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source: code/trunk/src/libraries/network/packet/Acknowledgement.cc

Last change on this file was 12027, checked in by merholzl, 6 years ago

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1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Oliver Scheuss, (C) 2008
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "Acknowledgement.h"
30
31#include "util/Output.h"
32#include "network/GamestateHandler.h"
33#include "network/Host.h"
34
35namespace orxonox {
36namespace packet {
37
38#define PACKET_FLAGS_ACK    0
39// Offset to start of packet ID
40#define _PACKETID           0
41// Offset to start of ACK ID
42#define _ACKID              _PACKETID + sizeof(packet::Type)
43
44/**
45 * Constructor
46 * Acknowledgement.data_ is 40 bits in size:
47 * [0, 7]:   Packet Type
48 * [8, 39]:  Acknowledgement ID
49 */
50Acknowledgement::Acknowledgement( unsigned int id, unsigned int peerID )
51 : Packet()
52{
53  this->flags_ |= PACKET_FLAGS_ACK;
54  this->data_ = new uint8_t[ this->getSize() ];
55  *(Type *)(this->data_ + _PACKETID) = Type::Acknowledgement;
56  *(uint32_t *)(this->data_ + _ACKID) = id;
57  this->peerID_ = peerID;
58}
59
60Acknowledgement::Acknowledgement( uint8_t *data, unsigned int peerID )
61  : Packet(data, peerID)
62{
63}
64
65Acknowledgement::~Acknowledgement()
66{
67}
68
69unsigned int Acknowledgement::getSize() const {
70  return _ACKID + sizeof(uint32_t);
71}
72
73bool Acknowledgement::process(orxonox::Host* host) {
74  orxout(verbose_more, context::packets) << "processing ACK with ID: " << getAckID() << endl;
75  bool b = host->ackGamestate(getAckID(), peerID_);
76  delete this;
77  return b;
78}
79
80unsigned int Acknowledgement::getAckID() {
81  return *(uint32_t *)(data_ + _ACKID);
82}
83
84} //namespace packet
85} //namespace orxonox
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