Mercurial > hg > Members > kono > Cerium
annotate TaskManager/Fifo/FifoTaskManagerImpl.cc @ 491:7cd207691af1
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Tue, 06 Oct 2009 17:14:05 +0900 |
| parents | bfbad00ed9be |
| children | 9522c376a9fe |
| rev | line source |
|---|---|
| 3 | 1 #include <stdio.h> |
| 2 #include <stdlib.h> | |
| 3 #include <string.h> | |
| 4 #include "FifoTaskManagerImpl.h" | |
| 373 | 5 #include "Scheduler.h" |
| 47 | 6 #include "types.h" |
| 109 | 7 #include "error.h" |
| 3 | 8 |
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9 FifoTaskManagerImpl::~FifoTaskManagerImpl() |
| 109 | 10 { |
| 11 delete mailManager; | |
| 12 delete scheduler; | |
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13 |
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14 delete taskListImpl ; |
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15 delete taskQueueImpl ; |
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16 delete htaskImpl ; |
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17 |
| 109 | 18 } |
| 19 | |
| 20 /** | |
| 321 | 21 * MailManager は PPE スケジューラとのメール交換、 |
| 22 * FifoScheduler は PPE 側のスケジューラ | |
| 23 * BufferManager は Task、TaskList などのメモリ管理(大層なことしてないが | |
| 109 | 24 */ |
| 3 | 25 void |
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26 FifoTaskManagerImpl::init() |
| 3 | 27 { |
| 109 | 28 mailManager = new MailManager(); |
| 29 mailManager->init(20); | |
| 30 | |
| 31 scheduler = new MainScheduler(); | |
| 32 scheduler->init(); | |
| 33 scheduler->set_mailManager(mailManager); | |
| 194 | 34 scheduler->id = 0; |
| 42 | 35 |
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36 taskListImpl = new TaskListInfo; |
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37 taskQueueImpl = new TaskQueueInfo; |
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38 htaskImpl = new HTaskInfo; |
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39 |
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40 taskQueueImpl->init(TASK_MAX_SIZE*4); |
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41 htaskImpl->init(TASK_MAX_SIZE*2); |
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42 |
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43 mainTaskList = taskListImpl->create(); |
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44 |
| 109 | 45 } |
| 46 | |
| 47 /** | |
| 321 | 48 * これは CellTaskManagerImpl から呼ばれる。 |
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49 * TaskList等 は共用で使うので引数に。 |
| 321 | 50 * CellTaskManagerImpl と FifoTaskManagerImpl が同時に |
| 373 | 51 * 上のデータにアクセスする事は(今は)ないのでこれでおk |
| 109 | 52 */ |
| 53 void | |
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54 FifoTaskManagerImpl::init(MainScheduler *_sched, TaskManagerImpl *tm) |
| 109 | 55 { |
| 56 mailManager = new MailManager(); | |
| 57 mailManager->init(20); | |
| 58 | |
| 59 //scheduler = new MainScheduler(); | |
| 60 scheduler = _sched; | |
| 61 scheduler->init(); | |
| 62 scheduler->set_mailManager(mailManager); | |
| 63 | |
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64 taskListImpl = tm-> taskListImpl ; |
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65 taskQueueImpl = tm-> taskQueueImpl ; |
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66 htaskImpl = tm-> htaskImpl ; |
| 485 | 67 waitTaskQueue = NULL; // mail_check で外から設定される |
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68 // waitTaskQueue = tm->waitTaskQueue; |
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69 // activeTaskQueue = NULL; // CellTaskManagerImple 側を使う |
| 485 | 70 |
| 71 // waitTaskQueue = tm->waitTaskQueue; | |
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72 // activeQueue は? |
| 109 | 73 |
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74 mainTaskList = taskListImpl->create(); |
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75 |
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76 |
| 109 | 77 } |
| 78 | |
| 79 /** | |
| 321 | 80 * スケジューラに渡す TaskList を取得する。 |
| 109 | 81 * |
| 321 | 82 * @return 実行タスクリスト |
| 109 | 83 * |
| 321 | 84 * ActiveTaskQueue (依存条件は満たし済み) のタスクを |
| 85 * 実行タスクリストに入れる | |
| 109 | 86 */ |
| 87 TaskListPtr | |
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88 FifoTaskManagerImpl::get_runTaskList() |
| 109 | 89 { |
| 90 TaskListPtr list, list_top; | |
| 321 | 91 HTaskPtr htask; // HTask (PPE にある) |
| 92 TaskPtr task; // Task (SPE に送る Task) | |
| 109 | 93 |
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94 if (activeTaskQueue->empty()) { |
| 373 | 95 return NULL; |
| 109 | 96 } |
| 97 | |
| 321 | 98 // PPE 側で実行される TaskList |
| 109 | 99 list_top = mainTaskList; |
| 100 | |
| 321 | 101 // list_top->clear() とかの方がいいかもしれん。 |
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102 list_top = taskListImpl->clear_taskList(list_top); |
| 109 | 103 list = list_top; |
| 104 | |
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105 while (TaskQueuePtr queue = activeTaskQueue->poll()) { |
| 373 | 106 htask = (HTaskPtr)queue->task; |
| 109 | 107 |
| 373 | 108 task = &list->tasks[list->length++]; |
| 491 | 109 #if 1 |
| 110 task->command = htask->command; | |
| 111 task->inData = htask->inData; | |
| 112 task->outData = htask->outData; | |
| 113 task->self = (unsigned int)htask; | |
| 114 #else | |
| 115 memcpy(task, (Task*)htask, sizeof(Task)); | |
| 116 #endif | |
| 109 | 117 |
| 118 | |
| 373 | 119 if (list->length >= TASK_MAX_SIZE) { |
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120 TaskListPtr newList = taskListImpl->create(); |
| 373 | 121 list_top = TaskListInfo::append(list_top, newList); |
| 122 list = newList; | |
| 123 } | |
| 109 | 124 |
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125 activeTaskQueue->free(queue); |
| 109 | 126 } |
| 127 | |
| 128 mainTaskList = list_top; | |
| 129 | |
| 130 return list_top; | |
| 131 } | |
| 132 | |
| 133 | |
| 134 void | |
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135 FifoTaskManagerImpl::run() |
| 109 | 136 { |
| 137 TaskListPtr list; | |
| 138 MailQueuePtr mail; | |
| 139 | |
| 140 list = get_runTaskList(); | |
| 141 | |
| 142 do { | |
| 373 | 143 // list を実行する |
| 144 mail = schedule(list); | |
| 109 | 145 |
| 373 | 146 // mail には、ppe scheduler からの mail がある |
| 147 mail_check(mail); | |
| 109 | 148 |
| 373 | 149 // 依存関係を満たしたものは実行可能キューへ |
| 150 wakeup_waitTask(); | |
| 151 list = get_runTaskList(); | |
| 109 | 152 } while (list); |
| 153 } | |
| 154 | |
| 155 /** | |
| 321 | 156 * @param [list] 実行タスクリスト |
| 157 * @return FifoScheduler からのメール | |
| 109 | 158 * |
| 321 | 159 * [Tasklist] -> [番兵] -> scheduler->run を抜ける |
| 109 | 160 */ |
| 161 MailQueuePtr | |
| 162 FifoTaskManagerImpl::schedule(TaskListPtr list) | |
| 163 { | |
| 164 MailQueuePtr list_mail; // task list | |
| 321 | 165 MailQueuePtr sentinel; // 番兵 |
| 109 | 166 MailQueuePtr in_mail_list = NULL; |
| 167 MailQueuePtr out_mail_list = NULL; | |
| 168 | |
| 321 | 169 // TaskList のアドレス |
| 373 | 170 list_mail = mailManager->create((unsigned int)list); |
| 109 | 171 in_mail_list = MailManager::append_mailQueue(in_mail_list, list_mail); |
| 172 | |
| 321 | 173 // EXIT_COMMAND (番兵的な意味で) |
| 109 | 174 sentinel = mailManager->create(MY_SPE_COMMAND_EXIT); |
| 175 in_mail_list = MailManager::append_mailQueue(in_mail_list, sentinel); | |
| 373 | 176 |
| 321 | 177 // scheduler は受け取ったメールを元に実行する |
| 109 | 178 scheduler->send_mailList(in_mail_list); |
| 179 scheduler->run(); | |
| 373 | 180 out_mail_list = scheduler->recv_mailList(); |
| 109 | 181 |
| 182 return out_mail_list; | |
| 183 } | |
| 184 | |
| 185 /** | |
| 321 | 186 * PPE Scheduler からのメールをチェックする |
| 109 | 187 * |
| 188 * @param [mail_list] | |
| 321 | 189 * PPE 側で動く Scheduler からのメールリスト |
| 190 * 終了した Task や、その他(今はまだ実装してないけど)の情報が入ってる | |
| 109 | 191 * |
| 373 | 192 * @return Scheduler が次に実行する Task List |
| 321 | 193 * NULL なら全てのタスクが実行終了したということ |
| 109 | 194 */ |
| 195 void | |
| 485 | 196 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list, TaskQueueInfo *waitQueue) |
| 197 { | |
| 198 waitTaskQueue = waitQueue; | |
| 199 mail_check(mail_list); | |
| 200 } | |
| 201 | |
| 202 void | |
| 109 | 203 FifoTaskManagerImpl::mail_check(MailQueuePtr mail_list) |
| 204 { | |
| 205 MailQueuePtr q = mail_list; | |
| 206 MailQueuePtr d; | |
| 207 unsigned int data; | |
| 208 | |
| 209 while (q) { | |
| 373 | 210 data = q->data; |
| 109 | 211 |
| 373 | 212 /** |
| 213 * MY_SPE_STATUS_READY: SPE が持ってた Task 全て終了 | |
| 214 * MY_SPE_NOP: 特に意味のないコマンド | |
| 215 * それ以外：終了したタスク(PPEにあるのでアドレス | |
| 216 * | |
| 217 * MY_SPE_NOP が 0 なので、 | |
| 218 * 下のように data > MY_SPE_NOP とかしています。 | |
| 219 * 一目でよくわからない書き方なんで、直したいところですが。。。 | |
| 220 */ | |
| 221 if (data == MY_SPE_STATUS_READY) { | |
| 222 __debug_ppe("mail_check(): Task List finish\n"); | |
| 223 } else if (data > MY_SPE_NOP) { | |
| 224 __debug_ppe("mail_check(): recv from 0x%x\n", data); | |
| 225 check_task_finish((HTaskPtr)data); | |
| 226 } | |
| 109 | 227 |
| 373 | 228 d = q; |
| 229 q = q->next; | |
| 109 | 230 |
| 373 | 231 mailManager->free(d); |
| 109 | 232 } |
| 3 | 233 } |
| 234 | |
| 109 | 235 void* |
| 236 FifoTaskManagerImpl::allocate(int size) | |
| 237 { | |
| 238 return malloc(size); | |
| 239 } | |
| 240 | |
| 373 | 241 Scheduler* |
| 242 FifoTaskManagerImpl::get_scheduler() { | |
| 243 return scheduler; | |
| 244 } | |
| 245 | |
| 109 | 246 /** |
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247 * # # # # # # # # |
| 109 | 248 * Abstract Factory Pattern |
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249 * # # # # # # # |
| 109 | 250 */ |
| 251 #ifdef __CERIUM_FIFO__ | |
| 373 | 252 TaskManagerImpl* |
| 3 | 253 create_impl(int num) |
| 254 { | |
| 255 return new FifoTaskManagerImpl(); | |
| 256 } | |
| 109 | 257 #endif // __CERIUM_FIFO__ |
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258 |