94 | { |
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95 | |||
1219 | giacomo | 96 | decoder_arg_ptr darg = (decoder_arg_ptr)(arg); |
1218 | giacomo | 97 | int i; |
98 | |||
1219 | giacomo | 99 | while(1) { |
1218 | giacomo | 100 | |
1219 | giacomo | 101 | cprintf("Decoder Start %d Frame %d\n",exec_shadow,darg->frame_number); |
1218 | giacomo | 102 | |
1219 | giacomo | 103 | for (i=0;i<100000;i++); |
1218 | giacomo | 104 | |
1219 | giacomo | 105 | cprintf("Decoder End %d\n",exec_shadow); |
1218 | giacomo | 106 | |
1219 | giacomo | 107 | task_endcycle(); |
108 | |||
109 | } |
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110 | |||
1218 | giacomo | 111 | return NULL; |
112 | |||
113 | } |
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114 | |||
115 | int init_mpeg_server() { |
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116 | |||
117 | int err; |
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118 | HARD_TASK_MODEL ht; |
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119 | |||
120 | fsf_initialize_contract(&contract_I); |
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121 | fsf_set_contract_basic_parameters(&contract_I,&server_I_budget,&server_I_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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122 | fsf_set_local_scheduler_parameter(&contract_I, FSF_SCHEDULER_MPEG); |
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123 | |||
124 | fsf_initialize_contract(&contract_P); |
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125 | fsf_set_contract_basic_parameters(&contract_P,&server_P_budget,&server_P_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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126 | fsf_set_local_scheduler_parameter(&contract_P, FSF_SCHEDULER_MPEG); |
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127 | |||
128 | fsf_initialize_contract(&contract_B); |
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129 | fsf_set_contract_basic_parameters(&contract_B,&server_B_budget,&server_B_period,NULL,NULL,FSF_DEFAULT_WORKLOAD); |
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130 | fsf_set_local_scheduler_parameter(&contract_B, FSF_SCHEDULER_MPEG); |
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131 | |||
132 | err = fsf_negotiate_contract(&contract_I,&server_I); |
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133 | if (err) cprintf("(FSF ERROR %d)",err); |
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134 | err = fsf_negotiate_contract(&contract_P,&server_P); |
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135 | if (err) cprintf("(FSF ERROR %d)",err); |
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136 | err = fsf_negotiate_contract(&contract_B,&server_B); |
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137 | if (err) cprintf("(FSF ERROR %d)",err); |
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138 | |||
139 | hard_task_default_model(ht); |
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140 | |||
1219 | giacomo | 141 | decoder_arg_table[server_I] = (decoder_arg_ptr)malloc(sizeof(struct decoder_arg)); |
142 | decoder_arg_table[server_I]->server_id = server_I; |
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143 | fsf_create_thread(server_I, &pI, NULL, decoder, decoder_arg_table[server_I], &ht); |
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144 | cprintf("Decoder I PID %d\n",pI); |
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1218 | giacomo | 145 | |
1219 | giacomo | 146 | decoder_arg_table[server_P] = (decoder_arg_ptr)malloc(sizeof(struct decoder_arg)); |
147 | decoder_arg_table[server_P]->server_id = server_P; |
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148 | fsf_create_thread(server_P, &pP, NULL, decoder, decoder_arg_table[server_P], &ht); |
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149 | cprintf("Decoder P PID %d\n",pP); |
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150 | |||
151 | decoder_arg_table[server_B] = (decoder_arg_ptr)malloc(sizeof(struct decoder_arg)); |
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152 | decoder_arg_table[server_B]->server_id = server_B; |
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153 | fsf_create_thread(server_B, &pB, NULL, decoder, decoder_arg_table[server_B], &ht); |
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154 | cprintf("Decoder B PID %d\n",pB); |
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1218 | giacomo | 155 | |
156 | return 0; |
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157 | |||
158 | } |
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159 | |||
1219 | giacomo | 160 | /* Decoder Manager TASK */ |
161 | TASK decoder_manager(void *arg) { |
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1218 | giacomo | 162 | |
163 | TIME T,Q; |
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164 | |||
1219 | giacomo | 165 | T = 50000; |
1218 | giacomo | 166 | Q = 10000; |
167 | MPEGSTAR_rescale(server_I,Q,T); |
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1219 | giacomo | 168 | decoder_arg_table[server_I]->frame_number = 0; |
169 | decoder_arg_table[server_I]->frame_type = FRAME_I; |
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1218 | giacomo | 170 | task_activate(pI); |
1219 | giacomo | 171 | |
172 | T = 100000; |
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1218 | giacomo | 173 | Q = 10000; |
174 | MPEGSTAR_rescale(server_P,Q,T); |
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1219 | giacomo | 175 | decoder_arg_table[server_P]->frame_number = 1; |
176 | decoder_arg_table[server_P]->frame_type = FRAME_P; |
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1218 | giacomo | 177 | task_activate(pP); |
1219 | giacomo | 178 | |
179 | T = 150000; |
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180 | Q = 10000; |
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1218 | giacomo | 181 | MPEGSTAR_rescale(server_B,Q,T); |
1219 | giacomo | 182 | decoder_arg_table[server_B]->frame_number = 2; |
183 | decoder_arg_table[server_B]->frame_type = FRAME_B; |
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1218 | giacomo | 184 | task_activate(pB); |
1219 | giacomo | 185 | |
186 | return 0; |
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187 | |||
188 | } |
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189 | |||
190 | int main () { |
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191 | |||
192 | HARD_TASK_MODEL ht_manager; |
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193 | PID dm; |
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194 | |||
195 | init_mpeg_server(); |
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196 | |||
197 | hard_task_default_model(ht_manager); |
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198 | hard_task_def_mit(ht_manager,10000); |
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199 | hard_task_def_wcet(ht_manager,5000); |
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200 | hard_task_def_arg(ht_manager,NULL); |
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201 | |||
202 | dm = task_create("Manager", decoder_manager, &ht_manager, NULL); |
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203 | if (dm == NIL) { |
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204 | cprintf("Error creating decoder manager\n"); |
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205 | sys_end(); |
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206 | } |
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207 | |||
208 | task_activate(dm); |
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209 | |||
1218 | giacomo | 210 | while(1); |
1219 | giacomo | 211 | |
1218 | giacomo | 212 | return 0; |
213 | |||
214 | } |