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source: orxonox.OLD/branches/terrain.old/src/lib/network/data_stream.cc @ 9395

Last change on this file since 9395 was 8623, checked in by bensch, 18 years ago

orxonox/trunk: merged the network branche back here
merged with command:
svn merge -r8230:HEAD https://svn.orxonox.net/orxonox/branches/network .
conflicts resolved in favour of the network branche (conflicts were in network)

File size: 2.9 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: Benjamin Knecht
13   co-programmer: ...
14*/
15
16/* include Data_stream Header */
17#include "data_stream.h"
18
19
20/* using namespace std is default, this needs to be here */
21using namespace std;
22
23
24
25/**
26 * This is the empty constructor
27 */
28DataStream::DataStream()
29{
30  this->setClassID(CL_DATA_STREAM, "DataStream");
31  this->upBuffer = new byte[DATA_STREAM_BUFFER_SIZE];
32  this->downBuffer = new byte[DATA_STREAM_BUFFER_SIZE];
33}
34
35/**
36 * This constructor creates a new DataStream and connects it to both streams (upStream, downStream)
37 */
38DataStream::DataStream(DataStream& inStream, DataStream& outStream)
39{
40    this->setClassID(CL_DATA_STREAM, "DataStream");
41    this->downStream = &outStream;
42    this->upStream = &inStream;
43
44    if( this->upBuffer)
45      delete[] this->upBuffer;
46    if( this->downBuffer)
47      delete[] this->downBuffer;
48}
49
50/**
51 *  standart deconstructor
52 */
53DataStream::~DataStream()
54{
55  delete [] this->upBuffer;
56  this->upBuffer = NULL;
57  delete [] this->downBuffer;
58  this->downBuffer = NULL;
59}
60
61
62/**
63 * This function connects this stream to another stream. The connected DataStream is an up-stream, meaning
64 * that the stream is "further away" from the NetworkSocket. The local reference upStream will be set to this
65 * Stream
66 */
67void DataStream::connectUpStream(DataStream& upStream)
68{
69
70}
71
72/**
73 * This function connects this stream to another stream. The connected DataStream is an down-stream, meaning
74 * that the stream is "closer" to the NetworkSocket.
75 */
76void DataStream::connectDownStream(DataStream& upStream)
77{
78
79}
80
81/**
82 * This function disconnects the upStream and sets it to NULL
83 */
84void DataStream::disconnectUpStream()
85{
86
87}
88
89/**
90 * This function disconnects the downStream and sets it to NULL
91 */
92void DataStream::disconnectDownStream()
93{
94
95}
96
97
98/**
99 * Following functions are protected and only visible inside the object and from derived classes
100 */
101
102/**
103 * This function writes the binary data to the local data. You will have to copy each byte and not only dublicate
104 * it.
105 *
106 * @param data: the binary array
107 * @param length: the length of the array
108 */
109void passDown(byte* data, int length)
110{
111
112}
113
114
115/**
116 * This function returns a reference to the local upData data array. So it can be read by an upper Stream
117 * The reading function will have to copy the whole data and musn't just reference it!
118 * This function is only called from other connected DataStreams to read the data.
119 *
120 * @param data: the binary array
121 * @return: the length of the data
122 */
123int passUp(byte* data)
124{
125  return 0;
126}
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