| 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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| 29 | #include "Acknowledgement.h" |
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| 30 | |
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| 31 | #include "util/Output.h" |
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| 32 | #include "network/GamestateHandler.h" |
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| 33 | #include "network/Host.h" |
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| 34 | |
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| 35 | namespace orxonox { |
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| 36 | namespace packet { |
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| 37 | |
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| 38 | #define PACKET_FLAGS_ACK 0 |
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| 39 | // Offset to start of packet ID |
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| 40 | #define _PACKETID 0 |
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| 41 | // Offset to start of ACK ID |
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| 42 | #define _ACKID _PACKETID + sizeof(packet::Type) |
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| 43 | |
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| 44 | /** |
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| 45 | * Constructor |
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| 46 | * Acknowledgement.data_ is 40 bits in size: |
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| 47 | * [0, 7]: Packet Type |
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| 48 | * [8, 39]: Acknowledgement ID |
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| 49 | */ |
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| 50 | Acknowledgement::Acknowledgement( unsigned int id, unsigned int peerID ) |
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| 51 | : Packet() |
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| 52 | { |
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| 53 | this->flags_ |= PACKET_FLAGS_ACK; |
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| 54 | this->data_ = new uint8_t[ this->getSize() ]; |
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| 55 | *(Type *)(this->data_ + _PACKETID) = Type::Acknowledgement; |
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| 56 | *(uint32_t *)(this->data_ + _ACKID) = id; |
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| 57 | this->peerID_ = peerID; |
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| 58 | } |
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| 59 | |
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| 60 | Acknowledgement::Acknowledgement( uint8_t *data, unsigned int peerID ) |
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| 61 | : Packet(data, peerID) |
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| 62 | { |
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| 63 | } |
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| 64 | |
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| 65 | Acknowledgement::~Acknowledgement() |
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| 66 | { |
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| 67 | } |
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| 68 | |
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| 69 | unsigned int Acknowledgement::getSize() const { |
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| 70 | return _ACKID + sizeof(uint32_t); |
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| 71 | } |
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| 72 | |
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| 73 | bool Acknowledgement::process(orxonox::Host* host) { |
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| 74 | orxout(verbose_more, context::packets) << "processing ACK with ID: " << getAckID() << endl; |
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| 75 | bool b = host->ackGamestate(getAckID(), peerID_); |
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| 76 | delete this; |
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| 77 | return b; |
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| 78 | } |
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| 79 | |
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| 80 | unsigned int Acknowledgement::getAckID() { |
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| 81 | return *(uint32_t *)(data_ + _ACKID); |
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| 82 | } |
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| 83 | |
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| 84 | } //namespace packet |
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| 85 | } //namespace orxonox |
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