[545] | 1 | /* |
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| 2 | Copyright 2009 Virginia Polytechnic Institute and State University |
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| 3 | |
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| 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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| 9 | |
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| 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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| 16 | |
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| 17 | /*! This file provides a default implementation for a case-based-reasoning based |
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| 18 | * cognitive engine. |
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| 19 | */ |
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| 20 | |
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| 21 | #ifndef CBR_CE_H |
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| 22 | #define CBR_CE_H |
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| 23 | |
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| 24 | #include <cstdlib> |
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| 25 | #include <cstring> |
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| 26 | #include <stdint.h> |
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| 27 | #include <cmath> |
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| 28 | #include <string> |
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| 29 | |
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| 30 | #include "vtcross/cbr.h" |
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| 31 | #include "vtcross/cognitive_engine.h" |
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| 32 | #include "vtcross/common.h" |
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| 33 | #include "vtcross/containers.h" |
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| 34 | #include "vtcross/debug.h" |
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| 35 | #include "vtcross/error.h" |
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| 36 | #include "vtcross/socketcomm.h" |
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| 37 | |
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| 38 | |
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| 39 | class CBR_CE : public CognitiveEngine |
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| 40 | { |
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| 41 | public: |
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| 42 | /*! Default constructor. */ |
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| 43 | CBR_CE() : CognitiveEngine(){}; |
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| 44 | |
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| 45 | /*! Default destructor. */ |
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| 46 | ~CBR_CE(){}; |
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| 47 | |
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| 48 | /*! \brief Preferred constructor. |
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| 49 | * |
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| 50 | * Overloaded constructor that creates a cognitive engine object and |
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| 51 | * connects it to either the shell or an SML, depening on the SML bool. |
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| 52 | * |
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| 53 | * The 'numFields' parameter sets how large the parameter, observable, |
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| 54 | * and utility arrays should be upon instantiation. |
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| 55 | */ |
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| 56 | CBR_CE(const char* serverName, const char* serverPort, \ |
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| 57 | const int32_t numFields, const bool SML); |
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| 58 | |
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| 59 | void RegisterServices(); |
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| 60 | void DeregisterServices(); |
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| 61 | |
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| 62 | /*! \brief Request that the CE optimize a set of parameters. |
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| 63 | * |
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| 64 | * Find the most optimal set of transmission parameters given certain |
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| 65 | * observables and possibly a service if the SML component is present |
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| 66 | * and active. */ |
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| 67 | Parameter *GetSolution(Observable *observables, \ |
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| 68 | Parameter *currentParameters); |
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| 69 | Parameter *GetSolution(Observable *observables, \ |
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| 70 | Parameter *currentParameters, std::string service); |
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| 71 | |
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| 72 | /*! \brief Receive feedback from the radio |
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| 73 | * |
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| 74 | * Receive a feedback from the radio regarding the performance of a |
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| 75 | * certain set of parameters, possibly associated with a service. |
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| 76 | * |
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| 77 | * Feedback is a single set of performance statistics that is achieved |
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| 78 | * corresponding to a specific set of transmission parameters. Feedback |
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| 79 | * helps a Cognitive Engine make better future decisions based upon |
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| 80 | * more accurate performance statistics. |
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| 81 | */ |
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| 82 | void ReceiveFeedback(Observable *observables,Parameter *parameters); |
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| 83 | void ReceiveFeedback(Observable *observables, Parameter *parameters, \ |
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| 84 | std::string service); |
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| 85 | |
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| 86 | |
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| 87 | /*! \brief Initialize the CE and prepare it for operation. |
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| 88 | * |
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| 89 | * BuildCognitiveEngine performs the CE implementation specific work |
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| 90 | * that defines the internals of a CE. For example, a CBR CE engine |
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| 91 | * would build the case-base reasoner or create the database, a neural |
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| 92 | * network based CE may perform the initial training, a GA based CE |
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| 93 | * may build the chromosome structure. |
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| 94 | */ |
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| 95 | void BuildCognitiveEngine(); |
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| 96 | |
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| 97 | /*! \brief Each of these functions responds to a specific command. |
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| 98 | * |
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| 99 | * These functions are left principally un-implemented. It is the duty |
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| 100 | * of child classes to implement these functions, as they define the |
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| 101 | * cognitive engine's functionality. |
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| 102 | */ |
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| 103 | void PerformUpdatePerformance(); |
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| 104 | void PerformRequestOptimizationService(); |
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| 105 | void PerformRequestOptimization(); |
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| 106 | void PerformQueryComponentType(); |
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| 107 | void PerformConnectSML(); |
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| 108 | void PerformDisconnectSML(); |
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| 109 | void PerformResetEngineCognitive(); |
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| 110 | void PerformShutdownEngineCognitive(); |
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| 111 | |
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| 112 | CBR *myCBR; |
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| 113 | }; |
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| 114 | |
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| 115 | #endif |
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