[173] | 1 | // |
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| 2 | // C++ Interface: ConnectionManager |
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| 3 | // |
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[285] | 4 | // Description: The Class ConnectionManager manages the servers conenctions to the clients. |
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| 5 | // each connection is provided by a new process. communication between master process and |
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[173] | 6 | // connection processes is provided by ... |
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| 7 | // |
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| 8 | // |
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[196] | 9 | // Author: Oliver Scheuss |
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[173] | 10 | // |
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| 11 | |
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[285] | 12 | #include "ConnectionManager.h" |
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[173] | 13 | |
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[381] | 14 | namespace std{ |
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| 15 | bool operator< (ENetAddress a, ENetAddress b){ |
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| 16 | if(a.host <= b.host) |
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| 17 | return true; |
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| 18 | else |
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| 19 | return false; |
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| 20 | } |
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| 21 | } |
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| 22 | |
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[173] | 23 | namespace network{ |
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[285] | 24 | |
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[196] | 25 | boost::thread_group network_threads; |
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[381] | 26 | |
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[436] | 27 | ConnectionManager::ConnectionManager(ClientInformation *head){ |
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[173] | 28 | quit=false; |
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[196] | 29 | bindAddress.host = ENET_HOST_ANY; |
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[173] | 30 | bindAddress.port = NETWORK_PORT; |
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[436] | 31 | head_ = head; |
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[173] | 32 | } |
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[285] | 33 | |
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[436] | 34 | ConnectionManager::ConnectionManager(int port, std::string address, ClientInformation *head){ |
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[173] | 35 | quit=false; |
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[230] | 36 | enet_address_set_host (& bindAddress, address.c_str()); |
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[173] | 37 | bindAddress.port = NETWORK_PORT; |
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[436] | 38 | head_ = head; |
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[173] | 39 | } |
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[285] | 40 | |
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[436] | 41 | ConnectionManager::ConnectionManager(int port, const char *address, ClientInformation *head){ |
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[230] | 42 | quit=false; |
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| 43 | enet_address_set_host (& bindAddress, address); |
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| 44 | bindAddress.port = NETWORK_PORT; |
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[436] | 45 | head_ = head; |
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[230] | 46 | } |
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[285] | 47 | |
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[204] | 48 | ENetPacket *ConnectionManager::getPacket(ENetAddress &address){ |
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[196] | 49 | if(!buffer.isEmpty()) |
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[204] | 50 | return buffer.pop(address); |
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[196] | 51 | else |
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| 52 | return NULL; |
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[173] | 53 | } |
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[380] | 54 | |
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| 55 | ENetPacket *ConnectionManager::getPacket(int &clientID){ |
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| 56 | ENetAddress address; |
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| 57 | ENetPacket *packet=getPacket(address); |
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[436] | 58 | clientID=head_->findClient(&address)->getID(); |
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[380] | 59 | return packet; |
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| 60 | } |
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[285] | 61 | |
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[196] | 62 | bool ConnectionManager::queueEmpty(){ |
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| 63 | return buffer.isEmpty(); |
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[173] | 64 | } |
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[285] | 65 | |
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[196] | 66 | void ConnectionManager::createListener(){ |
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| 67 | network_threads.create_thread(boost::bind(boost::mem_fn(&ConnectionManager::receiverThread), this)); |
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| 68 | // boost::thread thr(boost::bind(boost::mem_fn(&ConnectionManager::receiverThread), this)); |
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| 69 | return; |
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| 70 | } |
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[285] | 71 | |
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[196] | 72 | bool ConnectionManager::quitListener(){ |
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[173] | 73 | quit=true; |
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[196] | 74 | network_threads.join_all(); |
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[173] | 75 | return true; |
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| 76 | } |
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[285] | 77 | |
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[196] | 78 | bool ConnectionManager::addPacket(ENetPacket *packet, ENetPeer *peer){ |
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[436] | 79 | if(enet_peer_send(peer, head_->findClient(&(peer->address))->getID() , packet)!=0) |
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[196] | 80 | return false; |
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| 81 | return true; |
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| 82 | } |
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[380] | 83 | |
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| 84 | bool ConnectionManager::addPacket(ENetPacket *packet, int clientID){ |
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[436] | 85 | if(enet_peer_send(head_->findClient(clientID)->getPeer(), clientID, packet)!=0) |
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[196] | 86 | return false; |
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[380] | 87 | return true; |
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[196] | 88 | } |
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[380] | 89 | |
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[196] | 90 | bool ConnectionManager::addPacketAll(ENetPacket *packet){ |
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[436] | 91 | for(ClientInformation *i=head_->next(); i!=0; i=i->next()){ |
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| 92 | if(enet_peer_send(i->getPeer(), i->getID(), packet)!=0) |
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[196] | 93 | return false; |
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| 94 | } |
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| 95 | return true; |
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| 96 | } |
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[285] | 97 | |
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[196] | 98 | bool ConnectionManager::sendPackets(ENetEvent *event){ |
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| 99 | if(server==NULL) |
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| 100 | return false; |
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| 101 | if(enet_host_service(server, event, NETWORK_SEND_WAIT)>=0) |
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| 102 | return true; |
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[285] | 103 | else |
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[196] | 104 | return false; |
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| 105 | } |
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[369] | 106 | |
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| 107 | bool ConnectionManager::sendPackets(){ |
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| 108 | ENetEvent event; |
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| 109 | if(server==NULL) |
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| 110 | return false; |
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| 111 | if(enet_host_service(server, &event, NETWORK_SEND_WAIT)>=0) |
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| 112 | return true; |
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| 113 | else |
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| 114 | return false; |
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| 115 | } |
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[285] | 116 | |
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[196] | 117 | void ConnectionManager::receiverThread(){ |
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| 118 | // what about some error-handling here ? |
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| 119 | enet_initialize(); |
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| 120 | atexit(enet_deinitialize); |
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[173] | 121 | ENetEvent event; |
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| 122 | server = enet_host_create(&bindAddress, NETWORK_MAX_CONNECTIONS, 0, 0); |
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[369] | 123 | if(server==NULL){ |
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[173] | 124 | // add some error handling here ========================== |
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| 125 | quit=true; |
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[369] | 126 | return; |
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| 127 | } |
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[285] | 128 | |
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[173] | 129 | while(!quit){ |
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| 130 | if(enet_host_service(server, &event, NETWORK_WAIT_TIMEOUT)<0){ |
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| 131 | // we should never reach this point |
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| 132 | quit=true; |
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| 133 | // add some error handling here ======================== |
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| 134 | } |
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| 135 | switch(event.type){ |
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| 136 | // log handling ================ |
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[196] | 137 | case ENET_EVENT_TYPE_CONNECT: |
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| 138 | addClient(&event); |
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[173] | 139 | break; |
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[196] | 140 | case ENET_EVENT_TYPE_RECEIVE: |
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| 141 | processData(&event); |
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[173] | 142 | break; |
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[196] | 143 | case ENET_EVENT_TYPE_DISCONNECT: |
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[173] | 144 | // add some error/log handling here |
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| 145 | clientDisconnect(event.peer); |
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| 146 | break; |
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[352] | 147 | case ENET_EVENT_TYPE_NONE: |
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| 148 | break; |
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[173] | 149 | } |
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| 150 | } |
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[369] | 151 | disconnectClients(); |
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[173] | 152 | // if we're finishied, destroy server |
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| 153 | enet_host_destroy(server); |
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| 154 | } |
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[369] | 155 | |
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| 156 | void ConnectionManager::disconnectClients(){ |
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| 157 | ENetEvent event; |
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[436] | 158 | ClientInformation *temp = head_->next(); |
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| 159 | while(temp!=0){ |
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| 160 | enet_peer_disconnect(temp->getPeer(), 0); |
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| 161 | temp = temp->next(); |
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| 162 | } |
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| 163 | temp = temp->next(); |
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| 164 | while( temp!=0 && enet_host_service(server, &event, NETWORK_WAIT_TIMEOUT) > 0){ |
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| 165 | switch (event.type) |
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| 166 | { |
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| 167 | case ENET_EVENT_TYPE_NONE: |
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| 168 | case ENET_EVENT_TYPE_CONNECT: |
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| 169 | case ENET_EVENT_TYPE_RECEIVE: |
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| 170 | enet_packet_destroy(event.packet); |
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| 171 | break; |
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| 172 | case ENET_EVENT_TYPE_DISCONNECT: |
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| 173 | delete head_->findClient(&(event.peer->address)); |
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| 174 | temp = temp->next(); |
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| 175 | break; |
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[369] | 176 | } |
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| 177 | } |
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| 178 | return; |
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| 179 | } |
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[285] | 180 | |
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[196] | 181 | bool ConnectionManager::processData(ENetEvent *event){ |
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| 182 | // just add packet to the buffer |
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| 183 | // this can be extended with some preprocessing |
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[204] | 184 | return buffer.push(event); |
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[173] | 185 | } |
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[285] | 186 | |
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[436] | 187 | // bool ConnectionManager::clientDisconnect(ENetPeer *peer){ |
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| 188 | // return clientDisconnect(*peer); |
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| 189 | // } |
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| 190 | |
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| 191 | |
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| 192 | |
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[196] | 193 | bool ConnectionManager::clientDisconnect(ENetPeer *peer){ |
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[436] | 194 | return head_->removeClient(peer); |
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[380] | 195 | return true; |
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| 196 | } |
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[285] | 197 | |
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[196] | 198 | bool ConnectionManager::addClient(ENetEvent *event){ |
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[436] | 199 | ClientInformation *temp = head_->insertBack(new ClientInformation); |
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| 200 | temp->setID(temp->prev()->getID()); |
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| 201 | temp->setPeer(event->peer); |
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[173] | 202 | return true; |
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| 203 | } |
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[380] | 204 | |
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| 205 | int ConnectionManager::getClientID(ENetPeer peer){ |
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[436] | 206 | return getClientID(peer.address); |
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[380] | 207 | } |
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| 208 | |
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| 209 | int ConnectionManager::getClientID(ENetAddress address){ |
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[436] | 210 | return head_->findClient(&address)->getID(); |
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[380] | 211 | } |
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| 212 | |
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[436] | 213 | ENetPeer *ConnectionManager::getClientPeer(int clientID){ |
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| 214 | return head_->findClient(clientID)->getPeer(); |
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[380] | 215 | } |
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| 216 | |
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[400] | 217 | void ConnectionManager::syncClassid(int clientID){ |
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| 218 | int i=0; |
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| 219 | std::string classname; |
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| 220 | bool abort=false; |
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| 221 | orxonox::Identifier *id; |
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| 222 | while(!abort){ |
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| 223 | id = orxonox::ID(i); |
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| 224 | if(id == NULL) |
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| 225 | abort=true; |
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| 226 | else{ |
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| 227 | classname = id->getName(); |
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| 228 | addPacket(packet_gen.clid( i, classname ),clientID); |
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| 229 | } |
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[401] | 230 | ++i; |
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[400] | 231 | } |
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| 232 | sendPackets(); |
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| 233 | } |
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| 234 | |
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[173] | 235 | } |
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