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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
#include "StapParser.hxx"
#include <unistd.h>
#include <gtkmm/window.h>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <cstring>
#include <boost/algorithm/string.hpp>
#include <boost/range.hpp>
namespace systemtap
{
using namespace std;
using namespace std::tr1;
vector<string> commaSplit(const boost::sub_range<Glib::ustring>& range)
{
using namespace boost;
vector<string> result;
split(result, range, is_any_of(","));
return result;
}
void StapParser::parseData(shared_ptr<GraphDataBase> gdata,
double time, const string& dataString)
{
std::istringstream stream(dataString);
shared_ptr<GraphData<double> > dblptr;
shared_ptr<GraphData<string> > strptr;
dblptr = dynamic_pointer_cast<GraphData<double> >(gdata);
if (dblptr)
{
double data;
stream >> data;
dblptr->times.push_back(time);
dblptr->data.push_back(data);
}
else if ((strptr = dynamic_pointer_cast<GraphData<string> >(gdata))
!= 0)
{
strptr->times.push_back(time);
strptr->data.push_back(dataString);
}
}
bool findTaggedValue(const string& src, const char* tag, string& result)
{
using namespace boost;
sub_range<const string> found = find_first(src, tag);
if (found.empty())
return false;
result.insert(result.end(),found.end(), src.end());
return true;
}
bool StapParser::ioCallback(Glib::IOCondition ioCondition)
{
using namespace std;
using std::tr1::shared_ptr;
using namespace boost;
if (ioCondition & Glib::IO_HUP)
{
_win.hide();
return true;
}
if ((ioCondition & Glib::IO_IN) == 0)
return true;
char buf[256];
ssize_t bytes_read = 0;
bytes_read = read(STDIN_FILENO, buf, sizeof(buf) - 1);
if (bytes_read <= 0)
{
_win.hide();
return true;
}
buf[bytes_read] = '\0';
_buffer += buf;
string::size_type ret = string::npos;
while ((ret = _buffer.find('\n')) != string::npos)
{
Glib::ustring dataString(_buffer, 0, ret);
// %DataSet and %CSV declare a data set; all other statements begin with
// the name of a data set.
sub_range<Glib::ustring> found;
if (dataString[0] == '%')
{
if ((found = find_first(dataString, "%DataSet:")))
{
string setName;
int hexColor;
double scale;
string style;
istringstream stream(Glib::ustring(found.end(),
dataString.end()));
stream >> setName >> scale >> std::hex >> hexColor
>> style;
if (style == "bar" || style == "dot")
{
std::tr1::shared_ptr<GraphData<double> >
dataSet(new GraphData<double>);
if (style == "dot")
dataSet->style = GraphDataBase::DOT;
dataSet->color[0] = (hexColor >> 16) / 255.0;
dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
dataSet->color[2] = (hexColor & 0xff) / 255.0;
dataSet->scale = scale;
_dataSets.insert(std::make_pair(setName, dataSet));
_widget.addGraphData(dataSet);
}
else if (style == "discreet")
{
std::tr1::shared_ptr<GraphData<string> >
dataSet(new GraphData<string>);
dataSet->style = GraphDataBase::EVENT;
dataSet->color[0] = (hexColor >> 16) / 255.0;
dataSet->color[1] = ((hexColor >> 8) & 0xff) / 255.0;
dataSet->color[2] = (hexColor & 0xff) / 255.0;
dataSet->scale = scale;
_dataSets.insert(std::make_pair(setName, dataSet));
_widget.addGraphData(dataSet);
}
}
else if ((found = find_first(dataString, "%CSV:")))
{
vector<string> tokens
= commaSplit(sub_range<Glib::ustring>(found.end(),
dataString.end()));
for (vector<string>::iterator tokIter = tokens.begin(),
e = tokens.end();
tokIter != e;
++tokIter)
{
DataMap::iterator setIter = _dataSets.find(*tokIter);
if (setIter != _dataSets.end())
_csv.elements
.push_back(CSVData::Element(*tokIter,
setIter->second));
}
}
else
{
cerr << "Unknown declaration " << dataString << endl;
}
}
else
{
std::istringstream stream(dataString);
string setName;
stream >> setName;
DataMap::iterator itr = _dataSets.find(setName);
if (itr != _dataSets.end())
{
shared_ptr<GraphDataBase> gdata = itr->second;
string decl;
// Hack: scan from the beginning of dataString again
if (findTaggedValue(dataString, "%Title:", decl)
!= string::npos)
{
gdata->title = decl;
}
else if (findTaggedValue(dataString, "%XAxisTitle:", decl)
!= string::npos)
{
gdata->xAxisText = decl;
}
else if (findTaggedValue(dataString, "%YAxisTitle:", decl)
!= string::npos)
{
gdata->yAxisText = decl;
}
else if ((found = find_first(dataString, "%YMax:")))
{
double ymax;
std::istringstream
stream(Glib::ustring(found.end(), dataString.end()));
stream >> ymax;
gdata->scale = ymax;
}
if (!_csv.elements.empty())
{
vector<string> tokens = commaSplit(dataString);
int i = 0;
double time;
vector<string>::iterator tokIter = tokens.begin();
std::istringstream timeStream(*tokIter++);
timeStream >> time;
for (vector<string>::iterator e = tokens.end();
tokIter != e;
++tokIter, ++i)
{
parseData(_csv.elements[i].second, time, *tokIter);
}
}
else
{
double time;
string data;
stream >> time >> data;
parseData(itr->second, time, data);
}
}
}
_buffer.erase(0, ret + 1);
}
return true;
}
bool StapParser::errIoCallback(Glib::IOCondition ioCondition)
{
using namespace std;
if ((ioCondition & Glib::IO_IN) == 0)
return true;
char buf[256];
ssize_t bytes_read = 0;
bytes_read = read(_errFd, buf, sizeof(buf) - 1);
if (bytes_read <= 0)
{
_win.hide();
return true;
}
if (write(STDOUT_FILENO, buf, bytes_read) < 0)
;
return true;
}
}
|
