[411] | 1 | /* |
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| 2 | Copyright 2009 Virginia Polytechnic Institute and State University |
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[375] | 3 | |
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[411] | 4 | Licensed under the Apache License, Version 2.0 (the "License"); |
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| 5 | you may not use this file except in compliance with the License. |
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| 6 | You may obtain a copy of the License at |
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| 7 | |
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| 8 | http://www.apache.org/licenses/LICENSE-2.0 |
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[375] | 9 | |
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[411] | 10 | Unless required by applicable law or agreed to in writing, software |
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| 11 | distributed under the License is distributed on an "AS IS" BASIS, |
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| 12 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 13 | See the License for the specific language governing permissions and |
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| 14 | limitations under the License. |
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| 15 | */ |
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[375] | 16 | |
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[521] | 17 | /*! This file provides an implemention of a CBR-based CE that works with the |
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| 18 | * provided test scripts and configuration filse. |
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| 19 | */ |
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| 20 | |
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[545] | 21 | #include "DSA_CognitiveEngine.h" |
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[375] | 22 | |
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| 23 | |
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[545] | 24 | using namespace std; |
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[375] | 25 | |
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[391] | 26 | |
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[533] | 27 | DSA_CE::DSA_CE() |
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[375] | 28 | { |
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| 29 | LOG("Creating Cognitive Engine.\n"); |
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| 30 | SML_present = false; |
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| 31 | commandSocketFD = -1; |
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[529] | 32 | srand(time(NULL)); |
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[375] | 33 | } |
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| 34 | |
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| 35 | |
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[533] | 36 | DSA_CE::~DSA_CE() |
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[375] | 37 | { |
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[469] | 38 | delete myCBR; |
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[529] | 39 | |
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[375] | 40 | delete [] pList; |
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| 41 | delete [] oList; |
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| 42 | delete [] uList; |
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| 43 | delete [] radioInfo; |
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| 44 | } |
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| 45 | |
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| 46 | |
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[533] | 47 | DSA_CE::DSA_CE(const char* serverName, const char* serverPort, \ |
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| 48 | const int32_t numFields, const bool SML) \ |
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| 49 | : CognitiveEngine(serverName, serverPort, numFields, SML) |
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[375] | 50 | { |
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| 51 | LOG("Creating Cognitive Engine.\n"); |
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[533] | 52 | srand ( time(NULL) ); |
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[545] | 53 | |
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| 54 | BuildCognitiveEngine(); |
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[375] | 55 | } |
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| 56 | |
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| 57 | |
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[533] | 58 | void |
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| 59 | DSA_CE::RegisterServices() |
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[375] | 60 | { |
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[533] | 61 | LOG("Cognitive Engine:: Registering services.\n"); |
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| 62 | |
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| 63 | SendMessage(commandSocketFD, "register_service"); |
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| 64 | SendMessage(commandSocketFD, "test_srv"); |
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| 65 | |
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| 66 | SendMessage(commandSocketFD, "register_service"); |
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| 67 | SendMessage(commandSocketFD, "test_srv1"); |
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| 68 | |
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| 69 | SendMessage(commandSocketFD, "register_service"); |
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| 70 | SendMessage(commandSocketFD, "test_srv2"); |
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| 71 | |
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| 72 | SendMessage(commandSocketFD, "register_service"); |
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| 73 | SendMessage(commandSocketFD, "test_srv3"); |
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| 74 | |
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[375] | 75 | } |
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| 76 | |
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[533] | 77 | //Combined with deregister component since those two things must happen togeather |
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| 78 | void |
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| 79 | DSA_CE::DeregisterServices() |
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| 80 | { |
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| 81 | LOG("Cognitive Engine:: Deregistering services.\n"); |
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[375] | 82 | |
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[533] | 83 | SendMessage(commandSocketFD, "deregister_service"); |
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| 84 | SendMessage(commandSocketFD, "test_srv"); |
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| 85 | |
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| 86 | SendMessage(commandSocketFD, "deregister_service"); |
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| 87 | SendMessage(commandSocketFD, "test_srv1"); |
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| 88 | |
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| 89 | SendMessage(commandSocketFD, "deregister_service"); |
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| 90 | SendMessage(commandSocketFD, "test_srv2"); |
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| 91 | |
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| 92 | SendMessage(commandSocketFD, "deregister_service"); |
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| 93 | SendMessage(commandSocketFD, "test_srv3"); |
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| 94 | |
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| 95 | } |
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| 96 | |
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| 97 | /* The core of the CE is this function */ |
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| 98 | Parameter* |
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| 99 | DSA_CE::GetSolution(Observable *observables, Parameter *currentParameters) |
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[375] | 100 | { |
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[533] | 101 | LOG("Cognitive Engine:: Generating solution.\n"); |
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[375] | 102 | |
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[533] | 103 | /* Put together the CBR search array */ |
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[375] | 104 | |
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[533] | 105 | uint32_t channel = 0; |
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| 106 | string searchNames[1]; |
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| 107 | string sumSearchName; |
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| 108 | float searchVals[1]; |
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| 109 | float utilArray[(int)pList[0].max]; |
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| 110 | int searchOps[1]; |
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| 111 | uint32_t numberColumns = radioInfo->numUtilities + radioInfo->numParameters + \ |
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| 112 | radioInfo->numObservables + 1; |
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| 113 | |
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| 114 | float returnValues[numberColumns]; |
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| 115 | float sumRetVals[numberColumns]; |
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| 116 | |
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| 117 | // Total sum of utilities in sumRetVals[0] |
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| 118 | |
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| 119 | string channel_name = "channel"; |
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| 120 | string utility_name = "utility"; |
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| 121 | |
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| 122 | for(int32_t i = 0 ; i < pList[0].max ; i++ ) { |
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| 123 | searchNames[0] = pList[0].name; |
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| 124 | searchOps[0] = 0; |
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| 125 | searchVals[0] = i+1; |
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| 126 | |
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| 127 | uint32_t rc = myCBR->Search(searchNames, searchOps, searchVals, |
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| 128 | 1, returnValues); |
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| 129 | |
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| 130 | if(rc == 31337) { |
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| 131 | // No entry - must add |
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[375] | 132 | |
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[533] | 133 | string rowNames[numberColumns]; |
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| 134 | size_t rowIndex = 0; |
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| 135 | for(size_t j = 0; j < radioInfo->numUtilities; j++) { |
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| 136 | rowNames[rowIndex] = uList[j].name; |
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| 137 | rowIndex++; |
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| 138 | } |
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| 139 | for(size_t j = 0; j < radioInfo->numParameters; j++) { |
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| 140 | rowNames[rowIndex] = pList[j].name; |
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| 141 | if(pList[j].name == "channel") |
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| 142 | returnValues[rowIndex] = i+1; |
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| 143 | rowIndex++; |
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| 144 | } |
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| 145 | for(size_t j = 0; j < radioInfo->numObservables; j++) { |
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| 146 | rowNames[rowIndex] = oList[j].name; |
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| 147 | rowIndex++; |
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| 148 | } |
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| 149 | |
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| 150 | rowNames[rowIndex] = utility_name; |
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| 151 | returnValues[rowIndex] = 500; |
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| 152 | |
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| 153 | /* Add the new optimized set to the CBR database */ |
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| 154 | |
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| 155 | myCBR->AddRow(rowNames, returnValues, numberColumns); |
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| 156 | } |
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| 157 | |
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| 158 | utilArray[i] = returnValues[UTILITY]; |
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| 159 | } |
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| 160 | |
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| 161 | printf("Current Channel Utility Scores\n"); |
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| 162 | printf("1: %f\t7: %f\t8: %f\t14: %f\n",utilArray[0],utilArray[1],utilArray[2],utilArray[3]); |
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| 163 | // Get sum of all the channel utilities. |
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| 164 | sumSearchName = utility_name; |
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| 165 | uint32_t rc = myCBR->SearchSum(sumSearchName, sumRetVals); |
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| 166 | |
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| 167 | // Psuedo random channel selection based upon utility. |
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| 168 | int k = rand() % (int)sumRetVals[0]; |
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| 169 | int cdf_total(0); |
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| 170 | |
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| 171 | for ( int i = 0; i < pList[0].max; i++ ) { |
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| 172 | cdf_total += utilArray[i]; |
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| 173 | if(k < cdf_total) { |
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| 174 | channel = i + 1; |
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| 175 | break; |
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| 176 | } |
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| 177 | } |
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[375] | 178 | |
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[533] | 179 | searchNames[0] = pList[0].name; |
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| 180 | searchOps[0] = 0; |
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| 181 | searchVals[0] = channel; |
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| 182 | |
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| 183 | rc = myCBR->Search(searchNames, searchOps, searchVals, |
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| 184 | 1, returnValues); |
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| 185 | |
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| 186 | |
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| 187 | //returnValues[CHANNEL] = rand() % (int)pList[0].max + (int)pList[0].min; |
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| 188 | returnValues[CHANNEL] = channel; |
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| 189 | |
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| 190 | printf("Cognitive Engine:: ..---===***### Channel %i has been selected ###***===---..\n",channel); |
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| 191 | /* Package up the new set of parameters in order to add |
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| 192 | the new entry into the CBR database. */ |
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| 193 | |
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| 194 | size_t returnValueIndex = 0; |
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| 195 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 196 | uList[i].value = returnValues[returnValueIndex]; |
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| 197 | returnValueIndex++; |
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[375] | 198 | } |
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[533] | 199 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 200 | pList[i].value = returnValues[returnValueIndex]; |
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| 201 | returnValueIndex++; |
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[375] | 202 | } |
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[533] | 203 | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
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| 204 | oList[i].value = returnValues[returnValueIndex]; |
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| 205 | returnValueIndex++; |
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| 206 | } |
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| 207 | //returnValues[returnValueIndex] = 0; |
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| 208 | |
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| 209 | string allNames[numberColumns]; |
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| 210 | size_t allNameIndex = 0; |
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| 211 | for(size_t i = 0; i < radioInfo->numUtilities; i++) { |
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| 212 | allNames[allNameIndex] = uList[i].name; |
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| 213 | returnValues[allNameIndex] = uList[i].target; |
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| 214 | allNameIndex++; |
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| 215 | } |
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| 216 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 217 | allNames[allNameIndex] = pList[i].name; |
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| 218 | allNameIndex++; |
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| 219 | } |
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| 220 | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
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| 221 | allNames[allNameIndex] = oList[i].name; |
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| 222 | // returnValues[allNameIndex] = 0; |
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| 223 | allNameIndex++; |
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| 224 | } |
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| 225 | |
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| 226 | allNames[allNameIndex] = utility_name; |
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| 227 | |
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| 228 | /* Add the new optimized set to the CBR database */ |
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| 229 | //myCBR->AddRow(allNames, returnValues, returnValueIndex+1); |
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| 230 | |
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| 231 | |
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| 232 | /* Return the set of new parameter values. */ |
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| 233 | return pList; |
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[375] | 234 | } |
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| 235 | |
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[533] | 236 | |
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| 237 | Parameter* |
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| 238 | DSA_CE::GetSolution(Observable *observables, \ |
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| 239 | Parameter *currentParameters, std::string service) |
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| 240 | { |
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| 241 | LOG("Cognitive Engine:: Generating solution for %s service.\n", service.c_str()); |
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| 242 | |
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| 243 | return pList; |
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| 244 | } |
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| 245 | |
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| 246 | |
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[375] | 247 | void |
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[533] | 248 | DSA_CE::ReceiveFeedback(Observable *observables, Parameter *parameters) |
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[375] | 249 | { |
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| 250 | LOG("Cognitive Engine:: Receiving feedback.\n"); |
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| 251 | |
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| 252 | uint32_t numberColumns = |
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[391] | 253 | radioInfo->numParameters; |
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[375] | 254 | |
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| 255 | uint32_t obsColumns = radioInfo->numObservables + 1; |
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[391] | 256 | uint32_t numberTotalColumns = radioInfo->numUtilities + |
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[533] | 257 | radioInfo->numParameters + |
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| 258 | radioInfo->numObservables + 1; |
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[375] | 259 | |
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| 260 | float valList[numberColumns]; |
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| 261 | float obsVals[numberColumns]; |
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[475] | 262 | string nameList[numberColumns]; |
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| 263 | string obsList[obsColumns]; |
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| 264 | string searchNames[1]; |
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[391] | 265 | float searchVals[1]; |
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| 266 | int searchOps[1]; |
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| 267 | float returnValues[numberTotalColumns]; |
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[375] | 268 | |
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| 269 | size_t columnObsIndex = 0; |
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| 270 | for (size_t i = 0; i < radioInfo->numObservables; i++){ |
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[475] | 271 | obsList[columnObsIndex] = observables[i].name; |
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[375] | 272 | columnObsIndex++; |
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| 273 | } |
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[529] | 274 | obsList[columnObsIndex] = "utility"; |
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[375] | 275 | |
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| 276 | size_t columnIndex = 0; |
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| 277 | for (size_t i = 0; i < radioInfo->numParameters; i++){ |
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[475] | 278 | nameList[columnIndex] = parameters[i].name; |
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[375] | 279 | columnIndex++; |
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| 280 | } |
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| 281 | |
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| 282 | size_t obsValueIndex = 0; |
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| 283 | for(size_t i = 0; i < radioInfo->numObservables; i++) { |
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| 284 | obsVals[obsValueIndex] = observables[i].value; |
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| 285 | obsValueIndex++; |
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| 286 | } |
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| 287 | |
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[391] | 288 | /* Make sure we do not return any entries for the current channel */ |
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| 289 | std::string channel_name = "channel"; |
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[475] | 290 | searchNames[0] = channel_name; |
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[469] | 291 | searchOps[0] = 0; |
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[391] | 292 | searchVals[0] = parameters[0].value; |
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| 293 | |
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| 294 | /* Execute CBR search and put output into returnValues */ |
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[469] | 295 | myCBR->Search(searchNames, searchOps, searchVals, |
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[391] | 296 | 1, returnValues); |
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| 297 | |
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[375] | 298 | /* Calculate Utility */ |
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[391] | 299 | float oldUtilityValue = returnValues[UTILITY]; |
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[511] | 300 | |
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| 301 | |
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| 302 | ////////////////////////////////////////////// |
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| 303 | // |
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| 304 | // BEGIN CORE DSA ALGORITHM UTILITY FUNCTION |
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| 305 | // |
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| 306 | ////////////////////////////////////////////// |
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| 307 | |
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[391] | 308 | // Set DSA utility to take into account both the previously sensed |
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| 309 | // energy and the average communication time. |
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[375] | 310 | |
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[392] | 311 | float newUtilityValue = oldUtilityValue + observables[COMMUNICATION_TIME].value; |
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[391] | 312 | |
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| 313 | // If communication time value is set, we know we need to change channels because of PU. |
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| 314 | // So we should lower the utility for this channel. |
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| 315 | |
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[511] | 316 | int reward = 20; |
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| 317 | int punishment = -100; |
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[513] | 318 | int Detection_Threshold = 10000000; |
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[511] | 319 | |
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[513] | 320 | if((observables[COMMUNICATION_TIME].value != 0) || (observables[ENERGY].value > Detection_Threshold)) { |
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[533] | 321 | printf("Cognitive Engine:: Possible PU Detection - Decrementing Utility. %f %f",observables[COMMUNICATION_TIME].value,observables[ENERGY].value); |
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| 322 | newUtilityValue = newUtilityValue + punishment; |
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[391] | 323 | } else { |
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[533] | 324 | printf("Cognitive Engine:: Scan Mode:: No PU detected - Incrementing Utility."); |
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| 325 | newUtilityValue = newUtilityValue + reward; |
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[375] | 326 | } |
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[391] | 327 | |
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[392] | 328 | if(newUtilityValue <= 100) |
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[533] | 329 | newUtilityValue = 100; |
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[391] | 330 | |
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[514] | 331 | // Put limit on utility score to prevent a positive feedback loop |
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| 332 | if(newUtilityValue >= 800) |
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[533] | 333 | newUtilityValue = 800; |
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[514] | 334 | |
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[375] | 335 | obsVals[obsValueIndex] = newUtilityValue; |
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| 336 | |
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[511] | 337 | ////////////////////////////////////////////// |
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| 338 | // |
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| 339 | // END CORE DSA ALGORITHM UTILITY FUNCTION |
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| 340 | // |
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| 341 | ////////////////////////////////////////////// |
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| 342 | |
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| 343 | |
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[375] | 344 | size_t returnValueIndex = 0; |
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| 345 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
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| 346 | valList[returnValueIndex] = parameters[i].value; |
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| 347 | returnValueIndex++; |
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| 348 | } |
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| 349 | |
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[469] | 350 | myCBR->Update(nameList, obsList, valList, obsVals, |
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[375] | 351 | numberColumns, obsColumns); |
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| 352 | } |
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| 353 | |
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| 354 | |
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| 355 | void |
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[533] | 356 | DSA_CE::ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
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| 357 | std::string service) |
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[375] | 358 | { |
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[533] | 359 | LOG("Cognitive Engine:: Receiving feedback.\n"); |
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| 360 | } |
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[375] | 361 | |
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| 362 | |
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[533] | 363 | void |
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| 364 | DSA_CE::BuildCognitiveEngine() |
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| 365 | { |
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| 366 | string filename = "ex1"; |
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| 367 | string tablename = "data"; |
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[375] | 368 | |
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[533] | 369 | uint32_t numberColumns = radioInfo->numUtilities + radioInfo->numParameters + \ |
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| 370 | radioInfo->numObservables + 1; |
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[375] | 371 | |
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[533] | 372 | string cols[numberColumns]; |
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[375] | 373 | |
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[533] | 374 | size_t columnIndex = 0; |
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| 375 | for (size_t i = 0; i < radioInfo->numUtilities; i++){ |
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| 376 | cols[columnIndex] = uList[i].name; |
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| 377 | columnIndex++; |
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| 378 | } |
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[375] | 379 | |
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[533] | 380 | string paramCols[radioInfo->numParameters]; |
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| 381 | size_t paramColumnIndex = 0; |
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| 382 | // Also need to make parameters the unique key |
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| 383 | for (size_t i = 0; i < radioInfo->numParameters; i++){ |
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| 384 | cols[columnIndex] = pList[i].name; |
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| 385 | paramCols[paramColumnIndex] = pList[i].name; |
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| 386 | columnIndex++; |
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| 387 | paramColumnIndex++; |
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| 388 | } |
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[375] | 389 | |
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[533] | 390 | for (size_t i = 0; i < radioInfo->numObservables; i++){ |
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| 391 | cols[columnIndex] = oList[i].name; |
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| 392 | columnIndex++; |
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| 393 | } |
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[375] | 394 | |
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[533] | 395 | std::string utility_name = "utility"; |
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| 396 | cols[columnIndex] = utility_name; |
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[375] | 397 | |
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[533] | 398 | myCBR = new CBR(filename, tablename, cols, paramCols, numberColumns, radioInfo->numParameters); |
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[375] | 399 | } |
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| 400 | |
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| 401 | |
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| 402 | void |
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[533] | 403 | DSA_CE::PerformUpdatePerformance() |
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[375] | 404 | { |
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[533] | 405 | /* Receive Set of current Parameters */ |
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| 406 | char buffer[256]; |
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| 407 | memset(buffer, 0, 256); |
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| 408 | ReadMessage(commandSocketFD, buffer); |
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| 409 | uint32_t numParameters = atoi(buffer); |
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[375] | 410 | |
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[533] | 411 | Parameter *p = new Parameter[numParameters]; |
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[375] | 412 | |
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[533] | 413 | for(size_t i = 0; i < numParameters; i++) { |
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| 414 | memset(buffer, 0, 256); |
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| 415 | ReadMessage(commandSocketFD, buffer); |
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| 416 | p[i].name = std::string(buffer); |
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[375] | 417 | |
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[533] | 418 | memset(buffer, 0, 256); |
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| 419 | ReadMessage(commandSocketFD, buffer); |
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| 420 | p[i].value = atof(buffer); |
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[375] | 421 | } |
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| 422 | |
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[533] | 423 | /* Receive Set of Observables */ |
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[375] | 424 | memset(buffer, 0, 256); |
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| 425 | ReadMessage(commandSocketFD, buffer); |
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[533] | 426 | uint32_t numObservables = atoi(buffer); |
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[375] | 427 | |
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[533] | 428 | Observable *o = new Observable[numObservables]; |
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[375] | 429 | |
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[533] | 430 | for(size_t i = 0; i < numObservables; i++) { |
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| 431 | memset(buffer, 0, 256); |
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| 432 | ReadMessage(commandSocketFD, buffer); |
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| 433 | o[i].name = std::string(buffer); |
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[375] | 434 | |
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[533] | 435 | memset(buffer, 0, 256); |
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| 436 | ReadMessage(commandSocketFD, buffer); |
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| 437 | o[i].value = atof(buffer); |
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| 438 | } |
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[375] | 439 | |
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[533] | 440 | ReceiveFeedback(o,p); |
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[375] | 441 | |
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[533] | 442 | delete [] o; |
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| 443 | delete [] p; |
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[375] | 444 | } |
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| 445 | |
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[533] | 446 | |
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| 447 | void |
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| 448 | DSA_CE::PerformRequestOptimizationService() |
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[375] | 449 | { |
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[533] | 450 | // THIS IS CURRENTLY IN DEMO MODE |
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[375] | 451 | |
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| 452 | |
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[533] | 453 | /* Receive Set of Observables */ |
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| 454 | LOG("\nCognitive Engine:: Receiving service name\n"); |
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[375] | 455 | |
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[533] | 456 | char buffer[256]; |
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| 457 | memset(buffer, 0, 256); |
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| 458 | ReadMessage(commandSocketFD,buffer); |
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| 459 | LOG("\nCognitive Engine:: Got service name, %s\n", buffer); |
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[375] | 460 | |
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[533] | 461 | /* Receive Set of Observables */ |
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| 462 | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
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[375] | 463 | |
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| 464 | memset(buffer, 0, 256); |
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[533] | 465 | ReadMessage(commandSocketFD,buffer); |
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| 466 | uint32_t numObservables = atoi(buffer); |
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[375] | 467 | |
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[533] | 468 | Observable *o = new Observable[numObservables]; |
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| 469 | |
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| 470 | for(size_t i = 0; i < numObservables; i++) { |
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[375] | 471 | memset(buffer, 0, 256); |
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| 472 | ReadMessage(commandSocketFD, buffer); |
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[533] | 473 | o[i].name = std::string(buffer); |
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[375] | 474 | |
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| 475 | memset(buffer, 0, 256); |
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| 476 | ReadMessage(commandSocketFD, buffer); |
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[533] | 477 | o[i].value = atof(buffer); |
---|
| 478 | } |
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[375] | 479 | |
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[533] | 480 | /* Receive Set of current Parameters */ |
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| 481 | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
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| 482 | |
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[375] | 483 | memset(buffer, 0, 256); |
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| 484 | ReadMessage(commandSocketFD, buffer); |
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[533] | 485 | uint32_t numCurrentParameters = atoi(buffer); |
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[375] | 486 | |
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[533] | 487 | Parameter *cp = new Parameter[numCurrentParameters]; |
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| 488 | |
---|
| 489 | for(size_t i = 0; i < numCurrentParameters; i++) { |
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[375] | 490 | memset(buffer, 0, 256); |
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| 491 | ReadMessage(commandSocketFD, buffer); |
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[533] | 492 | cp[i].name = std::string(buffer); |
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[375] | 493 | |
---|
| 494 | memset(buffer, 0, 256); |
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| 495 | ReadMessage(commandSocketFD, buffer); |
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[533] | 496 | cp[i].value = atof(buffer); |
---|
| 497 | } |
---|
| 498 | LOG("Cognitive Engine:: Processing parameters....\n"); |
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| 499 | |
---|
| 500 | // TODO need to actually do something with the observables here |
---|
| 501 | |
---|
| 502 | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
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| 503 | char numParametersChar[10]; |
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| 504 | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
---|
| 505 | SendMessage(commandSocketFD, numParametersChar); |
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| 506 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
---|
| 507 | SendMessage(commandSocketFD, "test"); |
---|
| 508 | SendMessage(commandSocketFD, "00"); |
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[375] | 509 | } |
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| 510 | |
---|
[533] | 511 | delete [] o; |
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| 512 | delete [] cp; |
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[375] | 513 | } |
---|
| 514 | |
---|
[533] | 515 | |
---|
| 516 | void |
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| 517 | DSA_CE::PerformRequestOptimization() |
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[375] | 518 | { |
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[533] | 519 | /* Receive Set of Observables */ |
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| 520 | LOG("\nCognitive Engine:: Receiving Observable Parameters\n"); |
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| 521 | |
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[375] | 522 | char buffer[256]; |
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[533] | 523 | memset(buffer, 0, 256); |
---|
| 524 | ReadMessage(commandSocketFD,buffer); |
---|
| 525 | uint32_t numObservables = atoi(buffer); |
---|
[375] | 526 | |
---|
[533] | 527 | Observable *o = new Observable[numObservables]; |
---|
[375] | 528 | |
---|
[533] | 529 | for(size_t i = 0; i < numObservables; i++) { |
---|
| 530 | memset(buffer, 0, 256); |
---|
| 531 | ReadMessage(commandSocketFD, buffer); |
---|
| 532 | o[i].name = std::string(buffer); |
---|
[389] | 533 | |
---|
[533] | 534 | memset(buffer, 0, 256); |
---|
| 535 | ReadMessage(commandSocketFD, buffer); |
---|
| 536 | o[i].value = atof(buffer); |
---|
| 537 | } |
---|
[389] | 538 | |
---|
[533] | 539 | /* Receive Set of current Parameters */ |
---|
| 540 | LOG("Cognitive Engine:: Receiving Current Transmission Parameters\n"); |
---|
[375] | 541 | |
---|
[533] | 542 | memset(buffer, 0, 256); |
---|
| 543 | ReadMessage(commandSocketFD, buffer); |
---|
| 544 | uint32_t numCurrentParameters = atoi(buffer); |
---|
[375] | 545 | |
---|
[533] | 546 | Parameter *cp = new Parameter[numCurrentParameters]; |
---|
[375] | 547 | |
---|
[533] | 548 | for(size_t i = 0; i < numCurrentParameters; i++) { |
---|
| 549 | memset(buffer, 0, 256); |
---|
| 550 | ReadMessage(commandSocketFD, buffer); |
---|
| 551 | cp[i].name = std::string(buffer); |
---|
[391] | 552 | |
---|
[533] | 553 | memset(buffer, 0, 256); |
---|
| 554 | ReadMessage(commandSocketFD, buffer); |
---|
| 555 | cp[i].value = atof(buffer); |
---|
| 556 | } |
---|
| 557 | LOG("Cognitive Engine:: Processing parameters....\n"); |
---|
[391] | 558 | |
---|
[533] | 559 | Parameter *solutionSet; |
---|
| 560 | |
---|
| 561 | solutionSet = GetSolution(o,cp); |
---|
[375] | 562 | |
---|
[533] | 563 | // TODO need to actually do something with the observables here |
---|
[391] | 564 | |
---|
[533] | 565 | LOG("Cognitive Engine:: Sending Optimal Parameters to Application.\n"); |
---|
| 566 | char numParametersChar[10]; |
---|
| 567 | char solutionValue[50]; |
---|
| 568 | sprintf(numParametersChar, "%i", radioInfo->numParameters); |
---|
| 569 | SendMessage(commandSocketFD, numParametersChar); |
---|
| 570 | for(size_t i = 0; i < radioInfo->numParameters; i++) { |
---|
| 571 | SendMessage(commandSocketFD, solutionSet[i].name.c_str()); |
---|
| 572 | memset(solutionValue, 0, 50); |
---|
| 573 | sprintf(solutionValue, "%f", solutionSet[i].value); |
---|
| 574 | SendMessage(commandSocketFD, solutionValue); |
---|
[391] | 575 | } |
---|
| 576 | |
---|
[533] | 577 | delete [] o; |
---|
| 578 | delete [] cp; |
---|
| 579 | } |
---|
[375] | 580 | |
---|
[389] | 581 | |
---|
[533] | 582 | void |
---|
| 583 | DSA_CE::PerformQueryComponentType() |
---|
| 584 | { |
---|
| 585 | SendComponentType(); |
---|
| 586 | } |
---|
[391] | 587 | |
---|
| 588 | |
---|
[533] | 589 | void |
---|
| 590 | DSA_CE::PerformConnectSML() |
---|
| 591 | { |
---|
| 592 | /* This command implies that we are disconnecting from the shell and |
---|
| 593 | * connecting to a SML component. */ |
---|
| 594 | char serverName[256]; |
---|
| 595 | char serverPort[256]; |
---|
| 596 | // TODO is this going to end up being too slow? |
---|
| 597 | memset(serverName, 0, 256); |
---|
| 598 | memset(serverPort, 0, 256); |
---|
[391] | 599 | |
---|
[533] | 600 | ReadMessage(commandSocketFD, serverName); |
---|
| 601 | ReadMessage(commandSocketFD, serverPort); |
---|
[509] | 602 | |
---|
[533] | 603 | /* Only continue if we are currently connected to a shell. */ |
---|
| 604 | if(!SML_present) { |
---|
| 605 | DeregisterComponent(); |
---|
[389] | 606 | |
---|
[533] | 607 | shutdown(commandSocketFD, 2); |
---|
| 608 | close(commandSocketFD); |
---|
[375] | 609 | |
---|
[533] | 610 | ConnectToRemoteComponent(serverName, serverPort, true); |
---|
| 611 | } |
---|
| 612 | } |
---|
[375] | 613 | |
---|
| 614 | |
---|
[533] | 615 | void |
---|
| 616 | DSA_CE::PerformDisconnectSML() |
---|
| 617 | { |
---|
| 618 | /* This command implies that we are disconnecting from the SML and |
---|
| 619 | * connecting to a shell component. */ |
---|
| 620 | char serverName[256]; |
---|
| 621 | char serverPort[256]; |
---|
| 622 | // TODO is this going to end up being too slow? |
---|
| 623 | memset(serverName, 0, 256); |
---|
| 624 | memset(serverPort, 0, 256); |
---|
[391] | 625 | |
---|
[533] | 626 | ReadMessage(commandSocketFD, serverName); |
---|
| 627 | ReadMessage(commandSocketFD, serverPort); |
---|
[375] | 628 | |
---|
[533] | 629 | /* We only want to do this if we are actually connected to an SML |
---|
| 630 | * currently. */ |
---|
| 631 | if(SML_present) { |
---|
| 632 | DeregisterServices(); |
---|
[375] | 633 | |
---|
[533] | 634 | shutdown(commandSocketFD, 2); |
---|
| 635 | close(commandSocketFD); |
---|
[375] | 636 | |
---|
[533] | 637 | ConnectToRemoteComponent(serverName, serverPort, false); |
---|
| 638 | } |
---|
[375] | 639 | } |
---|
| 640 | |
---|
| 641 | |
---|
[533] | 642 | void |
---|
| 643 | DSA_CE::PerformResetEngineCognitive() |
---|
[375] | 644 | { |
---|
[533] | 645 | Reset(); |
---|
[375] | 646 | } |
---|
| 647 | |
---|
| 648 | |
---|
| 649 | void |
---|
[533] | 650 | DSA_CE::PerformShutdownEngineCognitive() |
---|
[375] | 651 | { |
---|
[533] | 652 | Shutdown(); |
---|
[375] | 653 | } |
---|
[533] | 654 | |
---|