[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 | |
---|
| 13 | #include "vtcross/libvtcross.h" |
---|
| 14 | #include "vtcross/common.h" |
---|
[222] | 15 | #include "vtcross/debug.h" |
---|
[161] | 16 | |
---|
[222] | 17 | uint32_t |
---|
| 18 | ConnectToRemoteComponent() |
---|
| 19 | { |
---|
| 20 | uint32_t socket; |
---|
| 21 | socket = ClientSocket("localhost", "40000"); |
---|
| 22 | |
---|
| 23 | return socket; |
---|
| 24 | } |
---|
| 25 | |
---|
| 26 | /* Given a certain set of observables, ask the radio to find the optimum radio |
---|
| 27 | * parameters and return them. |
---|
| 28 | * |
---|
| 29 | * TODO I'm a little confused about this function... why would anyone need to |
---|
| 30 | * use this? Shouldn't this be internal to the radio operation? |
---|
| 31 | */ |
---|
| 32 | Parameter* GetOptimalParameters(Observable *radioObservables, uint32_t numObservables) { |
---|
| 33 | uint32_t i,socketfd,numParameters; |
---|
| 34 | char var[50]; |
---|
| 35 | char counter[55]; |
---|
| 36 | char buffer[256]; |
---|
| 37 | |
---|
| 38 | socketfd = ConnectToRemoteComponent(); |
---|
| 39 | SendMessage(socketfd,"request_optimization"); |
---|
| 40 | |
---|
| 41 | /* Get number of observables to send. This information needs to be |
---|
| 42 | * sent to the Cognitive Radio Shell also. |
---|
| 43 | */ |
---|
| 44 | |
---|
| 45 | // Send Observables |
---|
| 46 | sprintf(counter,"%i",numObservables); |
---|
| 47 | SendMessage(socketfd,counter); |
---|
| 48 | for(i = 0; i < numObservables; i++) { |
---|
| 49 | SendMessage(socketfd,radioObservables[i].name.c_str()); |
---|
| 50 | sprintf(var,"%f",radioObservables[i].value); |
---|
| 51 | SendMessage(socketfd,var); |
---|
| 52 | } |
---|
| 53 | |
---|
| 54 | /* Receive Set of Parameters */ |
---|
| 55 | memset(buffer, 0, 256); |
---|
| 56 | ReadMessage(socketfd, buffer); |
---|
| 57 | numParameters = atoi(buffer); |
---|
| 58 | Parameter * pList = new Parameter[numParameters]; |
---|
| 59 | |
---|
| 60 | for(size_t i = 0; i < numParameters; i++) { |
---|
| 61 | memset(buffer, 0, 256); |
---|
| 62 | ReadMessage(socketfd, buffer); |
---|
| 63 | pList[i].name = std::string(buffer); |
---|
| 64 | |
---|
| 65 | memset(buffer, 0, 256); |
---|
| 66 | ReadMessage(socketfd, buffer); |
---|
| 67 | pList[i].value = atof(buffer); |
---|
| 68 | } |
---|
| 69 | |
---|
| 70 | return pList; |
---|
| 71 | } |
---|