1 | /* |
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2 | */ |
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3 | |
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4 | /* Class definition */ |
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5 | #include "aimsun_ds.h" |
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6 | #include "tools.h" |
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7 | |
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8 | // TODO: reference additional headers your program requires here |
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9 | #include <process.h> |
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10 | #include <strsafe.h> |
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11 | #include <shlwapi.h> |
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12 | #include <io.h> |
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13 | |
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14 | //#include <atlbase.h> |
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15 | |
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16 | #define MAX_PATH_BYTES (MAX_PATH*sizeof(TCHAR)) |
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17 | #define MAX_EXE_BYTES (MAX_EXE_PATH*sizeof(TCHAR)) |
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18 | |
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19 | /* Contoller list is hardwired for Aimsun scenario `zlicin_495_601.sce` */ |
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20 | #define NUM_CONTROLLERS 2 |
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21 | const TCHAR * ControllerList[NUM_CONTROLLERS] = { TEXT("K_5_495"), TEXT("K_5_601") }; |
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22 | const TCHAR * WindowStr[NUM_CONTROLLERS] = { TEXT("els3@5.495"), TEXT("els3@5.601") }; |
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23 | const int IntersectionIDs[] = { 495, 601 }; |
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24 | const int NumLanes[] = { 6, 6 }; |
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25 | const int NumIntersections = sizeof ( IntersectionIDs )/sizeof(int); |
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26 | |
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27 | /* Entrance sections are hardwired for Aimsun scenario `zlicin_495_601.sce` */ |
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28 | const int EntranceSections[] = { 1, 42, 45, 287, 26 }; |
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29 | const int NumEntranceSections = sizeof(EntranceSections)/sizeof(int); |
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30 | |
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31 | /* Identifiers of sections that Aimsun shall collect statistics for are also |
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32 | hardwired for the scenario `zlicin_495_601.sce`. */ |
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33 | const int StatIds[] = { |
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34 | 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, |
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35 | 26, 27, 35, 28, 29, 30, 31, 32, 33, 34, 39, 36, 37, 38, 21, 22, 23, 24, 25, 40, |
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36 | 42, 43, 44, 45, 49, 46, 47, 50, 51, 287, 288, 54, 55, 56, 57, 58, 59, 60, 61, |
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37 | 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77 }; |
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38 | const int NumStatIds = sizeof(StatIds)/sizeof(int); |
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39 | |
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40 | const int LaneQueuesSectIds[] = { |
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41 | 1, 2, 3, 6, 7, // 495_QA |
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42 | 3, 4, 5, // 495_QB |
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43 | 35, 28, 32, 33, 34, // 495_QC |
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44 | 26, 27, 35, 28, 29, 30, 31, // 495_QD |
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45 | 16, 17, 18, 19, 20, 14, 15, // 495_QE |
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46 | 16, 17, 18, 19, 20, 12, 13, // 495_QF |
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47 | 21, 22, 23, 24, 25, 40, // 601_QA1 (inner lane) |
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48 | 21, 22, 23, 24, 25, 40, // 601_QA2 (outer lane) |
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49 | 43, 44, // 601_QB1 (bus terminal, inner) |
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50 | 43, 44, 42, // 601_QB2 (bus terminal, outer) |
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51 | 45, 49, 50, // 601_QC |
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52 | 45, 49, 51, // 601_QD |
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53 | 61, 62, 63, 64, 65, // 601_QE |
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54 | 287,288,54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65 // 601_QSE |
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55 | }; |
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56 | const int NumLaneQueuesSectIds = sizeof(LaneQueuesSectIds)/sizeof(int); |
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57 | const int LaneQueuesLaneIds[] = { |
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58 | 1, 1, 2, 1, 1, // 495_QA |
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59 | 1, 1, 1, // 495_QB |
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60 | 2, 2, 1, 1, 1, // 495_QC |
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61 | 1, 1, 1, 1, 1, 1, 1, // 495_QD |
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62 | 2, 2, 2, 2, 2, 1, 1, // 495_QE |
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63 | 1, 1, 1, 1, 1, 1, 1, // 495_QF |
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64 | 2, 2, 2, 2, 2, 2, // 601_QA1 (inner lane) |
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65 | 1, 1, 1, 1, 1, 1, // 601_QA2 (outer lane) |
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66 | 2, 2, // 601_QB1 (bus terminal, inner) |
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67 | 1, 1, 1, // 601_QB2 (bus terminal, outer) |
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68 | 1, 1, 1, // 601_QC |
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69 | 2, 2, 1, // 601_QD |
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70 | 2, 2, 2, 2, 2, // 601_QE |
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71 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 // 601_QSE |
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72 | }; |
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73 | |
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74 | /* This array contains offsets of particular lanes stored in LaneQueuesSectIds, |
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75 | plus the would-be offset of the next non-existent lane (this is used to |
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76 | set the limits of the index when extracting statistical data from the |
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77 | section_stats structure). */ |
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78 | int LaneQueueOffsets[] = { |
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79 | 0, 5, 8, 13, 20, 27, |
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80 | 34, 40, 46, 48, 51, 54, 57, 62, NumLaneQueuesSectIds }; |
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81 | |
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82 | /* The position of the statistics is given by the indices in the StatIds |
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83 | array. In order to parse the statistics correctly we have to create |
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84 | a copy of LaneQueuesSectIds holding indices to the StatIds array instead |
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85 | of the original section ids. */ |
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86 | int * LaneQueuesStatPos; |
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87 | |
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88 | const TCHAR * PatternsELS3[] = { TEXT("GetramELS3.dll"), TEXT("GetramELS3d.dll") }; |
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89 | const TCHAR * PatternsVGS[] = { TEXT("GetramVGS.dll"), TEXT("GetramVGSd.dll") }; |
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90 | |
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91 | /* Offsets of `dt` components (dt is the vector returned by AimsunDS, it contains composite |
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92 | values of all measurements for all intersections in the system). */ |
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93 | const int SignalPlanOffsets[] = { 0, 42 }; |
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94 | const int QueueLengthOffsets[] = { 6, 48 }; |
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95 | const int MeasurementOffsets[] = { 12, 56 }; |
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96 | |
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97 | AimsunDS::AimsunDS () : DS() |
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98 | { |
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99 | /* Description of the channels of the data vector. */ |
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100 | Drv = RV ( "{" |
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101 | "495_VA 495_VB 495_VC 495_VD 495_VE 495_VF " |
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102 | "495_QA 495_QB 495_QC 495_QD 495_QE 495_QF " |
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103 | "495_DVA 495_DVB 495_DVA1 495_DVB1 495_DVC 495_DVD 495_DVE 495_DVF 495_DVF1 " |
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104 | "495_S1 495_S2 495_S3 495_S4 495_S5 495_S5a " |
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105 | "601_VA 601_VB 601_VC 601_VD 601_VE 601_SE " |
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106 | "601_QA1 601_QA2 601_QB1 601_QB2 601_QC 601_QD 601_QE 601_QSE " |
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107 | "601_DVA 601_DVAa 601_DVB 601_DVBa 601_DVB1 601_DVC 601_DVD 601_DVD1 601_DSE 601_DVE 601_DSE1 601_DVE1 " |
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108 | "601_S6 601_S6a 601_S7 601_S8 601_S9 601_S9a " |
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109 | "}", |
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110 | " 1, 1, 1, 1, 1, 1, " |
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111 | " 1, 1, 1, 1, 1, 1, " |
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112 | " 2, 2, 2, 2, 2, 2, 2, 2, 2," |
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113 | " 2, 2, 2, 2, 2, 2," |
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114 | " 1, 1, 1, 1, 1, 1, " |
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115 | " 1, 1, 1, 1, 1, 1, 1, 1," |
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116 | " 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2," |
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117 | " 2, 2, 2, 2, 2, 2" |
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118 | ); |
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119 | /* Remember the size of the data vector. */ |
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120 | dtsize = Drv._dsize(); |
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121 | |
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122 | /* Description of the channels of the input vector. */ |
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123 | Urv = RV ( "{" |
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124 | "Tc " |
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125 | "495_offset " |
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126 | "495_VA 495_VB 495_VC 495_VD 495_VE 495_VF " |
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127 | "601_offset " |
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128 | "601_VA 601_VB 601_VC 601_VD 601_VE 601_SE " |
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129 | "}" ); |
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130 | /* Remember the size of the input vector. */ |
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131 | utsize = Urv._dsize(); |
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132 | |
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133 | /* Initialise the pointer to received data. */ |
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134 | p_rsp = NULL; |
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135 | } |
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136 | |
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137 | AimsunDS::~AimsunDS ( void ) |
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138 | { |
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139 | /* Stop Aimsun. */ |
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140 | BOOL res = TerminateProcess ( (HANDLE)hPid, 0 ); |
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141 | if ( ! res ) |
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142 | { |
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143 | fprintf ( stderr, "Cannot terminate Aimsun, error code %d!\n", GetLastError() ); |
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144 | } |
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145 | |
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146 | /* Controllers are most likely waiting for another input |
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147 | so unblock them - their message loop will receive the |
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148 | "Aimsun exited" message right away. */ |
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149 | eh_wakeup_controllers (); |
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150 | } |
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151 | |
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152 | void AimsunDS::from_setting ( const Setting &cfg ) |
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153 | { |
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154 | /* Check the `stop time` field in configuration. */ |
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155 | UI::get ( stopTime, cfg, "stop_time" ); |
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156 | |
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157 | /* Try to load number of stop cycle from configuration, |
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158 | if the value is present, stopTime is overwritten */ |
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159 | if (UI::get ( stopCycle, cfg, "stop_cycle" )) { |
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160 | //TODO I don't know if I can read length of step somewhere, so hardwired now |
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161 | int totalTime=stopCycle*90; |
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162 | |
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163 | int hours = totalTime / 3600; |
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164 | int minutes = ( totalTime % 3600 )/ 60; |
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165 | int seconds = totalTime % 60; |
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166 | |
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167 | stopTime=int_to_string(hours)+":"+int_to_string(minutes)+":"+int_to_string(seconds); |
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168 | } |
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169 | else { |
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170 | stopCycle=960; |
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171 | } |
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172 | |
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173 | /* Query the configuration file for the name of the file containsing |
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174 | vehicle entrances. */ |
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175 | UI::get ( entranceFileName, cfg, "entrances" ); |
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176 | } |
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177 | |
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178 | void AimsunDS::validate () |
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179 | { |
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180 | HKEY hKey; |
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181 | TCHAR szBasePath[MAX_PATH]; /**< Base path of the whole application, root of the tree. */ |
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182 | TCHAR szDllPath[MAX_PATH]; /**< Directory where all DLLs reside. Will be added to PATH. */ |
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183 | TCHAR szSceDllPath[MAX_PATH]; /**< Temporary storage for DLL path rewritten in the scenario file. */ |
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184 | TCHAR szSceDir[MAX_PATH]; /**< Directory of the simulated scenario. */ |
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185 | TCHAR szScePath[MAX_PATH]; /**< Full path to the Aimsun scenario file. The file resides in `szSceDir`. */ |
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186 | TCHAR szScePathA[MAX_PATH]; |
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187 | TCHAR szScePathB[MAX_PATH]; |
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188 | TCHAR szScePathC[MAX_PATH]; |
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189 | TCHAR szNetPath[MAX_PATH]; |
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190 | TCHAR szHomeDir[MAX_PATH]; /**< Installation directory of Aimsun 4.2.x */ |
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191 | TCHAR szELS3Path[MAX_PATH]; /**< Full path of the simulator of ELS3 controller. */ |
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192 | TCHAR szExePath[MAX_EXE_PATH]; /**< Command line when staring ELS3 controllers. */ |
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193 | TCHAR szEntrancePath[MAX_PATH]; /**< Points to the CSV file with vehicle entrances for the simulation. */ |
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194 | DWORD dwBufLen = MAX_PATH_BYTES; |
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195 | LONG res; |
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196 | |
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197 | int verIndex = 1; //@TODO@: 0 is for release, 1 for debug build of the DLL libraries. |
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198 | |
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199 | /* The root directory of the simulator tree is defined externally |
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200 | in "CMakeLists.txt". */ |
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201 | StringCbCopy ( szBasePath, MAX_PATH_BYTES, BASE_PATH ); |
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202 | |
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203 | /* Create the path to DLL directory. The path is defined externally |
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204 | in "CMakeLists.txt". |
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205 | The path will be used to inject the appropriate location of |
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206 | Getram extensions into the selected Aimsun scenario and also |
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207 | to modify PATH variable of executed processes in order to |
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208 | provide access to API DLLs. */ |
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209 | StringCbCopy ( szDllPath, MAX_PATH_BYTES, DLL_PATH ); |
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210 | |
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211 | /* Add the DLL directory to the PATH used by this process. |
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212 | The PATH will be passed to all other processes started |
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213 | by this one and hence they will be able to find API |
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214 | DLLs. */ |
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215 | _addpath ( szDllPath ); |
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216 | |
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217 | #ifdef LATER_OR_NEVER |
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218 | GetPrivateProfileString ( |
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219 | TEXT("paths"), |
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220 | TEXT("base"), |
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221 | NULL, |
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222 | szBasePath, |
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223 | MAX_PATH, |
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224 | TEXT(".\\simulate.ini") |
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225 | ); |
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226 | #endif |
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227 | |
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228 | /* Find the location of Aimsun executable. It is stored in registry tree as |
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229 | \\HKEY_LOCAL_MACHINE\SOFTWARE\TSS-Transport Simulation Systems\GETRAM\4.2.0 */ |
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230 | res = RegOpenKeyEx ( |
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231 | HKEY_LOCAL_MACHINE, |
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232 | TEXT("SOFTWARE\\TSS-Transport Simulation Systems\\GETRAM\\4.2.0"), |
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233 | 0, |
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234 | KEY_QUERY_VALUE, |
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235 | &hKey |
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236 | ); |
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237 | if ( res != ERROR_SUCCESS ) |
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238 | { |
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239 | perror ( "Cannot get handle to Aimsun registry entry" ); |
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240 | return; |
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241 | } |
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242 | |
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243 | /* The executable location is `HomeDir` key. */ |
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244 | res = RegQueryValueEx ( |
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245 | hKey, |
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246 | TEXT("HomeDir"), |
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247 | NULL, NULL, |
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248 | (LPBYTE) szHomeDir, |
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249 | &dwBufLen |
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250 | ); |
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251 | RegCloseKey( hKey ); |
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252 | if (( res != ERROR_SUCCESS ) || ( dwBufLen > MAX_PATH_BYTES )) |
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253 | { |
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254 | perror ( "Cannot read the Aimsun home directory from registry" ); |
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255 | return; |
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256 | } |
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257 | |
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258 | /* Concatenate the home path with the executable name. */ |
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259 | StringCbCat ( szHomeDir, MAX_PATH_BYTES, TEXT("\\aimsun42.exe") ); |
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260 | |
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261 | /* Create the version of home path including the quotation marks. */ |
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262 | StringCbCopy ( szExePath, MAX_EXE_PATH, TEXT("\"") ); |
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263 | StringCbCat ( szExePath, MAX_EXE_PATH, szHomeDir ); |
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264 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("\"") ); |
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265 | |
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266 | /* Create the path to ELS3 executable. */ |
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267 | StringCbCopy ( szELS3Path, MAX_PATH_BYTES, TEXT("\"") ); |
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268 | StringCbCat ( szELS3Path, MAX_PATH_BYTES, szBasePath ); |
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269 | StringCbCat ( szELS3Path, MAX_PATH_BYTES, TEXT("\\els3\\els3sample.exe\"") ); |
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270 | |
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271 | /* Aimsun scenario modification. |
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272 | We have to take care of items that are specified by absolute |
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273 | paths in the scenario file. These items include: |
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274 | - network path (section #NETWORK), |
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275 | - ELS3 Getram extension DLL (section #EXTENSIONS), |
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276 | - VGS Getram extension DLL (section #EXTENSIONS). |
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277 | |
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278 | We will start with constructing the new network path.*/ |
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279 | StringCbCopy ( szSceDir, MAX_EXE_PATH, szBasePath ); |
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280 | StringCbCat ( szSceDir, MAX_EXE_PATH, TEXT("\\scenarios\\zlicin_495_601") ); |
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281 | StringCbCopy ( szNetPath, MAX_EXE_PATH, szSceDir ); |
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282 | StringCbCat ( szNetPath, MAX_EXE_PATH, TEXT("\\zlicin_495_601") ); |
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283 | |
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284 | /* Our convention is that the scenario file name corresponds |
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285 | to the network path name. */ |
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286 | StringCbCopy ( szScePath, MAX_EXE_PATH, szNetPath ); |
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287 | StringCbCat ( szScePath, MAX_EXE_PATH, TEXT(".sce") ); |
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288 | |
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289 | /* First modification step: Replace the location of ELS3 Getram |
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290 | extension. |
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291 | Start with constructing full path to the extension DLL.*/ |
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292 | StringCbCopy ( szSceDllPath, MAX_EXE_PATH, szDllPath ); |
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293 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, TEXT("\\") ); |
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294 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, PatternsELS3[verIndex] ); |
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295 | /* We are not allowed to modify scenario in place (it is part |
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296 | of SVN snapshot and we do not want our local changes to |
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297 | propagate to the trunk with every commit). Therefore we |
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298 | need an alternative scenario name that will be constructed |
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299 | now. */ |
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300 | StringCbCopy ( szScePathA, MAX_EXE_PATH, szScePath ); |
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301 | StringCbCat ( szScePathA, MAX_EXE_PATH, TEXT(".a") ); |
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302 | /* And do the replacements. */ |
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303 | replace_in_scenario ( |
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304 | szScePath, szScePathA, |
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305 | TEXT("#EXTENSIONS"), |
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306 | PatternsELS3, |
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307 | 2, |
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308 | szSceDllPath |
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309 | ); |
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310 | |
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311 | /* Second modification step. |
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312 | Replace the location of VGS Getram extension. */ |
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313 | StringCbCopy ( szSceDllPath, MAX_EXE_PATH, szDllPath ); |
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314 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, TEXT("\\") ); |
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315 | StringCbCat ( szSceDllPath, MAX_EXE_PATH, PatternsVGS[verIndex] ); |
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316 | StringCbCopy ( szScePathB, MAX_EXE_PATH, szScePath ); |
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317 | StringCbCat ( szScePathB, MAX_EXE_PATH, TEXT(".b") ); |
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318 | replace_in_scenario ( |
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319 | szScePathA, szScePathB, |
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320 | TEXT("#EXTENSIONS"), |
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321 | PatternsVGS, |
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322 | 2, |
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323 | szSceDllPath |
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324 | ); |
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325 | |
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326 | const TCHAR * pattern_net[] = { TEXT("zlicin_495_601") }; |
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327 | |
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328 | /* Third modification step. |
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329 | Replace the network path. */ |
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330 | StringCbCopy ( szScePathC, MAX_EXE_PATH, szScePath ); |
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331 | StringCbCat ( szScePathC, MAX_EXE_PATH, TEXT(".c") ); |
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332 | replace_in_scenario ( |
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333 | szScePathB, szScePathC, |
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334 | TEXT("#NETWORK"), |
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335 | pattern_net, |
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336 | 1, |
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337 | szNetPath |
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338 | ); |
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339 | |
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340 | /* Fourth modification step. |
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341 | Replace the `stop time` field of RunTime information. */ |
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342 | replace_stoptime ( |
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343 | szNetPath, |
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344 | stopTime.c_str() |
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345 | ); |
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346 | |
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347 | //??? |
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348 | //StringCbCat ( szScePath, MAX_EXE_PATH, TEXT("\"") ); |
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349 | //StringCbCat ( szScePath, MAX_EXE_PATH, TEXT("\"") ); |
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350 | |
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351 | /* Spawn the process. */ |
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352 | hPid = _tspawnl ( |
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353 | _P_NOWAIT, |
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354 | szHomeDir, |
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355 | szExePath, |
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356 | TEXT("-run"), |
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357 | szScePathC, |
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358 | NULL |
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359 | ); |
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360 | |
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361 | if ( hPid < 0 ) |
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362 | { |
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363 | perror ( "Cannot start Aimsun by _spawnl()" ); |
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364 | return; |
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365 | } |
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366 | |
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367 | /* Now that Aimsun is running, we need to start also the controllers. */ |
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368 | for ( int c = 0 ; c < NUM_CONTROLLERS ; c++ ) |
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369 | { |
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370 | TCHAR szELS3Config[MAX_PATH]; |
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371 | szELS3Config[0] = 0; |
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372 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT("\"") ); |
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373 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, szBasePath ); |
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374 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT("\\els3\\configs\\") ); |
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375 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, ControllerList[c] ); |
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376 | StringCbCat ( szELS3Config, MAX_PATH_BYTES, TEXT(".ini\"") ); |
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377 | |
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378 | /* Create the command line for the controller. */ |
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379 | szExePath[0] = 0; |
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380 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("start \"") ); |
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381 | StringCbCat ( szExePath, MAX_EXE_PATH, WindowStr[c] ); |
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382 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT("\" ") ); |
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383 | StringCbCat ( szExePath, MAX_EXE_PATH, szELS3Path ); |
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384 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -a") ); |
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385 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -l frm,det,spl") ); |
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386 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -c 12.12.2007 00:00:00") ); |
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387 | StringCbCat ( szExePath, MAX_EXE_PATH, TEXT(" -f ") ); |
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388 | StringCbCat ( szExePath, MAX_EXE_PATH, szELS3Config ); |
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389 | |
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390 | /* Spawn the process. */ |
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391 | _tsystem ( szExePath ); |
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392 | } |
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393 | |
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394 | /* Aaaaggggrrrrrhhhh! |
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395 | C++ is much much faster than Matlab and we have a synchronisation |
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396 | issue with els3 controllers starting too late. */ |
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397 | Sleep ( 5000 ); |
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398 | |
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399 | |
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400 | /* Prepare full path for vehicle input data. */ |
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401 | StringCbCopy ( szEntrancePath, MAX_EXE_PATH, szSceDir ); |
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402 | StringCbCat ( szEntrancePath, MAX_EXE_PATH, TEXT("\\") ); |
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403 | StringCbCat ( szEntrancePath, MAX_EXE_PATH, entranceFileName.c_str() ); |
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404 | |
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405 | /* Initialise and start the vehicle input. |
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406 | The function call refers to delay-loaded DLL, so expect possible |
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407 | complainst in case that the DLL canot be found in PATH. */ |
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408 | initVGS ( |
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409 | HEADWAY_UNIFORM, |
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410 | szEntrancePath, |
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411 | TEXT("sect_stats.csv"), |
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412 | TEXT("glob_stats.csv") |
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413 | ); |
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414 | |
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415 | /* Create LaneQueuesStatPos holding indices to the statistical data for the |
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416 | sections listed in LaneQueuesSectIds in the same order. */ |
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417 | LaneQueuesStatPos = (int *) calloc ( NumLaneQueuesSectIds, sizeof(int)); |
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418 | for ( int i=0 ; i < NumLaneQueuesSectIds ; i++ ) |
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419 | { |
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420 | int p = _search_index ( StatIds, NumStatIds, LaneQueuesSectIds[i] ); |
---|
421 | if ( p >= 0 ) |
---|
422 | { |
---|
423 | LaneQueuesStatPos[i] = p; |
---|
424 | } |
---|
425 | else |
---|
426 | { |
---|
427 | fprintf ( stderr, "Cannot find index LaneQueuesStatIds[%d]=%d in StatIds!\n", |
---|
428 | i, LaneQueuesSectIds[i] ); |
---|
429 | exit(1); |
---|
430 | } |
---|
431 | } |
---|
432 | |
---|
433 | } |
---|
434 | |
---|
435 | void AimsunDS::initVGS ( |
---|
436 | const vgs_headway_mode headway, |
---|
437 | const string &entrancePath, |
---|
438 | const string §ionStatsPath, |
---|
439 | const string &globalStatsPath |
---|
440 | ) |
---|
441 | { |
---|
442 | int res; |
---|
443 | |
---|
444 | /* Allocate space for the section statistics. |
---|
445 | TODO: This is ugly. This should be part of VGS API. */ |
---|
446 | sections_stats.queues = (int*) calloc ( MAX_SECTS*MAX_LANES, sizeof(int) ); |
---|
447 | sections_stats.stats = (vgs_se_stat_entry*) calloc ( MAX_SECTS, sizeof(vgs_se_stat_entry) ); |
---|
448 | |
---|
449 | /* Pass information about entrance sections to VGS API (and so to the |
---|
450 | GetramVGS extension that will be generating vehicles for these |
---|
451 | entrances). */ |
---|
452 | vgs_set_entrance_sections ( EntranceSections, NumEntranceSections ); |
---|
453 | |
---|
454 | /* Check the validity of the headway mode. */ |
---|
455 | res = vgs_is_valid_headway_mode ( headway ); |
---|
456 | if ( !res ) |
---|
457 | { |
---|
458 | fprintf ( stderr, "Invalid headway mode '%d'\n", headway ); |
---|
459 | exit ( -1 ); |
---|
460 | } |
---|
461 | |
---|
462 | /* Specify where to find the CSV with vehicle entrances and which |
---|
463 | headway mode to use for generating vehicle flows. */ |
---|
464 | vgs_generate_vehicles ( entrancePath.c_str(), headway ); |
---|
465 | |
---|
466 | /* Pass to VGS API information about section identifiers we want to |
---|
467 | collect statistics for (and VGS will pass it to the GetramVGS |
---|
468 | extension). */ |
---|
469 | vgs_set_stats_sections ( StatIds, NumStatIds ); |
---|
470 | |
---|
471 | /* Specify where to store CSV files with statistical data. */ |
---|
472 | vgs_set_stats_file_names ( sectionStatsPath.c_str(), globalStatsPath.c_str() ); |
---|
473 | |
---|
474 | /* Specify the maximum queuing speed in kmph. */ |
---|
475 | vgs_set_max_qspeed ( 3.6f ); |
---|
476 | |
---|
477 | /* Unlock the semaphore blocking Aimsun from execution. */ |
---|
478 | vgs_unlock_aimsun(); |
---|
479 | } |
---|
480 | |
---|
481 | void AimsunDS::getdata ( vec &dt ) const |
---|
482 | { |
---|
483 | /* Return the last data. */ |
---|
484 | printf ( "\n\tAimsunDS::getdata() starting\n" ); |
---|
485 | |
---|
486 | if ( p_rsp == NULL ) |
---|
487 | { |
---|
488 | fprintf ( stderr, "ERROR: AimsunDS::getdata() - no data available yet!\n" ); |
---|
489 | return; |
---|
490 | } |
---|
491 | |
---|
492 | /* Loop over all controllers in the measurement set. */ |
---|
493 | for ( int i = 0; i < p_rsp->count; i++) |
---|
494 | { |
---|
495 | det_stats * ds_ptr = p_rsp->dets + i; |
---|
496 | sp_stats * sp_ptr = p_rsp->sps + i; |
---|
497 | |
---|
498 | printf ( "\tRealised signal plans:\n" ); |
---|
499 | |
---|
500 | /* Loop over all measurement sets. We will deliver just |
---|
501 | the last one. */ |
---|
502 | for ( int j = 0; j < sp_ptr->count ; j++ ) |
---|
503 | { |
---|
504 | sp_stattab * dat_ptr = sp_ptr->splans + j; |
---|
505 | int pos = _search_index ( IntersectionIDs, NumIntersections, dat_ptr->its_id ); |
---|
506 | int offset = SignalPlanOffsets[pos]; |
---|
507 | |
---|
508 | printf ( "\t[%3d] t=%6ds ", j, dat_ptr->global_time ); |
---|
509 | |
---|
510 | /* Copy particular signals. */ |
---|
511 | for ( int k = 0 ; k < dat_ptr->num_siggroups ; k++ ) |
---|
512 | { |
---|
513 | dt[k+offset] = dat_ptr->green_time[k]; |
---|
514 | printf ( "%3d ", dat_ptr->green_time[k] ); |
---|
515 | } |
---|
516 | printf ( "\n" ); |
---|
517 | } |
---|
518 | |
---|
519 | printf ( "\tDetector data:\n" ); |
---|
520 | |
---|
521 | /* Loop over all mesurement records with intensities and |
---|
522 | occupancies. */ |
---|
523 | for ( int j = 0 ; j < ds_ptr->count ; j++ ) |
---|
524 | { |
---|
525 | det_aggreg_table * dat_ptr = ds_ptr->stats + j; |
---|
526 | int pos = _search_index ( IntersectionIDs, NumIntersections, dat_ptr->its_id ); |
---|
527 | int moffset = MeasurementOffsets[pos]; |
---|
528 | |
---|
529 | printf ( "\t[%3d] t=%6ds ", j, dat_ptr->global_time ); |
---|
530 | |
---|
531 | for ( int k = 0 ; k < dat_ptr->num_det ; k++ ) |
---|
532 | { |
---|
533 | dt[2*k+moffset] = dat_ptr->dt_intensity[k]; |
---|
534 | dt[2*k+moffset+1] = dat_ptr->dt_occupancy[k]; |
---|
535 | printf ( "{%2d/%2d} ", |
---|
536 | dat_ptr->dt_intensity[k], dat_ptr->dt_occupancy[k] ); |
---|
537 | } |
---|
538 | printf ( "\n" ); |
---|
539 | } |
---|
540 | } |
---|
541 | printf ( "\n\tQueues:\n" ); |
---|
542 | |
---|
543 | /* Loop over the statistical data. We will extract the queue length for |
---|
544 | every intersection and store it into the data vector. */ |
---|
545 | int oLanes = 0; // lane offset for the actual intersection |
---|
546 | int oLpos = 0; |
---|
547 | for ( int i = 0 ; i < NumIntersections ; i++ ) |
---|
548 | { |
---|
549 | /* Every intersection has a certain number of lanes that (roughly) |
---|
550 | correspond to the number of signal groups. */ |
---|
551 | int nLanes = NumLanes[i]; |
---|
552 | int qoffset = QueueLengthOffsets[i]; |
---|
553 | printf ( "\r[%d]", i ); |
---|
554 | for ( int j = 0 ; j < nLanes ; j++ ) |
---|
555 | { |
---|
556 | /* Initial queue length for this lane is zero. */ |
---|
557 | int qLen = 0; |
---|
558 | /* Every lane has one or more section identifiers at certain |
---|
559 | positions in LaneQueuesStatIds. The sequence of lanes |
---|
560 | is given by offsets in LaneQueueOffsets, the position of |
---|
561 | the statistical information is stored in LaneQueuesStatPos. */ |
---|
562 | for ( int k = oLpos ; k < LaneQueueOffsets[oLanes+j+1] ; k++ ) |
---|
563 | { |
---|
564 | /* Get the index into statistical information records. */ |
---|
565 | int pi = LaneQueuesStatPos[k]; |
---|
566 | int pl = LaneQueuesLaneIds[k]-1; // indices are not zero-based |
---|
567 | /* Now query the last queue length (section with more than |
---|
568 | one lane holds several queue lengths) and add it to the |
---|
569 | acumulated queue length value. */ |
---|
570 | qLen += sections_stats.queues[pi*sections_stats.max_lanes+pl]; |
---|
571 | } |
---|
572 | /* Move the lane position offset. */ |
---|
573 | oLpos = LaneQueueOffsets[oLanes+j+1]; |
---|
574 | /* Update the data vector. */ |
---|
575 | dt[qoffset+j] = qLen; |
---|
576 | /* Print the queue length. */ |
---|
577 | printf ( " %d", qLen ); |
---|
578 | } |
---|
579 | printf ( "\n" ); |
---|
580 | oLanes = oLanes + nLanes; |
---|
581 | } |
---|
582 | |
---|
583 | printf ( "\n\tAimsunDS::getdata() finished\n" ); |
---|
584 | cout << dt ; |
---|
585 | } |
---|
586 | |
---|
587 | |
---|
588 | void AimsunDS::write ( vec &ut ) |
---|
589 | { |
---|
590 | eh_res sp_res; /* Result code from write operation. */ |
---|
591 | eh_hrdels3 hrdsp[2]; /* Signal plan for two intersections. */ |
---|
592 | |
---|
593 | /* Check that the length of the vector is correct. */ |
---|
594 | if ( ut.size() != utsize ) |
---|
595 | { |
---|
596 | fprintf ( stderr, "Incorrect length of data vector (should be %d)", utsize ); |
---|
597 | exit(-1); |
---|
598 | } |
---|
599 | /* Check that the phase lengths sum to correct cycle time. */ |
---|
600 | /* |
---|
601 | if ( ut[0]+ut[1]+ut[2] != 80 ) |
---|
602 | { |
---|
603 | fprintf ( stderr, "Intersection 495: F1+F2+F3 != Tc (should be 80)" ); |
---|
604 | exit(-1); |
---|
605 | } |
---|
606 | if ( ut[3]+ut[4]+ut[5] != 80 ) |
---|
607 | { |
---|
608 | fprintf ( stderr, "Intersection 601: F1+F2+F3 != Tc (should be 80)" ); |
---|
609 | exit(-1); |
---|
610 | }*/ |
---|
611 | |
---|
612 | hrdsp[0].id = 495; |
---|
613 | hrdsp[0].sp.cycle_time = int ( ut[0] ); |
---|
614 | hrdsp[0].sp.offset = int ( ut[1] ); |
---|
615 | hrdsp[0].sp.phase_len[0] = int ( ut[2] ); |
---|
616 | hrdsp[0].sp.phase_len[1] = int ( ut[3] ); |
---|
617 | hrdsp[0].sp.phase_len[2] = int ( ut[4] ); |
---|
618 | hrdsp[0].sp.phase_len[3] = -1; |
---|
619 | |
---|
620 | hrdsp[1].id = 601; |
---|
621 | hrdsp[1].sp.cycle_time = int ( ut[ 0] ); |
---|
622 | hrdsp[1].sp.offset = int ( ut[ 8] ); |
---|
623 | hrdsp[1].sp.phase_len[0] = int ( ut[ 9] ); |
---|
624 | hrdsp[1].sp.phase_len[1] = int ( ut[10] ); |
---|
625 | hrdsp[1].sp.phase_len[2] = int ( ut[11] ); |
---|
626 | hrdsp[1].sp.phase_len[3] = -1; |
---|
627 | |
---|
628 | /* Write new signal plan to the shared memory of active controllers. */ |
---|
629 | sp_res = eh_write_hrd_data( hrdsp, 2 ); |
---|
630 | |
---|
631 | if ( sp_res != EH_RES_OK ) |
---|
632 | { |
---|
633 | printf ( "eh_write_hrd_data(): " ); |
---|
634 | if ( sp_res == EH_RES_WCNT ) |
---|
635 | { |
---|
636 | printf ( "Wrong count of ELS3...\n" ); |
---|
637 | } |
---|
638 | else if ( sp_res == EH_RES_WRID ) |
---|
639 | { |
---|
640 | printf ( "Wrong intersection ID...\n" ); |
---|
641 | } |
---|
642 | else |
---|
643 | { |
---|
644 | printf ( "Unknown error [%d] ...\n", sp_res ); |
---|
645 | } |
---|
646 | } |
---|
647 | } |
---|
648 | |
---|
649 | |
---|
650 | void AimsunDS::step() |
---|
651 | { |
---|
652 | eh_wres wsp_res; /* Result code of the wait operation. */ |
---|
653 | int count; /* Count of measurement sets. */ |
---|
654 | |
---|
655 | /* Wait for 100 seconds until data from all ELS3 controllers arrive. */ |
---|
656 | wsp_res = eh_wait_on_rsp_complete( 100000 ); |
---|
657 | |
---|
658 | if ( wsp_res != EH_WRES_OK ) |
---|
659 | { |
---|
660 | printf ( "eh_wait_on_rsp_complete(): " ); |
---|
661 | |
---|
662 | if ( wsp_res == EH_WRES_TIMEOUT ) |
---|
663 | { |
---|
664 | printf ( "Timeout elapsed ...\n" ); |
---|
665 | } |
---|
666 | else if ( wsp_res == EH_WRES_EXIT ) |
---|
667 | { |
---|
668 | printf ( "Some ELS3 has exited ...\n" ); |
---|
669 | } |
---|
670 | else |
---|
671 | { |
---|
672 | printf ( "Unknown error [%d] ...\n", wsp_res ); |
---|
673 | } |
---|
674 | exit(-1); |
---|
675 | } |
---|
676 | |
---|
677 | /* This will copy the detector data out. It is needed by the |
---|
678 | Matlab HRDS version due to its internal structure - realised |
---|
679 | signal plans are read asynchronously and later. The value |
---|
680 | of `count` reports the number of data sets that will be |
---|
681 | returned by the call to `eh_read_realised_sp()`. This coount |
---|
682 | will be at least 1 but it may be higher in cases where the |
---|
683 | controller reports measurements in short intervals but we are |
---|
684 | reading them less frequently. */ |
---|
685 | count = eh_copy_out_measurements (); |
---|
686 | |
---|
687 | printf ( "got %d measurements from controllers ...", count ); |
---|
688 | |
---|
689 | /* Read realised signal plan from shared memory. */ |
---|
690 | if ( eh_read_realised_sp( &p_rsp ) == EH_RES_OK ) |
---|
691 | { |
---|
692 | printf("\nsuccesfully read data from controllers\n" ); |
---|
693 | } |
---|
694 | else |
---|
695 | { |
---|
696 | printf(" but got no data ???\n"); |
---|
697 | } |
---|
698 | |
---|
699 | /* Finally we will also read the last statistical information |
---|
700 | from the VGS interface. */ |
---|
701 | vgs_get_last_stats ( §ions_stats ); |
---|
702 | } |
---|
703 | |
---|
704 | string AimsunDS::int_to_string(int const i) |
---|
705 | { |
---|
706 | std::stringstream ss; |
---|
707 | ss << i; |
---|
708 | if (i<10) |
---|
709 | return "0" + ss.str(); |
---|
710 | else |
---|
711 | return ss.str(); |
---|
712 | } |
---|