[1502] | 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) 2007 |
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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 | // |
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| 30 | // C++ Implementation: Server |
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| 31 | // |
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| 32 | // Description: |
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| 33 | // |
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| 34 | // |
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| 35 | // Author: Oliver Scheuss, (C) 2007 |
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| 36 | // |
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| 37 | // Copyright: See COPYING file that comes with this distribution |
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| 38 | // |
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| 39 | // |
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| 40 | |
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| 41 | #include "Server.h" |
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| 42 | |
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| 43 | #include <iostream> |
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| 44 | |
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| 45 | |
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| 46 | #include "ConnectionManager.h" |
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[1735] | 47 | #include "GamestateManager.h" |
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[1502] | 48 | #include "ClientInformation.h" |
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| 49 | #include "util/Sleep.h" |
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| 50 | #include "objects/SpaceShip.h" |
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[1534] | 51 | #include "core/ConsoleCommand.h" |
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[1747] | 52 | #include "core/Iterator.h" |
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[1735] | 53 | #include "packet/Chat.h" |
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| 54 | #include "packet/Packet.h" |
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| 55 | #include "packet/Welcome.h" |
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[1751] | 56 | #include <util/Convert.h> |
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[1502] | 57 | |
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| 58 | namespace network |
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| 59 | { |
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[1534] | 60 | #define MAX_FAILURES 20; |
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| 61 | #define NETWORK_FREQUENCY 30 |
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[1747] | 62 | |
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[1502] | 63 | /** |
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| 64 | * Constructor for default values (bindaddress is set to ENET_HOST_ANY |
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| 65 | * |
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| 66 | */ |
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| 67 | Server::Server() { |
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| 68 | timeSinceLastUpdate_=0; |
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[1735] | 69 | connection = new ConnectionManager(); |
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| 70 | gamestates_ = new GamestateManager(); |
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[1751] | 71 | isServer_ = true; |
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[1502] | 72 | } |
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[1747] | 73 | |
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[1502] | 74 | Server::Server(int port){ |
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| 75 | timeSinceLastUpdate_=0; |
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[1735] | 76 | connection = new ConnectionManager(port); |
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| 77 | gamestates_ = new GamestateManager(); |
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[1751] | 78 | isServer_ = true; |
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[1502] | 79 | } |
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| 80 | |
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| 81 | /** |
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| 82 | * Constructor |
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| 83 | * @param port Port to listen on |
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| 84 | * @param bindAddress Address to listen on |
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| 85 | */ |
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| 86 | Server::Server(int port, std::string bindAddress) { |
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| 87 | timeSinceLastUpdate_=0; |
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[1735] | 88 | connection = new ConnectionManager(port, bindAddress); |
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| 89 | gamestates_ = new GamestateManager(); |
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[1751] | 90 | isServer_ = true; |
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[1502] | 91 | } |
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| 92 | |
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| 93 | /** |
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| 94 | * Constructor |
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| 95 | * @param port Port to listen on |
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| 96 | * @param bindAddress Address to listen on |
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| 97 | */ |
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| 98 | Server::Server(int port, const char *bindAddress) { |
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| 99 | timeSinceLastUpdate_=0; |
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[1735] | 100 | connection = new ConnectionManager(port, bindAddress); |
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| 101 | gamestates_ = new GamestateManager(); |
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[1751] | 102 | isServer_ = true; |
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[1502] | 103 | } |
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| 104 | |
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| 105 | /** |
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| 106 | * This function opens the server by creating the listener thread |
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| 107 | */ |
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| 108 | void Server::open() { |
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| 109 | connection->createListener(); |
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| 110 | return; |
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| 111 | } |
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| 112 | |
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| 113 | /** |
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| 114 | * This function closes the server |
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| 115 | */ |
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| 116 | void Server::close() { |
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| 117 | connection->quitListener(); |
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| 118 | return; |
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| 119 | } |
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| 120 | |
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[1735] | 121 | bool Server::processChat(packet::Chat *message, unsigned int clientID){ |
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| 122 | ClientInformation *temp = ClientInformation::getBegin(); |
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| 123 | while(temp){ |
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| 124 | message->setClientID(temp->getID()); |
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| 125 | if(!message->send()) |
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| 126 | COUT(3) << "could not send Chat message to client ID: " << temp->getID() << std::endl; |
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| 127 | temp = temp->next(); |
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| 128 | } |
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| 129 | return message->process(); |
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| 130 | } |
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[1747] | 131 | |
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[1502] | 132 | /** |
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| 133 | * This function sends out a message to all clients |
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| 134 | * @param msg message |
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| 135 | * @return true/false |
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| 136 | */ |
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[1735] | 137 | bool Server::sendChat(packet::Chat *chat) { |
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| 138 | //TODO: change this (no informations about who wrote a message) |
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| 139 | assert(0); |
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| 140 | ClientInformation *temp = ClientInformation::getBegin(); |
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| 141 | while(temp){ |
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| 142 | chat->setClientID(temp->getID()); |
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| 143 | if(!chat->send()) |
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| 144 | COUT(3) << "could not send Chat message to client ID: " << temp->getID() << std::endl; |
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| 145 | } |
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| 146 | return chat->process();; |
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[1502] | 147 | } |
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| 148 | |
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| 149 | /** |
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| 150 | * This function sends out a message to all clients |
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| 151 | * @param msg message |
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| 152 | * @return true/false |
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| 153 | */ |
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[1735] | 154 | // bool Server::sendChat(const char *msg) { |
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| 155 | // char *message = new char [strlen(msg)+10+1]; |
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| 156 | // sprintf(message, "Player %d: %s", CLIENTID_SERVER, msg); |
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| 157 | // COUT(1) << message << std::endl; |
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| 158 | // ENetPacket *packet = packet_gen.chatMessage(message); |
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| 159 | // COUT(5) <<"Server: adding Packets" << std::endl; |
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| 160 | // return connection->addPacketAll(packet); |
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| 161 | // } |
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[1502] | 162 | |
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| 163 | /** |
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| 164 | * Run this function once every tick |
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| 165 | * calls processQueue and updateGamestate |
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| 166 | * @param time time since last tick |
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| 167 | */ |
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| 168 | void Server::tick(float time) { |
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| 169 | processQueue(); |
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| 170 | //this steers our network frequency |
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| 171 | timeSinceLastUpdate_+=time; |
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| 172 | if(timeSinceLastUpdate_>=(1./NETWORK_FREQUENCY)){ |
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[1548] | 173 | timeSinceLastUpdate_=(float)((int)(timeSinceLastUpdate_*NETWORK_FREQUENCY))/timeSinceLastUpdate_; |
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| 174 | // timeSinceLastUpdate_-=1./NETWORK_FREQUENCY; |
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[1735] | 175 | gamestates_->processGamestates(); |
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[1502] | 176 | updateGamestate(); |
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| 177 | } |
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[1548] | 178 | /*while(timeSinceLastUpdate_>1./NETWORK_FREQUENCY) |
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| 179 | timeSinceLastUpdate_-=1./NETWORK_FREQUENCY;*/ |
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[1502] | 180 | // usleep(5000); // TODO remove |
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| 181 | return; |
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| 182 | } |
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[1747] | 183 | |
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[1735] | 184 | bool Server::queuePacket(ENetPacket *packet, int clientID){ |
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| 185 | return connection->addPacket(packet, clientID); |
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| 186 | } |
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[1502] | 187 | |
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| 188 | /** |
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| 189 | * processes all the packets waiting in the queue |
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| 190 | */ |
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| 191 | void Server::processQueue() { |
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| 192 | ENetEvent *event; |
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| 193 | while(!connection->queueEmpty()){ |
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| 194 | //std::cout << "Client " << clientID << " sent: " << std::endl; |
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| 195 | //clientID here is a reference to grab clientID from ClientInformation |
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| 196 | event = connection->getEvent(); |
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| 197 | if(!event) |
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| 198 | continue; |
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| 199 | assert(event->type != ENET_EVENT_TYPE_NONE); |
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| 200 | switch( event->type ) { |
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| 201 | case ENET_EVENT_TYPE_CONNECT: |
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| 202 | COUT(3) << "processing event_Type_connect" << std::endl; |
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| 203 | addClient(event); |
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| 204 | break; |
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| 205 | case ENET_EVENT_TYPE_DISCONNECT: |
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[1735] | 206 | if(ClientInformation::findClient(&event->peer->address)) |
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[1502] | 207 | disconnectClient(event); |
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| 208 | break; |
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| 209 | case ENET_EVENT_TYPE_RECEIVE: |
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[1735] | 210 | if(!processPacket(event->packet, event->peer)) |
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| 211 | COUT(3) << "processing incoming packet failed" << std::endl; |
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[1502] | 212 | break; |
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[1556] | 213 | default: |
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| 214 | break; |
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[1502] | 215 | } |
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| 216 | delete event; |
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| 217 | //if statement to catch case that packetbuffer is empty |
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| 218 | } |
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| 219 | } |
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| 220 | |
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| 221 | /** |
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| 222 | * takes a new snapshot of the gamestate and sends it to the clients |
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| 223 | */ |
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| 224 | void Server::updateGamestate() { |
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[1735] | 225 | gamestates_->update(); |
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[1534] | 226 | COUT(5) << "Server: one gamestate update complete, goig to sendGameState" << std::endl; |
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[1502] | 227 | //std::cout << "updated gamestate, sending it" << std::endl; |
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| 228 | //if(clients->getGamestateID()!=GAMESTATEID_INITIAL) |
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| 229 | sendGameState(); |
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[1534] | 230 | COUT(5) << "Server: one sendGameState turn complete, repeat in next tick" << std::endl; |
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[1502] | 231 | //std::cout << "sent gamestate" << std::endl; |
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| 232 | } |
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| 233 | |
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[1735] | 234 | bool Server::processPacket( ENetPacket *packet, ENetPeer *peer ){ |
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| 235 | packet::Packet *p = packet::Packet::createPacket(packet, peer); |
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| 236 | return p->process(); |
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| 237 | } |
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[1747] | 238 | |
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[1502] | 239 | /** |
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| 240 | * sends the gamestate |
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| 241 | */ |
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| 242 | bool Server::sendGameState() { |
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| 243 | COUT(5) << "Server: starting function sendGameState" << std::endl; |
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[1735] | 244 | ClientInformation *temp = ClientInformation::getBegin(); |
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[1502] | 245 | bool added=false; |
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| 246 | while(temp != NULL){ |
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| 247 | if( !(temp->getSynched()) ){ |
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| 248 | COUT(5) << "Server: not sending gamestate" << std::endl; |
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| 249 | temp=temp->next(); |
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[1735] | 250 | if(!temp) |
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| 251 | break; |
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[1502] | 252 | //think this works without continue |
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| 253 | continue; |
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| 254 | } |
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[1534] | 255 | COUT(4) << "client id: " << temp->getID() << " RTT: " << temp->getRTT() << " loss: " << temp->getPacketLoss() << std::endl; |
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[1502] | 256 | COUT(5) << "Server: doing gamestate gamestate preparation" << std::endl; |
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| 257 | int gid = temp->getGamestateID(); //get gamestate id |
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| 258 | int cid = temp->getID(); //get client id |
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| 259 | COUT(5) << "Server: got acked (gamestate) ID from clientlist: " << gid << std::endl; |
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[1735] | 260 | packet::Gamestate *gs = gamestates_->popGameState(cid); |
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[1502] | 261 | if(gs==NULL){ |
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| 262 | COUT(2) << "Server: could not generate gamestate (NULL from compress)" << std::endl; |
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| 263 | continue; |
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| 264 | } |
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| 265 | //std::cout << "adding gamestate" << std::endl; |
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[1735] | 266 | gs->setClientID(cid); |
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| 267 | if ( !gs->send() ){ |
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[1747] | 268 | COUT(3) << "Server: packet with client id (cid): " << cid << " not sended: " << temp->getFailures() << std::endl; |
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[1502] | 269 | temp->addFailure(); |
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| 270 | }else |
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| 271 | temp->resetFailures(); |
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| 272 | added=true; |
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| 273 | temp=temp->next(); |
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[1735] | 274 | // gs gets automatically deleted by enet callback |
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[1502] | 275 | } |
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| 276 | /*if(added) { |
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| 277 | //std::cout << "send gamestates from server.cc in sendGameState" << std::endl; |
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| 278 | return connection->sendPackets(); |
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| 279 | }*/ |
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| 280 | //COUT(5) << "Server: had no gamestates to send" << std::endl; |
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| 281 | return true; |
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| 282 | } |
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[1747] | 283 | |
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[1735] | 284 | // void Server::processChat( chat *data, int clientId){ |
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| 285 | // char *message = new char [strlen(data->message)+10+1]; |
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| 286 | // sprintf(message, "Player %d: %s", clientId, data->message); |
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| 287 | // COUT(1) << message << std::endl; |
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| 288 | // ENetPacket *pck = packet_gen.chatMessage(message); |
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| 289 | // connection->addPacketAll(pck); |
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| 290 | // delete[] data->message; |
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| 291 | // delete data; |
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| 292 | // } |
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[1747] | 293 | |
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[1502] | 294 | bool Server::addClient(ENetEvent *event){ |
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[1735] | 295 | ClientInformation *temp = ClientInformation::insertBack(new ClientInformation); |
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[1502] | 296 | if(!temp){ |
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| 297 | COUT(2) << "Server: could not add client" << std::endl; |
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| 298 | return false; |
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| 299 | } |
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[1751] | 300 | if(temp==ClientInformation::getBegin()) { //not good if you use anything else than insertBack |
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[1502] | 301 | temp->setID(1); |
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| 302 | } |
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| 303 | else |
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| 304 | temp->setID(temp->prev()->getID()+1); |
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| 305 | temp->setPeer(event->peer); |
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| 306 | COUT(3) << "Server: added client id: " << temp->getID() << std::endl; |
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| 307 | return createClient(temp->getID()); |
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| 308 | } |
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[1747] | 309 | |
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[1502] | 310 | bool Server::createClient(int clientID){ |
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[1735] | 311 | ClientInformation *temp = ClientInformation::findClient(clientID); |
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[1502] | 312 | if(!temp){ |
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| 313 | COUT(2) << "Conn.Man. could not create client with id: " << clientID << std::endl; |
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| 314 | return false; |
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| 315 | } |
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| 316 | COUT(4) << "Con.Man: creating client id: " << temp->getID() << std::endl; |
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| 317 | connection->syncClassid(temp->getID()); |
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[1534] | 318 | COUT(5) << "creating spaceship for clientid: " << temp->getID() << std::endl; |
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[1502] | 319 | // TODO: this is only a hack, untill we have a possibility to define default player-join actions |
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| 320 | if(!createShip(temp)) |
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| 321 | COUT(2) << "Con.Man. could not create ship for clientid: " << clientID << std::endl; |
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| 322 | else |
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| 323 | COUT(3) << "created spaceship" << std::endl; |
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| 324 | temp->setSynched(true); |
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| 325 | COUT(3) << "sending welcome" << std::endl; |
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[1735] | 326 | packet::Welcome *w = new packet::Welcome(temp->getID(), temp->getShipID()); |
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| 327 | w->setClientID(temp->getID()); |
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| 328 | assert(w->send()); |
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[1751] | 329 | packet::Gamestate *g = new packet::Gamestate(); |
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| 330 | g->setClientID(temp->getID()); |
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| 331 | assert(g->collectData(0)); |
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| 332 | assert(g->compressData()); |
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| 333 | assert(g->send()); |
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[1502] | 334 | return true; |
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| 335 | } |
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[1747] | 336 | |
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[1502] | 337 | bool Server::createShip(ClientInformation *client){ |
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| 338 | if(!client) |
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| 339 | return false; |
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| 340 | orxonox::Identifier* id = ID("SpaceShip"); |
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| 341 | if(!id){ |
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| 342 | COUT(4) << "We could not create the SpaceShip for client: " << client->getID() << std::endl; |
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| 343 | return false; |
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| 344 | } |
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| 345 | orxonox::SpaceShip *no = dynamic_cast<orxonox::SpaceShip *>(id->fabricate()); |
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[1735] | 346 | no->classID = id->getNetworkID(); |
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| 347 | client->setShipID(no->objectID); |
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[1502] | 348 | no->setPosition(orxonox::Vector3(0,0,80)); |
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| 349 | no->setScale(10); |
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| 350 | //no->setYawPitchRoll(orxonox::Degree(-90),orxonox::Degree(-90),orxonox::Degree(0)); |
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| 351 | no->setMesh("assff.mesh"); |
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| 352 | no->setMaxSpeed(500); |
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| 353 | no->setMaxSideAndBackSpeed(50); |
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| 354 | no->setMaxRotation(1.0); |
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| 355 | no->setTransAcc(200); |
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| 356 | no->setRotAcc(3.0); |
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| 357 | no->setTransDamp(75); |
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| 358 | no->setRotDamp(1.0); |
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[1751] | 359 | no->setCamera(std::string("cam_") + convertToString(client->getID())); |
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[1502] | 360 | no->create(); |
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[1747] | 361 | |
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[1502] | 362 | return true; |
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| 363 | } |
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[1747] | 364 | |
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[1502] | 365 | bool Server::disconnectClient(ENetEvent *event){ |
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| 366 | COUT(4) << "removing client from list" << std::endl; |
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| 367 | //return removeClient(head_->findClient(&(peer->address))->getID()); |
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[1747] | 368 | |
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[1502] | 369 | //boost::recursive_mutex::scoped_lock lock(head_->mutex_); |
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[1747] | 370 | orxonox::ObjectList<orxonox::SpaceShip>::iterator it = orxonox::ObjectList<orxonox::SpaceShip>::begin(); |
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[1735] | 371 | ClientInformation *client = ClientInformation::findClient(&event->peer->address); |
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[1502] | 372 | if(!client) |
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| 373 | return false; |
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[1751] | 374 | gamestates_->removeClient(client); |
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[1502] | 375 | while(it){ |
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| 376 | if(it->objectID!=client->getShipID()){ |
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| 377 | ++it; |
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| 378 | continue; |
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| 379 | } |
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[1747] | 380 | orxonox::ObjectList<orxonox::SpaceShip>::iterator temp=it; |
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[1502] | 381 | ++it; |
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| 382 | delete *temp; |
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[1735] | 383 | return ClientInformation::removeClient(event->peer); |
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[1502] | 384 | } |
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| 385 | return false; |
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| 386 | } |
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| 387 | |
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| 388 | void Server::disconnectClient(int clientID){ |
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[1735] | 389 | ClientInformation *client = ClientInformation::findClient(clientID); |
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[1502] | 390 | if(client) |
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| 391 | disconnectClient(client); |
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| 392 | } |
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| 393 | void Server::disconnectClient( ClientInformation *client){ |
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| 394 | connection->disconnectClient(client); |
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[1735] | 395 | gamestates_->removeClient(client); |
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[1502] | 396 | } |
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[1747] | 397 | |
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[1502] | 398 | } |
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