| 1 | /* Virginia Tech Cognitive Radio Open Source Systems |
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| 2 | * Virginia Tech, 2009 |
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| 3 | * |
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| 4 | * LICENSE INFORMATION GOES HERE |
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| 5 | */ |
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| 6 | |
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| 7 | /* TODO description of this file |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef CBR_H |
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| 11 | #define CBR_H |
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| 12 | |
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| 13 | |
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| 14 | #include "sqlite3.h" |
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| 15 | |
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| 16 | |
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| 17 | /* TODO |
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| 18 | */ |
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| 19 | #define DATABASENAME "cactus_cbr" |
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| 20 | |
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| 21 | /* TODO What exactly are these?? They don't appear to ever be used in the actual |
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| 22 | * code? |
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| 23 | */ |
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| 24 | #define EQ 0 // equals |
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| 25 | #define NE 1 // not equals |
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| 26 | #define GT 2 // greater than |
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| 27 | #define GE 3 // greater than or equal to |
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| 28 | #define LT 4 // less than |
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| 29 | #define LE 5 // less than or equal to |
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| 30 | |
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| 31 | |
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| 32 | /* TODO Please explain me. |
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| 33 | */ |
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| 34 | struct cbr_s { |
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| 35 | char filename[64]; |
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| 36 | char tablename[64]; |
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| 37 | char command[2048]; |
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| 38 | sqlite3 *db; |
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| 39 | unsigned int num_columns; |
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| 40 | }; |
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| 41 | |
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| 42 | /* TODO This is a terribly hackish way to go about this. Why not just use actual |
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| 43 | * pointers? Typedefing the pointer out makes the code misleading and hard to |
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| 44 | * understand. |
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| 45 | */ |
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| 46 | typedef cbr_s * cbr; |
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| 47 | |
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| 48 | |
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| 49 | /* TODO I don't think these functions do what you want them to do. The |
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| 50 | * cbr_create is returning an object by value, which means the object that is |
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| 51 | * being malloc'd in the cbr_create function is effectively a memory leak, since |
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| 52 | * you lose the reference to that memory, and instead return a copy of the data |
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| 53 | * in that memory space. |
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| 54 | */ |
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| 55 | cbr cbr_create(char * _filename, char * _tablename, char * _cols[], \ |
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| 56 | unsigned int _len); |
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| 57 | |
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| 58 | void cbr_free(cbr _cbr); |
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| 59 | |
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| 60 | /* Opens a database, or creates a new one if it does not exist, with the name |
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| 61 | * stored within the passed cbr struct object. |
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| 62 | */ |
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| 63 | int OpenDatabase(cbr _cbr); |
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| 64 | |
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| 65 | /* TODO What is this for? |
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| 66 | */ |
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| 67 | int callback(void *notUsed, int argc, char **argv, char **azColName); |
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| 68 | |
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| 69 | /* TODO |
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| 70 | */ |
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| 71 | int ExecuteCommand(cbr _cbr); |
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| 72 | |
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| 73 | /* TODO |
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| 74 | */ |
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| 75 | int ExecuteSearchCommand(cbr _cbr, float *_retvals); |
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| 76 | |
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| 77 | /* TODO |
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| 78 | */ |
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| 79 | void cbr_print(cbr _cbr); |
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| 80 | |
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| 81 | /* TODO |
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| 82 | */ |
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| 83 | int cbr_search(cbr _cbr, char *_names[], int * _ops, float *_vals, \ |
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| 84 | unsigned int _n, float *_retvals); |
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| 85 | |
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| 86 | /* TODO |
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| 87 | */ |
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| 88 | int cbr_add_row(cbr _cbr, char *_cols[], float *_vals, unsigned int _len); |
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| 89 | |
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| 90 | /* TODO |
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| 91 | */ |
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| 92 | int cbr_update(cbr _cbr, char *_where[], char*_set[], float *_wherevals, \ |
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| 93 | float *_setvals, unsigned int _wherelen, unsigned int _setlen); |
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| 94 | |
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| 95 | |
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| 96 | #endif |
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