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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (C) 2018, 2020 embedded brains GmbH (http://www.embedded-brains.de)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
#define RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
#include <rtems/recordclient.h>
#include <rtems/recorddata.h>
#include <sys/types.h>
#include <cerrno>
#include <csignal>
#include <cstring>
#include <iostream>
#include <list>
#include <map>
#include <stdexcept>
#include <string>
#include <utility>
#include <vector>
#ifdef HAVE_ZLIB_H
#include <zlib.h>
#endif
class ErrnoException : public std::runtime_error {
public:
ErrnoException(std::string msg)
: std::runtime_error(msg + ": " + std::strerror(errno)) {
// Nothing to do
}
};
class FileDescriptor {
public:
FileDescriptor() = default;
FileDescriptor(const FileDescriptor&) = delete;
FileDescriptor& operator=(const FileDescriptor&) = delete;
void Open(const char* file);
void Connect(const char* host, uint16_t port);
ssize_t Read(void* buf, size_t n) { return (*reader_)(fd_, buf, n); }
void Destroy();
private:
int fd_ = -1;
ssize_t (*reader_)(int fd, void* buf, size_t n) = nullptr;
};
class ConfigFile {
public:
static const std::string kNoError;
ConfigFile() = default;
ConfigFile(const ConfigFile&) = delete;
ConfigFile& operator=(const ConfigFile&) = delete;
typedef std::string (*Parser)(void* arg, const char* name, const char* value);
void AddParser(const char* section, Parser parser, void* arg);
void Parse(const char* file);
private:
std::map<std::string, std::pair<Parser, void*> > parser_;
std::string error_;
static int INIHandler(void* user,
const char* section,
const char* name,
const char* value);
};
class Filter {
public:
Filter() = default;
Filter(const Filter&) = default;
Filter& operator=(const Filter&) = default;
virtual ~Filter() = default;
virtual bool Run(void** buf, size_t* n) = 0;
};
class Base64Filter : public Filter {
public:
Base64Filter() = default;
Base64Filter(const Base64Filter&) = default;
Base64Filter& operator=(const Base64Filter&) = default;
virtual ~Base64Filter() = default;
virtual bool Run(void** buf, size_t* n);
private:
int digits_ = 0;
bool seen_end_ = false;
int val_[4];
bool DecodeChar(int c, char **target);
};
#ifdef HAVE_ZLIB_H
class ZlibFilter : public Filter {
public:
ZlibFilter();
ZlibFilter(const ZlibFilter&) = default;
ZlibFilter& operator=(const ZlibFilter&) = default;
virtual ~ZlibFilter();
virtual bool Run(void** buf, size_t* n);
private:
z_stream stream_;
std::vector<Bytef> buffer_;
};
#endif
class Client {
public:
Client() = default;
Client(const Client&) = delete;
Client& operator=(const Client&) = delete;
void Open(const char* file) { input_.Open(file); }
void Connect(const char* host, uint16_t port) { input_.Connect(host, port); }
void Run();
void RequestStop() { stop_ = 1; }
void AddFilter(Filter* filter) { filters_.push_back(filter); }
void Destroy();
void set_limit(uint64_t limit) { limit_ = limit; }
protected:
void Initialize(rtems_record_client_handler handler) {
rtems_record_client_init(&base_, handler, this);
}
size_t data_size() const { return base_.data_size; };
private:
rtems_record_client_context base_;
std::list<Filter*> filters_;
FileDescriptor input_;
sig_atomic_t stop_ = 0;
uint64_t limit_ = 0;
void Flush();
};
#endif // RTEMS_TOOLS_TRACE_RECORD_CLIENT_H_
|
