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 | *(uint32_t*)(data_+sizeof(uint32_t)) = 0; // set nrOfCalls to 0 |
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55 | } |
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56 | |
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57 | FunctionCalls::FunctionCalls( uint8_t* data, unsigned int clientID ) |
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58 | : Packet(data, clientID) |
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59 | { |
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60 | } |
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61 | |
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62 | FunctionCalls::~FunctionCalls() |
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63 | { |
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64 | } |
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65 | |
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66 | |
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67 | bool FunctionCalls::process(){ |
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68 | assert(isDataENetAllocated()); |
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69 | uint8_t* temp = data_+sizeof(uint32_t); //skip packetid |
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70 | this->nrOfCalls_ = *(uint32_t*)temp; |
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71 | temp += sizeof(uint32_t); |
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72 | for( unsigned int i = 0; i<this->nrOfCalls_; i++ ) |
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73 | { |
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74 | uint32_t functionID = *(uint32_t*)temp; |
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75 | bool isStatic = *(uint8_t*)(temp+sizeof(uint32_t)); |
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76 | if( isStatic ) |
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77 | { |
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78 | MultiType mt1, mt2, mt3, mt4, mt5; |
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79 | NetworkFunctionStatic *fct = NetworkFunctionStatic::getFunction( functionID ); |
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80 | uint32_t nrOfArguments = *(uint32_t*)(temp+sizeof(uint32_t)+sizeof(uint8_t)); |
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81 | temp+=2*sizeof(uint32_t)+sizeof(uint8_t); |
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82 | switch(nrOfArguments) |
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83 | { |
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84 | case 0: |
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85 | fct->call(); |
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86 | break; |
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87 | case 1: |
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88 | mt1.importData(temp); |
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89 | fct->call(mt1); |
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90 | break; |
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91 | case 2: |
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92 | mt1.importData(temp); |
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93 | mt2.importData(temp); |
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94 | fct->call(mt1, mt2); |
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95 | break; |
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96 | case 3: |
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97 | mt1.importData(temp); |
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98 | mt2.importData(temp); |
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99 | mt3.importData(temp); |
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100 | fct->call(mt1, mt2, mt3); |
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101 | break; |
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102 | case 4: |
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103 | mt1.importData(temp); |
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104 | mt2.importData(temp); |
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105 | mt3.importData(temp); |
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106 | mt4.importData(temp); |
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107 | fct->call(mt1, mt2, mt3, mt4); |
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108 | break; |
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109 | case 5: |
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110 | mt1.importData(temp); |
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111 | mt2.importData(temp); |
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112 | mt3.importData(temp); |
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113 | mt4.importData(temp); |
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114 | mt5.importData(temp); |
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115 | fct->call(mt1, mt2, mt3, mt4, mt5); |
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116 | break; |
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117 | default: |
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118 | assert(0); |
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119 | } |
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120 | } |
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121 | else // not a static function, so also handle the objectID |
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122 | { |
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123 | MultiType mt1, mt2, mt3, mt4, mt5; |
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124 | NetworkMemberFunctionBase *fct = NetworkMemberFunctionBase::getFunction( functionID ); |
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125 | uint32_t nrOfArguments = *(uint32_t*)(temp+sizeof(uint32_t)+sizeof(uint8_t)); |
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126 | uint32_t objectID = *(uint32_t*)(temp+2*sizeof(uint32_t)+sizeof(uint8_t)); |
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127 | temp+=3*sizeof(uint32_t)+sizeof(uint8_t); |
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128 | switch(nrOfArguments) |
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129 | { |
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130 | case 0: |
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131 | fct->call(objectID); |
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132 | break; |
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133 | case 1: |
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134 | mt1.importData(temp); |
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135 | fct->call(objectID, mt1); |
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136 | break; |
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137 | case 2: |
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138 | mt1.importData(temp); |
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139 | mt2.importData(temp); |
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140 | fct->call(objectID, mt1, mt2); |
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141 | break; |
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142 | case 3: |
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143 | mt1.importData(temp); |
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144 | mt2.importData(temp); |
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145 | mt3.importData(temp); |
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146 | fct->call(objectID, mt1, mt2, mt3); |
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147 | break; |
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148 | case 4: |
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149 | mt1.importData(temp); |
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150 | mt2.importData(temp); |
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151 | mt3.importData(temp); |
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152 | mt4.importData(temp); |
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153 | fct->call(objectID, mt1, mt2, mt3, mt4); |
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154 | break; |
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155 | case 5: |
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156 | mt1.importData(temp); |
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157 | mt2.importData(temp); |
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158 | mt3.importData(temp); |
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159 | mt4.importData(temp); |
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160 | mt5.importData(temp); |
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161 | fct->call(objectID, mt1, mt2, mt3, mt4, mt5); |
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162 | break; |
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163 | default: |
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164 | assert(0); |
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165 | break; |
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166 | } |
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167 | } |
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168 | } |
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169 | delete this; |
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170 | return true; |
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171 | } |
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172 | |
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173 | void FunctionCalls::addCallStatic( uint32_t networkID, const MultiType* mt1, const MultiType* mt2, const MultiType* mt3, const MultiType* mt4, const MultiType* mt5){ |
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174 | assert(!isDataENetAllocated()); |
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175 | |
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176 | // first determine the size that has to be reserved for this call |
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177 | uint32_t callsize = 2*sizeof(uint32_t)+sizeof(uint8_t); //size for network-function-id and nrOfArguments and for bool isStatic |
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178 | uint32_t nrOfArguments = 0; |
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179 | if(mt1) |
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180 | { |
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181 | nrOfArguments++; |
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182 | callsize += mt1->getNetworkSize(); |
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183 | if(mt2) |
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184 | { |
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185 | nrOfArguments++; |
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186 | callsize += mt2->getNetworkSize(); |
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187 | if(mt3) |
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188 | { |
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189 | nrOfArguments++; |
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190 | callsize += mt3->getNetworkSize(); |
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191 | if(mt4) |
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192 | { |
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193 | nrOfArguments++; |
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194 | callsize += mt4->getNetworkSize(); |
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195 | if(mt5) |
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196 | { |
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197 | nrOfArguments++; |
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198 | callsize += mt5->getNetworkSize(); |
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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 | } |
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204 | |
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205 | // now allocated mem if neccessary |
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206 | if( currentSize_ + callsize > currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION ) |
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207 | { |
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208 | currentMemBlocks_ = (currentSize_ + callsize)%FUNCTIONCALLS_MEM_ALLOCATION+1; |
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209 | uint8_t *temp = new uint8_t[currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION]; |
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210 | memcpy( temp, data_, currentSize_ ); |
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211 | delete[] data_; |
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212 | data_ = temp; |
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213 | } |
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214 | |
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215 | // now serialise the mt values and copy the function id and isStatic |
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216 | uint8_t* temp = data_+currentSize_; |
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217 | *(uint32_t*)(data_+sizeof(uint32_t)) = *(uint32_t*)(data_+sizeof(uint32_t))+1; // increase number of calls |
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218 | *(uint32_t*)temp = networkID; |
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219 | *(uint8_t*)(temp+sizeof(uint32_t)) = true; |
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220 | *(uint32_t*)(temp+sizeof(uint32_t)+sizeof(uint8_t)) = nrOfArguments; |
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221 | temp += 2*sizeof(uint32_t)+sizeof(uint8_t); |
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222 | if(mt1) |
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223 | { |
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224 | mt1->exportData( temp ); //temp gets automatically increased |
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225 | if(mt2) |
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226 | { |
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227 | mt2->exportData( temp ); //temp gets automatically increased |
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228 | if(mt3) |
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229 | { |
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230 | mt3->exportData( temp ); //temp gets automatically increased |
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231 | if(mt4) |
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232 | { |
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233 | mt4->exportData( temp ); //temp gets automatically increased |
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234 | if(mt5) |
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235 | { |
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236 | mt5->exportData( temp ); //temp gets automatically increased |
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237 | } |
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238 | } |
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239 | } |
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240 | } |
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241 | } |
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242 | //currentSize_ += callsize; |
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243 | currentSize_ = temp-data_; |
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244 | |
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245 | } |
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246 | |
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247 | void FunctionCalls::addCallMember( uint32_t networkID, uint32_t objectID, const MultiType* mt1, const MultiType* mt2, const MultiType* mt3, const MultiType* mt4, const MultiType* mt5){ |
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248 | assert(!isDataENetAllocated()); |
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249 | |
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250 | // first determine the size that has to be reserved for this call |
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251 | uint32_t callsize = 3*sizeof(uint32_t)+sizeof(uint8_t); //size for network-function-id and nrOfArguments and the objectID |
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252 | uint32_t nrOfArguments = 0; |
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253 | if(mt1) |
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254 | { |
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255 | nrOfArguments++; |
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256 | callsize += mt1->getNetworkSize(); |
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257 | if(mt2) |
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258 | { |
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259 | nrOfArguments++; |
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260 | callsize += mt2->getNetworkSize(); |
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261 | if(mt3) |
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262 | { |
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263 | nrOfArguments++; |
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264 | callsize += mt3->getNetworkSize(); |
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265 | if(mt4) |
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266 | { |
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267 | nrOfArguments++; |
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268 | callsize += mt4->getNetworkSize(); |
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269 | if(mt5) |
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270 | { |
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271 | nrOfArguments++; |
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272 | callsize += mt5->getNetworkSize(); |
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273 | } |
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274 | } |
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275 | } |
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276 | } |
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277 | } |
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278 | |
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279 | // now allocated mem if neccessary |
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280 | if( currentSize_ + callsize > currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION ) |
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281 | { |
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282 | currentMemBlocks_ = (currentSize_ + callsize)%FUNCTIONCALLS_MEM_ALLOCATION+1; |
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283 | uint8_t *temp = new uint8_t[currentMemBlocks_*FUNCTIONCALLS_MEM_ALLOCATION]; |
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284 | memcpy( temp, data_, currentSize_ ); |
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285 | delete[] data_; |
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286 | data_ = temp; |
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287 | } |
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288 | |
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289 | // now serialise the mt values and copy the function id |
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290 | uint8_t* temp = data_+currentSize_; |
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291 | *(uint32_t*)(data_+sizeof(uint32_t)) = *(uint32_t*)(data_+sizeof(uint32_t))+1; // increase number of calls |
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292 | *(uint32_t*)temp = networkID; |
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293 | *(uint8_t*)(temp+sizeof(uint32_t)) = false; |
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294 | *(uint32_t*)(temp+sizeof(uint32_t)+sizeof(uint8_t)) = nrOfArguments; |
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295 | *(uint32_t*)(temp+2*sizeof(uint32_t)+sizeof(uint8_t)) = objectID; |
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296 | temp += 3*sizeof(uint32_t)+sizeof(uint8_t); |
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297 | if(mt1) |
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298 | { |
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299 | mt1->exportData( temp ); //temp gets automatically increased |
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300 | if(mt2) |
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301 | { |
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302 | mt2->exportData( temp ); //temp gets automatically increased |
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303 | if(mt3) |
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304 | { |
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305 | mt3->exportData( temp ); //temp gets automatically increased |
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306 | if(mt4) |
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307 | { |
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308 | mt4->exportData( temp ); //temp gets automatically increased |
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309 | if(mt5) |
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310 | { |
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311 | mt5->exportData( temp ); //temp gets automatically increased |
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312 | } |
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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 | currentSize_ += callsize; |
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318 | |
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319 | } |
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320 | |
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321 | |
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322 | } //namespace packet |
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323 | } //namespace orxonox |
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