[2938] | 1 | /* |
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| 2 | * ORXONOX - the hottest 3D action shooter ever to exist |
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| 3 | * > www.orxonox.net < |
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| 4 | * |
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| 5 | * |
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| 6 | * License notice: |
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| 7 | * |
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| 8 | * This program is free software; you can redistribute it and/or |
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| 9 | * modify it under the terms of the GNU General Public License |
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| 10 | * as published by the Free Software Foundation; either version 2 |
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| 11 | * of the License, or (at your option) any later version. |
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| 12 | * |
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| 13 | * This program is distributed in the hope that it will be useful, |
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| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 16 | * GNU General Public License for more details. |
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| 17 | * |
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| 18 | * You should have received a copy of the GNU General Public License |
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| 19 | * along with this program; if not, write to the Free Software |
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| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
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| 21 | * |
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| 22 | * Author: |
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| 23 | * Oliver Scheuss <scheusso [at] ee.ethz.ch>, (C) 2008 |
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| 24 | * Co-authors: |
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| 25 | * ... |
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| 26 | * |
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| 27 | */ |
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| 28 | |
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| 29 | #include "FunctionCalls.h" |
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| 30 | |
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| 31 | #include <enet/enet.h> |
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| 32 | #include <cassert> |
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| 33 | #include <cstring> |
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| 34 | #include "network/Host.h" |
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| 35 | #include "network/NetworkFunction.h" |
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| 36 | #include "util/MultiType.h" |
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| 37 | |
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| 38 | namespace orxonox { |
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| 39 | namespace packet { |
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| 40 | |
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| 41 | #define PACKET_FLAGS_FUNCTIONCALLS ENET_PACKET_FLAG_RELIABLE |
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| 42 | #define _PACKETID 0 |
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| 43 | const unsigned int FUNCTIONCALLS_MEM_ALLOCATION = 1000; |
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| 44 | |
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| 45 | FunctionCalls::FunctionCalls() |
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| 46 | : Packet() |
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| 47 | { |
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| 48 | flags_ = flags_ | PACKET_FLAGS_FUNCTIONCALLS; |
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| 49 | currentSize_ = 2*sizeof(uint32_t); // for packetid and nrOfCalls |
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| 50 | nrOfCalls_ = 0; |
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| 51 | currentMemBlocks_ = 1; |
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| 52 | data_=new uint8_t[ FUNCTIONCALLS_MEM_ALLOCATION ]; |
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| 53 | *(ENUM::Type *)(data_ + _PACKETID ) = ENUM::FunctionCalls; |
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| 54 | } |
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| 55 | |
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| 56 | FunctionCalls::FunctionCalls( uint8_t* data, unsigned int clientID ) |
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| 57 | : Packet(data, clientID) |
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| 58 | { |
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| 59 | } |
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| 60 | |
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| 61 | FunctionCalls::~FunctionCalls() |
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| 62 | { |
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| 63 | } |
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| 64 | |
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| 65 | |
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| 66 | bool FunctionCalls::process(){ |
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| 67 | assert(isDataENetAllocated()); |
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| 68 | uint8_t* temp = data_+sizeof(uint32_t); //skip packetid |
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| 69 | this->nrOfCalls_ = *(uint32_t*)temp; |
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| 70 | temp += sizeof(uint32_t); |
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| 71 | for( unsigned int i = 0; i<this->nrOfCalls_; i++ ) |
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| 72 | { |
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| 73 | uint32_t functionID = *(uint32_t*)temp; |
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| 74 | bool isStatic = NetworkFunctionBase::isStatic( functionID ); |
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| 75 | if( isStatic ) |
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| 76 | { |
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| 77 | MultiType mt1, mt2, mt3, mt4, mt5; |
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| 78 | NetworkFunctionStatic *fct = NetworkFunctionStatic::getFunction( functionID ); |
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| 79 | uint32_t nrOfArguments = *(uint32_t*)(temp+sizeof(uint32_t)); |
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| 80 | temp+=2*sizeof(uint32_t); |
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| 81 | switch(nrOfArguments) |
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| 82 | { |
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| 83 | case 0: |
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| 84 | fct->call(); |
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| 85 | break; |
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| 86 | case 1: |
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| 87 | mt1.importData(temp); |
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| 88 | fct->call(mt1); |
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| 89 | break; |
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| 90 | case 2: |
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| 91 | mt1.importData(temp); |
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| 92 | mt2.importData(temp); |
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| 93 | fct->call(mt1, mt2); |
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| 94 | break; |
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| 95 | case 3: |
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| 96 | mt1.importData(temp); |
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| 97 | mt2.importData(temp); |
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| 98 | mt3.importData(temp); |
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| 99 | fct->call(mt1, mt2, mt3); |
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| 100 | break; |
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| 101 | case 4: |
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| 102 | mt1.importData(temp); |
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| 103 | mt2.importData(temp); |
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| 104 | mt3.importData(temp); |
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| 105 | mt4.importData(temp); |
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| 106 | fct->call(mt1, mt2, mt3, mt4); |
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| 107 | break; |
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| 108 | case 5: |
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| 109 | mt1.importData(temp); |
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| 110 | mt2.importData(temp); |
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| 111 | mt3.importData(temp); |
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| 112 | mt4.importData(temp); |
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| 113 | mt5.importData(temp); |
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| 114 | fct->call(mt1, mt2, mt3, mt4, mt5); |
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| 115 | break; |
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| 116 | default: |
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| 117 | assert(0); |
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| 118 | } |
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| 119 | } |
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| 120 | else // not a static function, so also handle the objectID |
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| 121 | { |
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| 122 | MultiType mt1, mt2, mt3, mt4, mt5; |
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| 123 | NetworkMemberFunctionBase *fct = NetworkMemberFunctionBase::getFunction( functionID ); |
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| 124 | uint32_t nrOfArguments = *(uint32_t*)(temp+sizeof(uint32_t)); |
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| 125 | uint32_t objectID = *(uint32_t*)(temp+2*sizeof(uint32_t)); |
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| 126 | temp+=3*sizeof(uint32_t); |
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| 127 | switch(nrOfArguments) |
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| 128 | { |
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| 129 | case 0: |
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| 130 | fct->call(objectID); |
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| 131 | break; |
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| 132 | case 1: |
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| 133 | mt1.importData(temp); |
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| 134 | fct->call(objectID, mt1); |
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| 135 | break; |
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| 136 | case 2: |
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| 137 | mt1.importData(temp); |
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| 138 | mt2.importData(temp); |
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| 139 | fct->call(objectID, mt1, mt2); |
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| 140 | break; |
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| 141 | case 3: |
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| 142 | mt1.importData(temp); |
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| 143 | mt2.importData(temp); |
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| 144 | mt3.importData(temp); |
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| 145 | fct->call(objectID, mt1, mt2, mt3); |
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| 146 | break; |
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| 147 | case 4: |
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| 148 | mt1.importData(temp); |
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| 149 | mt2.importData(temp); |
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| 150 | mt3.importData(temp); |
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| 151 | mt4.importData(temp); |
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| 152 | fct->call(objectID, mt1, mt2, mt3, mt4); |
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| 153 | break; |
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| 154 | case 5: |
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| 155 | mt1.importData(temp); |
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| 156 | mt2.importData(temp); |
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| 157 | mt3.importData(temp); |
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| 158 | mt4.importData(temp); |
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| 159 | mt5.importData(temp); |
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| 160 | fct->call(objectID, mt1, mt2, mt3, mt4, mt5); |
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| 161 | break; |
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| 162 | default: |
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| 163 | assert(0); |
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| 164 | break; |
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| 165 | } |
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| 166 | } |
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| 167 | } |
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| 168 | return true; |
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| 169 | } |
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| 170 | |
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| 171 | void FunctionCalls::addCallStatic( uint32_t networkID, MultiType* mt1, MultiType* mt2, MultiType* mt3, MultiType* mt4, MultiType* mt5){ |
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| 172 | assert(!isDataENetAllocated()); |
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| 173 | |
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| 174 | // first determine the size that has to be reserved for this call |
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| 175 | uint32_t callsize = 2*sizeof(uint32_t); //size for network-function-id and nrOfArguments |
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| 176 | uint32_t nrOfArguments = 0; |
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| 177 | if(mt1) |
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| 178 | { |
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| 179 | nrOfArguments++; |
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| 180 | callsize += mt1->getNetworkSize(); |
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| 181 | if(mt2) |
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| 182 | { |
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| 183 | nrOfArguments++; |
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| 184 | callsize += mt2->getNetworkSize(); |
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| 185 | if(mt3) |
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| 186 | { |
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| 187 | nrOfArguments++; |
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| 188 | callsize += mt3->getNetworkSize(); |
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| 189 | if(mt4) |
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| 190 | { |
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| 191 | nrOfArguments++; |
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| 192 | callsize += mt4->getNetworkSize(); |
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| 193 | if(mt5) |
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| 194 | { |
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| 195 | nrOfArguments++; |
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| 196 | callsize += mt5->getNetworkSize(); |
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| 197 | } |
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| 198 | } |
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| 199 | } |
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| 200 | } |
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| 201 | } |
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| 202 | |
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| 203 | // now allocated mem if neccessary |
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| 204 | if( currentSize_ + callsize > currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION ) |
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| 205 | { |
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| 206 | currentMemBlocks_ = (currentSize_ + callsize)%FUNCTIONCALLS_MEM_ALLOCATION+1; |
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| 207 | uint8_t *temp = new uint8_t[currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION]; |
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| 208 | memcpy( temp, data_, currentSize_ ); |
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| 209 | delete[] data_; |
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| 210 | data_ = temp; |
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| 211 | } |
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| 212 | |
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| 213 | // now serialise the mt values and copy the function id |
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| 214 | uint8_t* temp = data_+currentSize_; |
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| 215 | *(uint32_t*)(data_+sizeof(uint32_t)) = *(uint32_t*)(data_+sizeof(uint32_t))+1; // increase number of calls |
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| 216 | *(uint32_t*)temp = networkID; |
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| 217 | *(uint32_t*)(temp+sizeof(uint32_t)) = nrOfArguments; |
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| 218 | temp += 2*sizeof(uint32_t); |
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| 219 | if(mt1) |
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| 220 | { |
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| 221 | mt1->exportData( temp ); //temp gets automatically increased |
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| 222 | if(mt2) |
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| 223 | { |
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| 224 | mt2->exportData( temp ); //temp gets automatically increased |
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| 225 | if(mt3) |
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| 226 | { |
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| 227 | mt3->exportData( temp ); //temp gets automatically increased |
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| 228 | if(mt4) |
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| 229 | { |
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| 230 | mt4->exportData( temp ); //temp gets automatically increased |
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| 231 | if(mt5) |
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| 232 | { |
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| 233 | mt5->exportData( temp ); //temp gets automatically increased |
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| 234 | } |
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| 235 | } |
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| 236 | } |
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| 237 | } |
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| 238 | } |
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| 239 | currentSize_ += callsize; |
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| 240 | |
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| 241 | } |
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| 242 | |
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| 243 | void FunctionCalls::addCallMember( uint32_t networkID, uint32_t objectID, MultiType* mt1, MultiType* mt2, MultiType* mt3, MultiType* mt4, MultiType* mt5){ |
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| 244 | assert(!isDataENetAllocated()); |
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| 245 | |
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| 246 | // first determine the size that has to be reserved for this call |
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| 247 | uint32_t callsize = 3*sizeof(uint32_t); //size for network-function-id and nrOfArguments and the objectID |
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| 248 | uint32_t nrOfArguments = 0; |
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| 249 | if(mt1) |
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| 250 | { |
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| 251 | nrOfArguments++; |
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| 252 | callsize += mt1->getNetworkSize(); |
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| 253 | if(mt2) |
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| 254 | { |
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| 255 | nrOfArguments++; |
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| 256 | callsize += mt2->getNetworkSize(); |
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| 257 | if(mt3) |
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| 258 | { |
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| 259 | nrOfArguments++; |
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| 260 | callsize += mt3->getNetworkSize(); |
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| 261 | if(mt4) |
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| 262 | { |
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| 263 | nrOfArguments++; |
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| 264 | callsize += mt4->getNetworkSize(); |
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| 265 | if(mt5) |
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| 266 | { |
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| 267 | nrOfArguments++; |
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| 268 | callsize += mt5->getNetworkSize(); |
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| 269 | } |
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| 270 | } |
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| 271 | } |
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| 272 | } |
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| 273 | } |
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| 274 | |
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| 275 | // now allocated mem if neccessary |
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| 276 | if( currentSize_ + callsize > currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION ) |
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| 277 | { |
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| 278 | currentMemBlocks_ = (currentSize_ + callsize)%FUNCTIONCALLS_MEM_ALLOCATION+1; |
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| 279 | uint8_t *temp = new uint8_t[currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION]; |
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| 280 | memcpy( temp, data_, currentSize_ ); |
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| 281 | delete[] data_; |
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| 282 | data_ = temp; |
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| 283 | } |
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| 284 | |
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| 285 | // now serialise the mt values and copy the function id |
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| 286 | uint8_t* temp = data_+currentSize_; |
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| 287 | *(uint32_t*)(data_+sizeof(uint32_t)) = *(uint32_t*)(data_+sizeof(uint32_t))+1; // increase number of calls |
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| 288 | *(uint32_t*)temp = networkID; |
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| 289 | *(uint32_t*)(temp+sizeof(uint32_t)) = nrOfArguments; |
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| 290 | *(uint32_t*)(temp+2*sizeof(uint32_t)) = objectID; |
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| 291 | temp += 3*sizeof(uint32_t); |
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| 292 | if(mt1) |
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| 293 | { |
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| 294 | mt1->exportData( temp ); //temp gets automatically increased |
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| 295 | if(mt2) |
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| 296 | { |
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| 297 | mt2->exportData( temp ); //temp gets automatically increased |
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| 298 | if(mt3) |
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| 299 | { |
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| 300 | mt3->exportData( temp ); //temp gets automatically increased |
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| 301 | if(mt4) |
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| 302 | { |
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| 303 | mt4->exportData( temp ); //temp gets automatically increased |
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| 304 | if(mt5) |
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| 305 | { |
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| 306 | mt5->exportData( temp ); //temp gets automatically increased |
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| 307 | } |
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| 308 | } |
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| 309 | } |
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| 310 | } |
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| 311 | } |
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| 312 | currentSize_ += callsize; |
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| 313 | |
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| 314 | } |
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| 315 | |
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| 316 | |
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| 317 | } //namespace packet |
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| 318 | } //namespace orxonox |
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