1 | // |
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2 | // C++ Implementation: synchronisable |
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3 | // |
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4 | // Description: |
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5 | // |
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6 | // |
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7 | // Author: Oliver Scheuss, (C) 2007 |
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8 | // |
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9 | // Copyright: See COPYING file that comes with this distribution |
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10 | // |
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11 | |
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12 | #include "network/Synchronisable.h" |
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13 | |
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14 | namespace network { |
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15 | |
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16 | Synchronisable::Synchronisable() |
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17 | { |
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18 | registerAllVariables(); |
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19 | } |
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20 | |
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21 | |
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22 | Synchronisable::~Synchronisable() |
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23 | { |
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24 | |
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25 | } |
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26 | |
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27 | void Synchronisable::registerVar(const void *var, int size){ |
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28 | synchronisableVariable temp={size, var}; |
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29 | syncList.push_back(temp); |
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30 | } |
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31 | syncData Synchronisable::getData(){ |
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32 | std::list<synchronisableVariable>::iterator i; |
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33 | int totalsize=0; |
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34 | //figure out size of data to be allocated |
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35 | for(i=syncList.begin(); i!=syncList.end(); i++){ |
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36 | // increase size (size of variable and size of size of variable ;) |
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37 | totalsize+=sizeof(int)+i->size; |
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38 | } |
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39 | syncData retVal; |
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40 | retVal.objectID=this->objectID; |
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41 | retVal.classID=this->classID; |
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42 | retVal.length=totalsize; |
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43 | // allocate memory |
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44 | retVal.data = (unsigned char *)malloc(totalsize); |
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45 | // copy to location |
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46 | //CHANGED: REMOVED DECLARATION int n=0 FROM LOOP |
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47 | int n=0; |
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48 | for(i=syncList.begin(); n<totalsize && i!=syncList.end(); i++){ |
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49 | //CHANGED: i->size TO (const void*)(&(i->size)) memcpy WANTS A CONST VOID* SO CONVERT INT TO CONST VOID* |
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50 | std::memcpy(retVal.data+n, (const void*)(&(i->size)), sizeof(int)); |
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51 | n+=sizeof(int); |
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52 | //CHANGED: i->var TO (const void*)(&(i->var)) SINCE var IS A POINTER, NO & BEFORE i |
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53 | std::memcpy(retVal.data+n, (const void*)(i->var), i->size); |
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54 | n+=i->size; |
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55 | } |
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56 | return retVal; |
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57 | } |
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58 | bool Synchronisable::updateData(syncData vars){ |
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59 | unsigned char *data=vars.data; |
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60 | std::list<synchronisableVariable>::iterator i; |
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61 | for(i=syncList.begin(); i!=syncList.end(); i++){ |
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62 | if((int)*data==i->size){ |
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63 | data+=sizeof(int); |
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64 | //CHANGED: THIS FROM i->var TO (void*)i->var SINCE var IS A CONST VOID* AND memcpy NEEDS A VOID* AS FIRST ARGUMENT |
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65 | memcpy((void*)i->var, data, i->size); |
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66 | data+=i->size; |
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67 | } else |
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68 | return false; //there was some problem with registerVar |
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69 | } |
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70 | } |
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71 | |
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72 | } |
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