46 | | |
47 | | static CBR *myCBR; |
48 | | |
49 | | |
50 | | CognitiveEngine::CognitiveEngine() |
| 46 | class DSA_CE : public CognitiveEngine |
| 47 | { |
| 48 | public: |
| 49 | /*! Default constructor. */ |
| 50 | DSA_CE(); |
| 51 | |
| 52 | /*! Default destructor. */ |
| 53 | ~DSA_CE(); |
| 54 | |
| 55 | /*! \brief Preferred constructor. |
| 56 | * |
| 57 | * Overloaded constructor that creates a cognitive engine object and |
| 58 | * connects it to either the shell or an SML, depening on the SML bool. |
| 59 | * |
| 60 | * The 'numFields' parameter sets how large the parameter, observable, |
| 61 | * and utility arrays should be upon instantiation. |
| 62 | */ |
| 63 | DSA_CE(const char* serverName, const char* serverPort, \ |
| 64 | const int32_t numFields, const bool SML); |
| 65 | |
| 66 | void RegisterServices(); |
| 67 | void DeregisterServices(); |
| 68 | |
| 69 | /*! \brief Request that the CE optimize a set of parameters. |
| 70 | * |
| 71 | * Find the most optimal set of transmission parameters given certain |
| 72 | * observables and possibly a service if the SML component is present |
| 73 | * and active. */ |
| 74 | Parameter *GetSolution(Observable *observables, \ |
| 75 | Parameter *currentParameters); |
| 76 | Parameter *GetSolution(Observable *observables, \ |
| 77 | Parameter *currentParameters, std::string service); |
| 78 | |
| 79 | /*! \brief Receive feedback from the radio |
| 80 | * |
| 81 | * Receive a feedback from the radio regarding the performance of a |
| 82 | * certain set of parameters, possibly associated with a service. |
| 83 | * |
| 84 | * Feedback is a single set of performance statistics that is achieved |
| 85 | * corresponding to a specific set of transmission parameters. Feedback |
| 86 | * helps a Cognitive Engine make better future decisions based upon |
| 87 | * more accurate performance statistics. |
| 88 | */ |
| 89 | void ReceiveFeedback(Observable *observables,Parameter *parameters); |
| 90 | void ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
| 91 | std::string service); |
| 92 | |
| 93 | |
| 94 | /*! \brief Initialize the CE and prepare it for operation. |
| 95 | * |
| 96 | * BuildCognitiveEngine performs the CE implementation specific work |
| 97 | * that defines the internals of a CE. For example, a CBR CE engine |
| 98 | * would build the case-base reasoner or create the database, a neural |
| 99 | * network based CE may perform the initial training, a GA based CE |
| 100 | * may build the chromosome structure. |
| 101 | */ |
| 102 | void BuildCognitiveEngine(); |
| 103 | |
| 104 | /*! \brief Each of these functions responds to a specific command. |
| 105 | * |
| 106 | * These functions are left principally un-implemented. It is the duty |
| 107 | * of child classes to implement these functions, as they define the |
| 108 | * cognitive engine's functionality. |
| 109 | */ |
| 110 | void PerformUpdatePerformance(); |
| 111 | void PerformRequestOptimizationService(); |
| 112 | void PerformRequestOptimization(); |
| 113 | void PerformQueryComponentType(); |
| 114 | void PerformConnectSML(); |
| 115 | void PerformDisconnectSML(); |
| 116 | void PerformResetEngineCognitive(); |
| 117 | void PerformShutdownEngineCognitive(); |
| 118 | |
| 119 | CBR *myCBR; |
| 120 | }; |
| 121 | |
| 122 | DSA_CE::DSA_CE() |
73 | | |
74 | | pList = new Parameter[10]; |
75 | | oList = new Observable[10]; |
76 | | uList = new Utility[10]; |
77 | | radioInfo = new Radio_Info; |
78 | | |
79 | | ConnectToRemoteComponent(serverName, serverPort, SML); |
80 | | } |
81 | | |
82 | | |
83 | | void |
84 | | CognitiveEngine::SendComponentType() |
85 | | { |
86 | | SendMessage(commandSocketFD, "response_engine_cognitive"); |
87 | | LOG("Cognitive Engine responded to GetRemoteComponentType query.\n"); |
88 | | } |
89 | | |
90 | | |
91 | | void |
92 | | CognitiveEngine::ConnectToRemoteComponent(const char *serverName, \ |
93 | | const char *serverPort, const bool SML) |
94 | | { |
95 | | commandSocketFD = ClientSocket(serverName, serverPort); |
96 | | |
97 | | SML_present = SML; |
98 | | |
99 | | if(SML) { |
| 146 | srand ( time(NULL) ); |
| 147 | } |
| 148 | |
| 149 | |
| 150 | void |
| 151 | DSA_CE::RegisterServices() |
| 152 | { |
| 153 | LOG("Cognitive Engine:: Registering services.\n"); |
| 154 | |
| 155 | SendMessage(commandSocketFD, "register_service"); |
| 156 | SendMessage(commandSocketFD, "test_srv"); |
| 157 | |
| 158 | SendMessage(commandSocketFD, "register_service"); |
| 159 | SendMessage(commandSocketFD, "test_srv1"); |
| 160 | |
| 161 | SendMessage(commandSocketFD, "register_service"); |
| 162 | SendMessage(commandSocketFD, "test_srv2"); |
| 163 | |
| 164 | SendMessage(commandSocketFD, "register_service"); |
| 165 | SendMessage(commandSocketFD, "test_srv3"); |
| 166 | |
| 167 | } |
| 168 | |
| 169 | //Combined with deregister component since those two things must happen togeather |
| 170 | void |
| 171 | DSA_CE::DeregisterServices() |
| 172 | { |
| 173 | LOG("Cognitive Engine:: Deregistering services.\n"); |
| 174 | |
| 175 | SendMessage(commandSocketFD, "deregister_service"); |
| 176 | SendMessage(commandSocketFD, "test_srv"); |
| 177 | |
| 178 | SendMessage(commandSocketFD, "deregister_service"); |
| 179 | SendMessage(commandSocketFD, "test_srv1"); |
| 180 | |
| 181 | SendMessage(commandSocketFD, "deregister_service"); |
| 182 | SendMessage(commandSocketFD, "test_srv2"); |
| 183 | |
| 184 | SendMessage(commandSocketFD, "deregister_service"); |
| 185 | SendMessage(commandSocketFD, "test_srv3"); |
| 186 | |
| 187 | } |
| 188 | |
| 189 | /* The core of the CE is this function */ |
| 190 | Parameter* |
| 191 | DSA_CE::GetSolution(Observable *observables, Parameter *currentParameters) |
| 192 | { |
| 193 | LOG("Cognitive Engine:: Generating solution.\n"); |
| 194 | |
| 195 | /* Put together the CBR search array */ |
| 196 | |
| 197 | uint32_t channel = 0; |
| 198 | string searchNames[1]; |
| 199 | string sumSearchName; |
| 200 | float searchVals[1]; |
| 201 | float utilArray[(int)pList[0].max]; |
| 202 | int searchOps[1]; |
| 203 | uint32_t numberColumns = radioInfo->numUtilities + radioInfo->numParameters + \ |
| 204 | radioInfo->numObservables + 1; |
| 205 | |
| 206 | float returnValues[numberColumns]; |
| 207 | float sumRetVals[numberColumns]; |
| 208 | |
| 209 | // Total sum of utilities in sumRetVals[0] |
| 210 | |
| 211 | string channel_name = "channel"; |
| 212 | string utility_name = "utility"; |
| 213 | |
| 214 | for(int32_t i = 0 ; i < pList[0].max ; i++ ) { |
| 215 | searchNames[0] = pList[0].name; |
| 216 | searchOps[0] = 0; |
| 217 | searchVals[0] = i+1; |
| 218 | |
| 219 | uint32_t rc = myCBR->Search(searchNames, searchOps, searchVals, |
| 220 | 1, returnValues); |
| 221 | |
| 222 | if(rc == 31337) { |
| 223 | // No entry - must add |
227 | | CognitiveEngine::WaitForSignal() |
228 | | { |
229 | | char buffer[256]; |
230 | | |
231 | | while(true) { |
232 | | memset(buffer, 0, 256); |
233 | | |
234 | | ReadMessage(commandSocketFD, buffer); |
235 | | |
236 | | // TODO this is ugly... is there a better way? Doesn't strcmp compare the |
237 | | // whole string? We only need to compare until we find a single different |
238 | | // byte... |
239 | | // |
240 | | // If we send integer op codes rather than strings, this process will be |
241 | | // MUCH faster since instead of donig string compares we can simply |
242 | | // switch on the integer value... |
243 | | if(strcmp(buffer, "update_performance") == 0) { |
244 | | |
245 | | /* Receive Set of current Parameters */ |
246 | | memset(buffer, 0, 256); |
247 | | ReadMessage(commandSocketFD, buffer); |
248 | | uint32_t numParameters = atoi(buffer); |
249 | | |
250 | | Parameter *p = new Parameter[numParameters]; |
251 | | |
252 | | for(size_t i = 0; i < numParameters; i++) { |
253 | | memset(buffer, 0, 256); |
254 | | ReadMessage(commandSocketFD, buffer); |
255 | | p[i].name = std::string(buffer); |
256 | | |
257 | | memset(buffer, 0, 256); |
258 | | ReadMessage(commandSocketFD, buffer); |
259 | | p[i].value = atof(buffer); |
260 | | } |
261 | | |
262 | | /* Receive Set of Observables */ |
263 | | memset(buffer, 0, 256); |
264 | | ReadMessage(commandSocketFD, buffer); |
265 | | uint32_t numObservables = atoi(buffer); |
266 | | |
267 | | Observable *o = new Observable[numObservables]; |
268 | | |
269 | | for(size_t i = 0; i < numObservables; i++) { |
270 | | memset(buffer, 0, 256); |
271 | | ReadMessage(commandSocketFD, buffer); |
272 | | o[i].name = std::string(buffer); |
273 | | |
274 | | memset(buffer, 0, 256); |
275 | | ReadMessage(commandSocketFD, buffer); |
276 | | o[i].value = atof(buffer); |
277 | | } |
278 | | |
279 | | ReceiveFeedback(o,p); |
280 | | |
281 | | delete [] o; |
282 | | delete [] p; |
283 | | } |
284 | | else if(strcmp(buffer, "request_optimization_service") == 0) { |
285 | | // THIS IS CURRENTLY IN DEMO MODE |
286 | | |
287 | | |
288 | | /* Receive Set of Observables */ |
289 | | LOG("\nCognitive Engine:: Receiving service name\n"); |
290 | | |
291 | | memset(buffer, 0, 256); |
292 | | ReadMessage(commandSocketFD,buffer); |
293 | | LOG("\nCognitive Engine:: Got service name, %s\n", buffer); |
294 | | |
295 | | /* Receive Set of Observables */ |
296 | | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
297 | | |
298 | | memset(buffer, 0, 256); |
299 | | ReadMessage(commandSocketFD,buffer); |
300 | | uint32_t numObservables = atoi(buffer); |
301 | | |
302 | | Observable *o = new Observable[numObservables]; |
303 | | |
304 | | for(size_t i = 0; i < numObservables; i++) { |
305 | | memset(buffer, 0, 256); |
306 | | ReadMessage(commandSocketFD, buffer); |
307 | | o[i].name = std::string(buffer); |
308 | | |
309 | | memset(buffer, 0, 256); |
310 | | ReadMessage(commandSocketFD, buffer); |
311 | | o[i].value = atof(buffer); |
312 | | } |
313 | | |
314 | | /* Receive Set of current Parameters */ |
315 | | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
316 | | |
317 | | memset(buffer, 0, 256); |
318 | | ReadMessage(commandSocketFD, buffer); |
319 | | uint32_t numCurrentParameters = atoi(buffer); |
320 | | |
321 | | Parameter *cp = new Parameter[numCurrentParameters]; |
322 | | |
323 | | for(size_t i = 0; i < numCurrentParameters; i++) { |
324 | | memset(buffer, 0, 256); |
325 | | ReadMessage(commandSocketFD, buffer); |
326 | | cp[i].name = std::string(buffer); |
327 | | |
328 | | memset(buffer, 0, 256); |
329 | | ReadMessage(commandSocketFD, buffer); |
330 | | cp[i].value = atof(buffer); |
331 | | } |
332 | | LOG("Cognitive Engine:: Processing parameters....\n"); |
333 | | |
334 | | // TODO need to actually do something with the observables here |
335 | | |
336 | | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
337 | | char numParametersChar[10]; |
338 | | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
339 | | SendMessage(commandSocketFD, numParametersChar); |
340 | | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
341 | | SendMessage(commandSocketFD, "test"); |
342 | | SendMessage(commandSocketFD, "00"); |
343 | | } |
344 | | |
345 | | delete [] o; |
346 | | delete [] cp; |
347 | | } |
348 | | else if(strcmp(buffer, "request_optimization") == 0) { |
349 | | |
350 | | /* Receive Set of Observables */ |
351 | | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
352 | | |
353 | | memset(buffer, 0, 256); |
354 | | ReadMessage(commandSocketFD,buffer); |
355 | | uint32_t numObservables = atoi(buffer); |
356 | | |
357 | | Observable *o = new Observable[numObservables]; |
358 | | |
359 | | for(size_t i = 0; i < numObservables; i++) { |
360 | | memset(buffer, 0, 256); |
361 | | ReadMessage(commandSocketFD, buffer); |
362 | | o[i].name = std::string(buffer); |
363 | | |
364 | | memset(buffer, 0, 256); |
365 | | ReadMessage(commandSocketFD, buffer); |
366 | | o[i].value = atof(buffer); |
367 | | } |
368 | | |
369 | | /* Receive Set of current Parameters */ |
370 | | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
371 | | |
372 | | memset(buffer, 0, 256); |
373 | | ReadMessage(commandSocketFD, buffer); |
374 | | uint32_t numCurrentParameters = atoi(buffer); |
375 | | |
376 | | Parameter *cp = new Parameter[numCurrentParameters]; |
377 | | |
378 | | for(size_t i = 0; i < numCurrentParameters; i++) { |
379 | | memset(buffer, 0, 256); |
380 | | ReadMessage(commandSocketFD, buffer); |
381 | | cp[i].name = std::string(buffer); |
382 | | |
383 | | memset(buffer, 0, 256); |
384 | | ReadMessage(commandSocketFD, buffer); |
385 | | cp[i].value = atof(buffer); |
386 | | } |
387 | | LOG("Cognitive Engine:: Processing parameters....\n"); |
388 | | |
389 | | Parameter *solutionSet; |
390 | | |
391 | | solutionSet = GetSolution(o,cp); |
392 | | |
393 | | // TODO need to actually do something with the observables here |
394 | | |
395 | | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
396 | | char numParametersChar[10]; |
397 | | char solutionValue[50]; |
398 | | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
399 | | SendMessage(commandSocketFD, numParametersChar); |
400 | | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
401 | | SendMessage(commandSocketFD, solutionSet[i].name.c_str()); |
402 | | memset(solutionValue, 0, 50); |
403 | | sprintf(solutionValue, "%f", solutionSet[i].value); |
404 | | SendMessage(commandSocketFD, solutionValue); |
405 | | } |
406 | | |
407 | | delete [] o; |
408 | | delete [] cp; |
409 | | } |
410 | | else if(strcmp(buffer, "query_component_type") == 0) { |
411 | | SendComponentType(); |
412 | | } |
413 | | else if(strcmp(buffer, "connect_sml") == 0) { |
414 | | /* This command implies that we are disconnecting from the shell and |
415 | | * connecting to a SML component. */ |
416 | | char serverName[256]; |
417 | | char serverPort[256]; |
418 | | // TODO is this going to end up being too slow? |
419 | | memset(serverName, 0, 256); |
420 | | memset(serverPort, 0, 256); |
421 | | |
422 | | ReadMessage(commandSocketFD, serverName); |
423 | | ReadMessage(commandSocketFD, serverPort); |
424 | | |
425 | | /* Only continue if we are currently connected to a shell. */ |
426 | | if(!SML_present) { |
427 | | DeregisterComponent(); |
428 | | |
429 | | shutdown(commandSocketFD, 2); |
430 | | close(commandSocketFD); |
431 | | |
432 | | ConnectToRemoteComponent(serverName, serverPort, true); |
433 | | } |
434 | | } |
435 | | else if(strcmp(buffer, "disconnect_sml") == 0) { |
436 | | /* This command implies that we are disconnecting from the SML and |
437 | | * connecting to a shell component. */ |
438 | | char serverName[256]; |
439 | | char serverPort[256]; |
440 | | // TODO is this going to end up being too slow? |
441 | | memset(serverName, 0, 256); |
442 | | memset(serverPort, 0, 256); |
443 | | |
444 | | ReadMessage(commandSocketFD, serverName); |
445 | | ReadMessage(commandSocketFD, serverPort); |
446 | | |
447 | | /* We only want to do this if we are actually connected to an SML |
448 | | * currently. */ |
449 | | if(SML_present) { |
450 | | DeregisterServices(); |
451 | | |
452 | | shutdown(commandSocketFD, 2); |
453 | | close(commandSocketFD); |
454 | | |
455 | | ConnectToRemoteComponent(serverName, serverPort, false); |
456 | | } |
457 | | } |
458 | | else if(strcmp(buffer, "reset_engine_cognitive") == 0) { |
459 | | Reset(); |
460 | | } |
461 | | else if(strcmp(buffer, "shutdown_engine_cognitive") == 0) { |
462 | | Shutdown(); |
463 | | } |
464 | | } |
465 | | } |
466 | | |
467 | | |
468 | | void |
469 | | CognitiveEngine::Shutdown() |
470 | | { |
471 | | if(SML_present) { |
472 | | //DeregisterServices(); |
473 | | DeregisterComponent(); |
474 | | } |
475 | | else { |
476 | | DeregisterComponent(); |
477 | | } |
478 | | // TODO should something else be happening here? |
| 450 | DSA_CE::ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
| 451 | std::string service) |
| 452 | { |
| 453 | LOG("Cognitive Engine:: Receiving feedback.\n"); |
483 | | CognitiveEngine::Reset() |
484 | | { |
485 | | LOG("Resetting Cognitive Engine.\n"); |
486 | | |
487 | | if(SML_present) { |
488 | | DeregisterServices(); |
489 | | DeregisterComponent(); |
490 | | } |
491 | | else { |
492 | | DeregisterComponent(); |
493 | | } |
494 | | } |
495 | | |
496 | | |
497 | | void |
498 | | CognitiveEngine::RegisterComponent() |
499 | | { |
500 | | char buffer[256]; |
501 | | SendMessage(commandSocketFD, "register_engine_cognitive"); |
502 | | LOG("Cognitive Engine:: Registration message sent to shell.\n"); |
503 | | |
504 | | memset(buffer, 0, 256); |
505 | | ReadMessage(commandSocketFD, buffer); |
506 | | } |
507 | | |
508 | | void |
509 | | CognitiveEngine::DeregisterComponent() |
510 | | { |
511 | | SendMessage(commandSocketFD, "deregister_engine_cognitive"); |
512 | | LOG("Cognitive Engine:: Deregistration message sent.\n"); |
513 | | |
514 | | shutdown(commandSocketFD, 2); |
515 | | close(commandSocketFD); |
516 | | commandSocketFD = -1; |
517 | | LOG("Cognitive Engine:: Shell socket closed.\n"); |
518 | | } |
519 | | |
520 | | |
521 | | void |
522 | | CognitiveEngine::RegisterServices() |
523 | | { |
524 | | LOG("Cognitive Engine:: Registering services.\n"); |
525 | | |
526 | | SendMessage(commandSocketFD, "register_service"); |
527 | | SendMessage(commandSocketFD, "test_srv"); |
528 | | |
529 | | SendMessage(commandSocketFD, "register_service"); |
530 | | SendMessage(commandSocketFD, "test_srv1"); |
531 | | |
532 | | SendMessage(commandSocketFD, "register_service"); |
533 | | SendMessage(commandSocketFD, "test_srv2"); |
534 | | |
535 | | SendMessage(commandSocketFD, "register_service"); |
536 | | SendMessage(commandSocketFD, "test_srv3"); |
537 | | |
538 | | } |
539 | | |
540 | | //Combined with deregister component since those two things must happen togeather |
541 | | void |
542 | | CognitiveEngine::DeregisterServices() |
543 | | { |
544 | | LOG("Cognitive Engine:: Deregistering services.\n"); |
545 | | |
546 | | SendMessage(commandSocketFD, "deregister_service"); |
547 | | SendMessage(commandSocketFD, "test_srv"); |
548 | | |
549 | | SendMessage(commandSocketFD, "deregister_service"); |
550 | | SendMessage(commandSocketFD, "test_srv1"); |
551 | | |
552 | | SendMessage(commandSocketFD, "deregister_service"); |
553 | | SendMessage(commandSocketFD, "test_srv2"); |
554 | | |
555 | | SendMessage(commandSocketFD, "deregister_service"); |
556 | | SendMessage(commandSocketFD, "test_srv3"); |
557 | | |
558 | | } |
559 | | |
560 | | void |
561 | | CognitiveEngine::ReceiveRadioConfiguration() |
562 | | { |
563 | | LOG("Cognitive Engine:: Receiving Radio Configuration.\n"); |
564 | | |
565 | | char buffer[256]; |
566 | | |
567 | | /* Receive Set of Utilities */ |
568 | | memset(buffer, 0, 256); |
569 | | ReadMessage(commandSocketFD, buffer); |
570 | | radioInfo->numUtilities = atoi(buffer); |
571 | | |
572 | | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
573 | | memset(buffer, 0, 256); |
574 | | ReadMessage(commandSocketFD, buffer); |
575 | | uList[i].name = std::string(buffer); |
576 | | |
577 | | memset(buffer, 0, 256); |
578 | | ReadMessage(commandSocketFD, buffer); |
579 | | uList[i].units = std::string(buffer); |
580 | | |
581 | | memset(buffer, 0, 256); |
582 | | ReadMessage(commandSocketFD, buffer); |
583 | | uList[i].goal = std::string(buffer); |
584 | | |
585 | | memset(buffer, 0, 256); |
586 | | ReadMessage(commandSocketFD, buffer); |
587 | | uList[i].target = atof(buffer); |
588 | | } |
589 | | |
590 | | /* Receive Set of Parameters */ |
591 | | memset(buffer, 0, 256); |
592 | | ReadMessage(commandSocketFD, buffer); |
593 | | radioInfo->numParameters = atoi(buffer); |
594 | | |
595 | | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
596 | | memset(buffer, 0, 256); |
597 | | ReadMessage(commandSocketFD, buffer); |
598 | | pList[i].name = std::string(buffer); |
599 | | |
600 | | memset(buffer, 0, 256); |
601 | | ReadMessage(commandSocketFD, buffer); |
602 | | pList[i].units = std::string(buffer); |
603 | | |
604 | | memset(buffer, 0, 256); |
605 | | ReadMessage(commandSocketFD, buffer); |
606 | | pList[i].min = atof(buffer); |
607 | | |
608 | | memset(buffer, 0, 256); |
609 | | ReadMessage(commandSocketFD, buffer); |
610 | | pList[i].max = atof(buffer); |
611 | | |
612 | | memset(buffer, 0, 256); |
613 | | ReadMessage(commandSocketFD, buffer); |
614 | | pList[i].step = atof(buffer); |
615 | | |
616 | | memset(buffer, 0, 256); |
617 | | ReadMessage(commandSocketFD,buffer); |
618 | | pList[i].numAffects = atoi(buffer); |
619 | | |
620 | | for(size_t j = 0; j < pList[i].numAffects; j++) { |
621 | | memset(buffer, 0, 256); |
622 | | ReadMessage(commandSocketFD,buffer); |
623 | | // TODO for + if{break} = while? |
624 | | for(size_t k = 0; k < radioInfo->numUtilities; k++) { |
625 | | if(uList[k].name == std::string(buffer)) { |
626 | | pList[i].affection_list[j].u = &uList[k]; |
627 | | break; |
628 | | } |
629 | | } |
630 | | |
631 | | memset(buffer, 0, 256); |
632 | | ReadMessage(commandSocketFD, buffer); |
633 | | pList[i].affection_list[j].relation = std::string(buffer); |
634 | | } |
635 | | } |
636 | | |
637 | | /* Receive Set of Observables */ |
638 | | memset(buffer, 0, 256); |
639 | | ReadMessage(commandSocketFD, buffer); |
640 | | radioInfo->numObservables = atoi(buffer); |
641 | | |
642 | | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
643 | | memset(buffer, 0, 256); |
644 | | ReadMessage(commandSocketFD, buffer); |
645 | | oList[i].name = std::string(buffer); |
646 | | |
647 | | memset(buffer, 0, 256); |
648 | | ReadMessage(commandSocketFD, buffer); |
649 | | oList[i].numAffects = atoi(buffer); |
650 | | |
651 | | for(size_t j = 0; j < oList[i].numAffects; j++) { |
652 | | memset(buffer, 0, 256); |
653 | | ReadMessage(commandSocketFD, buffer); |
654 | | // TODO for + if{break} = while? |
655 | | for(size_t k = 0; k < radioInfo->numUtilities; k++) { |
656 | | if(uList[k].name == std::string(buffer)){ |
657 | | oList[i].affection_list[j].u = &uList[k]; |
658 | | break; |
659 | | } |
660 | | } |
661 | | |
662 | | memset(buffer, 0, 256); |
663 | | ReadMessage(commandSocketFD, buffer); |
664 | | oList[i].affection_list[j].relation = std::string(buffer); |
665 | | } |
666 | | } |
667 | | |
668 | | SendMessage(commandSocketFD, "receive_config_ack"); |
669 | | |
670 | | BuildCognitiveEngine(); |
671 | | } |
672 | | |
673 | | void |
674 | | CognitiveEngine::ReceiveExperience() |
675 | | { |
676 | | LOG("Cognitive Engine:: Receiving Experience Report.\n"); |
677 | | char buffer[256]; |
678 | | uint32_t numberExp; |
679 | | |
680 | | /* Receive number of experience entries */ |
681 | | memset(buffer, 0, 256); |
682 | | ReadMessage(commandSocketFD, buffer); |
683 | | numberExp = atoi(buffer); |
684 | | |
685 | | LOG("Cognitive Engine:: Waiting for %i number of entries.\n", numberExp); |
686 | | |
687 | | SendMessage(commandSocketFD, "receive_exp_ack"); |
688 | | } |
689 | | |
690 | | |
691 | | /* The core of the CE is this function */ |
692 | | |
693 | | Parameter* |
694 | | CognitiveEngine::GetSolution(Observable *observables, Parameter *currentParameters) |
695 | | { |
696 | | LOG("Cognitive Engine:: Generating solution.\n"); |
697 | | |
698 | | /* Put together the CBR search array */ |
699 | | |
700 | | uint32_t channel = 0; |
701 | | string searchNames[1]; |
702 | | string sumSearchName; |
703 | | float searchVals[1]; |
704 | | float utilArray[(int)pList[0].max]; |
705 | | int searchOps[1]; |
706 | | uint32_t numberColumns = radioInfo->numUtilities + radioInfo->numParameters + \ |
707 | | radioInfo->numObservables + 1; |
708 | | |
709 | | float returnValues[numberColumns]; |
710 | | float sumRetVals[numberColumns]; |
711 | | |
712 | | // Total sum of utilities in sumRetVals[0] |
713 | | |
714 | | string channel_name = "channel"; |
715 | | string utility_name = "utility"; |
716 | | |
717 | | for(int32_t i = 0 ; i < pList[0].max ; i++ ) { |
718 | | searchNames[0] = pList[0].name; |
719 | | searchOps[0] = 0; |
720 | | searchVals[0] = i+1; |
721 | | |
722 | | uint32_t rc = myCBR->Search(searchNames, searchOps, searchVals, |
723 | | 1, returnValues); |
724 | | |
725 | | if(rc == 31337) { |
726 | | // No entry - must add |
727 | | |
728 | | string rowNames[numberColumns]; |
729 | | size_t rowIndex = 0; |
730 | | for(size_t j = 0; j < radioInfo->numUtilities; j++) { |
731 | | rowNames[rowIndex] = uList[j].name; |
732 | | rowIndex++; |
733 | | } |
734 | | for(size_t j = 0; j < radioInfo->numParameters; j++) { |
735 | | rowNames[rowIndex] = pList[j].name; |
736 | | if(pList[j].name == "channel") |
737 | | returnValues[rowIndex] = i+1; |
738 | | rowIndex++; |
739 | | } |
740 | | for(size_t j = 0; j < radioInfo->numObservables; j++) { |
741 | | rowNames[rowIndex] = oList[j].name; |
742 | | rowIndex++; |
743 | | } |
744 | | |
745 | | rowNames[rowIndex] = utility_name; |
746 | | returnValues[rowIndex] = 500; |
747 | | |
748 | | /* Add the new optimized set to the CBR database */ |
749 | | |
750 | | myCBR->AddRow(rowNames, returnValues, numberColumns); |
751 | | } |
752 | | |
753 | | utilArray[i] = returnValues[UTILITY]; |
754 | | } |
755 | | |
756 | | printf("Current Channel Utility Scores\n"); |
757 | | printf("1: %f\t7: %f\t8: %f\t14: %f\n",utilArray[0],utilArray[1],utilArray[2],utilArray[3]); |
758 | | // Get sum of all the channel utilities. |
759 | | sumSearchName = utility_name; |
760 | | uint32_t rc = myCBR->SearchSum(sumSearchName, sumRetVals); |
761 | | |
762 | | // Psuedo random channel selection based upon utility. |
763 | | int k = rand() % (int)sumRetVals[0]; |
764 | | int cdf_total(0); |
765 | | |
766 | | for ( int i = 0; i < pList[0].max; i++ ) { |
767 | | cdf_total += utilArray[i]; |
768 | | if(k < cdf_total) { |
769 | | channel = i + 1; |
770 | | break; |
771 | | } |
772 | | } |
773 | | |
774 | | searchNames[0] = pList[0].name; |
775 | | searchOps[0] = 0; |
776 | | searchVals[0] = channel; |
777 | | |
778 | | rc = myCBR->Search(searchNames, searchOps, searchVals, |
779 | | 1, returnValues); |
780 | | |
781 | | |
782 | | //returnValues[CHANNEL] = rand() % (int)pList[0].max + (int)pList[0].min; |
783 | | returnValues[CHANNEL] = channel; |
784 | | |
785 | | printf("Cognitive Engine:: ..---===***### Channel %i has been selected ###***===---..\n",channel); |
786 | | /* Package up the new set of parameters in order to add |
787 | | the new entry into the CBR database. */ |
788 | | |
789 | | size_t returnValueIndex = 0; |
790 | | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
791 | | uList[i].value = returnValues[returnValueIndex]; |
792 | | returnValueIndex++; |
793 | | } |
794 | | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
795 | | pList[i].value = returnValues[returnValueIndex]; |
796 | | returnValueIndex++; |
797 | | } |
798 | | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
799 | | oList[i].value = returnValues[returnValueIndex]; |
800 | | returnValueIndex++; |
801 | | } |
802 | | //returnValues[returnValueIndex] = 0; |
803 | | |
804 | | string allNames[numberColumns]; |
805 | | size_t allNameIndex = 0; |
806 | | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
807 | | allNames[allNameIndex] = uList[i].name; |
808 | | returnValues[allNameIndex] = uList[i].target; |
809 | | allNameIndex++; |
810 | | } |
811 | | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
812 | | allNames[allNameIndex] = pList[i].name; |
813 | | allNameIndex++; |
814 | | } |
815 | | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
816 | | allNames[allNameIndex] = oList[i].name; |
817 | | // returnValues[allNameIndex] = 0; |
818 | | allNameIndex++; |
819 | | } |
820 | | |
821 | | allNames[allNameIndex] = utility_name; |
822 | | |
823 | | /* Add the new optimized set to the CBR database */ |
824 | | //myCBR->AddRow(allNames, returnValues, returnValueIndex+1); |
825 | | |
826 | | |
827 | | /* Return the set of new parameter values. */ |
828 | | return pList; |
829 | | } |
830 | | |
831 | | |
832 | | Parameter* |
833 | | CognitiveEngine::GetSolution(Observable *observables, \ |
834 | | Parameter *currentParameters, std::string service) |
835 | | { |
836 | | LOG("Cognitive Engine:: Generating solution for %s service.\n", service.c_str()); |
837 | | |
838 | | return pList; |
839 | | } |
840 | | |
841 | | |
842 | | void |
843 | | CognitiveEngine::ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
844 | | std::string service) |
845 | | { |
846 | | LOG("Cognitive Engine:: Receiving feedback.\n"); |
847 | | } |
848 | | |
849 | | |
850 | | void |
851 | | CognitiveEngine::BuildCognitiveEngine() |
| 458 | DSA_CE::BuildCognitiveEngine() |
| 495 | |
| 496 | void |
| 497 | DSA_CE::PerformUpdatePerformance() |
| 498 | { |
| 499 | /* Receive Set of current Parameters */ |
| 500 | char buffer[256]; |
| 501 | memset(buffer, 0, 256); |
| 502 | ReadMessage(commandSocketFD, buffer); |
| 503 | uint32_t numParameters = atoi(buffer); |
| 504 | |
| 505 | Parameter *p = new Parameter[numParameters]; |
| 506 | |
| 507 | for(size_t i = 0; i < numParameters; i++) { |
| 508 | memset(buffer, 0, 256); |
| 509 | ReadMessage(commandSocketFD, buffer); |
| 510 | p[i].name = std::string(buffer); |
| 511 | |
| 512 | memset(buffer, 0, 256); |
| 513 | ReadMessage(commandSocketFD, buffer); |
| 514 | p[i].value = atof(buffer); |
| 515 | } |
| 516 | |
| 517 | /* Receive Set of Observables */ |
| 518 | memset(buffer, 0, 256); |
| 519 | ReadMessage(commandSocketFD, buffer); |
| 520 | uint32_t numObservables = atoi(buffer); |
| 521 | |
| 522 | Observable *o = new Observable[numObservables]; |
| 523 | |
| 524 | for(size_t i = 0; i < numObservables; i++) { |
| 525 | memset(buffer, 0, 256); |
| 526 | ReadMessage(commandSocketFD, buffer); |
| 527 | o[i].name = std::string(buffer); |
| 528 | |
| 529 | memset(buffer, 0, 256); |
| 530 | ReadMessage(commandSocketFD, buffer); |
| 531 | o[i].value = atof(buffer); |
| 532 | } |
| 533 | |
| 534 | ReceiveFeedback(o,p); |
| 535 | |
| 536 | delete [] o; |
| 537 | delete [] p; |
| 538 | } |
| 539 | |
| 540 | |
| 541 | void |
| 542 | DSA_CE::PerformRequestOptimizationService() |
| 543 | { |
| 544 | // THIS IS CURRENTLY IN DEMO MODE |
| 545 | |
| 546 | |
| 547 | /* Receive Set of Observables */ |
| 548 | LOG("\nCognitive Engine:: Receiving service name\n"); |
| 549 | |
| 550 | char buffer[256]; |
| 551 | memset(buffer, 0, 256); |
| 552 | ReadMessage(commandSocketFD,buffer); |
| 553 | LOG("\nCognitive Engine:: Got service name, %s\n", buffer); |
| 554 | |
| 555 | /* Receive Set of Observables */ |
| 556 | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
| 557 | |
| 558 | memset(buffer, 0, 256); |
| 559 | ReadMessage(commandSocketFD,buffer); |
| 560 | uint32_t numObservables = atoi(buffer); |
| 561 | |
| 562 | Observable *o = new Observable[numObservables]; |
| 563 | |
| 564 | for(size_t i = 0; i < numObservables; i++) { |
| 565 | memset(buffer, 0, 256); |
| 566 | ReadMessage(commandSocketFD, buffer); |
| 567 | o[i].name = std::string(buffer); |
| 568 | |
| 569 | memset(buffer, 0, 256); |
| 570 | ReadMessage(commandSocketFD, buffer); |
| 571 | o[i].value = atof(buffer); |
| 572 | } |
| 573 | |
| 574 | /* Receive Set of current Parameters */ |
| 575 | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
| 576 | |
| 577 | memset(buffer, 0, 256); |
| 578 | ReadMessage(commandSocketFD, buffer); |
| 579 | uint32_t numCurrentParameters = atoi(buffer); |
| 580 | |
| 581 | Parameter *cp = new Parameter[numCurrentParameters]; |
| 582 | |
| 583 | for(size_t i = 0; i < numCurrentParameters; i++) { |
| 584 | memset(buffer, 0, 256); |
| 585 | ReadMessage(commandSocketFD, buffer); |
| 586 | cp[i].name = std::string(buffer); |
| 587 | |
| 588 | memset(buffer, 0, 256); |
| 589 | ReadMessage(commandSocketFD, buffer); |
| 590 | cp[i].value = atof(buffer); |
| 591 | } |
| 592 | LOG("Cognitive Engine:: Processing parameters....\n"); |
| 593 | |
| 594 | // TODO need to actually do something with the observables here |
| 595 | |
| 596 | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
| 597 | char numParametersChar[10]; |
| 598 | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
| 599 | SendMessage(commandSocketFD, numParametersChar); |
| 600 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
| 601 | SendMessage(commandSocketFD, "test"); |
| 602 | SendMessage(commandSocketFD, "00"); |
| 603 | } |
| 604 | |
| 605 | delete [] o; |
| 606 | delete [] cp; |
| 607 | } |
| 608 | |
| 609 | |
| 610 | void |
| 611 | DSA_CE::PerformRequestOptimization() |
| 612 | { |
| 613 | /* Receive Set of Observables */ |
| 614 | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
| 615 | |
| 616 | char buffer[256]; |
| 617 | memset(buffer, 0, 256); |
| 618 | ReadMessage(commandSocketFD,buffer); |
| 619 | uint32_t numObservables = atoi(buffer); |
| 620 | |
| 621 | Observable *o = new Observable[numObservables]; |
| 622 | |
| 623 | for(size_t i = 0; i < numObservables; i++) { |
| 624 | memset(buffer, 0, 256); |
| 625 | ReadMessage(commandSocketFD, buffer); |
| 626 | o[i].name = std::string(buffer); |
| 627 | |
| 628 | memset(buffer, 0, 256); |
| 629 | ReadMessage(commandSocketFD, buffer); |
| 630 | o[i].value = atof(buffer); |
| 631 | } |
| 632 | |
| 633 | /* Receive Set of current Parameters */ |
| 634 | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
| 635 | |
| 636 | memset(buffer, 0, 256); |
| 637 | ReadMessage(commandSocketFD, buffer); |
| 638 | uint32_t numCurrentParameters = atoi(buffer); |
| 639 | |
| 640 | Parameter *cp = new Parameter[numCurrentParameters]; |
| 641 | |
| 642 | for(size_t i = 0; i < numCurrentParameters; i++) { |
| 643 | memset(buffer, 0, 256); |
| 644 | ReadMessage(commandSocketFD, buffer); |
| 645 | cp[i].name = std::string(buffer); |
| 646 | |
| 647 | memset(buffer, 0, 256); |
| 648 | ReadMessage(commandSocketFD, buffer); |
| 649 | cp[i].value = atof(buffer); |
| 650 | } |
| 651 | LOG("Cognitive Engine:: Processing parameters....\n"); |
| 652 | |
| 653 | Parameter *solutionSet; |
| 654 | |
| 655 | solutionSet = GetSolution(o,cp); |
| 656 | |
| 657 | // TODO need to actually do something with the observables here |
| 658 | |
| 659 | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
| 660 | char numParametersChar[10]; |
| 661 | char solutionValue[50]; |
| 662 | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
| 663 | SendMessage(commandSocketFD, numParametersChar); |
| 664 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
| 665 | SendMessage(commandSocketFD, solutionSet[i].name.c_str()); |
| 666 | memset(solutionValue, 0, 50); |
| 667 | sprintf(solutionValue, "%f", solutionSet[i].value); |
| 668 | SendMessage(commandSocketFD, solutionValue); |
| 669 | } |
| 670 | |
| 671 | delete [] o; |
| 672 | delete [] cp; |
| 673 | } |
| 674 | |
| 675 | |
| 676 | void |
| 677 | DSA_CE::PerformQueryComponentType() |
| 678 | { |
| 679 | SendComponentType(); |
| 680 | } |
| 681 | |
| 682 | |
| 683 | void |
| 684 | DSA_CE::PerformConnectSML() |
| 685 | { |
| 686 | /* This command implies that we are disconnecting from the shell and |
| 687 | * connecting to a SML component. */ |
| 688 | char serverName[256]; |
| 689 | char serverPort[256]; |
| 690 | // TODO is this going to end up being too slow? |
| 691 | memset(serverName, 0, 256); |
| 692 | memset(serverPort, 0, 256); |
| 693 | |
| 694 | ReadMessage(commandSocketFD, serverName); |
| 695 | ReadMessage(commandSocketFD, serverPort); |
| 696 | |
| 697 | /* Only continue if we are currently connected to a shell. */ |
| 698 | if(!SML_present) { |
| 699 | DeregisterComponent(); |
| 700 | |
| 701 | shutdown(commandSocketFD, 2); |
| 702 | close(commandSocketFD); |
| 703 | |
| 704 | ConnectToRemoteComponent(serverName, serverPort, true); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | |
| 709 | void |
| 710 | DSA_CE::PerformDisconnectSML() |
| 711 | { |
| 712 | /* This command implies that we are disconnecting from the SML and |
| 713 | * connecting to a shell component. */ |
| 714 | char serverName[256]; |
| 715 | char serverPort[256]; |
| 716 | // TODO is this going to end up being too slow? |
| 717 | memset(serverName, 0, 256); |
| 718 | memset(serverPort, 0, 256); |
| 719 | |
| 720 | ReadMessage(commandSocketFD, serverName); |
| 721 | ReadMessage(commandSocketFD, serverPort); |
| 722 | |
| 723 | /* We only want to do this if we are actually connected to an SML |
| 724 | * currently. */ |
| 725 | if(SML_present) { |
| 726 | DeregisterServices(); |
| 727 | |
| 728 | shutdown(commandSocketFD, 2); |
| 729 | close(commandSocketFD); |
| 730 | |
| 731 | ConnectToRemoteComponent(serverName, serverPort, false); |
| 732 | } |
| 733 | } |
| 734 | |
| 735 | |
| 736 | void |
| 737 | DSA_CE::PerformResetEngineCognitive() |
| 738 | { |
| 739 | Reset(); |
| 740 | } |
| 741 | |
| 742 | |
| 743 | void |
| 744 | DSA_CE::PerformShutdownEngineCognitive() |
| 745 | { |
| 746 | Shutdown(); |
| 747 | } |
| 748 | |