[161] | 1 | /* Virginia Tech Cognitive Radio Open Source Systems |
---|
| 2 | * Virginia Tech, 2009 |
---|
| 3 | * |
---|
| 4 | * LICENSE INFORMATION GOES HERE |
---|
| 5 | */ |
---|
| 6 | |
---|
| 7 | /* Implementation file for the VCROSS Cognitive Radio public API defined in |
---|
| 8 | * include/libvtcross.h. |
---|
| 9 | * |
---|
| 10 | * MORE INFO HERE |
---|
| 11 | */ |
---|
| 12 | |
---|
[226] | 13 | #include <cstdlib> |
---|
| 14 | |
---|
[161] | 15 | #include "vtcross/common.h" |
---|
[222] | 16 | #include "vtcross/debug.h" |
---|
[226] | 17 | #include "vtcross/libvtcross.h" |
---|
[161] | 18 | |
---|
[227] | 19 | |
---|
[222] | 20 | uint32_t |
---|
| 21 | ConnectToRemoteComponent() |
---|
| 22 | { |
---|
[231] | 23 | // TODO why is this hardcoded like this?? |
---|
[232] | 24 | return ClientSocket("localhost", "40000"); |
---|
[222] | 25 | } |
---|
| 26 | |
---|
[231] | 27 | // TODO the following three functions all do exactly the same thing. Why not |
---|
| 28 | // simply combine them? |
---|
[228] | 29 | uint32_t |
---|
[230] | 30 | GetNumObservables() |
---|
| 31 | { |
---|
| 32 | char buffer[256]; |
---|
| 33 | |
---|
[231] | 34 | uint32_t socketfd = ConnectToRemoteComponent(); |
---|
| 35 | SendMessage(socketfd, "get_number_observables"); |
---|
[230] | 36 | |
---|
| 37 | memset(buffer, 0, 256); |
---|
| 38 | ReadMessage(socketfd, buffer); |
---|
[231] | 39 | uint32_t numObservables = atoi(buffer); |
---|
[232] | 40 | |
---|
| 41 | return numObservables; |
---|
[230] | 42 | } |
---|
| 43 | |
---|
| 44 | uint32_t |
---|
| 45 | GetNumUtilities() |
---|
| 46 | { |
---|
| 47 | char buffer[256]; |
---|
| 48 | |
---|
[231] | 49 | uint32_t socketfd = ConnectToRemoteComponent(); |
---|
| 50 | SendMessage(socketfd, "get_number_utilities"); |
---|
[230] | 51 | |
---|
| 52 | memset(buffer, 0, 256); |
---|
| 53 | ReadMessage(socketfd, buffer); |
---|
[231] | 54 | uint32_t numUtilities = atoi(buffer); |
---|
[232] | 55 | |
---|
| 56 | return numUtilities; |
---|
[230] | 57 | } |
---|
| 58 | |
---|
| 59 | uint32_t |
---|
[280] | 60 | SetActiveMission(char * activeMission) |
---|
| 61 | { |
---|
| 62 | char buffer[256]; |
---|
| 63 | |
---|
| 64 | uint32_t socketfd = ConnectToRemoteComponent(); |
---|
| 65 | SendMessage(socketfd, "set_active_mission"); |
---|
| 66 | |
---|
| 67 | SendMessage(socketfd, activeMission); |
---|
| 68 | |
---|
[285] | 69 | //memset(buffer, 0, 256); |
---|
| 70 | //ReadMessage(socketfd, buffer); |
---|
[280] | 71 | |
---|
[285] | 72 | return 1; |
---|
[280] | 73 | } |
---|
| 74 | |
---|
| 75 | uint32_t |
---|
[228] | 76 | GetNumParameters() |
---|
| 77 | { |
---|
| 78 | char buffer[256]; |
---|
[227] | 79 | |
---|
[231] | 80 | uint32_t socketfd = ConnectToRemoteComponent(); |
---|
| 81 | SendMessage(socketfd, "get_number_parameters"); |
---|
[228] | 82 | |
---|
| 83 | memset(buffer, 0, 256); |
---|
| 84 | ReadMessage(socketfd, buffer); |
---|
[231] | 85 | uint32_t numParameters = atoi(buffer); |
---|
[232] | 86 | |
---|
| 87 | return numParameters; |
---|
[228] | 88 | } |
---|
[231] | 89 | // end previous TODO |
---|
[228] | 90 | |
---|
[222] | 91 | /* Given a certain set of observables, ask the radio to find the optimum radio |
---|
| 92 | * parameters and return them. |
---|
| 93 | * |
---|
| 94 | * TODO I'm a little confused about this function... why would anyone need to |
---|
| 95 | * use this? Shouldn't this be internal to the radio operation? |
---|
[227] | 96 | * |
---|
| 97 | * TODO this function is returning a pointer to allocated memory, which is fine, |
---|
| 98 | * but we need to document this and make sure the caller is deallocating the |
---|
| 99 | * memory when it is done using it. |
---|
[222] | 100 | */ |
---|
[231] | 101 | Parameter* |
---|
| 102 | GetOptimalParameters(Observable *radioObservables, uint32_t numObservables, |
---|
[232] | 103 | Parameter *currentParameters, uint32_t numCurrentParameters) |
---|
[231] | 104 | { |
---|
[222] | 105 | char var[50]; |
---|
| 106 | char counter[55]; |
---|
[232] | 107 | char buffer[256]; |
---|
[222] | 108 | |
---|
[227] | 109 | uint32_t socketFD = ConnectToRemoteComponent(); |
---|
| 110 | SendMessage(socketFD, "request_optimization"); |
---|
[222] | 111 | |
---|
| 112 | /* Get number of observables to send. This information needs to be |
---|
| 113 | * sent to the Cognitive Radio Shell also. |
---|
| 114 | */ |
---|
| 115 | |
---|
[231] | 116 | /* Send Observables */ |
---|
[227] | 117 | sprintf(counter, "%i", numObservables); |
---|
| 118 | SendMessage(socketFD, counter); |
---|
| 119 | for(size_t i = 0; i < numObservables; i++) { |
---|
| 120 | SendMessage(socketFD, radioObservables[i].name.c_str()); |
---|
| 121 | sprintf(var, "%f", radioObservables[i].value); |
---|
[232] | 122 | SendMessage(socketFD, var); |
---|
[222] | 123 | } |
---|
| 124 | |
---|
[231] | 125 | /* Send Parameters */ |
---|
[228] | 126 | memset(counter, 0, 55); |
---|
[229] | 127 | sprintf(counter, "%i", numCurrentParameters); |
---|
| 128 | SendMessage(socketFD, counter); |
---|
[232] | 129 | for(size_t i = 0; i < numCurrentParameters; i++) { |
---|
[229] | 130 | SendMessage(socketFD,currentParameters[i].name.c_str()); |
---|
[228] | 131 | sprintf(var,"%f",currentParameters[i].value); |
---|
[232] | 132 | SendMessage(socketFD,var); |
---|
[228] | 133 | } |
---|
[229] | 134 | |
---|
[222] | 135 | /* Receive Set of Parameters */ |
---|
| 136 | memset(buffer, 0, 256); |
---|
[227] | 137 | ReadMessage(socketFD, buffer); |
---|
[231] | 138 | uint32_t numParameters = atoi(buffer); |
---|
[227] | 139 | Parameter *pList = new Parameter[numParameters]; |
---|
[222] | 140 | |
---|
[227] | 141 | for(ssize_t i = 0; i < numParameters; i++) { |
---|
[222] | 142 | memset(buffer, 0, 256); |
---|
[227] | 143 | ReadMessage(socketFD, buffer); |
---|
[222] | 144 | pList[i].name = std::string(buffer); |
---|
| 145 | |
---|
[232] | 146 | memset(buffer, 0, 256); |
---|
[227] | 147 | ReadMessage(socketFD, buffer); |
---|
[222] | 148 | pList[i].value = atof(buffer); |
---|
| 149 | } |
---|
| 150 | |
---|
| 151 | return pList; |
---|
| 152 | } |
---|
[227] | 153 | |
---|
[230] | 154 | bool |
---|
| 155 | UpdateParameterPerformance(Parameter *p, uint32_t numParameters, Observable *o, |
---|
[232] | 156 | uint32_t numObservables) |
---|
[230] | 157 | { |
---|
[232] | 158 | char counter[55]; |
---|
[230] | 159 | char var[50]; |
---|
| 160 | |
---|
| 161 | uint32_t socketFD = ConnectToRemoteComponent(); |
---|
| 162 | SendMessage(socketFD, "update_performance"); |
---|
| 163 | |
---|
| 164 | // Send Parameters |
---|
| 165 | memset(counter, 0, 55); |
---|
| 166 | sprintf(counter, "%i", numParameters); |
---|
| 167 | SendMessage(socketFD, counter); |
---|
[232] | 168 | |
---|
| 169 | for(size_t i = 0; i < numParameters; i++) { |
---|
[231] | 170 | SendMessage(socketFD, p[i].name.c_str()); |
---|
| 171 | sprintf(var, "%f", p[i].value); |
---|
[232] | 172 | SendMessage(socketFD, var); |
---|
[230] | 173 | } |
---|
| 174 | |
---|
[232] | 175 | // Send Observables |
---|
[230] | 176 | sprintf(counter, "%i", numObservables); |
---|
| 177 | SendMessage(socketFD, counter); |
---|
| 178 | for(size_t i = 0; i < numObservables; i++) { |
---|
| 179 | SendMessage(socketFD, o[i].name.c_str()); |
---|
| 180 | sprintf(var, "%f", o[i].value); |
---|
[232] | 181 | SendMessage(socketFD, var); |
---|
[230] | 182 | } |
---|
| 183 | } |
---|
[299] | 184 | |
---|
| 185 | bool ActivateComponent(uint32_t id) { |
---|
| 186 | return 1; |
---|
| 187 | } |
---|
| 188 | bool DeactivateComponent(uint32_t id) { |
---|
| 189 | return 1; |
---|
| 190 | } |
---|
| 191 | bool DisconnectComponent(uint32_t id) { |
---|
| 192 | return 1; |
---|
| 193 | } |
---|
| 194 | |
---|
| 195 | Component* GetComponentInformation(uint32_t id) { |
---|
| 196 | |
---|
| 197 | } |
---|
| 198 | |
---|
| 199 | /* View components currently connected to the radio by id. |
---|
| 200 | * |
---|
| 201 | * TODO Should there be another way to list components? If you have 10 cognitive |
---|
| 202 | * engines, how are you going to know which is which just by id? |
---|
| 203 | */ |
---|
| 204 | uint32_t* GetConnectedCognitiveEngines() { |
---|
| 205 | } |
---|
| 206 | uint32_t* GetConnectedPolicyEngines(){ |
---|
| 207 | } |
---|
| 208 | uint32_t* GetConnectedManagementServiceLayers(){ |
---|
| 209 | } |
---|
| 210 | uint32_t* GetConnectedComponents(){ |
---|
| 211 | } |
---|
| 212 | |
---|
| 213 | |
---|
| 214 | /* View data from the current status of the radio. |
---|
| 215 | * |
---|
| 216 | * This function allows client code to capture radio properties at any certain |
---|
| 217 | * instant. Note, however, that these properties could be changing at very |
---|
| 218 | * rapid rates. There is no guarantee that the return results from these |
---|
| 219 | * functions will still be valid by the time the client code receives them. |
---|
| 220 | */ |
---|
| 221 | Observable* GetRadioObservables() { |
---|
| 222 | } |
---|
| 223 | Parameter* GetRadioParameters(){ |
---|
| 224 | } |
---|
| 225 | Utility* GetRadioUtilities(){ |
---|
| 226 | } |
---|
| 227 | |
---|
| 228 | |
---|
| 229 | /* Parses VTCROSS XML configuration file and uses it to configure the radio. |
---|
| 230 | * |
---|
| 231 | * This function *must* be called when the radio first starts up, and may be |
---|
| 232 | * called at any point after that to reconfigure the radio. |
---|
| 233 | */ |
---|
| 234 | bool ParseRadioConfiguration(){ |
---|
| 235 | } |
---|
| 236 | |
---|
| 237 | |
---|
| 238 | /* Lists current radio configuration options loaded from the configuration XML |
---|
| 239 | * file. |
---|
| 240 | * |
---|
| 241 | * TODO How are we listing these? Are we simply returning them to stdout? |
---|
| 242 | * Logging them? Returning strings? Need to figure this out... |
---|
| 243 | */ |
---|
| 244 | void ListCurrentRadioConfiguration(){ |
---|
| 245 | } |
---|
| 246 | |
---|
| 247 | /* Shut down the radio. |
---|
| 248 | * |
---|
| 249 | * This function will deactivate and disconnect all radio components before |
---|
| 250 | * finally shutting down the shell and stopping radio operations. |
---|
| 251 | */ |
---|
| 252 | bool Shutdown(){ |
---|
| 253 | } |
---|
| 254 | |
---|