1 | #include "traffic_agent.h" |
---|
2 | #include <list> |
---|
3 | #include <fstream> |
---|
4 | |
---|
5 | class GreenWaveTrafficAgent : public BaseTrafficAgent { |
---|
6 | LOG_LEVEL(GreenWaveTrafficAgent,logoffset); |
---|
7 | protected: |
---|
8 | double rating_change; |
---|
9 | int negot_start; |
---|
10 | int negot_offset; |
---|
11 | int negot_limit; |
---|
12 | |
---|
13 | int actual_time; |
---|
14 | |
---|
15 | RV rv_outputs; |
---|
16 | vec outputs; |
---|
17 | |
---|
18 | RV rv_change_request; |
---|
19 | vec change_request; |
---|
20 | |
---|
21 | RV rv_recieved_exps; |
---|
22 | vec recieved_exps; |
---|
23 | |
---|
24 | RV rv_next_exps; |
---|
25 | vec next_exps; |
---|
26 | |
---|
27 | //! expectations recieved from neighbours |
---|
28 | RV rv_recieved_changes; |
---|
29 | vec recieved_changes; |
---|
30 | |
---|
31 | //! list of agents, who request expected cars |
---|
32 | list<string> requesters; |
---|
33 | |
---|
34 | //! offset set in last simulation step |
---|
35 | int last_offset; |
---|
36 | //! actual planned offset to set for next simulation step |
---|
37 | int planned_offset; |
---|
38 | //! rating of actual planned offset |
---|
39 | double planned_rating; |
---|
40 | //! avarage speed of cars |
---|
41 | int VP; |
---|
42 | |
---|
43 | double car_leaving_time; //s; how long is 1 car leaving queue |
---|
44 | |
---|
45 | // some state variables |
---|
46 | bool need_exps; |
---|
47 | bool new_stable_state; |
---|
48 | bool send_requests; |
---|
49 | bool final_state; |
---|
50 | |
---|
51 | //! determines wheteher agent actively communicates |
---|
52 | int passive; |
---|
53 | |
---|
54 | //! sum of final planned_offset values since last reach of cycle_count |
---|
55 | int total_offset; |
---|
56 | //! number of finished cycles since last reach of cycle_count |
---|
57 | int negot_cycle; |
---|
58 | //! after cycle_count cycles, we count avarege planned_offseta send it to Aimsun |
---|
59 | int cycle_count; |
---|
60 | //! Finding of best own offsset starts on this offset change |
---|
61 | int find_best_start; |
---|
62 | //! minimal value of offsset change tested during looking for best offset |
---|
63 | int find_best_limit; |
---|
64 | |
---|
65 | //! counts all expected cars going from each lane, saves to outputs and rv_outputs |
---|
66 | void expected_cars() { |
---|
67 | double start_time; |
---|
68 | ivec ind; |
---|
69 | RV rv_exp; |
---|
70 | datalink exp2outputs; |
---|
71 | vec exp; |
---|
72 | string group_name; |
---|
73 | double green_time; |
---|
74 | int index; |
---|
75 | |
---|
76 | for (int i=0;i<lanes.length();i++) { |
---|
77 | for (int j=0;j<lanes(i).outputs.length();j++) { |
---|
78 | if (lanes(i).outputs(j)!="DUMMY_DET") { |
---|
79 | group_name = name+"_"+lanes(i).sg; //e.g. 495_VA |
---|
80 | |
---|
81 | index=group_index(group_name); |
---|
82 | green_time=green_times(index)*cycle_length; |
---|
83 | |
---|
84 | rv_exp=RV(lanes(i).outputs(j)+"-"+name+"_"+to_string(i),3); |
---|
85 | exp.set_size(rv_exp._dsize()); |
---|
86 | exp2outputs.set_connection(rv_exp,rv_outputs); |
---|
87 | |
---|
88 | //cars density |
---|
89 | exp(0)=lanehs(i)->expected_output(green_time)*lanes(i).alpha(j) / green_time; |
---|
90 | |
---|
91 | start_time = green_starts(group_index(name+"_"+lanes(i).sg)) + (3.6*lanes(i).output_distances(j))/(VP) + planned_offset; |
---|
92 | //first car arrive time |
---|
93 | exp(1)=start_time; |
---|
94 | //last car arrive time |
---|
95 | exp(2)=start_time + green_time; |
---|
96 | |
---|
97 | exp2outputs.pushup(outputs,exp); |
---|
98 | } |
---|
99 | } |
---|
100 | } |
---|
101 | }; |
---|
102 | |
---|
103 | /*! creates periodic expansion of gb (green begin], ge (green end), using |
---|
104 | expectations cb (cars begin), ce (cars end). Result is stored in gbv |
---|
105 | (green begin vector) and gev (green end vector) */ |
---|
106 | void expand_greens(const double gb, const double ge, const vec cb, const vec ce, vec &gbv, vec &gev) { |
---|
107 | gbv.set_size(1); |
---|
108 | gev.set_size(1); |
---|
109 | gbv(0)=gb; |
---|
110 | gev(0)=ge; |
---|
111 | if (ge>cycle_length) { |
---|
112 | gbv.ins(gbv.length(),0); |
---|
113 | gev.ins(gev.length(),ge-cycle_length); |
---|
114 | } |
---|
115 | int i=1; |
---|
116 | while (gev(gev.length()-1)<ce(max_i(ce))) { |
---|
117 | gbv.ins(gbv.length(),gb+i*cycle_length); |
---|
118 | gev.ins(gev.length(),ge+i*cycle_length); |
---|
119 | i++; |
---|
120 | } |
---|
121 | }; |
---|
122 | |
---|
123 | //! returns true if what is in interval <left;right> |
---|
124 | bool in_interval(double what, const double left, const double right) { |
---|
125 | return ((what>=left && what<=right) ? true : false); |
---|
126 | } |
---|
127 | |
---|
128 | //! counts planned rating using offset and recieved_exps |
---|
129 | double count_rating(const int offset, const vec recieved_exps, const RV rv_recieved_exps) { |
---|
130 | double virtual_queue; |
---|
131 | double t_green_begin; |
---|
132 | double t_green_end; |
---|
133 | vec cars_density; |
---|
134 | vec t_cars_begin; |
---|
135 | vec t_cars_end; |
---|
136 | bool found; |
---|
137 | ivec ind; |
---|
138 | string group_name; |
---|
139 | |
---|
140 | double rating=0.0; |
---|
141 | |
---|
142 | for (int i=0;i<lanes.length();i++) { |
---|
143 | |
---|
144 | //Finding, if we have some expectations |
---|
145 | found=false; |
---|
146 | for (int k=0;k<lanes(i).inputs.length();k++) { |
---|
147 | int l=0; |
---|
148 | for (int j=0;j<rv_recieved_exps.length();j++) { |
---|
149 | int result=rv_recieved_exps.name(j).find(lanes(i).inputs(k)+"-"); |
---|
150 | if (result>=0) { |
---|
151 | t_cars_begin.set_size(l+1,true); |
---|
152 | t_cars_end.set_size(l+1,true); |
---|
153 | cars_density.set_size(l+1,true); |
---|
154 | |
---|
155 | ind = RV(rv_recieved_exps.name(j),3).dataind(rv_recieved_exps); |
---|
156 | |
---|
157 | cars_density(l)=recieved_exps(ind(0)); |
---|
158 | t_cars_begin(l)=recieved_exps(ind(1)); |
---|
159 | t_cars_end(l)=recieved_exps(ind(2)); |
---|
160 | l++; |
---|
161 | |
---|
162 | found=true; |
---|
163 | } |
---|
164 | } |
---|
165 | } |
---|
166 | if (found) { |
---|
167 | //counting rating |
---|
168 | group_name = name+"_"+lanes(i).sg; //e.g. 495_VA |
---|
169 | int index=group_index(group_name); |
---|
170 | |
---|
171 | t_green_begin=green_starts(index) + offset; |
---|
172 | t_green_end=t_green_begin + green_times(index)*cycle_length; |
---|
173 | |
---|
174 | vec t_gb_vec; |
---|
175 | vec t_ge_vec; |
---|
176 | |
---|
177 | expand_greens(t_green_begin, t_green_end, t_cars_begin, t_cars_end, t_gb_vec, t_ge_vec); |
---|
178 | |
---|
179 | //! index for t_cars_begin |
---|
180 | int k=min_i(t_cars_begin); |
---|
181 | //! index for t_ggb_vec |
---|
182 | int l; |
---|
183 | //! indicator of actual position in whole interval |
---|
184 | double t_act=0; |
---|
185 | //! end of counting for actual line |
---|
186 | double t_limit=t_ge_vec(max_i(t_ge_vec)); |
---|
187 | //! end of closest future interval |
---|
188 | double t_end; |
---|
189 | |
---|
190 | virtual_queue=lanehs(i)->queue; |
---|
191 | |
---|
192 | //cycle goes through all "stopping" points and counts queue lenght at these points |
---|
193 | do { |
---|
194 | k=min_i(t_cars_begin); |
---|
195 | l=min_i(t_gb_vec); |
---|
196 | if (k!=-1) { |
---|
197 | //cars are entering queue |
---|
198 | if (in_interval(t_act,t_cars_begin(k), t_cars_end(k))) { |
---|
199 | //cars leaving and entering queue |
---|
200 | if (in_interval(t_act,t_gb_vec(l), t_ge_vec(l))) { |
---|
201 | t_end = min(t_cars_end(k),t_ge_vec(l)); |
---|
202 | virtual_queue+=(t_end - t_act)*(cars_density(k)-(1/car_leaving_time)); |
---|
203 | t_cars_begin(k)=t_end; |
---|
204 | t_gb_vec(l)=t_end; |
---|
205 | } |
---|
206 | //cars only entering queue |
---|
207 | else { |
---|
208 | t_end=min(t_cars_end(k),t_ge_vec(l)); |
---|
209 | virtual_queue+=(t_end-t_act)*cars_density(k); |
---|
210 | t_cars_begin(k)=t_end; |
---|
211 | } |
---|
212 | } |
---|
213 | //cars are not entering queue |
---|
214 | else { |
---|
215 | //cars are only leaving queue |
---|
216 | if (in_interval(t_act,t_gb_vec(l), t_ge_vec(l))) { |
---|
217 | t_end = min(t_ge_vec(l),t_cars_begin(k)); |
---|
218 | virtual_queue-=(t_end-t_act)/car_leaving_time; |
---|
219 | t_gb_vec(l)=t_end; |
---|
220 | |
---|
221 | //in case we emptied whole queue |
---|
222 | virtual_queue=max(virtual_queue,0.0); |
---|
223 | } |
---|
224 | //no cars entering, no cars leaving |
---|
225 | else { |
---|
226 | t_end=min(t_gb_vec(l),t_cars_begin(k)); |
---|
227 | } |
---|
228 | } |
---|
229 | t_act=t_end; |
---|
230 | |
---|
231 | //raising rating |
---|
232 | if (virtual_queue<0) { |
---|
233 | rating-=virtual_queue; |
---|
234 | virtual_queue=0; |
---|
235 | } |
---|
236 | |
---|
237 | //deleting used intervals |
---|
238 | if (t_cars_begin(k)==t_cars_end(k)) { |
---|
239 | t_cars_begin.del(k); |
---|
240 | t_cars_end.del(k); |
---|
241 | cars_density.del(k); |
---|
242 | } |
---|
243 | if (t_gb_vec(l)==t_ge_vec(l)) { |
---|
244 | t_gb_vec.del(l); |
---|
245 | t_ge_vec.del(l); |
---|
246 | } |
---|
247 | } |
---|
248 | //if no other expectations found |
---|
249 | else { |
---|
250 | virtual_queue-=( t_ge_vec(l)-t_act)/car_leaving_time; |
---|
251 | t_act=t_ge_vec(l); |
---|
252 | t_gb_vec.del(l); |
---|
253 | t_ge_vec.del(l); |
---|
254 | } |
---|
255 | } while (t_act<t_limit); |
---|
256 | } |
---|
257 | } |
---|
258 | return rating; |
---|
259 | } |
---|
260 | |
---|
261 | //! finds best offset using recieved_exps. Returns found offset |
---|
262 | int find_best_offset(const int center, int interval) { |
---|
263 | //! rating if offset is rised |
---|
264 | double rating_p; |
---|
265 | //! rating if offset is unchaged (=center) |
---|
266 | double rating_c; |
---|
267 | //! rating if offset is lowered |
---|
268 | double rating_n; |
---|
269 | //! center point for next cycle |
---|
270 | int new_center; |
---|
271 | |
---|
272 | rating_p=count_rating(center+interval, recieved_exps, rv_recieved_exps); |
---|
273 | rating_c=count_rating(center, recieved_exps, rv_recieved_exps); |
---|
274 | rating_n=count_rating(center-interval, recieved_exps, rv_recieved_exps); |
---|
275 | |
---|
276 | new_center=center; |
---|
277 | int max_index=max_i_of_three(rating_p,rating_c,rating_n); |
---|
278 | switch (max_index) { |
---|
279 | case 0: |
---|
280 | new_center+=interval; |
---|
281 | break; |
---|
282 | case 1: |
---|
283 | break; |
---|
284 | case 2: |
---|
285 | new_center-=interval; |
---|
286 | break; |
---|
287 | } |
---|
288 | |
---|
289 | if (interval>find_best_limit) { |
---|
290 | interval/=2; |
---|
291 | new_center=find_best_offset(new_center,interval); |
---|
292 | } |
---|
293 | |
---|
294 | return new_center; |
---|
295 | } |
---|
296 | |
---|
297 | //! finds if changing neighbour's offset could have positive effect, returns found offset change and stores chage of rating to rating_change |
---|
298 | int find_best_exps(const int offset_change, const string neighbour, double &rating_change) { |
---|
299 | //! expactations after positve change of neighbour's offset |
---|
300 | vec positive_exps; |
---|
301 | //! expactations after negative change of neighbour's offset |
---|
302 | vec negative_exps; |
---|
303 | //! rating if offset is raised |
---|
304 | double rating_p; |
---|
305 | //! rating if offset is unchaged |
---|
306 | double rating_c; |
---|
307 | //! rating if offset is lowered |
---|
308 | double rating_n; |
---|
309 | |
---|
310 | positive_exps=recieved_exps; |
---|
311 | negative_exps=recieved_exps; |
---|
312 | |
---|
313 | for (int j=0;j<rv_recieved_exps.length();j++) { |
---|
314 | int res = rv_recieved_exps.name(j).find("-"+neighbour); |
---|
315 | if (res>0) { |
---|
316 | ivec ind = RV(rv_recieved_exps.name(j),3).dataind(rv_recieved_exps); |
---|
317 | |
---|
318 | positive_exps(ind(1))+=offset_change; |
---|
319 | positive_exps(ind(2))+=offset_change; |
---|
320 | |
---|
321 | negative_exps(ind(1))-=offset_change; |
---|
322 | negative_exps(ind(2))-=offset_change; |
---|
323 | } |
---|
324 | } |
---|
325 | |
---|
326 | rating_c=count_rating(planned_offset, recieved_exps, rv_recieved_exps); |
---|
327 | rating_p=count_rating(planned_offset, positive_exps, rv_recieved_exps); |
---|
328 | rating_n=count_rating(planned_offset, negative_exps, rv_recieved_exps); |
---|
329 | |
---|
330 | int max_index=max_i_of_three(rating_p,rating_c,rating_n); |
---|
331 | switch (max_index) { |
---|
332 | case 0: |
---|
333 | rating_change=rating_p-rating_c; |
---|
334 | return offset_change; |
---|
335 | break; |
---|
336 | case 1: |
---|
337 | rating_change=0; |
---|
338 | return 0; |
---|
339 | break; |
---|
340 | case 2: |
---|
341 | rating_change=rating_n-rating_c; |
---|
342 | return -offset_change; |
---|
343 | break; |
---|
344 | } |
---|
345 | rating_change=NULL; |
---|
346 | return NULL; |
---|
347 | } |
---|
348 | |
---|
349 | //! returns index of signal group "group" |
---|
350 | int group_index(const string group) { |
---|
351 | for (int i=0;i<green_names.length();i++) { |
---|
352 | if (green_names(i)==group) { |
---|
353 | return i; |
---|
354 | } |
---|
355 | } |
---|
356 | return -1; |
---|
357 | } |
---|
358 | |
---|
359 | /*! |
---|
360 | returns offset value shifted to fit interval <-cycle_length/2;cycle_length/2> |
---|
361 | or (when second parameter is false)) <0;cycle_length> |
---|
362 | */ |
---|
363 | int normalize_offset(int offset, bool zero=true) { |
---|
364 | if (zero) { |
---|
365 | while ((offset<(-cycle_length/2)) || (offset>(cycle_length/2))) { |
---|
366 | if (offset<0) { |
---|
367 | offset+=cycle_length; |
---|
368 | } |
---|
369 | else { |
---|
370 | offset-=cycle_length; |
---|
371 | } |
---|
372 | } |
---|
373 | return offset; |
---|
374 | } |
---|
375 | else { |
---|
376 | while (offset<0 || offset>cycle_length) { |
---|
377 | if (offset<0) { |
---|
378 | offset+=cycle_length; |
---|
379 | } |
---|
380 | else { |
---|
381 | offset-=cycle_length; |
---|
382 | } |
---|
383 | } |
---|
384 | return offset; |
---|
385 | } |
---|
386 | } |
---|
387 | |
---|
388 | //! converts t to string |
---|
389 | template <class T> inline string to_string (const T& t) |
---|
390 | { |
---|
391 | std::stringstream ss; |
---|
392 | ss << t; |
---|
393 | return ss.str(); |
---|
394 | } |
---|
395 | |
---|
396 | //! returns index of maximum of entered values |
---|
397 | int max_i_of_three(const double a, const double b, const double c) { |
---|
398 | int index = a > b ? 0 : 1; |
---|
399 | |
---|
400 | if (index == 0) { |
---|
401 | index = a > c ? 0 : 2; |
---|
402 | } |
---|
403 | else { |
---|
404 | index = b > c ? 1 : 2; |
---|
405 | } |
---|
406 | return index; |
---|
407 | } |
---|
408 | |
---|
409 | //! returns index of smallest element in vector |
---|
410 | int min_i(vec vector) { |
---|
411 | if (vector.length()>0) { |
---|
412 | double min=vector(0); |
---|
413 | int index=0; |
---|
414 | for (int i=1;i<vector.length();i++) { |
---|
415 | if (vector(i)<min) { |
---|
416 | min=vector(i); |
---|
417 | index=i; |
---|
418 | } |
---|
419 | } |
---|
420 | return index; |
---|
421 | } |
---|
422 | return -1; |
---|
423 | } |
---|
424 | |
---|
425 | //! returns index of largest element in vector |
---|
426 | int max_i(vec vector) { |
---|
427 | if (vector.length()>0) { |
---|
428 | double max=vector(0); |
---|
429 | int index=0; |
---|
430 | for (int i=1;i<vector.length();i++) { |
---|
431 | if (vector(i)>max) { |
---|
432 | max=vector(i); |
---|
433 | index=i; |
---|
434 | } |
---|
435 | } |
---|
436 | return index; |
---|
437 | } |
---|
438 | return -1; |
---|
439 | } |
---|
440 | |
---|
441 | |
---|
442 | public: |
---|
443 | void validate() { |
---|
444 | rv_action = RV(name+"_offset", 1); |
---|
445 | |
---|
446 | for (int i=0; i<green_names.length();i++) { |
---|
447 | rv_inputs.add(RV(green_names(i),1)); |
---|
448 | } |
---|
449 | inputs.set_size(rv_inputs._dsize()); |
---|
450 | |
---|
451 | BaseTrafficAgent::validate(); |
---|
452 | |
---|
453 | for (int i=0;i<lanehs.length();i++) { |
---|
454 | ivec index = RV(lanes(i).queue,1).dataind(rv_queues); |
---|
455 | lanehs(i)->queue_index=index(0); |
---|
456 | } |
---|
457 | } |
---|
458 | |
---|
459 | void adapt(const vec &glob_dt) { |
---|
460 | BaseTrafficAgent::adapt(glob_dt); |
---|
461 | |
---|
462 | for (int i=0;i<lanehs.length();i++) { |
---|
463 | lanehs(i)->queue=queues(lanehs(i)->queue_index); |
---|
464 | } |
---|
465 | |
---|
466 | planned_offset=last_offset; |
---|
467 | planned_rating=0; |
---|
468 | |
---|
469 | //set state variables to default values |
---|
470 | final_state=false; |
---|
471 | new_stable_state=false; |
---|
472 | send_requests=false; |
---|
473 | need_exps=true; |
---|
474 | negot_offset=negot_start; |
---|
475 | |
---|
476 | if (actual_time/cycle_length<2) { |
---|
477 | need_exps=false; |
---|
478 | final_state=true; |
---|
479 | } |
---|
480 | } |
---|
481 | |
---|
482 | void broadcast(Setting& set){ |
---|
483 | |
---|
484 | //ask neighbours for expetcted arrive times |
---|
485 | if (need_exps) { |
---|
486 | for (int i=0; i<neighbours.length(); i++){ |
---|
487 | Setting &msg =set.add(Setting::TypeGroup); |
---|
488 | UI::save ( neighbours(i), msg, "to"); |
---|
489 | UI::save (name,msg,"from"); |
---|
490 | UI::save ( (string)"expected_times_request", msg, "what"); |
---|
491 | } |
---|
492 | need_exps=false; |
---|
493 | } |
---|
494 | |
---|
495 | // broadcast expected cars |
---|
496 | if (!requesters.empty()) { |
---|
497 | expected_cars(); |
---|
498 | do { |
---|
499 | Setting &msg =set.add(Setting::TypeGroup); |
---|
500 | UI::save ( requesters.back(), msg, "to"); |
---|
501 | UI::save ( name, msg, "from"); |
---|
502 | UI::save ( (string)"new_expected_cars", msg, "what"); |
---|
503 | UI::save ( &(rv_outputs), msg, "rv"); |
---|
504 | UI::save ( outputs, msg, "value"); |
---|
505 | requesters.pop_back(); |
---|
506 | } while (!requesters.empty()); |
---|
507 | } |
---|
508 | |
---|
509 | // broadcast new stable state (new stable expectations) |
---|
510 | if (new_stable_state) { |
---|
511 | expected_cars(); |
---|
512 | for (int i=0;i<neighbours.length();i++) { |
---|
513 | Setting &msg = set.add(Setting::TypeGroup); |
---|
514 | UI::save ( neighbours(i), msg, "to"); |
---|
515 | UI::save ( name, msg, "from"); |
---|
516 | UI::save ( (string)"stable_state", msg, "what"); |
---|
517 | UI::save ( &(rv_outputs), msg, "rv"); |
---|
518 | UI::save ( outputs, msg, "value"); |
---|
519 | } |
---|
520 | new_stable_state=false; |
---|
521 | } |
---|
522 | |
---|
523 | // broadcast requests to change offset(s) |
---|
524 | if (send_requests) { |
---|
525 | for (int i=0;i<neighbours.length();i++) { |
---|
526 | Setting &msg = set.add(Setting::TypeGroup); |
---|
527 | UI::save ( neighbours(i), msg, "to"); |
---|
528 | UI::save ( name, msg, "from"); |
---|
529 | UI::save ( (string)"offset_change_request", msg, "what"); |
---|
530 | UI::save ( &(rv_change_request), msg, "rv"); |
---|
531 | UI::save ( change_request, msg, "value"); |
---|
532 | } |
---|
533 | send_requests=false; |
---|
534 | } |
---|
535 | |
---|
536 | // reached final offset |
---|
537 | if (final_state) { |
---|
538 | final_state=false; |
---|
539 | } |
---|
540 | } |
---|
541 | |
---|
542 | void receive(const Setting &msg){ |
---|
543 | string what; |
---|
544 | string to; |
---|
545 | string from; |
---|
546 | vec value; |
---|
547 | RV *rv; |
---|
548 | |
---|
549 | UI::get(what, msg, "what", UI::compulsory); |
---|
550 | UI::get(to, msg, "to", UI::compulsory); |
---|
551 | UI::get(from, msg, "from"); |
---|
552 | UI::get(rv, msg, "rv"); |
---|
553 | UI::get(value, msg, "value"); |
---|
554 | |
---|
555 | if (what=="expected_times_request"){ |
---|
556 | requesters.push_back(from); |
---|
557 | } |
---|
558 | else if (what=="new_expected_cars") { |
---|
559 | rv_recieved_exps=*rv; |
---|
560 | recieved_exps=value; |
---|
561 | |
---|
562 | if (!passive) { |
---|
563 | planned_offset=find_best_offset(planned_offset,find_best_start); |
---|
564 | planned_offset=normalize_offset(planned_offset); |
---|
565 | } |
---|
566 | |
---|
567 | planned_rating=count_rating(planned_offset, recieved_exps, rv_recieved_exps); |
---|
568 | |
---|
569 | // we have new stable state to broadcast |
---|
570 | new_stable_state=true; |
---|
571 | } |
---|
572 | else if (what=="stable_state") { |
---|
573 | rv_recieved_exps=*rv; |
---|
574 | recieved_exps=value; |
---|
575 | |
---|
576 | planned_rating=count_rating(planned_offset, recieved_exps, rv_recieved_exps); |
---|
577 | |
---|
578 | if (!passive) { |
---|
579 | for (int i=0;i<neighbours.length();i++) { |
---|
580 | rv_change_request.add(RV(neighbours(i)+"_change",2)); |
---|
581 | change_request.set_size(rv_change_request._dsize()); |
---|
582 | ivec ind=RV(neighbours(i)+"_change",2).dataind(rv_change_request); |
---|
583 | |
---|
584 | // offset change |
---|
585 | change_request(ind(0))=find_best_exps(negot_offset,neighbours(i),rating_change); |
---|
586 | // rating change |
---|
587 | change_request(ind(1))=rating_change; |
---|
588 | } |
---|
589 | |
---|
590 | if (negot_offset>negot_limit) { |
---|
591 | negot_offset/=2; |
---|
592 | send_requests=true; |
---|
593 | } |
---|
594 | else { |
---|
595 | final_state=true; |
---|
596 | } |
---|
597 | } |
---|
598 | else { |
---|
599 | final_state=true; |
---|
600 | } |
---|
601 | } |
---|
602 | else if (what=="offset_change_request") { |
---|
603 | double final_rating_diff; |
---|
604 | |
---|
605 | planned_rating=count_rating(planned_offset, recieved_exps, rv_recieved_exps); |
---|
606 | |
---|
607 | rv_recieved_changes=*rv; |
---|
608 | recieved_changes=value; |
---|
609 | |
---|
610 | for (int i=0;i<rv_recieved_changes.length();i++) { |
---|
611 | ivec ind=RV(rv_recieved_changes.name(i),2).dataind(rv_recieved_changes); |
---|
612 | final_rating_diff=-planned_rating+count_rating(planned_offset+(int)recieved_changes(ind(0)), recieved_exps, rv_recieved_exps)+recieved_changes(ind(1)); |
---|
613 | |
---|
614 | if (final_rating_diff>=0) { |
---|
615 | planned_offset+=(int)recieved_changes(ind(0)); |
---|
616 | planned_offset=normalize_offset(planned_offset); |
---|
617 | planned_rating+=final_rating_diff; |
---|
618 | } |
---|
619 | } |
---|
620 | new_stable_state=true; |
---|
621 | } |
---|
622 | else { |
---|
623 | BaseTrafficAgent::receive(msg); |
---|
624 | } |
---|
625 | } |
---|
626 | |
---|
627 | void ds_register(const DS &ds) { |
---|
628 | BaseTrafficAgent::ds_register(ds); |
---|
629 | action2ds.set_connection( ds._urv(), rv_action); |
---|
630 | } |
---|
631 | |
---|
632 | void from_setting(const Setting &set) { |
---|
633 | RV rv_exp; |
---|
634 | |
---|
635 | BaseTrafficAgent::from_setting(set); |
---|
636 | |
---|
637 | total_offset=0; |
---|
638 | actual_time=0; |
---|
639 | negot_cycle=1; |
---|
640 | |
---|
641 | car_leaving_time=2; |
---|
642 | VP=40; |
---|
643 | |
---|
644 | cycle_count=5; |
---|
645 | |
---|
646 | negot_start=4; |
---|
647 | negot_limit=1; |
---|
648 | |
---|
649 | find_best_start=8; |
---|
650 | find_best_limit=2; |
---|
651 | |
---|
652 | passive=0; |
---|
653 | |
---|
654 | UI::get(last_offset, set, "offset", UI::compulsory); |
---|
655 | |
---|
656 | //optional reading parameters from config |
---|
657 | UI::get(passive, set, "passive", UI::optional); |
---|
658 | UI::get(car_leaving_time, set, "car_leaving_time", UI::optional); |
---|
659 | UI::get(VP, set, "VP", UI::optional); |
---|
660 | UI::get(cycle_count, set, "cycle_count", UI::optional); |
---|
661 | UI::get(negot_start, set, "negot_start", UI::optional); |
---|
662 | UI::get(negot_limit, set, "negot_limit", UI::optional); |
---|
663 | UI::get(find_best_start, set, "find_best_start", UI::optional); |
---|
664 | UI::get(find_best_limit, set, "find_best_limit", UI::optional); |
---|
665 | |
---|
666 | |
---|
667 | for (int i=0;i<lanes.length();i++) { |
---|
668 | for (int j=0;j<lanes(i).outputs.length();j++) { |
---|
669 | if (lanes(i).outputs(j)!="DUMMY_DET") { |
---|
670 | rv_exp=RV(lanes(i).outputs(j)+"-"+name+"_"+to_string(i),3); |
---|
671 | rv_outputs.add(rv_exp); |
---|
672 | } |
---|
673 | } |
---|
674 | } |
---|
675 | outputs.set_size(rv_outputs._dsize()); |
---|
676 | |
---|
677 | log_level[logoffset]=true; |
---|
678 | } |
---|
679 | |
---|
680 | void act(vec &glob_ut){ |
---|
681 | if (negot_cycle==cycle_count) { |
---|
682 | vec action; |
---|
683 | action.set_size(rv_action._dsize()); |
---|
684 | |
---|
685 | ivec index = RV(name+"_offset",1).dataind(rv_action); |
---|
686 | |
---|
687 | action(index(0))=normalize_offset(total_offset/cycle_count, false); |
---|
688 | action2ds.filldown(action,glob_ut); |
---|
689 | |
---|
690 | total_offset=0; |
---|
691 | negot_cycle=1; |
---|
692 | } |
---|
693 | else { |
---|
694 | total_offset+=planned_offset; |
---|
695 | negot_cycle++; |
---|
696 | } |
---|
697 | last_offset=planned_offset; |
---|
698 | } |
---|
699 | |
---|
700 | void step() { |
---|
701 | actual_time+=step_length; |
---|
702 | } |
---|
703 | |
---|
704 | void log_register(logger &l, const string &prefix){ |
---|
705 | if ( log_level[logoffset]){ |
---|
706 | l.add_vector ( log_level, logoffset, RV("a",2), "x"+prefix ); |
---|
707 | } |
---|
708 | } |
---|
709 | void log_write() const { |
---|
710 | if (log_level[logoffset]){ |
---|
711 | vec offset_vec(2); |
---|
712 | offset_vec(0)=planned_offset; |
---|
713 | offset_vec(1)=planned_rating; |
---|
714 | log_level.store(logoffset, offset_vec); |
---|
715 | } |
---|
716 | } |
---|
717 | }; |
---|
718 | UIREGISTER(GreenWaveTrafficAgent); |
---|