1 | /* |
---|
2 | */ |
---|
3 | |
---|
4 | /* Class definition */ |
---|
5 | #include "aimsun_ds.h" |
---|
6 | #include "tools.h" |
---|
7 | |
---|
8 | // TODO: reference additional headers your program requires here |
---|
9 | #include <process.h> |
---|
10 | #include <strsafe.h> |
---|
11 | #include <shlwapi.h> |
---|
12 | #include <io.h> |
---|
13 | |
---|
14 | //#include <atlbase.h> |
---|
15 | |
---|
16 | #define MAX_PATH_BYTES (MAX_PATH*sizeof(TCHAR)) |
---|
17 | #define MAX_EXE_BYTES (MAX_EXE_PATH*sizeof(TCHAR)) |
---|
18 | |
---|
19 | /* Contoller list is hardwired for Aimsun scenario `zlicin_495_601.sce` */ |
---|
20 | #define NUM_CONTROLLERS 2 |
---|
21 | const TCHAR * ControllerList[NUM_CONTROLLERS] = { TEXT("K_5_495"), TEXT("K_5_601") }; |
---|
22 | const TCHAR * WindowStr[NUM_CONTROLLERS] = { TEXT("els3@5.495"), TEXT("els3@5.601") }; |
---|
23 | const int IntersectionIDs[] = { 495, 601 }; |
---|
24 | const int NumLanes[] = { 6, 6 }; |
---|
25 | const int NumIntersections = sizeof ( IntersectionIDs )/sizeof(int); |
---|
26 | |
---|
27 | /* Entrance sections are hardwired for Aimsun scenario `zlicin_495_601.sce` */ |
---|
28 | const int EntranceSections[] = { 1, 42, 45, 287, 26 }; |
---|
29 | const int NumEntranceSections = sizeof(EntranceSections)/sizeof(int); |
---|
30 | |
---|
31 | /* Identifiers of sections that Aimsun shall collect statistics for are also |
---|
32 | hardwired for the scenario `zlicin_495_601.sce`. */ |
---|
33 | const int StatIds[] = { |
---|
34 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, |
---|
35 | 26, 27, 35, 28, 29, 30, 31, 32, 33, 34, 39, 36, 37, 38, 21, 22, 23, 24, 25, 40, |
---|
36 | 42, 43, 44, 45, 49, 46, 47, 50, 51, 287, 288, 54, 55, 56, 57, 58, 59, 60, 61, |
---|
37 | 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 }; |
---|
38 | const int NumStatIds = sizeof(StatIds)/sizeof(int); |
---|
39 | |
---|
40 | const int LaneQueuesSectIds[] = { |
---|
41 | 1, 2, 3, 6, 7, // 495_QA |
---|
42 | 3, 4, 5, // 495_QB |
---|
43 | 35, 28, 32, 33, 34, // 495_QC |
---|
44 | 26, 27, 35, 28, 29, 30, 31, // 495_QD |
---|
45 | 16, 17, 18, 19, 20, 14, 15, // 495_QE |
---|
46 | 16, 17, 18, 19, 20, 12, 13, // 495_QF |
---|
47 | 21, 22, 23, 24, 25, 40, 21, 22, 23, 24, 25, 40, // 601_QA |
---|
48 | 43, 44, 43, 44, 42, // 601_QB (bus terminal) |
---|
49 | 45, 49, 50, // 601_QC |
---|
50 | 45, 49, 51, // 601_QD |
---|
51 | 61, 62, 63, 64, 65, // 601_QE |
---|
52 | 287,288,54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65 // 601_QSE |
---|
53 | }; |
---|
54 | const int NumLaneQueuesSectIds = sizeof(LaneQueuesSectIds)/sizeof(int); |
---|
55 | const int LaneQueuesLaneIds[] = { |
---|
56 | 1, 1, 2, 1, 1, // 495_QA |
---|
57 | 1, 1, 1, // 495_QB |
---|
58 | 2, 2, 1, 1, 1, // 495_QC |
---|
59 | 1, 1, 1, 1, 1, 1, 1, // 495_QD |
---|
60 | 2, 2, 2, 2, 2, 1, 1, // 495_QE |
---|
61 | 1, 1, 1, 1, 1, 1, 1, // 495_QF |
---|
62 | 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, // 601_QA |
---|
63 | 2, 2, 1, 1, 1, // 601_QB (bus terminal) |
---|
64 | 1, 1, 1, // 601_QC |
---|
65 | 2, 2, 1, // 601_QD |
---|
66 | 2, 2, 2, 2, 2, // 601_QE |
---|
67 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // 601_QSE |
---|
68 | }; |
---|
69 | |
---|
70 | /* This array contains offsets of particular lanes stored in LaneQueuesSectIds, |
---|
71 | plus the would-be offset of the next non-existent lane (this is used to |
---|
72 | set the limits of the index when extracting statistical data from the |
---|
73 | section_stats structure). */ |
---|
74 | int LaneQueueOffsets[] = { |
---|
75 | 0, 5, 8, 13, 20, 27, |
---|
76 | 34, 46, 51, 54, 57, 62, NumLaneQueuesSectIds }; |
---|
77 | |
---|
78 | /* The position of the statistics is given by the indices in the StatIds |
---|
79 | array. In order to parse the statistics correctly we have to create |
---|
80 | a copy of LaneQueuesSectIds holding indices to the StatIds array instead |
---|
81 | of the original section ids. */ |
---|
82 | int * LaneQueuesStatPos; |
---|
83 | |
---|
84 | const TCHAR * PatternsELS3[] = { TEXT("GetramELS3.dll"), TEXT("GetramELS3d.dll") }; |
---|
85 | const TCHAR * PatternsVGS[] = { TEXT("GetramVGS.dll"), TEXT("GetramVGSd.dll") }; |
---|
86 | |
---|
87 | /* Offsets of `dt` components (dt is the vector returned by AimsunDS, it contains composite |
---|
88 | values of all measurements for all intersections in the system). */ |
---|
89 | const int SignalPlanOffsets[] = { 0, 42 }; |
---|
90 | const int QueueLengthOffsets[] = { 6, 48 }; |
---|
91 | const int MeasurementOffsets[] = { 12, 54 }; |
---|
92 | |
---|
93 | AimsunDS::AimsunDS () : DS() |
---|
94 | { |
---|
95 | /* Description of the channels of the data vector. */ |
---|
96 | Drv = RV ( "{" |
---|
97 | "495_VA 495_VB 495_VC 495_VD 495_VE 495_VF " |
---|
98 | "495_QA 495_QB 495_QC 495_QD 495_QE 495_QF " |
---|
99 | "495_DVA 495_DVB 495_DVA1 495_DVB1 495_DVC 495_DVD 495_DVE 495_DVF 495_DVF1 " |
---|
100 | "495_S1 495_S2 495_S3 495_S4 495_S5 495_S5a " |
---|
101 | "601_VA 601_VB 601_VC 601_VD 601_VE 601_SE " |
---|
102 | "601_QA 601_QB 601_QC 601_QD 601_QE 601_QSE " |
---|
103 | "601_DVA 601_DVAa 601_DVB 601_DVBa 601_DVB1 601_DVC 601_DVD 601_DVD1 601_DSE 601_DVE 601_DSE1 601_DVE1 " |
---|
104 | "601_S6 601_S6a 601_S7 601_S8 601_S9 601_S9a " |
---|
105 | "}", |
---|
106 | " 1, 1, 1, 1, 1, 1, " |
---|
107 | " 1, 1, 1, 1, 1, 1, " |
---|
108 | " 2, 2, 2, 2, 2, 2, 2, 2, 2," |
---|
109 | " 2, 2, 2, 2, 2, 2," |
---|
110 | " 1, 1, 1, 1, 1, 1, " |
---|
111 | " 1, 1, 1, 1, 1, 1, " |
---|
112 | " 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2," |
---|
113 | " 2, 2, 2, 2, 2, 2" |
---|
114 | ); |
---|
115 | /* Remember the size of the data vector. */ |
---|
116 | dtsize = Drv._dsize(); |
---|
117 | |
---|
118 | /* Description of the channels of the input vector. */ |
---|
119 | Urv = RV ( "{" |
---|
120 | "Tc " |
---|
121 | "495_offset " |
---|
122 | "495_VA 495_VB 495_VC 495_VD 495_VE 495_VF " |
---|
123 | "601_offset " |
---|
124 | "601_VA 601_VB 601_VC 601_VD 601_VE 601_SE " |
---|
125 | "}" ); |
---|
126 | /* Remember the size of the input vector. */ |
---|
127 | utsize = Urv._dsize(); |
---|
128 | |
---|
129 | /* Initialise the pointer to received data. */ |
---|
130 | p_rsp = NULL; |
---|
131 | } |
---|
132 | |
---|
133 | void AimsunDS::from_setting ( const Setting &cfg ) |
---|
134 | { |
---|
135 | /* Check the `stop time` field in configuration. */ |
---|
136 | UI::get ( stopTime, cfg, "stop_time" ); |
---|
137 | |
---|
138 | /* Query the configuration file for the name of the file containsing |
---|
139 | vehicle entrances. */ |
---|
140 | UI::get ( entranceFileName, cfg, "entrances" ); |
---|
141 | } |
---|
142 | |
---|
143 | void AimsunDS::validate () |
---|
144 | { |
---|
145 | HKEY hKey; |
---|
146 | TCHAR szBasePath[MAX_PATH]; /**< Base path of the whole application, root of the tree. */ |
---|
147 | TCHAR szDllPath[MAX_PATH]; /**< Directory where all DLLs reside. Will be added to PATH. */ |
---|
148 | TCHAR szSceDllPath[MAX_PATH]; /**< Temporary storage for DLL path rewritten in the scenario file. */ |
---|
149 | TCHAR szSceDir[MAX_PATH]; /**< Directory of the simulated scenario. */ |
---|
150 | TCHAR szScePath[MAX_PATH]; /**< Full path to the Aimsun scenario file. The file resides in `szSceDir`. */ |
---|
151 | TCHAR szScePathA[MAX_PATH]; |
---|
152 | TCHAR szScePathB[MAX_PATH]; |
---|
153 | TCHAR szScePathC[MAX_PATH]; |
---|
154 | TCHAR szNetPath[MAX_PATH]; |
---|
155 | TCHAR szHomeDir[MAX_PATH]; /**< Installation directory of Aimsun 4.2.x */ |
---|
156 | TCHAR szELS3Path[MAX_PATH]; /**< Full path of the simulator of ELS3 controller. */ |
---|
157 | TCHAR szExePath[MAX_EXE_PATH]; /**< Command line when staring ELS3 controllers. */ |
---|
158 | TCHAR szEntrancePath[MAX_PATH]; /**< Points to the CSV file with vehicle entrances for the simulation. */ |
---|
159 | DWORD dwBufLen = MAX_PATH_BYTES; |
---|
160 | LONG res; |
---|
161 | |
---|
162 | intptr_t hPid; |
---|
163 | |
---|
164 | int verIndex = 1; //@TODO@: 0 is for release, 1 for debug build of the DLL libraries. |
---|
165 | |
---|
166 | /* The root directory of the simulator tree is defined externally |
---|
167 | in "CMakeLists.txt". */ |
---|
168 | StringCbCopy ( szBasePath, MAX_PATH_BYTES, BASE_PATH ); |
---|
169 | |
---|
170 | /* Create the path to DLL directory. The path is defined externally |
---|
171 | in "CMakeLists.txt". |
---|
172 | The path will be used to inject the appropriate location of |
---|
173 | Getram extensions into the selected Aimsun scenario and also |
---|
174 | to modify PATH variable of executed processes in order to |
---|
175 | provide access to API DLLs. */ |
---|
176 | StringCbCopy ( szDllPath, MAX_PATH_BYTES, DLL_PATH ); |
---|
177 | |
---|
178 | /* Add the DLL directory to the PATH used by this process. |
---|
179 | The PATH will be passed to all other processes started |
---|
180 | by this one and hence they will be able to find API |
---|
181 | DLLs. */ |
---|
182 | _addpath ( szDllPath ); |
---|
183 | |
---|
184 | #ifdef LATER_OR_NEVER |
---|
185 | GetPrivateProfileString ( |
---|
186 | TEXT("paths"), |
---|
187 | TEXT("base"), |
---|
188 | NULL, |
---|
189 | szBasePath, |
---|
190 | MAX_PATH, |
---|
191 | TEXT(".\\simulate.ini") |
---|
192 | ); |
---|
193 | #endif |
---|
194 | |
---|
195 | /* Find the location of Aimsun executable. It is stored in registry tree as |
---|
196 | \\HKEY_LOCAL_MACHINE\SOFTWARE\TSS-Transport Simulation Systems\GETRAM\4.2.0 */ |
---|
197 | res = RegOpenKeyEx ( |
---|
198 | HKEY_LOCAL_MACHINE, |
---|
199 | TEXT("SOFTWARE\\TSS-Transport Simulation Systems\\GETRAM\\4.2.0"), |
---|
200 | 0, |
---|
201 | KEY_QUERY_VALUE, |
---|
202 | &hKey |
---|
203 | ); |
---|
204 | if ( res != ERROR_SUCCESS ) |
---|
205 | { |
---|
206 | perror ( "Cannot get handle to Aimsun registry entry" ); |
---|
207 | return; |
---|
208 | } |
---|
209 | |
---|
210 | /* The executable location is `HomeDir` key. */ |
---|
211 | res = RegQueryValueEx ( |
---|
212 | hKey, |
---|
213 | TEXT("HomeDir"), |
---|
214 | NULL, NULL, |
---|
215 | (LPBYTE) szHomeDir, |
---|
216 | &dwBufLen |
---|
217 | ); |
---|
218 | RegCloseKey( hKey ); |
---|
219 | if (( res != ERROR_SUCCESS ) || ( dwBufLen > MAX_PATH_BYTES )) |
---|
220 | { |
---|
221 | perror ( "Cannot read the Aimsun home directory from registry" ); |
---|
222 | return; |
---|
223 | } |
---|
224 | |
---|
225 | /* Concatenate the home path with the executable name. */ |
---|
226 | StringCbCat ( szHomeDir, MAX_PATH_BYTES, TEXT("\\aimsun42.exe") ); |
---|
227 | |
---|
228 | /* Create the version of home path including the quotation marks. */ |
---|
229 | StringCbCopy ( szExePath, MAX_EXE_PATH, TEXT("\"") ); |
---|
230 | StringCbCat ( szExePath, MAX_EXE_PATH, szHomeDir ); |
---|
231 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("\"") ); |
---|
232 | |
---|
233 | /* Create the path to ELS3 executable. */ |
---|
234 | StringCbCopy ( szELS3Path, MAX_PATH_BYTES, TEXT("\"") ); |
---|
235 | StringCbCat ( szELS3Path, MAX_PATH_BYTES, szBasePath ); |
---|
236 | StringCbCat ( szELS3Path, MAX_PATH_BYTES, TEXT("\\els3\\els3sample.exe\"") ); |
---|
237 | |
---|
238 | /* Aimsun scenario modification. |
---|
239 | We have to take care of items that are specified by absolute |
---|
240 | paths in the scenario file. These items include: |
---|
241 | - network path (section #NETWORK), |
---|
242 | - ELS3 Getram extension DLL (section #EXTENSIONS), |
---|
243 | - VGS Getram extension DLL (section #EXTENSIONS). |
---|
244 | |
---|
245 | We will start with constructing the new network path.*/ |
---|
246 | StringCbCopy ( szSceDir, MAX_EXE_PATH, szBasePath ); |
---|
247 | StringCbCat ( szSceDir, MAX_EXE_PATH, TEXT("\\scenarios\\zlicin_495_601") ); |
---|
248 | StringCbCopy ( szNetPath, MAX_EXE_PATH, szSceDir ); |
---|
249 | StringCbCat ( szNetPath, MAX_EXE_PATH, TEXT("\\zlicin_495_601") ); |
---|
250 | |
---|
251 | /* Our convention is that the scenario file name corresponds |
---|
252 | to the network path name. */ |
---|
253 | StringCbCopy ( szScePath, MAX_EXE_PATH, szNetPath ); |
---|
254 | StringCbCat ( szScePath, MAX_EXE_PATH, TEXT(".sce") ); |
---|
255 | |
---|
256 | /* First modification step: Replace the location of ELS3 Getram |
---|
257 | extension. |
---|
258 | Start with constructing full path to the extension DLL.*/ |
---|
259 | StringCbCopy ( szSceDllPath, MAX_EXE_PATH, szDllPath ); |
---|
260 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, TEXT("\\") ); |
---|
261 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, PatternsELS3[verIndex] ); |
---|
262 | /* We are not allowed to modify scenario in place (it is part |
---|
263 | of SVN snapshot and we do not want our local changes to |
---|
264 | propagate to the trunk with every commit). Therefore we |
---|
265 | need an alternative scenario name that will be constructed |
---|
266 | now. */ |
---|
267 | StringCbCopy ( szScePathA, MAX_EXE_PATH, szScePath ); |
---|
268 | StringCbCat ( szScePathA, MAX_EXE_PATH, TEXT(".a") ); |
---|
269 | /* And do the replacements. */ |
---|
270 | replace_in_scenario ( |
---|
271 | szScePath, szScePathA, |
---|
272 | TEXT("#EXTENSIONS"), |
---|
273 | PatternsELS3, |
---|
274 | 2, |
---|
275 | szSceDllPath |
---|
276 | ); |
---|
277 | |
---|
278 | /* Second modification step. |
---|
279 | Replace the location of VGS Getram extension. */ |
---|
280 | StringCbCopy ( szSceDllPath, MAX_EXE_PATH, szDllPath ); |
---|
281 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, TEXT("\\") ); |
---|
282 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, PatternsVGS[verIndex] ); |
---|
283 | StringCbCopy ( szScePathB, MAX_EXE_PATH, szScePath ); |
---|
284 | StringCbCat ( szScePathB, MAX_EXE_PATH, TEXT(".b") ); |
---|
285 | replace_in_scenario ( |
---|
286 | szScePathA, szScePathB, |
---|
287 | TEXT("#EXTENSIONS"), |
---|
288 | PatternsVGS, |
---|
289 | 2, |
---|
290 | szSceDllPath |
---|
291 | ); |
---|
292 | |
---|
293 | const TCHAR * pattern_net[] = { TEXT("zlicin_495_601") }; |
---|
294 | |
---|
295 | /* Third modification step. |
---|
296 | Replace the network path. */ |
---|
297 | StringCbCopy ( szScePathC, MAX_EXE_PATH, szScePath ); |
---|
298 | StringCbCat ( szScePathC, MAX_EXE_PATH, TEXT(".c") ); |
---|
299 | replace_in_scenario ( |
---|
300 | szScePathB, szScePathC, |
---|
301 | TEXT("#NETWORK"), |
---|
302 | pattern_net, |
---|
303 | 1, |
---|
304 | szNetPath |
---|
305 | ); |
---|
306 | |
---|
307 | /* Fourth modification step. |
---|
308 | Replace the `stop time` field of RunTime information. */ |
---|
309 | replace_stoptime ( |
---|
310 | szNetPath, |
---|
311 | stopTime.c_str() |
---|
312 | ); |
---|
313 | |
---|
314 | //??? |
---|
315 | //StringCbCat ( szScePath, MAX_EXE_PATH, TEXT("\"") ); |
---|
316 | //StringCbCat ( szScePath, MAX_EXE_PATH, TEXT("\"") ); |
---|
317 | |
---|
318 | /* Spawn the process. */ |
---|
319 | hPid = _tspawnl ( |
---|
320 | _P_NOWAIT, |
---|
321 | szHomeDir, |
---|
322 | szExePath, |
---|
323 | TEXT("-run"), |
---|
324 | szScePathC, |
---|
325 | NULL |
---|
326 | ); |
---|
327 | |
---|
328 | if ( hPid < 0 ) |
---|
329 | { |
---|
330 | perror ( "Cannot start Aimsun by _spawnl()" ); |
---|
331 | return; |
---|
332 | } |
---|
333 | |
---|
334 | /* Now that Aimsun is running, we need to start also the controllers. */ |
---|
335 | for ( int c = 0 ; c < NUM_CONTROLLERS ; c++ ) |
---|
336 | { |
---|
337 | TCHAR szELS3Config[MAX_PATH]; |
---|
338 | szELS3Config[0] = 0; |
---|
339 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT("\"") ); |
---|
340 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, szBasePath ); |
---|
341 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT("\\els3\\configs\\") ); |
---|
342 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, ControllerList[c] ); |
---|
343 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT(".ini\"") ); |
---|
344 | |
---|
345 | /* Create the command line for the controller. */ |
---|
346 | szExePath[0] = 0; |
---|
347 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("start \"") ); |
---|
348 | StringCbCat ( szExePath, MAX_EXE_PATH, WindowStr[c] ); |
---|
349 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("\" ") ); |
---|
350 | StringCbCat ( szExePath, MAX_EXE_PATH, szELS3Path ); |
---|
351 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -a") ); |
---|
352 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -l frm,det,spl") ); |
---|
353 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -c 12.12.2007 00:00:00") ); |
---|
354 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -f ") ); |
---|
355 | StringCbCat ( szExePath, MAX_EXE_PATH, szELS3Config ); |
---|
356 | |
---|
357 | /* Spawn the process. */ |
---|
358 | _tsystem ( szExePath ); |
---|
359 | } |
---|
360 | |
---|
361 | /* Aaaaggggrrrrrhhhh! |
---|
362 | C++ is much much faster than Matlab and we have a synchronisation |
---|
363 | issue with els3 controllers starting too late. */ |
---|
364 | Sleep ( 5000 ); |
---|
365 | |
---|
366 | |
---|
367 | /* Prepare full path for vehicle input data. */ |
---|
368 | StringCbCopy ( szEntrancePath, MAX_EXE_PATH, szSceDir ); |
---|
369 | StringCbCat ( szEntrancePath, MAX_EXE_PATH, TEXT("\\") ); |
---|
370 | StringCbCat ( szEntrancePath, MAX_EXE_PATH, entranceFileName.c_str() ); |
---|
371 | |
---|
372 | /* Initialise and start the vehicle input. |
---|
373 | The function call refers to delay-loaded DLL, so expect possible |
---|
374 | complainst in case that the DLL canot be found in PATH. */ |
---|
375 | initVGS ( |
---|
376 | HEADWAY_UNIFORM, |
---|
377 | szEntrancePath, |
---|
378 | TEXT("sect_stats.csv"), |
---|
379 | TEXT("glob_stats.csv") |
---|
380 | ); |
---|
381 | |
---|
382 | /* Create LaneQueuesStatPos holding indices to the statistical data for the |
---|
383 | sections listed in LaneQueuesSectIds in the same order. */ |
---|
384 | LaneQueuesStatPos = (int *) calloc ( NumLaneQueuesSectIds, sizeof(int)); |
---|
385 | for ( int i=0 ; i < NumLaneQueuesSectIds ; i++ ) |
---|
386 | { |
---|
387 | int p = _search_index ( StatIds, NumStatIds, LaneQueuesSectIds[i] ); |
---|
388 | if ( p >= 0 ) |
---|
389 | { |
---|
390 | LaneQueuesStatPos[i] = p; |
---|
391 | } |
---|
392 | else |
---|
393 | { |
---|
394 | fprintf ( stderr, "Cannot find index LaneQueuesStatIds[%d]=%d in StatIds!\n", |
---|
395 | i, LaneQueuesSectIds[i] ); |
---|
396 | exit(1); |
---|
397 | } |
---|
398 | } |
---|
399 | |
---|
400 | } |
---|
401 | |
---|
402 | void AimsunDS::initVGS ( |
---|
403 | const vgs_headway_mode headway, |
---|
404 | const string &entrancePath, |
---|
405 | const string §ionStatsPath, |
---|
406 | const string &globalStatsPath |
---|
407 | ) |
---|
408 | { |
---|
409 | int res; |
---|
410 | |
---|
411 | /* Allocate space for the section statistics. |
---|
412 | TODO: This is ugly. This should be part of VGS API. */ |
---|
413 | sections_stats.queues = (int*) calloc ( MAX_SECTS*MAX_LANES, sizeof(int) ); |
---|
414 | sections_stats.stats = (vgs_se_stat_entry*) calloc ( MAX_SECTS, sizeof(vgs_se_stat_entry) ); |
---|
415 | |
---|
416 | /* Pass information about entrance sections to VGS API (and so to the |
---|
417 | GetramVGS extension that will be generating vehicles for these |
---|
418 | entrances). */ |
---|
419 | vgs_set_entrance_sections ( EntranceSections, NumEntranceSections ); |
---|
420 | |
---|
421 | /* Check the validity of the headway mode. */ |
---|
422 | res = vgs_is_valid_headway_mode ( headway ); |
---|
423 | if ( !res ) |
---|
424 | { |
---|
425 | fprintf ( stderr, "Invalid headway mode '%d'\n", headway ); |
---|
426 | exit ( -1 ); |
---|
427 | } |
---|
428 | |
---|
429 | /* Specify where to find the CSV with vehicle entrances and which |
---|
430 | headway mode to use for generating vehicle flows. */ |
---|
431 | vgs_generate_vehicles ( entrancePath.c_str(), headway ); |
---|
432 | |
---|
433 | /* Pass to VGS API information about section identifiers we want to |
---|
434 | collect statistics for (and VGS will pass it to the GetramVGS |
---|
435 | extension). */ |
---|
436 | vgs_set_stats_sections ( StatIds, NumStatIds ); |
---|
437 | |
---|
438 | /* Specify where to store CSV files with statistical data. */ |
---|
439 | vgs_set_stats_file_names ( sectionStatsPath.c_str(), globalStatsPath.c_str() ); |
---|
440 | |
---|
441 | /* Specify the maximum queuing speed in kmph. */ |
---|
442 | vgs_set_max_qspeed ( 3.6f ); |
---|
443 | |
---|
444 | /* Unlock the semaphore blocking Aimsun from execution. */ |
---|
445 | vgs_unlock_aimsun(); |
---|
446 | } |
---|
447 | |
---|
448 | void AimsunDS::getdata ( vec &dt ) const |
---|
449 | { |
---|
450 | /* Return the last data. */ |
---|
451 | printf ( "\n\tAimsunDS::getdata() starting\n" ); |
---|
452 | |
---|
453 | if ( p_rsp == NULL ) |
---|
454 | { |
---|
455 | fprintf ( stderr, "ERROR: AimsunDS::getdata() - no data available yet!\n" ); |
---|
456 | return; |
---|
457 | } |
---|
458 | |
---|
459 | /* Loop over all controllers in the measurement set. */ |
---|
460 | for ( int i = 0; i < p_rsp->count; i++) |
---|
461 | { |
---|
462 | det_stats * ds_ptr = p_rsp->dets + i; |
---|
463 | sp_stats * sp_ptr = p_rsp->sps + i; |
---|
464 | |
---|
465 | printf ( "\tRealised signal plans:\n" ); |
---|
466 | |
---|
467 | /* Loop over all measurement sets. We will deliver just |
---|
468 | the last one. */ |
---|
469 | for ( int j = 0; j < sp_ptr->count ; j++ ) |
---|
470 | { |
---|
471 | sp_stattab * dat_ptr = sp_ptr->splans + j; |
---|
472 | int pos = _search_index ( IntersectionIDs, NumIntersections, dat_ptr->its_id ); |
---|
473 | int offset = SignalPlanOffsets[pos]; |
---|
474 | |
---|
475 | printf ( "\t[%3d] t=%6ds ", j, dat_ptr->global_time ); |
---|
476 | |
---|
477 | /* Copy particular signals. */ |
---|
478 | for ( int k = 0 ; k < dat_ptr->num_siggroups ; k++ ) |
---|
479 | { |
---|
480 | dt[k+offset] = dat_ptr->green_time[k]; |
---|
481 | printf ( "%3d ", dat_ptr->green_time[k] ); |
---|
482 | } |
---|
483 | printf ( "\n" ); |
---|
484 | } |
---|
485 | |
---|
486 | printf ( "\tDetector data:\n" ); |
---|
487 | |
---|
488 | /* Loop over all mesurement records with intensities and |
---|
489 | occupancies. */ |
---|
490 | for ( int j = 0 ; j < ds_ptr->count ; j++ ) |
---|
491 | { |
---|
492 | det_aggreg_table * dat_ptr = ds_ptr->stats + j; |
---|
493 | int pos = _search_index ( IntersectionIDs, NumIntersections, dat_ptr->its_id ); |
---|
494 | int moffset = MeasurementOffsets[pos]; |
---|
495 | |
---|
496 | printf ( "\t[%3d] t=%6ds ", j, dat_ptr->global_time ); |
---|
497 | |
---|
498 | for ( int k = 0 ; k < dat_ptr->num_det ; k++ ) |
---|
499 | { |
---|
500 | dt[2*k+moffset] = dat_ptr->dt_intensity[k]; |
---|
501 | dt[2*k+moffset+1] = dat_ptr->dt_occupancy[k]; |
---|
502 | printf ( "{%2d/%2d} ", |
---|
503 | dat_ptr->dt_intensity[k], dat_ptr->dt_occupancy[k] ); |
---|
504 | } |
---|
505 | printf ( "\n\n" ); |
---|
506 | } |
---|
507 | } |
---|
508 | |
---|
509 | /* Loop over the statistical data. We will extract the queue length for |
---|
510 | every intersection and store it into the data vector. */ |
---|
511 | int oLanes = 0; // lane offset for the actual intersection |
---|
512 | int oLpos = 0; |
---|
513 | for ( int i = 0 ; i < NumIntersections ; i++ ) |
---|
514 | { |
---|
515 | /* Every intersection has a certain number of lanes that (roughly) |
---|
516 | correspond to the number of signal groups. */ |
---|
517 | int nLanes = NumLanes[i]; |
---|
518 | int qoffset = QueueLengthOffsets[i]; |
---|
519 | for ( int j = 0 ; j < nLanes ; j++ ) |
---|
520 | { |
---|
521 | /* Initial queue length for this lane is zero. */ |
---|
522 | int qLen = 0; |
---|
523 | /* Every lane has one or more section identifiers at certain |
---|
524 | positions in LaneQueuesStatIds. The sequence of lanes |
---|
525 | is given by offsets in LaneQueueOffsets, the position of |
---|
526 | the statistical information is stored in LaneQueuesStatPos. */ |
---|
527 | for ( int k = oLpos ; k < LaneQueueOffsets[oLanes+j+1] ; k++ ) |
---|
528 | { |
---|
529 | /* Get the index into statistical information records. */ |
---|
530 | int pi = LaneQueuesStatPos[k]; |
---|
531 | int pl = LaneQueuesLaneIds[k]-1; // indices are not zero-based |
---|
532 | /* Now query the last queue length (section with more than |
---|
533 | one lane holds several queue lengths) and add it to the |
---|
534 | acumulated queue length value. */ |
---|
535 | qLen += sections_stats.queues[pi*sections_stats.max_lanes+pl]; |
---|
536 | } |
---|
537 | /* Move the lane position offset. */ |
---|
538 | oLpos = LaneQueueOffsets[oLanes+j+1]; |
---|
539 | /* Update the data vector. */ |
---|
540 | dt[qoffset+j] = qLen; |
---|
541 | } |
---|
542 | oLanes = oLanes + nLanes; |
---|
543 | } |
---|
544 | |
---|
545 | printf ( "\tAimsunDS::getdata() finished\n" ); |
---|
546 | cout << dt ; |
---|
547 | } |
---|
548 | |
---|
549 | |
---|
550 | void AimsunDS::write ( vec &ut ) |
---|
551 | { |
---|
552 | eh_res sp_res; /* Result code from write operation. */ |
---|
553 | eh_hrdels3 hrdsp[2]; /* Signal plan for two intersections. */ |
---|
554 | |
---|
555 | /* Check that the length of the vector is correct. */ |
---|
556 | if ( ut.size() != utsize ) |
---|
557 | { |
---|
558 | fprintf ( stderr, "Incorrect length of data vector (should be %d)", utsize ); |
---|
559 | exit(-1); |
---|
560 | } |
---|
561 | /* Check that the phase lengths sum to correct cycle time. */ |
---|
562 | /* |
---|
563 | if ( ut[0]+ut[1]+ut[2] != 80 ) |
---|
564 | { |
---|
565 | fprintf ( stderr, "Intersection 495: F1+F2+F3 != Tc (should be 80)" ); |
---|
566 | exit(-1); |
---|
567 | } |
---|
568 | if ( ut[3]+ut[4]+ut[5] != 80 ) |
---|
569 | { |
---|
570 | fprintf ( stderr, "Intersection 601: F1+F2+F3 != Tc (should be 80)" ); |
---|
571 | exit(-1); |
---|
572 | }*/ |
---|
573 | |
---|
574 | hrdsp[0].id = 495; |
---|
575 | hrdsp[0].sp.cycle_time = int ( ut[0] ); |
---|
576 | hrdsp[0].sp.offset = int ( ut[1] ); |
---|
577 | hrdsp[0].sp.phase_len[0] = int ( ut[2] ); |
---|
578 | hrdsp[0].sp.phase_len[1] = int ( ut[3] ); |
---|
579 | hrdsp[0].sp.phase_len[2] = int ( ut[4] ); |
---|
580 | hrdsp[0].sp.phase_len[3] = -1; |
---|
581 | |
---|
582 | hrdsp[1].id = 601; |
---|
583 | hrdsp[1].sp.cycle_time = int ( ut[ 0] ); |
---|
584 | hrdsp[1].sp.offset = int ( ut[ 8] ); |
---|
585 | hrdsp[1].sp.phase_len[0] = int ( ut[ 9] ); |
---|
586 | hrdsp[1].sp.phase_len[1] = int ( ut[10] ); |
---|
587 | hrdsp[1].sp.phase_len[2] = int ( ut[11] ); |
---|
588 | hrdsp[1].sp.phase_len[3] = -1; |
---|
589 | |
---|
590 | /* Write new signal plan to the shared memory of active controllers. */ |
---|
591 | sp_res = eh_write_hrd_data( hrdsp, 2 ); |
---|
592 | |
---|
593 | if ( sp_res != EH_RES_OK ) |
---|
594 | { |
---|
595 | printf ( "eh_write_hrd_data(): " ); |
---|
596 | if ( sp_res == EH_RES_WCNT ) |
---|
597 | { |
---|
598 | printf ( "Wrong count of ELS3...\n" ); |
---|
599 | } |
---|
600 | else if ( sp_res == EH_RES_WRID ) |
---|
601 | { |
---|
602 | printf ( "Wrong intersection ID...\n" ); |
---|
603 | } |
---|
604 | else |
---|
605 | { |
---|
606 | printf ( "Unknown error [%d] ...\n", sp_res ); |
---|
607 | } |
---|
608 | } |
---|
609 | } |
---|
610 | |
---|
611 | |
---|
612 | void AimsunDS::step() |
---|
613 | { |
---|
614 | eh_wres wsp_res; /* Result code of the wait operation. */ |
---|
615 | int count; /* Count of measurement sets. */ |
---|
616 | |
---|
617 | /* Wait for 100 seconds until data from all ELS3 controllers arrive. */ |
---|
618 | wsp_res = eh_wait_on_rsp_complete( 100000 ); |
---|
619 | |
---|
620 | if ( wsp_res != EH_WRES_OK ) |
---|
621 | { |
---|
622 | printf ( "eh_wait_on_rsp_complete(): " ); |
---|
623 | |
---|
624 | if ( wsp_res == EH_WRES_TIMEOUT ) |
---|
625 | { |
---|
626 | printf ( "Timeout elapsed ...\n" ); |
---|
627 | } |
---|
628 | else if ( wsp_res == EH_WRES_EXIT ) |
---|
629 | { |
---|
630 | printf ( "Some ELS3 has exited ...\n" ); |
---|
631 | } |
---|
632 | else |
---|
633 | { |
---|
634 | printf ( "Unknown error [%d] ...\n", wsp_res ); |
---|
635 | } |
---|
636 | exit(-1); |
---|
637 | } |
---|
638 | |
---|
639 | /* This will copy the detector data out. It is needed by the |
---|
640 | Matlab HRDS version due to its internal structure - realised |
---|
641 | signal plans are read asynchronously and later. The value |
---|
642 | of `count` reports the number of data sets that will be |
---|
643 | returned by the call to `eh_read_realised_sp()`. This coount |
---|
644 | will be at least 1 but it may be higher in cases where the |
---|
645 | controller reports measurements in short intervals but we are |
---|
646 | reading them less frequently. */ |
---|
647 | count = eh_copy_out_measurements (); |
---|
648 | |
---|
649 | printf ( "got %d measurements from controllers ...", count ); |
---|
650 | |
---|
651 | /* Read realised signal plan from shared memory. */ |
---|
652 | if ( eh_read_realised_sp( &p_rsp ) == EH_RES_OK ) |
---|
653 | { |
---|
654 | printf("\nsuccesfully read data from controllers\n" ); |
---|
655 | } |
---|
656 | else |
---|
657 | { |
---|
658 | printf(" but got no data ???\n"); |
---|
659 | } |
---|
660 | |
---|
661 | /* Finally we will also read the last statistical information |
---|
662 | from the VGS interface. */ |
---|
663 | vgs_get_last_stats ( §ions_stats ); |
---|
664 | } |
---|