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Administrator
h2database
Commits
8c586588
提交
8c586588
authored
12月 17, 2009
作者:
Thomas Mueller
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浏览文件
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电子邮件补丁
差异文件
Simple built-in profiler
上级
e3840433
显示空白字符变更
内嵌
并排
正在显示
3 个修改的文件
包含
186 行增加
和
92 行删除
+186
-92
WebApp.java
h2/src/main/org/h2/server/web/WebApp.java
+30
-91
Profiler.java
h2/src/main/org/h2/util/Profiler.java
+155
-0
dictionary.txt
h2/src/tools/org/h2/build/doc/dictionary.txt
+1
-1
没有找到文件。
h2/src/main/org/h2/server/web/WebApp.java
浏览文件 @
8c586588
...
...
@@ -7,16 +7,10 @@
package
org
.
h2
.
server
.
web
;
import
java.io.ByteArrayOutputStream
;
import
java.io.DataInputStream
;
import
java.io.File
;
import
java.io.FileInputStream
;
import
java.io.FileWriter
;
import
java.io.PrintStream
;
import
java.io.PrintWriter
;
import
java.io.StringReader
;
import
java.io.StringWriter
;
import
java.lang.reflect.Method
;
import
java.security.SecureClassLoader
;
import
java.sql.Connection
;
import
java.sql.DatabaseMetaData
;
import
java.sql.ParameterMetaData
;
...
...
@@ -56,6 +50,7 @@ import org.h2.util.MathUtils;
import
org.h2.util.MemoryUtils
;
import
org.h2.util.New
;
import
org.h2.util.ObjectArray
;
import
org.h2.util.Profiler
;
import
org.h2.util.ScriptReader
;
import
org.h2.util.SortedProperties
;
import
org.h2.util.StatementBuilder
;
...
...
@@ -79,6 +74,8 @@ public class WebApp implements DatabaseEventListener {
protected
boolean
stop
;
protected
String
headerLanguage
;
protected
Profiler
profiler
;
WebApp
(
WebServer
server
)
{
this
.
server
=
server
;
}
...
...
@@ -794,9 +791,19 @@ public class WebApp implements DatabaseEventListener {
session
.
put
(
"user"
,
user
);
boolean
isH2
=
url
.
startsWith
(
"jdbc:h2:"
);
try
{
Profiler
profiler
=
new
Profiler
();
profiler
.
startCollecting
();
Connection
conn
=
server
.
getConnection
(
driver
,
url
,
user
,
password
,
this
);
JdbcUtils
.
closeSilently
(
conn
);
session
.
put
(
"error"
,
"${text.login.testSuccessful}"
);
profiler
.
stopCollecting
();
String
success
=
"<a class=\"error\" href=\"#\" onclick=\"var x=document.getElementById('prof').style;x.display=x.display==''?'none':'';\">"
+
"${text.login.testSuccessful}</a>"
+
"<span style=\"display: none;\" id=\"prof\"><br />"
+
PageParser
.
escapeHtml
(
profiler
.
getTop
(
1
))
+
"</span>"
;
session
.
put
(
"error"
,
success
);
// session.put("error", "${text.login.testSuccessful}");
return
"login.jsp"
;
}
catch
(
Exception
e
)
{
session
.
put
(
"error"
,
getLoginError
(
e
,
isH2
));
...
...
@@ -884,17 +891,7 @@ public class WebApp implements DatabaseEventListener {
try
{
Connection
conn
=
session
.
getConnection
();
String
result
;
if
(
sql
.
startsWith
(
"@JAVA"
))
{
if
(
server
.
getAllowScript
())
{
try
{
result
=
executeJava
(
sql
.
substring
(
"@JAVA"
.
length
()));
}
catch
(
Throwable
t
)
{
result
=
getStackTrace
(
0
,
t
,
false
);
}
}
else
{
result
=
"Executing Java code is not allowed, use command line parameter -webScript"
;
}
}
else
if
(
"@AUTOCOMMIT TRUE"
.
equals
(
sql
))
{
if
(
"@AUTOCOMMIT TRUE"
.
equals
(
sql
))
{
conn
.
setAutoCommit
(
true
);
result
=
"${text.result.autoCommitOn}"
;
}
else
if
(
"@AUTOCOMMIT FALSE"
.
equals
(
sql
))
{
...
...
@@ -942,79 +939,6 @@ public class WebApp implements DatabaseEventListener {
return
"result.jsp"
;
}
/**
* This class allows to load Java code dynamically.
*/
static
class
DynamicClassLoader
extends
SecureClassLoader
{
private
String
name
;
private
byte
[]
data
;
private
Class
<
?
>
clazz
;
DynamicClassLoader
(
String
name
,
byte
[]
data
)
{
super
(
DynamicClassLoader
.
class
.
getClassLoader
());
this
.
name
=
name
;
this
.
data
=
data
;
}
public
Class
<
?
>
loadClass
(
String
className
)
throws
ClassNotFoundException
{
return
findClass
(
className
);
}
public
Class
<
?
>
findClass
(
String
className
)
throws
ClassNotFoundException
{
if
(
className
.
equals
(
name
))
{
if
(
clazz
==
null
)
{
clazz
=
defineClass
(
className
,
data
,
0
,
data
.
length
);
}
return
clazz
;
}
try
{
return
findSystemClass
(
className
);
}
catch
(
Exception
e
)
{
// ignore
}
return
super
.
findClass
(
className
);
}
}
private
String
executeJava
(
String
code
)
throws
Exception
{
File
javaFile
=
new
File
(
"Java.java"
);
File
classFile
=
new
File
(
"Java.class"
);
try
{
PrintWriter
out
=
new
PrintWriter
(
new
FileWriter
(
javaFile
));
classFile
.
delete
();
int
endImport
=
code
.
indexOf
(
"@CODE"
);
String
importCode
=
"import java.util.*; import java.math.*; import java.sql.*;"
;
if
(
endImport
>=
0
)
{
importCode
=
code
.
substring
(
0
,
endImport
);
code
=
code
.
substring
(
"@CODE"
.
length
()
+
endImport
);
}
out
.
println
(
importCode
);
out
.
println
(
"public class Java { public static Object run() throws Throwable {"
+
code
+
"}}"
);
out
.
close
();
Class
<
?
>
javacClass
=
Class
.
forName
(
"com.sun.tools.javac.Main"
);
Method
compile
=
javacClass
.
getMethod
(
"compile"
,
String
[].
class
);
Object
javac
=
javacClass
.
newInstance
();
compile
.
invoke
(
javac
,
new
Object
[]
{
new
String
[]{
"Java.java"
}});
byte
[]
data
=
new
byte
[(
int
)
classFile
.
length
()];
DataInputStream
in
=
new
DataInputStream
(
new
FileInputStream
(
classFile
));
in
.
readFully
(
data
);
in
.
close
();
DynamicClassLoader
cl
=
new
DynamicClassLoader
(
"Java"
,
data
);
Class
<
?
>
clazz
=
cl
.
loadClass
(
"Java"
);
Method
[]
methods
=
clazz
.
getMethods
();
for
(
Method
m
:
methods
)
{
if
(
m
.
getName
().
equals
(
"run"
))
{
return
""
+
m
.
invoke
(
null
);
}
}
return
null
;
}
finally
{
javaFile
.
delete
();
classFile
.
delete
();
}
}
private
String
editResult
()
{
ResultSet
rs
=
session
.
result
;
int
row
=
Integer
.
parseInt
(
attributes
.
getProperty
(
"row"
));
...
...
@@ -1255,6 +1179,21 @@ public class WebApp implements DatabaseEventListener {
String
[]
p
=
split
(
sql
);
return
meta
.
getAttributes
(
p
[
1
],
p
[
2
],
p
[
3
],
p
[
4
]);
//## Java 1.4 end ##
}
else
if
(
sql
.
startsWith
(
"@PROF_START"
))
{
if
(
profiler
!=
null
)
{
profiler
.
stopCollecting
();
}
profiler
=
new
Profiler
();
profiler
.
startCollecting
();
}
else
if
(
sql
.
startsWith
(
"@PROF_STOP"
))
{
if
(
profiler
!=
null
)
{
profiler
.
stopCollecting
();
SimpleResultSet
rs
=
new
SimpleResultSet
();
rs
.
addColumn
(
"Top Stack Trace(s)"
,
Types
.
VARCHAR
,
0
,
0
);
rs
.
addRow
(
profiler
.
getTop
(
1
));
profiler
=
null
;
return
rs
;
}
}
return
null
;
}
...
...
h2/src/main/org/h2/util/Profiler.java
0 → 100644
浏览文件 @
8c586588
/*
* Copyright 2004-2009 H2 Group. Multiple-Licensed under the H2 License,
* Version 1.0, and under the Eclipse Public License, Version 1.0
* (http://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package
org
.
h2
.
util
;
import
java.util.Arrays
;
import
java.util.Comparator
;
import
java.util.HashMap
;
import
java.util.Iterator
;
import
java.util.Map
;
import
org.h2.engine.Constants
;
/**
* A simple CPU profiling tool similar to java -Xrunhprof.
*/
public
class
Profiler
implements
Runnable
{
private
static
final
int
MAX_ELEMENTS
=
1000
;
private
int
interval
=
10
;
private
int
depth
=
16
;
private
String
[]
ignoreLines
=
StringUtils
.
arraySplit
(
""
,
','
,
true
);
private
String
[]
ignoreThreads
=
StringUtils
.
arraySplit
(
"java.net.,java.lang.Thread."
,
','
,
true
);
private
volatile
boolean
stop
;
private
HashMap
<
String
,
Integer
>
counts
=
new
HashMap
<
String
,
Integer
>();
private
int
minCount
=
1
;
private
int
total
;
private
Thread
thread
;
/**
* Start collecting profiling data.
*/
public
void
startCollecting
()
{
thread
=
new
Thread
(
this
);
thread
.
setName
(
"Profiler"
);
thread
.
setDaemon
(
true
);
thread
.
start
();
}
/**
* Stop collecting.
*/
public
void
stopCollecting
()
{
stop
=
true
;
}
public
void
run
()
{
while
(!
stop
)
{
if
(
interval
>
0
)
{
try
{
Thread
.
sleep
(
interval
);
}
catch
(
Exception
e
)
{
// ignore
}
}
Map
<
Thread
,
StackTraceElement
[]>
map
=
Thread
.
getAllStackTraces
();
for
(
Map
.
Entry
<
Thread
,
StackTraceElement
[]>
entry
:
map
.
entrySet
())
{
Thread
t
=
entry
.
getKey
();
if
(
t
.
getState
()
!=
Thread
.
State
.
RUNNABLE
)
{
continue
;
}
StackTraceElement
[]
dump
=
entry
.
getValue
();
if
(
dump
.
length
==
0
)
{
continue
;
}
boolean
ignoreThis
=
false
;
for
(
String
ig
:
ignoreThreads
)
{
if
(
ig
.
length
()
>
0
&&
dump
[
0
].
toString
().
startsWith
(
ig
))
{
ignoreThis
=
true
;
break
;
}
}
if
(
ignoreThis
)
{
continue
;
}
StringBuilder
buff
=
new
StringBuilder
();
// simple recursive calls are ignored
String
last
=
null
;
for
(
int
j
=
0
,
i
=
0
;
i
<
dump
.
length
&&
j
<
depth
;
i
++)
{
String
el
=
dump
[
i
].
toString
();
ignoreThis
=
false
;
for
(
String
ig
:
ignoreLines
)
{
if
(
ig
.
length
()
>
0
&&
el
.
startsWith
(
ig
))
{
ignoreThis
=
true
;
break
;
}
}
if
(!
ignoreThis
&&
!
el
.
equals
(
last
))
{
last
=
el
;
buff
.
append
(
"at "
).
append
(
el
).
append
(
'\n'
);
j
++;
}
}
if
(
buff
.
length
()
>
0
)
{
increment
(
buff
.
toString
());
}
}
}
}
private
void
increment
(
String
trace
)
{
total
++;
Integer
oldCount
=
counts
.
get
(
trace
);
if
(
oldCount
==
null
)
{
counts
.
put
(
trace
,
1
);
}
else
{
counts
.
put
(
trace
,
oldCount
+
1
);
}
if
(
counts
.
size
()
>
MAX_ELEMENTS
)
{
for
(
Iterator
<
Map
.
Entry
<
String
,
Integer
>>
ei
=
counts
.
entrySet
().
iterator
();
ei
.
hasNext
();)
{
Map
.
Entry
<
String
,
Integer
>
e
=
ei
.
next
();
if
(
e
.
getValue
()
<=
minCount
)
{
ei
.
remove
();
}
}
if
(
counts
.
size
()
>
MAX_ELEMENTS
)
{
minCount
++;
}
}
}
/**
* Get the top stack traces.
*
* @param max the maximum number of results
* @return the stack traces.
*/
public
String
getTop
(
int
max
)
{
StringBuilder
buff
=
new
StringBuilder
();
buff
.
append
(
"Profiler: top stack trace(s) [build-"
).
append
(
Constants
.
BUILD_ID
).
append
(
"]\n"
);
@SuppressWarnings
(
"unchecked"
)
Map
.
Entry
<
String
,
Integer
>[]
array
=
new
Map
.
Entry
[
counts
.
size
()];
counts
.
entrySet
().
toArray
(
array
);
Arrays
.
sort
(
array
,
new
Comparator
<
Map
.
Entry
<
String
,
Integer
>>()
{
public
int
compare
(
Map
.
Entry
<
String
,
Integer
>
a
,
Map
.
Entry
<
String
,
Integer
>
b
)
{
return
b
.
getValue
()
-
a
.
getValue
();
}
});
int
x
=
0
,
min
=
0
;
for
(
Map
.
Entry
<
String
,
Integer
>
el
:
array
)
{
if
(++
x
>=
max
)
{
if
(
el
.
getValue
()
<
min
)
{
break
;
}
min
=
el
.
getValue
();
}
buff
.
append
(
el
.
getValue
()).
append
(
'/'
).
append
(
total
).
append
(
'\n'
).
append
(
el
.
getKey
());
}
return
buff
.
toString
();
}
}
h2/src/tools/org/h2/build/doc/dictionary.txt
浏览文件 @
8c586588
...
...
@@ -624,4 +624,4 @@ selector descendant isdescendantnode issamenode ischildnode localname
weakreference ancestor junctions wake fills rail sleeps turns grammars straight
answers attachments emails clipboard prioritize tips urgently standby
checklists serves gbif biodiversity wakes taxon ratio ended ipt auckland
galapagos pacific pastebin mystic posting mysticpaste
galapagos pacific pastebin mystic posting mysticpaste
reject prof
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