/
SQLConnectionTracer.java
70 lines (60 loc) · 2.57 KB
/
SQLConnectionTracer.java
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
/*******************************************************************************
* (C) Copyright 2016 Jérôme Comte and Dorian Cransac
*
* This file is part of djigger
*
* djigger is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* djigger 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with djigger. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
package io.djigger.monitoring.java.instrumentation.subscription;
import io.djigger.monitoring.java.instrumentation.InstrumentSubscription;
import io.djigger.monitoring.java.instrumentation.TransformingSubscription;
import javassist.*;
import java.sql.Connection;
public class SQLConnectionTracer extends InstrumentSubscription implements TransformingSubscription {
private static final long serialVersionUID = 1170484117770802108L;
public SQLConnectionTracer() {
super(false);
}
public SQLConnectionTracer(boolean tagEvent) {
super(tagEvent);
}
@Override
public boolean isRelatedToClass(CtClass classname) {
try {
CtClass connectionClass = ClassPool.getDefault().getCtClass("java.sql.Connection");
return classname.subtypeOf(connectionClass);
} catch (NotFoundException e) {
e.printStackTrace();
}
return false;
}
@Override
public boolean retransformClass(Class<?> class_) {
return Connection.class.isAssignableFrom(class_);
}
@Override
public boolean isRelatedToMethod(CtMethod methodname) {
return true;
}
@Override
public void transform(CtClass clazz, CtMethod method) throws CannotCompileException {
if (!method.isEmpty()) {
if (method.getName().equals("prepareStatement") || method.getName().equals("prepareCall")) {
TimeMeasureTransformer.transform(clazz, method, this, false);
method.insertAfter("io.djigger.agent.InstrumentationEventCollector.attachData($_, new io.djigger.monitoring.java.instrumentation.StringInstrumentationEventData($1));");
}
}
}
}