1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
/**
* @file llpipeutil.h
* @date 2006-05-18
* @brief Utility pipe fittings for injecting and extracting strings
*
* $LicenseInfo:firstyear=2006&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLPIPEUTIL_H
#define LL_LLPIPEUTIL_H
#include "lliopipe.h"
/**
* @brief Simple function which pumps for the specified time.
*/
F32 pump_loop(LLPumpIO* pump, F32 seconds);
/**
* @brief Simple class which writes a string and then marks the stream
* as done.
*/
class LLPipeStringInjector : public LLIOPipe
{
public:
LLPipeStringInjector(const std::string& string)
: mString(string)
{ }
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
std::string mString;
};
class LLPipeStringExtractor : public LLIOPipe
{
public:
LLPipeStringExtractor() : mDone(false) { }
bool done() { return mDone; }
std::string string() { return mString; }
protected:
// LLIOPipe API implementation.
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
LLIOPipe::buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
bool mDone;
std::string mString;
};
/**
* @brief Generate a specified number of bytes of random data
*/
class LLIOFuzz : public LLIOPipe
{
public:
LLIOFuzz(int byte_count) : mByteCount(byte_count) {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
int mByteCount;
};
/**
* @brief Generate some ascii fuz
*/
class LLIOASCIIFuzz : public LLIOPipe
{
public:
LLIOASCIIFuzz(int byte_count) : mByteCount(byte_count) {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
int mByteCount;
};
/**
* @brief Pipe that does nothing except return STATUS_OK
*/
class LLIONull : public LLIOPipe
{
public:
LLIONull() {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
};
/**
* @brief Pipe that sleeps, and then responds later.
*/
class LLIOSleeper : public LLIOPipe
{
public:
LLIOSleeper() : mRespond(false) {}
protected:
virtual EStatus process_impl(
const LLChannelDescriptors& channels,
buffer_ptr_t& buffer,
bool& eos,
LLSD& context,
LLPumpIO* pump);
private:
bool mRespond;
};
#endif // LL_LLPIPEUTIL_H
|
