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source: orxonox.OLD/trunk/src/lib/network/data_stream.cc @ 6120

Last change on this file since 6120 was 5822, checked in by bensch, 19 years ago

orxonox/trunk: merged branches/network to the trunk
merged with command:
svn merge -r 5505:HEAD branches/network trunk

conflicts resolved in favor of the trunk (as always :))
also fixed a typo in the #include "SDL_tread.h"

File size: 2.8 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
21
22/* using namespace std is default, this needs to be here */
23using namespace std;
24
25
26
27/**
28 * This is the empty constructor
29 */
30DataStream::DataStream()
31{
32  this->setClassID(CL_DATA_STREAM, "DataStream");
33  this->upBuffer = new byte[DATA_STREAM_BUFFER_SIZE];
34  this->downBuffer = new byte[DATA_STREAM_BUFFER_SIZE];
35}
36
37/**
38 * This constructor creates a new DataStream and connects it to both streams (upStream, downStream)
39 */
40DataStream::DataStream(DataStream& inStream, DataStream& outStream)
41{
42    this->setClassID(CL_DATA_STREAM, "DataStream");
43    this->downStream = &outStream;
44    this->upStream = &inStream;
45
46    if( this->upBuffer)
47      delete[] this->upBuffer;
48    if( this->downBuffer)
49      delete[] this->downBuffer;
50}
51
52/**
53 *  standart deconstructor
54 */
55DataStream::~DataStream()
56{
57
58}
59
60
61/**
62 * This function connects this stream to another stream. The connected DataStream is an up-stream, meaning
63 * that the stream is "further away" from the NetworkSocket. The local reference upStream will be set to this
64 * Stream
65 */
66void DataStream::connectUpStream(DataStream& upStream)
67{
68
69}
70
71/**
72 * This function connects this stream to another stream. The connected DataStream is an down-stream, meaning
73 * that the stream is "closer" to the NetworkSocket.
74 */
75void DataStream::connectDownStream(DataStream& upStream)
76{
77
78}
79
80/**
81 * This function disconnects the upStream and sets it to NULL
82 */
83void DataStream::disconnectUpStream()
84{
85
86}
87
88/**
89 * This function disconnects the downStream and sets it to NULL
90 */
91void DataStream::disconnectDownStream()
92{
93
94}
95
96
97/**
98 * Following functions are protected and only visible inside the object and from derived classes
99 */
100
101/**
102 * This function writes the binary data to the local data. You will have to copy each byte and not only dublicate
103 * it.
104 *
105 * @param data: the binary array
106 * @param length: the length of the array
107 */
108void passDown(byte* data, int length)
109{
110
111}
112
113
114/**
115 * This function returns a reference to the local upData data array. So it can be read by an upper Stream
116 * The reading function will have to copy the whole data and musn't just reference it!
117 * This function is only called from other connected DataStreams to read the data.
118 *
119 * @param data: the binary array
120 * @return: the length of the data
121 */
122int passUp(byte* data)
123{
124
125}
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