[1711] | 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, (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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[3214] | 29 | #include "ClassID.h" |
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[1711] | 30 | |
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[3214] | 31 | #include <cassert> |
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| 32 | #include <cstdlib> |
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[1837] | 33 | #include <cstring> |
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[2759] | 34 | #include <map> |
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| 35 | #include <queue> |
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[3214] | 36 | #include <string> |
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[1701] | 37 | |
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[3214] | 38 | #include "core/CoreIncludes.h" |
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| 39 | |
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[2171] | 40 | namespace orxonox { |
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[1701] | 41 | namespace packet { |
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| 42 | |
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[1856] | 43 | |
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[3214] | 44 | #define PACKET_FLAGS_CLASSID PacketFlag::Reliable |
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[2759] | 45 | #define _PACKETID 0 |
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[2669] | 46 | |
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[2759] | 47 | |
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| 48 | ClassID::ClassID( ) : Packet(){ |
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| 49 | Identifier *id; |
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[5929] | 50 | unsigned int nrOfClasses=0; |
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[2759] | 51 | unsigned int packetSize=2*sizeof(uint32_t); //space for the packetID and for the nrofclasses |
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| 52 | uint32_t network_id; |
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[1701] | 53 | flags_ = flags_ | PACKET_FLAGS_CLASSID; |
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[11071] | 54 | std::queue<std::pair<uint32_t, std::string>> tempQueue; |
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[5929] | 55 | |
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[2759] | 56 | //calculate total needed size (for all strings and integers) |
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[11071] | 57 | for(const auto& mapEntry : IdentifierManager::getInstance().getIdentifierByStringMap()){ |
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| 58 | id = mapEntry.second; |
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| 59 | if(id == nullptr || !id->hasFactory()) |
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[2759] | 60 | continue; |
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[6417] | 61 | const std::string& classname = id->getName(); |
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[2759] | 62 | network_id = id->getNetworkID(); |
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| 63 | // now push the network id and the classname to the stack |
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| 64 | tempQueue.push( std::pair<unsigned int, std::string>(network_id, classname) ); |
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| 65 | ++nrOfClasses; |
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[7163] | 66 | packetSize += (classname.size()+1)+sizeof(network_id)+sizeof(uint32_t); |
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[2759] | 67 | } |
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[5929] | 68 | |
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[2759] | 69 | this->data_=new uint8_t[ packetSize ]; |
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| 70 | //set the appropriate packet id |
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| 71 | assert(this->data_); |
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[11071] | 72 | *(Type *)(this->data_ + _PACKETID ) = Type::ClassID; |
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[5929] | 73 | |
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[2759] | 74 | uint8_t *temp=data_+sizeof(uint32_t); |
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| 75 | // save the number of all classes |
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| 76 | *(uint32_t*)temp = nrOfClasses; |
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| 77 | temp += sizeof(uint32_t); |
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[5929] | 78 | |
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[2759] | 79 | // now save all classids and classnames |
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| 80 | std::pair<uint32_t, std::string> tempPair; |
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[7163] | 81 | uint32_t tempsize = 2*sizeof(uint32_t); // packetid and nrOfClasses |
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[2759] | 82 | while( !tempQueue.empty() ){ |
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| 83 | tempPair = tempQueue.front(); |
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| 84 | tempQueue.pop(); |
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| 85 | *(uint32_t*)temp = tempPair.first; |
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| 86 | *(uint32_t*)(temp+sizeof(uint32_t)) = tempPair.second.size()+1; |
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| 87 | memcpy(temp+2*sizeof(uint32_t), tempPair.second.c_str(), tempPair.second.size()+1); |
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| 88 | temp+=2*sizeof(uint32_t)+tempPair.second.size()+1; |
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[7163] | 89 | tempsize+=2*sizeof(uint32_t)+tempPair.second.size()+1; |
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[2759] | 90 | } |
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[7163] | 91 | assert(tempsize==packetSize); |
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[5929] | 92 | |
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[8858] | 93 | orxout(verbose_more, context::packets) << "classid packetSize is " << packetSize << endl; |
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[5929] | 94 | |
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[1701] | 95 | } |
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| 96 | |
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[1907] | 97 | ClassID::ClassID( uint8_t* data, unsigned int clientID ) |
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[1711] | 98 | : Packet(data, clientID) |
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[1701] | 99 | { |
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| 100 | } |
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| 101 | |
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| 102 | ClassID::~ClassID() |
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| 103 | { |
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| 104 | } |
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| 105 | |
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[2759] | 106 | uint32_t ClassID::getSize() const{ |
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| 107 | uint8_t *temp = data_+sizeof(uint32_t); // packet identification |
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| 108 | uint32_t totalsize = sizeof(uint32_t); // packet identification |
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| 109 | uint32_t nrOfClasses = *(uint32_t*)temp; |
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| 110 | temp += sizeof(uint32_t); |
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| 111 | totalsize += sizeof(uint32_t); // storage size for nr of all classes |
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[5929] | 112 | |
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[2759] | 113 | for(unsigned int i=0; i<nrOfClasses; i++){ |
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| 114 | totalsize += 2*sizeof(uint32_t) + *(uint32_t*)(temp + sizeof(uint32_t)); |
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[7163] | 115 | temp += 2*sizeof(uint32_t) + *(uint32_t*)(temp + sizeof(uint32_t)); |
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[2759] | 116 | } |
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| 117 | return totalsize; |
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[1701] | 118 | } |
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| 119 | |
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[2759] | 120 | |
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[7801] | 121 | bool ClassID::process(orxonox::Host* host){ |
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[2759] | 122 | int nrOfClasses; |
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| 123 | uint8_t *temp = data_+sizeof(uint32_t); //skip the packetid |
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| 124 | uint32_t networkID; |
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| 125 | uint32_t stringsize; |
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| 126 | unsigned char *classname; |
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[5929] | 127 | |
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| 128 | |
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| 129 | //clear the map of network ids |
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[9667] | 130 | IdentifierManager::getInstance().clearNetworkIDs(); |
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[5929] | 131 | |
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[8858] | 132 | orxout(verbose, context::packets) << "=== processing classids: " << endl; |
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[2759] | 133 | std::pair<uint32_t, std::string> tempPair; |
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| 134 | Identifier *id; |
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| 135 | // read the total number of classes |
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| 136 | nrOfClasses = *(uint32_t*)temp; |
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| 137 | temp += sizeof(uint32_t); |
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[5929] | 138 | |
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[2759] | 139 | for( int i=0; i<nrOfClasses; i++){ |
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| 140 | networkID = *(uint32_t*)temp; |
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| 141 | stringsize = *(uint32_t*)(temp+sizeof(uint32_t)); |
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| 142 | classname = temp+2*sizeof(uint32_t); |
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| 143 | id=ClassByString( std::string((const char*)classname) ); |
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[8858] | 144 | orxout(internal_info, context::packets) << "processing classid: " << networkID << " name: " << classname << " id: " << id << endl; |
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[11071] | 145 | if(id==nullptr){ |
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[8858] | 146 | orxout(user_error, context::packets) << "Received a bad classname" << endl; |
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[2759] | 147 | abort(); |
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| 148 | } |
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| 149 | id->setNetworkID( networkID ); |
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| 150 | temp += 2*sizeof(uint32_t) + stringsize; |
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| 151 | } |
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[1711] | 152 | delete this; |
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[1701] | 153 | return true; |
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| 154 | } |
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| 155 | |
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[2669] | 156 | |
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[1701] | 157 | } //namespace packet |
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[2171] | 158 | }//namespace orxonox |
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