[2052] | 1 | /* |
---|
| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
---|
| 3 | * > www.orxonox.net < |
---|
| 4 | * |
---|
| 5 | * |
---|
| 6 | * License notice: |
---|
| 7 | * |
---|
| 8 | * This program is free software; you can redistribute it and/or |
---|
| 9 | * modify it under the terms of the GNU General Public License |
---|
| 10 | * as published by the Free Software Foundation; either version 2 |
---|
| 11 | * of the License, or (at your option) any later version. |
---|
| 12 | * |
---|
| 13 | * This program is distributed in the hope that it will be useful, |
---|
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
---|
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
---|
| 16 | * GNU General Public License for more details. |
---|
| 17 | * |
---|
| 18 | * You should have received a copy of the GNU General Public License |
---|
| 19 | * along with this program; if not, write to the Free Software |
---|
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
---|
| 21 | * |
---|
| 22 | * Author: |
---|
| 23 | * Oliver Scheuss <scheusso [at] ee.ethz.ch>, (C) 2008 |
---|
| 24 | * Co-authors: |
---|
| 25 | * ... |
---|
| 26 | * |
---|
| 27 | */ |
---|
| 28 | |
---|
| 29 | #include "TrafficControl.h" |
---|
| 30 | |
---|
| 31 | #include <cassert> |
---|
[2334] | 32 | #include <boost/bind.hpp> |
---|
[2348] | 33 | #include "Synchronisable.h" |
---|
| 34 | #include "ClientInformation.h" |
---|
[2052] | 35 | |
---|
| 36 | namespace network { |
---|
| 37 | |
---|
[2230] | 38 | /** |
---|
| 39 | *Initializing protected members |
---|
| 40 | */ |
---|
[2334] | 41 | TrafficControl *TrafficControl::instance_=0; |
---|
[2332] | 42 | |
---|
| 43 | /** |
---|
| 44 | * @brief Constructor: assures that only one reference will be created and sets the pointer |
---|
| 45 | */ |
---|
| 46 | TrafficControl::TrafficControl() |
---|
| 47 | { |
---|
| 48 | assert(instance_=0); |
---|
| 49 | instance_=this; |
---|
[2341] | 50 | targetSize = 5000;//5000bytes |
---|
[2332] | 51 | } |
---|
| 52 | |
---|
| 53 | /** |
---|
| 54 | * @brief Destructor: resets the instance pointer to 0 |
---|
| 55 | */ |
---|
| 56 | TrafficControl::~TrafficControl() |
---|
| 57 | { |
---|
| 58 | //was macht das genau? da instance ja gleich this ist im moment |
---|
| 59 | instance_=0; |
---|
| 60 | //muss ich alles deallozieren was ich im constructor aufgebaut habe? |
---|
| 61 | } |
---|
[2052] | 62 | |
---|
| 63 | /** |
---|
[2230] | 64 | *Definition of public members |
---|
| 65 | */ |
---|
[2052] | 66 | |
---|
[2348] | 67 | /** |
---|
| 68 | *eigener sortieralgorithmus |
---|
| 69 | */ |
---|
| 70 | // bool TrafficControl::priodiffer(obj i, obj j) |
---|
| 71 | // { |
---|
| 72 | // std::map<unsigned int, objInfo>::iterator iti; |
---|
| 73 | // std::map<unsigned int, objInfo>::iterator itj; |
---|
| 74 | // iti=listToProcess_.find(i.objID); |
---|
| 75 | // itj=listToProcess_.find(j.objID); |
---|
| 76 | // return iti->second.objValuePerm < itj->second.objValuePerm; |
---|
| 77 | // } |
---|
| 78 | |
---|
| 79 | /** |
---|
| 80 | * eigener sortieralgorithmus |
---|
| 81 | */ |
---|
| 82 | bool TrafficControl::priodiffer(uint32_t clientID, obj i, obj j) |
---|
| 83 | { |
---|
| 84 | assert(clientListPerm_.find(clientID) != clientListPerm_.end()); //make sure the client exists in our list |
---|
| 85 | assert(clientListPerm_[clientID].find(i.objID) != clientListPerm_[clientID].end()); // make sure the object i is in the client list |
---|
| 86 | assert(clientListPerm_[clientID].find(j.objID) != clientListPerm_[clientID].end()); // make sure the object j is in the client list |
---|
| 87 | |
---|
| 88 | return clientListPerm_[clientID][i.objID].objID < clientListPerm_[clientID][j.objID].objID; |
---|
| 89 | } |
---|
[2334] | 90 | |
---|
| 91 | |
---|
| 92 | std::vector<obj>* TrafficControl::processObjectList(unsigned int clientID, unsigned int gamestateID, std::vector<obj> *list) |
---|
[2332] | 93 | { |
---|
| 94 | copiedVector = *list; |
---|
| 95 | currentClientID=clientID; |
---|
| 96 | currentGamestateID=gamestateID; |
---|
[2348] | 97 | evaluateList(clientID, list); |
---|
[2332] | 98 | //list hatte vorher ja vielmehr elemente, nach zuweisung nicht mehr... speicherplatz?? |
---|
[2341] | 99 | *list=copiedVector; |
---|
[2348] | 100 | //später wird copiedVector ja überschrieben, ist das ein problem für list-dh. für gamestatemanager? |
---|
[2332] | 101 | return list; |
---|
| 102 | } |
---|
| 103 | |
---|
[2334] | 104 | void TrafficControl::processAck(unsigned int clientID, unsigned int gamestateID) |
---|
[2332] | 105 | { |
---|
[2348] | 106 | std::vector<obj>::iterator itvec; // iterator to iterate through the acked objects |
---|
| 107 | |
---|
| 108 | //assertions to make sure the maps already exist |
---|
| 109 | assert(clientListTemp_.find(clientID) != clientListTemp_.end() ); |
---|
| 110 | assert(clientListPerm_.find(clientID) != clientListPerm_.end() ); |
---|
| 111 | assert( clientListTemp_[clientID].find(gamestateID) != clientListTemp_[clientID].end() ); |
---|
| 112 | |
---|
| 113 | for(itvec = clientListTemp_[clientID][gamestateID].begin(); itvec != clientListTemp_[clientID][gamestateID].end(); itvec++) |
---|
[2341] | 114 | { |
---|
[2348] | 115 | if(clientListPerm_[clientID].find((*itvec).objID) != clientListPerm_[clientID].end()) // check whether the obj already exists in our lists |
---|
[2341] | 116 | { |
---|
[2348] | 117 | clientListPerm_[clientID][(*itvec).objID].objID = gamestateID; |
---|
[2341] | 118 | } |
---|
[2348] | 119 | else |
---|
| 120 | { |
---|
| 121 | clientListPerm_[clientID][(*itvec).objID].objCurGS = gamestateID; |
---|
| 122 | clientListPerm_[clientID][(*itvec).objID].objID = (*itvec).objID; |
---|
| 123 | clientListPerm_[clientID][(*itvec).objID].objCreatorID = (*itvec).objCreatorID; |
---|
| 124 | clientListPerm_[clientID][(*itvec).objID].objSize = (*itvec).objSize; |
---|
| 125 | } |
---|
[2332] | 126 | } |
---|
[2341] | 127 | // remove temporary vector (with acked objects) from the map |
---|
[2348] | 128 | clientListTemp_[clientID].erase( clientListTemp_[clientID].find(gamestateID) ); |
---|
[2332] | 129 | } |
---|
[2230] | 130 | |
---|
| 131 | /** |
---|
| 132 | *Definition of private members |
---|
| 133 | */ |
---|
[2332] | 134 | |
---|
| 135 | |
---|
| 136 | /** |
---|
| 137 | *copyList gets vector of Gamestate Manager and turns it to *listToProcess |
---|
| 138 | */ |
---|
[2348] | 139 | // void TrafficControl::copyList(std::vector<obj> *list) |
---|
| 140 | // { |
---|
| 141 | // std::vector<obj>::iterator itvec; |
---|
| 142 | // for(itvec = (*list).begin(); itvec != (*list).end(); itvec++) |
---|
| 143 | // { |
---|
| 144 | // objInfo objectA; |
---|
| 145 | // objectA.objCreatorID=(*itvec).objCreatorID; |
---|
| 146 | // objectA.objSize = (*itvec).objSize; |
---|
| 147 | // listToProcess_.insert(std::pair<currentClientID, map<(*itvec).objID,objectA>>);//unsicher: ob map<...> so richtig ist |
---|
| 148 | // } |
---|
| 149 | // } |
---|
[2332] | 150 | /** |
---|
| 151 | *updateReferenceList compares the sent list by GSmanager with the current *reference list and updates it. |
---|
| 152 | *returns void |
---|
| 153 | */ |
---|
[2348] | 154 | // void TrafficControl::updateReferenceList(std::map<unsigned int, objInfo> *list) |
---|
| 155 | // { |
---|
| 156 | // std::map<unsigned int, Synchronisable*>::iterator itref; |
---|
| 157 | // std::map<unsigned int, objInfo>::iterator itproc; |
---|
| 158 | // for(itproc=listToProcess_.begin(); itproc != listToProcess_.end(); itproc++) |
---|
| 159 | // { |
---|
| 160 | // //itproc->first=objectid that is looked for |
---|
| 161 | // if(referenceList_->find(itproc->first)) |
---|
| 162 | // { |
---|
| 163 | // continue; |
---|
| 164 | // } |
---|
| 165 | // else |
---|
| 166 | // { |
---|
| 167 | // (*referenceList_).insert(pair<unsigned int, Synchronisable*>((*itproc).first,Synchronisable::getSynchronisable((*itproc).first)));//important: how to get adress of an object! |
---|
| 168 | // insertinClientListPerm(currentClientID,itproc->first,itproc->second); |
---|
| 169 | // } |
---|
| 170 | // } |
---|
| 171 | // } |
---|
[2332] | 172 | /** |
---|
| 173 | *updateClientListPerm |
---|
| 174 | *returns void |
---|
| 175 | */ |
---|
[2348] | 176 | void TrafficControl::insertinClientListPerm(unsigned int clientID, obj objinf) |
---|
[2332] | 177 | { |
---|
[2348] | 178 | std::map<unsigned int,std::map<unsigned int, objInfo> >::iterator itperm;//iterator clientListPerm over clientIDs |
---|
| 179 | // itperm = (clientListPerm_).find(clientID); |
---|
| 180 | // assert(itperm != clientListPerm_.end() ); |
---|
| 181 | unsigned int gsid=GAMESTATEID_INITIAL, gsdiff=currentGamestateID, prioperm=Synchronisable::getSynchronisable(objinf.objID)->getPriority(), priomom=0; |
---|
| 182 | clientListPerm_[clientID][objinf.objID] = objInfo(objinf.objID, objinf.objCreatorID,gsid,gsdiff, objinf.objSize,prioperm,priomom); |
---|
| 183 | // itperm->second.insert(std::pair<unsigned int, objInfo>(objid,objinf)); |
---|
| 184 | // permObjPrio_.insert(objid, objinf.objValuePerm); |
---|
[2332] | 185 | } |
---|
| 186 | |
---|
[2348] | 187 | /** |
---|
| 188 | * updateClientListTemp |
---|
| 189 | * takes the shortened vector which will be sent to the gsmanager and puts the *info into clientListTemp |
---|
| 190 | */ |
---|
| 191 | void TrafficControl::updateClientListTemp(std::vector<obj> *list) |
---|
| 192 | { |
---|
| 193 | clientListTemp_[currentClientID][currentGamestateID] = std::vector<obj>(*list); |
---|
| 194 | // std::vector<obj>::iterator itvec; |
---|
| 195 | // std::map<unsigned int,std::map<unsigned int, obj> >::iterator ittemp; |
---|
| 196 | // std::map<unsigned int, obj>::iterator ittempgs; |
---|
| 197 | // ittemp = clientListTemp_.find(currentClientID); |
---|
| 198 | // ittempgs = (*ittemp).find(currentGamestateID); |
---|
| 199 | // for(itvec = list.begin(); itvec!=list.end(), itvec++) |
---|
| 200 | // { |
---|
| 201 | // ittempgs.insert(itvec); |
---|
| 202 | // } |
---|
| 203 | } |
---|
[2340] | 204 | |
---|
[2348] | 205 | /** |
---|
| 206 | *cut |
---|
| 207 | *takes the current vector that has to be returned to the gsmanager and shortens it in criteria of bandwidth of clientID(XY) |
---|
| 208 | */ |
---|
| 209 | void TrafficControl::cut(std::vector<obj> *list, unsigned int targetsize) |
---|
| 210 | { |
---|
| 211 | unsigned int size=0; |
---|
| 212 | std::vector<obj>::iterator itvec; |
---|
| 213 | itvec = list->begin(); |
---|
| 214 | // unsigned int i=0; |
---|
| 215 | for(itvec = list->begin(); itvec != list->end() && size<targetsize; itvec++) |
---|
| 216 | // while(size<targetsize && (itvec!=list.end())) |
---|
| 217 | { |
---|
| 218 | size = size + (*itvec).objSize;//objSize is given in bytes!?? |
---|
| 219 | // i++; |
---|
| 220 | // itvec = list.begin()+i; |
---|
| 221 | } |
---|
| 222 | list->erase(itvec, list->end()); |
---|
| 223 | } |
---|
[2340] | 224 | |
---|
| 225 | |
---|
[2332] | 226 | /** |
---|
| 227 | *evaluateList evaluates whether new obj are there, whether there are things to be updatet and manipulates all this. |
---|
| 228 | */ |
---|
[2348] | 229 | void TrafficControl::evaluateList(unsigned int clientID, std::vector<obj> *list) |
---|
[2332] | 230 | { |
---|
[2348] | 231 | //copyList(list); |
---|
[2332] | 232 | |
---|
| 233 | //now the sorting |
---|
| 234 | |
---|
| 235 | //compare listToProcess vs clientListPerm |
---|
[2348] | 236 | //if listToProcess contains new Objects, add them to clientListPerm |
---|
[2334] | 237 | std::map<unsigned int, objInfo>::iterator itproc; |
---|
[2348] | 238 | std::vector<obj>::iterator itvec; |
---|
[2341] | 239 | std::map<unsigned int, std::map<unsigned int, objInfo> >::iterator itperm; |
---|
[2348] | 240 | // std::map<unsigned int, objInfo>::iterator itpermobj; |
---|
| 241 | unsigned int permprio; |
---|
| 242 | for( itvec=list->begin(); itvec != list->end(); itvec++) |
---|
[2332] | 243 | { |
---|
[2348] | 244 | itperm = clientListPerm_.find(clientID); |
---|
| 245 | if ( clientListPerm_[clientID].find( (*itvec).objID) != clientListPerm_[clientID].end() ) |
---|
| 246 | { |
---|
| 247 | // we already have the object in our map |
---|
| 248 | //obj bleibt in liste und permanente prio wird berechnet |
---|
| 249 | clientListPerm_[clientID][(*itvec).objID].objDiffGS = currentGamestateID - clientListPerm_[clientID][(*itvec).objID].objCurGS; |
---|
| 250 | // ((*itpermobj).second).objDiffGS = ((*itpermobj).second).objCurGS - currentGamestateID; |
---|
| 251 | // permprio = clientListPerm_[clientID][(*itproc).first].objValuePerm; |
---|
| 252 | // itpermprio = (permObjPrio_).find((*itproc).first); |
---|
| 253 | // ((*itpermobj).second).objValuePerm = ((*itpermobj).second).objDiffGS * (*itpermprio).second; |
---|
| 254 | continue;//check next objId |
---|
| 255 | } |
---|
| 256 | else |
---|
| 257 | { |
---|
| 258 | // insert the object into clientListPerm |
---|
| 259 | insertinClientListPerm(clientID,*itvec); |
---|
| 260 | // itpermobj=(*itperm).find((*itproc).first) |
---|
| 261 | // ((*itpermobj).second).objDiffGS = ((*itpermobj).second).objCurGS - currentGamestateID; |
---|
| 262 | // itpermprio = (permObjPrio_).find((*itproc).first); |
---|
| 263 | // ((*itpermobj).second).objValuePerm = ((*itpermobj).second).objDiffGS * (*itpermprio).second; |
---|
| 264 | continue;//check next objId |
---|
| 265 | } |
---|
| 266 | } |
---|
[2332] | 267 | //end compare listToProcess vs clientListPerm |
---|
| 268 | |
---|
[2348] | 269 | //listToProc vs clientListTemp |
---|
| 270 | //TODO: uncomment it again and change some things |
---|
| 271 | /* |
---|
| 272 | std::map<unsigned int, std::map<unsigned int, unsigned int> >::iterator ittemp; |
---|
| 273 | std::map<unsigned int, unsigned int>::iterator ittempgs; |
---|
| 274 | for( itproc=listToProcess_.begin(); itproc != listToProcess_.end();itproc++) |
---|
| 275 | { |
---|
| 276 | ittemp = clientListTemp_->find(currentClientID); |
---|
| 277 | if( ittempgs = (*ittemp).find(currentGamestateID)) |
---|
| 278 | { |
---|
| 279 | if((*itproc).first == (*ittempgs).find((*itproc).first))//ja, dann ist objekt schon in der zu sendenden liste-muss nicht nochmal gesendet werden |
---|
| 280 | { |
---|
| 281 | (listToProcess_).erase (itproc); |
---|
| 282 | } |
---|
| 283 | else |
---|
| 284 | continue; |
---|
[2332] | 285 | } |
---|
[2348] | 286 | else |
---|
| 287 | continue; |
---|
| 288 | }*/ |
---|
| 289 | //end listToProc vs clientListTemp |
---|
| 290 | |
---|
| 291 | //TODO: check whether we need this, cause i don't think so. |
---|
| 292 | //listToProcess contains obj to send now, and since we give gsmanager the copiedvector and not listToProcess shorten copiedvector therefor too. |
---|
| 293 | /*std::vector<obj>::iterator itvec; |
---|
| 294 | for(itvec = copiedVector.begin(); itvec != copiedVector.end(); itvec++) |
---|
| 295 | { |
---|
| 296 | if ( listToProcess_.find(itvec->objID) ) |
---|
| 297 | { |
---|
| 298 | continue;//therefore object wasnt thrown out yet and has to be sent back to gsmanager |
---|
| 299 | } |
---|
| 300 | else |
---|
| 301 | { |
---|
| 302 | copiedVector.remove(itvec); |
---|
| 303 | } |
---|
| 304 | }*/ |
---|
| 305 | //sort copied vector aufgrund der objprioperm in clientlistperm |
---|
| 306 | // use boost bind here because we need to pass a memberfunction to stl sort |
---|
| 307 | sort(list->begin(), list->end(), boost::bind(&TrafficControl::priodiffer, this, clientID, _1, _2) ); |
---|
| 308 | //swappen aufgrund von creator oder ganz rausnehmen!? |
---|
| 309 | for(itvec = list->begin(); itvec != list->end(); itvec++) |
---|
| 310 | { |
---|
| 311 | //TODO: TODO TODO TODO |
---|
| 312 | itproc = (listToProcess_).find((*itvec).objID); |
---|
| 313 | if((*itproc).second.objCreatorID) |
---|
| 314 | { |
---|
| 315 | //vor dem child in copiedvector einfügen, wie? |
---|
| 316 | copiedVector.insert(copiedVector.find((*itproc).first),(*itproc).second.objCreatorID); |
---|
| 317 | } |
---|
| 318 | else continue; |
---|
| 319 | } |
---|
| 320 | //end of sorting |
---|
| 321 | //now the cutting, work the same obj out in processobjectlist and copiedvector, compression rate muss noch festgelegt werden. |
---|
| 322 | cut(copiedVector,targetSize); |
---|
| 323 | //diese Funktion updateClientList muss noch gemacht werden |
---|
| 324 | updateClientListTemp(list); |
---|
| 325 | //end of sorting |
---|
| 326 | } |
---|
[2230] | 327 | |
---|
| 328 | |
---|
| 329 | |
---|
| 330 | |
---|
[2052] | 331 | /* |
---|
| 332 | void bvlabla(vector *a){ |
---|
| 333 | //sort a |
---|
| 334 | vector *cache; |
---|
| 335 | cache = new vector<unsigned int>(*a); |
---|
| 336 | return a; |
---|
| 337 | } |
---|
| 338 | */ |
---|
| 339 | |
---|
| 340 | |
---|
| 341 | }//namespace network |
---|