[218] | 1 | /* Virginia Tech Cognitive Radio Open Source Systems |
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| 2 | * Virginia Tech, 2009 |
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| 3 | * |
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| 4 | * LICENSE INFORMATION GOES HERE |
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| 5 | */ |
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| 6 | |
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| 7 | /* DESCRIPTION OF FILE. |
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| 8 | */ |
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| 9 | |
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| 10 | |
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| 11 | #include <cstdlib> |
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| 12 | #include <cstring> |
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| 13 | #include <stdint.h> |
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| 14 | |
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| 15 | #include "vtcross/common.h" |
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| 16 | #include "vtcross/components.h" |
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| 17 | #include "vtcross/containers.h" |
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| 18 | #include "vtcross/debug.h" |
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| 19 | #include "vtcross/error.h" |
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| 20 | #include "vtcross/socketcomm.h" |
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[228] | 21 | #include "vtcross/cbr.h" |
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[218] | 22 | |
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[228] | 23 | #include "cbr.c" |
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[218] | 24 | |
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[228] | 25 | #include <sqlite3.h> |
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| 26 | #include <sqlite3ext.h> |
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| 27 | |
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| 28 | |
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| 29 | |
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| 30 | static cbr myCBR; |
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| 31 | |
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[218] | 32 | CognitiveEngine::CognitiveEngine() |
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| 33 | { |
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| 34 | LOG("Creating Cognitive Engine.\n"); |
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| 35 | SML_present = false; |
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| 36 | commandSocketFD = -1; |
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| 37 | } |
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| 38 | |
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| 39 | |
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| 40 | CognitiveEngine::~CognitiveEngine() |
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| 41 | { |
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[228] | 42 | cbr_free(myCBR); |
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[218] | 43 | delete [] pList; |
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| 44 | delete [] oList; |
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| 45 | delete [] uList; |
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| 46 | delete [] radioInfo; |
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| 47 | } |
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| 48 | |
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| 49 | |
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| 50 | CognitiveEngine::CognitiveEngine(const char* serverName, const char* serverPort, \ |
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| 51 | const bool SML) |
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| 52 | { |
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| 53 | LOG("Creating Cognitive Engine.\n"); |
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| 54 | |
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| 55 | pList = new Parameter[10]; |
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| 56 | oList = new Observable[10]; |
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| 57 | uList = new Utility[10]; |
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| 58 | radioInfo = new Radio_Info; |
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| 59 | |
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| 60 | ConnectToRemoteComponent(serverName, serverPort, SML); |
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| 61 | } |
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| 62 | |
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| 63 | |
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| 64 | void |
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| 65 | CognitiveEngine::SendComponentType() |
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| 66 | { |
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| 67 | SendMessage(commandSocketFD, "response_engine_cognitive"); |
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| 68 | LOG("Cognitive Engine responded to GetRemoteComponentType query.\n"); |
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| 69 | } |
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| 70 | |
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| 71 | |
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| 72 | void |
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| 73 | CognitiveEngine::ConnectToRemoteComponent(const char* serverName, \ |
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| 74 | const char* serverPort, const bool SML) |
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| 75 | { |
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| 76 | commandSocketFD = ClientSocket(serverName, serverPort); |
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| 77 | |
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| 78 | SML_present = SML; |
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| 79 | |
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| 80 | if(SML) { |
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| 81 | RegisterComponent(); |
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| 82 | RegisterServices(); |
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| 83 | LOG("Cognitive Engine connected to SML at %s.\n", serverName); |
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| 84 | ReceiveRadioConfiguration(); |
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| 85 | ReceiveExperience(); |
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| 86 | } |
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| 87 | else { |
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| 88 | RegisterComponent(); |
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| 89 | LOG("Cognitive Engine connected to shell at %s.\n", serverName); |
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| 90 | ReceiveRadioConfiguration(); |
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| 91 | ReceiveExperience(); |
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| 92 | } |
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| 93 | } |
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| 94 | |
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| 95 | void |
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| 96 | CognitiveEngine::WaitForSignal() |
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| 97 | { |
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| 98 | char buffer[256]; |
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| 99 | |
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| 100 | while(true) { |
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| 101 | memset(buffer, 0, 256); |
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| 102 | |
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| 103 | ReadMessage(commandSocketFD, buffer); |
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| 104 | |
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| 105 | // TODO this is ugly... is there a better way? Doesn't strcmp compare the |
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| 106 | // whole string? We only need to compare until we find a single different |
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| 107 | // byte... |
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| 108 | // |
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| 109 | // If we send integer op codes rather than strings, this process will be |
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| 110 | // MUCH faster since instead of donig string compares we can simply |
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| 111 | // switch on the integer value... |
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[228] | 112 | if(strcmp(buffer, "request_optimization") == 0) { |
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[222] | 113 | |
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| 114 | /* Receive Set of Observables */ |
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[223] | 115 | LOG("Cognitive Engine:: Receiving Observable Parameters\n"); |
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[218] | 116 | |
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[222] | 117 | memset(buffer, 0, 256); |
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| 118 | ReadMessage(commandSocketFD,buffer); |
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| 119 | uint32_t numObservables = atoi(buffer); |
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| 120 | |
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[224] | 121 | Observable *o = new Observable[numObservables]; |
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[222] | 122 | |
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[224] | 123 | for(size_t i = 0; i < numObservables; i++) { |
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[222] | 124 | memset(buffer, 0, 256); |
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[224] | 125 | ReadMessage(commandSocketFD, buffer); |
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[222] | 126 | o[i].name = std::string(buffer); |
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| 127 | |
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| 128 | memset(buffer, 0, 256); |
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[224] | 129 | ReadMessage(commandSocketFD, buffer); |
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[222] | 130 | o[i].value = atof(buffer); |
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| 131 | } |
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| 132 | |
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[228] | 133 | /* Receive Set of current Parameters */ |
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| 134 | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
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| 135 | |
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| 136 | memset(buffer, 0, 256); |
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| 137 | ReadMessage(commandSocketFD,buffer); |
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| 138 | uint32_t numCurrentParameters = atoi(buffer); |
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| 139 | |
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| 140 | Parameter *cp = new Parameter[numCurrentParameters]; |
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| 141 | |
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| 142 | for(size_t i = 0; i < numCurrentParameters; i++) { |
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| 143 | memset(buffer, 0, 256); |
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| 144 | ReadMessage(commandSocketFD, buffer); |
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| 145 | cp[i].name = std::string(buffer); |
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| 146 | |
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| 147 | memset(buffer, 0, 256); |
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| 148 | ReadMessage(commandSocketFD, buffer); |
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| 149 | cp[i].value = atof(buffer); |
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| 150 | } |
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[223] | 151 | LOG("Cognitive Engine:: Processing parameters....\n"); |
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[224] | 152 | |
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[228] | 153 | Parameter *solutionSet; |
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| 154 | |
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| 155 | solutionSet = GetSolution(o,cp); |
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| 156 | |
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[224] | 157 | // TODO need to actually do something with the observables here |
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| 158 | |
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[223] | 159 | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
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[228] | 160 | char numParametersChar[10]; |
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| 161 | char solutionValue[50]; |
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| 162 | sprintf(numParametersChar,"%i",radioInfo->numParameters); |
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| 163 | SendMessage(commandSocketFD,numParametersChar); |
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| 164 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 165 | SendMessage(commandSocketFD,solutionSet[i].name.c_str()); |
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| 166 | memset(solutionValue, 0, 50); |
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| 167 | sprintf(solutionValue,"%f",solutionSet[i].value); |
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| 168 | SendMessage(commandSocketFD,solutionValue); |
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| 169 | } |
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[224] | 170 | |
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| 171 | delete [] o; |
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[228] | 172 | delete [] cp; |
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[218] | 173 | } |
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| 174 | else if(strcmp(buffer, "query_component_type") == 0) { |
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| 175 | SendComponentType(); |
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| 176 | } |
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| 177 | else if(strcmp(buffer, "connect_sml") == 0) { |
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| 178 | /* This command implies that we are disconnecting from the shell and |
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| 179 | * connecting to a SML component. */ |
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| 180 | char serverName[256]; |
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| 181 | char serverPort[256]; |
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| 182 | // TODO is this going to end up being too slow? |
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| 183 | memset(serverName, 0, 256); |
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| 184 | memset(serverPort, 0, 256); |
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| 185 | |
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| 186 | ReadMessage(commandSocketFD, serverName); |
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| 187 | ReadMessage(commandSocketFD, serverPort); |
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| 188 | |
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| 189 | /* Only continue if we are currently connected to a shell. */ |
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| 190 | if(!SML_present) { |
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| 191 | DeregisterComponent(); |
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| 192 | |
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| 193 | shutdown(commandSocketFD, 2); |
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| 194 | close(commandSocketFD); |
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| 195 | |
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| 196 | ConnectToRemoteComponent(serverName, serverPort, true); |
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| 197 | } |
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| 198 | } |
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| 199 | else if(strcmp(buffer, "disconnect_sml") == 0) { |
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| 200 | /* This command implies that we are disconnecting from the SML and |
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| 201 | * connecting to a shell component. */ |
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| 202 | char serverName[256]; |
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| 203 | char serverPort[256]; |
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| 204 | // TODO is this going to end up being too slow? |
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| 205 | memset(serverName, 0, 256); |
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| 206 | memset(serverPort, 0, 256); |
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| 207 | |
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| 208 | ReadMessage(commandSocketFD, serverName); |
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| 209 | ReadMessage(commandSocketFD, serverPort); |
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| 210 | |
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| 211 | /* We only want to do this if we are actually connected to an SML |
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| 212 | * currently. */ |
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| 213 | if(SML_present) { |
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| 214 | DeregisterServices(); |
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| 215 | |
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| 216 | shutdown(commandSocketFD, 2); |
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| 217 | close(commandSocketFD); |
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| 218 | |
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| 219 | ConnectToRemoteComponent(serverName, serverPort, false); |
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| 220 | } |
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| 221 | } |
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| 222 | else if(strcmp(buffer, "reset_engine_cognitive") == 0) { |
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| 223 | Reset(); |
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| 224 | } |
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| 225 | else if(strcmp(buffer, "shutdown_engine_cognitive") == 0) { |
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| 226 | Shutdown(); |
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| 227 | } |
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| 228 | } |
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| 229 | } |
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| 230 | |
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| 231 | |
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| 232 | void |
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| 233 | CognitiveEngine::Shutdown() |
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| 234 | { |
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| 235 | if(SML_present) { |
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| 236 | DeregisterServices(); |
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| 237 | DeregisterComponent(); |
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| 238 | } |
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| 239 | else { |
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| 240 | DeregisterComponent(); |
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| 241 | } |
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| 242 | // TODO should something else be happening here? |
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| 243 | } |
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| 244 | |
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| 245 | |
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| 246 | void |
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| 247 | CognitiveEngine::Reset() |
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| 248 | { |
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| 249 | LOG("Resetting Cognitive Engine.\n"); |
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| 250 | |
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| 251 | if(SML_present) { |
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| 252 | DeregisterServices(); |
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| 253 | DeregisterComponent(); |
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| 254 | } |
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| 255 | else { |
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| 256 | DeregisterComponent(); |
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| 257 | } |
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| 258 | } |
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| 259 | |
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| 260 | |
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| 261 | void |
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| 262 | CognitiveEngine::RegisterComponent() |
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| 263 | { |
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| 264 | SendMessage(commandSocketFD, "register_engine_cognitive"); |
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| 265 | LOG("Cognitive Engine:: Registration message sent to shell.\n"); |
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| 266 | } |
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| 267 | |
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| 268 | void |
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| 269 | CognitiveEngine::DeregisterComponent() |
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| 270 | { |
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| 271 | SendMessage(commandSocketFD, "deregister_engine_cognitive"); |
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| 272 | LOG("Cognitive Engine:: Deregistration message sent.\n"); |
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| 273 | |
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| 274 | shutdown(commandSocketFD, 2); |
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| 275 | close(commandSocketFD); |
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| 276 | commandSocketFD = -1; |
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| 277 | LOG("Cognitive Engine:: Shell socket closed.\n"); |
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| 278 | } |
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| 279 | |
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| 280 | |
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| 281 | void |
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| 282 | CognitiveEngine::RegisterServices() |
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| 283 | { |
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| 284 | LOG("Cognitive Engine:: Registering services.\n"); |
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| 285 | |
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| 286 | SendMessage(commandSocketFD, "register_service"); |
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| 287 | SendMessage(commandSocketFD, "jam_wifi"); |
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| 288 | |
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| 289 | SendMessage(commandSocketFD, "register_service"); |
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| 290 | SendMessage(commandSocketFD, "signal_detection"); |
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| 291 | |
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| 292 | SendMessage(commandSocketFD, "register_service"); |
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| 293 | SendMessage(commandSocketFD, "max_throughput"); |
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| 294 | |
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| 295 | SendMessage(commandSocketFD, "register_service"); |
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| 296 | SendMessage(commandSocketFD, "jam_bluetooth"); |
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| 297 | } |
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| 298 | |
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| 299 | |
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| 300 | void |
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| 301 | CognitiveEngine::DeregisterServices() |
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| 302 | { |
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| 303 | LOG("Cognitive Engine:: Deregistering services.\n"); |
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| 304 | |
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| 305 | SendMessage(commandSocketFD, "deregister_service"); |
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| 306 | SendMessage(commandSocketFD, "jam_wifi"); |
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| 307 | |
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| 308 | SendMessage(commandSocketFD, "deregister_service"); |
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| 309 | SendMessage(commandSocketFD, "signal_detection"); |
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| 310 | |
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| 311 | SendMessage(commandSocketFD, "deregister_service"); |
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| 312 | SendMessage(commandSocketFD, "max_throughput"); |
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| 313 | |
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| 314 | SendMessage(commandSocketFD, "deregister_service"); |
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| 315 | SendMessage(commandSocketFD, "jam_bluetooth"); |
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| 316 | |
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| 317 | } |
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| 318 | |
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| 319 | void |
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| 320 | CognitiveEngine::ReceiveRadioConfiguration() |
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| 321 | { |
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| 322 | LOG("Cognitive Engine:: Receiving Radio Configuration.\n"); |
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| 323 | |
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| 324 | char buffer[256]; |
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| 325 | |
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| 326 | /* Receive Set of Utilities */ |
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| 327 | memset(buffer, 0, 256); |
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| 328 | ReadMessage(commandSocketFD,buffer); |
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| 329 | radioInfo->numUtilities = atoi(buffer); |
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| 330 | |
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[224] | 331 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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[218] | 332 | memset(buffer, 0, 256); |
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| 333 | ReadMessage(commandSocketFD,buffer); |
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| 334 | uList[i].name = std::string(buffer); |
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[228] | 335 | |
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[218] | 336 | memset(buffer, 0, 256); |
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| 337 | ReadMessage(commandSocketFD,buffer); |
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| 338 | uList[i].units = std::string(buffer); |
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| 339 | |
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| 340 | memset(buffer, 0, 256); |
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| 341 | ReadMessage(commandSocketFD,buffer); |
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| 342 | uList[i].goal = std::string(buffer); |
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| 343 | |
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| 344 | memset(buffer, 0, 256); |
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| 345 | ReadMessage(commandSocketFD,buffer); |
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| 346 | uList[i].target = atof(buffer); |
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| 347 | } |
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| 348 | |
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| 349 | /* Receive Set of Parameters */ |
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| 350 | memset(buffer, 0, 256); |
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| 351 | ReadMessage(commandSocketFD, buffer); |
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| 352 | radioInfo->numParameters = atoi(buffer); |
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| 353 | |
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| 354 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 355 | memset(buffer, 0, 256); |
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| 356 | ReadMessage(commandSocketFD, buffer); |
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| 357 | pList[i].name = std::string(buffer); |
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| 358 | |
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| 359 | memset(buffer, 0, 256); |
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| 360 | ReadMessage(commandSocketFD, buffer); |
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| 361 | pList[i].units = std::string(buffer); |
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| 362 | |
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| 363 | memset(buffer, 0, 256); |
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| 364 | ReadMessage(commandSocketFD, buffer); |
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| 365 | pList[i].min = atof(buffer); |
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| 366 | |
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| 367 | memset(buffer, 0, 256); |
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| 368 | ReadMessage(commandSocketFD, buffer); |
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| 369 | pList[i].max = atof(buffer); |
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| 370 | |
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| 371 | memset(buffer, 0, 256); |
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| 372 | ReadMessage(commandSocketFD, buffer); |
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| 373 | pList[i].step = atof(buffer); |
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| 374 | |
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| 375 | memset(buffer, 0, 256); |
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| 376 | ReadMessage(commandSocketFD,buffer); |
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| 377 | pList[i].numAffects = atoi(buffer); |
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| 378 | |
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[224] | 379 | for(size_t j = 0; j < pList[i].numAffects; j++) { |
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[218] | 380 | memset(buffer, 0, 256); |
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| 381 | ReadMessage(commandSocketFD,buffer); |
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[224] | 382 | for(size_t k = 0; k < radioInfo->numUtilities; k++) { |
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[218] | 383 | if(uList[k].name == std::string(buffer)){ |
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| 384 | pList[i].affection_list[j].u = &uList[k]; |
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| 385 | break; |
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| 386 | } |
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| 387 | } |
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| 388 | |
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| 389 | memset(buffer, 0, 256); |
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| 390 | ReadMessage(commandSocketFD,buffer); |
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| 391 | pList[i].affection_list[j].relation = std::string(buffer); |
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| 392 | } |
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| 393 | } |
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| 394 | |
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| 395 | /* Receive Set of Observables */ |
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| 396 | memset(buffer, 0, 256); |
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| 397 | ReadMessage(commandSocketFD,buffer); |
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| 398 | radioInfo->numObservables = atoi(buffer); |
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| 399 | |
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[224] | 400 | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
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[218] | 401 | memset(buffer, 0, 256); |
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| 402 | ReadMessage(commandSocketFD,buffer); |
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| 403 | oList[i].name = std::string(buffer); |
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| 404 | |
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| 405 | memset(buffer, 0, 256); |
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| 406 | ReadMessage(commandSocketFD,buffer); |
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| 407 | oList[i].numAffects = atoi(buffer); |
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| 408 | |
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[224] | 409 | for(size_t j = 0; j < oList[i].numAffects; j++) { |
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[218] | 410 | memset(buffer, 0, 256); |
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| 411 | ReadMessage(commandSocketFD,buffer); |
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[224] | 412 | for(size_t k = 0; k < radioInfo->numUtilities; k++) { |
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[218] | 413 | if(uList[k].name == std::string(buffer)){ |
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| 414 | oList[i].affection_list[j].u = &uList[k]; |
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| 415 | break; |
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| 416 | } |
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| 417 | } |
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| 418 | |
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| 419 | memset(buffer, 0, 256); |
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| 420 | ReadMessage(commandSocketFD,buffer); |
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| 421 | oList[i].affection_list[j].relation = std::string(buffer); |
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| 422 | } |
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| 423 | } |
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| 424 | |
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| 425 | SendMessage(commandSocketFD, "receive_config_ack"); |
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[228] | 426 | |
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| 427 | BuildCognitiveEngine(); |
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[218] | 428 | } |
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| 429 | |
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| 430 | void |
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| 431 | CognitiveEngine::ReceiveExperience() |
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| 432 | { |
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| 433 | LOG("Cognitive Engine:: Receiving Experience Report.\n"); |
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| 434 | char buffer[256]; |
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| 435 | uint32_t numberExp; |
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| 436 | |
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| 437 | /* Receive number of experience entries */ |
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| 438 | memset(buffer, 0, 256); |
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| 439 | ReadMessage(commandSocketFD,buffer); |
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| 440 | numberExp = atoi(buffer); |
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| 441 | |
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| 442 | LOG("Cognitive Engine:: Waiting for %i number of entries.\n",numberExp); |
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| 443 | |
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| 444 | SendMessage(commandSocketFD, "receive_exp_ack"); |
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| 445 | } |
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| 446 | |
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[228] | 447 | Parameter* |
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| 448 | CognitiveEngine::GetSolution(Observable *observables, Parameter *currentParameters) |
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[218] | 449 | { |
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| 450 | LOG("Cognitive Engine:: Generating solution.\n"); |
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[228] | 451 | |
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| 452 | char *searchNames[radioInfo->numUtilities]; |
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| 453 | |
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| 454 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 455 | searchNames[i] = (char*)uList[i].name.c_str(); |
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| 456 | } |
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| 457 | |
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| 458 | float searchVals[radioInfo->numUtilities]; |
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| 459 | |
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| 460 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 461 | searchVals[i] = uList[i].target; |
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| 462 | } |
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| 463 | |
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| 464 | uint32_t numberColumns = |
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| 465 | radioInfo->numUtilities + |
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| 466 | radioInfo->numParameters + |
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| 467 | radioInfo->numObservables + 1; |
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| 468 | |
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| 469 | float returnValues[numberColumns]; |
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| 470 | |
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| 471 | int searchOps[radioInfo->numUtilities]; |
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| 472 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 473 | |
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| 474 | /* If the goal is to maximum, set the search operation to |
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| 475 | * return values greater than the target. |
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| 476 | * |
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| 477 | * If the goal is to minimize, set the search operation to |
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| 478 | * return values less than the target. |
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| 479 | */ |
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| 480 | |
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| 481 | if(strcmp(uList[i].goal.c_str(),"max") == 0) { |
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| 482 | searchOps[i] = GT; |
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| 483 | } else if(strcmp(uList[i].goal.c_str(),"min") == 0) { |
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| 484 | searchOps[i] = LT; |
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| 485 | } |
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| 486 | } |
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| 487 | |
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| 488 | /* CBR specific call */ |
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| 489 | uint32_t rc = cbr_search(myCBR, searchNames, searchOps, searchVals, |
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| 490 | radioInfo->numUtilities, returnValues); |
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| 491 | |
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| 492 | if(rc == 0){ |
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| 493 | /* Adapt the returned parameters to meet the objective */ |
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| 494 | |
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| 495 | } else if(rc == 31337){ |
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| 496 | /* No rows in the CBR, pick default parameters */ |
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| 497 | // Currently this is hard coded and implementation specific! |
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| 498 | //returnValues[2] = currentParameters[0].value + 5; |
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| 499 | //returnValues[3] = currentParameters[1].value + 10; |
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| 500 | |
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| 501 | } else { |
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| 502 | WARNING("Cognitive Engine:: Search return an invalid value.\n"); |
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| 503 | } |
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| 504 | |
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| 505 | size_t returnValueIndex = 0; |
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| 506 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 507 | uList[i].value = returnValues[returnValueIndex]; |
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| 508 | returnValueIndex++; |
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| 509 | } |
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| 510 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 511 | pList[i].value = returnValues[returnValueIndex]; |
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| 512 | returnValueIndex++; |
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| 513 | } |
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| 514 | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
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| 515 | oList[i].value = returnValues[returnValueIndex]; |
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| 516 | returnValueIndex++; |
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| 517 | } |
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| 518 | |
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| 519 | // Add row to CBR. |
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| 520 | |
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| 521 | return pList; |
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| 522 | |
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[218] | 523 | } |
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| 524 | |
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[228] | 525 | |
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| 526 | Parameter* |
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| 527 | CognitiveEngine::GetSolution(Observable *observables, Parameter *currentParameters, std::string service) |
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[218] | 528 | { |
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| 529 | LOG("Cognitive Engine:: Generating solution for %s service.\n",service.c_str()); |
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[228] | 530 | |
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| 531 | return pList; |
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[218] | 532 | } |
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| 533 | |
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[228] | 534 | |
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[218] | 535 | void |
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| 536 | CognitiveEngine::ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
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| 537 | Utility *utilities) |
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| 538 | { |
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| 539 | LOG("Cognitive Engine:: Receiving feedback.\n"); |
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| 540 | } |
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| 541 | |
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[228] | 542 | |
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[218] | 543 | void |
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| 544 | CognitiveEngine::ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
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| 545 | Utility *utilities, std::string service) |
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| 546 | { |
---|
| 547 | LOG("Cognitive Engine:: Receiving feedback.\n"); |
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| 548 | } |
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[228] | 549 | |
---|
| 550 | |
---|
| 551 | void |
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| 552 | CognitiveEngine::BuildCognitiveEngine() |
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| 553 | { |
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| 554 | char filename[] = {"ex1"}; |
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| 555 | char tablename[] = {"data"}; |
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| 556 | |
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| 557 | uint32_t numberColumns = |
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| 558 | radioInfo->numUtilities + |
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| 559 | radioInfo->numParameters + |
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| 560 | radioInfo->numObservables + 1; |
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| 561 | |
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| 562 | char *cols[numberColumns]; |
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| 563 | |
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| 564 | size_t columnIndex = 0; |
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| 565 | for (size_t i = 0; i < radioInfo->numUtilities; i++){ |
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| 566 | cols[columnIndex] = (char*)uList[i].name.c_str(); |
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| 567 | columnIndex++; |
---|
| 568 | } |
---|
| 569 | for (size_t i = 0; i < radioInfo->numParameters; i++){ |
---|
| 570 | cols[columnIndex] = (char*)pList[i].name.c_str(); |
---|
| 571 | columnIndex++; |
---|
| 572 | } |
---|
| 573 | for (size_t i = 0; i < radioInfo->numObservables; i++){ |
---|
| 574 | cols[columnIndex] = (char*)oList[i].name.c_str(); |
---|
| 575 | columnIndex++; |
---|
| 576 | } |
---|
| 577 | cols[columnIndex] = "utility"; |
---|
| 578 | |
---|
| 579 | myCBR = cbr_create(filename, tablename, cols, numberColumns); |
---|
| 580 | } |
---|
| 581 | |
---|