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source: code/branches/weapons/src/libraries/network/packet/FunctionIDs.cc @ 8733

Last change on this file since 8733 was 7801, checked in by dafrick, 14 years ago

Merging presentation2 branch back to trunk.

  • Property svn:eol-style set to native
File size: 4.5 KB
Line 
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
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "FunctionIDs.h"
30
31#include <cassert>
32#include <cstring>
33#include <queue>
34#include <string>
35
36#include "util/Debug.h"
37#include "core/ObjectList.h"
38#include "network/NetworkFunction.h"
39
40namespace orxonox {
41namespace packet {
42
43
44#define PACKET_FLAGS_FUNCTIONIDS  PacketFlag::Reliable
45#define _PACKETID                 0
46
47
48FunctionIDs::FunctionIDs( ) : Packet()
49{
50  unsigned int nrOfFunctions=0;
51  unsigned int packetSize=2*sizeof(uint32_t); //space for the packetID and for the nroffunctions
52  uint32_t networkID;
53  flags_ = flags_ | PACKET_FLAGS_FUNCTIONIDS;
54  std::queue<std::pair<uint32_t, std::string> > tempQueue;
55
56  //calculate total needed size (for all strings and integers)
57  ObjectList<NetworkFunctionBase>::iterator it;
58  for(it = ObjectList<NetworkFunctionBase>::begin(); it; ++it)
59  {
60    const std::string& functionname = it->getName();
61    networkID = it->getNetworkID();
62    // now push the network id and the classname to the stack
63    tempQueue.push( std::pair<unsigned int, std::string>(networkID, functionname) );
64    ++nrOfFunctions;
65    packetSize += (functionname.size()+1)+sizeof(uint32_t)+sizeof(uint32_t); // reserver size for the functionname string, the functionname length and the networkID
66  }
67
68  this->data_=new uint8_t[ packetSize ];
69  //set the appropriate packet id
70  assert(this->data_);
71  *(Type::Value *)(this->data_ + _PACKETID ) = Type::FunctionIDs;
72
73  uint8_t *temp=data_+sizeof(uint32_t);
74  // save the number of all classes
75  *(uint32_t*)temp = nrOfFunctions;
76  temp += sizeof(uint32_t);
77
78  // now save all classids and classnames
79  std::pair<uint32_t, std::string> tempPair;
80  while( !tempQueue.empty() )
81  {
82    tempPair = tempQueue.front();
83    tempQueue.pop();
84    *(uint32_t*)temp = tempPair.first;
85    *(uint32_t*)(temp+sizeof(uint32_t)) = tempPair.second.size()+1;
86    memcpy(temp+2*sizeof(uint32_t), tempPair.second.c_str(), tempPair.second.size()+1);
87    temp+=2*sizeof(uint32_t)+tempPair.second.size()+1;
88  }
89
90  COUT(5) << "FunctionIDs packetSize is " << packetSize << endl;
91
92}
93
94FunctionIDs::FunctionIDs( uint8_t* data, unsigned int clientID )
95  : Packet(data, clientID)
96{
97}
98
99FunctionIDs::~FunctionIDs()
100{
101}
102
103uint32_t FunctionIDs::getSize() const
104{
105  assert(this->data_);
106  uint8_t *temp = data_+sizeof(uint32_t); // packet identification
107  uint32_t totalsize = sizeof(uint32_t); // data size
108  uint32_t nrOfFunctions = *(uint32_t*)temp;
109  temp += sizeof(uint32_t);
110  totalsize += sizeof(uint32_t); // storage size for nr of all classes
111
112  for(unsigned int i=0; i<nrOfFunctions; i++){
113    totalsize += 2*sizeof(uint32_t) + *(uint32_t*)(temp + sizeof(uint32_t)); // for each network function add size for id, sizeof(string) and length of string itself to totalsize
114    temp += 2*sizeof(uint32_t) + *(uint32_t*)(temp + sizeof(uint32_t));
115  }
116  return totalsize;
117}
118
119
120bool FunctionIDs::process(orxonox::Host* host)
121{
122  int nrOfFunctions;
123  uint8_t *temp = data_+sizeof(uint32_t); //skip the packetid
124  uint32_t networkID;
125  uint32_t stringsize;
126  unsigned char *functionname;
127
128  COUT(4) << "=== processing functionids: " << endl;
129  std::pair<uint32_t, std::string> tempPair;
130  // read the total number of classes
131  nrOfFunctions = *(uint32_t*)temp;
132  temp += sizeof(uint32_t);
133
134  for( int i=0; i<nrOfFunctions; i++)
135  {
136    networkID = *(uint32_t*)temp;
137    stringsize = *(uint32_t*)(temp+sizeof(uint32_t));
138    functionname = temp+2*sizeof(uint32_t);
139    COUT(3) << "processing functionid: " << networkID << " name: " << functionname << std::endl;
140    NetworkFunctionBase::setNetworkID((const char*)functionname, networkID);
141    temp += 2*sizeof(uint32_t) + stringsize;
142  }
143  delete this;
144  return true;
145}
146
147
148} //namespace packet
149}//namespace orxonox
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