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source: orxonox.OLD/trunk/src/lib/network/synchronizeable_var/synchronizeable_string.cc @ 8250

Last change on this file since 8250 was 8147, checked in by bensch, 19 years ago

orxonox/trunk: merged the network branche back here
merged with command:
svn merge -r8070:HEAD https://svn.orxonox.net/orxonox/branches/network .
no conflicts

File size: 2.4 KB
Line 
1/*
2   orxonox - the future of 3D-vertical-scrollers
3
4   Copyright (C) 2004 orx
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2, or (at your option)
9   any later version.
10
11   ### File Specific:
12   main-programmer: Christoph Renner
13   co-programmer: ...
14*/
15
16
17#include "synchronizeable_string.h"
18#include "converter.h"
19
20
21/**
22 * standard constructor
23 * @todo this constructor is not jet implemented - do it
24*/
25SynchronizeableString::SynchronizeableString( std::string * ptrIn, std::string * ptrOut, std::string name, int permission, int priority) : SynchronizeableVar( ptrIn, ptrOut, name, 0, permission, priority )
26{
27  this->vPtrIn = ptrIn;
28  this->vPtrOut = ptrOut;
29}
30
31
32/**
33 * standard deconstructor
34*/
35SynchronizeableString::~SynchronizeableString ()
36{
37}
38
39/**
40 * write var data to byte buffer
41 * @param buf pointer to write to
42 * @param maxLength writeToBuf will not write more than maxLength bytes
43 * @return number bytes written
44 */
45int SynchronizeableString::writeToBuf( byte * buf, int maxLength )
46{
47  int res = Converter::stringToByteArray( *vPtrIn, buf, maxLength );
48 
49  assert( res > 0 );
50  assert( res == vPtrIn->length()+INTSIZE );
51 
52  return res;
53}
54
55/**
56 * read var data from byte buffer
57 * @param buf pointer to read from
58 * @param maxLength readFromBuf will not read more than maxLength bytes
59 * @return number bytes read
60 */
61int SynchronizeableString::readFromBuf( byte * buf, int maxLength )
62{
63  std::string oldVal = *vPtrOut;
64     
65  int res = Converter::byteArrayToString( buf, *vPtrOut, maxLength );
66 
67  setHasChanged( oldVal != *vPtrOut );
68 
69  if ( res < 0 )
70  {
71    printf("%s | res (%d) < 0\n", this->getName().c_str(), res);
72  }
73  assert( res > 0 );
74 
75  return res;
76}
77
78/**
79 * print out variable value
80 */
81void SynchronizeableString::debug( )
82{
83  printf( "SYNCHRONIZEABLE_VAR: %s IN: '%s' OUT: '%s'\n", name.c_str(), vPtrIn->c_str(), vPtrOut->c_str() );
84}
85
86
87/**
88 * reads actual size from buffer. this is used when size is not constant
89 * @param buf pointer to data
90 * @param maxLength maximal size of data
91 * @return same as readFromBuf would return
92 */
93int SynchronizeableString::getSizeFromBuf( byte * buf, int maxLength )
94{
95  std::string t;
96 
97  int res = Converter::byteArrayToString( buf, t, maxLength );
98 
99  assert( res > 0 );
100 
101  return res;
102}
103
104
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