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 header exports the declaration for the Cognitive Engine component type. |
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18 | */ |
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19 | |
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20 | #ifndef COGNITIVE_ENGINE_H |
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21 | #define COGNITIVE_ENGINE_H |
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22 | |
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23 | |
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24 | #include "components.h" |
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25 | |
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26 | |
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27 | /* Cognitive Engine class declaration. All public functions are inherited from |
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28 | * parent classes. |
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29 | */ |
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30 | class CognitiveEngine : public Engine |
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31 | { |
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32 | public: |
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33 | CognitiveEngine(); |
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34 | ~CognitiveEngine(); |
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35 | |
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36 | /* Overloaded constructor that creates a cognitive engine object and |
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37 | * connects it to either the shell or an SML, depening on the SML bool. |
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38 | */ |
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39 | CognitiveEngine(const char* serverName, const char* serverPort, \ |
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40 | const bool SML); |
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41 | |
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42 | void SendComponentType(); |
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43 | void ConnectToRemoteComponent(const char* serverName, \ |
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44 | const char* serverPort, const bool SML); |
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45 | void WaitForSignal(); |
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46 | void Shutdown(); |
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47 | void Reset(); |
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48 | void RegisterComponent(); |
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49 | void DeregisterComponent(); |
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50 | |
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51 | void RegisterServices(); |
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52 | void DeregisterServices(); |
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53 | |
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54 | private: |
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55 | /* Receive the transmitted radio configuration from the radio itself |
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56 | * (the CE will not always be local to the radio). |
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57 | */ |
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58 | void ReceiveRadioConfiguration(); |
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59 | |
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60 | /* Receive an 'experience' report from the radio. |
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61 | */ |
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62 | void ReceiveExperience(); |
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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 | */ |
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68 | Parameter *GetSolution(Observable *observables, Parameter *currentParameters); |
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69 | Parameter *GetSolution(Observable *observables, Parameter *currentParameters, \ |
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70 | std::string service); |
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71 | |
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72 | /* Receive a feedback from the radio regarding the performance of a |
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73 | * certain set of parameters, possibly associated with a service. |
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74 | * |
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75 | * Feedback is a single set of performance statistics that is achieved |
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76 | * corresponding to a specific set of transmission parameters. Feedback |
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77 | * helps a Cognitive Engine make better future decisions based upon |
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78 | * more accurate performance statistics. |
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79 | */ |
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80 | void ReceiveFeedback(Observable *observables,\ |
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81 | Parameter *parameters); |
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82 | void ReceiveFeedback(Observable *observables, \ |
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83 | Parameter *parameters, std::string service); |
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84 | |
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85 | |
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86 | /* BuildCognitiveEngine performs the CE implementation specific work |
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87 | * that defines the internals of a CE. For example, a CBR CE engine |
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88 | * would build the case-base reasoner or create the database, a neural |
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89 | * network based CE may perform the initial training, a GA based CE |
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90 | * may build the chromosome structure. |
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91 | */ |
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92 | void BuildCognitiveEngine(); |
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93 | |
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94 | /* The SML_present bool reflects whether or not the remote component |
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95 | * this object is connected to is an SML. If it isn't, then it must be |
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96 | * a shell. The socketFD stores the socket file descriptor for this |
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97 | * connection. |
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98 | */ |
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99 | bool SML_present; |
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100 | int32_t commandSocketFD; |
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101 | |
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102 | // TODO Need a description for these fields. Are these radio utilites, |
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103 | // parameters, and observables global to the whole system? |
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104 | Utility *uList; |
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105 | Parameter *pList; |
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106 | Observable *oList; |
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107 | struct Radio_Info *radioInfo; |
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108 | }; |
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109 | |
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110 | #endif |
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